/* Caantin — Vercel-inspired design system
   White background, black text. Clean, confident, multi-product. */

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

:root {
  --bg: #fff;
  --text: #000;
  --muted: #666;
  --muted-light: #888;
  --border: rgba(0,0,0,0.12);
  --hover: rgba(0,0,0,0.04);
}

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  line-height: 1.5;
}

/* ── Nav (sticky, consistent across all pages) ───────────────────────── */
.nav {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color 0.2s;
}
.nav.scrolled { border-color: var(--border); }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 17px;
  font-weight: 500;
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.8; }

.nav-logo-mark {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.nav-logo-mark svg { width: 100%; height: 100%; }

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

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }

/* Primary CTA: black bg, white text (Vercel "Start Deploying" style) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.9; }

/* Secondary CTA: white bg, black border (Vercel "Get a Demo" style) */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  transition: background 0.2s;
}
.btn-secondary:hover { background: var(--hover); }

/* Hero typography */
.hero-title {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text);
}

.hero-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}

/* ── Mobile: Vercel-style hamburger + drawer ────────────────────────────── */
.nav-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  margin: 0;
  background: none;
  border: none;
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s;
}
.nav-menu-btn:hover { background: var(--hover); }
.nav-menu-btn svg { width: 20px; height: 20px; }

/* Drawer: overlay + slide-in panel */
.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0.25s, opacity 0.25s;
  opacity: 0;
}
.nav-drawer.is-open {
  pointer-events: auto;
  visibility: visible;
  opacity: 1;
}
.nav-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.25s;
}
.nav-drawer.is-open .nav-drawer-backdrop { opacity: 1; }

.nav-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(320px, 88vw);
  max-width: 100%;
  height: 100%;
  background: var(--bg);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  padding: max(16px, env(safe-area-inset-top)) 20px 24px;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease-out;
  overflow-y: auto;
}
.nav-drawer.is-open .nav-drawer-panel { transform: translateX(0); }

.nav-drawer-close {
  position: absolute;
  top: max(16px, env(safe-area-inset-top));
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: none;
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s;
}
.nav-drawer-close:hover { background: var(--hover); }
.nav-drawer-close svg { width: 20px; height: 20px; }

.nav-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 24px;
}
.nav-drawer-links .nav-link {
  display: block;
  padding: 12px 0;
  font-size: 16px;
  color: var(--text);
}
.nav-drawer-links .nav-link:hover { color: var(--muted); }
.nav-drawer-links .btn-primary {
  margin-top: 16px;
  width: 100%;
  justify-content: center;
  padding: 12px 18px;
  font-size: 14px;
}

@media (max-width: 768px) {
  .nav {
    padding: 12px 16px;
    padding-top: max(12px, env(safe-area-inset-top, 0px));
    flex-wrap: nowrap;
    align-items: center;
  }
  .nav-logo { font-size: 15px; }
  .nav-menu-btn { display: flex; }
  .nav-right { display: none !important; }
  .hero-title { font-size: clamp(28px, 8vw, 40px); }
  .hero-sub { font-size: 15px; }
}

body.nav-drawer-open { overflow: hidden; }