:root {
  --bg: #0c1120;
  --bg-2: #11192d;
  --panel: #141d33;
  --panel-soft: rgba(20, 29, 51, 0.78);
  --panel-2: #192441;
  --text: #ebf1ff;
  --muted: #a2b0cf;
  --line: rgba(141, 180, 255, 0.16);
  --line-strong: rgba(141, 180, 255, 0.28);
  --accent: #9abafe;
  --good: #17b26a;
  --warn: #f5a524;
  --bad: #f04438;
  --shadow: 0 14px 38px rgba(0, 0, 0, 0.24);
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.62 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(154,186,254,0.08), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
code, pre, .inline-code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.topbar { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); background: rgba(12, 17, 32, 0.88); border-bottom: 1px solid var(--line); }
.nav-shell, .container, .footer-shell { width: min(1120px, calc(100vw - 32px)); margin: 0 auto; }
.nav-shell { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 10px 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); font-weight: 700; letter-spacing: 0.01em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--line-strong); background: linear-gradient(135deg, #213466, #111a33); display: inline-flex; align-items: center; justify-content: center; box-shadow: inset 0 1px 0 rgba(255,255,255,0.05); }
.brand small { display: block; color: var(--muted); font-weight: 500; font-size: 12px; }
.nav { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.nav a { color: var(--muted); border-radius: 999px; padding: 8px 12px; }
.nav a:hover, .nav a.active { color: var(--text); text-decoration: none; background: rgba(255,255,255,0.04); }
.hero { padding: 64px 0 26px; }
.hero-compact { padding-top: 48px; }
.hero-grid, .grid-3, .grid-2, .grid-4, .result-grid, .two-thirds, .notice-grid { display: grid; gap: 18px; }
.hero-grid { grid-template-columns: minmax(0, 1.3fr) minmax(320px, .9fr); align-items: start; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.two-thirds { grid-template-columns: minmax(0, 1.45fr) minmax(280px, .85fr); }
.notice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card, .soft-card, .callout { border-radius: var(--radius); border: 1px solid var(--line); }
.card { background: linear-gradient(180deg, rgba(22, 31, 53, 0.96), rgba(18, 25, 45, 0.98)); padding: 22px; box-shadow: var(--shadow); }
.soft-card { background: var(--panel-soft); padding: 18px; }
.callout { background: rgba(255,255,255,0.03); padding: 14px 16px; }
.eyebrow { display: inline-block; margin-bottom: 12px; font-size: 12px; letter-spacing: 0.08em; color: #c3d5ff; text-transform: uppercase; }
.h1 { font-size: clamp(2rem, 5.8vw, 3.4rem); line-height: 1.06; margin: 0 0 14px; letter-spacing: -0.02em; }
.h2 { font-size: clamp(1.3rem, 2.8vw, 1.85rem); line-height: 1.15; margin: 0 0 10px; }
.h3 { font-size: 1.05rem; line-height: 1.3; margin: 0; }
.lead { font-size: 1.08rem; color: #d6def6; max-width: 68ch; }
.section { padding: 18px 0 34px; }
.section-intro { color: var(--muted); max-width: 66ch; margin-bottom: 16px; }
.stack { display: grid; gap: 12px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 16px; gap: 10px; border-radius: 14px; border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,0.03); cursor: pointer; }
.btn:hover { text-decoration: none; border-color: var(--line-strong); }
.btn.primary { background: linear-gradient(180deg, #244692, #1a3270); border-color: rgba(154,186,254,0.44); }
.btn.secondary { background: transparent; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.muted { color: var(--muted); }
.small { font-size: 0.93rem; }
.tiny { font-size: 0.82rem; }
.clean-list, .kicker-list { margin: 0; padding-left: 18px; }
.clean-list li { margin: 6px 0; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); color: #dbe6ff; background: rgba(255,255,255,0.03); }
.metric { background: rgba(255,255,255,0.03); border: 1px solid var(--line); border-radius: 18px; padding: 14px; }
.metric strong { display: block; font-size: 1.1rem; }
.input, textarea, select { width: 100%; border-radius: 14px; border: 1px solid var(--line); background: #0f1730; color: var(--text); padding: 12px 14px; }
.input::placeholder, textarea::placeholder { color: #7f8fb4; }
textarea { min-height: 150px; resize: vertical; }
label { display: block; margin-bottom: 8px; font-weight: 600; }
.dropzone { border: 1.5px dashed rgba(154,186,254,0.34); background: rgba(255,255,255,0.02); border-radius: 18px; padding: 20px; text-align: center; color: #dbe6ff; }
.dropzone.is-over { border-color: #c7d8ff; background: rgba(154,186,254,0.08); }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 8px 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.badge { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 6px 10px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.08); font-weight: 700; letter-spacing: 0.01em; }
.badge.good { background: rgba(23,178,106,.12); color: #9cf0c5; border-color: rgba(23,178,106,.35); }
.badge.warn { background: rgba(245,165,36,.12); color: #ffd89a; border-color: rgba(245,165,36,.35); }
.badge.bad { background: rgba(240,68,56,.12); color: #ffb0aa; border-color: rgba(240,68,56,.35); }
.badge.neutral { background: rgba(255,255,255,.04); color: #dbe6ff; }
.sep { border: 0; border-top: 1px solid var(--line); margin: 0; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.inline-code { padding: 1px 6px; border-radius: 8px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); }
.hidden { display: none !important; }
.footer { border-top: 1px solid var(--line); margin-top: 16px; }
.footer-shell { padding: 24px 0 34px; }
.footer-top { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 14px; justify-content: flex-end; }
.footer-bottom { padding-top: 6px; }
.link-list { display: grid; gap: 10px; }
.link-card { display: block; padding: 14px 16px; border-radius: 16px; border: 1px solid var(--line); background: rgba(255,255,255,0.02); color: var(--text); }
.link-card:hover { text-decoration: none; border-color: var(--line-strong); }
.hero-note { border-left: 3px solid rgba(154,186,254,0.42); padding-left: 14px; color: #d7e2ff; }
.list-tight li { margin: 4px 0; }
@media (max-width: 980px) {
  .hero-grid, .grid-4, .grid-3, .grid-2, .result-grid, .two-thirds, .notice-grid { grid-template-columns: 1fr; }
  .nav-shell, .footer-top { flex-direction: column; align-items: flex-start; }
  .nav { justify-content: flex-start; }
  .kv { grid-template-columns: 1fr; }
}


details summary { cursor: pointer; font-weight: 600; color: var(--text); }
details summary:hover { color: #dbe6ff; }
.result-summary { display: grid; gap: 14px; }
.result-summary .card { margin: 0; }
.notice-strip { display: flex; flex-wrap: wrap; gap: 10px; }
.notice-strip .pill { background: rgba(255,255,255,0.025); }