:root {
  --bg: #0e1116;
  --bg-2: #161a22;
  --surface: #171d26;
  --surface-2: #223044;
  --surface-soft: rgba(255, 255, 255, 0.055);
  --surface-strong: rgba(255, 255, 255, 0.095);
  --text: #f4f8ff;
  --text-soft: #c7d4e8;
  --muted: #94a6bf;
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.24);
  --accent: #4f8cff;
  --accent-2: #18b7a3;
  --accent-3: #00d37f;
  --premium: #d8af45;
  --danger: #ff6b6b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --type-caption: clamp(0.72rem, 0.08vw + 0.70rem, 0.80rem);
  --type-small: clamp(0.82rem, 0.10vw + 0.78rem, 0.92rem);
  --type-body: clamp(0.95rem, 0.15vw + 0.90rem, 1.05rem);
  --type-lead: clamp(1.05rem, 0.35vw + 0.96rem, 1.24rem);
  --type-h3: clamp(1.18rem, 0.55vw + 1.02rem, 1.55rem);
  --type-h2: clamp(1.55rem, 1.15vw + 1.20rem, 2.35rem);
  --type-h1: clamp(2.15rem, 2.60vw + 1.35rem, 3.85rem);
  --type-display: clamp(2.35rem, 3.20vw + 1.25rem, 4.35rem);
  --space-1: 0.35rem;
  --space-2: 0.55rem;
  --space-3: 0.85rem;
  --space-4: 1.15rem;
  --space-5: 1.60rem;
  --space-6: 2.25rem;
  --space-7: 3.25rem;
  --space-8: 4.75rem;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at top left, rgba(79,140,255,.20), transparent 32rem), radial-gradient(circle at top right, rgba(24,183,163,.14), transparent 28rem), var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: var(--type-body); line-height: 1.65; }
img, svg, canvas, video { max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }
p { margin: 0; color: var(--text-soft); max-width: 68ch; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: 0; overflow-wrap: anywhere; }
h1 { font-size: var(--type-h1); }
h2 { font-size: var(--type-h2); }
h3 { font-size: var(--type-h3); }
ul { margin: 0; padding-left: 1.1rem; color: var(--text-soft); }
li + li { margin-top: .45rem; }
.container { width: min(100% - 40px, 1180px); margin-inline: auto; }
.section { padding-block: clamp(3.5rem, 6vw, 6.5rem); }
.stack { display: grid; gap: var(--space-4); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.grid-2 > *, .grid-3 > *, .card, .panel, .nav, .hero-copy, .timeline-item { min-width: 0; }
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(18px); background: rgba(14,17,22,.82); border-bottom: 1px solid var(--line); }
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.logo { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; font-weight: 900; overflow-wrap: anywhere; }
.logo-mark { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 14px 35px rgba(79,140,255,.28); }
.nav-links { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a { text-decoration: none; font-size: var(--type-small); color: var(--text-soft); font-weight: 800; padding: .52rem .72rem; border-radius: 999px; overflow-wrap: anywhere; }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface-strong); }
.hero { padding-block: clamp(4.5rem, 7vw, 7.5rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(280px, .76fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.hero h1 { font-size: var(--type-display); max-width: 12ch; }
.eyebrow { color: var(--premium); font-weight: 900; font-size: var(--type-caption); text-transform: uppercase; letter-spacing: .08em; }
.lead { font-size: var(--type-lead); color: var(--text-soft); }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 44px; padding: .72rem 1rem; border-radius: 999px; border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,.075); text-decoration: none; font-size: var(--type-small); font-weight: 800; line-height: 1.1; overflow-wrap: anywhere; cursor: pointer; }
.btn.primary { border: 0; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid rgba(0,196,216,.85); outline-offset: 3px; }
.card, .panel { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.085), rgba(255,255,255,.035)); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: clamp(1.1rem, 2vw, 1.75rem); min-width: 0; overflow-wrap: break-word; }
.card p, .panel p, .card li, .panel li { color: var(--text-soft); }
.metric { display: grid; gap: .2rem; }
.metric strong { font-size: var(--type-h2); color: var(--text); }
.metric span, .caption { color: var(--muted); font-size: var(--type-caption); }
.hero-visual { position: relative; border: 1px solid var(--line); border-radius: 28px; padding: var(--space-5); background: linear-gradient(160deg, rgba(34,48,68,.92), rgba(23,29,38,.88)); box-shadow: var(--shadow); }
.orbit { aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; background: radial-gradient(circle, rgba(0,211,127,.18), transparent 55%); }
.orbit-core { width: 52%; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; text-align: center; padding: 1rem; background: linear-gradient(135deg, var(--accent), var(--accent-2)); font-weight: 900; }
.badge { display: inline-flex; align-items: center; gap: .4rem; color: var(--text); background: rgba(255,255,255,.08); border: 1px solid var(--line); border-radius: 999px; padding: .4rem .72rem; font-size: var(--type-caption); font-weight: 800; overflow-wrap: anywhere; }
.page-hero { padding-block: clamp(3.5rem, 6vw, 5.5rem); border-bottom: 1px solid var(--line); }
.page-hero .lead { margin-top: var(--space-3); }
.kicker-row { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: var(--space-4); }
.timeline { display: grid; gap: var(--space-4); }
.timeline-item { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-4); align-items: start; }
.step-number { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--premium), var(--accent-2)); color: #101318; font-weight: 900; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { text-align: left; padding: .9rem 1rem; border-bottom: 1px solid var(--line); color: var(--text-soft); }
th { color: var(--text); background: rgba(255,255,255,.06); }
.accordion button { width: 100%; text-align: left; margin-top: .75rem; }
.accordion-panel { display: none; padding: 1rem 0 0; }
.accordion-panel.open { display: block; }
.tool-box { display: grid; gap: var(--space-4); }
.range-line { display: grid; gap: .45rem; }
input[type="range"] { width: 100%; accent-color: var(--accent-2); }
.output-card { border: 1px solid var(--line-strong); background: rgba(0,211,127,.08); border-radius: var(--radius-md); padding: var(--space-4); }
.score { font-size: var(--type-h1); color: var(--accent-3); font-weight: 900; line-height: 1; }
.filter-row { display: flex; flex-wrap: wrap; gap: .65rem; }
.filter-btn[aria-pressed="true"] { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; }
.resource-list { display: grid; gap: .75rem; }
.resource-link { display: flex; justify-content: space-between; gap: 1rem; text-decoration: none; padding: 1rem; border-radius: var(--radius-md); border: 1px solid var(--line); background: rgba(255,255,255,.055); overflow-wrap: anywhere; }
.form-grid { display: grid; gap: var(--space-4); }
label { color: var(--text); font-weight: 800; font-size: var(--type-small); }
input, textarea, select { width: 100%; min-height: 46px; border: 1px solid var(--line); background: rgba(255,255,255,.075); color: var(--text); border-radius: var(--radius-md); padding: .75rem .9rem; }
textarea { min-height: 130px; resize: vertical; }
.reason-group { border: 0; margin: 0; padding: 0; }
.reason-group legend { color: var(--text); font-size: var(--type-small); font-weight: 800; margin-bottom: var(--space-3); }
.reason-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.reason-input { position: absolute; inline-size: 1px; block-size: 1px; margin: -1px; padding: 0; border: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.reason-card { display: grid; gap: .25rem; min-width: 0; padding: .95rem 1rem; border-radius: var(--radius-md); border: 1px solid var(--line); background: rgba(255,255,255,.075); color: var(--text); cursor: pointer; transition: border-color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease; overflow-wrap: break-word; }
.reason-card .reason-title { color: var(--text); font-size: var(--type-small); font-weight: 800; line-height: 1.25; }
.reason-card .reason-note { color: var(--text-soft); font-size: var(--type-caption); line-height: 1.45; }
.reason-card:hover, .reason-input:focus-visible + .reason-card { border-color: rgba(0,196,216,.70); background: linear-gradient(135deg, rgba(79,140,255,.18), rgba(0,196,216,.10)); box-shadow: 0 0 0 4px rgba(0,196,216,.13); transform: translateY(-1px); }
.reason-input:checked + .reason-card { border-color: rgba(0,211,127,.82); background: linear-gradient(135deg, rgba(0,211,127,.18), rgba(79,140,255,.14)); }
.site-footer { border-top: 1px solid var(--line); padding: var(--space-6) 0; color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
@media (max-width: 980px) { .grid-2, .grid-3, .hero-grid { grid-template-columns: 1fr; } .container { width: min(100% - 28px, 1180px); } .nav { align-items: flex-start; padding-block: .9rem; flex-direction: column; } .nav-links { justify-content: flex-start; } .hero h1 { max-width: 14ch; } }
@media (max-width: 720px) { .reason-grid { grid-template-columns: 1fr; } .resource-link, .timeline-item { grid-template-columns: 1fr; display: grid; } .nav-links a { padding: .45rem .55rem; } .hero { padding-top: 3rem; } }