* { box-sizing: border-box; }
:root {
  color-scheme: light dark;
  --background: #f5f6f8;
  --surface: #ffffff;
  --surface-soft: #edf0f5;
  --text: #172033;
  --secondary: #5c6575;
  --line: #d8dde6;
  --accent: #1768d7;
  --accent-soft: #e8f1ff;
  --shadow: 0 16px 42px rgba(27, 37, 54, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #10141b;
    --surface: #1b212c;
    --surface-soft: #242c39;
    --text: #f3f6fb;
    --secondary: #b6bfcd;
    --line: #394352;
    --accent: #75aaff;
    --accent-soft: #193253;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  }
}
html { min-width: 300px; }
body {
  min-height: 100vh; margin: 0; background: var(--background); color: var(--text);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 0.18em; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 6px; }
.site-header {
  min-height: 70px; padding: 12px clamp(18px, 4vw, 48px); display: flex;
  align-items: center; justify-content: space-between; gap: 22px;
  border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 94%, transparent);
}
.site-brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-weight: 750; text-decoration: none; }
.monogram {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px;
  background: var(--text); color: var(--background); font-size: 0.86rem; letter-spacing: -0.04em;
}
.header-link { color: var(--secondary); font-weight: 650; text-decoration: none; }
.language-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 16px; }
.language-nav a { color: var(--secondary); font-size: 0.94rem; text-decoration: none; }
.language-nav a[aria-current="page"] { color: var(--text); font-weight: 750; }
.home-shell, .app-shell, .landing-shell, .page-shell { width: min(100% - 36px, 980px); margin-inline: auto; }
.home-shell { padding-block: clamp(58px, 10vw, 110px); }
.home-intro { max-width: 720px; margin-bottom: 58px; }
.landing-shell { min-height: calc(100vh - 180px); display: grid; align-content: center; padding-block: 58px; }
.page-shell { width: min(100% - 36px, 780px); padding-block: 34px 58px; }
.app-shell { padding-block: 34px 72px; }
.eyebrow, .platform-list { color: var(--secondary); font-size: 0.84rem; font-weight: 750; letter-spacing: 0.09em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.03em; }
h1 { margin: 0 0 20px; font-size: clamp(2.55rem, 7vw, 5rem); }
h2 { margin: 2.15em 0 0.65em; font-size: clamp(1.38rem, 4vw, 1.82rem); }
h3 { margin: 1.75em 0 0.5em; }
p, li { max-width: 68ch; }
.lede { margin: 0 0 30px; color: var(--secondary); font-size: clamp(1.08rem, 2.4vw, 1.3rem); }
.section-heading { margin: 0 0 18px; font-size: 1rem; letter-spacing: 0.02em; }
.app-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.app-card {
  position: relative;
  display: grid; grid-template-columns: 80px minmax(0, 1fr) auto; align-items: center; gap: 18px;
  min-height: 152px; padding: 24px; border: 1px solid var(--line); border-radius: 22px;
  background: var(--surface); color: var(--text); text-decoration: none; box-shadow: var(--shadow);
}
.app-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.app-card-icon, .app-icon-large { display: block; object-fit: cover; background: var(--surface-soft); }
.app-card-icon { width: 80px; height: 80px; border-radius: 20%; box-shadow: 0 8px 20px rgba(16, 24, 40, 0.12); }
.app-card-copy { min-width: 0; }
.app-card-copy strong { display: block; margin-bottom: 5px; font-size: 1.12rem; }
.app-card-copy small { display: block; color: var(--secondary); font-size: 0.92rem; line-height: 1.45; }
.app-card-copy .platform-list { display: block; margin-top: 12px; font-size: 0.7rem; }
.card-arrow { color: var(--secondary); font-size: 1.35rem; }
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 38px; color: var(--secondary); font-weight: 650; text-decoration: none; }
.app-hero { display: grid; grid-template-columns: 160px minmax(0, 1fr); align-items: center; gap: clamp(30px, 7vw, 72px); padding-block: 28px; }
.app-icon-large { width: 160px; height: 160px; border-radius: 22%; box-shadow: 0 20px 46px rgba(16, 24, 40, 0.18); }
.app-hero h1 { font-size: clamp(2.45rem, 7vw, 4.7rem); }
.app-hero .platform-list { margin: 0 0 12px; }
.action-row, .inline-links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.primary-action, .secondary-action, .status-pill {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 48px; padding: 11px 17px; border: 1px solid var(--line); border-radius: 12px;
  font-weight: 720; text-decoration: none;
}
.primary-action { border-color: var(--accent); background: var(--accent); color: var(--background); }
.secondary-action { background: var(--surface); color: var(--text); }
.status-pill { background: var(--surface-soft); color: var(--secondary); }
.info-panel {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  margin-top: 54px; padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface);
}
.info-panel .eyebrow { margin: 0 0 5px; }
.info-panel h2 { margin: 0; font-size: 1.35rem; }
.inline-links a { font-weight: 650; }
.independence-note { margin-top: 24px; color: var(--secondary); font-size: 0.9rem; }
.choice-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.choice-card, .related-card a {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  min-height: 86px; padding: 18px 20px; border: 1px solid var(--line);
  border-radius: 16px; background: var(--surface); color: var(--text);
  font-size: 1.08rem; text-decoration: none; box-shadow: var(--shadow);
}
.choice-card:hover, .related-card a:hover, .secondary-action:hover { border-color: var(--accent); background: var(--accent-soft); }
.choice-card small { display: block; margin-top: 4px; color: var(--secondary); font-size: 0.84rem; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 20px; color: var(--secondary); font-size: 0.9rem; }
.breadcrumb a { color: inherit; }
.legal-card { padding: clamp(24px, 6vw, 54px); border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.legal-card h1 { font-size: clamp(2rem, 6vw, 3.4rem); }
.legal-card p { margin: 0.75em 0; }
.related-card { margin-top: 16px; }
.related-card a { min-height: auto; }
.site-footer { padding: 28px 24px 38px; border-top: 1px solid var(--line); color: var(--secondary); font-size: 0.86rem; text-align: center; }
.site-footer div { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; }
.site-footer a { color: inherit; }
.footer-note { margin: 10px auto 0; }
@media (max-width: 720px) {
  .app-grid { grid-template-columns: 1fr; }
  .app-hero { grid-template-columns: 1fr; }
  .app-icon-large { width: 128px; height: 128px; }
  .info-panel { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 480px) {
  .site-header { align-items: flex-start; }
  .site-brand > span:last-child { display: none; }
  .language-nav { gap: 5px 11px; }
  .app-card { grid-template-columns: 56px minmax(0, 1fr); gap: 14px; padding: 18px 42px 18px 18px; }
  .app-card-icon { width: 56px; height: 56px; }
  .card-arrow { position: absolute; right: 18px; top: 50%; transform: translateY(-50%); }
  .legal-card { border-radius: 16px; }
}
@media (prefers-reduced-motion: no-preference) {
  .app-card, .choice-card, .related-card a, .secondary-action { transition: background-color 140ms ease, border-color 140ms ease; }
}