:root {
  --bg: #f5f7fb;
  --text: #1f2933;
  --muted: #6b7280;
  --primary: #006d77;
  --primary-soft: #e0f4f5;
  --accent: #ffb703;
  --border: #d1d5db;
  --card-bg: #ffffff;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

a {
  color: var(--primary);
  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;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: radial-gradient(circle at 20% 20%, var(--accent), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}

.brand-title {
  display: block;
  font-weight: 600;
}

.brand-sub {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
}

.nav a {
  margin-left: 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav a:hover {
  color: var(--primary);
}

.hero {
  background: linear-gradient(135deg, #ffffff, #e6f4f5);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 2rem;
  padding: 2.5rem 0 2.3rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 2.5vw + 1rem, 2.7rem);
  margin-bottom: 1rem;
}

.hero-lead {
  font-size: 1rem;
  color: #111827;
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-highlights li {
  background: #fff;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border);
  font-size: 0.88rem;
}

.hero-highlights span {
  font-weight: 600;
  margin-right: 0.25rem;
}

.hero-cta-text {
  font-size: 0.95rem;
  color: var(--muted);
}

.hero-cta-text a {
  font-weight: 600;
}

.hero-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 1.4rem 1.5rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  border: 1px solid var(--border);
}

.hero-card h2 {
  font-size: 1.1rem;
  margin-top: 0;
}

.timeline-list {
  padding-left: 1rem;
  margin: 0.7rem 0 0.7rem;
  font-size: 0.9rem;
}

.disclaimer {
  font-size: 0.78rem;
  color: var(--muted);
}

.section {
  padding: 2.5rem 0;
}

.section-alt {
  background: #ffffff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}

.section p {
  margin: 0.4rem 0 0.9rem;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 1rem;
  border: 1px solid var(--border);
  font-size: 0.93rem;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
  margin-top: 1.2rem;
}

.timeline-box {
  background: var(--card-bg);
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 1rem;
  font-size: 0.93rem;
}

.timeline-box h3 {
  margin-top: 0;
  font-size: 1rem;
}

.timeline-box ul {
  padding-left: 1rem;
  margin: 0.4rem 0 0;
}

.note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.9rem;
}

.steps-list {
  padding-left: 1.1rem;
}

.table-wrap {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #ffffff;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

thead th {
  background: var(--primary-soft);
  color: #0b3a3d;
}

.bullets {
  padding-left: 1.1rem;
  font-size: 0.93rem;
}

.faq details {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 0.65rem 0.9rem;
  margin-bottom: 0.6rem;
  font-size: 0.93rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 0;
  background: #ffffff;
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-inner {
  text-align: center;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .timeline-grid {
    grid-template-columns: 1fr;
  }
}