:root[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg2: #111111;
  --bg3: #1a1a1a;
  --text: #f0ede6;
  --text2: #888;
  --accent: #f5c518;
  --accent2: #e07b00;
  --border: #2a2a2a;
  --card: #151515;
  --shadow: rgba(245,197,24,0.15);
}
:root[data-theme="light"] {
  --bg: #f5f2eb;
  --bg2: #eceae2;
  --bg3: #e0ddd5;
  --text: #1a1a1a;
  --text2: #666;
  --accent: #d4a000;
  --accent2: #b36a00;
  --border: #d0cdc5;
  --card: #fff;
  --shadow: rgba(180,130,0,0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Mono', monospace;
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s, color 0.3s;
  overflow-x: hidden;
}

/* HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(12px);
}

.logo {
  font-family: 'Unbounded', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  color: var(--accent);
  text-decoration: none;
}
.logo span { color: var(--text); }

nav { display: flex; align-items: center; gap: 2rem; }

nav a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}
nav a:hover { color: var(--accent); }

.theme-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '2048';
  position: absolute;
  font-family: 'Unbounded', sans-serif;
  font-weight: 900;
  font-size: 30vw;
  color: var(--border);
  opacity: 0.3;
  user-select: none;
  z-index: 0;
  letter-spacing: -0.05em;
  transition: color 0.3s;
}

.hero-content { position: relative; z-index: 1; }

.hero-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s ease both;
}

h1 {
  font-family: 'Unbounded', sans-serif;
  font-weight: 900;
  font-size: clamp(2.5rem, 8vw, 6rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
  animation: fadeUp 0.6s 0.1s ease both;
}

h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-desc {
  font-size: 0.9rem;
  color: var(--text2);
  max-width: 480px;
  line-height: 1.8;
  margin: 0 auto 2.5rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.2s;
  border: 1px solid transparent;
  cursor: pointer;
  letter-spacing: 0.05em;
}
.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent2);
  border-color: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* SECTIONS */
section {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

h2 {
  font-family: 'Unbounded', sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 3rem;
}

/* SCREENSHOTS */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.screenshot-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 9/16;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.3s;
  cursor: pointer;
}

.screenshot-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--shadow);
}

.screenshot-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--border);
}

.screenshot-placeholder .icon {
  font-size: 2.5rem;
  opacity: 0.4;
}

.screenshot-placeholder span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text2);
}

/* screenshot-card с реальным img */
.screenshot-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* PLATFORMS */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.platform-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.2s;
}

.platform-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--shadow);
}

.platform-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.platform-info { min-width: 0; }

.platform-label {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 0.2rem;
}

.platform-name {
  font-family: 'Unbounded', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
}

/* SOCIALS */
.socials-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 100px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.8rem;
  transition: all 0.2s;
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.social-link .icon { font-size: 1.1rem; }

/* DIVIDER */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* FOOTER */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text2);
  line-height: 1.8;
}

.footer-copy strong { color: var(--text); }

.footer-platforms {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}

.footer-platform-link {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-platform-link:hover { color: var(--accent); }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  header { padding: 0 1.2rem; }

  nav a { display: none; }

  /* бургер-меню */
  .burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
  }
  .burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s;
    border-radius: 2px;
  }
  .burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger.open span:nth-child(2) { opacity: 0; }
  .burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    flex-direction: column;
    gap: 1.2rem;
    z-index: 99;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a {
    color: var(--text2);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.2s;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
  }
  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu a:hover { color: var(--accent); }

  /* hero */
  .hero { min-height: 80vh; padding: 3rem 1.2rem; }
  .hero-desc { font-size: 0.8rem; }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; justify-content: center; }

  /* sections */
  section { padding: 3.5rem 1.2rem; }
  h2 { margin-bottom: 1.5rem; }

  /* screenshots — горизонтальный скролл */
  .screenshots-grid {
    grid-template-columns: repeat(4, 160px);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
    gap: 0.75rem;
  }
  .screenshots-grid::-webkit-scrollbar { height: 4px; }
  .screenshots-grid::-webkit-scrollbar-track { background: var(--bg3); border-radius: 2px; }
  .screenshots-grid::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }
  .screenshot-card { scroll-snap-align: start; }

  /* platforms */
  .platforms-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .platform-card { padding: 1.2rem; }

  /* socials */
  .socials-grid { gap: 0.5rem; }
  .social-link { font-size: 0.75rem; padding: 0.6rem 1rem; }

  /* footer */
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-platforms { align-items: flex-start; flex-direction: row; flex-wrap: wrap; gap: 0.75rem; }
  footer { padding: 2rem 1.2rem; }
}

@media (min-width: 769px) {
  .burger { display: none; }
  .mobile-menu { display: none !important; }
}