/* AgentBrain — Apple-inspired minimalist */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --bg-dark: #000000;
  --fg: #1d1d1f;
  --fg-soft: #6e6e73;
  --fg-mute: #86868b;
  --line: rgba(0,0,0,0.08);
  --line-strong: rgba(0,0,0,0.14);
  --accent: #0066ff;
  --max: 1200px;
  --max-narrow: 980px;
  --pad: clamp(20px, 4vw, 40px);
  --font: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Geist", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

body.dark {
  --bg: #000000;
  --bg-alt: #0a0a0a;
  --fg: #f5f5f7;
  --fg-soft: #a1a1a6;
  --fg-mute: #6e6e73;
  --line: rgba(255,255,255,0.10);
  --line-strong: rgba(255,255,255,0.18);
}

/* Typography scale — Apple-like */
.eyebrow {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--fg-soft);
  text-transform: none;
}

.display {
  font-size: clamp(44px, 7.6vw, 104px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.headline {
  font-size: clamp(36px, 5.2vw, 72px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.subhead {
  font-size: clamp(28px, 3.6vw, 48px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.lede {
  font-size: clamp(19px, 1.8vw, 24px);
  font-weight: 400;
  line-height: 1.4;
  color: var(--fg-soft);
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.body-text {
  font-size: clamp(17px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--fg-soft);
  text-wrap: pretty;
}

.caps {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: inherit;
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.005em;
  padding: 12px 22px;
  border-radius: 980px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .25s cubic-bezier(.2,.7,.2,1), background .25s, color .25s, opacity .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }

.btn-primary { background: var(--fg); color: var(--bg); }
.btn-primary:hover { opacity: .88; }

.btn-secondary { background: transparent; color: var(--fg); border-color: var(--line-strong); }
.btn-secondary:hover { background: var(--bg-alt); }

.btn-link {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--accent); font-weight: 500; text-decoration: none; font-size: 17px;
  transition: gap .2s;
}
.btn-link:hover { gap: 8px; }
.btn-link .arr { display:inline-block; transition: transform .2s; }
.btn-link:hover .arr { transform: translateX(2px); }

body.dark .btn-link { color: #2997ff; }

/* Layout */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.container-narrow {
  max-width: var(--max-narrow);
  margin: 0 auto;
  padding: 0 var(--pad);
}

section { position: relative; }

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
.reveal-delay-4 { transition-delay: .32s; }

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 52px;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255,255,255,0.72);
  border-bottom: 1px solid var(--line);
  transition: background .3s, border-color .3s;
}
body.dark .nav { background: rgba(0,0,0,0.72); }

.nav-inner {
  width: 100%; max-width: 1100px;
  padding: 0 var(--pad);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 8px; font-weight: 500; font-size: 17px; letter-spacing: -0.01em; color: var(--fg); text-decoration: none; }
.nav-brand .logo { width: 22px; height: 22px; }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--fg); font-size: 13px; font-weight: 400; opacity: .85; text-decoration: none; transition: opacity .2s; letter-spacing: -0.005em; }
.nav-links a:hover { opacity: 1; }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  display: inline-flex; background: transparent; border: 1px solid var(--line-strong);
  border-radius: 980px; padding: 2px; font-size: 11px; font-weight: 500;
}
.lang-toggle button {
  border: 0; background: transparent; padding: 4px 10px; border-radius: 980px; cursor: pointer;
  color: var(--fg-soft); font: inherit; transition: all .2s;
}
.lang-toggle button.on { background: var(--fg); color: var(--bg); }

@media (max-width: 760px) {
  .nav-links { display: none; }
}

/* Sections */
.section-pad { padding: clamp(80px, 12vw, 160px) 0; }
.section-pad-sm { padding: clamp(60px, 8vw, 120px) 0; }

.section-dark {
  background: #000;
  color: #f5f5f7;
}
.section-dark .body-text, .section-dark .lede { color: #a1a1a6; }
.section-dark .caps { color: #6e6e73; }
.section-dark .btn-secondary { color: #f5f5f7; border-color: rgba(255,255,255,0.2); }
.section-dark .btn-secondary:hover { background: rgba(255,255,255,0.06); }
.section-dark .btn-primary { background: #f5f5f7; color: #000; }
.section-dark .btn-link { color: #2997ff; }

.section-alt { background: var(--bg-alt); }

/* Cards */
.card {
  background: var(--bg);
  border-radius: 22px;
  padding: clamp(28px, 3vw, 44px);
  border: 1px solid var(--line);
  transition: transform .4s cubic-bezier(.2,.7,.2,1), box-shadow .4s;
}
.card:hover { transform: translateY(-2px); }

.section-dark .card { background: #0e0e10; border-color: rgba(255,255,255,0.08); }
.section-alt .card { background: #fff; }

/* Footer */
.footer { background: var(--bg-alt); padding: 40px 0; border-top: 1px solid var(--line); font-size: 12px; color: var(--fg-soft); }
.footer a { color: var(--fg-soft); text-decoration: none; margin-right: 22px; }
.footer a:hover { color: var(--fg); }
.footer-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

body.dark .footer { background: #0a0a0a; }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding-top: 80px;
}
.hero-canvas {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 980px;
  padding: 0 var(--pad);
}
.hero-eyebrow {
  display: inline-block;
  font-size: 14px; font-weight: 500;
  color: var(--fg-soft); margin-bottom: 18px;
  letter-spacing: -0.005em;
}
.hero h1 { margin-bottom: 22px; }
.hero-lede { max-width: 680px; margin: 0 auto 40px; }
.hero-ctas { display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  font-size: 11px; color: var(--fg-mute); letter-spacing: 0.1em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  z-index: 2;
}
.hero-scroll .line { width: 1px; height: 32px; background: var(--fg-mute); animation: scrollPulse 2.4s ease-in-out infinite; transform-origin: top; }
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.3); opacity: .3; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* Pinned section */
.pinned {
  height: 400vh;
  position: relative;
}
.pinned-stage {
  position: sticky; top: 0;
  height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

/* Architecture tiers list */
.tier-row {
  display: grid;
  grid-template-columns: 60px 1fr 1.4fr;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.tier-row:last-child { border-bottom: 1px solid var(--line); }
.tier-num { font-size: 14px; color: var(--fg-mute); font-variant-numeric: tabular-nums; }
.tier-name { font-size: clamp(20px, 2vw, 26px); font-weight: 600; letter-spacing: -0.02em; }
.tier-desc { font-size: 16px; line-height: 1.5; color: var(--fg-soft); }

@media (max-width: 760px) {
  .tier-row { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
}

/* Use case grid */
.uc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 760px) { .uc-grid { grid-template-columns: 1fr; } }
.uc-card {
  background: var(--bg-alt);
  border-radius: 24px;
  padding: 44px;
  min-height: 340px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.uc-card:hover { transform: translateY(-3px); }
.uc-card .uc-vis { position: absolute; top: 24px; right: 24px; opacity: .85; }
.uc-card h3 { font-size: 28px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 12px; line-height: 1.1; }
.uc-card p { color: var(--fg-soft); font-size: 16px; line-height: 1.5; }

body.dark .uc-card { background: #0a0a0a; border: 1px solid rgba(255,255,255,0.06); }

/* Principles */
.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px 80px;
}
@media (max-width: 760px) { .principle-grid { grid-template-columns: 1fr; gap: 40px; } }
.principle-num {
  font-size: 13px; color: var(--fg-mute); margin-bottom: 14px; letter-spacing: 0.06em; font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.principle h3 { font-size: clamp(22px, 2.4vw, 30px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 14px; }
.principle p { color: var(--fg-soft); font-size: 17px; line-height: 1.5; }

/* Bullet list */
.bullet-list { list-style: none; padding: 0; }
.bullet-list li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
  display: flex; align-items: baseline; gap: 20px;
  line-height: 1.3;
}
.bullet-list li:last-child { border-bottom: 1px solid var(--line); }
.bullet-list .num { font-size: 12px; color: var(--fg-mute); font-variant-numeric: tabular-nums; flex-shrink: 0; min-width: 28px; }

/* Trust section list */
.discipline-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  margin-top: 60px;
}
.discipline-grid > div {
  background: var(--bg);
  padding: 32px 24px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--fg);
}
.discipline-grid .label { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-mute); margin-bottom: 12px; font-weight: 500; }
@media (max-width: 900px) { .discipline-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .discipline-grid { grid-template-columns: 1fr; } }

body.dark .discipline-grid > div { background: var(--bg); }

/* Sticky-feature display */
.feature-stage {
  position: relative;
  height: 600vh;
}
.feature-stage-pin {
  position: sticky; top: 0;
  height: 100vh;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  overflow: hidden;
}
@media (max-width: 900px) {
  .feature-stage { height: auto; }
  .feature-stage-pin { position: static; height: auto; grid-template-columns: 1fr; padding: 60px 0; }
}
.feature-text-col { padding: 0 var(--pad); }
.feature-text-col .feat {
  position: absolute; opacity: 0; transform: translateY(20px);
  transition: opacity .5s, transform .5s;
  max-width: 480px;
}
.feature-text-col .feat.on { opacity: 1; transform: none; position: relative; }
.feature-text-col .feat h3 { font-size: clamp(34px, 4vw, 56px); font-weight: 600; letter-spacing: -0.025em; line-height: 1.05; margin-bottom: 20px; text-wrap: balance; }
.feature-text-col .feat p { color: var(--fg-soft); font-size: 19px; line-height: 1.5; }
.feature-text-col .feat .fnum { font-size: 12px; color: var(--fg-mute); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; font-weight: 500; }

.feature-vis-col {
  position: relative; height: 70vh; display: flex; align-items: center; justify-content: center;
}

/* Closing big text */
.big-statement {
  font-size: clamp(36px, 5.6vw, 80px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-wrap: balance;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

/* Section header common */
.s-header { text-align: center; margin-bottom: 80px; }
.s-header .eyebrow { margin-bottom: 18px; }

/* Imagery */
.image-band {
  width: 100%;
  height: clamp(320px, 60vh, 720px);
  overflow: hidden;
  position: relative;
  background: #000;
}
.image-band img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: grayscale(100%) contrast(1.05);
  transform: scale(1.06);
  transition: transform 1.6s cubic-bezier(.2,.7,.2,1), opacity 1.2s;
  opacity: 0;
}
.image-band.in img { transform: scale(1); opacity: 1; }
.image-band .caption {
  position: absolute; left: var(--pad); bottom: 32px;
  color: rgba(255,255,255,0.85); font-size: 13px; letter-spacing: -0.005em;
  max-width: 480px; line-height: 1.4;
  text-shadow: 0 1px 20px rgba(0,0,0,0.4);
}
.image-band .caption .eyebrow-w {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.6); margin-bottom: 8px; display: block;
}

/* Use case card imagery */
.uc-card { padding: 0 !important; min-height: 0 !important; }
.uc-card .uc-img {
  width: 100%; aspect-ratio: 16/10; overflow: hidden; background: #1a1a1a;
}
.uc-card .uc-img img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  transition: transform 1.2s cubic-bezier(.2,.7,.2,1);
}
.uc-card:hover .uc-img img { transform: scale(1.04); }
.uc-card .uc-body { padding: 36px 40px 40px; }
.uc-card .uc-body h3 { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 10px; line-height: 1.15; }
.uc-card .uc-body p { color: var(--fg-soft); font-size: 16px; line-height: 1.5; }
.uc-card .uc-meta { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-mute); margin-bottom: 14px; font-weight: 500; }

/* Full-bleed imagery section */
.bleed-section {
  position: relative;
  min-height: 80vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  color: #fff;
}
.bleed-section .bg {
  position: absolute; inset: 0; z-index: 0;
}
.bleed-section .bg img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.7) contrast(1.15) saturate(1.1);
}
.bleed-section .bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.5) 100%);
}
.network-overlay {
  position: absolute; inset: 0; z-index: 1;
  width: 100%; height: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
}
.bleed-section .bleed-content { z-index: 2 !important; }
.bleed-section .bleed-content {
  position: relative; z-index: 1; text-align: center; padding: 80px var(--pad);
}

/* Marquee logos placeholder */
.marquee-strip {
  display: flex; gap: 64px; align-items: center;
  opacity: .5;
  font-size: 18px; font-weight: 500; letter-spacing: -0.01em;
  color: var(--fg-soft);
}

/* Tweaks panel custom shells handled by starter */

/* SVG circle fill animation helpers */
.brain-svg circle, .brain-svg path { transition: opacity .6s; }

/* Selection */
::selection { background: var(--fg); color: var(--bg); }

/* Make sticky behave nicely */
/* Mobile menu */
.nav-burger {
  display: none;
  background: transparent; border: 1px solid var(--line-strong);
  width: 36px; height: 32px; border-radius: 8px;
  padding: 0; cursor: pointer; align-items: center; justify-content: center;
  color: var(--fg);
}
.burger { display: inline-flex; flex-direction: column; gap: 4px; width: 14px; }
.burger i {
  display: block; height: 1.5px; width: 14px; background: currentColor;
  transition: transform .3s, opacity .3s;
}
.burger.open i:nth-child(1) { transform: translateY(2.75px) rotate(45deg); }
.burger.open i:nth-child(2) { transform: translateY(-2.75px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: 48px; left: 0; right: 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
  max-height: 0; overflow: hidden;
  transition: max-height .4s cubic-bezier(.2,.7,.2,1);
}
body.dark .mobile-menu { background: rgba(0,0,0,0.96); }
.mobile-menu.open { max-height: 80vh; }
.mobile-menu-inner { padding: 16px 22px 28px; display: flex; flex-direction: column; }
.mobile-menu-inner a {
  font-size: 22px; font-weight: 500; letter-spacing: -0.02em;
  color: var(--fg); text-decoration: none;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.mobile-menu-inner a:last-child { border-bottom: 0; }

@media (max-width: 760px) {
  .nav-burger { display: inline-flex; }
  .nav-links { display: none; }
}
@media (min-width: 761px) {
  .mobile-menu { display: none; }
}

@supports not (backdrop-filter: blur(1px)) {
  .nav { background: rgba(255,255,255,0.95); }
  body.dark .nav { background: rgba(0,0,0,0.95); }
}

/* ============================================
   Mobile optimization
   ============================================ */
@media (max-width: 760px) {
  :root { --pad: 22px; }

  body { font-size: 16px; }

  /* Tighter type scale on mobile */
  .display { font-size: clamp(40px, 11vw, 56px); line-height: 1.04; }
  .headline { font-size: clamp(30px, 8vw, 44px); line-height: 1.08; }
  .subhead { font-size: clamp(24px, 6.5vw, 32px); line-height: 1.15; }
  .lede { font-size: 17px; line-height: 1.45; }
  .body-text { font-size: 16px; line-height: 1.55; }
  .big-statement { font-size: clamp(30px, 8vw, 44px); line-height: 1.1; }

  /* Section padding */
  .section-pad { padding: 72px 0; }
  .section-pad-sm { padding: 56px 0; }

  /* Nav */
  .nav { height: 48px; }
  .nav-brand { font-size: 15px; }
  .nav-brand .logo { width: 20px; height: 20px; }
  .nav-actions { gap: 8px; }
  .lang-toggle button { padding: 4px 8px; font-size: 11px; }

  /* Hero */
  .hero { min-height: 92vh; padding-top: 80px; padding-bottom: 60px; }
  .hero-content { padding: 0 22px; }
  .hero-eyebrow { font-size: 13px; margin-bottom: 14px; }
  .hero-lede { font-size: 17px; margin-bottom: 28px; }
  .hero-ctas { gap: 10px; width: 100%; }
  .hero-ctas .btn { flex: 1; justify-content: center; min-width: 0; }
  .hero-scroll { display: none; }

  /* Buttons */
  .btn { font-size: 15px; padding: 12px 20px; }

  /* Tier rows */
  .tier-row { grid-template-columns: 1fr !important; gap: 6px !important; padding: 22px 0 !important; }
  .tier-num { font-size: 12px; }
  .tier-name { font-size: 22px; }
  .tier-desc { font-size: 15px; }

  /* Use case grid */
  .uc-grid { grid-template-columns: 1fr !important; gap: 14px; }
  .uc-card .uc-img { aspect-ratio: 16/11; }
  .uc-card .uc-body { padding: 26px 26px 30px; }
  .uc-card .uc-body h3 { font-size: 22px; }
  .uc-card .uc-body p { font-size: 15px; }

  /* Principles */
  .principle-grid { grid-template-columns: 1fr !important; gap: 36px !important; }
  .principle h3 { font-size: 22px; }
  .principle p { font-size: 16px; }

  /* Bullet list */
  .bullet-list li { font-size: 18px; padding: 16px 0; gap: 14px; line-height: 1.3; }
  .bullet-list .num { min-width: 22px; font-size: 11px; }

  /* Discipline grid */
  .discipline-grid { grid-template-columns: 1fr !important; margin-top: 40px; }
  .discipline-grid > div { padding: 24px 22px; font-size: 15px; }

  /* Image bands */
  .image-band { height: 50vh; min-height: 280px; }
  .image-band .caption { left: 22px; right: 22px; bottom: 22px; font-size: 12px; max-width: none; }
  .image-band .caption .eyebrow-w { font-size: 10px; }

  /* Bleed section */
  .bleed-section { min-height: 70vh; }
  .bleed-section .bleed-content { padding: 60px 22px; }

  /* Footer */
  .footer { padding: 32px 0; font-size: 11px; }
  .footer-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer a { margin-right: 16px; display: inline-block; margin-bottom: 4px; }

  /* S-headers */
  .s-header { margin-bottom: 48px !important; }

  /* Tweaks panel — keep readable on mobile */
}

@media (max-width: 420px) {
  .display { font-size: 38px; }
  .headline { font-size: 28px; }
  .nav-actions { gap: 6px; }
  .lang-toggle button { padding: 3px 7px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; }
}

/* Contact form — mobile collapse */
@media (max-width: 600px) {
  form > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
}

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-scroll .line { animation: none; }
  .image-band img { transform: none !important; opacity: 1 !important; transition: none !important; }
}