:root {
  --bg: #0a0a0c;
  --surface: #131316;
  --surface-2: #1a1a1f;
  --surface-3: #222228;
  --border: #2a2a32;
  --text: #f0eff4;
  --text-secondary: #8e8d96;
  --accent: #6e5cff;
  --accent-glow: rgba(110, 92, 255, 0.35);
  --red: #ff5f57;
  --yellow: #febc2e;
  --green: #28c840;
  --pink: #ff6b9d;
  --cyan: #5de5d5;
}

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

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Grain overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

/* ── Nav ── */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 20px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  background: rgba(10, 10, 12, 0.7);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--text); }

.btn-download {
  padding: 10px 24px;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}
.btn-download:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255,255,255,0.15);
}

/* ── Footer ── */
footer {
  padding: 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.25s;
}
.footer-links a:hover { color: var(--text); }

/* ── Responsive ── */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-links { display: none; }
  footer { flex-direction: column; gap: 20px; text-align: center; }
}

@media (max-width: 600px) {
  .btn-download { display: none; }
}