/* ═══════════════════════════════════════════════════════════════
   Emoji Runner — Full Rebuild
   Layout: jumpalien.com exact structure
   Brand: Emoji Runner assets + warm yellow / cyan accents
   ═══════════════════════════════════════════════════════════════ */

/* ===== Custom Font ===== */
@font-face {
  font-family: "Turtles";
  src: url("/assets/Font/Turtles-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ===== Design Tokens ===== */
:root {
  --bg-deep: #0b0b10;
  --bg: #07071a;
  --bg-card: rgba(14, 14, 28, 0.60);
  --fg: #f0f0f5;
  --fg-dim: rgba(240, 240, 245, 0.60);
  --fg-faint: rgba(240, 240, 245, 0.30);
  --accent: #5ECFFF;
  --accent-dim: rgba(94, 207, 255, 0.15);
  --accent-glow: rgba(94, 207, 255, 0.5);
  --warm: #FBBF24;
  --warm-dim: rgba(251, 191, 36, 0.15);
  --warm-glow: rgba(251, 191, 36, 0.5);
  --red: #f44336;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  --glass: rgba(12, 12, 30, 0.60);
  --glass-border: rgba(255, 255, 255, 0.06);
  --radius: 0.85rem;
  --radius-lg: 1.2rem;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --content: 1200px;
  --nav-h: 64px;
  --font-game: "Turtles", "Space Grotesk", system-ui, sans-serif;
  --font-body: "Space Grotesk", system-ui, sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

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

/* ===== Utility ===== */
.font-game { font-family: var(--font-game); }
.center { text-align: center; margin-left: auto; margin-right: auto; }
.container { width: 100%; max-width: var(--content); margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 640px) { .container { padding: 0 2rem; } }
@media (min-width: 1024px) { .container { padding: 0 2.5rem; } }

/* ===== Typography ===== */
h1, h2, h3, h4, h5 {
  font-family: var(--font-game);
  letter-spacing: -0.015em;
  line-height: 1.15;
  font-weight: 400;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h3 { font-size: 1.2rem; }

.text-accent { color: var(--accent); }
.text-warm { color: var(--warm); }
.text-dim { color: var(--fg-dim); }
.text-faint { color: var(--fg-faint); }

.glow-accent {
  text-shadow: 0 0 24px var(--accent-glow), 0 0 48px rgba(94, 207, 255, 0.22);
}
.glow-warm {
  text-shadow: 0 0 24px var(--warm-glow), 0 0 48px rgba(251, 191, 36, 0.22);
}

.lede {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  color: var(--fg-dim);
  max-width: 540px;
  line-height: 1.7;
  font-weight: 400;
}

/* ===== Starfield Canvas ===== */
#starfield {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ===== Section Gradient Overlays ===== */
.gradient-top {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to bottom,
    rgba(7, 7, 26, 0.5) 0%,
    transparent 35%,
    transparent 70%,
    rgba(7, 7, 26, 1) 100%
  );
  pointer-events: none;
}

/* ===== Glass Card ===== */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

/* ═══════════════════════════════════════════
   1. NAV — fixed glassmorphic top bar
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--border);
}

.nav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(7, 7, 26, 0.78);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-game);
  font-weight: 400;
  font-size: 1.05rem;
}

.brand img {
  border-radius: 10px;
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--fg-dim);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--fg);
}

.nav-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(94, 207, 255, 0.30);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s, border-color 0.2s;
}

.nav-dl:hover {
  background: rgba(94, 207, 255, 0.22);
  border-color: rgba(94, 207, 255, 0.5);
}

/* ═══════════════════════════════════════════
   2. HERO — full viewport, two columns
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-h);
}

.hero-inner {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 4rem;
  padding: 4rem 0;
  width: 100%;
  max-width: var(--content);
}

/* LEFT column — logo image + copy */
.hero-copy {
  flex: 1;
  min-width: 0;
}

.hero-logo {
  max-width: 420px;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 0 30px rgba(251, 191, 36, 0.25));
}

.hero-logo img {
  width: 100%;
  height: auto;
}

.hero-copy .lede {
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.appstore-badge {
  display: inline-block;
  transition: transform 0.25s var(--ease);
}

.appstore-badge:hover {
  transform: scale(1.06);
}

.appstore-badge img,
.appstore-badge svg {
  height: 48px;
  display: block;
}

.hero-sub {
  font-size: 0.88rem;
  color: var(--fg-dim);
}

/* RIGHT column — animated character */
.hero-anim {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 260px;
  height: 260px;
  min-width: 200px;
  min-height: 200px;
}

.hero-glow {
  position: absolute;
  inset: -25%;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.14) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  animation: pulseGlow 4s ease-in-out infinite;
}

.hero-character {
  position: relative;
  z-index: 10;
  width: 200px;
  height: 200px;
  animation: heroFloat 3.5s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(251, 191, 36, 0.35));
}

.hero-character img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-floater {
  position: absolute;
  pointer-events: none;
  filter: drop-shadow(0 0 22px rgba(94, 207, 255, 0.45));
}

.hero-floater img {
  width: 100%;
  height: auto;
}

.floater-rocket {
  width: 90px;
  top: 2%;
  right: 0%;
  z-index: 20;
  animation: floatItem 4s ease-in-out infinite;
}

.floater-diamond {
  width: 65px;
  bottom: 10%;
  left: 3%;
  z-index: 20;
  animation: floatItem 3.5s ease-in-out infinite 0.6s;
  filter: drop-shadow(0 0 18px rgba(94, 207, 255, 0.55));
}

/* Scroll-down arrow */
.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: bounce 2s infinite;
  color: var(--fg-dim);
  opacity: 0.7;
}

/* ===== Hero Animations ===== */
@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%      { transform: translateY(-18px) rotate(2deg); }
}

@keyframes floatItem {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-14px) rotate(6deg); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.08); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.7; }
  50%      { transform: translateX(-50%) translateY(10px); opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   3. FEATURES — 3×2 glass card grid
   ═══════════════════════════════════════════ */
.features {
  position: relative;
  padding: 7rem 0;
}

.features .gradient-top {
  background: linear-gradient(to bottom,
    var(--bg) 0%, transparent 15%,
    transparent 85%, var(--bg) 100%
  );
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-header h2 {
  margin-bottom: 0.5rem;
}

.section-header .lede {
  margin-left: auto;
  margin-right: auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  padding: 2rem 1.6rem;
  transition: transform 0.35s var(--ease), border-color 0.35s;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(94, 207, 255, 0.22);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: inline-block;
  transition: transform 0.25s;
}

.feature-card:hover .feature-icon {
  transform: scale(1.15);
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  color: var(--fg);
}

.feature-card p {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--fg-dim);
  line-height: 1.6;
  font-weight: 400;
}

/* ═══════════════════════════════════════════
   4. GAMEPLAY — iPhone landscape frame + demo
   ═══════════════════════════════════════════ */
.gameplay {
  position: relative;
  padding: 7rem 0;
}

.gameplay .gradient-top {
  background: linear-gradient(to bottom,
    var(--bg) 0%, transparent 15%,
    transparent 85%, var(--bg) 100%
  );
}

/* ----- iPhone Frame ----- */
.iphone-frame {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 2.4rem;
  padding: 10px;
  /* Titanium bezel gradient */
  background: linear-gradient(145deg, #1c1c26 0%, #0d0d14 45%, #1c1c26 100%);
  box-shadow:
    0 35px 80px -20px rgba(0, 0, 0, 0.85),
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4);
  outline: 1px solid rgba(255, 255, 255, 0.05);
}

/* Subtle glow behind the phone */
.iphone-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 3rem;
  background: rgba(94, 207, 255, 0.1);
  filter: blur(50px);
  transform: scale(1.1);
  pointer-events: none;
}

/* Hardware buttons — landscape orientation */
.hw-btn {
  position: absolute;
  background: linear-gradient(to bottom, #0c0c14, #28283a);
  border-radius: 2px;
}

/* Volume buttons on top */
.hw-vol1 { top: -3px; left: 55px; width: 40px; height: 3px; }
.hw-vol2 { top: -3px; left: 110px; width: 55px; height: 3px; }
/* Power button on bottom */
.hw-pwr  { bottom: -3px; right: 75px; width: 68px; height: 3px; }

/* Screen area */
.iphone-screen {
  position: relative;
  border-radius: 1.8rem;
  overflow: hidden;
  aspect-ratio: 19.5 / 9;
  background: #000;
}

/* Dynamic Island — vertical pill on the left (landscape) */
.dynamic-island {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  height: 30%;
  width: 12px;
  background: #000;
  border-radius: 999px;
  box-shadow:
    0 0 0 1.5px rgba(0, 0, 0, 0.6),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

/* Screen reflection sheen */
.screen-sheen {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.055) 0%,
    transparent 38%,
    transparent 100%
  );
  mix-blend-mode: overlay;
}

/* ----- Interactive Demo Container ----- */
.demo-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.demo-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ----- Demo HUD ----- */
.demo-hud {
  position: absolute;
  top: 8px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 15;
  font-family: var(--font-body);
}

.demo-hud-left,
.demo-hud-right {
  display: flex;
  gap: 8px;
  align-items: center;
}

.demo-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-weight: 700;
  font-size: 0.72rem;
}

.demo-star {
  font-size: 0.85rem;
}

.demo-fly {
  background: rgba(6, 78, 100, 0.6);
  border-color: rgba(94, 207, 255, 0.35);
  color: var(--accent);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  50% { opacity: 0.55; }
}

.demo-live {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  background: rgba(94, 207, 255, 0.08);
  border: 1px solid rgba(94, 207, 255, 0.25);
  border-radius: 4px;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.demo-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: #22c55e;
  border-radius: 50%;
  animation: ping 1.5s ease-in-out infinite;
}

@keyframes ping {
  50% { opacity: 0.3; transform: scale(0.6); }
}

/* ----- Demo Overlays ----- */
.demo-overlay,
.demo-gameover {
  position: absolute;
  inset: 0;
  z-index: 18;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  pointer-events: none;
  font-family: var(--font-body);
}

.demo-overlay {
  background: rgba(0, 0, 0, 0.4);
}

.demo-overlay-title {
  font-family: var(--font-game);
  font-size: clamp(1.1rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--accent);
  margin-bottom: 0.35rem;
  text-shadow: 0 0 24px var(--accent-glow);
}

.demo-overlay-sub {
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  max-width: 260px;
}

.demo-gameover {
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: auto;
  cursor: default;
}

.demo-go-title {
  font-family: var(--font-game);
  font-size: clamp(1.3rem, 3.5vw, 2.4rem);
  font-weight: 400;
  color: var(--red);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 24px rgba(244, 67, 54, 0.5);
}

.demo-go-score {
  font-family: var(--font-game);
  font-size: 1rem;
  color: var(--warm);
  margin-bottom: 0.5rem;
}

.demo-go-text {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 300px;
  margin-bottom: 0.8rem;
  line-height: 1.5;
}

.demo-retry-btn {
  display: inline-block;
  padding: 7px 22px;
  background: var(--accent-dim);
  border: 1px solid rgba(94, 207, 255, 0.4);
  border-radius: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  margin-bottom: 0.6rem;
}

.demo-retry-btn:hover {
  background: rgba(94, 207, 255, 0.28);
  border-color: rgba(94, 207, 255, 0.6);
}

.demo-appstore-link {
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.2s;
}

.demo-appstore-link:hover {
  color: var(--accent);
}

/* ----- Stats Row ----- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 700px;
  margin: 3.5rem auto 0;
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-game);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 400;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ═══════════════════════════════════════════
   5. CTA — Ready to Run?
   ═══════════════════════════════════════════ */
.cta-section {
  position: relative;
  padding: 7rem 0;
  text-align: center;
}

.cta-section .gradient-top {
  background: linear-gradient(to bottom,
    var(--bg) 0%, transparent 25%,
    transparent 75%, var(--bg) 100%
  );
}

.cta-character {
  width: 110px;
  margin: 0 auto 1.75rem;
  animation: heroFloat 3.2s ease-in-out infinite;
  filter: drop-shadow(0 0 25px rgba(251, 191, 36, 0.4));
}

.cta-character img {
  width: 100%;
  height: auto;
}

.cta-section h2 {
  margin-bottom: 0.75rem;
}

.cta-section .lede {
  margin: 0 auto 2.5rem;
}

.cta-req {
  font-size: 0.78rem;
  color: var(--fg-faint);
  margin-top: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ═══════════════════════════════════════════
   6. FOOTER
   ═══════════════════════════════════════════ */
.footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.footer-title {
  font-family: var(--font-game);
  font-weight: 400;
  font-size: 0.95rem;
}

.footer-sub {
  font-size: 0.78rem;
  color: var(--fg-faint);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--fg-dim);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--fg);
}

.footer-appstore {
  display: inline-block;
  transition: transform 0.2s var(--ease);
}

.footer-appstore:hover {
  transform: scale(1.05);
}

.footer-appstore svg {
  display: block;
  height: 36px;
}

/* ═══════════════════════════════════════════
   7. SCROLL REVEAL
   ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }

/* ═══════════════════════════════════════════
   8. HAMBURGER MENU
   ═══════════════════════════════════════════ */
.hamburger {
  display: none;
  padding: 8px;
  z-index: 110;
  -webkit-tap-highlight-color: transparent;
}

.hamburger span,
.hamburger span::before,
.hamburger span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  position: relative;
  transition: 0.3s ease;
}

.hamburger span::before,
.hamburger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
}

.hamburger span::before { top: -6px; }
.hamburger span::after  { top:  6px; }

.hamburger[aria-expanded="true"] span { background: transparent; }
.hamburger[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.hamburger[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

/* ═══════════════════════════════════════════
   9. REDUCED MOTION
   ═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .hero-character,
  .hero-floater,
  .cta-character,
  .hero-glow,
  .scroll-hint,
  .demo-dot,
  .demo-fly {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ═══════════════════════════════════════════
   10. RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 960px) {
  .hamburger { display: block; }
  .nav-dl { display: none; }

  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    position: fixed;
    inset: 0;
    z-index: 105;
    background: rgba(7, 7, 26, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1.35rem;
    font-weight: 600;
    padding: 16px 28px;
    transform: translateY(10px);
    opacity: 0;
    transition: color 0.2s, transform 0.35s ease, opacity 0.35s ease;
  }

  .nav-links.open a {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links.open a:nth-child(1) { transition-delay: 0.05s; }
  .nav-links.open a:nth-child(2) { transition-delay: 0.10s; }
  .nav-links.open a:nth-child(3) { transition-delay: 0.15s; }
  .nav-links.open a:nth-child(4) { transition-delay: 0.20s; }
  .nav-links.open a:nth-child(5) { transition-delay: 0.25s; }

  body.menu-open { overflow: hidden; }

  /* Hero */
  .hero-inner {
    flex-direction: column;
    text-align: center;
    padding: 3rem 1.5rem;
  }

  .hero-logo {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-copy .lede {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-anim {
    width: 200px;
    height: 200px;
  }

  .hero-character {
    width: 160px;
    height: 160px;
  }

  /* Features */
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  /* iPhone */
  .iphone-frame {
    margin: 0 0.5rem;
    border-radius: 1.6rem;
  }

  .iphone-screen {
    border-radius: 1.3rem;
  }

  /* Stats */
  .stats-row { gap: 1rem; }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-anim {
    width: 170px;
    height: 170px;
  }

  .hero-character {
    width: 130px;
    height: 130px;
  }

  .hero-logo {
    max-width: 300px;
  }

  .stats-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .iphone-frame {
    border-radius: 1.2rem;
    padding: 6px;
  }

  .iphone-screen {
    border-radius: 1rem;
  }
}