:root { --ink: #20372d; --muted: #52645a; --line: #d9e0d6; --paper: #fafbf7; --accent: #305b50; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: #17653d; }
:focus-visible { outline: 3px solid #a14f16; outline-offset: 5px; }
[hidden] { display: none !important; }
.wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.header { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; font-size: 19px; text-decoration: none; letter-spacing: -.5px; }
.brand-icon { font-size: 32px; }
nav { display: flex; gap: 30px; font-size: 14px; }
nav a { text-decoration: none; }
.skip { position: absolute; top: 8px; left: 8px; transform: translateY(-200%); padding: 10px 16px; background: white; z-index: 1; }
.skip:focus { transform: none; }
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; padding-block: 80px; }
.eyebrow { font-size: 11px; font-weight: 750; letter-spacing: 1.7px; color: var(--accent); margin: 0 0 20px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(36px, 4vw, 54px); line-height: 1.12; letter-spacing: -2px; margin-bottom: 24px; font-weight: 650; }
h2 { font-size: clamp(28px, 3vw, 36px); font-weight: 600; line-height: 1.25; letter-spacing: -1px; margin-bottom: 22px; }
h3 { line-height: 1.4; font-size: 19px; font-weight: 650; margin-bottom: 14px; }
.lead { font-size: 18px; color: var(--muted); max-width: 540px; margin-bottom: 28px; }
.button { display: inline-flex; gap: 35px; background: var(--accent); color: white; border-radius: 4px; padding: 12px 20px; text-decoration: none; font-size: 14px; font-weight: 600; }
.button:hover { color: white; background: #244936; }
.login { max-width: 390px; }
.login input { margin-bottom: 18px; }
.login .button { width: 100%; justify-content: center; border: 0; font: inherit; cursor: pointer; }
.login .button:disabled { opacity: .65; cursor: wait; }
.login-status { min-height: 3.3em; margin: 14px 0 0; font-size: 14px; color: var(--muted); }
.hero-note { font-size: 12px; color: var(--muted); margin: 16px 0 0; }
.map { background: #edf2e7; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; transform: rotate(-2deg); }
.map svg { display: block; width: 100%; height: auto; }
.map-caption { display: block; border-top: 1px solid var(--line); padding: 12px 18px; font: 10px/1.6 monospace; letter-spacing: 1.5px; color: var(--muted); }
.strip { border-block: 1px solid var(--line); background: #f0f3ec; }
.strip-inner { display: flex; justify-content: space-between; gap: 20px; padding-block: 17px; font-size: 12px; color: var(--muted); }
.section { padding-block: 68px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; }
.section-heading > p { font-size: 13px; color: var(--muted); margin-bottom: 26px; }
.filters { display: grid; grid-template-columns: 1fr 220px; gap: 16px; margin-top: 14px; }
label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 600; }
input, select { width: 100%; min-height: 47px; border: 1px solid #aab8aa; border-radius: 4px; padding: 10px 12px; font: inherit; font-size: 15px; color: var(--ink); background: white; }
input::placeholder { color: #617065; }
.results { color: var(--muted); font-size: 12px; margin-block: 18px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: white; border: 1px solid var(--line); border-radius: 5px; padding: 26px; display: flex; flex-direction: column; }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; gap: 8px; }
.tag { font-size: 10px; letter-spacing: 1px; color: var(--accent); font-weight: 750; }
.format { font: 11px/1.5 monospace; padding: 3px 8px; background: #f0f3ec; border-radius: 3px; }
.card > p { font-size: 14px; color: var(--muted); }
dl { font-size: 12px; margin: auto 0 20px; padding-top: 10px; }
dl div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid #edf0e9; padding-block: 7px; }
dt { color: var(--muted); }
dd { margin: 0; text-align: right; }
.card .demo { font-size: 11px; margin-bottom: 16px; }
.download { display: flex; justify-content: space-between; gap: 10px; font-size: 14px; font-weight: 650; padding-top: 16px; border-top: 1px solid var(--line); text-decoration: none; }
.notice { padding: 20px; background: #edf2e7; border-left: 3px solid var(--accent); }
.guide-band { background: #edf2e7; border-block: 1px solid var(--line); }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 42px; margin-top: 32px; }
.step { display: block; font: 13px/1.6 monospace; color: var(--accent); margin-bottom: 14px; }
.guide-grid p, .about p { font-size: 14px; color: var(--muted); }
code { font-size: 12px; overflow-wrap: anywhere; }
.about { display: grid; grid-template-columns: 1fr 1.35fr; gap: 70px; }
.about h3 { margin-top: 28px; font-size: 16px; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer .brand { font-size: 15px; color: var(--ink); }
@media (max-width: 900px) {
  .hero { gap: 32px; padding-block: 55px; }
  .cards { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .guide-grid { gap: 24px; }
  .about { gap: 32px; }
  .footer { flex-wrap: wrap; }
}
@media (max-width: 600px) {
  .wrap { width: calc(100% - 36px); }
  .header { flex-direction: column; align-items: start; gap: 12px; padding-block: 20px; }
  nav { gap: 20px; font-size: 13px; flex-wrap: wrap; }
  .hero { grid-template-columns: 1fr; gap: 35px; padding-block: 40px; }
  h1 { letter-spacing: -1.3px; }
  .map { transform: none; }
  .strip-inner { flex-wrap: wrap; gap: 6px 20px; }
  .strip-inner span:first-child { width: 100%; }
  .section { padding-block: 42px; }
  .filters, .guide-grid, .about { grid-template-columns: 1fr; }
  .guide-grid, .about { gap: 20px; }
  .footer { align-items: start; flex-direction: column; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }