:root {
  --navy: #14265a;
  --navy-dark: #0d1a3f;
  --blue: #2b6cf6;
  --blue-light: #eaf1ff;
  --fb: #1877f2;
  --ink: #1c2333;
  --muted: #5a6478;
  --bg: #ffffff;
  --bg-alt: #f5f7fb;
  --border: #e3e8f2;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 760px; }
.wrap.center { text-align: center; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--navy); color: #fff; padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

h1, h2, h3, h4 { color: var(--navy-dark); line-height: 1.25; }
h1 { font-size: clamp(2rem, 4vw, 2.6rem); margin: 0 0 16px; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 20px; }
h3 { font-size: 1.25rem; }
p { color: var(--ink); }

a { color: var(--blue); }
img { max-width: 100%; display: block; }

.eyebrow {
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem;
  font-weight: 700; color: var(--blue); margin: 0 0 12px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; text-decoration: none;
  font-size: 0.95rem; white-space: nowrap; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 6px 18px rgba(43,108,246,.3); }
.btn-primary:hover { background: #1d5ce0; }
.btn-ghost { background: transparent; color: var(--navy-dark); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-fb { background: var(--fb); color: #fff; }
.btn-fb:hover { background: #145dc4; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--border);
}
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 24px; flex-wrap: wrap; }
.brand { font-size: 1.3rem; font-weight: 800; color: var(--navy-dark); text-decoration: none; }
.brand span { color: var(--blue); }
.site-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.92rem; }
.site-nav a:hover { color: var(--blue); }
.header-ctas { display: flex; gap: 10px; flex-wrap: wrap; }

/* Hero */
.hero { padding: 56px 0 40px; background: linear-gradient(180deg, var(--blue-light), #fff); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.lede { font-size: 1.1rem; color: var(--muted); max-width: 56ch; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 14px; }
.disclosure { font-size: 0.82rem; color: var(--muted); max-width: 60ch; }
.hero-media img {
  border-radius: var(--radius); box-shadow: 0 20px 45px rgba(20,38,90,.18);
  margin: 0 auto;
}
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 20px; }
.stat {
  text-align: center; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 12px 6px;
}
.stat strong { display: block; color: var(--navy-dark); font-size: 1.05rem; }
.stat span { font-size: 0.75rem; color: var(--muted); }

/* Sections */
.section { padding: 56px 0; }
.section.alt { background: var(--bg-alt); }
.fact-list { padding-left: 20px; }
.fact-list li { margin-bottom: 8px; }
.inline-media-link img { max-width: 280px; border-radius: var(--radius); box-shadow: 0 12px 30px rgba(20,38,90,.15); margin-top: 24px; }

.callout {
  background: var(--blue-light); border-left: 4px solid var(--blue); border-radius: 10px;
  padding: 18px 20px; margin: 20px 0;
}
.callout h3 { margin-top: 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0; }
.grid-2 h4 { margin-bottom: 8px; }

.checklist { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 18px; }
.checklist li { display: flex; gap: 18px; align-items: flex-start; }
.checklist .num {
  flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--navy-dark); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9rem;
}
.checklist h4 { margin: 0 0 4px; }
.checklist p { margin: 0; color: var(--muted); }

.social-section { text-align: center; }
.social-section p { max-width: 52ch; margin: 0 auto 24px; color: var(--muted); }

.article-preview {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px;
}
.article-preview h3 a { color: var(--navy-dark); text-decoration: none; }
.article-preview h3 a:hover { color: var(--blue); }
.text-link { font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.faq-list details {
  background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 12px;
}
.faq-list summary { font-weight: 700; cursor: pointer; color: var(--navy-dark); }
.faq-list p { margin: 10px 0 0; color: var(--muted); }

/* Long-form article */
.long-form h2 { margin-top: 36px; }
.long-form p { color: var(--ink); font-size: 1.02rem; }
.long-form ol { padding-left: 22px; }
.long-form ol li { margin-bottom: 12px; }
.cta-box {
  display: flex; gap: 14px; flex-wrap: wrap; margin: 32px 0; padding: 24px;
  background: var(--blue-light); border-radius: var(--radius);
}

/* Footer */
.site-footer { background: var(--navy-dark); color: #cbd4ea; padding: 40px 0 28px; }
.site-footer .fda, .site-footer .affiliate { font-size: 0.8rem; color: #9aa6c4; max-width: 90ch; }
.footer-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin: 22px 0; }
.copyright { font-size: 0.8rem; color: #7f8bb0; margin-top: 18px; }
.long-form .fda, .long-form .affiliate { font-size: 0.8rem; color: var(--muted); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .header-row { flex-direction: column; align-items: flex-start; }
}