:root {
  --ink: #0b0d1a;
  --text: #1c1f33;
  --muted: #5d6178;
  --line: #e4e5ee;
  --paper: #ffffff;
  --tint: #f5f5fb;
  --primary: #4a4ae6;
  --primary-dark: #3d3dd6;
  --accent: #c2410c;
  --hot: #c2410c;
  --warm: #a16207;
  --cold: #4a6fa5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
h1, h2, h3 { color: var(--ink); line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.08rem; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; }
img { display: block; }

.wrap { width: min(1120px, 100%); margin: 0 auto; padding: 0 16px; }
.narrow { width: min(680px, 100%); }
.center { text-align: center; }
.center .lead { margin-inline: auto; }
.lead { font-size: 1.14rem; color: var(--muted); max-width: 54ch; margin-top: 16px; }
.muted { color: var(--muted); }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 12px; z-index: 20; background: var(--paper); padding: 8px 12px; }

.top { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, .95); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; white-space: nowrap; }
nav { display: flex; align-items: center; gap: 8px; }
.nav-link { color: var(--muted); text-decoration: none; font-size: .95rem; padding: 8px 10px; }
.nav-link:hover { color: var(--ink); }

.btn {
  display: inline-block;
  border-radius: 9px;
  padding: 9px 16px;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background-color .15s, border-color .15s;
}
.btn-large { padding: 13px 22px; font-size: 1rem; }
.btn-solid { background: var(--primary); color: #fff; }
.btn-solid:hover { background: var(--primary-dark); }
.btn-quiet { border-color: var(--line); color: var(--ink); background: var(--paper); }
.btn-quiet:hover { border-color: #b9bbcc; }
a:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

.hero { padding: 72px 0; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.board { border: 1px solid var(--line); border-radius: 16px; padding: 20px; background: var(--paper); box-shadow: 0 18px 40px -28px rgba(11, 13, 26, .45); }
.board-title { display: flex; justify-content: space-between; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.board-title .muted { font-weight: 400; font-size: .9rem; }
.row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.dot { flex: none; width: 10px; height: 10px; border-radius: 50%; }
.dot.hot { background: var(--hot); }
.dot.warm { background: var(--warm); }
.dot.cold { background: var(--cold); }
.bar { flex: 1 1 auto; height: 9px; }
.bar::before { content: ""; display: block; height: 100%; border-radius: 5px; background: #e0e1ec; }
.w45::before { width: 45%; }
.w55::before { width: 55%; }
.w60::before { width: 60%; }
.w70::before { width: 70%; }
.w80::before { width: 80%; }
.tag { flex: none; font-size: .78rem; font-weight: 600; }
.tag.hot { color: var(--hot); }
.tag.warm { color: var(--warm); }
.tag.cold { color: var(--cold); }

.band { padding: 72px 0; }
.band-alt { background: var(--tint); }
.band-ink { background: var(--ink); color: #c9cbdc; }
.band-ink h2 { color: #fff; }
.band-ink .lead { color: #c9cbdc; }
.band .btn-large { margin-top: 26px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px 36px; margin-top: 36px; }
.grid p { color: var(--muted); margin-top: 8px; font-size: 1rem; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.checks { list-style: none; margin: 0; padding: 0; }
.checks li { padding: 13px 0 13px 28px; border-top: 1px solid var(--line); position: relative; }
.checks li:first-child { border-top: 0; }
.checks li::before { content: ""; position: absolute; left: 3px; top: 19px; width: 12px; height: 7px; border-left: 2px solid var(--primary); border-bottom: 2px solid var(--primary); transform: rotate(-45deg); }

.foot { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: .92rem; }
.foot-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot a { margin-left: 18px; text-decoration: none; }
.foot a:first-child { margin-left: 0; }
.foot a:hover { color: var(--ink); }

.doc { padding: 56px 0 72px; }
.doc h1 { font-size: 2.1rem; }
.doc h2 { font-size: 1.25rem; margin-top: 30px; }
.doc p { margin-top: 12px; }

@media (max-width: 860px) {
  .hero { padding: 48px 0; }
  .hero-grid, .two { grid-template-columns: 1fr; gap: 36px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .nav-link { display: none; }
}
@media (max-width: 560px) {
  .band { padding: 52px 0; }
  .grid { grid-template-columns: 1fr; }
  .logo span { font-size: .98rem; }
  .btn { padding: 8px 12px; }
  .btn-large { padding: 13px 20px; }
}
@media (max-width: 400px) {
  nav .btn-quiet:has(+ .btn-solid) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}