* { box-sizing: border-box; }

:root {
  --bg: #f7f5ef;
  --text: #1f2933;
  --muted: #65717f;
  --card: #ffffff;
  --line: #e3dfd4;
  --accent: #2457ff;
  --accent-dark: #173bb0;
  --soft: #ebe8df;
  --error: #b42318;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(36,87,255,.10), transparent 34rem),
    radial-gradient(circle at top right, rgba(255,176,0,.12), transparent 26rem),
    var(--bg);
}

a { color: inherit; text-decoration: none; }

.site-header { padding: 24px; }

.nav {
  max-width: 1160px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,.78);
  border: 1px solid var(--line);
  border-radius: 24px;
  backdrop-filter: blur(14px);
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }

.brand-mark {
  width: 28px;
  height: 28px;
  display: inline-block;
  border-radius: 9px;
  background: conic-gradient(from 90deg, #2457ff, #00a676, #ffb000, #f45b69, #2457ff);
}

.nav-links { display: flex; gap: 18px; align-items: center; color: var(--muted); }
.nav-links a:hover, .footer a:hover { color: var(--text); }

.locale {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.hero {
  max-width: 1160px;
  margin: 44px auto 12px;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 28px;
  align-items: center;
  padding: 54px 12px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
}

h1 { margin: 0; font-size: clamp(40px, 7vw, 76px); line-height: .94; letter-spacing: -.06em; }
h2 { margin: 0 0 12px; font-size: clamp(28px, 4vw, 44px); letter-spacing: -.04em; }
h3 { margin-top: 0; }

.lead { max-width: 680px; color: var(--muted); font-size: 20px; line-height: 1.6; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

.button {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.primary { color: white; background: var(--accent); }
.primary:hover { background: var(--accent-dark); }
.secondary { background: var(--soft); }

.hero-card, .card, .doc-card, .support-box, .download-row, .modal-card {
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(31,41,51,.08);
}

.hero-card { padding: 24px; border-radius: 28px; }
.swatches { display: flex; gap: 10px; margin-bottom: 26px; }
.swatches span { width: 44px; height: 44px; border-radius: 14px; }
.swatches span:nth-child(1) { background: #00a3ff; }
.swatches span:nth-child(2) { background: #ff48c4; }
.swatches span:nth-child(3) { background: #ffd000; }
.swatches span:nth-child(4) { background: #111827; }

.hero-card ul { padding-left: 20px; color: var(--muted); line-height: 1.9; }
.section { max-width: 1160px; margin: 0 auto; padding: 72px 24px; }

.cards, .docs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card, .doc-card { border-radius: 24px; padding: 24px; }
.doc-card a { color: var(--accent); font-weight: 800; }
.card p, .doc-card p, .muted, .support p { color: var(--muted); line-height: 1.7; }

.section-head { display: flex; justify-content: space-between; gap: 22px; align-items: end; }
.section-head .muted { max-width: 370px; }

.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.tab {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700;
}
.tab.active { color: white; background: var(--text); }

.download-list { display: grid; gap: 10px; }
.download-row {
  border-radius: 18px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
}
.download-meta { color: var(--muted); font-size: 14px; margin-top: 4px; }
.download-button {
  border: 1px solid var(--line);
  background: var(--soft);
  border-radius: 999px;
  padding: 10px 13px;
  font-weight: 800;
  cursor: pointer;
}
.download-button:hover { background: #ded9cc; }

.support { display: grid; grid-template-columns: 1fr .7fr; gap: 24px; align-items: center; }
.support-box { border-radius: 24px; padding: 22px; line-height: 2; }

.footer {
  max-width: 1160px;
  margin: 0 auto;
  padding: 28px 24px 46px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
}

.modal.hidden, .modal-view.hidden, .error.hidden { display: none; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
}
.modal-backdrop { position: absolute; inset: 0; background: rgba(20, 26, 33, .56); }
.modal-card {
  position: relative;
  width: min(450px, 100%);
  border-radius: 26px;
  padding: 26px;
}
.close {
  position: absolute;
  right: 16px;
  top: 14px;
  border: 0;
  background: transparent;
  font-size: 28px;
  cursor: pointer;
}
form { display: grid; gap: 14px; margin-top: 18px; }
label { display: grid; gap: 7px; font-weight: 700; }
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
}
input:focus { outline: 3px solid rgba(36,87,255,.15); border-color: var(--accent); }
.small { color: var(--muted); font-size: 13px; }
.error {
  color: var(--error);
  background: #fff0ee;
  border: 1px solid #ffd4cf;
  padding: 10px 12px;
  border-radius: 14px;
}
.modal-links { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.link-button { border: 0; background: transparent; color: var(--accent); font-weight: 800; cursor: pointer; padding: 0; }

.page { max-width: 900px; margin: 0 auto; padding: 72px 24px; }
.page-card {
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(31,41,51,.08);
}
.page-card p, .page-card li { color: var(--muted); line-height: 1.8; }

@media (max-width: 820px) {
  .nav, .nav-links, .section-head, .footer { align-items: flex-start; flex-direction: column; }
  .hero, .cards, .docs-grid, .support { grid-template-columns: 1fr; }
  .download-row { grid-template-columns: 1fr; }
}