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

:root {
  --bg: #0d0f14;
  --surface: #13161d;
  --card: #1a1e28;
  --border: #252a38;
  --accent: #6c63ff;
  --accent2: #00d4aa;
  --accent3: #ff6584;
  --text: #e8eaf0;
  --muted: #8b92a8;
  --highlight: #ffffff;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 60px;
  background: rgba(13, 15, 20, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--highlight); font-weight: 600; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.22s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8b83ff);
  color: #fff;
  box-shadow: 0 4px 24px rgba(108, 99, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(108, 99, 255, 0.5); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ── SECTION COMMON ── */
section {
  position: relative;
  z-index: 1;
  padding: 100px 60px;
  max-width: 1180px;
  margin: 0 auto;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.section-label span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-label::after {
  content: '';
  flex: 1;
  max-width: 60px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--highlight);
  margin-bottom: 12px;
}

.section-desc {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 540px;
  margin-bottom: 56px;
}

/* ── DIVIDER ── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  max-width: 1180px;
  margin: 0 auto;
}

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 32px 60px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-links { display: none; }
  section { padding: 72px 24px; }
  footer { padding: 24px; }
}