:root {
  --ink: #141722;
  --muted: #5d6473;
  --line: #e5e8ef;
  --paper: #ffffff;
  --soft: #f7f8fb;
  --mint: #54d7c7;
  --violet: #8f7cff;
  --rose: #ff8fab;
  --gold: #ffd166;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.logo {
  font-weight: 800;
  min-width: max-content;
}
.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
}
.language-switcher {
  position: relative;
  flex: 0 0 auto;
}
.language-switcher summary {
  list-style: none;
  cursor: pointer;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
  font-size: 14px;
  font-weight: 800;
}
.language-switcher summary::-webkit-details-marker { display: none; }
.language-switcher summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}
.language-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 190px;
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 18px 42px rgba(20, 23, 34, .14);
}
.language-menu a {
  padding: 9px 10px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
}
.language-menu a:hover,
.language-menu a.active {
  color: var(--ink);
  background: var(--soft);
  font-weight: 800;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  border: 1px solid var(--ink);
}
.button.small { min-height: 38px; padding-inline: 14px; font-size: 14px; }
.button.ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.button.light { background: #fff; color: var(--ink); border-color: #fff; }
.button.center { margin: 28px auto 0; width: max-content; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, .98fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(56px, 8vw, 110px) clamp(18px, 5vw, 72px) 46px;
}
.hero.compact { padding-top: 56px; }
.hero-copy h1 {
  margin: 14px 0 18px;
  max-width: 780px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: .96;
  letter-spacing: 0;
}
.hero-copy p {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.65;
}
.eyebrow {
  display: inline-flex;
  color: #00796f;
  background: #e9fbf7;
  border: 1px solid #bdf1e7;
  padding: 7px 10px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 800;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.mini-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 520px;
  margin-top: 28px;
}
.mini-board span {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  color: var(--muted);
  background: var(--soft);
}
.mini-board strong { color: var(--ink); }
.hero-visual {
  margin: 0;
}
.hero-visual img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 22px 60px rgba(20,23,34,.10);
}
.hero-visual figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 60px clamp(18px, 5vw, 72px);
}
.split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(280px, .75fr);
  gap: 42px;
  align-items: center;
  background: var(--soft);
  border-block: 1px solid var(--line);
}
.section h2 {
  margin: 12px 0 12px;
  max-width: 820px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}
.section p, .section li {
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
}
.checks {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  margin: 22px 0;
}
.split-image {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
}
.section-head {
  max-width: 840px;
  margin-bottom: 28px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.card {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.card h3 {
  margin: 0 0 10px;
  font-size: 21px;
}
.card p { margin: 0; }
.link-card:hover {
  border-color: var(--mint);
  box-shadow: 0 12px 30px rgba(84,215,199,.16);
}
.prompt-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #10131f;
  color: #dffbf6;
  padding: 28px;
  overflow-wrap: anywhere;
}
.prompt-panel code {
  font-size: 17px;
  line-height: 1.8;
  white-space: normal;
}
.faq {
  background: var(--soft);
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 18px 20px;
}
summary {
  cursor: pointer;
  font-weight: 800;
}
.legal {
  max-width: 850px;
  margin-inline: auto;
}
.site-footer {
  display: grid;
  gap: 18px;
  padding: 36px clamp(18px, 5vw, 72px);
  background: #10131f;
  color: #fff;
}
.site-footer p { color: rgba(255,255,255,.72); max-width: 720px; }
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: rgba(255,255,255,.75);
}

@media (max-width: 900px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 12px; }
  .site-header nav { margin-left: 0; }
  .language-menu { left: 0; right: auto; }
  .hero, .split { grid-template-columns: 1fr; }
  .card-grid, .faq-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 42px; }
  .mini-board { grid-template-columns: 1fr; }
}