:root {
  --bg: #f8fafc;
  --text: #111827;
  --muted: #4b5563;
  --card: #ffffff;
  --border: #e5e7eb;
  --accent: #2563eb;
  --accent-strong: #1747b7;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --secondary: #0f766e;
  --secondary-soft: rgba(15, 118, 110, 0.12);
  --disclosure: #fffbeb;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.10), transparent 28%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.08), transparent 24%),
    linear-gradient(180deg, #f8fafc 0%, #eef5fb 100%);
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 2rem), 860px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  background: rgba(248, 250, 252, 0.85);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topbar nav a,
.eyebrow {
  font-size: 0.95rem;
}

.topbar nav a {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
}

.topbar nav a:hover,
.topbar nav a:focus-visible {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
}

.eyebrow,
.section-kicker,
.stat-label {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary);
}

.hero,
.section,
.site-footer {
  padding: 4.5rem 0;
}

.hero {
  padding-top: 5rem;
}

.hero-grid,
.split-grid {
  display: grid;
  gap: 1.5rem;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.85fr);
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.info-card,
.callout,
.footer-panel,
.comparison-table,
.faq-list details {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel,
.callout,
.footer-panel {
  border-radius: var(--radius-lg);
}

.hero-copy {
  padding: clamp(1.5rem, 3vw, 3rem);
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.02;
}

.hero-copy h1 {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(2.8rem, 7vw, 5rem);
  max-width: 12ch;
}

.lead,
.section-heading p,
.info-card p,
.comparison-row div,
.callout p,
.faq-list p,
.footer-panel p,
.feature-list li {
  color: var(--muted);
  line-height: 1.75;
}

.lead {
  font-size: 1.125rem;
  max-width: 62ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin: 1.75rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  padding: 0.95rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.24);
}

.button-secondary {
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
}

.disclosure-box {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(217, 119, 6, 0.22);
  background: var(--disclosure);
  border-radius: var(--radius-sm);
  line-height: 1.7;
}

.hero-panel {
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
  align-content: start;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(241, 245, 249, 0.96)),
    linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(15, 118, 110, 0.08));
}

.stat-card {
  padding: 1.15rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(229, 231, 235, 0.9);
}

.stat-card strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1.05rem;
  line-height: 1.45;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.72)),
    radial-gradient(circle at right center, rgba(15, 118, 110, 0.08), transparent 30%);
  border-top: 1px solid rgba(229, 231, 235, 0.7);
  border-bottom: 1px solid rgba(229, 231, 235, 0.7);
}

.section-heading {
  display: grid;
  gap: 0.75rem;
  text-align: center;
  margin-bottom: 2rem;
}

.section-heading.left {
  text-align: left;
}

.section-heading h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

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

.info-card {
  padding: 1.35rem;
  border-radius: var(--radius-md);
}

.info-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.85rem;
}

.muted-list li::marker {
  color: var(--secondary);
}

.comparison-table {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.comparison-row {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr 1.15fr;
}

.comparison-row div {
  padding: 1rem;
  border-top: 1px solid var(--border);
}

.comparison-row div + div {
  border-left: 1px solid var(--border);
}

.comparison-head {
  background: linear-gradient(135deg, var(--accent-soft), var(--secondary-soft));
}

.comparison-head div {
  color: var(--text);
  font-weight: 700;
  border-top: 0;
}

.callout,
.footer-panel {
  padding: clamp(1.5rem, 3vw, 2.3rem);
}

.callout {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 252, 0.97)),
    linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(15, 118, 110, 0.08));
}

.callout.strong {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.98)),
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(15, 118, 110, 0.10));
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-list details {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 0.8rem 0 0;
}

.site-footer {
  padding-top: 0;
}

.footer-panel {
  background: rgba(255, 255, 255, 0.96);
}

.footer-panel p {
  margin: 0;
}

.footer-panel p + p {
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .split-grid,
  .card-grid,
  .comparison-row {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 0.9rem 0;
  }

  .hero,
  .section,
  .site-footer {
    padding: 3.5rem 0;
  }

  .comparison-row div + div {
    border-left: 0;
  }

  .comparison-row div {
    border-top: 1px solid var(--border);
  }

  .comparison-head div:first-child {
    border-top: 0;
  }
}

@media (max-width: 640px) {
  .container,
  .narrow {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .hero {
    padding-top: 4rem;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .cta-row {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}