:root {
  color-scheme: light dark;
  --ink: #10142b;
  --muted: #59627b;
  --surface: #ffffff;
  --surface-alt: #f4f6ff;
  --line: #dce1f2;
  --brand: #304cff;
  --brand-deep: #171ecf;
  --accent: #ff745e;
  --success: #087f5b;
  --shadow: 0 24px 70px rgba(31, 42, 120, 0.16);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: var(--brand-deep); }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

img { max-width: 100%; }

.container {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand img { width: 38px; height: 38px; border-radius: 10px; }

.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--ink); text-decoration: none; font-weight: 600; }
.language-link { color: var(--muted) !important; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: var(--surface);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(25, 31, 79, 0.08);
}

.button.primary {
  border-color: transparent;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
}

.button:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(25, 31, 79, 0.14); }

.hero {
  overflow: hidden;
  padding: 104px 0 84px;
  background:
    radial-gradient(circle at 80% 8%, rgba(39, 199, 255, 0.22), transparent 34%),
    radial-gradient(circle at 10% 88%, rgba(90, 52, 255, 0.17), transparent 32%),
    var(--surface);
}

.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 72px; }
.eyebrow { color: var(--brand-deep); font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { max-width: 780px; margin: 10px 0 18px; font-size: clamp(2.7rem, 7vw, 5.7rem); line-height: 0.98; letter-spacing: -0.055em; }
.hero-copy { max-width: 670px; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.35rem); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 30px; }
.purchase-note { color: var(--muted); font-size: 0.95rem; }
.hero-art { position: relative; }
.hero-art img { display: block; width: min(100%, 460px); margin-inline: auto; border-radius: 24%; box-shadow: var(--shadow); }
.trust-row { display: flex; flex-wrap: wrap; gap: 18px 30px; margin-top: 34px; color: var(--muted); font-weight: 600; }
.trust-row span::before { content: "✓"; margin-right: 7px; color: var(--success); }

section { padding: 82px 0; }
.section-alt { background: var(--surface-alt); }
.section-heading { max-width: 720px; margin-bottom: 34px; }
h2 { margin: 0 0 10px; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.08; letter-spacing: -0.035em; }
h3 { margin-top: 0; line-height: 1.25; }
.section-heading p, .lede { color: var(--muted); font-size: 1.12rem; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 12px 32px rgba(25, 31, 79, 0.06);
}
.card p { color: var(--muted); margin-bottom: 0; }
.card-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 18px; border-radius: 12px; background: #e5e9ff; color: var(--brand-deep); font-size: 1.25rem; font-weight: 800; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { counter-increment: step; }
.step::before { content: counter(step); display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 14px; border-radius: 50%; color: #fff; background: var(--brand); font-weight: 800; }

.menu-demo { max-width: 620px; padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); box-shadow: var(--shadow); }
.menu-row { display: flex; justify-content: space-between; gap: 20px; padding: 10px 12px; border-radius: 9px; }
.menu-row:hover { background: var(--surface-alt); }
.menu-row span:last-child { color: var(--muted); }
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; }

.faq { max-width: 780px; }
details { padding: 19px 0; border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 750; }
details p { color: var(--muted); }

.legal { max-width: 820px; padding: 70px 0 96px; }
.legal h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); }
.legal h2 { margin-top: 46px; font-size: 1.7rem; }
.legal h3 { margin-top: 30px; }
.legal p, .legal li { color: var(--muted); }
.notice { padding: 20px; border-left: 4px solid var(--brand); border-radius: 8px; background: var(--surface-alt); }
.status-pill { display: inline-flex; padding: 5px 10px; border-radius: 999px; color: #126348; background: #dbf7eb; font-weight: 700; font-size: 0.9rem; }

.cta { text-align: center; }
.cta p { color: var(--muted); }

.site-footer { padding: 42px 0; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 28px; align-items: flex-start; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { color: var(--muted); }

@media (max-width: 820px) {
  .nav-links a:not(.button):not(.language-link) { display: none; }
  .hero { padding-top: 72px; }
  .hero-grid, .split { grid-template-columns: 1fr; gap: 44px; }
  .hero-art { order: -1; }
  .hero-art img { width: 230px; }
  .cards, .steps { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .button:hover { transform: none; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f5f6ff;
    --muted: #b5bdd4;
    --surface: #0e1121;
    --surface-alt: #171b31;
    --line: #303751;
    --brand: #6880ff;
    --brand-deep: #9faeff;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  }
  .button.primary { color: #fff; background: linear-gradient(135deg, #405cff, #2932cf); }
  .card-icon { background: #252f62; }
  .status-pill { color: #9cf0d0; background: #173f35; }
}