/* stevecad.studio static pages - STEVE app look (palette shared with the Keycloak theme). */
@font-face {
  font-family: "Inter Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("fonts/inter-latin-wght-normal.woff2") format("woff2-variations");
}
:root {
  --bg: #121518; --surface: #171b1f; --surface-2: #1c2125; --border: #2b2f32; --border-strong: #3a4146;
  --text: #eef1f2; --text-2: #b6babd; --text-3: #8a9094;
  --mint: #8fdcc0; --mint-hover: #a7e6cf; --mint-tile: #1c3733; --mint-glow: rgba(143,220,192,.18);
  --blue: #53b6ff; --blue-tile: #1c2f3d; --amber: #e1bb88;
  --font: "Inter Variable", Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--text-2);
  font: 15px/1.7 var(--font); -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv11", "ss01";
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--mint); text-decoration: none; }
a:hover { color: var(--mint-hover); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--mint); outline-offset: 2px; border-radius: 4px; }
::selection { background: #415f57; color: var(--text); }

/* ---- Top bar (like the app chrome) ---- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  height: 56px; padding: 0 20px;
  background: rgba(18,21,24,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); }
.brand:hover { text-decoration: none; color: var(--text); }
.brand img { width: 28px; height: 28px; display: block; }
.brand span { font-weight: 800; font-size: 14px; letter-spacing: .24em; }
.tabs { display: flex; gap: 4px; margin-left: 8px; }
.tabs a {
  font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-3); padding: 7px 12px; border-radius: 7px; border: 1px solid transparent;
}
.tabs a:hover { color: var(--text); text-decoration: none; background: var(--surface); }
.tabs a[aria-current="page"] { color: var(--text); background: var(--surface); border-color: var(--border-strong); }
.topbar .spacer { flex: 1; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 8px; font-weight: 600; font-size: 14px;
  background: var(--mint); color: #0d2a21;
}
.btn:hover { background: var(--mint-hover); color: #0d2a21; text-decoration: none; }

/* ---- Document layout: model-tree style contents + document ---- */
.layout {
  flex: 1; width: 100%; max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 48px;
  padding: 40px 24px 64px;
}
.toc { position: sticky; top: 88px; align-self: start; font-size: 13.5px; }
.toc-title {
  display: flex; align-items: center; gap: 8px;
  color: var(--text); font-weight: 600; margin: 0 0 10px; padding: 0 10px;
}
.toc-title svg { color: var(--text-3); }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc a {
  display: block; padding: 5px 10px; border-radius: 6px; color: var(--text-2); line-height: 1.4;
}
.toc a:hover { background: var(--surface); color: var(--text); text-decoration: none; }
.toc a.active { background: var(--blue-tile); color: var(--text); box-shadow: inset 2px 0 0 var(--blue); }

.doc { max-width: 760px; }
.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text); margin: 0;
}
.eyebrow-sub { font-size: 12px; color: var(--text-3); margin: 2px 0 18px; }
h1 {
  margin: 0 0 14px; color: var(--text); font-size: clamp(2rem, 4vw, 2.6rem); line-height: 1.12;
  font-weight: 700; letter-spacing: -.02em;
}
h1 span { color: var(--mint); }
.lede { font-size: 17px; color: var(--text-2); margin: 0 0 28px; }
.callout {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--amber);
  border-radius: 10px; padding: 14px 16px; margin: 0 0 36px; font-size: 14px;
}
.callout strong { color: var(--text); }
.callout svg { flex: none; margin-top: 3px; color: var(--amber); }
section { padding-top: 8px; margin-bottom: 30px; }
h2 {
  display: flex; align-items: baseline; gap: 10px;
  color: var(--text); font-size: 19px; line-height: 1.35; font-weight: 650; margin: 0 0 10px;
  padding-top: 18px; border-top: 1px solid var(--border);
}
h2 .num { font-size: 12px; color: var(--text-3); font-weight: 600; min-width: 1.6em; font-variant-numeric: tabular-nums; }
h3 { color: var(--text); font-size: 15px; font-weight: 600; margin: 18px 0 6px; }
p { margin: 0 0 12px; }
ul { margin: 0 0 12px; padding-left: 1.25rem; }
li { margin-bottom: 6px; }
li::marker { color: var(--text-3); }
strong { color: var(--text); font-weight: 600; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; margin: 6px 0 14px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; font-size: 14px; line-height: 1.55;
}
.card b { display: block; color: var(--text); font-weight: 600; margin-bottom: 2px; }
table { width: 100%; border-collapse: collapse; margin: 6px 0 16px; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-3); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
td:first-child { color: var(--text); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); margin: 6px 0 16px; }
.table-wrap table { margin: 0; }
.table-wrap tr:last-child td { border-bottom: 0; }

/* ---- Status bar footer ---- */
.status {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px;
  padding: 10px 20px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-3);
}
.status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 3px var(--mint-glow); display: inline-block; margin-right: 8px; }
.status .spacer { flex: 1; }
.status a { color: var(--text-3); }
.status a:hover { color: var(--mint); }

/* ---- Landing ---- */
.hero {
  flex: 1; position: relative; overflow: hidden; display: grid; place-items: center; padding: 64px 24px;
  background: radial-gradient(120% 90% at 50% 40%, #232a2f 0%, #1b2024 55%, #15191c 100%);
}
.hero::before {
  content: ""; position: absolute; inset: -50%;
  background-image:
    repeating-linear-gradient(30deg, transparent 0 55px, #262d32 55px 56px),
    repeating-linear-gradient(150deg, transparent 0 55px, #262d32 55px 56px);
  transform: perspective(900px) rotateX(38deg) translateY(10%);
  -webkit-mask-image: radial-gradient(60% 55% at 50% 55%, #000 30%, transparent 85%);
          mask-image: radial-gradient(60% 55% at 50% 55%, #000 30%, transparent 85%);
}
.hero-inner { position: relative; text-align: center; max-width: 620px; }
.hero-inner img { width: 64px; height: 64px; margin-bottom: 20px; }
.hero-inner h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
.hero-inner p { font-size: 17px; margin: 0 auto 26px; max-width: 520px; }

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 28px 16px 48px; }
  .toc { position: static; margin-bottom: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 6px; }
  .tabs { margin-left: 0; }
  .topbar { gap: 12px; padding: 0 16px; }
  .topbar .btn { display: none; }
}
@media (max-width: 460px) {
  .brand span { display: none; }
}