/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0A0A0A;
  --bg2: #141414;
  --bg3: #1A1A1A;
  --text: #FFFFFF;
  --text2: #A1A1AA;
  --text3: #71717A;
  --accent: #7C3AED;
  --accent-light: #A78BFA;
  --accent-dim: rgba(124,58,237,0.12);
  --border: #27272A;
  --border-light: #3F3F46;
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 2rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid rgba(39,39,42,0.6);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--accent-light); }

.nav-links {
  display: flex; gap: 2rem; list-style: none; align-items: center;
}

.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--accent) !important;
  color: var(--text) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  transition: opacity 0.2s !important;
}

.nav-cta:hover { opacity: 0.85 !important; color: #fff !important; }

/* ── CONTAINER ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #6D28D9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg2);
}

/* ── SECTION LABELS ── */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text2);
  font-size: 1rem;
  max-width: 520px;
  line-height: 1.7;
}

section { padding: 96px 0; }

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

.divider {
  height: 1px;
  background: var(--border);
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ── FOOTER ── */
footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text3);
}

footer a {
  color: var(--text3);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover { color: var(--text2); }

/* ── SCROLL BAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 0 1.25rem; }
  .nav-links { display: none; }
  section { padding: 64px 0; }
}