/* Design tokens. Status is never shown by colour alone (icons and words too). */
:root {
  --bg: #f5f6fb;
  --surface: #ffffff;
  --surface-2: #eef0fa;
  --ink: #14172b;
  --muted: #565b78;
  --line: #e1e4f0;
  --primary: #4338ca;
  --primary-ink: #ffffff;
  --primary-soft: #e8e9fb;
  --ok: #0b6e63;
  --ok-soft: #dff4f0;
  --warn: #9a4a05;
  --warn-soft: #fdf0dc;
  --shadow: 0 1px 2px rgba(20, 23, 43, 0.06), 0 8px 24px rgba(20, 23, 43, 0.06);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0f1e;
    --surface: #161a2d;
    --surface-2: #1d2238;
    --ink: #eceefa;
    --muted: #a5abc7;
    --line: #2a3050;
    --primary: #9aa1ff;
    --primary-ink: #0d0f1e;
    --primary-soft: #232852;
    --ok: #4fd8c4;
    --ok-soft: #12312e;
    --warn: #fbbf5a;
    --warn-soft: #3a2a10;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}
:root[data-theme="dark"] {
  --bg: #0d0f1e;
  --surface: #161a2d;
  --surface-2: #1d2238;
  --ink: #eceefa;
  --muted: #a5abc7;
  --line: #2a3050;
  --primary: #9aa1ff;
  --primary-ink: #0d0f1e;
  --primary-soft: #232852;
  --ok: #4fd8c4;
  --ok-soft: #12312e;
  --warn: #fbbf5a;
  --warn-soft: #3a2a10;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 6px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .inner {
  max-width: 1040px; margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.brand { font-weight: 800; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  background: var(--primary); color: var(--primary-ink); font-size: 15px;
}
.site-header nav { display: flex; gap: 4px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.site-header nav a {
  color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.95rem;
  padding: 6px 12px; border-radius: 999px;
}
.site-header nav a:hover { color: var(--ink); background: var(--surface-2); }
.site-header nav a[aria-current="page"] { color: var(--primary); background: var(--primary-soft); }
.theme-btn {
  width: 38px; height: 38px; padding: 0; border-radius: 999px;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line); font-size: 1rem;
}

/* Layout */
main { max-width: 1040px; margin: 0 auto; padding: 32px 20px 72px; }
.page-title { font-size: clamp(1.7rem, 4vw, 2.3rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 8px; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 62ch; margin: 0 0 20px; }
h2 { font-size: 1.2rem; margin: 0 0 8px; letter-spacing: -0.01em; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }

.notice {
  background: var(--warn-soft); color: var(--ink);
  border: 1px solid var(--line); border-left: 4px solid var(--warn);
  padding: 10px 14px; border-radius: 10px; font-size: 0.92rem;
}
.notice::before { content: "ⓘ "; color: var(--warn); font-weight: 700; }

/* Controls */
button {
  font: inherit; font-weight: 650; padding: 10px 18px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--primary); background: var(--primary); color: var(--primary-ink);
  transition: transform .06s ease, filter .15s ease;
}
button:hover { filter: brightness(1.07); }
button:active { transform: translateY(1px); }
button.secondary { background: transparent; color: var(--primary); }
button.secondary:hover { background: var(--primary-soft); filter: none; }
button:disabled { opacity: 0.6; cursor: wait; }
.row { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
textarea {
  width: 100%; min-height: 150px; padding: 12px 14px; font: inherit; color: var(--ink);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; resize: vertical;
}
textarea::placeholder { color: var(--muted); }
.status { min-height: 1.5em; color: var(--muted); font-size: 0.95rem; }
.error { color: var(--warn); font-weight: 650; }

/* Home */
.hero { padding: 24px 0 8px; }
.hero .page-title { max-width: 18ch; }
.kicker { color: var(--primary); font-weight: 700; font-size: 0.85rem; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 8px; }
.feature { display: flex; flex-direction: column; gap: 6px; }
.feature .icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--primary-soft); font-size: 1.3rem; margin-bottom: 6px;
}
.feature a.cta { margin-top: auto; padding-top: 10px; font-weight: 700; text-decoration: none; }
.feature a.cta:hover { text-decoration: underline; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; counter-reset: s; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; counter-increment: s; }
.steps li::before {
  content: counter(s); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 999px;
  background: var(--primary); color: var(--primary-ink); font-weight: 700; margin-bottom: 8px;
}
@media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }
.section { margin-top: 36px; }

/* Discovery */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-top: 8px; }
.stat { background: var(--surface-2); border-radius: 12px; padding: 14px; }
.stat b { display: block; font-size: 1.8rem; letter-spacing: -0.02em; }
.table-wrap { overflow-x: auto; margin-top: 8px; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.93rem; background: var(--surface); }
th { background: var(--surface-2); text-align: left; font-size: 0.8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-weight: 650; font-size: 0.82rem; white-space: nowrap; }
.match-yes { color: var(--ok); font-weight: 700; }
.match-no { color: var(--warn); font-weight: 700; }
.bar-row { display: grid; grid-template-columns: 190px 1fr 90px; gap: 12px; align-items: center; margin: 8px 0; }
.bar-track { height: 14px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.bar { height: 100%; background: var(--primary); border-radius: 999px; min-width: 4px; }
@media (max-width: 600px) { .bar-row { grid-template-columns: 1fr; gap: 4px; } }

.site-footer { border-top: 1px solid var(--line); padding: 20px; text-align: center; color: var(--muted); font-size: 0.88rem; }