@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=DM+Mono:wght@400;500&display=swap');

:root {
  --bg: #0b0c10;
  --bg2: #12141a;
  --bg3: #1a1d26;
  --surface: #1e2130;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.12);
  --accent: #6c63ff;
  --accent2: #ff6584;
  --accent3: #43e97b;
  --text: #e8eaf0;
  --text2: #9498b8;
  --text3: #555870;
  --radius: 10px;
  --radius-lg: 16px;
  --font: 'DM Sans', sans-serif;
  --serif: 'Instrument Serif', serif;
  --mono: 'DM Mono', monospace;
  --max: 1160px;
  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ── NAV ──────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(11,12,16,0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.nav-logo-mark {
  display: flex;
  align-items: center;
  gap: 3px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 5px 9px;
  font-family: var(--mono);
  font-size: 12px;
}
.nav-logo-a { color: var(--accent); }
.nav-logo-arr { color: var(--text3); }
.nav-logo-b { color: var(--accent2); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text2);
  transition: all 0.15s;
}
.nav-links a:hover, .nav-links a.active { background: var(--surface); color: var(--text); }

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 7px 16px !important;
  border-radius: 8px !important;
  font-weight: 500;
  font-size: 13px !important;
}
.nav-cta:hover { background: #7b74ff !important; color: #fff !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text2);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ── LAYOUT ───────────────────────────────────────────── */
.page { padding-top: var(--nav-h); min-height: 100vh; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ── BUTTONS ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.18s;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #7b74ff; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(108,99,255,0.35); }
.btn-outline { background: transparent; border: 1px solid var(--border2); color: var(--text); }
.btn-outline:hover { background: var(--surface); border-color: var(--accent); }
.btn-sm { padding: 7px 14px; font-size: 13px; }

/* ── BADGE ────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 99px;
  border: 1px solid;
}
.badge-accent { border-color: rgba(108,99,255,0.4); color: #a89fff; background: rgba(108,99,255,0.1); }
.badge-green { border-color: rgba(67,233,123,0.4); color: #43e97b; background: rgba(67,233,123,0.08); }
.badge-pink { border-color: rgba(255,101,132,0.4); color: #ff8fa3; background: rgba(255,101,132,0.08); }

/* ── CARDS ────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--border2); }

/* ── SECTION TITLES ───────────────────────────────────── */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
}
.section-title em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent2); }
.section-sub {
  font-size: 17px;
  color: var(--text2);
  max-width: 560px;
  margin-top: 12px;
  font-weight: 300;
  line-height: 1.65;
}

/* ── FOOTER ───────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 48px 0 32px;
  margin-top: 80px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand p { font-size: 14px; color: var(--text3); margin-top: 12px; line-height: 1.6; max-width: 260px; }
.footer-col h4 { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text3); margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a { font-size: 14px; color: var(--text2); transition: color 0.15s; }
.footer-col ul a:hover { color: var(--text); }
.footer-bottom {
  max-width: var(--max);
  margin: 32px auto 0;
  padding: 20px 24px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text3);
}

/* ── PROSE (docs/blog) ────────────────────────────────── */
.prose {
  max-width: 720px;
}
.prose h1 { font-size: 38px; font-weight: 300; letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 16px; }
.prose h2 { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; margin: 44px 0 14px; color: var(--text); }
.prose h3 { font-size: 18px; font-weight: 500; margin: 32px 0 10px; color: var(--text); }
.prose p { color: var(--text2); margin-bottom: 18px; line-height: 1.75; }
.prose ul, .prose ol { color: var(--text2); margin: 0 0 18px 22px; line-height: 1.75; }
.prose li { margin-bottom: 6px; }
.prose code {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--accent);
}
.prose pre {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  overflow-x: auto;
  margin-bottom: 20px;
}
.prose pre code { background: none; border: none; padding: 0; color: var(--text); }
.prose a { color: var(--accent); border-bottom: 1px solid rgba(108,99,255,0.3); transition: border-color 0.15s; }
.prose a:hover { border-color: var(--accent); }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 2px 20px;
  margin: 24px 0;
  color: var(--text2);
  font-style: italic;
}
.prose hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }
.prose strong { color: var(--text); font-weight: 500; }
.prose table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.prose th { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text3); text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border2); }
.prose td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--text2); }

/* ── SIDEBAR LAYOUT (docs/support) ───────────────────── */
.with-sidebar {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
  padding-top: 48px;
  padding-bottom: 80px;
}
.sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.sidebar-section { margin-bottom: 24px; }
.sidebar-section h5 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 8px;
  padding: 0 10px;
}
.sidebar-section ul { list-style: none; }
.sidebar-section ul a {
  display: block;
  padding: 6px 10px;
  font-size: 14px;
  color: var(--text2);
  border-radius: 7px;
  transition: all 0.12s;
}
.sidebar-section ul a:hover { background: var(--surface); color: var(--text); }
.sidebar-section ul a.active { background: rgba(108,99,255,0.12); color: var(--accent); }

/* ── SEARCH ───────────────────────────────────────────── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 14px;
  margin-bottom: 20px;
  transition: border-color 0.15s;
}
.search-bar:focus-within { border-color: var(--accent); }
.search-bar input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  flex: 1;
}
.search-bar input::placeholder { color: var(--text3); }

/* ── TAG ──────────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--bg3);
  color: var(--text2);
  border: 1px solid var(--border);
}

/* ── RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}