/* PrimeMind Labs · main stylesheet
   Cortical Cartography aesthetic: bone, obsidian, gold. */

:root {
  color-scheme: light;
  --paper:   #ECE5D2;
  --paper-2: #E0D9C5;
  --bone:    #F4EFE0;
  --ink:     #0F0E10;
  --ink-2:   #2B2823;
  --graph:   #5C5A57;
  --faint:   #C7BFAC;
  --gold:    #B0884A;
  --gold-2:  #C9A85F;
  --gold-3:  #8E6A30;
  --rule:    rgba(15, 14, 16, 0.18);

  --font-display: "Iowan Old Style", "Palatino", "Georgia", "Times New Roman", serif;
  --font-serif:   "Iowan Old Style", "Palatino", "Georgia", serif;
  --font-sans:    "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-mono:    "JetBrains Mono", "Geist Mono", "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* paper grain · subtle CSS texture */
body::before {
  content: ''; position: fixed; inset: 0;
  background-image:
    radial-gradient(rgba(15,14,16,0.018) 1px, transparent 1px),
    radial-gradient(rgba(15,14,16,0.012) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 1px;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: multiply;
}

/* ─── NAV ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center;
  padding: 18px 36px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--ink);
  mix-blend-mode: multiply;
}
.nav .lockup {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: inherit;
}
.nav .lockup .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }
.nav .links { margin-left: auto; display: flex; gap: 28px; }
.nav .links a { color: inherit; text-decoration: none; transition: opacity 0.2s; }
.nav .links a:hover { opacity: 0.55; }
.nav .meta { margin-left: 28px; opacity: 0.55; }

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  padding: 80px 24px 60px;
  z-index: 2;
}
.topo-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.32;
  pointer-events: none;
}

.hero-pretitle {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.8px; text-transform: uppercase;
  color: var(--ink); opacity: 0.55;
  margin-bottom: 36px;
  z-index: 2;
}
.hero-pretitle .gold-dot {
  display: inline-block; width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  margin: 0 10px;
  vertical-align: middle;
}

.brain-svg {
  width: 360px; height: 280px;
  z-index: 2;
  margin-bottom: 28px;
}
.brain-svg path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 0.6;
  stroke-linecap: round;
  stroke-dasharray: 4000;
  stroke-dashoffset: 4000;
  animation: drawIn 4s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}
.brain-svg .ridge {
  stroke: var(--gold);
  stroke-width: 0.85;
}
.brain-svg .stem {
  stroke-width: 0.5;
  stroke-opacity: 0.55;
  fill: none;
}
@keyframes drawIn { to { stroke-dashoffset: 0; } }

.wordmark {
  font-family: var(--font-display);
  font-size: clamp(60px, 11vw, 132px);
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 18px;
  text-align: center;
  z-index: 2;
}
.wordmark .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
  animation: charRise 1.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
@keyframes charRise {
  to { opacity: 1; transform: translateY(0); }
}

.subbar {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 12px;
  z-index: 2;
}
.subbar .rule { width: 90px; height: 1px; background: var(--ink); opacity: 0.6; }
.subbar .gold-dot { width: 7px; height: 7px; background: var(--gold); border-radius: 50%; }
.subbar .laboratories {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 600;
  margin-left: 6px;
  margin-right: 6px;
}

.tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(18px, 2.4vw, 26px);
  color: var(--ink);
  margin: 30px 0 6px;
  text-align: center;
  z-index: 2;
}
.subtag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(13px, 1.6vw, 16px);
  color: var(--graph);
  text-align: center;
  z-index: 2;
}

.hero-cta {
  display: flex; gap: 14px; margin-top: 38px;
  z-index: 2;
}
.btn-primary, .btn-secondary {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.6px; text-transform: uppercase;
  padding: 14px 22px; border-radius: 2px;
  text-decoration: none; font-weight: 700;
  transition: transform 0.15s, opacity 0.2s, background 0.2s;
  display: inline-block;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--gold); color: var(--ink); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn-secondary:hover { background: var(--ink); color: var(--paper); }
.btn-primary.big {
  padding: 18px 32px; font-size: 13px; letter-spacing: 0.4px;
  text-transform: none; font-family: var(--font-display); font-weight: 400;
}

.scroll-cue {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--ink); opacity: 0.5;
  z-index: 2;
}
.scroll-cue::after {
  content: ''; display: block;
  width: 1px; height: 30px;
  background: var(--ink); opacity: 0.4;
  margin: 8px auto 0;
  animation: scrollPulse 2.4s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50%      { transform: scaleY(1.6); opacity: 0.8; }
}

/* ─── SECTION CHROME ─── */
section { position: relative; z-index: 2; }
.section-frame {
  max-width: 1200px;
  margin: 0 auto;
  padding: 140px 36px;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 18px;
}
.eyebrow .num { color: var(--ink); margin-right: 12px; opacity: 0.7; }

/* ─── MANIFESTO ─── */
.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.018em;
  color: var(--ink);
  max-width: 880px;
  margin-bottom: 50px;
}
.manifesto-headline .em {
  font-style: italic;
  color: var(--gold-3);
}
.manifesto-body {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 620px;
  display: grid; gap: 22px;
}

/* ─── BIG-LINE HEADLINES + TWO-COL ─── */
.big-line {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.014em;
  color: var(--ink);
  max-width: 880px;
  margin-bottom: 50px;
}
.big-line em { font-style: italic; color: var(--gold-3); }
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1000px;
}
.two-col .col p {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-2);
  margin-bottom: 18px;
}

/* ─── INDUSTRIES (replaces investor-style cohorts) ─── */
.industries { background: var(--paper-2); padding: 0; }
.industries-header { max-width: 800px; margin-bottom: 60px; }
.industries-header h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1; letter-spacing: -0.012em;
  margin-bottom: 16px;
}
.industries-header h2 em { color: var(--gold-3); font-style: italic; }
.industries-header p {
  font-family: var(--font-serif);
  font-size: 18px; line-height: 1.6;
  color: var(--ink-2);
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.industry-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 28px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.industry-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
}
.industry-card .ind-roman {
  font-family: var(--font-mono);
  font-size: 11px; color: var(--gold);
  letter-spacing: 0.6px; margin-bottom: 8px;
}
.industry-card .ind-name {
  font-family: var(--font-display);
  font-size: 24px; line-height: 1.1;
  margin-bottom: 14px;
  letter-spacing: -0.012em;
}
.industry-card .ind-desc {
  font-family: var(--font-serif);
  font-size: 14px; line-height: 1.55;
  color: var(--ink-2);
  margin-bottom: 18px;
}
.industry-card .ind-products {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.5px;
  color: var(--ink); opacity: 0.7;
  text-transform: uppercase;
  border-top: 1px dashed var(--rule);
  padding-top: 14px;
}

/* ─── HOW WE WORK ─── */
.how-we-work { background: var(--paper); }

/* ─── ABOUT ─── */
.about { background: var(--paper-2); }

/* ─── CONTACT ─── */
.contact-section {
  background: var(--paper-2);
}
.contact-frame {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
}
.contact-text p {
  font-family: var(--font-serif);
  font-size: 17px; line-height: 1.7;
  color: var(--ink-2);
  max-width: 560px;
}
.contact-text .big-line { margin-bottom: 28px; }
.contact-actions {
  display: flex; flex-direction: column;
  align-items: flex-start; gap: 18px;
}
.contact-meta {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.5px;
  color: var(--graph);
  text-transform: uppercase;
}

/* ─── MOVEMENT ─── */
.movement {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  position: relative;
}
.movement-frame {
  max-width: 1200px;
  margin: 0 auto;
  padding: 160px 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
}
.movement .eyebrow { color: var(--gold-2); }
.movement-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.012em;
  margin-bottom: 28px;
  color: var(--paper);
}
.movement-title .gold { color: var(--gold-2); }
.movement-body {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
  color: rgba(236, 229, 210, 0.78);
  display: grid; gap: 18px;
}
.movement-mark {
  display: flex; justify-content: center; align-items: center;
  position: relative;
}
.movement-mark svg {
  width: 100%; max-width: 460px;
  height: auto;
}
.brain-3d-container {
  position: relative;
  width: 100%;
  max-width: 540px;
  height: 460px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brain-3d-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.brain-3d-group {
  transform-origin: 360px 290px;
  animation: brainFloat 8s ease-in-out infinite;
}
.brain-3d-realistic {
  animation: brainFloat 9s ease-in-out infinite;
}
.brain-halo {
  animation: brainPulse 5s ease-in-out infinite;
}
@keyframes brainFloat {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); }
  50%      { transform: translateY(-12px) rotate(1.5deg); }
}
@keyframes brainPulse {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .brain-3d-group, .brain-3d-realistic, .brain-halo { animation: none; }
}
.movement-mark .ring {
  position: absolute;
  border: 1px solid rgba(201, 168, 95, 0.22);
  border-radius: 50%;
  pointer-events: none;
  animation: spinSlow 60s linear infinite;
}
.movement-mark .ring.r1 { width: 540px; height: 540px; }
.movement-mark .ring.r2 { width: 660px; height: 660px; animation-direction: reverse; animation-duration: 90s; }
@keyframes spinSlow { to { transform: rotate(360deg); } }

/* ─── TWELVE PRODUCTS ─── */
.twelve { background: var(--paper); }
.twelve-header { margin-bottom: 60px; max-width: 800px; }
.twelve-header h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin-bottom: 16px;
}
.twelve-header h2 em { color: var(--gold-3); font-style: italic; }
.twelve-header p {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-2);
}
.twelve-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.product {
  background: var(--paper);
  padding: 28px;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  min-height: 220px;
  display: flex; flex-direction: column;
  isolation: isolate;
}
.product .brand-wash {
  position: absolute; inset: 0;
  background: var(--brand);
  opacity: 0;
  transform: scale(0.85);
  transform-origin: top left;
  transition: opacity 0.5s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: -1;
}
.product:hover .brand-wash { opacity: 1; transform: scale(1); }
.product .num {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.6px;
  color: var(--ink); opacity: 0.5;
  margin-bottom: 14px;
  transition: color 0.4s;
}
.product .accent-dot {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; background: var(--brand);
  margin-right: 8px; vertical-align: middle;
  transition: background-color 0.4s;
}
.product .name {
  font-family: var(--font-display);
  font-size: 28px; line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 4px;
  transition: color 0.4s;
}
.product .domain {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.3px;
  color: var(--graph);
  transition: color 0.4s;
}
.product .tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px; line-height: 1.45;
  color: var(--ink-2);
  margin-top: 16px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s 0.05s, transform 0.4s 0.05s, color 0.4s;
}
.product:hover .tagline { opacity: 1; transform: translateY(0); }
.product .stage {
  position: absolute; top: 14px; right: 14px;
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.5px;
  text-transform: uppercase; font-weight: 700;
  padding: 2px 7px; border-radius: 8px;
  background: var(--gold); color: var(--ink);
  transition: background 0.4s;
}
.product .stage.built { background: var(--graph); color: var(--paper); }
.product .stage.pre { background: transparent; color: var(--graph); border: 1px solid var(--graph); }

.product[data-mode="dark"]:hover .num,
.product[data-mode="dark"]:hover .name,
.product[data-mode="dark"]:hover .tagline { color: var(--paper); }
.product[data-mode="dark"]:hover .domain { color: rgba(236, 229, 210, 0.7); }
.product[data-mode="light"]:hover .num,
.product[data-mode="light"]:hover .name,
.product[data-mode="light"]:hover .tagline { color: var(--ink); }
.product[data-mode="light"]:hover .domain { color: var(--ink); opacity: 0.7; }

/* ─── COHORTS ─── */
.cohorts { background: var(--paper-2); padding: 0; }
.cohort-frame { max-width: 1200px; margin: 0 auto; padding: 140px 36px; }
.cohort-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 50px;
}
.cohort-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 32px;
}
.cohort-card .name { font-family: var(--font-display); font-size: 26px; margin-bottom: 8px; }
.cohort-card .meta {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
}
.cohort-card .desc {
  font-family: var(--font-serif);
  font-size: 15px; line-height: 1.6;
  color: var(--ink-2); margin-bottom: 22px;
}
.cohort-products { display: flex; gap: 16px; flex-wrap: wrap; }
.cohort-products .pill {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink); font-weight: 600;
}
.cohort-products .pill .accent { width: 8px; height: 8px; border-radius: 50%; }
.cohort-acquirers {
  margin-top: 18px; padding-top: 18px;
  border-top: 1px dashed var(--rule);
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.4px;
  color: var(--graph);
}
.cohort-acquirers .lbl { color: var(--gold); margin-right: 8px; }

/* ─── NUMBERS ─── */
.numbers { background: var(--ink); color: var(--paper); }
.numbers-frame { max-width: 1200px; margin: 0 auto; padding: 140px 36px; }
.numbers .eyebrow { color: var(--gold-2); }
.numbers h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  margin-bottom: 60px;
  max-width: 700px;
  letter-spacing: -0.012em;
}
.numbers h2 em { color: var(--gold-2); font-style: italic; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat {
  border-top: 1px solid rgba(201, 168, 95, 0.4);
  padding-top: 18px;
}
.stat .lbl {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.6px; text-transform: uppercase;
  color: var(--gold-2); margin-bottom: 8px;
}
.stat .val {
  font-family: var(--font-display);
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1; font-weight: 400;
  color: var(--paper);
}
.stat .sub {
  font-family: var(--font-mono);
  font-size: 11px; color: rgba(236, 229, 210, 0.6);
  margin-top: 8px;
}

/* ─── TENETS ─── */
.tenets-frame { max-width: 1200px; margin: 0 auto; padding: 160px 36px 140px; }
.tenets-header h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  letter-spacing: -0.015em;
  margin-bottom: 60px;
  text-align: center;
}
.tenets-header h2 em { color: var(--gold-3); font-style: italic; }
.tenet-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
}
.tenet { text-align: center; }
.tenet .roman {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--gold); letter-spacing: 0.6px; margin-bottom: 18px;
}
.tenet .word {
  font-family: var(--font-display);
  font-size: 44px; line-height: 1;
  margin-bottom: 14px; letter-spacing: -0.012em;
}
.tenet .rule {
  width: 50px; height: 1px; background: var(--ink);
  margin: 18px auto; opacity: 0.5;
}
.tenet .desc {
  font-family: var(--font-serif);
  font-style: italic; font-size: 15px;
  color: var(--graph);
  max-width: 240px; margin: 0 auto;
  line-height: 1.5;
}

/* ─── FOOTER (standard company 4-col) ─── */
footer {
  background: var(--ink);
  color: var(--paper);
  padding: 80px 36px 32px;
  position: relative; z-index: 2;
}
.footer-frame.standard {
  max-width: 1200px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.footer-col .footer-brand {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.6px;
  text-transform: uppercase; font-weight: 700;
  color: var(--paper);
  margin-bottom: 14px;
}
.footer-col .footer-brand .footer-dot {
  width: 5px; height: 5px;
  background: var(--gold-2); border-radius: 50%;
}
.footer-col .footer-blurb {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px; line-height: 1.6;
  color: rgba(236, 229, 210, 0.65);
  max-width: 280px;
}
.footer-col .footer-heading {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--gold-2);
  margin-bottom: 14px;
  font-weight: 700;
}
.footer-col .footer-list {
  list-style: none; display: grid; gap: 7px;
}
.footer-col .footer-list li {
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(236, 229, 210, 0.78);
}
.footer-col .footer-list a {
  color: rgba(236, 229, 210, 0.78);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col .footer-list a:hover { color: var(--gold-2); }
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 60px; padding-top: 24px;
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.5px;
  color: rgba(236, 229, 210, 0.5);
  text-transform: uppercase;
}

/* ─── REVEAL ANIMATIONS ─── */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 1.4s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 1.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.15s; }
.reveal.delay-2 { transition-delay: 0.30s; }
.reveal.delay-3 { transition-delay: 0.45s; }
.reveal.delay-4 { transition-delay: 0.60s; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .nav { padding: 14px 18px; }
  .nav .links { display: none; }
  .section-frame, .movement-frame, .cohort-frame, .numbers-frame, .tenets-frame {
    padding: 80px 24px;
  }
  .twelve-grid { grid-template-columns: repeat(2, 1fr); }
  .movement-frame, .cohort-grid, .stat-grid, .tenet-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-frame.standard { grid-template-columns: 1fr; gap: 36px; }
  .industries-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 30px; }
  .contact-frame { grid-template-columns: 1fr; gap: 30px; }
  .hero-cta { flex-direction: column; width: 100%; max-width: 320px; }
  .btn-primary, .btn-secondary { text-align: center; }
  .footer-bottom { flex-direction: column; gap: 8px; align-items: flex-start; }
  .movement-mark .ring.r1 { width: 360px; height: 360px; }
  .movement-mark .ring.r2 { width: 460px; height: 460px; }
}
@media (prefers-reduced-motion: reduce) {
  .brain-svg path, .wordmark .char, .reveal {
    animation-duration: 0.01s !important;
    transition-duration: 0.01s !important;
  }
  .scroll-cue::after, .movement-mark .ring { animation: none; }
}