/* Shared base for docs/*.html — style-guide.html and slide-recommendations.html */

:root {
  --navy: #15244c;
  --blue: #2f5089;
  --orange: #f36d21;
  --ink: #3b3b3b;
  --muted: #64707d;
  --line: #d9dee8;
  --paper: #fffdf7;
  --wash: #f4f0e8;
  --blue-wash: #eaf1fb;
  --green: #2f7d57;
  --green-wash: #e9f6ee;
  --amber: #aa6b16;
  --amber-wash: #fff3d7;
  --red: #b8463b;
  --red-wash: #fff0ee;
  --soft: #f4f4f4;

  --gutter: 28px;
  --col-max: 1120px;
  --section-gap: 36px;
  --block-pad: 32px;
  --stack-1: 8px;
  --stack-2: 14px;
  --stack-3: 22px;
  --stack-4: 32px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(21, 36, 76, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 36, 76, 0.025) 1px, transparent 1px),
    var(--wash);
  background-size: 28px 28px;
  font-family: Montserrat, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: min(var(--col-max), 100%);
  margin: 0 auto;
  padding: var(--gutter);
}

/* Cover */
header.cover {
  padding: 18px 0 26px;
  margin-bottom: var(--section-gap);
  border-top: 3px solid var(--orange);
  border-bottom: 1px solid var(--line);
}
.brand-text {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
header.cover h1 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: clamp(38px, 4.4vw, 64px);
  line-height: 1;
  letter-spacing: -0.005em;
}
header.cover .lead {
  max-width: 720px;
  color: #34404c;
  font-size: 18px;
  line-height: 1.4;
  margin: 0;
}
.cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}
.cover-meta .pair { display: inline-flex; align-items: baseline; gap: 6px; }
.cover-meta strong { color: var(--navy); font-weight: 800; letter-spacing: .04em; text-transform: uppercase; font-size: 11px; }
.cover-meta a { color: var(--navy); text-decoration: none; border-bottom: 1px solid rgba(21,36,76,0.25); font-weight: 700; }
.cover-meta a:hover { border-color: var(--orange); }

/* Sticky TOC */
.toc {
  position: sticky;
  top: 14px;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 10px;
  margin-bottom: var(--section-gap);
  background: rgba(255, 253, 247, 0.94);
  border: 1px solid rgba(21, 36, 76, 0.18);
  border-radius: var(--r-md);
  box-shadow: 0 10px 30px rgba(21, 36, 76, 0.10);
  backdrop-filter: blur(8px);
}
.toc a { padding: 6px 10px; border-radius: var(--r-sm); color: var(--navy); font-size: 12px; font-weight: 800; letter-spacing: .02em; text-decoration: none; }
.toc a:hover { background: var(--blue-wash); }
.toc .spacer { flex: 1; }

/* Section blocks */
section.block {
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--block-pad);
  margin: 0 0 var(--section-gap);
  box-shadow: 0 2px 0 rgba(26, 54, 103, 0.06);
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 14px;
  margin-bottom: var(--stack-4);
  border-bottom: 1px solid var(--line);
}
.section-head .title { display: flex; align-items: baseline; gap: 14px; }
.section-head .num { color: var(--orange); font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.section-head h2 { margin: 0; color: var(--navy); font-size: 26px; line-height: 1.1; letter-spacing: -0.003em; }
.section-head .intro { max-width: 460px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; text-align: right; }

h3.sub {
  margin: 0 0 var(--stack-2);
  color: var(--navy);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 800;
}
.group { margin: 0 0 var(--stack-4); }
.group:last-child { margin-bottom: 0; }

/* Pills */
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 820;
  white-space: nowrap;
}
.pill.good { background: var(--green-wash); color: var(--green); }
.pill.review { background: var(--amber-wash); color: var(--amber); }
.pill.info { background: var(--blue-wash); color: var(--navy); }
.pill.red { background: var(--red-wash); color: var(--red); }

/* Inline code */
code.inline {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  background: var(--soft);
  padding: 1px 5px;
  border-radius: 3px;
}

/* Responsive base */
@media (max-width: 760px) {
  :root { --block-pad: 22px; --section-gap: 26px; --gutter: 18px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head .intro { text-align: left; }
  header.cover h1 { font-size: 40px; }
}