:root {
  --ink: #16324e;
  --muted: #4d6a8a;
  --accent: #2f8ff0;
  --accent-dark: #1f6fd0;
  --teal: #1fa8b8;
  --gold: #f2c749;
  --purple: #af52aa;
  --bg: #ffffff;
  --bg-alt: #eef5fd;
  --line: #d4e6f8;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
/* brand gradient strip echoing the logo arcs */
.site-header::after {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, #40d6d9 45%, var(--gold) 75%, var(--purple) 100%);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand-logo {
  height: 42px;
  width: 42px;
  object-fit: contain;
  border-radius: 8px;
}
.main-nav a {
  margin-left: 28px;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--ink); text-decoration: none; }
.main-nav a.active { color: var(--ink); font-weight: 700; }

/* Hero */
.hero {
  background: linear-gradient(160deg, #f4f9ff 0%, #e2eefa 60%, #d5e7fa 100%);
  color: var(--ink);
  padding: 96px 0 88px;
}
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--teal);
  margin: 0 0 16px;
  font-weight: 700;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 720px;
}
.lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 640px;
}

.page-hero {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
  padding: 64px 0 48px;
}
.page-hero h1 {
  margin: 0 0 12px;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
}

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 { font-size: 1.7rem; letter-spacing: -0.01em; margin: 0 0 24px; }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 8px;
}
.card {
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px;
  background: #fff;
}
.card:nth-child(2) { border-top-color: #40d6d9; }
.card:nth-child(3) { border-top-color: var(--gold); }
.card:nth-child(4) { border-top-color: var(--purple); }
.card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.98rem; }

/* Prose */
.prose { max-width: 720px; }
.prose h2 { margin-top: 40px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: #33415c; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--accent); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 48px 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 32px;
}
.footer-base {
  border-top: 1px solid var(--line);
  padding: 20px 24px;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 1.9rem; }
  .main-nav a { margin-left: 16px; }
  .section { padding: 48px 0; }
}

/* Cookie consent banner */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding: 16px 24px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--muted);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; max-width: 640px; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-actions .btn { padding: 9px 20px; font-size: 0.9rem; }

/* FAQ */
.faq {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  background: #fff;
}
.faq summary {
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 600;
  color: var(--ink);
}
.faq summary:hover { color: var(--accent-dark); }
.faq p { padding: 0 20px 18px; margin: 0; color: var(--muted); }
.faq p a { color: var(--accent-dark); }