/* ============================================================
   Brainy Neurals — Case Studies Hub
   Stylesheet for BrainyNeurals_CaseStudiesHub_v1.html
   ============================================================ */

/* §0  TOKENS */
:root {
  --ink: #0A0A0B; --ink-2: #1A1A1D; --ink-3: #2A2A2E;
  --paper: #FFFFFF; --paper-2: #F4F4F2; --paper-3: #E8E8E4; --bone: #FAFAF8;
  --line: rgba(10,10,11,0.14); --line-soft: rgba(10,10,11,0.08); --line-dark: rgba(244,239,230,0.14);
  --muted: rgba(10,10,11,0.58); --muted-dark: rgba(244,239,230,0.62);
  --blue: #0655FF; --blue-2: #0444CC; --blue-tint: #DCE5FF; --blue-deep: #03257A;
  --signal: #B5FF3C; --rust: #C2410C;
  --r-sm: 4px; --r: 8px; --r-lg: 14px; --r-xl: 22px;
  --container: 1320px; --gutter: 32px;
  --t1: cubic-bezier(.2,.7,.2,1); --t2: cubic-bezier(.7,0,.3,1);
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-serif: "IBM Plex Serif", "Times New Roman", serif;
}

/* §0.1 BASE */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-sans); font-size: 17px; line-height: 1.5;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; padding: 0; }
::selection { background: var(--ink); color: var(--paper); }
.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--ink); color: var(--paper);
  padding: 10px 14px; border-radius: var(--r); z-index: 9999;
  font-family: var(--font-mono); font-size: 13px;
}
.skip:focus { left: 16px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 3px; }

/* §0.2 LAYOUT PRIMITIVES */
.wrap { max-width: var(--container); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.section { padding: 120px 0; position: relative; }
.section--tight { padding: 80px 0; }
.section--dark { background: var(--ink); color: var(--bone); }
.section--ink-band { background: var(--ink); color: var(--bone); position: relative; overflow: hidden; }
.section--ink-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, black, transparent 75%);
  -webkit-mask-image: linear-gradient(180deg, black, transparent 75%);
  opacity: 0.5;
}
.section--ink-band > .wrap { position: relative; z-index: 1; }
.hr { height: 1px; background: var(--line); border: 0; margin: 0; }
.section--dark .hr { background: var(--line-dark); }

/* §0.3 TYPE */
.h-display {
  font-weight: 500; font-size: clamp(40px, 6.4vw, 88px);
  line-height: 0.96; letter-spacing: -0.035em; margin: 0; text-wrap: balance;
}
.h-display em { font-style: italic; font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.02em; }
.h-section {
  font-weight: 500; font-size: clamp(34px, 4.4vw, 60px);
  line-height: 1.02; letter-spacing: -0.03em; margin: 0 0 24px; text-wrap: balance;
}
.h-section em { font-style: italic; font-family: var(--font-serif); font-weight: 400; }
.h-card { font-weight: 500; font-size: 22px; line-height: 1.25; letter-spacing: -0.015em; margin: 0 0 10px; }
.h-card em { font-style: italic; font-family: var(--font-serif); font-weight: 400; }
.lede {
  font-size: clamp(18px, 1.4vw, 22px); line-height: 1.45;
  max-width: 820px; margin: 0 0 36px; text-wrap: pretty;
}
p { margin: 0 0 16px; }
.muted { color: var(--muted); }
.section--dark .muted { color: var(--muted-dark); }
.mono { font-family: var(--font-mono); font-feature-settings: "tnum"; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 22px;
}
.eyebrow .dot { width: 7px; height: 7px; background: var(--blue); display: inline-block; }
.section--dark .eyebrow { color: var(--muted-dark); }
.section--dark .eyebrow .dot { background: var(--signal); }

/* §0.4 BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 48px; padding: 0 22px; border-radius: 999px;
  font-size: 15px; font-weight: 500; letter-spacing: -0.005em;
  white-space: nowrap; min-height: 44px; border: 1px solid transparent;
  transition: background .2s var(--t1), color .2s var(--t1), border-color .2s var(--t1), transform .2s var(--t1);
}
.btn .arr { transition: transform .25s var(--t1); display: inline-block; }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-2); }
.btn-ink { background: var(--ink); color: var(--bone); }
.btn-ink:hover { background: var(--ink-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.section--dark .btn-ghost, .on-blue .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.32); }
.section--dark .btn-ghost:hover, .on-blue .btn-ghost:hover { border-color: #fff; }
.btn-text {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 500; color: var(--ink);
  border-bottom: 1px solid transparent; padding-bottom: 2px;
}
.btn-text:hover { border-color: var(--ink); }
.on-blue .btn-primary { background: #fff; color: var(--blue); }
.on-blue .btn-primary:hover { background: var(--ink); color: #fff; }

/* §0.5 NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.78);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 34px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  font-size: 14.5px; color: var(--ink);
  padding: 8px 12px; border-radius: 8px;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .15s var(--t1);
}
.nav-link:hover, .nav-link.is-current { background: rgba(10,10,11,0.06); }
.nav-link .caret { font-size: 10px; opacity: .5; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-mono {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  display: flex; align-items: center; gap: 6px;
}
.nav-mono .pulse {
  width: 6px; height: 6px; border-radius: 50%; background: #16A34A;
  box-shadow: 0 0 0 0 rgba(22,163,74,.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(22,163,74,.5); }
  70%  { box-shadow: 0 0 0 8px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}
@media (max-width: 980px) { .nav-links, .nav-mono { display: none; } }

/* §1 BREADCRUMB */
.breadcrumb { padding: 24px 0 0; }
.breadcrumb ol {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: var(--muted);
}
.breadcrumb a {
  color: var(--muted);
  border-bottom: 1px solid transparent; padding-bottom: 1px;
  transition: color .15s var(--t1), border-color .15s var(--t1);
}
.breadcrumb a:hover { color: var(--ink); border-color: var(--ink); }
.breadcrumb li[aria-current="page"] { color: var(--ink); }
.breadcrumb .sep { opacity: .5; }

/* §2 HERO */
.hero { padding: 56px 0 88px; position: relative; }
.hero-masthead {
  display: flex; align-items: center; gap: 16px;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.hero-masthead .vol { color: var(--ink); }
.hero-masthead .vol b { font-weight: 600; }
.hero-masthead .rule { flex: 1; height: 1px; background: var(--line); min-width: 32px; }
.hero-masthead .live {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--muted);
}
.hero-masthead .live .sig {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal);
  animation: pulse-sig 2.4s infinite;
}
@keyframes pulse-sig {
  0%   { box-shadow: 0 0 0 0 rgba(181,255,60,.5); }
  70%  { box-shadow: 0 0 0 8px rgba(181,255,60,0); }
  100% { box-shadow: 0 0 0 0 rgba(181,255,60,0); }
}

.hero-grid {
  display: grid; grid-template-columns: 1fr 560px;
  gap: 64px; align-items: start;
}
.hero h1 { margin: 0 0 24px; font-size: clamp(40px, 6.4vw, 92px); line-height: 0.98; max-width: none; }
.hero h1 em.italic-blue { color: var(--blue); }
.hero h1 .kw-blue { color: var(--blue); }
.hero-sub {
  font-size: clamp(18px, 1.3vw, 21px);
  line-height: 1.5; max-width: 640px; margin: 0 0 12px;
}
.hero-sub.secondary { margin-bottom: 36px; }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: 18px 24px; align-items: center; justify-content: center; }
.hero-cta-sub {
  display: block; margin-top: 12px;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: var(--muted);
}
.hero-cta-link {
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.02em; color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color .15s var(--t1), color .15s var(--t1);
}
.hero-cta-link:hover { border-color: var(--ink); color: var(--blue); }

/* §2b HERO — single-column, full-width headline + horizontal case rail */
.hero-stack { display: block; text-align: center; }
.hero-lead { max-width: 720px; margin: 0 auto; }
.hero-lead .hero-sub { margin-left: auto; margin-right: auto; }
/* §2b HERO CASE STACK — a loose pile of newspaper clippings: overlapping,
   lightly tilted, no outer frame. Hover lifts a clipping forward to read it. */
.case-rail {
  margin: 44px 0 0; text-align: left;
  overflow-x: clip; overflow-y: visible;
}
.rail-track {
  display: flex; justify-content: center; align-items: flex-start;
  padding: 30px 0 40px;
}
.rc {
  position: relative; flex: 0 0 306px; width: 306px;
  display: flex; flex-direction: column; gap: 13px;
  padding: 30px 26px 24px; min-height: 384px;
  background: #FAF9F5;
  border: 1px solid rgba(10,10,11,0.10); border-radius: 3px;
  box-shadow: 0 1px 2px rgba(10,10,11,0.05), -12px 16px 34px -18px rgba(10,10,11,0.30);
  transition: transform .34s cubic-bezier(.2,.7,.2,1), box-shadow .34s cubic-bezier(.2,.7,.2,1);
  transform-origin: center bottom;
}
.rc + .rc { margin-left: -116px; }
.rc:nth-child(1) { z-index: 1; transform: rotate(-1.1deg); }
.rc:nth-child(2) { z-index: 2; transform: rotate(0.7deg) translateY(7px); }
.rc:nth-child(3) { z-index: 3; transform: rotate(-0.5deg) translateY(2px); }
.rc:nth-child(4) { z-index: 4; transform: rotate(1deg) translateY(8px); }
.rc:nth-child(5) { z-index: 5; transform: rotate(-0.8deg) translateY(3px); }
.rc:nth-child(6) { z-index: 6; transform: rotate(0.6deg) translateY(6px); }
.rc:hover, .rc:focus-within {
  transform: translateY(-18px) rotate(0deg) !important; z-index: 40;
  box-shadow: 0 2px 6px rgba(10,10,11,0.06), -18px 26px 48px -20px rgba(10,10,11,0.42);
}
.rc-tag {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase; color: rgba(15,23,42,0.55);
}
.rc-sq { width: 6px; height: 6px; background: rgba(15,23,42,0.45); flex-shrink: 0; }
.rc-sq.lime { background: #C7F131; }
.rc-title {
  margin: 0; font-family: var(--font-sans); font-weight: 600;
  font-size: 22px; line-height: 1.2; letter-spacing: -0.015em;
  color: var(--ink); text-wrap: balance;
}
.rc-metric {
  margin: 0; font-family: var(--font-serif); font-style: italic;
  font-size: 18px; line-height: 1.4; color: rgba(15,23,42,0.62);
}
.rc-metric s { text-decoration-color: #9A3412; text-decoration-thickness: 1px; }
.rc-metric em { font-style: italic; color: #0F172A; }
.rc-arr { font-family: var(--font-mono); font-style: normal; font-size: 13px; color: rgba(15,23,42,0.5); }
.rc-stack {
  margin: auto 0 0; padding-top: 17px; border-top: 1px solid #E3E1D9;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em;
  color: rgba(15,23,42,0.5);
}
.rc-dark, .rc-feat { background: #0E1116; border-color: rgba(255,255,255,0.10); }
.rc-dark .rc-tag, .rc-feat .rc-tag { color: rgba(255,255,255,0.6); }
.rc-dark .rc-sq { background: rgba(255,255,255,0.5); }
.rc-dark .rc-title, .rc-feat .rc-title { color: #FFFFFF; }
.rc-dark .rc-metric, .rc-feat .rc-metric { color: rgba(255,255,255,0.7); }
.rc-dark .rc-metric s, .rc-feat .rc-metric s { color: rgba(255,255,255,0.45); text-decoration-color: rgba(255,255,255,0.5); }
.rc-dark .rc-metric em, .rc-feat .rc-metric em { color: #C7F131; }
.rc-dark .rc-arr, .rc-feat .rc-arr { color: rgba(255,255,255,0.5); }
.rc-dark .rc-stack, .rc-feat .rc-stack { border-top-color: rgba(255,255,255,0.14); color: rgba(255,255,255,0.55); }
.rc-feat .rc-title { font-size: 23px; }
/* below wide desktop, flatten the pile into a clean wrapped row */
@media (max-width: 1299px) {
  .case-rail { overflow: visible; }
  .rail-track { flex-wrap: wrap; justify-content: center; gap: 16px; padding: 8px 0 0; }
  .rc {
    flex: 0 0 300px; width: 300px; margin-left: 0 !important; transform: none !important;
    box-shadow: 0 1px 2px rgba(10,10,11,0.05), 0 18px 40px -26px rgba(10,10,11,0.28);
  }
  .rc:hover, .rc:focus-within { transform: translateY(-6px) !important; }
}
@media (max-width: 640px) {
  .rc { flex-basis: 88vw; width: 88vw; max-width: 340px; min-height: 300px; }
}

.hero-fig {
  margin: 0; position: relative;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; background: var(--bone);
}
.hero-fig img { width: 100%; height: auto; display: block; aspect-ratio: 4/3; object-fit: cover; }
.hero-fig figcaption {
  position: absolute; left: 14px; bottom: 14px;
  background: rgba(10,10,11,0.86); color: var(--bone);
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 4px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}

/* ---- case-archive-stack-v2 — portrait 8-card cascade ---- */
.case-archive-stack-v2 {
  width: 100%;
  max-width: 640px;
  margin-left: auto;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(10,10,11,0.35), 0 2px 6px rgba(10,10,11,0.06);
  display: flex;
  flex-direction: column;
}
.cas-head {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px;
  background: #0B0F14;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 16px;
  flex-shrink: 0;
}
.cas-head span { white-space: nowrap; }
.cas-head span:last-child { color: rgba(255,255,255,0.66); }
.cas-canvas {
  position: relative;
  flex: 1;
  background:
    linear-gradient(rgba(15,23,42,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,0.055) 1px, transparent 1px),
    #F1F0EB;
  background-size: 24px 24px, 24px 24px, auto;
  padding: 16px 20px 18px;
}
.cas-card {
  position: relative;
  background: #FAF9F5;
  border: 1px solid #E3E1D9;
  border-radius: 8px;
  box-shadow: 0 10px 22px -12px rgba(10,10,11,0.30), 0 1px 3px rgba(10,10,11,0.06);
}
.cas-tag {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: rgba(15,23,42,0.55);
  margin: 0;
  white-space: nowrap;
}
.cas-sq { width: 7px; height: 7px; background: rgba(15,23,42,0.45); flex-shrink: 0; }
.cas-sq.lime { background: #C7F131; }
.cas-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: #0F172A;
  margin: 0;
  flex-shrink: 0;
  text-wrap: balance;
}
.cas-strip { display: flex; flex-direction: column; gap: 2px; margin: 0; }
.cas-main {
  display: flex; justify-content: space-between; align-items: center;
  gap: 14px;
}
.cas-main .cas-title { flex: 0 1 58%; }
.cas-metric {
  flex: 0 0 auto;
  max-width: 40%;
  text-align: right;
  align-self: center;
  margin: 0;
}
.cas-metric s, .cas-metric .cas-new { display: block; }
.cas-stack-line {
  margin-top: auto;
  border-top: 1px solid #E3E1D9;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(15,23,42,0.62);
  white-space: nowrap;
}
.cas-card.cas-dark .cas-stack-line {
  border-top-color: rgba(244,239,230,0.14);
  color: rgba(255,255,255,0.62);
}
.cas-stack-inline {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: center;
  text-align: right;
  white-space: nowrap;
  color: rgba(255,255,255,0.62);
}
.cas-bottom .cas-stack-line { border-top: 0; padding-top: 2px; margin-top: 0; }
.cas-ba {
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(15,23,42,0.45);
}
.cas-vals {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12.5px;
  line-height: 1.3;
  color: #0F172A;
  white-space: nowrap;
}
.cas-metric.cas-vals { font-size: 15px; }
.cas-vals s {
  text-decoration-color: #9A3412;
  text-decoration-thickness: 1px;
  color: rgba(15,23,42,0.62);
}
.cas-vals em { font-style: italic; font-weight: 400; color: #0F172A; }
.cas-arr { font-family: var(--font-mono); font-style: normal; font-size: 11px; color: rgba(15,23,42,0.55); }

/* Featured (dark) card — fully visible at top of pile */
.cas-featured {
  background: #0E1116;
  border-color: #0E1116;
  min-height: 158px;
  width: 100%;
  padding: 16px 20px 14px;
  display: flex; flex-direction: column; gap: 12px;
  transform: rotate(-1deg);
  z-index: 9;
}
.cas-featured .cas-tag { color: rgba(255,255,255,0.62); }
.cas-featured .cas-title {
  color: #FFFFFF;
  font-size: 20px;
}
.cas-featured .cas-strip {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(244,239,230,0.14);
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.cas-featured .cas-ba { color: rgba(255,255,255,0.45); }
.cas-featured .cas-vals { font-size: 22px; color: #FFFFFF; }
.cas-featured .cas-vals s { color: rgba(255,255,255,0.45); text-decoration-color: rgba(255,255,255,0.55); }
.cas-featured .cas-vals em { color: #C7F131; }
.cas-featured .cas-arr { color: rgba(255,255,255,0.55); }

/* Band cards — tag row, two-column main zone (title / metric block),
   tech-stack footer. Auto-grow, no clipping, no ellipsis. Overlap (3px
   tuck + ±7.5px rotation dip) lands only in the 22px blank padding. */
.cas-band {
  min-height: 112px;
  width: 100%;
  padding: 20px 18px 12px;
  margin-top: -10px;
  display: flex; flex-direction: column; gap: 7px;
}

/* Flipped cards — title right, metric left (crossed zig-zag) */
.cas-flip .cas-tag { justify-content: flex-end; }
.cas-band.cas-flip .cas-main { flex-direction: row-reverse; }
.cas-band.cas-flip .cas-title { text-align: right; }
.cas-band.cas-flip .cas-metric { text-align: left; }
.cas-flip .cas-stack-line { text-align: right; }
.cas-bottom.cas-flip .cas-title { text-align: right; }
.cas-bottom.cas-flip .cas-strip { align-items: flex-end; }
.cas-band .cas-title { font-size: 18px; }

/* Bottom card — fully visible light card ending the pile */
.cas-bottom {
  min-height: 132px;
  width: 100%;
  padding: 20px 18px 14px;
  margin-top: -10px;
  display: flex; flex-direction: column; gap: 8px;
}
.cas-bottom .cas-strip {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid #E3E1D9;
}
.cas-bottom .cas-vals { font-size: 15px; }

/* Pile geometry — z descends, rotation + small alternating offsets
   (cards span full canvas width; offsets stay inside the 20px gutter) */
.cas-band:nth-of-type(2) { z-index: 8; transform: rotate(1.1deg)  translateX(5px); margin-top: -8px; background: #FAF9F5; }
.cas-band:nth-of-type(3) { z-index: 7; transform: rotate(-1.2deg) translateX(-5px); }
.cas-band:nth-of-type(4) { z-index: 6; transform: rotate(1.2deg)  translateX(6px);  background: #FBFAF6; }
.cas-band:nth-of-type(5) { z-index: 5; transform: rotate(-1.1deg) translateX(-6px); }
.cas-bottom              { z-index: 4; transform: rotate(0.9deg)  translateX(4px);  background: #FAF9F5; }

/* Dark-card modifier — CASE-03 / CASE-05 (plain gray square, lime after-value) */
.cas-card.cas-dark { background: #0E1116; border-color: #0E1116; }
.cas-card.cas-dark .cas-tag { color: rgba(255,255,255,0.62); }
.cas-card.cas-dark .cas-sq { background: rgba(255,255,255,0.5); }
.cas-card.cas-dark .cas-title { color: #FFFFFF; }
.cas-card.cas-dark .cas-ba { color: rgba(255,255,255,0.45); }
.cas-card.cas-dark .cas-vals { color: #FFFFFF; }
.cas-card.cas-dark .cas-vals s { color: rgba(255,255,255,0.45); text-decoration-color: rgba(255,255,255,0.55); }
.cas-card.cas-dark .cas-vals em { color: #C7F131; }
.cas-card.cas-dark .cas-arr { color: rgba(255,255,255,0.55); }

.cas-caption {
  position: absolute; left: 16px; bottom: 14px;
  background: #0B0F14;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 7px 11px;
  border-radius: 3px;
  z-index: 10;
}
.cas-micro {
  position: absolute; right: 16px; bottom: 40px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  color: rgba(15,23,42,0.42);
  z-index: 10;
}
@media (max-width: 1024px) {
  .case-archive-stack-v2 { margin: 0 auto; }
}
@media (max-width: 560px) {
  .cas-vals, .cas-stack-line, .cas-stack-inline { white-space: normal; }
}

.metric-grid {
  margin-top: 64px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}
.metric-tile {
  padding: 32px 28px 28px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 12px;
  position: relative;
}
.metric-tile:last-child { border-right: 0; }
.metric-tile .ix { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted); }
.metric-tile .v {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(48px, 5.4vw, 80px);
  line-height: 0.94; letter-spacing: -0.025em;
  color: var(--ink); display: flex; align-items: baseline;
}
.metric-tile .v .plus { color: var(--blue); font-size: 0.6em; font-style: italic; margin-left: 2px; }
.metric-tile .v .pct { font-size: 0.6em; color: var(--muted); font-style: italic; margin-left: 2px; }
.metric-tile .l { font-size: 14px; line-height: 1.4; color: var(--ink); max-width: 220px; }

@media (max-width: 1200px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-fig img { aspect-ratio: 16/10; }
}
@media (max-width: 720px) {
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-tile { border-bottom: 1px solid var(--line); }
  .metric-tile:nth-child(odd) { border-right: 1px solid var(--line); }
  .metric-tile:nth-child(even) { border-right: 0; }
  .metric-tile:nth-child(n+3) { border-bottom: 0; }
}
@media (max-width: 480px) {
  .metric-grid { grid-template-columns: 1fr; }
  .metric-tile { border-right: 0 !important; border-bottom: 1px solid var(--line); }
  .metric-tile:last-child { border-bottom: 0; }
}

/* §3 TRUST */
.trust { padding: 72px 0 64px; }
.trust-label {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted-dark); margin-bottom: 36px;
}
.trust-label .rule { flex: 1; height: 1px; background: var(--line-dark); }
.trust-label .sig { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); animation: pulse-sig 2.4s infinite; }
.cert-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.cert-card {
  background: #fff; border: 1px solid var(--line-dark);
  border-radius: var(--r); padding: 18px 14px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  min-height: 140px; position: relative;
  transition: transform .25s var(--t1), box-shadow .25s var(--t1);
  text-align: center;
}
.cert-card:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -10px rgba(0,0,0,0.4); }
.cert-card img { max-width: 64%; max-height: 56px; width: auto; height: auto; object-fit: contain; margin-top: 6px; }
.cert-card .cert-text { font-size: 11.5px; line-height: 1.3; color: var(--ink); font-weight: 500; letter-spacing: -0.005em; }
.cert-card .cert-tag {
  position: absolute; top: 8px; left: 10px;
  font-family: var(--font-mono); font-size: 8.5px;
  color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase;
}
.cert-card::after {
  content: ""; position: absolute; right: 10px; bottom: 8px;
  width: 5px; height: 5px;
  border: 1px solid var(--line); border-left: 0; border-top: 0;
}
@media (max-width: 1100px) { .cert-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px)  { .cert-grid { grid-template-columns: repeat(2, 1fr); } }

.client-strip {
  margin-top: 14px; padding: 20px 26px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-lg);
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.client-strip .lbl {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-dark);
}
.client-strip .txt { color: var(--bone); font-size: 15px; }
.client-strip .rule { flex: 1; height: 1px; background: var(--line-dark); }
.client-eyebrow {
  margin-top: 8px;
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: 14px;
}
.client-eyebrow .lbl { color: var(--bone); }
.client-eyebrow .rule { flex: 1; height: 1px; background: var(--line-dark); }
.client-eyebrow .count-tag {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line-dark);
  padding: 3px 9px;
  border-radius: 4px;
  color: var(--bone);
  font-size: 10.5px;
}

.client-logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  overflow: hidden;
}
.client-logos img {
  width: 100%;
  height: 96px;
  object-fit: contain;
  background: var(--ink);
  padding: 22px 26px;
  filter: brightness(0) invert(1);
  opacity: 0.55;
  transition: opacity .2s var(--t1), background .2s var(--t1);
}
.client-logos img:hover { opacity: 1; background: var(--ink-2); }
@media (max-width: 980px) { .client-logos { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 540px) { .client-logos { grid-template-columns: repeat(2, 1fr); } }
.founder-strip {
  margin-top: 16px; display: block;
  padding: 22px 28px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-lg);
  color: var(--bone);
  transition: background .2s var(--t1);
}
.founder-strip:hover { background: rgba(255,255,255,0.08); }
.founder-strip .inner {
  display: flex; align-items: center; gap: 18px; justify-content: space-between; flex-wrap: wrap;
}
.founder-strip .lbl {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-dark);
}
.founder-strip .name { font-size: 17px; font-weight: 500; }
.founder-strip .cred {
  font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.04em; color: var(--muted-dark);
}
.founder-strip .arr { display: inline-block; transition: transform .25s var(--t1); color: var(--bone); }
.founder-strip:hover .arr { transform: translateX(4px); }

/* §4 FEATURED CASE */
.featured-case { padding: 120px 0 100px; }
.featured-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: start; }
.featured-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.chip-industry, .chip-capability {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: 999px;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.04em;
  border: 1px solid var(--line); background: var(--bone);
}
.chip-industry { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.featured-case h3.headline {
  font-weight: 500; font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.1; letter-spacing: -0.025em;
  margin: 0 0 24px; text-wrap: balance;
}
.featured-case h3.headline em { font-style: italic; font-family: var(--font-serif); font-weight: 400; }
.featured-meta { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.featured-meta h4 {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  margin: 0 0 10px;
}
.featured-meta p { font-size: 15px; line-height: 1.55; color: var(--ink); margin: 0; }
.featured-stack { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.featured-stack h4 {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  margin: 0 0 14px;
}
.stack-chips { display: flex; flex-wrap: wrap; gap: 6px 8px; }
.stack-chip {
  display: inline-block; padding: 5px 10px;
  font-family: var(--font-mono); font-size: 11.5px;
  border: 1px solid var(--line); border-radius: 4px;
  background: var(--paper); color: var(--ink);
}
.featured-cta { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; }

.featured-visual { position: sticky; top: 96px; }
.featured-fig {
  position: relative; background: var(--ink); color: var(--bone);
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--ink);
}
.featured-fig img { width: 100%; height: auto; display: block; aspect-ratio: 4/3; object-fit: cover; opacity: 0.72; }
.featured-fig .placeholder-chip {
  position: absolute; top: 14px; left: 14px;
  background: rgba(250,250,248,0.94); color: var(--ink);
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 4px;
}
.ladder {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px; color: var(--bone);
  background: linear-gradient(180deg, transparent, rgba(10,10,11,0.92) 55%);
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: end; gap: 18px;
}
.ladder .col { display: flex; flex-direction: column; gap: 6px; }
.ladder .col.after { text-align: right; }
.ladder .col .lbl {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-dark);
}
.ladder .col .num {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(32px, 4vw, 56px); line-height: 1; letter-spacing: -0.02em;
}
.ladder .col.before .num {
  color: rgba(244,239,230,0.62);
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
  text-decoration-color: var(--rust);
}
.ladder .col.after .num { color: var(--bone); }
.ladder .arrow { font-family: var(--font-mono); font-size: 28px; color: var(--signal); padding-bottom: 6px; align-self: end; }
.ladder .unit {
  grid-column: 1 / -1;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-dark);
  text-align: center;
  border-top: 1px solid var(--line-dark);
  padding-top: 12px; margin-top: 6px;
}

@media (max-width: 1024px) {
  .featured-grid { grid-template-columns: 1fr; }
  .featured-visual { position: static; }
}
@media (max-width: 540px) { .featured-meta { grid-template-columns: 1fr; } }

/* §5 FILTER BAR */
.filter-bar {
  background: var(--bone);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 18px 0 16px;
  position: relative; z-index: 30;
  transition: padding .2s var(--t1), box-shadow .2s var(--t1);
}
.filter-bar.is-stuck {
  position: sticky; top: 64px;
  background: rgba(250,250,248,0.96);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  backdrop-filter: blur(10px) saturate(140%);
  padding: 14px 0 12px;
  box-shadow: 0 6px 18px -10px rgba(10,10,11,0.18);
}
.filter-folio {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px;
}
.filter-folio .rule { flex: 1; height: 1px; background: var(--line); }
.filter-folio .count {
  background: var(--ink); color: var(--bone);
  padding: 3px 9px; border-radius: 4px;
  font-size: 10.5px;
}
.filter-folio .live { display: inline-flex; align-items: center; gap: 6px; }
.filter-folio .live .sig {
  width: 6px; height: 6px; border-radius: 50%; background: var(--blue);
  animation: pulse-blue 2s infinite;
}
@keyframes pulse-blue {
  0%   { box-shadow: 0 0 0 0 rgba(6,85,255,.5); }
  70%  { box-shadow: 0 0 0 7px rgba(6,85,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(6,85,255,0); }
}

.filter-groups {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px 48px; align-items: start;
}
.filter-group { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.filter-group .gl, .filter-search .gl {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 11px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper);
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.02em; color: var(--ink);
  cursor: pointer; min-height: 32px; line-height: 1;
  transition: background .15s var(--t1), border-color .15s var(--t1), color .15s var(--t1);
}
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.filter-search { display: flex; flex-direction: column; gap: 6px; min-width: 220px; }
.search-input {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line); background: var(--paper);
  border-radius: 999px; min-height: 34px;
  transition: border-color .15s var(--t1);
}
.search-input:focus-within { border-color: var(--ink); }
.search-input svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--muted); }
.search-input input { border: 0; outline: 0; background: transparent; font-size: 13px; width: 100%; }
.filter-counter {
  margin-top: 14px;
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.04em; color: var(--muted);
}
.filter-counter .num { color: var(--ink); font-weight: 500; }
.filter-counter .reset {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted);
  border-bottom: 1px solid var(--line); padding-bottom: 1px;
  cursor: pointer; display: none;
}
.filter-counter .reset.is-visible { display: inline-flex; }
.filter-counter .reset:hover { color: var(--ink); border-color: var(--ink); }

@media (max-width: 980px) {
  .filter-groups { grid-template-columns: 1fr; }
  .filter-bar.is-stuck { top: 0; }
}

/* §6 CASES GRID */
.cases-head {
  display: grid; grid-template-columns: 1fr;
  gap: 56px; align-items: end; margin-bottom: 48px;
}
.cases-head .h-section { max-width: 34ch; }
.cases-head .lede { margin: 0; color: var(--ink); }
@media (max-width: 1024px) { .cases-head { grid-template-columns: 1fr; } }

.cases-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  grid-auto-rows: minmax(320px, auto);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.case-card {
  background: var(--bone); padding: 28px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
  scroll-margin-top: 200px;
  transition: background .2s var(--t1), opacity .25s var(--t1);
}
.case-card:hover { background: #fff; }
.case-card.featured {
  grid-row: span 2; background: var(--ink); color: var(--bone); padding: 36px;
}
.case-card.featured:hover { background: var(--ink-2); }
.case-chip {
  display: inline-flex; align-self: flex-start;
  align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted);
  padding: 5px 10px; border: 1px solid var(--line);
  background: var(--paper); border-radius: 999px;
  cursor: pointer;
  transition: border-color .15s var(--t1), color .15s var(--t1);
}
.case-chip:hover { border-color: var(--ink); color: var(--ink); }
.case-chip .sq { width: 7px; height: 7px; background: var(--blue); display: inline-block; }
.case-card.featured .case-chip { background: rgba(255,255,255,0.06); color: var(--bone); border-color: var(--line-dark); }
.case-card.featured .case-chip .sq { background: var(--signal); }
.case-card h3.title {
  font-weight: 500; font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.18; letter-spacing: -0.015em;
  margin: 0; text-wrap: balance;
}
.case-card.featured h3.title { font-size: clamp(24px, 2.1vw, 32px); }
.case-card .desc { font-size: 14.5px; line-height: 1.55; color: var(--muted); }
.case-card.featured .desc { color: var(--muted-dark); font-size: 15.5px; }

.card-ladder {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: end; gap: 14px;
  margin-top: auto;
  padding: 14px 18px 12px;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--paper);
}
.case-card.featured .card-ladder { background: rgba(255,255,255,0.04); border-color: var(--line-dark); }
.card-ladder .ba-lbl {
  font-family: var(--font-mono); font-size: 9.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 4px; display: block;
}
.case-card.featured .card-ladder .ba-lbl { color: var(--muted-dark); }
.card-ladder .ba-val {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: 22px; line-height: 1.1; letter-spacing: -0.015em;
}
.card-ladder .before .ba-val {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: var(--rust);
  text-decoration-thickness: 1px;
}
.case-card.featured .card-ladder .before .ba-val { color: var(--muted-dark); }
.card-ladder .after { text-align: right; }
.card-ladder .after .ba-val { color: var(--ink); }
.case-card.featured .card-ladder .after .ba-val { color: var(--bone); }
.card-ladder .arrow-mid {
  font-family: var(--font-mono); font-size: 18px; color: var(--blue);
  align-self: end; padding-bottom: 2px;
}
.card-ladder .unit {
  grid-column: 1 / -1;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--line);
  padding-top: 8px; margin-top: 4px;
}
.case-card.featured .card-ladder .unit { color: var(--muted-dark); border-top-color: var(--line-dark); }
.case-foot { display: flex; justify-content: flex-end; align-items: center; padding-top: 6px; }
.case-foot .read {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em;
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .15s var(--t1), color .15s var(--t1);
}
.case-foot .read:hover { border-color: var(--ink); color: var(--blue); }
.case-foot .read .arr { transition: transform .2s var(--t1); }
.case-foot .read:hover .arr { transform: translateX(3px); }
.case-card.featured .case-foot .read { color: var(--bone); }
.case-card.featured .case-foot .read:hover { border-bottom-color: var(--bone); color: var(--bone); }

.cases-empty {
  display: none;
  padding: 48px 36px;
  border: 1px dashed var(--line);
  border-radius: var(--r-lg);
  background: var(--bone);
  text-align: center;
}
.cases-empty.is-visible { display: block; }
.cases-empty p { font-size: 17px; max-width: 640px; margin: 0 auto 16px; text-wrap: pretty; }
.cases-empty a { color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 1px; }
.cases-empty a:hover { color: var(--blue); border-color: var(--blue); }

@media (max-width: 1024px) {
  .cases-grid { grid-template-columns: 1fr 1fr; }
  .case-card.featured { grid-row: auto; grid-column: span 2; }
}
@media (max-width: 640px) {
  .cases-grid { grid-template-columns: 1fr; }
  .case-card.featured { grid-column: auto; }
}

/* §7 CONVERSION CTA (blue) */
.cta-blue {
  position: relative; overflow: hidden;
  padding: 96px 0; color: #fff;
  background:
    radial-gradient(80% 120% at 95% 0%, rgba(255,255,255,0.22), transparent 55%),
    radial-gradient(70% 100% at 0% 100%, rgba(2,30,120,0.45), transparent 60%),
    linear-gradient(115deg, #0858FF 0%, #0A48E0 55%, #0334B8 100%);
}
.cta-blue::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 30% 50%, black, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at 30% 50%, black, transparent 85%);
}
.cta-blue::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(8px 8px at 14% 30%, rgba(255,255,255,0.5), transparent 70%),
    radial-gradient(6px 6px at 86% 70%, rgba(181,255,60,0.7), transparent 70%);
}
.cta-blue > .wrap { position: relative; z-index: 1; }
.cta-blue.on-blue .eyebrow { color: rgba(255,255,255,0.74); }
.cta-blue.on-blue .eyebrow .dot { background: var(--signal); }
.cta-blue h2 {
  color: #fff; max-width: 24ch; margin: 0 0 22px;
  font-weight: 500; font-size: clamp(34px, 4.4vw, 62px);
  line-height: 1.04; letter-spacing: -0.03em; text-wrap: balance;
}
.cta-blue h2 em { font-style: italic; font-family: var(--font-serif); font-weight: 400; }
.cta-blue p {
  color: rgba(255,255,255,0.86); font-size: clamp(17px, 1.35vw, 19px); line-height: 1.6;
  max-width: 640px; margin: 0;
}

/* Two-column split — copy left, action right */
.cta-split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: center;
}
.cta-split-side {
  display: flex; flex-direction: column;
  gap: 36px;
  align-items: flex-start;
  justify-self: end;
  padding: 56px 44px;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: var(--r-lg);
  background: rgba(255,255,255,0.06);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.cta-split-side .btn { height: 58px; padding: 0 32px; font-size: 17px; }
.cta-split-side .reassure-bullets { margin: 0 !important; gap: 16px; }
.cta-split-side .reassure-bullets li { font-size: 15px; line-height: 1.5; }
@media (max-width: 980px) {
  .cta-split { grid-template-columns: 1fr; gap: 36px; }
  .cta-split-side { justify-self: stretch; }
}
.cta-blue .reassure-bullets {
  list-style: none; padding: 0; margin: 36px 0 0;
  display: flex; flex-direction: column; gap: 10px;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: rgba(255,255,255,0.78);
}
.cta-blue .reassure-bullets li { display: flex; align-items: center; gap: 10px; }
.cta-blue .reassure-bullets li::before {
  content: ""; width: 6px; height: 6px; background: var(--signal); display: inline-block;
}
.cta-blue .btn-primary { background: #fff; color: var(--blue); }
.cta-blue .btn-primary:hover { background: var(--ink); color: #fff; }
.cta-blue .reassure-line {
  margin-top: 18px;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: rgba(255,255,255,0.74);
}

.stat-tiles {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  margin: 32px 0 40px;
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--r-lg); overflow: hidden;
}
.stat-tile {
  padding: 22px 22px 20px;
  background: rgba(8,72,224,0.55);
  display: flex; flex-direction: column; gap: 8px;
}
.stat-tile .v {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1; letter-spacing: -0.02em; color: #fff;
}
.stat-tile .v .plus { color: var(--signal); font-size: 0.6em; }
.stat-tile .l { font-size: 12.5px; line-height: 1.4; color: rgba(255,255,255,0.85); }
@media (max-width: 720px) { .stat-tiles { grid-template-columns: 1fr 1fr; } }
@media (max-width: 420px) { .stat-tiles { grid-template-columns: 1fr; } }

/* §8 IMPACT */
.impact-head { margin-bottom: 48px; }
.impact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.impact-card {
  background: var(--bone); border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
  transition: background .2s var(--t1), border-color .2s var(--t1);
}
.impact-card:hover { background: #fff; border-color: var(--ink); }
.impact-card .ix {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.impact-card .ix .sq { width: 7px; height: 7px; background: var(--blue); display: inline-block; }
.impact-card .big {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(72px, 8vw, 124px);
  line-height: 0.92; letter-spacing: -0.035em;
  color: var(--ink); margin: 0;
}
.impact-card .big .pct { color: var(--blue); }
.impact-card .lbl {
  font-size: 18px; font-weight: 500;
  line-height: 1.3; letter-spacing: -0.015em;
  color: var(--ink); text-wrap: balance;
}
.impact-card .ba {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: var(--muted);
  padding-top: 14px; border-top: 1px solid var(--line);
}
.impact-card .ind {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  position: absolute; top: 16px; right: 16px;
}
.impact-card .read {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em;
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px; margin-top: 4px;
  align-self: flex-start;
  transition: border-color .15s var(--t1), color .15s var(--t1);
}
.impact-card .read:hover { border-color: var(--ink); color: var(--blue); }
.impact-card .read .arr { transition: transform .2s var(--t1); }
.impact-card .read:hover .arr { transform: translateX(3px); }
@media (max-width: 900px) { .impact-grid { grid-template-columns: 1fr; } }

/* §9/§10/§15 SHARED TILE GRIDS */
.tile-head { margin-bottom: 48px; }
.tile-grid-industry { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tile-card {
  background: var(--bone); border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 16px;
  transition: background .2s var(--t1), border-color .2s var(--t1);
  position: relative;
}
.tile-card:hover { background: #fff; border-color: var(--ink); }
.tile-card h4.tile-name {
  font-weight: 500; font-size: 22px;
  line-height: 1.2; letter-spacing: -0.015em; margin: 0;
}
.tile-card .count {
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.06em; color: var(--blue);
  display: flex; align-items: center; gap: 8px;
}
.tile-card .count .sq { width: 6px; height: 6px; background: var(--blue); display: inline-block; }
.tile-card .featured-line { font-size: 14px; line-height: 1.5; color: var(--muted); }
.tile-card .featured-line a {
  color: var(--ink); border-bottom: 1px solid var(--line); padding-bottom: 1px;
}
.tile-card .featured-line a:hover { border-color: var(--ink); color: var(--blue); }
.cap-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.cap-pill {
  display: inline-block; padding: 4px 10px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.02em;
  border: 1px solid var(--line); background: var(--paper);
  border-radius: 999px; color: var(--ink);
}
.tile-foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
}
.tile-foot a {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.02em; color: var(--ink);
  display: inline-flex; align-items: center; gap: 6px;
  border-bottom: 1px solid transparent; padding-bottom: 1px;
  transition: border-color .15s var(--t1), color .15s var(--t1);
}
.tile-foot a:hover { border-color: var(--ink); color: var(--blue); }
.tile-foot a .arr { transition: transform .2s var(--t1); }
.tile-foot a:hover .arr { transform: translateX(3px); }
.tile-foot a.secondary { color: var(--muted); }
.tile-foot a.secondary:hover { color: var(--ink); }
@media (max-width: 1024px) { .tile-grid-industry { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .tile-grid-industry { grid-template-columns: 1fr; } }

.tile-grid-capability { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tile-grid-capability .tile-card { padding: 22px 22px 20px; gap: 14px; }
.tile-grid-capability .tile-card h4.tile-name { font-size: 18px; }
.tile-grid-capability .tile-card .featured-line { font-size: 13.5px; }
@media (max-width: 1024px) { .tile-grid-capability { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .tile-grid-capability { grid-template-columns: 1fr; } }

/* §11 SNAPSHOTS */
.snap-head { margin-bottom: 56px; }
.snap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.snap-card {
  background: var(--bone); border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 24px 20px;
  display: flex; flex-direction: column; gap: 12px;
  position: relative;
  scroll-margin-top: 200px;
  transition: background .2s var(--t1), border-color .2s var(--t1);
}
.snap-card:hover { background: #fff; border-color: var(--ink); }
.snap-card .snap-ix {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.snap-card .snap-ix .sq { width: 6px; height: 6px; background: var(--blue); display: inline-block; }
.snap-card .snap-ind {
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.02em; color: var(--ink);
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.snap-card .snap-cap {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.snap-card .snap-metric {
  font-weight: 500; font-size: 17px;
  line-height: 1.3; letter-spacing: -0.015em;
  color: var(--ink); text-wrap: balance;
  margin: 2px 0;
}
.snap-card .snap-metric em { font-style: italic; font-family: var(--font-serif); font-weight: 400; color: var(--blue); }
.snap-card .snap-stack {
  margin-top: auto; padding-top: 12px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 4px 6px;
}
.snap-card .snap-stack .stack-chip { font-size: 10.5px; padding: 3px 8px; }
.snap-card .nda-ribbon {
  position: absolute; top: 14px; right: 14px;
  font-family: var(--font-mono); font-size: 9.5px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
  padding: 3px 8px; border: 1px solid var(--line); border-radius: 4px;
}
@media (max-width: 1024px) { .snap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .snap-grid { grid-template-columns: 1fr; } }

.snap-prompt {
  margin-top: 48px;
  padding: 36px 40px;
  background: var(--ink); color: var(--bone);
  border-radius: var(--r-lg);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 36px; align-items: center;
}
.snap-prompt h3 {
  font-weight: 500;
  font-size: clamp(22px, 2vw, 32px);
  line-height: 1.15; letter-spacing: -0.02em;
  margin: 0 0 10px; color: var(--bone); text-wrap: balance;
}
.snap-prompt h3 em { font-style: italic; font-family: var(--font-serif); font-weight: 400; }
.snap-prompt p { color: var(--muted-dark); font-size: 15px; line-height: 1.55; margin: 0; max-width: 540px; }
.snap-prompt .actions { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.snap-prompt .secondary-link {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: var(--muted-dark);
  border-bottom: 1px solid var(--line-dark); padding-bottom: 2px;
}
.snap-prompt .secondary-link:hover { color: var(--bone); border-color: var(--bone); }
@media (max-width: 900px) { .snap-prompt { grid-template-columns: 1fr; padding: 28px; } }

/* §13 EDITOR'S NOTE */
.editor-note { padding: 120px 0 100px; background: var(--paper); }
.editor-grid {
  display: grid; grid-template-columns: .95fr 1.3fr;
  gap: 64px; align-items: start;
}
.editor-portrait { position: sticky; top: 96px; }
.editor-portrait .pf {
  aspect-ratio: 4/5;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden; position: relative;
  background: var(--bone);
}
.editor-portrait .pf img { width: 100%; height: 100%; display: block; object-fit: cover; }
.editor-portrait .cap {
  position: absolute; left: 14px; bottom: 14px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.05em;
  background: rgba(250,250,248,0.94);
  border: 1px solid var(--line);
  padding: 6px 10px; border-radius: 4px;
  color: var(--ink);
}
.editor-portrait .marginalia {
  margin-top: 24px;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.04em; color: var(--muted);
  padding-left: 14px; border-left: 1px solid var(--line);
}
.editor-body h2 { margin-bottom: 36px; max-width: 18ch; }
.editor-body h2 em { font-style: italic; font-family: var(--font-serif); font-weight: 400; }
.editor-body p {
  font-size: 17px; line-height: 1.7;
  color: var(--ink); margin: 0 0 22px;
  max-width: 64ch; text-wrap: pretty;
}
.editor-body p.editor-lead::first-letter {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  float: left; font-size: 84px; line-height: 0.85;
  padding: 6px 12px 0 0; color: var(--blue);
}
.editor-sig {
  margin-top: 40px; padding-top: 32px;
  border-top: 1px solid var(--line);
}
.sig-script {
  display: inline-block;
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(34px, 3.6vw, 44px); line-height: 1;
  letter-spacing: -0.01em; color: var(--ink);
  text-decoration: none; border: 0;
  transition: color .2s var(--t1);
}
.sig-script:hover { color: var(--blue); }
.sig-role {
  margin: 14px 0 0;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted);
}
.sig-creds { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.sig-cred {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em;
  color: var(--ink);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px;
}
.sig-cred .sq { width: 6px; height: 6px; background: var(--blue); display: inline-block; flex-shrink: 0; }
.sig-linkedin {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px;
  font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.04em; color: var(--ink);
  border: 1px solid var(--ink); border-radius: 999px;
  padding: 11px 18px;
  text-decoration: none;
  transition: background .2s var(--t1), color .2s var(--t1), border-color .2s var(--t1);
}
.sig-linkedin .li-glyph { color: var(--muted); transition: color .2s var(--t1); }
.sig-linkedin:hover { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.sig-linkedin:hover .li-glyph { color: #0A66C2; }
.sig-linkedin .arr { display: inline-block; transition: transform .3s var(--t1); }
.sig-linkedin:hover .arr { transform: translateX(4px); }
@media (max-width: 1024px) {
  .editor-grid { grid-template-columns: 1fr; }
  .editor-portrait { position: static; max-width: 360px; }
}

/* §13.b TEAM BAND */
.team-band {
  padding: 80px 0 0;
  background: var(--paper);
}
.team-band-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
}
.team-photo-frame {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.team-photo-frame img {
  width: 100%; height: auto; display: block;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.team-photo-frame figcaption {
  position: absolute; left: 14px; bottom: 14px;
  background: rgba(10,10,11,0.86); color: var(--bone);
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 4px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.team-band-copy h3 { margin: 12px 0 16px; max-width: 18ch; text-wrap: balance; }
.team-band-copy h3 em { font-style: italic; font-family: var(--font-serif); font-weight: 400; color: var(--blue); }
.team-band-copy .muted { font-size: 15.5px; line-height: 1.6; max-width: 48ch; margin: 0; }
.team-stat-row {
  margin-top: 28px;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.team-stat-row .ts {
  padding: 20px 16px 18px 0;
  border-right: 1px solid var(--line);
}
.team-stat-row .ts:last-child { border-right: 0; padding-right: 0; }
.team-stat-row .ts:not(:first-child) { padding-left: 16px; }
.team-stat-row .v {
  display: block;
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(28px, 2.6vw, 36px);
  line-height: 1; letter-spacing: -0.02em;
  color: var(--ink);
}
.team-stat-row .l {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.4;
}
@media (max-width: 1024px) {
  .team-band-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 540px) {
  .team-stat-row { grid-template-columns: 1fr; }
  .team-stat-row .ts { border-right: 0; border-bottom: 1px solid var(--line); padding-left: 0 !important; padding-right: 0; }
  .team-stat-row .ts:last-child { border-bottom: 0; }
}
.ref-arch-head { margin-bottom: 56px; }
.ref-arch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ref-arch-card {
  background: var(--bone); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 0;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: background .2s var(--t1), border-color .2s var(--t1);
}
.ref-arch-card:hover { background: #fff; border-color: var(--ink); }
.ref-arch-cover {
  aspect-ratio: 4/3; background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.ref-arch-cover img { width: 100%; height: 100%; object-fit: cover; }
.ref-arch-cover .meta-overlay {
  position: absolute; top: 14px; right: 14px;
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(10,10,11,0.88); color: var(--bone);
  padding: 4px 9px; border-radius: 4px; white-space: nowrap;
}
.ref-arch-body {
  padding: 24px 26px 26px;
  display: flex; flex-direction: column; gap: 14px; flex: 1;
}
.ref-arch-body h3 {
  font-weight: 500; font-size: 20px;
  line-height: 1.2; letter-spacing: -0.015em; margin: 0;
}
.ref-arch-body .file-meta {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.04em; color: var(--muted);
}
.ref-arch-body .preview {
  font-size: 14.5px; line-height: 1.55; color: var(--muted); margin: 0;
}
.ref-arch-body .whats-inside h4 {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink); margin: 10px 0 10px;
}
.ref-arch-body .whats-inside ul {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 9px;
}
.ref-arch-body .whats-inside li {
  font-size: 13px; line-height: 1.5; color: var(--ink);
  padding-left: 18px; position: relative;
}
.ref-arch-body .whats-inside li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 8px; height: 1px; background: var(--blue);
}
.ref-arch-cta {
  margin-top: auto; padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
@media (max-width: 1024px) { .ref-arch-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; } }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(10,10,11,0.62);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  z-index: 200; padding: 24px;
}
.modal-backdrop.is-open { display: flex; }
.modal-dialog {
  background: var(--paper); border-radius: var(--r-lg);
  border: 1px solid var(--line);
  max-width: 480px; width: 100%;
  padding: 36px 36px 32px;
  position: relative;
  box-shadow: 0 40px 80px -20px rgba(10,10,11,0.5);
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px;
  border-radius: 999px; border: 1px solid var(--line);
  display: grid; place-items: center;
  transition: background .15s var(--t1), border-color .15s var(--t1), color .15s var(--t1);
  cursor: pointer;
}
.modal-close:hover { background: var(--ink); border-color: var(--ink); color: var(--bone); }
.modal-close svg { width: 14px; height: 14px; }
.modal-dialog .modal-eyebrow {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px;
}
.modal-dialog h3 {
  font-weight: 500; font-size: 24px;
  line-height: 1.2; letter-spacing: -0.02em;
  margin: 0 0 18px; text-wrap: balance;
}
.modal-dialog form { display: flex; flex-direction: column; gap: 12px; }
.modal-dialog input[type="email"] {
  height: 48px; padding: 0 16px;
  background: var(--bone);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14.5px;
  transition: border-color .15s var(--t1);
}
.modal-dialog input[type="email"]:focus { outline: none; border-color: var(--ink); background: var(--paper); }
.modal-dialog button[type="submit"] { width: 100%; justify-content: center; }
.modal-dialog .reassure {
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.04em; color: var(--muted);
  text-align: center; margin: 4px 0 0;
}
.modal-dialog .success-state { display: none; text-align: center; padding: 20px 0 0; }
.modal-dialog.is-success form { display: none; }
.modal-dialog.is-success .success-state { display: block; }
.success-state .check {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  border-radius: 999px;
  background: var(--ink); color: var(--signal);
  display: grid; place-items: center;
}
.success-state .check svg { width: 24px; height: 24px; }

/* §15 OUTCOME tiles */
.tile-grid-outcome { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.outcome-tile {
  background: var(--bone); border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: background .2s var(--t1), border-color .2s var(--t1);
}
.outcome-tile:hover { background: #fff; border-color: var(--ink); }
.outcome-tile h4 {
  font-weight: 500; font-size: 19px;
  line-height: 1.25; letter-spacing: -0.015em; margin: 0;
}
.outcome-tile .examples { font-size: 13.5px; line-height: 1.5; color: var(--muted); }
.outcome-tile .sample-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.outcome-tile .sample-chips .chip-mini {
  display: inline-block; padding: 4px 9px;
  font-family: var(--font-mono); font-size: 11px;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: 999px; color: var(--ink); letter-spacing: 0.02em;
}
.outcome-tile .filter-link {
  margin-top: auto; padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: var(--ink);
  display: inline-flex; align-items: center; gap: 6px;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
}
.outcome-tile .filter-link:hover { color: var(--blue); border-color: var(--blue); }
.outcome-tile .filter-link .arr { transition: transform .2s var(--t1); }
.outcome-tile .filter-link:hover .arr { transform: translateX(3px); }
@media (max-width: 1024px) { .tile-grid-outcome { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .tile-grid-outcome { grid-template-columns: 1fr; } }

/* §16 METHODOLOGY */
.method-list { border-top: 1px solid var(--line-dark); }
.method-row {
  display: grid; grid-template-columns: 96px 1.1fr 1.6fr 1.4fr;
  gap: 28px; padding: 36px 0;
  border-bottom: 1px solid var(--line-dark);
  align-items: start;
}
.method-row .ix {
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.04em; color: var(--muted-dark);
  padding-top: 6px;
}
.method-row .name { color: var(--bone); }
.method-row .name h4 {
  font-weight: 500; font-size: 22px;
  line-height: 1.2; letter-spacing: -0.015em;
  margin: 0 0 6px;
}
.method-row .name .duration {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: var(--blue-tint);
}
.method-row .what h5, .method-row .sees h5 {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted-dark); margin: 0 0 8px;
}
.method-row .what p, .method-row .sees p {
  font-size: 14.5px; line-height: 1.55;
  color: var(--bone); margin: 0;
}
.method-footnote {
  margin-top: 36px; padding: 22px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px dashed var(--line-dark);
  border-radius: var(--r-lg);
  font-family: var(--font-mono); font-size: 12.5px;
  line-height: 1.55; color: var(--muted-dark);
  letter-spacing: 0.02em;
}
@media (max-width: 980px) {
  .method-row { grid-template-columns: 1fr; gap: 14px; padding: 28px 0; }
  .method-row .ix { padding-top: 0; }
}

/* §4b FEATURED CAROUSEL */
.featured-head-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px 24px; flex-wrap: wrap;
}
.featured-head-row .eyebrow { margin: 0; }
.featured-controls { display: flex; align-items: center; gap: 14px; }
.fc-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: 48px; height: 48px; border-radius: 999px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  box-shadow: 0 2px 6px rgba(10,10,11,0.06);
  font-family: var(--font-sans); font-size: 19px; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; padding: 0;
  transition: border-color 0.25s cubic-bezier(.2,.7,.2,1), background 0.25s cubic-bezier(.2,.7,.2,1);
}
/* full-width placement — 32px from the viewport edge, never deeper than 24px outside the container */
.fc-prev { left: min(-24px, calc((var(--container) - 100vw) / 2 + 32px)); }
.fc-next { right: min(-24px, calc((var(--container) - 100vw) / 2 + 32px)); }
/* below ~1560px the side margins are narrower than the button — give slides
   horizontal padding so the arrows sit over whitespace, never over text */
@media (max-width: 1560px) {
  .featured-slide { padding: 0 68px; }
}
.fc-btn:hover:not(:disabled) { border-color: var(--ink); background: #fff; }
.fc-btn:disabled { opacity: 0.3; cursor: default; }
@media (max-width: 640px) {
  .fc-btn { width: 44px; height: 44px; }
  .fc-prev { left: -12px; }
  .fc-next { right: -12px; }
  .featured-slide { padding: 0 40px; }
}
.fc-count {
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 500;
  letter-spacing: 0.1em; color: var(--muted);
  min-width: 52px; text-align: center;
}
.featured-carousel { position: relative; }
.featured-track {
  display: flex; gap: 48px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.featured-track::-webkit-scrollbar { display: none; }
.featured-slide {
  flex: 0 0 100%; min-width: 100%;
  scroll-snap-align: start;
}

/* §17 COMPARE TABLE */
.compare-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.compare-table caption { text-align: left; padding: 0 0 16px; color: var(--muted); }
.compare-table thead th {
  text-align: left;
  vertical-align: bottom;
  padding: 20px 24px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 500; color: var(--muted);
  background: var(--bone);
  border-bottom: 1px solid var(--line);
}
.compare-table thead th.bn {
  background: var(--blue); color: #fff;
  border-left: 2px solid var(--blue);
  border-right: 2px solid var(--blue);
  border-bottom: 1px solid var(--blue);
}
.compare-table thead th.bn b {
  display: block; margin-top: 4px;
  font-family: var(--font-sans); font-weight: 500; font-size: 16px;
  letter-spacing: -0.005em; text-transform: none; color: #fff;
}
.compare-table thead th.typ b {
  display: block; margin-top: 4px;
  font-family: var(--font-sans); font-weight: 500; font-size: 16px;
  letter-spacing: -0.005em; text-transform: none; color: var(--ink);
}
.compare-table tbody td {
  padding: 24px;
  vertical-align: top;
  font-size: 14.5px; line-height: 1.55;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s cubic-bezier(.2,.7,.2,1);
}
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody { counter-reset: crit; }
.compare-table tbody td.criterion {
  font-weight: 500; color: var(--ink);
  background: var(--bone); width: 24%;
}
.compare-table tbody td.criterion::before {
  counter-increment: crit;
  content: "0" counter(crit);
  display: block;
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.12em; color: var(--blue);
  margin-bottom: 8px;
}
.compare-table tbody td.bn {
  background: rgba(6,85,255,0.045); color: var(--ink);
  border-left: 2px solid var(--blue);
  border-right: 2px solid var(--blue);
}
.compare-table tbody tr:last-child td.bn { border-bottom: 2px solid var(--blue); }
.compare-table tbody td.bn::before {
  content: "";
  width: 8px; height: 8px; background: var(--blue);
  display: inline-block; margin-right: 10px; vertical-align: middle;
}
.compare-table tbody td.typ { color: var(--muted); background: #fff; }
.compare-table tbody tr:hover td.criterion { background: #fff; }
.compare-table tbody tr:hover td.bn { background: rgba(6,85,255,0.085); }
@media (max-width: 900px) {
  .compare-table thead { display: none; }
  .compare-table, .compare-table tbody, .compare-table tr, .compare-table td { display: block; }
  .compare-table tbody tr { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .compare-table tbody td { border-bottom: 0; padding: 8px 18px; }
  .compare-table tbody td.criterion { background: transparent; padding-bottom: 4px; }
  .compare-table tbody td.criterion::before { display: inline-block; margin: 0 8px 0 0; }
  .compare-table tbody td.bn { border-left: 2px solid var(--blue); border-right: 0; }
  .compare-table tbody tr:last-child td.bn { border-bottom: 0; }
  .compare-table tbody td.bn::after { content: " — Brainy Neurals"; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue); margin-left: 8px; }
  .compare-table tbody td.typ::before { content: "Typical vendor: "; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-right: 6px; }
}

/* §18 FAQ */
.faq-list { border-top: 1px solid var(--line); max-width: 980px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 56px 1fr 32px;
  gap: 16px; align-items: center;
  padding: 24px 0;
  transition: color .15s var(--t1);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover .q-text { color: var(--blue); }
.faq-item .q-num {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; color: var(--muted);
}
.faq-item .q-text {
  font-weight: 500; font-size: 18px;
  line-height: 1.35; letter-spacing: -0.012em;
  color: var(--ink);
  transition: color .15s var(--t1);
}
.faq-item .q-icon {
  width: 28px; height: 28px;
  border-radius: 50%; border: 1px solid var(--line);
  position: relative;
  transition: background .2s var(--t1), border-color .2s var(--t1);
}
.faq-item .q-icon::before, .faq-item .q-icon::after {
  content: ""; position: absolute;
  background: var(--ink); top: 50%; left: 50%;
  transition: transform .25s var(--t1), background .15s var(--t1);
}
.faq-item .q-icon::before { width: 10px; height: 1.5px; transform: translate(-50%, -50%); }
.faq-item .q-icon::after  { width: 1.5px; height: 10px; transform: translate(-50%, -50%); }
.faq-item[open] .q-icon { background: var(--ink); border-color: var(--ink); }
.faq-item[open] .q-icon::before, .faq-item[open] .q-icon::after { background: var(--bone); }
.faq-item[open] .q-icon::after { transform: translate(-50%, -50%) scaleY(0); }
.faq-answer {
  padding: 0 0 28px 72px;
  font-size: 15.5px; line-height: 1.65;
  color: var(--muted); max-width: 820px;
}
@media (max-width: 640px) {
  .faq-item summary { grid-template-columns: 36px 1fr 28px; gap: 12px; }
  .faq-answer { padding-left: 48px; }
}

/* §19 RELATED RESOURCES */
.resource-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.resource-tile {
  background: var(--bone); border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  min-height: 220px;
  position: relative;
  transition: background .2s var(--t1), border-color .2s var(--t1), transform .2s var(--t1);
}
.resource-tile:hover { background: #fff; border-color: var(--ink); transform: translateY(-2px); }
.resource-tile h4 {
  font-weight: 500; font-size: 19px;
  letter-spacing: -0.015em; line-height: 1.2; margin: 0;
}
.resource-tile p { font-size: 13.5px; line-height: 1.55; color: var(--muted); margin: 0; }
.resource-tile .res-arrow {
  margin-top: auto; align-self: flex-end;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  font-family: var(--font-mono); color: var(--ink);
  transition: background .2s var(--t1), color .2s var(--t1), border-color .2s var(--t1);
}
.resource-tile:hover .res-arrow { background: var(--ink); color: var(--bone); border-color: var(--ink); }
@media (max-width: 1024px) { .resource-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .resource-grid { grid-template-columns: 1fr; } }

/* §20 THIRD CTA (dark with credential chips) */
.third-cta { padding: 120px 0; position: relative; overflow: hidden; text-align: left; }
.cta3-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
  text-align: left;
}
.cta3-copy h2 { margin-left: 0; margin-right: 0; }
.cta3-copy .sub { margin-left: 0; margin-right: 0; }
.cta3-copy .reassure { margin-top: 24px; }
.cta3-form {
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--r-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
}
.cta3-form .field { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.cta3-form .field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.cta3-form .field-row .field { min-width: 0; }
@media (max-width: 540px) {
  .cta3-form .field-row { grid-template-columns: 1fr; }
}
.cta3-form .field label {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted-dark);
}
.cta3-form .field .req { color: var(--blue-tint); }
.cta3-form .field input,
.cta3-form .field textarea {
  background: transparent;
  border: 1px solid var(--ink-3);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--bone);
  font-size: 14.5px;
  font-family: inherit;
  min-height: 44px;
}
.cta3-form .field textarea { resize: vertical; min-height: 96px; }
.cta3-form .field input::placeholder,
.cta3-form .field textarea::placeholder { color: rgba(244,239,230,0.35); }
.cta3-form .field input:focus,
.cta3-form .field textarea:focus { outline: none; border-color: var(--blue); }
.cta3-form .field input[aria-invalid="true"],
.cta3-form .field textarea[aria-invalid="true"] { border-color: var(--rust); }
.cta3-form .form-foot {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  margin-top: 4px;
}
.cta3-form .form-fine {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--muted-dark); letter-spacing: 0.04em;
}
.cta3-form .cta3-success {
  display: none;
  align-items: center; gap: 10px;
  padding: 14px 18px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--bone);
}
.cta3-form .cta3-success .ok-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); flex-shrink: 0; }
.cta3-form.is-sent .cta3-success { display: inline-flex; }
.cta3-form.is-sent .field, .cta3-form.is-sent .form-foot { display: none; }
@media (max-width: 1024px) {
  .cta3-grid { grid-template-columns: 1fr; gap: 40px; }
}
.third-cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(50% 70% at 50% 30%, rgba(6,85,255,0.22), transparent 70%),
    radial-gradient(80% 60% at 0% 100%, rgba(122,160,255,0.15), transparent 65%);
}
.third-cta::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle at center, rgba(255,255,255,0.16) 1px, transparent 1.4px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black, transparent 70%);
  opacity: 0.5;
}
.third-cta .wrap { position: relative; z-index: 1; }
.cred-chip-row {
  display: flex; flex-wrap: wrap; justify-content: flex-start;
  gap: 10px; margin: 0 0 48px;
}
.cred-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.02em; color: var(--bone);
}
.cred-chip .sq { width: 6px; height: 6px; background: var(--signal); display: inline-block; }
.third-cta .eyebrow {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 20px;
}
.third-cta .eyebrow .dot { background: var(--signal); }
.third-cta h2 {
  font-weight: 500;
  font-size: clamp(36px, 4.6vw, 64px);
  line-height: 1.02; letter-spacing: -0.03em;
  margin: 0 0 18px;
  max-width: 22ch; text-wrap: balance; color: var(--bone);
}
.third-cta h2 em { font-style: italic; font-family: var(--font-serif); font-weight: 400; color: var(--bone); }
.third-cta .sub {
  font-size: 18px; line-height: 1.55;
  color: var(--muted-dark);
  max-width: 640px; margin: 0 0 8px;
}
.third-cta .btn-primary { background: var(--blue); }
.third-cta .btn-primary:hover { background: var(--blue-2); }
.third-cta .reassure {
  margin-top: 18px;
  font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.02em; color: var(--muted-dark);
}

/* §21 FOOTER */
.footer { background: var(--ink); color: var(--bone); padding: 80px 0 32px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand .brand-logo { height: 44px; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-brand .desc {
  margin: 18px 0 0; color: var(--muted-dark);
  font-size: 14.5px; line-height: 1.55; max-width: 380px;
}
.footer-brand .contact-line {
  margin-top: 22px;
  display: flex; flex-wrap: wrap; gap: 14px;
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.04em; color: var(--muted-dark);
}
.footer-col h4 {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted-dark);
  margin: 0 0 18px; font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: var(--bone); font-size: 14px; }
.footer-col a:hover { color: var(--blue-tint); }
.footer-bot {
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.04em; color: var(--muted-dark);
}
.footer-bot .legal { display: flex; gap: 20px; }
.footer-bot a:hover { color: var(--bone); }
.social-row { display: inline-flex; align-items: center; gap: 8px; }
.social-row .social {
  width: 36px; height: 36px;
  display: inline-grid; place-items: center;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-dark);
  transition: background .2s var(--t1), border-color .2s var(--t1);
}
.social-row .social:hover { background: rgba(255,255,255,0.1); border-color: var(--bone); }
.social-row .social img { width: 16px; height: 16px; filter: invert(1) brightness(1.2); opacity: 0.82; transition: opacity .2s var(--t1); }
.social-row .social:hover img { opacity: 1; }
@media (max-width: 980px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-top { grid-template-columns: 1fr; } }

/* MOTION */
.fade-up { opacity: 0; transform: translateY(16px); transition: opacity .65s var(--t1), transform .65s var(--t1); }
.fade-up.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .fade-up { opacity: 1; transform: none; } }

/* UTILITIES */
.is-hidden { display: none !important; }
.section-head-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 16px; align-items: end; margin-bottom: 48px;
}
.section-head-grid .h-section { max-width: 30ch; }
.ref-arch-head.section-head-grid,
.snap-head.section-head-grid { grid-template-columns: 1fr; }
.ref-arch-head .h-section,
.snap-head .h-section { max-width: 34ch; }
.section-head-grid p.lede { margin: 0; }
@media (max-width: 1024px) { .section-head-grid { grid-template-columns: 1fr; gap: 24px; } }



/* ============================================================
   Brainy Neurals — Case Studies Hub v2 additions
   Loads AFTER case-studies.css. New components only:
   1. Featured six grid        4. Capability chip strip
   2. Engagement cards         5. Methodology strip
   3. Industry explorer        6. Founder team figure · misc
   ============================================================ */

/* ---- 0 · Shared details/summary reset ---- */
.chip-industry { background: var(--blue); color: #fff; border-color: var(--blue); }
.ref-arch-cover svg { display: block; width: 100%; height: auto; }
.f6-card > summary,
.eng-card > summary,
.drawer > summary { list-style: none; cursor: pointer; }
.f6-card > summary::-webkit-details-marker,
.eng-card > summary::-webkit-details-marker,
.drawer > summary::-webkit-details-marker { display: none; }
.f6-card > summary:focus-visible,
.eng-card > summary:focus-visible,
.drawer > summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: var(--r); }

.when-open { display: none; }
details[open] > summary .when-open { display: inline; }
details[open] > summary .when-closed { display: none; }

/* ---- 1 · Featured six ---- */
.feat6 { padding: 120px 0; background: var(--paper); }
.f6-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.f6-card {
  background: var(--bone);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 0.3s cubic-bezier(.2,.7,.2,1), background 0.3s cubic-bezier(.2,.7,.2,1), transform 0.35s cubic-bezier(.2,.7,.2,1), box-shadow 0.35s cubic-bezier(.2,.7,.2,1);
  position: relative;
}
.f6-card:hover {
  background: #fff;
  border-color: var(--ink);
  transform: translateY(-6px) scale(1.015);
  box-shadow: 0 30px 60px -30px rgba(10,10,11,0.35), 0 2px 6px rgba(10,10,11,0.06);
  z-index: 2;
}
.f6-card[open], .f6-card[open]:hover { transform: none; box-shadow: none; }
.f6-card[open] { background: #fff; border-color: var(--ink); }
.f6-head { display: block; padding: 0 0 20px; }
.f6-figwrap { display: block; position: relative; clip-path: inset(0 0 -30px 0 round var(--r-lg) var(--r-lg) 0 0); }
.f6-fig {
  display: block; width: 100%; height: auto;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--line);
  background: var(--bone);
  transform-origin: 50% 100%;
  transition: transform 0.5s cubic-bezier(.2,.7,.2,1);
}
.f6-card:hover .f6-fig { transform: scale(1.05); }
.f6-card[open] .f6-fig, .f6-card[open]:hover .f6-fig { transform: none; }
.f6-badge {
  position: absolute; right: 16px; bottom: -13px;
  display: inline-block;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--ink); color: var(--bone);
  border-radius: 999px; padding: 6px 14px;
  white-space: nowrap;
}
.f6-meta { display: block; padding: 26px 24px 0; }
.f6-meta .chip-industry { margin-bottom: 12px; }
.f6-title {
  margin: 10px 0 8px;
  font-size: 19px; font-weight: 600; line-height: 1.3;
  letter-spacing: -0.015em; color: var(--ink);
  min-height: 2.6em;
}
.f6-stack {
  display: block;
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--muted); letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.f6-aff, .ec-aff {
  display: block;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--blue);
}
.f6-aff .arr, .ec-aff .arr { display: inline-block; transition: transform 0.3s cubic-bezier(.2,.7,.2,1); }
.f6-card:hover .f6-aff .arr { transform: translateY(2px); }
.f6-exp { padding: 0 24px 24px; border-top: 1px dashed var(--line); margin: 0 0 0; padding-top: 18px; }

/* ---- 2 · Expanded panel (shared featured + drawer cards) ---- */
.ec-hook { font-size: 15px; line-height: 1.55; color: var(--ink); margin: 0 0 14px; }
.ec-outcomes { margin: 0 0 14px; padding: 0; list-style: none; }
.ec-outcomes li {
  position: relative;
  padding: 0 0 0 20px; margin: 0 0 8px;
  font-size: 14.5px; line-height: 1.5; color: var(--muted);
}
.ec-outcomes li::before {
  content: "";
  position: absolute; left: 0; top: 7px;
  width: 8px; height: 8px; background: var(--blue);
}
.ec-scope {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--muted); letter-spacing: 0.01em;
  margin: 0 0 16px;
}
.ec-request {
  display: inline-block;
  font-weight: 500; font-size: 14.5px;
  color: var(--blue); text-decoration: none;
  border-bottom: 1px solid rgba(6,85,255,0.35);
  padding-bottom: 2px;
}
.ec-request:hover { border-bottom-color: var(--blue); }
.ec-request .arr { display: inline-block; transition: transform 0.3s cubic-bezier(.2,.7,.2,1); }
.ec-request:hover .arr { transform: translateX(4px); }

/* ---- 3 · Industry explorer ---- */
.explorer { padding: 120px 0; background: var(--paper); }
.tile-bar {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 0 0 32px;
}
.tile {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--paper); border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 18px;
  min-height: 44px;
  cursor: pointer;
  transition: border-color 0.25s cubic-bezier(.2,.7,.2,1), background 0.25s cubic-bezier(.2,.7,.2,1), color 0.25s cubic-bezier(.2,.7,.2,1);
}
.tile:hover { border-color: var(--ink); }
.tile[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bone); }
.tile .tc { font-size: 11.5px; color: var(--blue); }
.tile[aria-pressed="true"] .tc { color: var(--signal); }
.tile:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.drawer-stack { display: flex; flex-direction: column; gap: 12px; }
.drawer {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--paper);
  scroll-margin-top: 84px;
  position: relative;
  transition: border-color 0.25s cubic-bezier(.2,.7,.2,1), transform 0.35s cubic-bezier(.2,.7,.2,1), box-shadow 0.35s cubic-bezier(.2,.7,.2,1);
}
.drawer[open] { border-color: var(--ink); }
.drawer:not([open]):hover {
  border-color: var(--ink);
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 30px 60px -30px rgba(10,10,11,0.35), 0 2px 6px rgba(10,10,11,0.06);
  z-index: 2;
}
.drawer-head {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center; gap: 18px;
  padding: 22px 26px;
  min-height: 44px;
}
.dh-icon {
  display: flex; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--bone); color: var(--ink);
  transition: background 0.25s cubic-bezier(.2,.7,.2,1), color 0.25s cubic-bezier(.2,.7,.2,1), border-color 0.25s cubic-bezier(.2,.7,.2,1), transform 0.35s cubic-bezier(.2,.7,.2,1);
}
.dh-icon svg { width: 25px; height: 25px; }
.drawer:not([open]):hover .dh-icon,
.cap-drawer:not([open]):hover .dh-icon { transform: scale(1.12); }
.drawer-head:hover .dh-icon { border-color: var(--ink); }
.drawer[open] .dh-icon { background: var(--blue); border-color: var(--blue); color: #fff; }
.drawer-head:hover .dh-name { color: var(--blue); }
.dh-ix {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.1em; color: var(--blue);
}
.dh-name {
  margin: 0;
  font-size: 23px; font-weight: 600; letter-spacing: -0.02em;
  color: var(--ink);
  transition: color 0.25s cubic-bezier(.2,.7,.2,1);
}
.dh-count {
  font-family: var(--font-mono); font-size: 12.5px;
  color: var(--muted); letter-spacing: 0.02em;
  text-align: right;
}
.dh-aff {
  font-size: 15px; color: var(--muted);
  transition: transform 0.3s cubic-bezier(.2,.7,.2,1);
}
.drawer[open] .dh-aff { transform: rotate(180deg); color: var(--ink); }
.drawer-body { padding: 0 26px 26px; }
.drawer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

/* Engagement card */
.eng-card {
  background: var(--bone);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: background 0.25s cubic-bezier(.2,.7,.2,1), border-color 0.25s cubic-bezier(.2,.7,.2,1);
}
.eng-card:hover { background: #fff; }
.eng-card[open] { background: #fff; border-color: var(--ink); }
.ec-head { display: block; padding: 22px 24px; }
.ec-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 12px; }
.ec-title {
  margin: 0 0 6px;
  font-size: 17.5px; font-weight: 600; line-height: 1.35;
  letter-spacing: -0.01em; color: var(--ink);
}
.ec-mline { display: block; font-size: 14.5px; line-height: 1.5; color: var(--muted); margin: 0 0 14px; }
.ec-foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.ec-badge {
  display: inline-block;
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.02em; white-space: nowrap;
  color: var(--ink);
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 4px 9px;
}
.eng-card[open] .ec-badge, .eng-card:hover .ec-badge { background: var(--bone); }
.ec-badge.ec-internal {
  color: #92400E; border-color: rgba(180,83,9,0.4); background: rgba(180,83,9,0.06);
}
.ec-stack {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--muted); letter-spacing: 0.02em;
  flex: 1 1 auto; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ec-aff { flex: 0 0 auto; }
.ec-exp { padding: 0 24px 22px; border-top: 1px dashed var(--line); padding-top: 16px; margin: 0; }

/* Type D CTA card */
.typed-card {
  display: flex; flex-direction: column; justify-content: center; gap: 10px;
  min-height: 120px;
  border: 1px dashed rgba(10,10,11,0.3);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  text-decoration: none;
  background: var(--paper);
  transition: border-color 0.25s cubic-bezier(.2,.7,.2,1), background 0.25s cubic-bezier(.2,.7,.2,1);
}
.typed-card:hover { border-color: var(--ink); background: var(--bone); }
.td-line { font-size: 15px; font-weight: 500; color: var(--ink); line-height: 1.4; }
.td-cta {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue);
}
.typed-card .arr { display: inline-block; transition: transform 0.3s cubic-bezier(.2,.7,.2,1); }
.typed-card:hover .arr { transform: translateX(4px); }

/* ---- 4 · Capability explorer (dark band · mirrors the industry explorer) ---- */
.cap-explorer { padding: 120px 0; background: var(--ink); color: var(--bone); position: relative; }
.cap-explorer .h-section { color: var(--bone); }
.cap-explorer .lede { color: var(--muted-dark); margin-top: 8px; }

/* dark tiles */
.cap-tile {
  color: var(--bone);
  background: transparent;
  border-color: rgba(244,239,230,0.22);
}
.cap-tile:hover { border-color: var(--bone); background: rgba(244,239,230,0.05); }
.cap-tile[aria-pressed="true"] { background: var(--bone); border-color: var(--bone); color: var(--ink); }
.cap-tile .tc { color: rgba(244,239,230,0.5); }
.cap-tile[aria-pressed="true"] .tc { color: var(--blue); }

/* dark drawers (own class — deliberately NOT .drawer, so the industry accordion never sweeps them) */
.cap-drawer > summary { list-style: none; cursor: pointer; }
.cap-drawer > summary::-webkit-details-marker { display: none; }
.cap-drawer > summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: var(--r); }
.cap-drawer {
  border: 1px solid rgba(244,239,230,0.14);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  transition: border-color 0.25s cubic-bezier(.2,.7,.2,1), transform 0.35s cubic-bezier(.2,.7,.2,1);
}
.cap-drawer[open] { border-color: rgba(244,239,230,0.4); }
.cap-drawer:not([open]):hover {
  border-color: rgba(244,239,230,0.4);
  transform: translateY(-4px) scale(1.01);
  z-index: 2;
}
.cap-explorer .dh-icon { background: transparent; border-color: rgba(244,239,230,0.2); color: var(--bone); }
.cap-explorer .drawer-head:hover .dh-icon { border-color: var(--bone); }
.cap-drawer[open] .dh-icon { background: var(--blue); border-color: var(--blue); color: #fff; }
.cap-explorer .dh-name { color: var(--bone); }
.cap-explorer .drawer-head:hover .dh-name { color: var(--bone); }
.cap-explorer .dh-count { color: var(--muted-dark); }
.cap-explorer .dh-aff { color: var(--muted-dark); }
.cap-drawer[open] .dh-aff { transform: rotate(180deg); color: var(--bone); }

/* service-page link row inside the six drawers that have live pages */
.cap-svc-link {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin: 0 0 18px; padding: 15px 20px;
  border: 1px solid rgba(244,239,230,0.16); border-radius: var(--r);
  text-decoration: none; background: rgba(244,239,230,0.02);
  transition: border-color 0.25s cubic-bezier(.2,.7,.2,1), background 0.25s cubic-bezier(.2,.7,.2,1);
}
.cap-svc-link:hover { border-color: var(--bone); background: rgba(244,239,230,0.06); }
.csl-k {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-dark);
}
.csl-t { font-size: 14.5px; font-weight: 500; color: var(--bone); text-align: right; }
.cap-svc-link .arr { display: inline-block; transition: transform 0.3s cubic-bezier(.2,.7,.2,1); }
.cap-svc-link:hover .arr { transform: translateX(4px); }

/* dark engagement cards (clones) */
.cap-drawer .eng-card { background: var(--ink-2); border-color: var(--ink-3); }
.cap-drawer .eng-card:hover { background: var(--ink-2); border-color: rgba(244,239,230,0.35); }
.cap-drawer .eng-card[open] { background: var(--ink-2); border-color: rgba(244,239,230,0.45); }
.cap-drawer .ec-title { color: var(--bone); }
.cap-drawer .ec-mline { color: var(--muted-dark); }
.cap-drawer .chip-capability { background: transparent; border-color: rgba(244,239,230,0.24); color: rgba(244,239,230,0.72); }
.cap-drawer .ec-badge { background: var(--ink); border-color: var(--ink-3); color: var(--bone); }
.cap-drawer .eng-card[open] .ec-badge, .cap-drawer .eng-card:hover .ec-badge { background: var(--ink); }
.cap-drawer .ec-badge.ec-internal { color: #F6C177; border-color: rgba(246,193,119,0.4); background: rgba(246,193,119,0.08); }
.cap-drawer .ec-stack { color: var(--muted-dark); }
.cap-drawer .ec-aff { color: rgba(244,239,230,0.72); }
.cap-drawer .ec-exp { border-top-color: rgba(244,239,230,0.16); }
.cap-drawer .ec-hook { color: rgba(244,239,230,0.85); }
.cap-drawer .ec-outcomes li { color: var(--muted-dark); }
.cap-drawer .ec-scope { color: var(--muted-dark); }
.cap-drawer .ec-request { color: var(--bone); border-bottom-color: rgba(244,239,230,0.3); }
.cap-drawer .ec-request:hover { border-bottom-color: var(--blue); }

/* dark Type D card */
.cap-drawer .typed-card { background: rgba(244,239,230,0.02); border-color: rgba(244,239,230,0.16); }
.cap-drawer .typed-card:hover { background: rgba(244,239,230,0.06); border-color: var(--bone); }
.cap-drawer .td-line { color: var(--bone); }
.cap-drawer .td-cta { color: rgba(244,239,230,0.75); }
.cap-drawer .typed-card:hover .td-cta { color: var(--bone); }

/* ---- 4b · Capability chip strip (legacy specimen, unused) ---- */
.cap-strip {
  background: var(--ink);
  padding: 64px 0;
  position: relative;
}
.cap-strip .eyebrow { color: var(--bone); margin-bottom: 20px; }
.cap-chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.cap-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--bone); text-decoration: none;
  border: 1px solid rgba(244,239,230,0.22);
  border-radius: 999px;
  padding: 11px 18px;
  min-height: 44px;
  transition: border-color 0.25s cubic-bezier(.2,.7,.2,1), background 0.25s cubic-bezier(.2,.7,.2,1);
}
.cap-chip:hover { border-color: var(--bone); background: rgba(244,239,230,0.06); color: var(--bone); }
.cap-chip .arr { display: inline-block; transition: transform 0.3s cubic-bezier(.2,.7,.2,1); }
.cap-chip:hover .arr { transform: translateX(4px); }
.cap-chip.is-static { color: var(--muted-dark); cursor: default; }
.cap-chip.is-static:hover { border-color: rgba(244,239,230,0.22); background: transparent; }

/* ---- 5 · Methodology strip ---- */
.method-band .section-head-grid { margin-bottom: 48px; }
.method-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  list-style: none;
  margin: 0; padding: 0;
}
.ms-step {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--r-lg);
  padding: 26px 24px 30px;
  transition: transform 0.3s cubic-bezier(.2,.7,.2,1), border-color 0.3s cubic-bezier(.2,.7,.2,1);
}
.ms-step:hover { transform: translateY(-3px); border-color: rgba(244,239,230,0.45); }
.ms-step::after {
  content: "→";
  position: absolute; right: -16px; top: 42px;
  color: rgba(244,239,230,0.4); font-size: 17px;
  transition: transform 0.3s cubic-bezier(.2,.7,.2,1), color 0.3s cubic-bezier(.2,.7,.2,1);
  z-index: 1;
}
.ms-step:hover::after { transform: translateX(4px); color: var(--signal); }
.ms-step:last-child::after { content: none; }
.ms-top {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 20px;
}
.ms-icon {
  display: flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--blue); color: #fff;
  transition: transform 0.3s cubic-bezier(.2,.7,.2,1);
}
.ms-icon svg { width: 26px; height: 26px; }
.ms-step:hover .ms-icon { transform: translateY(-2px); }
.ms-ix {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.1em; color: var(--blue);
  padding-top: 4px;
}
.ms-step h4 {
  margin: 0 0 12px;
  font-size: 21px; font-weight: 600; letter-spacing: -0.015em;
  color: var(--bone);
}
.ms-step p { margin: 0; font-size: 15px; line-height: 1.6; color: rgba(244,239,230,0.72); }
.method-band .method-footnote {
  margin: 40px 0 0;
  max-width: 880px;
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  padding: 24px 28px;
  font-family: var(--font-sans);
  font-size: 15px; line-height: 1.65;
  letter-spacing: 0;
  color: rgba(244,239,230,0.72);
}
.method-band .method-footnote::before {
  content: "One exception";
  display: block;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--bone);
  margin-bottom: 10px;
}

/* ---- 6 · Founder team figure + misc ---- */
.founder-team-fig { margin: 64px 0 0; }
.founder-team-fig img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 16 / 7; object-fit: cover; object-position: center 38%;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}
.founder-team-fig figcaption {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted);
  margin-top: 12px;
}

.third-cta { scroll-margin-top: 84px; }

.feat6 .lede { margin-top: 8px; }
.explorer .lede { margin-top: 8px; }

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .f6-grid { grid-template-columns: 1fr 1fr; }
  .method-strip { grid-template-columns: 1fr 1fr; }
  .ms-step::after { content: none; }
}
@media (max-width: 860px) {
  .drawer-grid { grid-template-columns: 1fr; }
  .drawer-head { grid-template-columns: auto 1fr auto; }
  .dh-count { display: none; }
  .feat6, .explorer, .cap-explorer { padding: 80px 0; }
}
@media (max-width: 640px) {
  .dh-icon { width: 40px; height: 40px; border-radius: 10px; }
  .dh-icon svg { width: 21px; height: 21px; }
  .dh-name { font-size: 18.5px; }
  .f6-grid { grid-template-columns: 1fr; }
  .method-strip { grid-template-columns: 1fr; }
  .tile-bar { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 8px; }
  .tile { flex: 0 0 auto; }
  .drawer-head { padding: 18px 18px; gap: 12px; }
  .drawer-body { padding: 0 18px 18px; }
  .ec-head { padding: 18px 18px; }
  .ec-exp { padding-left: 18px; padding-right: 18px; }
  .f6-meta { padding: 24px 18px 0; }
  .f6-exp { padding: 16px 18px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .f6-card, .eng-card, .drawer, .cap-drawer, .tile, .cap-chip, .typed-card, .ms-step, .ms-icon, .ms-step::after,
  .f6-aff .arr, .ec-aff .arr, .ec-request .arr, .dh-aff, .dh-icon, .f6-fig { transition: none; }
  .f6-card:hover { transform: none; box-shadow: none; }
  .f6-card:hover .f6-fig { transform: none; }
  .drawer:not([open]):hover, .cap-drawer:not([open]):hover { transform: none; box-shadow: none; }
  .drawer:not([open]):hover .dh-icon, .cap-drawer:not([open]):hover .dh-icon { transform: none; }
  .ms-step:hover { transform: none; }
  .ms-step:hover .ms-icon { transform: none; }
}