:root {
  --bg: #ffffff;
  --bg-alt: #f6f6f4;
  --text: #111214;
  --text-muted: #5c5f66;
  --accent: #111214;
  --border: #e6e6e3;
  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

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

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo span { color: var(--text-muted); font-weight: 400; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.nav-cta {
  color: var(--bg) !important;
  background: var(--accent);
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 500;
}

.nav-cta:hover { opacity: 0.85; }

/* Hero */
.hero {
  padding: 120px 0 100px;
}

.eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 40px;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: opacity 0.2s, background 0.2s;
}

.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { opacity: 0.85; }

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

.btn-lg { padding: 16px 36px; font-size: 1.1rem; margin-top: 12px; }

/* Sections */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 48px;
}

.body-lg {
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* Grid & cards */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.section-alt .card { background: var(--bg); }

.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.card-feature { padding: 40px 36px; }

.tag {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
}

/* Contact */
.section-contact { padding-bottom: 120px; }

.section-contact h2 { margin-bottom: 16px; }

.contact-note {
  margin-top: 40px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

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

.footer-links { display: flex; gap: 24px; }

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

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

/* Legal pages */
.legal { padding: 80px 0 120px; }
.legal h1 { font-size: 2.2rem; letter-spacing: -0.02em; margin-bottom: 40px; }
.legal h2 { font-size: 1.3rem; margin: 36px 0 12px; }
.legal p, .legal ul { color: var(--text-muted); margin-bottom: 14px; }
.legal ul { padding-left: 22px; }
.legal a { color: var(--text); }
.back-link {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.back-link:hover { color: var(--text); }

/* Responsive */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 80px 0 70px; }
  .section { padding: 70px 0; }
}

@media (max-width: 600px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-links { gap: 18px; }
  .nav-links a:not(.nav-cta) { display: none; }
}