/* connect landing page. Served from /landing.css so the page needs no inline
   styles: the CSP's style-src is 'self' plus the font host. The tokens are the
   ones rail and depot share; only the accent is connect's (ADR 0020). */

:root {
  --bg: #0f172a;
  --card: rgba(31, 41, 55, 0.5);
  --well: rgba(15, 23, 42, 0.6);
  --border: #374151;
  --rule: rgba(55, 65, 81, 0.6);
  --text: #e2e8f0;
  --body: #d1d5db;
  --muted: #9ca3af;
  --dim: #6b7280;
  --accent: #3b82f6;
  --accent-light: #93c5fd;
  --accent-hover: #2563eb;
  --accent-dim: rgba(59, 130, 246, 0.16);
  --indigo: #4f46e5;
  --ok: #34d399;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, pre { margin: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent-light); outline-offset: 3px; }
svg { display: block; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
.hidden { display: none !important; }

.wrap { max-width: 1152px; margin: 0 auto; }
.accent { color: var(--accent-light); }

/* Buttons. The transparent border keeps a filled button the same height as an
   outlined one. */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 20px;
  transition: background 0.15s, border-color 0.15s;
}
.btn-lg { padding: 14px 28px; }
.btn-accent { background: var(--accent); color: #ffffff; font-weight: 600; }
.btn-accent:hover { background: var(--accent-hover); }
.btn-indigo { background: var(--indigo); color: #ffffff; }
.btn-indigo:hover { background: #4338ca; }
.btn-ghost { border-color: #4b5563; color: #ffffff; }
.btn-ghost:hover { border-color: var(--muted); }

/* Nav */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  height: 64px;
  padding: 0 24px;
  border-bottom: 1px solid var(--rule);
}
.brand { display: flex; align-items: center; gap: 12px; }
.mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 4px;
  background: var(--indigo);
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-name { display: flex; align-items: baseline; gap: 8px; font-size: 18px; font-weight: 600; }
.brand-name .sep { color: #4b5563; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link { color: var(--body); font-size: 15px; }
.nav-link:hover { color: #ffffff; }

/* Hero */
.hero { padding: 96px 24px 72px; }
.hero-inner { max-width: 768px; margin: 0 auto; text-align: center; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: 28px;
  border: 1px solid var(--accent);
  background: var(--accent-dim);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-light);
}
.badge .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--accent-light); }
.hero h1 {
  font-size: 60px;
  line-height: 1.1;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 24px;
  text-wrap: balance;
}
.lede { font-size: 18px; line-height: 1.6; color: var(--muted); margin-bottom: 36px; text-wrap: pretty; }
.actions { display: flex; gap: 12px; justify-content: center; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}
.icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card h3 { font-size: 19px; font-weight: 700; color: #ffffff; margin: 14px 0; }
.card p { font-size: 15px; line-height: 1.6; color: var(--body); }

/* The three cards */
.steps { padding: 24px 24px 80px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }

/* API panel: one accordion of endpoints, each a details element. */
.api { padding: 0 24px 80px; }
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.panel-head { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.panel-head .icon { width: 48px; height: 48px; border-radius: 8px; }
.panel-head h2 { font-size: 24px; font-weight: 700; color: #ffffff; }
.panel-head p { font-size: 14px; color: var(--muted); margin-top: 4px; }
.panel-lede { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 32px; max-width: 880px; }
.endpoints { border: 1px solid var(--border); border-radius: 12px; background: var(--well); overflow: hidden; }
.endpoint + .endpoint { border-top: 1px solid var(--rule); }
.endpoint summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
}
.endpoint summary::-webkit-details-marker { display: none; }
.endpoint summary:hover { background: rgba(31, 41, 55, 0.5); }
.endpoint summary .method { width: 44px; font-size: 11px; font-weight: 600; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.endpoint summary .path { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--text); }
.endpoint summary .what { margin-left: auto; font-size: 13px; color: var(--dim); }
.endpoint summary .chev { color: var(--dim); font-size: 11px; transition: transform 0.15s; }
.endpoint[open] summary .chev { transform: rotate(90deg); }
.method.post { color: var(--ok); }
.method.get { color: var(--accent-light); }
.sample { border-top: 1px solid var(--rule); }
.formats { display: flex; border-bottom: 1px solid var(--rule); }
.formats button {
  font: inherit;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  padding: 7px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--dim);
  cursor: pointer;
}
.formats button.active { color: var(--text); border-bottom-color: var(--accent); background: var(--accent-dim); }
.sample-label { padding: 14px 20px 0; font-size: 10px; font-weight: 600; letter-spacing: 0.06em; color: var(--dim); text-transform: uppercase; }
.sample-label .ok { margin-left: 8px; color: var(--ok); letter-spacing: 0; }
.sample pre {
  padding: 8px 20px 16px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.65;
  color: var(--body);
}
/* Token colours: rail's docs palette. */
.c { color: #d2a8ff; }
.f { color: #ffa657; }
.m { color: var(--ok); font-weight: 600; }
.u { color: var(--accent-light); }
.s { color: #a5d6ff; }
.k { color: #7ee787; }
.n { color: #79c0ff; }
.p { color: var(--dim); }
.h { color: #d2a8ff; }

/* Closing call to action */
.cta { padding: 0 24px 96px; }
.cta-box {
  border: 1px solid var(--accent);
  background: var(--accent-dim);
  border-radius: 16px;
  padding: 48px;
  text-align: center;
}
.cta h2 { font-size: 32px; font-weight: 700; color: #ffffff; margin-bottom: 12px; }
.cta p { font-size: 16px; line-height: 1.6; color: var(--body); max-width: 560px; margin: 0 auto 28px; }

/* Footer */
.footer { border-top: 1px solid var(--rule); padding: 28px 24px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer span { font-size: 14px; color: var(--dim); }
.footer nav { display: flex; gap: 24px; }
.footer nav a { font-size: 14px; color: var(--muted); }
.footer nav a:hover { color: #ffffff; }

/* Tablet: the multi-column blocks stack before the type scale changes. */
@media (max-width: 900px) {
  .steps-grid { grid-template-columns: 1fr; }
  .panel { padding: 28px; }
  .hero h1 { font-size: 44px; }
  .endpoint summary .what { display: none; }
}

/* Phone */
@media (max-width: 640px) {
  .nav { padding: 0 20px; }
  .nav-link { display: none; }
  .nav-links { gap: 16px; }
  .hero { padding: 44px 20px 40px; }
  .hero h1 { font-size: 34px; }
  .lede { font-size: 16px; }
  .actions { flex-direction: column; }
  .actions .btn { justify-content: center; }
  .steps { padding: 0 20px 40px; }
  .steps-grid { gap: 16px; }
  .api, .cta { padding: 0 20px 40px; }
  .cta-box { padding: 28px 22px; }
  .cta h2 { font-size: 24px; }
  .card, .panel { padding: 22px; border-radius: 14px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}