:root {
  --bg: #0b1020;
  --bg-soft: #121936;
  --card: rgba(18, 25, 54, 0.82);
  --card-solid: #131c38;
  --line: rgba(255, 255, 255, 0.09);
  --text: #edf2ff;
  --muted: #a7b1cf;
  --accent: #6ea8fe;
  --accent-strong: #8ef0c2;
  --warning: #ffcc7b;
  --danger: #ff9595;
  --shadow: 0 24px 70px rgba(2, 8, 23, 0.45);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #182553 0%, #0b1020 45%, #070b16 100%);
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.page-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px; padding: 18px 0; margin-bottom: 24px;
  backdrop-filter: blur(20px);
}
.brand { font-weight: 800; font-size: 1.2rem; letter-spacing: -0.03em; }
.topnav { display: flex; flex-wrap: wrap; gap: 16px; color: var(--muted); font-size: 0.95rem; }
.topnav a:hover, .text-button:hover { color: var(--text); }
.card, .glass {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.glass { background: linear-gradient(180deg, rgba(23,33,68,0.85), rgba(12,18,36,0.85)); }
.hero { display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 24px; padding: 22px 0 10px; }
.hero-copy, .hero-panel, .grader-form, .results-panel, .cta-card, .prose, .step-card, .feature-grid .card, .mini-card, .summary-card, .band-card { padding: 28px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.76rem; color: var(--accent-strong); margin: 0 0 10px; }
h1, h2, h3, h4 { letter-spacing: -0.04em; margin: 0 0 14px; }
h1 { font-size: clamp(2.6rem, 5vw, 4.9rem); line-height: 0.96; }
h2 { font-size: clamp(1.9rem, 3vw, 3rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1rem; margin-top: 0; }
p { color: var(--muted); line-height: 1.65; margin: 0 0 14px; }
.lead { font-size: 1.1rem; max-width: 62ch; }
.muted { color: var(--muted); }
.bullet-list, .check-list, .progress-list, .stack-list, .tag-list { margin: 0; padding-left: 18px; color: var(--text); }
.bullet-list li, .check-list li, .progress-list li, .stack-list li, .tag-list li { margin-bottom: 10px; line-height: 1.5; }
.two-col { columns: 2; column-gap: 28px; }
.button, .text-button {
  border: 0; border-radius: 999px; cursor: pointer; transition: 0.2s ease;
}
.button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 20px; font-weight: 700;
}
.button:hover { transform: translateY(-1px); }
.primary { background: linear-gradient(135deg, var(--accent) 0%, #8d7dff 100%); color: #07101d; }
.secondary { background: rgba(255,255,255,0.05); color: var(--text); border: 1px solid var(--line); }
.hero-actions, .chip-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 16px; }
.trust-line, .panel-note { font-size: 0.95rem; }
.panel-label { color: var(--text); font-weight: 700; margin-bottom: 12px; }
.section { padding: 44px 0; }
.section-heading { max-width: 760px; margin-bottom: 22px; }
.grader-layout { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 24px; align-items: start; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
label { display: block; margin-bottom: 18px; }
label span { display: block; font-weight: 600; margin-bottom: 8px; }
input, textarea, select {
  width: 100%; padding: 14px 16px; border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08); background: rgba(7,11,22,0.55); color: var(--text);
}
input:focus, textarea:focus, select:focus { outline: 2px solid rgba(110,168,254,0.45); border-color: transparent; }
small { display: block; color: var(--muted); margin-top: 8px; line-height: 1.45; }
.hint-banner { padding: 14px 16px; border-radius: 18px; background: rgba(142,240,194,0.08); color: var(--text); margin-bottom: 18px; border: 1px solid rgba(142,240,194,0.15); }
.dimension-list { display: grid; gap: 16px; }
.dimension-card { padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,0.03); }
.dimension-card header { display: flex; justify-content: space-between; gap: 12px; align-items: start; margin-bottom: 14px; }
.dimension-card p { margin-bottom: 12px; }
.control-row { display: grid; grid-template-columns: 1fr 180px; gap: 14px; }
.range-output { font-weight: 700; color: var(--accent-strong); }
.results-header, .meta-grid, .two-up { display: grid; gap: 16px; }
.results-header { grid-template-columns: 1fr 140px; align-items: center; }
.score-orb {
  width: 120px; height: 120px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,0.08); background: radial-gradient(circle, rgba(110,168,254,0.25), rgba(255,255,255,0.03));
}
.score-orb span { font-size: 2.5rem; font-weight: 800; display: block; }
.band-card, .summary-card { margin: 20px 0; }
.meta-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mini-card { background: rgba(255,255,255,0.03); border-radius: 20px; border: 1px solid var(--line); }
.mini-label { display: block; color: var(--muted); font-size: 0.82rem; margin-bottom: 10px; }
.text-button { background: none; color: var(--accent-strong); padding: 0; font-weight: 700; }
.score-grid, .feature-grid, .step-grid, .promo-grid { display: grid; gap: 18px; }
.score-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.score-card { padding: 18px; border-radius: 20px; background: rgba(255,255,255,0.03); border: 1px solid var(--line); }
.score-card strong { display: block; font-size: 1.7rem; margin: 6px 0; }
.score-card .status { font-size: 0.82rem; color: var(--accent-strong); text-transform: uppercase; letter-spacing: 0.08em; }
.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
.tag-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.tag-list li { padding: 10px 14px; border-radius: 999px; background: rgba(142,240,194,0.08); border: 1px solid rgba(142,240,194,0.12); color: var(--text); margin: 0; }
.tag-list.warning li, .stack-list.warning li { background: rgba(255,149,149,0.08); border: 1px solid rgba(255,149,149,0.16); }
.stack-list { padding-left: 18px; }
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.step-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.step-card span { display: inline-flex; width: 42px; height: 42px; border-radius: 50%; align-items: center; justify-content: center; background: rgba(110,168,254,0.15); font-weight: 800; margin-bottom: 16px; }
.promo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cta-card-wrap { padding-bottom: 64px; }
.cta-card { text-align: center; }
.site-footer { padding: 0 0 40px; color: var(--muted); text-align: center; }
.site-footer nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px; margin-bottom: 12px; }
.toast {
  position: fixed; right: 20px; bottom: 20px; z-index: 20;
  padding: 14px 18px; border-radius: 16px; background: rgba(16, 23, 47, 0.96); color: var(--text);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.hidden { display: none !important; }
.page-hero { padding: 34px 0 14px; }
.page-hero h1 { font-size: clamp(2.2rem, 4vw, 4rem); }
.content-grid { display: grid; grid-template-columns: 280px 1fr; gap: 24px; padding-bottom: 50px; }
.side-nav { position: sticky; top: 90px; align-self: start; padding: 22px; }
.side-nav a { display: block; padding: 8px 0; color: var(--muted); }
.side-nav a:hover { color: var(--text); }
.content-stack { display: grid; gap: 20px; }
.content-stack .card { padding: 24px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); }
@media (max-width: 980px) {
  .hero, .grader-layout, .promo-grid, .content-grid, .results-header, .two-up { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meta-grid, .score-grid, .form-grid, .control-row { grid-template-columns: 1fr; }
  .side-nav { position: static; }
}
@media (max-width: 640px) {
  .page-shell { width: min(100% - 20px, 1180px); }
  .topbar { align-items: start; flex-direction: column; }
  .feature-grid, .step-grid { grid-template-columns: 1fr; }
  .two-col { columns: 1; }
  .hero-copy, .hero-panel, .grader-form, .results-panel, .cta-card, .prose, .step-card, .feature-grid .card, .mini-card, .summary-card, .band-card { padding: 22px; }
}