:root {
  --bg: #0b0d12;
  --bg-alt: #11141c;
  --surface: #161a24;
  --border: #232936;
  --text: #e8eaf0;
  --text-muted: #9aa3b5;
  --accent: #5b8cff;
  --accent-strong: #7da4ff;
  --radius: 14px;
  --container: 1080px;
}

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

html { scroll-behavior: smooth; }

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container.narrow { max-width: 760px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), #9a6bff);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

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

.nav-cta {
  color: var(--text) !important;
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: 999px;
  transition: border-color 0.15s ease;
}

.nav-cta:hover { border-color: var(--accent); }

/* Hero */
.hero {
  padding: 110px 0 90px;
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(91, 140, 255, 0.12), transparent),
    radial-gradient(600px 300px at 80% 10%, rgba(154, 107, 255, 0.10), transparent);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-strong);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 760px;
  margin-bottom: 22px;
}

.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

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

.btn-primary:hover { background: var(--accent-strong); }

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover { border-color: var(--accent); }

/* Sections */
.section { padding: 90px 0; }

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-lead {
  color: var(--text-muted);
  margin-bottom: 42px;
  max-width: 560px;
}

.section p + p { margin-top: 16px; }

#about p { color: var(--text-muted); font-size: 1.05rem; }
#about h2 { margin-bottom: 24px; }

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-icon { font-size: 1.6rem; margin-bottom: 14px; }

.card h3 { font-size: 1.08rem; margin-bottom: 10px; letter-spacing: -0.01em; }

.card p { color: var(--text-muted); font-size: 0.95rem; }

/* Contact */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-row {
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.contact-label {
  width: 60px;
  flex-shrink: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-row a {
  color: var(--accent-strong);
  text-decoration: none;
  font-size: 1.05rem;
}

.contact-row a:hover { text-decoration: underline; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-inner a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-inner a:hover { color: var(--text); }

.footer-legal {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.8rem;
  opacity: 0.8;
}

/* Legal pages */
.legal { padding: 70px 0 90px; }
.legal h1 { font-size: 2rem; margin-bottom: 8px; letter-spacing: -0.02em; }
.legal .updated { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 40px; }
.legal h2 { font-size: 1.25rem; margin: 36px 0 12px; }
.legal p, .legal li { color: var(--text-muted); }
.legal ul { padding-left: 22px; margin-top: 10px; }
.legal a { color: var(--accent-strong); }

@media (max-width: 600px) {
  .hero { padding: 70px 0 60px; }
  .section { padding: 60px 0; }
  .site-nav a:not(.nav-cta) { display: none; }
}