:root {
  --bg: #f4fbfc;
  --surface: rgba(255, 255, 255, 0.86);
  --line: rgba(17, 90, 111, 0.14);
  --text: #0f252c;
  --muted: #47656f;
  --accent: #1798b3;
  --accent-dark: #0b7e97;
  --max: 1120px;
  --sans: 'Poppins', Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--text);
  line-height: 1.65;
  background: radial-gradient(circle at top left, rgba(191, 238, 246, 0.85), transparent 32%),
              linear-gradient(180deg, #f7fdfe 0%, var(--bg) 100%);
}
a { color: var(--accent-dark); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244, 251, 252, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.site-header .wrap {
  min-height: 4.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  font-size: 0.9rem;
}
.brand-mark {
  width: 2.45rem;
  height: 2.45rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--line);
}
.brand-mark svg { width: 1.15rem; height: 1.15rem; fill: none; stroke: var(--text); stroke-width: 1.6; }
.header-cta { color: var(--text); font-weight: 700; text-decoration: none; white-space: nowrap; }
.hero { padding: 5rem 0 3.5rem; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(19rem, 0.72fr); gap: 3rem; align-items: start; }
.eyebrow {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
}
.eyebrow::before { content: ""; width: 2rem; height: 1px; background: rgba(17, 90, 111, 0.28); }
h1, h2, h3 { color: var(--text); letter-spacing: -0.02em; }
h1, h2 { font-family: var(--serif); font-weight: 500; line-height: 1.08; }
h1 { font-size: clamp(2.35rem, 6vw, 4rem); margin-bottom: 1.35rem; }
h2 { font-size: clamp(1.9rem, 4vw, 2.75rem); margin-bottom: 1rem; }
h3 { font-family: var(--serif); font-size: 1.35rem; margin-bottom: 0.55rem; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 46rem; margin-bottom: 1.5rem; }
.button-row { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 1.7rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--line);
}
.btn-primary { background: linear-gradient(180deg, var(--accent), var(--accent-dark)); color: #fff; border-color: transparent; }
.btn-secondary { background: rgba(255, 255, 255, 0.7); color: var(--text); }
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 55px rgba(10, 69, 84, 0.09);
  padding: 1.65rem;
}
.quick-list { list-style: none; display: grid; gap: 0.75rem; color: var(--muted); }
.quick-list li::before { content: "✓"; color: var(--accent-dark); font-weight: 800; margin-right: 0.55rem; }
.section { padding: 3.8rem 0; }
.section.alt { background: rgba(255, 255, 255, 0.48); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.45rem;
}
.card p, .muted { color: var(--muted); }
.link-list { display: grid; gap: 0.65rem; margin-top: 1rem; }
.link-list a { color: var(--text); font-weight: 700; text-decoration: none; }
.link-list a:hover { color: var(--accent-dark); }
.faq-list { display: grid; gap: 1rem; max-width: 850px; }
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}
@media (max-width: 850px) {
  .hero-grid, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero { padding-top: 3.5rem; }
  .site-header .wrap { align-items: flex-start; flex-direction: column; padding-top: 1rem; padding-bottom: 1rem; }
}
