/* ============================================================
   SwipeTrack — Premium Landing
   Design: dark, cinematic, App Store editorial.
   ============================================================ */

:root {
  --bg-0: #0d0a05;
  --bg-1: #130f07;
  --bg-2: #1a1409;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #f4f5f8;
  --text-dim: #a4a9b8;
  --text-mute: #6b7184;

  --accent: #f07c1a;          /* warm orange */
  --accent-2: #f5c233;         /* yellow-gold */
  --accent-3: #d4954a;         /* amber */
  --accent-4: #c97b3a;         /* burnt orange */

  --grad-hero: radial-gradient(1200px 600px at 70% -10%, rgba(240, 124, 26, 0.25), transparent 60%),
               radial-gradient(900px 600px at 10% 20%, rgba(201, 123, 58, 0.18), transparent 55%),
               radial-gradient(700px 500px at 50% 90%, rgba(245, 194, 51, 0.10), transparent 60%);

  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(240, 124, 26, 0.35), 0 18px 60px rgba(240, 124, 26, 0.25);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --maxw: 1200px;
}

/* ----- reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: rgba(255, 77, 90, 0.35); color: #fff; }

/* ----- noise + ambient layers ----- */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.6;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

/* ----- typography ----- */
h1, h2, h3, h4 {
  font-family: 'Inter', -apple-system, 'SF Pro Display', system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 0.4em;
}
h1 { font-size: clamp(2.6rem, 6vw, 5.5rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
p  { color: var(--text-dim); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(255, 77, 90, 0.35);
  border-radius: 999px;
  background: rgba(255, 77, 90, 0.08);
  backdrop-filter: blur(8px);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.gradient-text {
  background: linear-gradient(120deg, #fff 0%, #fff 35%, var(--accent) 65%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-dim { color: var(--text-dim); }
.text-mute { color: var(--text-mute); }
.center { text-align: center; }

/* ----- containers ----- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

section { position: relative; z-index: 2; padding: 120px 0; }
@media (max-width: 720px) { section { padding: 80px 0; } }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 8, 12, 0.7);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  border-bottom-color: var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  position: relative;
  box-shadow: 0 6px 18px rgba(255, 77, 90, 0.45);
  overflow: hidden;
}
.brand-mark::after {
  content: ''; position: absolute; inset: 6px;
  border-radius: 5px;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.85) 0 2px,
    transparent 2px 5px
  );
  opacity: 0.85;
}
.nav-links {
  display: flex; align-items: center; gap: 6px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-links a.active { color: var(--text); background: var(--surface-strong); }

.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px;
  border-radius: 999px;
  background: #fff; color: #0a0a0a;
  font-weight: 600; font-size: 0.9rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(255, 255, 255, 0.18); }

.nav-burger {
  display: none;
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  align-items: center; justify-content: center;
}
.nav-burger span {
  width: 16px; height: 2px;
  background: var(--text);
  position: relative;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-burger span::before, .nav-burger span::after {
  content: ''; position: absolute; left: 0;
  width: 16px; height: 2px; background: var(--text);
  transition: transform 0.3s var(--ease);
}
.nav-burger span::before { top: -6px; }
.nav-burger span::after  { top:  6px; }
.nav-burger.open span { background: transparent; }
.nav-burger.open span::before { transform: translateY(6px) rotate(45deg); }
.nav-burger.open span::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-burger { display: inline-flex; }
  .nav.menu-open .nav-links {
    display: flex;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(7, 8, 12, 0.96);
    backdrop-filter: blur(24px);
    border-top: 1px solid var(--border);
    padding: 16px 24px 24px;
  }
  .nav.menu-open .nav-links a { padding: 14px 12px; border-radius: 12px; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  padding: 160px 0 80px;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: var(--grad-hero);
  z-index: 1; pointer-events: none;
}
/* track lane backdrop */
.hero-track {
  position: absolute; left: 50%; top: 50%;
  width: 200vw; height: 200vw; max-width: 2400px; max-height: 2400px;
  border-radius: 50%;
  border: 1px solid rgba(255, 77, 90, 0.08);
  transform: translate(-50%, -10%) rotate(0deg);
  z-index: 0;
  pointer-events: none;
  background:
    repeating-conic-gradient(from 0deg,
      rgba(255, 77, 90, 0.03) 0deg 8deg,
      transparent 8deg 16deg);
  mask-image: radial-gradient(circle at center, black 30%, transparent 65%);
  -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 65%);
  animation: spin 80s linear infinite;
}
@keyframes spin { to { transform: translate(-50%, -10%) rotate(360deg); } }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
}

.hero h1 .line {
  display: block;
  overflow: hidden;
}
.hero h1 .line span {
  display: inline-block;
  transform: translateY(110%);
  animation: rise 1s var(--ease-out) forwards;
}
.hero h1 .line:nth-child(2) span { animation-delay: 0.1s; }
.hero h1 .line:nth-child(3) span { animation-delay: 0.2s; }
@keyframes rise { to { transform: translateY(0); } }

.hero-sub {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--text-dim);
  max-width: 540px;
  margin: 24px 0 32px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s var(--ease-out) 0.45s forwards;
}
@keyframes fadeUp { to { opacity: 1; transform: none; } }

.hero-cta {
  display: flex; gap: 14px; flex-wrap: wrap;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s var(--ease-out) 0.6s forwards;
}

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: #fff; color: #0a0a0a;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(255, 255, 255, 0.18); }
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 77, 90, 0.4), transparent);
  transform: translateX(-100%);
  transition: transform 0.7s var(--ease);
}
.btn-primary:hover::after { transform: translateX(100%); }

.btn-ghost {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: var(--surface-strong); transform: translateY(-2px); }

.app-store-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 12px 22px;
  background: #000;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 14px;
  color: #fff;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.app-store-btn:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.35); }
.app-store-btn .as-icon { width: 28px; height: 28px; }
.app-store-btn .as-text { display: flex; flex-direction: column; line-height: 1.1; }
.app-store-btn .as-small { font-size: 0.7rem; color: var(--text-dim); }
.app-store-btn .as-big { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
.app-store-btn .coming-pill {
  margin-left: 6px;
  font-size: 0.6rem;
  padding: 3px 7px;
  background: rgba(255,180,71,0.15);
  color: var(--accent-2);
  border: 1px solid rgba(255,180,71,0.3);
  border-radius: 999px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-meta {
  display: flex; gap: 28px; flex-wrap: wrap;
  margin-top: 40px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s var(--ease-out) 0.8s forwards;
}
.hero-meta .meta-item {
  display: flex; flex-direction: column;
}
.hero-meta .meta-num {
  font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-meta .meta-lbl { font-size: 0.78rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.14em; }

/* ----- hero phone mock ----- */
.phone-stage {
  position: relative;
  display: flex; justify-content: center; align-items: center;
  perspective: 1400px;
  opacity: 0;
  animation: phoneIn 1.4s var(--ease-out) 0.4s forwards;
}
@keyframes phoneIn {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: none; }
}
.phone {
  width: 320px;
  height: 650px;
  border-radius: 52px;
  background: linear-gradient(150deg, #1a1d27, #0a0c12);
  padding: 14px;
  position: relative;
  box-shadow:
    0 60px 120px rgba(0,0,0,0.6),
    0 0 0 1.5px rgba(255,255,255,0.08) inset,
    0 0 90px rgba(255, 77, 90, 0.25);
  transform: rotate(-5deg) rotateY(8deg);
  animation: float 8s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: rotate(-5deg) rotateY(8deg) translateY(0); }
  50%      { transform: rotate(-5deg) rotateY(8deg) translateY(-14px); }
}
.phone::before {
  content: ''; position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 100px; height: 26px; border-radius: 999px;
  background: #000;
  z-index: 3;
}
.phone-screen {
  width: 100%; height: 100%;
  border-radius: 40px;
  background: radial-gradient(ellipse at top, #1c2030 0%, #07090f 70%);
  overflow: hidden;
  position: relative;
}

/* in-phone scene: track + runner */
.mock-sky {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 77, 90, 0.35), transparent 55%),
    linear-gradient(180deg, #0d1422 0%, #07090f 70%);
}
.mock-track {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 60%;
  background: linear-gradient(180deg, transparent, rgba(255, 77, 90, 0.18) 30%, rgba(255, 77, 90, 0.45) 100%);
  perspective: 700px;
  overflow: hidden;
}
.mock-track::before, .mock-track::after {
  content: ''; position: absolute;
  left: -20%; right: -20%; bottom: 0; top: 0;
  background:
    repeating-linear-gradient(180deg,
      rgba(255,255,255,0.55) 0 30px,
      transparent 30px 70px);
  width: 4px;
  transform-origin: 50% 100%;
}
.mock-track::before { left: 35%; transform: rotateX(60deg) translateZ(0); animation: lane 1.6s linear infinite; }
.mock-track::after  { left: 63%; transform: rotateX(60deg) translateZ(0); animation: lane 1.6s linear infinite; }
@keyframes lane {
  from { background-position-y: 0; }
  to   { background-position-y: 100px; }
}
.mock-runner {
  position: absolute; left: 50%; bottom: 70px;
  width: 28px; height: 60px;
  border-radius: 12px 12px 8px 8px;
  background: linear-gradient(180deg, var(--accent-3), #16a34a);
  transform: translateX(-50%);
  box-shadow: 0 10px 24px rgba(74, 222, 128, 0.5);
  animation: bob 0.4s ease-in-out infinite;
}
.mock-runner::before, .mock-runner::after {
  content: ''; position: absolute;
  width: 8px; height: 22px; bottom: -16px;
  background: var(--accent-3);
  border-radius: 4px;
}
.mock-runner::before { left: 4px;  animation: legL 0.5s ease-in-out infinite; }
.mock-runner::after  { right: 4px; animation: legR 0.5s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateX(-50%) translateY(0);} 50% { transform: translateX(-50%) translateY(-4px);} }
@keyframes legL { 0%,100% { transform: rotate(20deg);} 50% { transform: rotate(-20deg);} }
@keyframes legR { 0%,100% { transform: rotate(-20deg);} 50% { transform: rotate(20deg);} }

.mock-hud {
  position: absolute; top: 60px; left: 18px; right: 18px;
  display: flex; flex-direction: column; gap: 12px;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  z-index: 2;
}
.mock-hud .timer {
  font-size: 1.8rem; font-weight: 700; letter-spacing: 0.05em;
  color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,0.6);
}
.mock-hud .pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  font-size: 0.7rem;
  color: var(--text-dim);
  width: fit-content;
}
.mock-hud .pill b { color: #fff; font-weight: 600; }

.mock-stamina {
  position: absolute; left: 18px; right: 18px; bottom: 18px;
  z-index: 2;
}
.mock-stamina .bar {
  height: 6px; border-radius: 999px;
  background: rgba(255,255,255,0.1);
  overflow: hidden;
}
.mock-stamina .fill {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--accent-3), var(--accent-2), var(--accent));
  width: 72%;
  animation: stam 4s ease-in-out infinite;
  border-radius: 999px;
}
@keyframes stam {
  0% { width: 90%; }
  60% { width: 50%; }
  100% { width: 90%; }
}
.mock-stamina .lbl { font-size: 0.65rem; color: var(--text-mute); letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 6px; }

/* tap halos */
.tap-halo {
  position: absolute;
  width: 80px; height: 80px;
  border: 2px solid rgba(255, 77, 90, 0.6);
  border-radius: 50%;
  animation: halo 1.6s var(--ease-out) infinite;
  pointer-events: none;
}
.tap-halo.left  { left: 30px;  bottom: 130px; animation-delay: 0s; }
.tap-halo.right { right: 30px; bottom: 130px; animation-delay: 0.8s; }
@keyframes halo {
  0% { transform: scale(0.4); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee {
  padding: 30px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  overflow: hidden;
  position: relative; z-index: 2;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.marquee-track {
  display: flex; gap: 60px;
  animation: marq 28s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.marquee-track span {
  font-size: 0.95rem;
  color: var(--text-mute);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 14px;
}
.marquee-track span::after {
  content: '●'; color: var(--accent); font-size: 0.5rem;
}
@keyframes marq { to { transform: translateX(-50%); } }

/* ============================================================
   FEATURES
   ============================================================ */
.section-head { max-width: 720px; margin: 0 auto 64px; text-align: center; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head p { font-size: 1.1rem; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 920px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  position: relative;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.feature-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 77, 90, 0.18), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.feature-card:hover::before { opacity: 1; }
.feature-card.large { grid-column: span 2; }
@media (max-width: 920px) { .feature-card.large { grid-column: span 1; } }

.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,77,90,0.25), rgba(255,180,71,0.15));
  border: 1px solid rgba(255,77,90,0.25);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  color: var(--accent);
}
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { font-size: 0.96rem; margin: 0; }
.feature-card .feature-tag {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.72rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent-2);
}

/* ============================================================
   GAMEPLAY (video placeholder + screenshots)
   ============================================================ */
.video-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #161a26, #0a0c12);
  border: 1px solid var(--border);
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-soft);
  isolation: isolate;
}
.video-frame::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 77, 90, 0.22), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(91, 140, 255, 0.18), transparent 55%);
  z-index: 0;
}
.video-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 18px; z-index: 1;
}
.play-button {
  width: 92px; height: 92px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 18px 50px rgba(255,77,90,0.35);
  transition: transform 0.3s var(--ease);
  position: relative;
}
.play-button::before {
  content: ''; position: absolute; inset: -8px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.25);
  animation: ring 2.4s ease-out infinite;
}
@keyframes ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}
.play-button:hover { transform: scale(1.08); }
.play-button svg { width: 28px; height: 28px; margin-left: 4px; }
.video-placeholder small {
  font-size: 0.75rem; color: var(--text-mute);
  letter-spacing: 0.2em; text-transform: uppercase;
}

.shots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 36px;
}
@media (max-width: 920px) { .shots { grid-template-columns: repeat(2, 1fr); } }
.shot {
  aspect-ratio: 9 / 19;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0));
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease);
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  color: var(--text-mute);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.shot:nth-child(1) { background: linear-gradient(160deg, rgba(255,77,90,0.18), rgba(255,77,90,0.02)); }
.shot:nth-child(2) { background: linear-gradient(160deg, rgba(91,140,255,0.18), rgba(91,140,255,0.02)); }
.shot:nth-child(3) { background: linear-gradient(160deg, rgba(74,222,128,0.18), rgba(74,222,128,0.02)); }
.shot:nth-child(4) { background: linear-gradient(160deg, rgba(255,180,71,0.18), rgba(255,180,71,0.02)); }
.shot:hover { transform: translateY(-6px); }
.shot::after {
  content: 'SCREENSHOT';
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  font-size: 0.62rem; color: var(--text-mute); letter-spacing: 0.3em;
}

/* ============================================================
   DISTANCES (chips)
   ============================================================ */
.distances {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center;
  margin-top: 36px;
}
.distance-chip {
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all 0.3s var(--ease);
  cursor: default;
}
.distance-chip:hover {
  background: var(--surface-strong);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.distance-chip span { color: var(--text-mute); font-weight: 400; margin-left: 6px; font-size: 0.8rem; }

/* ============================================================
   STATS / SCIENCE
   ============================================================ */
.stats-section {
  background:
    radial-gradient(800px 400px at 80% 0%, rgba(91, 140, 255, 0.12), transparent 60%),
    radial-gradient(600px 400px at 20% 100%, rgba(255, 77, 90, 0.10), transparent 60%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 880px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat {
  padding: 30px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.stat .num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: -0.04em;
  background: linear-gradient(120deg, #fff, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .lbl { color: var(--text-dim); font-size: 0.95rem; margin-top: 6px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  max-width: 800px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 12px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.faq-item:hover { border-color: var(--border-strong); }
.faq-q {
  width: 100%;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 22px 26px;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}
.faq-q .chev {
  width: 24px; height: 24px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  transition: transform 0.4s var(--ease);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
  color: var(--text-dim);
}
.faq-a-inner { padding: 0 26px 22px; font-size: 0.96rem; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-item.open .chev { transform: rotate(45deg); }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-card {
  position: relative;
  padding: 80px 40px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 80% -20%, rgba(255, 77, 90, 0.45), transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(91, 140, 255, 0.25), transparent 50%),
    linear-gradient(135deg, #1a1d28, #0c0e16);
  border: 1px solid var(--border-strong);
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.cta-card::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 60px, rgba(255,255,255,0.025) 60px 61px);
  pointer-events: none;
}
.cta-card h2 { max-width: 700px; margin-left: auto; margin-right: auto; position: relative; }
.cta-card p { max-width: 580px; margin: 12px auto 32px; position: relative; }
.cta-card .hero-cta { justify-content: center; position: relative; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  position: relative; z-index: 2;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
.foot-col h4 { font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 14px; font-weight: 600; }
.foot-col a { display: block; padding: 6px 0; color: var(--text-dim); font-size: 0.95rem; transition: color 0.2s var(--ease); }
.foot-col a:hover { color: var(--text); }
.foot-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-mute); font-size: 0.85rem;
}
@media (max-width: 600px) { .foot-bottom { flex-direction: column; gap: 12px; text-align: center; } }
.foot-brand p { font-size: 0.92rem; max-width: 320px; margin: 14px 0 0; }

/* ============================================================
   PAGE (privacy/terms/support) layout
   ============================================================ */
.page-hero {
  padding: 180px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 70% 0%, rgba(255, 77, 90, 0.18), transparent 60%),
    radial-gradient(700px 400px at 0% 30%, rgba(91, 140, 255, 0.12), transparent 60%);
  z-index: 1;
}
.page-hero .container { z-index: 2; }
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
.page-hero .updated { color: var(--text-mute); font-size: 0.9rem; }

.doc {
  padding: 40px 0 120px;
  max-width: 820px;
  margin: 0 auto;
}
.doc h2 {
  margin-top: 56px;
  font-size: 1.6rem;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.doc h3 { margin-top: 36px; font-size: 1.15rem; }
.doc p, .doc li { color: var(--text-dim); font-size: 1rem; line-height: 1.75; }
.doc strong { color: var(--text); font-weight: 600; }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 8px; }
.doc a { color: var(--accent); border-bottom: 1px solid rgba(255,77,90,0.3); transition: border-color 0.2s; }
.doc a:hover { border-color: var(--accent); }
.doc hr { border: none; border-top: 1px solid var(--border); margin: 48px 0; }

.toc {
  position: sticky; top: 100px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.92rem;
}
.toc h5 { margin: 0 0 12px; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-mute); font-weight: 600; }
.toc a { display: block; padding: 6px 0; color: var(--text-dim); transition: color 0.2s, padding 0.2s; }
.toc a:hover { color: var(--accent); padding-left: 4px; }

.doc-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 120px;
}
@media (max-width: 880px) {
  .doc-grid { grid-template-columns: 1fr; }
  .toc { position: static; }
}
.doc-grid .doc { padding: 0; max-width: none; }

/* contact / support cards */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 40px 0;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.contact-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.contact-card p { margin: 0; font-size: 0.92rem; }
.contact-card a { color: var(--accent); font-weight: 600; display: inline-block; margin-top: 10px; }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: 0.47s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
}