/* ═══════════════════════════════════════════════════════════
   VELOCE AI IDM — Site Styles
   Dark · Fast · No frameworks
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --border: #1e1e2e;
  --text: #e4e4ed;
  --dim: #71718a;
  --accent: #4f6ef7;
  --accent-glow: rgba(79,110,247,0.15);
  --green: #34d399;
  --red: #f87171;
  --radius: 10px;
  --max-w: 1100px;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Navigation ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.logo { font-weight: 700; font-size: 1.2rem; color: #fff; text-decoration: none; }
.logo span { background: linear-gradient(135deg, var(--accent), #a78bfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--dim); text-decoration: none; font-size: 0.9rem; transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent); color: #fff; text-decoration: none;
  padding: 8px 20px; border-radius: 6px; font-size: 0.9rem; font-weight: 600;
  transition: box-shadow 0.2s;
}
.nav-cta:hover { box-shadow: 0 0 24px var(--accent-glow); }

/* ── Hero ── */
.hero {
  padding: 160px 24px 100px; text-align: center;
  max-width: var(--max-w); margin: 0 auto;
}
.hero-badge {
  display: inline-block; background: var(--surface); border: 1px solid var(--border);
  color: var(--dim); font-size: 0.8rem; padding: 5px 14px; border-radius: 20px;
  margin-bottom: 24px; letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.02em;
}
.hero h1 .gradient {
  background: linear-gradient(135deg, var(--accent), #a78bfa, #60a5fa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 1.2rem; color: var(--dim); max-width: 600px;
  margin: 0 auto 40px; line-height: 1.7;
}
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 14px 32px; border-radius: 8px;
  font-size: 1rem; font-weight: 600; text-decoration: none;
  transition: all 0.2s; cursor: pointer; border: none;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 0 40px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 60px rgba(79,110,247,0.3); }
.btn-secondary {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); }

/* ── Features ── */
.features {
  max-width: var(--max-w); margin: 0 auto;
  padding: 80px 24px; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent); }
.feature-icon { font-size: 1.8rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.feature-card p { color: var(--dim); font-size: 0.95rem; line-height: 1.7; }

/* ── Comparison Table ── */
.section-title {
  text-align: center; font-size: 2rem; font-weight: 700;
  margin-bottom: 12px; letter-spacing: -0.01em;
}
.section-sub { text-align: center; color: var(--dim); margin-bottom: 48px; }

.compare {
  max-width: var(--max-w); margin: 0 auto;
  padding: 80px 24px;
}
.compare-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.compare-table th {
  text-align: left; padding: 16px 20px;
  background: var(--surface); font-size: 0.9rem; font-weight: 600;
}
.compare-table th.highlight { color: var(--accent); }
.compare-table td {
  padding: 14px 20px; border-top: 1px solid var(--border);
  font-size: 0.9rem;
}
.compare-table tr:hover td { background: rgba(255,255,255,0.01); }
.check { color: var(--green); }
.cross { color: var(--red); }

/* ── Pricing ── */
.pricing {
  max-width: var(--max-w); margin: 0 auto;
  padding: 80px 24px 120px; text-align: center;
}
.price-card {
  display: inline-block; background: var(--surface);
  border: 1px solid var(--accent); border-radius: var(--radius);
  padding: 40px 48px; text-align: center;
  box-shadow: 0 0 60px var(--accent-glow);
}
.price-amount { font-size: 3.5rem; font-weight: 800; line-height: 1; }
.price-period { color: var(--dim); margin: 4px 0 24px; }
.price-features { list-style: none; text-align: left; margin-bottom: 28px; }
.price-features li { padding: 6px 0; font-size: 0.95rem; color: var(--dim); }
.price-features li::before { content: '✓ '; color: var(--green); font-weight: 700; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border); padding: 40px 24px;
  text-align: center; color: var(--dim); font-size: 0.85rem;
  margin-top: 80px;
}
footer a { color: var(--dim); text-decoration: none; margin: 0 12px; }
footer a:hover { color: var(--text); }

/* ── Page sub-hero ── */
.sub-hero {
  padding: 140px 24px 60px; text-align: center;
  max-width: var(--max-w); margin: 0 auto;
}
.sub-hero h1 { font-size: 2.5rem; font-weight: 800; }
.sub-hero p { color: var(--dim); font-size: 1.1rem; margin-top: 12px; }

/* ── Content block ── */
.content-block {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px 80px;
}
.content-block h2 { font-size: 1.6rem; margin: 60px 0 16px; }
.content-block h2:first-child { margin-top: 0; }
.content-block p { color: var(--dim); margin-bottom: 16px; font-size: 1.05rem; line-height: 1.8; }
.content-block ul {
  padding-left: 20px; margin-bottom: 16px;
}
.content-block code {
  background: var(--surface); padding: 2px 6px; border-radius: 4px;
  font-size: 0.9em;
}

/* ── Guide screenshot images ── */
.guide-screenshot {
  margin: 16px 0 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.guide-screenshot img {
  display: block; width: 100%; height: auto;
}
.guide-screenshot-placeholder {
  background: var(--surface); border: 1px dashed var(--border);
  border-radius: var(--radius); padding: 40px 20px;
  text-align: center; color: var(--dim); font-size: 0.85rem;
  margin: 16px 0 40px;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .features { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
  .price-card { padding: 32px 36px; }
}

@media (max-width: 768px) {
  .nav-links { gap: 12px; font-size: 0.85rem; }
  .nav-links a.hide-mobile { display: none; }
  .nav-cta { padding: 8px 16px; font-size: 0.8rem; }
  .hero { padding: 120px 20px 60px; }
  .hero h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); }
  .hero-sub { font-size: 1rem; }
  .features { grid-template-columns: 1fr; padding: 60px 20px; }
  .section-title { font-size: 1.5rem; }
  .compare-table { font-size: 0.8rem; }
  .compare-table th, .compare-table td { padding: 10px 12px; }
  .price-card { padding: 28px 24px; }
  .price-amount { font-size: 2.8rem; }
  .sub-hero { padding: 120px 20px 40px; }
  .sub-hero h1 { font-size: 1.8rem; }
  .content-block { padding: 0 20px 60px; }
  .content-block h2 { font-size: 1.3rem; }
  footer a { margin: 0 6px; font-size: 0.8rem; }
}

@media (max-width: 480px) {
  nav { position: relative; }
  .nav-inner { flex-direction: column; gap: 12px; padding: 12px 16px; }
  .nav-links { flex-wrap: wrap; justify-content: center; gap: 10px; }
  .hero { padding: 60px 16px 40px; }
  .hero h1 { font-size: 1.6rem; }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn { width: 100%; text-align: center; padding: 14px 20px; }
  .section-title { font-size: 1.3rem; }
  .feature-card { padding: 24px 20px; }
  .compare-table { font-size: 0.7rem; }
  .compare-table th, .compare-table td { padding: 8px 10px; }
  .price-card { padding: 24px 16px; }
  .price-amount { font-size: 2.2rem; }
  .sub-hero h1 { font-size: 1.5rem; }
  .sub-hero p { font-size: 0.95rem; }
  footer { padding: 30px 16px; }
}