:root {
  --black: #0a0a09;
  --dark: #111110;
  --dark-surface: #151513;
  --dark-surface-light: #1a1a17;
  --copper: #c8914a;
  --copper-light: #d4a563;
  --copper-deep: #8b5e2a;
  --warm-white: #ede7dd;
  --warm-gray: #b0a594;
  --muted: #776e62;
  --divider: rgba(200, 145, 74, 0.14);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Jost', 'Helvetica Neue', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--dark);
  color: var(--warm-white);
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--copper); color: var(--black); }
a { color: var(--copper); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--copper-light); }

nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  min-height: 76px;
  padding: 22px 40px;
  background: rgba(10,10,9,.94);
  border-bottom: 1px solid var(--divider);
  backdrop-filter: blur(14px);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  color: var(--warm-white);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .25em;
  text-transform: uppercase;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  color: var(--warm-gray);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.nav-link[aria-current='page'], .nav-link:hover { color: var(--warm-white); }
.nav-cta {
  border: 1px solid rgba(200,145,74,.35);
  color: var(--copper);
  font-size: 12px;
  letter-spacing: .1em;
  padding: 9px 20px;
  text-transform: uppercase;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--warm-white);
  font: 400 12px var(--sans);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.container { width: min(100% - 48px, 780px); margin-inline: auto; }
.container-wide { width: min(100% - 48px, 1060px); margin-inline: auto; }
.eyebrow {
  color: var(--copper);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.page-hero {
  padding: 170px 0 88px;
  border-bottom: 1px solid var(--divider);
  background:
    radial-gradient(circle at 70% 20%, rgba(200,145,74,.09), transparent 38%),
    var(--dark);
}
.page-hero h1 {
  max-width: 850px;
  margin-top: 20px;
  font: 500 clamp(42px, 7vw, 76px)/1.02 var(--serif);
  letter-spacing: -.015em;
}
.page-hero h1 em { color: var(--copper); font-weight: 400; }
.page-deck {
  max-width: 680px;
  margin-top: 28px;
  color: var(--warm-gray);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.6;
}
.byline { margin-top: 28px; color: var(--muted); font-size: 13px; letter-spacing: .04em; }

.article { padding: 88px 0 110px; }
.article h2 {
  margin: 72px 0 20px;
  color: var(--warm-white);
  font: 500 clamp(30px, 4vw, 42px)/1.15 var(--serif);
}
.article h3 {
  margin: 40px 0 14px;
  color: var(--copper-light);
  font: 400 22px/1.35 var(--sans);
}
.article p { margin: 0 0 24px; color: var(--warm-gray); }
.article strong { color: var(--warm-white); font-weight: 400; }
.article ul, .article ol { margin: 18px 0 28px 24px; color: var(--warm-gray); }
.article li { margin-bottom: 12px; padding-left: 6px; }
.article blockquote {
  margin: 42px 0;
  border-left: 2px solid var(--copper);
  background: rgba(200,145,74,.035);
  padding: 28px 32px;
  color: var(--warm-white);
  font: italic 400 clamp(23px, 3vw, 30px)/1.45 var(--serif);
}
.article-note {
  margin: 38px 0;
  border: 1px solid var(--divider);
  background: var(--dark-surface);
  padding: 28px 30px;
}
.article-note .eyebrow { display: block; margin-bottom: 10px; }
.article-note p:last-child { margin-bottom: 0; }
.protocol {
  border: 1px solid var(--divider);
  background: var(--dark-surface);
  padding: 34px;
  margin: 28px 0;
}
.protocol-number {
  color: rgba(200,145,74,.42);
  font: italic 400 38px/1 var(--serif);
}
.protocol h3 { margin-top: 10px; }
.protocol-meta { color: var(--muted); font-size: 14px; }

.btn-primary, .btn-outline {
  display: inline-block;
  padding: 14px 28px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.btn-primary { background: var(--copper); color: var(--black); }
.btn-primary:hover { background: var(--copper-light); color: var(--black); }
.btn-outline { border: 1px solid rgba(200,145,74,.4); color: var(--warm-white); }
.cta-box {
  margin: 70px 0 28px;
  padding: 48px;
  border: 1px solid rgba(200,145,74,.24);
  background: linear-gradient(145deg, rgba(200,145,74,.09), var(--dark-surface));
  text-align: center;
}
.cta-box h2 { margin: 14px 0; }
.cta-box p { max-width: 570px; margin: 0 auto 28px; }

.insights-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 2px;
  margin-top: 46px;
}
.insight-card {
  min-height: 330px;
  padding: 40px;
  border: 1px solid var(--divider);
  background: var(--dark-surface);
  display: flex;
  flex-direction: column;
  transition: border-color .25s ease, transform .25s ease;
}
.insight-card:hover { border-color: rgba(200,145,74,.38); transform: translateY(-3px); }
.insight-card .eyebrow { margin-bottom: 18px; }
.insight-card h2, .insight-card h3 {
  color: var(--warm-white);
  font: 500 clamp(28px, 3vw, 38px)/1.15 var(--serif);
}
.insight-card p { margin: 20px 0; color: var(--warm-gray); }
.insight-card .card-link {
  margin-top: auto;
  color: var(--copper);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hub-intro { padding: 88px 0 20px; }
.hub-intro h2 {
  margin-top: 16px;
  font: 500 clamp(32px, 4vw, 46px)/1.15 var(--serif);
}
.hub-intro p { max-width: 690px; margin-top: 20px; color: var(--warm-gray); }

.sources {
  margin-top: 72px;
  padding-top: 38px;
  border-top: 1px solid var(--divider);
}
.sources h2 { margin-top: 0; font-size: 29px; }
.sources li { font-size: 14px; color: var(--muted); }
.safety { font-size: 14px; color: var(--muted); }

footer {
  padding: 60px 24px;
  border-top: 1px solid var(--divider);
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .08em;
}
footer p + p { margin-top: 8px; }

@media (max-width: 760px) {
  nav { min-height: 68px; padding: 18px 24px; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    padding: 24px;
    background: rgba(10,10,9,.98);
    border-bottom: 1px solid var(--divider);
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .nav-links.open { display: flex; }
  .page-hero { padding: 132px 0 68px; }
  .article { padding: 60px 0 82px; }
  .article h2 { margin-top: 58px; }
  .insights-grid { grid-template-columns: 1fr; }
  .insight-card { min-height: 0; padding: 30px; }
  .cta-box { padding: 36px 24px; }
  .protocol { padding: 28px 24px; }
  .container, .container-wide { width: min(100% - 36px, 780px); }
}