/* AISDLC.DEV public site (D89). Layout from the flow prototype (IBM Plex); colours from the logo: navy, electric blue, violet. */
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-400-latin.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-500-latin.woff2") format("woff2");
}

:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --ink: #0a2649;
  --muted: #46546b;
  --faint: #64708a;
  --line: #d9e0ec;
  --line-strong: #bcc6d8;
  --accent: #1a3fd8;
  --accent-hover: #0f2ca8;
  --accent-soft: #e5ecff;
  --chip: #edf1f8;
  --code-bg: #081a36;
  --code-ink: #e6edf8;
  --code-dim: #8d9bb5;
  --code-ok: #4fe3ff;
  --code-warn: #d79bff;
  --code-say: #8fb4ff;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
code { font-family: var(--mono); font-size: 0.9em; background: var(--chip); padding: 1px 6px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* --- header ------------------------------------------------------------------------------------------------- */
.site-header {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px;
  padding: 8px 32px; background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; }
.brand img { display: block; height: 88px; width: auto; }
.site-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 15px; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }

/* --- layout ------------------------------------------------------------------------------------------------- */
main { max-width: 1160px; margin: 0 auto; padding: 64px 32px 48px; }
main.prose-page { max-width: 820px; }
.eyebrow { margin: 0 0 16px; font-family: var(--mono); font-size: 14px; color: var(--accent); letter-spacing: 0.02em; text-transform: uppercase; }
h1 { margin: 0 0 20px; font-size: clamp(34px, 6vw, 52px); line-height: 1.08; letter-spacing: -0.025em; font-weight: 700; }
.prose-page h1 { font-size: clamp(30px, 5vw, 40px); }
h2 { margin: 0 0 20px; font-size: 28px; letter-spacing: -0.01em; line-height: 1.2; }
h3 { margin: 0 0 8px; font-size: 19px; line-height: 1.3; }
.lede { margin: 0 0 32px; font-size: 19px; color: var(--muted); max-width: 600px; }
.muted { color: var(--muted); }
main > section + section { margin-top: 80px; }

.hero { display: flex; flex-wrap: wrap; gap: 48px; align-items: flex-start; }
.hero-text { flex: 999 1 520px; min-width: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px;
  border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 16px;
}
.btn-primary { background: var(--ink); color: #ffffff; }
.btn-primary:hover { background: var(--accent); color: #ffffff; }
.btn-secondary { border: 1px solid var(--line-strong); color: var(--ink); font-weight: 500; background: transparent; }
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }

.terminal {
  flex: 1 1 360px; min-width: 0; background: var(--code-bg); color: var(--code-ink); border-radius: 12px; padding: 24px;
  font-family: var(--mono); font-size: 14px; line-height: 1.6; overflow-wrap: anywhere;
}
.terminal p { margin: 0 0 4px; }
.terminal .dim { color: var(--code-dim); }
.terminal .say { color: var(--code-say); margin-bottom: 16px; }
.terminal .ok { color: var(--code-ok); }
.terminal .warn { color: var(--code-warn); }
.terminal .gap { margin-top: 16px; }

.cards { display: flex; flex-wrap: wrap; gap: 20px; }
.card {
  flex: 1 1 260px; min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 24px;
}
.card p { margin: 0; color: var(--muted); }
.step { margin: 0 0 8px !important; font-family: var(--mono); color: var(--accent) !important; font-size: 14px; }

.attributes { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px 20px; margin: 0; padding: 0; list-style: none; }
.attributes li { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; }
.attributes strong { display: block; }
.attributes span { color: var(--muted); font-size: 15px; }

/* --- pricing ------------------------------------------------------------------------------------------------ */
.plans { display: flex; flex-wrap: wrap; gap: 20px; align-items: stretch; }
.plan {
  flex: 1 1 300px; min-width: 0; display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--line); border-radius: 12px; padding: 28px;
}
.plan.featured { border: 2px solid var(--accent); box-shadow: 0 8px 24px -16px rgba(26, 63, 216, 0.45); }
.tag { align-self: flex-start; margin: 0 0 12px; font-family: var(--mono); font-size: 13px; padding: 4px 10px; border-radius: 999px; background: var(--chip); color: var(--muted); }
.tag.live { background: var(--accent-soft); color: var(--accent); }
.plan h2, .plan h3 { margin-bottom: 4px; }
.plan .sub { margin: 0 0 20px; color: var(--muted); }
.price { margin: 0 0 24px; font-size: 44px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.price small { font-size: 16px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.ticks { margin: 0 0 28px; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.ticks li { display: flex; gap: 10px; }
.ticks svg { flex: none; margin-top: 4px; color: var(--accent); }
.plan .btn { margin-top: auto; }
.plan .btn-secondary { border-color: var(--ink); }
.notes { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--muted); font-size: 14px; }

/* --- legal pages -------------------------------------------------------------------------------------------- */
.prose h2 { font-size: 22px; margin: 40px 0 12px; }
.prose h3 { font-size: 17px; margin: 24px 0 8px; }
.prose p, .prose li { color: #2b2e35; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li + li { margin-top: 6px; }
.meta { font-family: var(--mono); font-size: 14px; color: var(--faint); margin: 0 0 32px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 20px 24px; margin: 24px 0; }
.panel p { margin: 0; }
.panel p + p { margin-top: 8px; }
dl.contact { display: grid; grid-template-columns: max-content 1fr; gap: 10px 24px; margin: 0; }
dl.contact dt { color: var(--faint); }
dl.contact dd { margin: 0; overflow-wrap: anywhere; }

/* --- footer ------------------------------------------------------------------------------------------------- */
.site-footer { max-width: 1160px; margin: 0 auto; padding: 28px 32px 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 14px; }
.site-footer nav a { color: var(--muted); }
.site-footer p { margin: 0 0 4px; }

@media (max-width: 640px) {
  .site-header { padding: 6px 16px; }
  .brand img { height: 60px; }
  main { padding: 40px 16px 40px; }
  .site-footer { padding: 24px 16px 40px; }
  main > section + section { margin-top: 56px; }
  .lede { font-size: 17px; }
  .price { font-size: 38px; }
  dl.contact { grid-template-columns: 1fr; gap: 2px; }
  dl.contact dd { margin-bottom: 10px; }
}