/* ============================================================================
   Workflows Directory — "The Index"
   A technical-editorial reference catalog. Warm paper, ink type, one cobalt
   accent, hairline rules. Fraunces (display) · Hanken Grotesk (text) ·
   JetBrains Mono (technical). Deliberately NOT dark-mode / not gradient slop.
   ========================================================================== */
:root {
  --paper:   #f7f5ef;   /* warm paper ground */
  --paper-2: #fffefb;   /* raised surfaces / cards */
  --paper-3: #f0ede4;   /* sunken / hover tint */
  --ink:     #1b1a17;   /* primary text (warm near-black) */
  --ink-2:   #6a6459;   /* secondary */
  --ink-3:   #9a9387;   /* tertiary / meta */
  --line:    #e2ddd1;   /* hairline */
  --line-2:  #cfc9ba;   /* stronger hairline */
  --accent:  #1f43e0;   /* cobalt — "blueprint" / compiled */
  --accent-2:#15309e;   /* darker cobalt for hover/contrast */
  --accent-soft: #e9ecfc; /* accent tint bg */
  --accent-ink:  #16225e; /* readable accent text on tint */
  --good:    #0c7a52;   /* verified green-ink */
  --good-soft: #e3f3ec;
  --radius: 10px;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --maxw: 1180px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- top bar ---------- */
.topbar { border-bottom: 1px solid var(--line); background: rgba(247,245,239,0.86); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 50; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { display: block; }
.brand-name { font-family: var(--serif); font-weight: 600; font-size: 20px; letter-spacing: -0.3px; }
.brand-name em { font-style: italic; color: var(--accent); }
.nav { display: flex; align-items: center; gap: 28px; font-size: 14.5px; color: var(--ink-2); }
.nav a { transition: color .18s; }
.nav a:hover { color: var(--ink); }
.nav .nav-cta { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--ink); border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 13px; transition: border-color .18s, background .18s; }
.nav .nav-cta:hover { border-color: var(--ink); background: var(--paper-2); }

/* ---------- hero (editorial, left-aligned) ---------- */
.hero { padding: 76px 0 30px; border-bottom: 1px solid var(--line); }
.hero-eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-3); display: flex; align-items: center; gap: 9px; margin-bottom: 22px; }
.hero-eyebrow a { color: var(--accent); }
.hero-eyebrow .tick { width: 22px; height: 1px; background: var(--line-2); }
.hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(40px, 6.4vw, 78px); line-height: 1.0; letter-spacing: -2px; max-width: 16ch; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero-lead { font-size: clamp(17px, 2vw, 20px); color: var(--ink-2); max-width: 60ch; margin-top: 26px; line-height: 1.55; }
.hero-lead a { color: var(--ink); border-bottom: 1px solid var(--line-2); }
.hero-lead a:hover { border-color: var(--ink); }
.hero-lead strong { color: var(--ink); font-weight: 600; }

/* search */
.search-wrap { position: relative; max-width: 620px; margin: 38px 0 0; }
.search-ico { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: var(--ink-3); }
#search {
  width: 100%; font-family: var(--mono); font-size: 15px; color: var(--ink);
  background: var(--paper-2); border: 1px solid var(--line-2); border-radius: 10px;
  padding: 15px 16px 15px 48px; transition: border-color .18s, box-shadow .18s;
}
#search::placeholder { color: var(--ink-3); }
#search:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-wrap kbd { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-family: var(--mono); font-size: 12px; color: var(--ink-3); border: 1px solid var(--line-2); border-radius: 5px; padding: 2px 7px; background: var(--paper); }

/* stats — inline editorial figures */
.stats { display: flex; flex-wrap: wrap; gap: 40px; margin-top: 40px; }
.stat-fig { display: flex; flex-direction: column; }
.stat-num { font-family: var(--serif); font-weight: 500; font-size: 38px; line-height: 1; letter-spacing: -1px; }
.stat-num.accent { color: var(--accent); }
.stat-label { font-family: var(--mono); font-size: 11.5px; letter-spacing: .5px; text-transform: uppercase; color: var(--ink-3); margin-top: 8px; }

/* ---------- browse ---------- */
.browse { display: grid; grid-template-columns: 200px 1fr; gap: 44px; padding: 40px 0 0; align-items: start; }
.side { position: sticky; top: 84px; }
.side-group + .side-group { margin-top: 30px; }
.side-h { font-family: var(--mono); font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--ink-3); padding-bottom: 10px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.side-list { display: flex; flex-direction: column; }
.side-item { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 14px; color: var(--ink-2); background: none; border: 0; text-align: left; padding: 7px 0; cursor: pointer; border-bottom: 1px solid transparent; transition: color .15s; }
.side-item:hover { color: var(--ink); }
.side-item[aria-pressed="true"] { color: var(--accent); font-weight: 600; }
.side-item .n { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.side-item[aria-pressed="true"] .n { color: var(--accent); }

.results-head { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 18px; margin-bottom: 22px; border-bottom: 1px solid var(--line-2); }
.results-count { font-family: var(--mono); font-size: 13px; color: var(--ink-2); }
.results-count b { color: var(--ink); }
.sort { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--ink-2); }
.sort select { font-family: var(--sans); font-size: 13.5px; color: var(--ink); background: var(--paper-2); border: 1px solid var(--line-2); border-radius: 7px; padding: 6px 10px; cursor: pointer; }

/* ---------- index-card grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(304px, 1fr)); gap: 14px; }
.card {
  position: relative; background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px 16px; cursor: pointer; display: flex; flex-direction: column; gap: 11px; min-height: 172px;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}
.card:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 8px 22px -14px rgba(27,26,23,0.4); }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.card-rank { font-family: var(--mono); font-size: 11px; color: var(--ink-3); padding-top: 3px; }
.card-name { font-family: var(--serif); font-weight: 500; font-size: 19px; line-height: 1.18; letter-spacing: -0.4px; }
.card-src { font-family: var(--mono); font-size: 11.5px; color: var(--accent); margin-top: 4px; word-break: break-all; }
.card-desc { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; }
.badges { display: flex; flex-wrap: wrap; gap: 5px; }
.badge { font-family: var(--mono); font-size: 10px; letter-spacing: .2px; padding: 3px 7px; border-radius: 5px; border: 1px solid var(--line-2); color: var(--ink-2); white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; }
.badge.b-compiled { color: var(--accent-ink); border-color: #c3cbf6; background: var(--accent-soft); }
.badge.b-parallel { color: var(--accent); border-color: #c3cbf6; }
.badge.b-verified { color: var(--good); border-color: #b9e0cd; background: var(--good-soft); }
.badge.b-skill { color: var(--ink-3); }
.topics { display: flex; gap: 6px; flex-wrap: wrap; }
.topic-tag { font-size: 11px; color: var(--ink-3); }
.topic-tag::before { content: "#"; opacity: .5; }

.empty { grid-column: 1 / -1; text-align: center; color: var(--ink-3); padding: 70px; font-family: var(--mono); font-size: 14px; }

/* ---------- how it works ---------- */
.how { padding: 92px 0 0; border-top: 1px solid var(--line); margin-top: 80px; }
.how h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 4vw, 40px); letter-spacing: -1px; margin-bottom: 8px; }
.how p.lede { color: var(--ink-2); max-width: 56ch; margin-bottom: 40px; }
.how-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line-2); }
.how-step { padding: 24px 22px 26px; border-right: 1px solid var(--line); }
.how-step:last-child { border-right: 0; }
.how-step .num { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.how-step h3 { font-family: var(--serif); font-weight: 500; font-size: 21px; letter-spacing: -0.4px; margin: 10px 0 8px; }
.how-step p { font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.how-cta { margin-top: 40px; font-size: 15px; color: var(--ink-2); }
.how-cta code { font-family: var(--mono); font-size: 13.5px; background: var(--paper-2); border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 9px; color: var(--accent-ink); }
.how-cta a { color: var(--accent); border-bottom: 1px solid transparent; } .how-cta a:hover { border-color: var(--accent); }

/* ---------- footer ---------- */
.footer { margin-top: 80px; border-top: 1px solid var(--line); padding: 30px 0 60px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); }
.footer a { color: var(--ink-2); border-bottom: 1px solid var(--line-2); }
.footer a:hover { color: var(--ink); }

/* ---------- modal ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: flex-start; justify-content: center; padding: 56px 24px; overflow-y: auto; }
.modal[hidden] { display: none; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(27,26,23,0.32); backdrop-filter: blur(3px); }
.modal-card { position: relative; z-index: 1; width: min(800px, 100%); background: var(--paper-2); border: 1px solid var(--line-2); border-radius: 14px; padding: 36px; box-shadow: 0 30px 70px -30px rgba(27,26,23,0.5); }
.modal-x { position: absolute; top: 20px; right: 20px; width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--paper); color: var(--ink-2); cursor: pointer; font-size: 15px; transition: border-color .18s, color .18s; }
.modal-x:hover { border-color: var(--ink); color: var(--ink); }
.m-rank { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.m-title { font-family: var(--serif); font-weight: 500; font-size: 34px; letter-spacing: -1px; line-height: 1.08; margin: 6px 0 4px; padding-right: 40px; }
.m-src { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.m-desc { color: var(--ink-2); margin-top: 14px; line-height: 1.6; }
.m-badges { display: flex; gap: 7px; flex-wrap: wrap; margin: 18px 0; }
.m-callout { background: var(--accent-soft); border: 1px solid #c3cbf6; border-radius: 10px; padding: 15px 17px; margin: 18px 0; }
.m-callout .k { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--accent); }
.m-callout p { color: var(--accent-ink); font-size: 14px; margin-top: 6px; line-height: 1.55; }
.m-section { margin-top: 26px; }
.m-section h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--ink-3); margin-bottom: 11px; display: flex; align-items: center; gap: 10px; }
.m-section h4::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.m-code { font-family: var(--mono); font-size: 12.5px; line-height: 1.65; background: #fbfaf6; border: 1px solid var(--line); border-radius: 10px; padding: 16px; overflow-x: auto; color: #33302a; max-height: 340px; white-space: pre; }
.m-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.m-btn { font-size: 14px; font-weight: 500; padding: 10px 16px; border-radius: 9px; display: inline-flex; align-items: center; gap: 7px; cursor: pointer; border: 1px solid var(--line-2); color: var(--ink); background: var(--paper); transition: border-color .18s, background .18s; }
.m-btn:hover { border-color: var(--ink); }
.m-btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.m-btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .browse { grid-template-columns: 1fr; gap: 28px; }
  .side { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .how-steps { grid-template-columns: 1fr 1fr; }
  .how-step:nth-child(2) { border-right: 0; }
  .how-step:nth-child(1), .how-step:nth-child(2) { border-bottom: 1px solid var(--line); }
  .nav a:not(.nav-cta) { display: none; }
}
@media (max-width: 520px) {
  .how-steps { grid-template-columns: 1fr; }
  .how-step { border-right: 0; border-bottom: 1px solid var(--line); }
  .stats { gap: 26px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto; } }