:root {
  --bg: #f8fafc;
  --ink: #0f172a;
  --muted: #475569;
  --line: #dbe3f2;
  --brand: #1d4ed8;
  --brand-2: #0f766e;
  --surface: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Inter", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(248, 250, 252, 0.88);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

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

.menu a {
  color: #1e293b;
  font-weight: 600;
}

.hero {
  background: linear-gradient(155deg, #dbeafe 0%, #eff6ff 42%, #ecfeff 100%);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
  padding: 44px 0 52px;
}

.eyebrow {
  margin: 0;
  color: #1e40af;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 10px 0 10px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.1;
}

.hero-copy {
  margin: 0;
  color: var(--muted);
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  color: #fff;
}

.btn-ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.hero-art img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid #c8d8f8;
  box-shadow: 0 22px 50px rgba(30, 41, 59, 0.16);
}

.section {
  padding: 52px 0;
}

.section-soft {
  background: #f1f5f9;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: clamp(24px, 3vw, 36px);
  margin: 0 0 22px;
}

h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.steps {
  margin: 0;
  padding-left: 22px;
}

.steps li {
  margin-bottom: 10px;
  color: #1e293b;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

.faq-list p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  padding: 18px 0;
}

.footer-row p {
  margin: 0;
  color: #64748b;
}

.footer-row nav {
  display: flex;
  gap: 14px;
}

.policy-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0 60px;
}

.policy-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 14px;
}

.policy-card p,
.policy-card li {
  color: #334155;
}

@media (max-width: 920px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .menu {
    gap: 12px;
    font-size: 14px;
  }
}