:root {
  color-scheme: light dark;
  --bg: #f7f9fc;
  --panel: #ffffff;
  --text: #172033;
  --muted: #5f6b7a;
  --line: #d9e0ea;
  --brand: #246bfe;
  --brand-dark: #1747b8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

a {
  color: var(--brand-dark);
}

.wrap {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
  text-decoration: none;
  color: var(--text);
}

.brand img {
  width: 38px;
  height: 38px;
}

.links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

main {
  padding: 54px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  gap: 32px;
  align-items: center;
}

.eyebrow {
  color: var(--brand-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

h1 {
  margin: 12px 0 18px;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: 1.02;
}

h2 {
  margin: 36px 0 12px;
  font-size: 1.45rem;
}

h3 {
  margin: 24px 0 8px;
  font-size: 1.1rem;
}

p,
li {
  color: var(--muted);
}

.lead {
  font-size: 1.16rem;
  max-width: 720px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.icon-card {
  text-align: center;
}

.icon-card img {
  width: min(220px, 70%);
  height: auto;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 6px;
  background: var(--brand);
  color: white;
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  background: transparent;
  color: var(--brand-dark);
  border: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.grid .panel {
  min-height: 160px;
}

.legal {
  max-width: 820px;
}

.notice {
  background: #eef5ff;
  border: 1px solid #cddfff;
  color: #29405f;
}

footer {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10131a;
    --panel: #171b24;
    --text: #eef2f7;
    --muted: #adb7c5;
    --line: #2b3342;
    --brand: #245db8;
    --brand-dark: #a8c7ff;
  }

  header {
    background: rgba(16, 19, 26, 0.82);
  }

  .notice {
    background: #13213a;
    border-color: #29456f;
    color: #d8e6ff;
  }
}

@media (max-width: 760px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }
}