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

:root {
  --bg: #0d0f14;
  --bg-card: #13161e;
  --bg-card-hover: #181c27;
  --border: rgba(255,255,255,0.07);
  --text: #e8eaf0;
  --text-muted: #8b92a8;
  --accent: #6c63ff;
  --accent-2: #00d4aa;
  --grad: linear-gradient(135deg, #6c63ff 0%, #00d4aa 100%);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --max-w: 960px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* ── Typography ── */
h1, h2, h3 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--text-muted); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Nav ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-logo:hover { color: var(--text); }

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--grad);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 900;
  color: #fff;
  margin-right: 6px;
}

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

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* ── Hero ── */
.hero {
  padding: 7rem 0 5rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(108, 99, 255, 0.15);
  border: 1px solid rgba(108, 99, 255, 0.3);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1.25rem;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  max-width: 520px;
  margin: 0 auto 2.5rem;
}

/* ── Cards grid ── */
.cards-section {
  padding: 4rem 0 6rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .cards-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}
.card-icon.buyers  { background: rgba(108, 99, 255, 0.15); }
.card-icon.sellers { background: rgba(0, 212, 170, 0.15); }

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card ul li {
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card ul li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.card.buyers  ul li::before { background: var(--accent); }
.card.sellers ul li::before { background: var(--accent-2); }

/* ── About page ── */
.about-hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.about-hero h1 {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.about-content {
  padding: 2rem 0 6rem;
  max-width: 680px;
  margin: 0 auto;
}

.about-content .lead {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.perspective-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 640px) {
  .perspective-grid { grid-template-columns: 1fr; }
}

.perspective {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.perspective h2 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}
.perspective.purchaser h2 { color: var(--accent); }
.perspective.vendor h2    { color: var(--accent-2); }

.perspective p {
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.7;
}

.about-conclusion {
  color: var(--text-muted);
  line-height: 1.8;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  text-align: center;
}

.site-footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0 auto;
  max-width: var(--max-w);
}