:root {
  --bg: #ffffff;
  --surface: #f8fbff;
  --surface-strong: #ffffff;
  --text: #10233f;
  --muted: #5f6b7a;
  --border: #dfe7f2;
  --accent: #2563eb;
  --accent-soft: #e8f0ff;
  --shadow: 0 20px 45px rgba(16, 35, 63, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

img {
  max-width: 100%;
  display: block;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: white;
  padding: 0.75rem 1rem;
  z-index: 1000;
  border-radius: 0 0 0.75rem 0;
}

.skip-link:focus {
  left: 0;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(92%, 920px);
  margin: 0 auto;
}

.topbar {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  z-index: 20;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--text);
}

.brand img {
  width: 40px;
  height: 40px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav-links a {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.active {
  background: var(--accent-soft);
  color: var(--accent);
  outline: none;
}

main {
  flex: 1;
  padding: 2rem 0 4rem;
}

.hero {
  padding: 3rem 0 2rem;
}

.hero-card,
.content-card,
.info-card {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 2.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero h1,
.content-card h1,
.content-card h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero .lead {
  font-size: 1.1rem;
  max-width: 700px;
  margin-bottom: 1.25rem;
}

.hero .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  margin-top: 1.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.feature-card,
.link-card {
  padding: 1.2rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.feature-card h3,
.link-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.feature-card p,
.link-card p,
.content-card p,
.info-card p,
.list-card li {
  color: var(--muted);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.link-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 150px;
}

.link-card .arrow {
  color: var(--accent);
  font-weight: 700;
}

.content-card {
  padding: 2rem;
}

.content-card + .content-card {
  margin-top: 1rem;
}

.info-card {
  padding: 1.5rem;
  margin-top: 1rem;
}

.list-card {
  padding: 0;
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
}

.list-card li + li {
  margin-top: 0.45rem;
}

.callout {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 14px 14px 0;
}

footer {
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

@media (max-width: 760px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-card,
  .content-card {
    padding: 1.5rem;
  }

  .features-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }
}