:root {
  --bg: #f5f6f8;
  --panel: #fff;
  --border: #e3e6eb;
  --text: #1a1d23;
  --muted: #697386;
  --accent: #d7263d;
  --sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Consolas, monospace;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body { min-width: 320px; margin: 0; color: var(--text); font: 14px/1.5 var(--sans); }
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: url("/assets/geotopo_fond.jpg") center bottom / cover no-repeat; opacity: .08;
}
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.skip-link { position: absolute; left: 20px; top: -80px; z-index: 2; padding: 12px; background: white; }
.skip-link:focus { top: 10px; }
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 17px 38px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border);
}
.brand-logo { display: block; width: 138px; height: 68px; object-fit: contain; }
.header-label { color: var(--muted); font: 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
main { width: min(1120px, 100%); margin: auto; padding: 0 32px 50px; }
.intro { padding: 48px 0 40px; }
.eyebrow { margin: 0 0 10px; color: var(--accent); font: 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .09em; }
h1 { margin: 0; font-size: clamp(48px, 7vw, 68px); font-weight: 700; letter-spacing: -.04em; line-height: 1.08; }
h1 span { color: var(--accent); }
.intro-copy { margin: 14px 0 4px; font-size: 20px; }
.intro-detail { margin: 0; color: var(--muted); }
.application-section { margin-bottom: 32px; }
.section-heading { display: flex; gap: 13px; align-items: baseline; margin-bottom: 16px; }
.section-number { flex-shrink: 0; padding: 2px 6px; border: 1px solid var(--accent); border-radius: 4px; color: var(--accent); font: 11px/1.4 var(--mono); }
h2 { margin: 0; font-size: 20px; font-weight: 650; }
.section-heading p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.app-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.app-card {
  display: flex; flex-direction: column; min-width: 0; padding: 23px 24px 19px; min-height: 230px;
  border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,.97);
  text-decoration: none; box-shadow: 0 2px 10px rgba(0,0,0,.04);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.app-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 10px 24px rgba(16,24,40,.09); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 34px; margin-bottom: 17px; }
.app-icon { width: 30px; height: 30px; color: var(--accent); fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
h3 { margin: 0 0 8px; font-size: 17px; font-weight: 650; }
.app-card p { margin: 0 0 22px; color: #4f5968; font-size: 13px; line-height: 1.6; }
.card-action { display: flex; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 13px; border-top: 1px solid #eef0f3; font-size: 12px; font-weight: 600; }
.card-action span { color: var(--accent); font-size: 17px; line-height: 1; }
.badge { padding: 4px 8px; color: #805c19; background: #fff5dd; border: 1px solid #f1dfb5; border-radius: 5px; font: 10px/1.4 var(--mono); white-space: nowrap; }
.empty-section { color: var(--muted); }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 22px 38px; border-top: 1px solid var(--border); color: var(--muted); font: 11px/1.4 var(--mono); }
footer span:first-child { color: var(--accent); }
@media (max-width: 850px) { .app-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) {
  .site-header { padding: 14px 20px; }
  .brand-logo { width: 110px; height: 54px; }
  .header-label { max-width: 125px; text-align: right; font-size: 10px; }
  main { padding: 0 20px 30px; }
  .intro { padding: 34px 0 30px; }
  .intro-copy { font-size: 18px; }
  .app-grid { grid-template-columns: 1fr; }
  .app-card { min-height: 210px; }
  footer { padding: 20px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) { .app-card { transition: none; } .app-card:hover { transform: none; } }