:root {
  --navy: #0f2438;
  --navy-deep: #091727;
  --teal: #1f8a8a;
  --teal-dark: #176b6b;
  --ink: #1d2a36;
  --muted: #5b6b7a;
  --line: #e2e8ee;
  --bg: #ffffff;
  --bg-soft: #f4f7f9;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--teal-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  background: var(--navy);
  color: #fff;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--teal), #2fb8a6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
}
.nav { display: flex; gap: 26px; }
.nav a { color: rgba(255,255,255,0.85); font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; text-decoration: none; }
.nav a[aria-current="page"] { border-bottom: 2px solid var(--teal); padding-bottom: 2px; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff;
  padding: 88px 0 96px;
}
.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 720px;
}
.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.82);
  max-width: 620px;
  margin: 0 0 32px;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6fd3c7;
  font-weight: 600;
  margin-bottom: 18px;
}
.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 600;
}
.btn:hover { background: var(--teal-dark); text-decoration: none; }
.btn.ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  margin-left: 12px;
}
.btn.ghost:hover { background: rgba(255,255,255,0.08); }

/* Sections */
.section { padding: 72px 0; }
.section.soft { background: var(--bg-soft); }
.section h2 {
  font-size: 1.8rem;
  margin: 0 0 14px;
  color: var(--navy);
}
.section .lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 36px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 28px;
}
.card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  color: var(--navy);
}
.card p { margin: 0; color: var(--muted); }
.card .icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #e6f4f3;
  color: var(--teal-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 16px;
}

/* Page (inner pages) */
.page-title {
  background: var(--navy);
  color: #fff;
  padding: 56px 0;
}
.page-title h1 { margin: 0 0 8px; font-size: 2.2rem; }
.page-title p { margin: 0; color: rgba(255,255,255,0.75); }

.prose { max-width: 760px; }
.prose h2 { font-size: 1.4rem; color: var(--navy); margin: 40px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 18px; }
.prose ul { padding-left: 22px; margin: 0 0 18px; }
.prose li { margin-bottom: 8px; }
.prose .meta { color: var(--muted); font-size: 0.95rem; }

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.7);
  padding: 40px 0;
  font-size: 0.95rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer nav a { margin-left: 20px; }

@media (max-width: 640px) {
  .site-header .wrap { flex-direction: column; align-items: flex-start; }
  .nav { gap: 18px; }
  .hero { padding: 64px 0 72px; }
  .btn.ghost { margin-left: 0; margin-top: 12px; }
  .site-footer nav a { margin-left: 0; margin-right: 20px; }
}