:root {
  --bg: #f7f5f0;
  --bg-alt: #efece4;
  --ink: #16161a;
  --ink-soft: #4a4a52;
  --line: #d9d5ca;
  --accent: #16161a;
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 245, 240, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}
.nav {
  display: flex;
  gap: 32px;
}
.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}
.nav a:hover { color: var(--ink); }

/* Hero */
.hero {
  padding: 120px 0 96px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.hero-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 18ch;
  margin-bottom: 32px;
}
.hero-lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 58ch;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  padding: 13px 26px;
  border-radius: 2px;
  transition: all 0.2s ease;
  border: 1px solid var(--ink);
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: transparent; color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

/* Blocks */
.block { padding: 88px 0; border-bottom: 1px solid var(--line); }
.block-alt { background: var(--bg-alt); }
.block-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.block-lead {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.1rem;
  margin-bottom: 18px;
}
.block-body {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 64ch;
}

/* Grid of cards */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 36px;
}
.card {
  background: var(--bg-alt);
  padding: 32px 30px;
}
.card h3 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.card p { color: var(--ink-soft); font-size: 0.98rem; }

/* Join */
.join { padding: 96px 0; text-align: left; }
.join .btn { margin-top: 32px; }

/* Footer */
.site-footer {
  padding: 36px 0;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
  gap: 14px;
}
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: var(--ink-soft); text-decoration: none; }
.footer-nav a:hover { color: var(--ink); }

/* Responsive */
@media (max-width: 720px) {
  .nav { gap: 18px; }
  .nav a { font-size: 0.82rem; }
  .brand-logo { height: 22px; }
  .hero { padding: 80px 0 64px; }
  .block { padding: 60px 0; }
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .nav a:nth-child(1), .nav a:nth-child(2) { display: none; }
}

/* Accessibility */
a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}