/* Epistat | English landing page for the analysis tools. */
:root {
  --navy: #08376b;
  --ink: #142b45;
  --muted: #52677c;
  --blue: #1768b8;
  --line: #dce5ee;
  --soft: #f7f9fc;
  --page: #ffffff;
  --focus: #075eae;
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--page);
  font-size: 18px;
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.6; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 10px 16px; background: white; color: var(--navy); z-index: 10; }
.skip-link:focus { top: 12px; }
.site-header { max-width: 1320px; margin: auto; padding: 28px 44px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand img { width: 280px; max-width: 100%; height: auto; display: block; }
.site-name { font-size: .76rem; letter-spacing: .12em; font-weight: 650; color: var(--muted); }
main { max-width: 1240px; margin: 0 auto; padding: 54px 44px 40px; }
main:focus { outline: none; }
.intro { max-width: 850px; margin-bottom: 38px; }
.eyebrow { color: var(--navy); font-size: .76rem; letter-spacing: .13em; font-weight: 700; margin: 0 0 20px; }
h1 { font-size: clamp(2.45rem, 4.6vw, 3.7rem); line-height: 1.1; font-weight: 720; letter-spacing: -.045em; margin: 0 0 20px; }
.accent { color: var(--navy); }
.lead { color: var(--muted); font-size: 1.18rem; margin: 0; }
.app-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.app-card { min-width: 0; padding: 30px; border: 1px solid var(--line); border-top: 4px solid var(--navy); border-radius: 14px; display: flex; flex-direction: column; background: white; }
.causal-card { border-top-color: var(--blue); }
.card-top { display: flex; align-items: center; gap: 16px; margin-bottom: 25px; }
.card-number { font-size: 1rem; font-weight: 650; color: var(--navy); width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; }
.category { letter-spacing: .08em; font-size: .77rem; color: var(--muted); font-weight: 650; }
h2 { margin: 0 0 20px; font-size: clamp(1.8rem, 2.65vw, 2.3rem); font-weight: 680; line-height: 1.16; letter-spacing: -.035em; }
.description { margin: 0 0 18px; line-height: 1.6; font-size: 1rem; }
.detail { font-size: .9rem; margin: 0 0 28px; color: var(--muted); }
.card-action { margin-top: auto; }
.open-button { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 17px; color: white; background: var(--navy); border: 1px solid var(--navy); border-radius: 8px; font-size: .94rem; font-weight: 650; text-decoration: none; line-height: 1.4; cursor: pointer; }
.open-button:hover { background: #062b54; }
.open-button[aria-disabled="true"] { background: var(--soft); border-color: var(--line); color: var(--muted); cursor: default; }
.arrow { font-size: 1.3rem; font-weight: 400; flex-shrink: 0; }
.link-note { margin: 10px 0 0; font-size: .85rem; color: var(--muted); }
.navigation-note { font-size: .9rem; color: var(--muted); margin: 24px 0 0; }
.site-footer { max-width: 1320px; margin: 0 auto; border-top: 1px solid var(--line); padding: 22px 44px; display: flex; justify-content: space-between; gap: 20px; font-size: .85rem; color: var(--muted); }
.no-script { border-left: 3px solid var(--navy); padding: 12px 16px; background: var(--soft); }
@media(max-width: 850px) { .site-name { display: none; } main { padding-top: 38px; } }
@media(max-width: 700px) {
  .site-header { padding: 20px 22px; flex-wrap: wrap; }
  .brand img { width: 210px; }
    main { padding: 32px 22px; }
  .app-grid { grid-template-columns: 1fr; gap: 22px; }
  .app-card { padding: 25px; }
  .intro { margin-bottom: 30px; }
  .site-footer { padding: 20px 22px; flex-wrap: wrap; gap: 6px 18px; }
}
@media(max-width: 390px) { .site-header { gap: 16px; } @media(prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

.hub-message{max-width:800px;margin:12vh auto;padding:24px;font:18px/1.6 system-ui,sans-serif}.hub-message img{width:260px;height:auto}.hub-message h1{font-size:36px;margin-top:40px}