/* ============================================================
   BİLİM VE FİTNESS — tokens
============================================================ */
:root {
  --bg: #08090C;
  --card: #12151C;
  --card-border: #1e232e;
  --accent: #00E5FF;
  --accent-glow: 0 0 15px rgba(0, 229, 255, 0.4);
  --accent-glow-lg: 0 0 32px rgba(0, 229, 255, 0.35);
  --amber: #FFB703;
  --text: #E2E8F0;
  --text-dim: #8892A3;
  --heading: #FFFFFF;

  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --scroll-h: 900vh;
  --side-zone: 40vw;
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--heading);
  font-family: var(--font-display);
  margin: 0;
  font-weight: 700;
}

p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--accent); color: #001014; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ============================================================
   LOADER
============================================================ */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}
#loader.loader-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--heading);
}
.loader-brand span { color: var(--accent); margin: 0 0.05em; }
#loader-bar-track {
  width: min(280px, 60vw);
  height: 2px;
  background: var(--card-border);
  position: relative;
}
#loader-bar {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0%;
  background: var(--accent);
  box-shadow: var(--accent-glow);
  transition: width 0.2s ease-out;
}
#loader-percent {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

/* ============================================================
   HEADER
============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 1.6rem clamp(1.25rem, 4vw, 3rem);
}
.site-header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.1em;
  color: var(--heading);
}
.logo span { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2.4rem;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
  transition: color 0.25s ease;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 0.6rem 1.2rem;
  border-radius: 2px;
  box-shadow: var(--accent-glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: var(--accent-glow-lg); }

@media (max-width: 768px) {
  .nav-links { display: none; }
}

/* ============================================================
   HERO
============================================================ */
.hero-standalone {
  position: relative;
  z-index: 20;
  height: 100vh;
  width: 100%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(1.5rem, 6vw, 6vw);
}
.kinetic-grid-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 50vw;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-inner .section-label {
  display: inline-block;
  margin-bottom: 1.6rem;
}
.hero-heading {
  width: 100%;
  font-size: clamp(3.6rem, 11.5vw, 10.5rem);
  line-height: 0.96;
  letter-spacing: -0.01em;
}
.heading-line {
  display: block;
  overflow: hidden;
  padding: 0 0.05em;
}
.heading-line .char {
  display: inline-block;
  will-change: transform, filter, opacity;
}
.heading-line .char.is-space { width: 0.28em; }
.hero-tagline {
  margin-top: 1.8rem;
  max-width: 34ch;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  color: var(--text);
  font-weight: 400;
}
.hero-meta {
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  margin-top: 2.6rem;
  flex-wrap: wrap;
}
.hero-meta-item {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-meta-item .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: var(--accent-glow);
}

.scroll-indicator {
  position: absolute;
  z-index: 1;
  bottom: 2.6rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

@media (max-width: 768px) {
  .hero-inner { max-width: 100%; }
  .hero-heading { font-size: clamp(2.8rem, 16vw, 5.4rem); }
}

/* ============================================================
   SECTION LABEL / BADGE (shared)
============================================================ */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}
.badge {
  display: block;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  background: rgba(255, 183, 3, 0.1);
  border: 1px solid rgba(255, 183, 3, 0.35);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.2rem;
}

/* ============================================================
   CANVAS / HUD / OVERLAY
============================================================ */
.canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 10;
  clip-path: circle(0% at 50% 50%);
  will-change: clip-path;
}
#canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.hud-frame {
  position: absolute;
  inset: clamp(1.5rem, 4vw, 3.5rem);
  pointer-events: none;
}
.hud-corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1.5px solid rgba(0, 229, 255, 0.55);
  filter: drop-shadow(0 0 4px rgba(0, 229, 255, 0.4));
}
.hud-corner.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.hud-corner.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.hud-corner.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.hud-corner.br { bottom: 0; right: 0; border-left: none; border-top: none; }

#dark-overlay {
  position: fixed;
  inset: 0;
  z-index: 15;
  background: #05060a;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}

/* ============================================================
   MARQUEE
============================================================ */
.marquee-wrap {
  position: fixed;
  top: 50%;
  left: 0;
  width: 100%;
  z-index: 12;
  transform: translateY(-50%);
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.marquee-wrap.marquee-visible { opacity: 1; }
.marquee-text {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12vw;
  letter-spacing: 0.01em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 229, 255, 0.28);
}

/* ============================================================
   SCROLL CONTAINER + SECTIONS
============================================================ */
#scroll-container {
  position: relative;
  height: var(--scroll-h);
  z-index: 30;
}
.scroll-section {
  position: absolute;
  left: 0;
  width: 100%;
  opacity: 0;
}
.section-inner { max-width: var(--side-zone); }

/* Beta bookends the hero: same solid background, same kinetic-grid treatment,
   full-screen height — so the journey reads as one closed whole. */
#beta {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5vw;
  box-sizing: border-box;
}
#beta .section-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  margin: 0 auto;
  box-shadow: 0 0 90px rgba(0, 229, 255, 0.16), 0 0 200px rgba(0, 229, 255, 0.08), 0 30px 70px rgba(0, 0, 0, 0.5);
}
#beta .badge { margin-left: auto; margin-right: auto; }
#beta .section-body { margin-left: auto; margin-right: auto; }
#beta .beta-form { max-width: 560px; margin-left: auto; margin-right: auto; }
@media (min-width: 901px) {
  #uygulama .section-inner {
    max-width: 24vw;
    box-sizing: border-box;
    background: var(--card);
    border: 1px solid var(--card-border);
    padding: 2.4rem;
  }
  #beta .section-inner {
    max-width: 640px;
    box-sizing: border-box;
    background: var(--card);
    border: 1px solid var(--card-border);
    padding: 3rem 3.4rem;
  }
}

.align-left { padding-left: clamp(1.5rem, 6vw, 6vw); padding-right: 55vw; }
.align-right { padding-left: 55vw; padding-right: clamp(1.5rem, 6vw, 6vw); }

.section-heading {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.08;
  margin-top: 0.8rem;
}
.section-body {
  margin-top: 1.2rem;
  color: var(--text);
  font-size: 1.02rem;
  max-width: 42ch;
  text-shadow: 0 2px 16px rgba(5, 6, 10, 0.85), 0 1px 3px rgba(5, 6, 10, 0.9);
}

/* --- theory cards --- */
.theory-cards {
  margin-top: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.theory-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-left: 2px solid var(--accent);
  padding: 1.3rem 1.5rem;
  position: relative;
}
.card-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.theory-card h3 {
  font-size: 1.15rem;
  margin-top: 0.5rem;
}
.theory-card p {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.theory-book-cta {
  display: inline-block;
  margin-top: 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  padding-bottom: 0.2rem;
  transition: border-color 0.25s ease, text-shadow 0.25s ease;
}
.theory-book-cta:hover {
  border-color: var(--accent);
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.6);
}

/* --- feature list --- */
.feature-list {
  margin-top: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.feature-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.feature-icon {
  color: var(--accent);
  font-size: 0.8rem;
  margin-top: 0.35rem;
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
}
.feature-list h4 {
  font-size: 1.05rem;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--heading);
}
.feature-list p {
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  text-shadow: 0 2px 16px rgba(5, 6, 10, 0.85), 0 1px 3px rgba(5, 6, 10, 0.9);
}
.feature-list h4 { text-shadow: 0 2px 16px rgba(5, 6, 10, 0.85); }

/* --- book content showcase: 3D tilted column wall --- */
.section-showcase {
  z-index: 40;
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 0;
  box-sizing: border-box;
  gap: 1.6rem;
}
.showcase-inner {
  text-align: center;
  max-width: 46ch;
  padding: 0 5vw;
}
.showcase-inner .badge { margin: 0 auto 1.2rem; }
.showcase-inner .section-body {
  margin-top: 1rem;
  color: var(--text);
}
.showcase-inner .section-label { display: inline-block; margin-bottom: 1rem; }
.showcase-inner .section-heading { margin-top: 0; }

.book-wall {
  position: relative;
  width: 100%;
  height: 74vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.book-wall-inner {
  display: flex;
  flex-direction: row;
  gap: 1.2rem;
  transform: translateZ(-100px) rotateX(18deg) rotateY(-10deg) rotateZ(12deg);
  transform-style: preserve-3d;
}
.book-col {
  width: 220px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  animation: book-col-scroll 22s linear infinite;
}
.book-col.reverse { animation-direction: reverse; }
.book-wall:hover .book-col { animation-play-state: paused; }
@keyframes book-col-scroll {
  from { transform: translateY(0); }
  to { transform: translateY(-50%); }
}

.wall-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1.3rem;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.45);
}
.wall-card-icon { font-size: 1.4rem; line-height: 1; }
.wall-card h4 {
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  color: var(--heading);
  line-height: 1.3;
}
.wall-card p {
  margin-top: 0.45rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.45;
}

.wall-fade { position: absolute; pointer-events: none; }
.wall-fade-top { top: 0; left: 0; right: 0; height: 18%; background: linear-gradient(to bottom, var(--bg), transparent); }
.wall-fade-bottom { bottom: 0; left: 0; right: 0; height: 18%; background: linear-gradient(to top, var(--bg), transparent); }
.wall-fade-left { top: 0; left: 0; bottom: 0; width: 10%; background: linear-gradient(to right, var(--bg), transparent); }
.wall-fade-right { top: 0; right: 0; bottom: 0; width: 10%; background: linear-gradient(to left, var(--bg), transparent); }

/* --- team: horizontal single-row marquee --- */
.team-marquee {
  position: relative;
  margin-top: 2.8rem;
  width: 100%;
  max-width: 1100px;
  overflow: hidden;
}
.team-track {
  display: flex;
  align-items: flex-end;
  gap: 1.5rem;
  width: fit-content;
  animation: team-scroll 32s linear infinite;
}
.team-marquee:hover .team-track { animation-play-state: paused; }
@keyframes team-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 0.75rem)); }
}
.team-tile {
  position: relative;
  flex-shrink: 0;
  width: 287.5px;
  height: 375px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--card-border);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.4);
}
.team-tile-visual {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: color 0.4s ease, background 0.4s ease;
  background: radial-gradient(circle at 50% 30%, rgba(0, 229, 255, 0.06), transparent 70%);
}
.team-tile-visual svg {
  width: 44%;
  height: 44%;
  max-width: 88px;
  max-height: 88px;
}
.team-tile:hover .team-tile-visual {
  color: var(--accent);
  background: radial-gradient(circle at 50% 30%, rgba(0, 229, 255, 0.16), transparent 70%);
}
.team-tile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(1) brightness(0.85);
  transition: filter 0.4s ease;
}
.team-tile:hover .team-tile-photo {
  filter: grayscale(0) brightness(1);
}
.team-tile-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1rem;
  text-align: left;
  background: rgba(8, 9, 12, 0.88);
  backdrop-filter: blur(4px);
  border-top: 1px solid var(--card-border);
}
.team-tile-caption h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--heading);
  line-height: 1.3;
}
.team-tile-caption p {
  margin-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
}

.team-fade { position: absolute; top: 0; bottom: 0; width: 12%; pointer-events: none; }
.team-fade-left { left: 0; background: linear-gradient(to right, var(--bg), transparent); }
.team-fade-right { right: 0; background: linear-gradient(to left, var(--bg), transparent); }

@media (max-width: 768px) {
  .section-showcase { padding: 2.5rem 0; }
  .book-wall { height: 62vh; }
  .book-col { width: 165px; }
  .team-tile { width: 225px; height: 300px; }
  .team-tile-visual svg { max-width: 64px; max-height: 64px; }
}

/* --- phone mockup (signature element) --- */
.app-mockup {
  position: absolute;
  right: clamp(1.5rem, 5vw, 5vw);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}
.phone-frame {
  width: 210px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 0.9rem 0.9rem 1.2rem;
  box-shadow: 0 0 0 1px rgba(0,229,255,0.08), 0 25px 60px rgba(0,0,0,0.55), var(--accent-glow);
}
.phone-notch {
  width: 46px; height: 5px;
  background: #060709;
  border-radius: 4px;
  margin: 0 auto 0.9rem;
}
.phone-screen { display: flex; flex-direction: column; gap: 0.8rem; }
.phone-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}
.phone-metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
}
.phone-metric span { font-size: 0.62rem; color: var(--text-dim); }
.phone-metric strong { font-size: 0.85rem; color: var(--accent); }
.phone-metric.small strong { color: var(--heading); font-size: 0.7rem; }
.phone-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 60px;
}
.phone-bars span {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, var(--accent), rgba(0,229,255,0.15));
  border-radius: 2px 2px 0 0;
}

@media (max-width: 900px) {
  .app-mockup { display: none; }
}

/* ============================================================
   STATS
============================================================ */
.section-stats {
  z-index: 40;
}
.stats-grid {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: clamp(2.5rem, 6vw, 7rem);
  flex-wrap: wrap;
  text-align: center;
  padding: 0 5vw;
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 7vw, 5.5rem);
  color: var(--heading);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--accent);
  margin-left: 0.2rem;
}
.stat-label {
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ============================================================
   BETA FORM
============================================================ */
.beta-form { margin-top: 2.2rem; }
.form-row {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}
#beta-email {
  flex: 1 1 220px;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--card-border);
  color: var(--heading);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.95rem 1.1rem;
  border-radius: 2px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
#beta-email::placeholder { color: var(--text-dim); }
#beta-email:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--accent-glow);
}
.beta-form button {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  border: none;
  padding: 0.95rem 1.6rem;
  border-radius: 2px;
  cursor: pointer;
  box-shadow: var(--accent-glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}
.beta-form button:hover { transform: translateY(-1px); box-shadow: var(--accent-glow-lg); }
.beta-form button:active { transform: translateY(0); }
.beta-form.is-submitted #beta-email,
.beta-form.is-submitted button { opacity: 0.5; pointer-events: none; }
.form-note {
  margin-top: 0.9rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-shadow: 0 2px 16px rgba(5, 6, 10, 0.85), 0 1px 3px rgba(5, 6, 10, 0.9);
}
.form-note.is-success { color: var(--accent); }
.form-note.is-error { color: #ff6b6b; }

@media (max-width: 768px) {
  .form-row { flex-direction: column; }
}

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
  position: relative;
  z-index: 50;
  background: var(--bg);
  padding: 1.6rem clamp(1.25rem, 4vw, 3rem);
  display: flex;
  gap: 0.7rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}
.footer-dot { color: var(--accent); }

/* ============================================================
   RESPONSIVE — mobile side-zone collapse
============================================================ */
@media (max-width: 768px) {
  :root { --scroll-h: 720vh; }

  .align-left, .align-right {
    padding-left: 6vw;
    padding-right: 6vw;
  }
  .section-inner {
    max-width: 100%;
    background: rgba(8, 9, 12, 0.82);
    backdrop-filter: blur(6px);
    padding: 1.6rem;
    border: 1px solid var(--card-border);
  }
  .section-heading { font-size: clamp(1.8rem, 8vw, 2.6rem); }
  .marquee-text { font-size: 18vw; }
  .stats-grid { gap: 2.2rem; }
  .book-marquee { height: 230px; }
}

/* ============================================================
   REDUCED MOTION
============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .scroll-indicator { animation: none; }
  /* Book wall / team marquee: slow, contained, user-requested — kept alive under reduced-motion. */
  .book-col { animation-duration: 22s !important; animation-iteration-count: infinite !important; }
  .team-track { animation-duration: 32s !important; animation-iteration-count: infinite !important; }
}