:root,
[data-theme="light"] {
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Manrope", "Helvetica Neue", sans-serif;
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.84rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.2vw, 1rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --text-lg: clamp(1.2rem, 1.02rem + 0.8vw, 1.65rem);
  --text-xl: clamp(2rem, 1.4rem + 2.4vw, 3.6rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --color-bg: #fbfaf6;
  --color-surface: #f3efe6;
  --color-text: #18223a;
  --color-muted: #676b73;
  --color-navy: #111b31;
  --color-blue: #2d427b;
  --color-blue-deep: #182953;
  --color-gold: #b89447;
  --color-gold-light: #dfc576;
  --color-border: rgb(24 34 58 / 13%);
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #0b142b;
  --color-surface: #111d37;
  --color-text: #f8f4ea;
  --color-muted: #bec1c8;
  --color-navy: #070d1c;
  --color-blue: #8095ce;
  --color-blue-deep: #1a2b58;
  --color-gold: #cba952;
  --color-gold-light: #e5cd87;
  --color-border: rgb(248 244 234 / 15%);
}

body { transition: color var(--transition), background var(--transition); }

.skip-link {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  color: #111b31;
  background: #dfc576;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.announcement {
  min-height: 36px;
  padding: var(--space-2) clamp(var(--space-4), 4vw, var(--space-12));
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  color: #fff9e9;
  background: #182953;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.announcement-detail { color: #dfc576; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 82px;
  padding: var(--space-3) clamp(var(--space-4), 4vw, var(--space-12));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg) 93%, transparent);
  backdrop-filter: blur(16px);
}

.brand,
.footer-brand {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark { width: 38px; color: var(--color-gold); }
.brand-mark path,
.footer-brand svg path {
  fill: none;
  stroke: currentColor;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-copy,
.footer-brand > div { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong,
.footer-brand strong {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-copy small,
.footer-brand span {
  margin-top: var(--space-1);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.desktop-nav,
.header-actions { display: flex; align-items: center; }
.desktop-nav { gap: var(--space-8); }
.header-actions { justify-content: flex-end; gap: var(--space-3); }
.desktop-nav a,
.shop-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 600;
}

.desktop-nav a:hover { color: var(--color-blue); }
.desktop-nav a[aria-current="page"] { color: var(--color-blue); }
.theme-toggle { width: 44px; height: 44px; display: grid; place-items: center; }
.theme-toggle svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.shop-link {
  padding-inline: var(--space-5);
  color: #fff;
  background: #182953;
}
.shop-link:hover { background: #2d427b; }

.eyebrow {
  color: var(--color-blue);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.journal-hero {
  min-height: 520px;
  padding: clamp(var(--space-20), 10vw, var(--space-32))
    clamp(var(--space-5), 7vw, var(--space-24));
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(var(--space-12), 8vw, var(--space-32));
  align-items: end;
  background:
    linear-gradient(120deg, rgb(251 250 246 / 96%), rgb(243 239 230 / 88%)),
    repeating-linear-gradient(90deg, transparent 0 79px, rgb(45 66 123 / 5%) 80px);
}

[data-theme="dark"] .journal-hero {
  background:
    linear-gradient(120deg, rgb(11 20 43 / 97%), rgb(17 29 55 / 90%)),
    repeating-linear-gradient(90deg, transparent 0 79px, rgb(229 205 135 / 5%) 80px);
}

.journal-hero h1,
.article-hero h1 {
  margin-top: var(--space-5);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 0.94;
  letter-spacing: -0.035em;
}

.journal-hero h1 { max-width: 10ch; font-size: clamp(4rem, 8vw, 8.5rem); }
.journal-intro {
  max-width: 50ch;
  padding-left: var(--space-8);
  border-left: 1px solid var(--color-gold);
  color: var(--color-muted);
}
.journal-intro strong {
  display: block;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

.journal-grid {
  padding: clamp(var(--space-16), 9vw, var(--space-32))
    clamp(var(--space-5), 7vw, var(--space-24));
}

.section-heading {
  max-width: 1120px;
  margin: 0 auto var(--space-12);
  display: flex;
  justify-content: space-between;
  gap: var(--space-8);
  align-items: end;
}
.section-heading h2 {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1;
}
.section-heading > p { max-width: 42ch; color: var(--color-muted); }

.article-cards {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border-top: 1px solid var(--color-border);
}

.article-card {
  position: relative;
  min-height: 420px;
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  grid-column: span 4;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition), background var(--transition);
}
.article-card:first-child { border-left: 1px solid var(--color-border); }
.article-card:hover { color: #fff; background: #182953; }
.article-card .number {
  color: var(--color-gold);
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
}
.article-card .meta {
  margin-top: auto;
  padding-top: var(--space-16);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.article-card:hover .meta,
.article-card:hover .summary { color: #cbd0dc; }
.article-card h2 {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 3.15rem);
  line-height: 1.02;
}
.article-card .summary { margin-top: var(--space-5); color: var(--color-muted); font-size: var(--text-sm); }
.article-card .read-link { margin-top: var(--space-8); font-size: var(--text-sm); font-weight: 700; }

.principles-strip {
  padding: var(--space-16) clamp(var(--space-5), 7vw, var(--space-24));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  color: #fff9e9;
  background: #111b31;
}
.principles-strip div { padding: 0 var(--space-8); border-left: 1px solid rgb(255 249 233 / 20%); }
.principles-strip div:first-child { border-left: 0; }
.principles-strip span { color: #dfc576; font-size: var(--text-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.principles-strip p { margin-top: var(--space-3); font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.2; }

.article-hero {
  padding: clamp(var(--space-16), 9vw, var(--space-24))
    clamp(var(--space-5), 10vw, var(--space-32));
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  gap: clamp(var(--space-10), 8vw, var(--space-24));
  align-items: end;
  border-bottom: 1px solid var(--color-border);
}
.article-hero h1 { max-width: 12ch; font-size: clamp(3.5rem, 7vw, 7.5rem); }
.article-dek { max-width: 44ch; color: var(--color-muted); font-size: var(--text-lg); }
.article-meta { margin-top: var(--space-6); display: flex; gap: var(--space-5); color: var(--color-muted); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .08em; }
.article-meta span { white-space: nowrap; }

.article-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(var(--space-12), 7vw, var(--space-24)) var(--space-5);
  display: grid;
  grid-template-columns: 190px minmax(0, 760px) minmax(180px, 1fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}

.article-index {
  position: sticky;
  top: 120px;
  padding-top: var(--space-3);
  border-top: 2px solid var(--color-gold);
  font-size: var(--text-xs);
}
.article-index strong { display: block; margin-bottom: var(--space-4); text-transform: uppercase; letter-spacing: .12em; }
.article-index a {
  min-height: 36px;
  display: flex;
  align-items: center;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}
.article-index a:hover { color: var(--color-blue); }

.article-content section > p,
.article-content section > ul,
.article-content section > ol { margin-top: var(--space-5); }
.article-content section { scroll-margin-top: 140px; }
.article-content section > p { line-height: 1.85; }
.article-content .lead { margin-top: 0; font-size: 1.18em; }
.article-content h2 {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 4vw, 3.8rem);
  line-height: 1.02;
}
.article-content h3 {
  margin-top: var(--space-10);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.2;
}
.article-content ul,
.article-content ol { padding-left: 1.4rem; }
.article-content li { padding-left: .35rem; }
.article-content li + li { margin-top: var(--space-3); }
.article-content a {
  color: var(--color-blue);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-gold) 65%, transparent);
  text-underline-offset: .18em;
}
.article-content sup a { text-decoration: none; font-weight: 700; }

.key-takeaway,
.protocol-box,
.caution-box {
  margin: var(--space-10) 0;
  padding: var(--space-8);
}
.key-takeaway { color: #fff; background: #182953; }
.key-takeaway > span {
  color: #dfc576;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.key-takeaway p { margin-top: var(--space-3); font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.25; }
.protocol-box { color: #18223a; background: #e5cd87; }
.protocol-box h3,
.caution-box h3 { margin-top: 0; }
.protocol-grid { margin-top: var(--space-6); display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgb(24 34 58 / 20%); }
.protocol-grid div { padding: var(--space-5); background: #f7e8ae; }
.protocol-grid span { display: block; font-size: var(--text-xs); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.protocol-grid strong { display: block; margin-top: var(--space-2); font-family: var(--font-display); font-size: 1.55rem; line-height: 1.15; }
.protocol-grid p { margin-top: var(--space-3); font-size: var(--text-xs); }
.caution-box { border: 1px solid var(--color-gold); background: var(--color-surface); }
.caution-box p { margin-top: var(--space-3); color: var(--color-muted); font-size: var(--text-sm); }

.evidence-aside {
  position: sticky;
  top: 120px;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: var(--text-xs);
}
.evidence-aside > span {
  display: block;
  margin-bottom: var(--space-5);
  color: var(--color-blue);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.evidence-aside strong:not(:first-of-type) {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.evidence-aside strong { display: block; color: var(--color-text); text-transform: uppercase; letter-spacing: .1em; }
.evidence-aside p { margin-top: var(--space-3); }
.evidence-aside .level { margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--color-border); }
.evidence-aside .level span { display: block; margin-top: var(--space-2); color: var(--color-blue); font-weight: 700; }

.references {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 2px solid var(--color-text);
}
.references h2 { margin-top: 0; padding-top: 0; border-top: 0; }
.references ol { color: var(--color-muted); font-size: var(--text-sm); }
.references li { overflow-wrap: anywhere; }

.medical-note {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-5) var(--space-20);
  color: var(--color-muted);
  font-size: var(--text-xs);
}
.medical-note strong { color: var(--color-text); }

.journal-cta {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-5);
  display: grid;
  place-items: center;
  text-align: center;
  color: #18223a;
  background: #dfc576;
}
.journal-cta h2 { max-width: 12ch; margin-top: var(--space-3); font-family: var(--font-display); font-size: var(--text-xl); line-height: 1; }
.journal-cta a { margin-top: var(--space-6); padding: var(--space-3) var(--space-5); color: #fff; background: #182953; font-size: var(--text-sm); font-weight: 700; }

footer {
  padding: var(--space-12) clamp(var(--space-4), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 1fr auto 1.4fr;
  align-items: start;
  gap: var(--space-8);
  color: #cbd0dc;
  background: #111b31;
  font-size: var(--text-xs);
}
.footer-brand { color: #fff9e9; }
.footer-brand > svg { width: 44px; color: #dfc576; }
footer nav { display: flex; gap: var(--space-5); }
footer nav a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-meta { max-width: 58ch; justify-self: end; }
.footer-meta p + p { margin-top: var(--space-3); color: #949baa; }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .journal-hero,
  .article-hero { grid-template-columns: 1fr; }
  .journal-intro { max-width: 60ch; }
  .article-shell { grid-template-columns: minmax(0, 1fr) 220px; }
  .article-index { position: static; grid-column: 1 / -1; }
  footer { grid-template-columns: 1fr 1fr; }
  .footer-meta { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 720px) {
  .announcement-detail,
  .theme-toggle { display: none; }
  .site-header { min-height: 72px; }
  .brand-copy strong { font-size: 1.08rem; }
  .shop-link { padding-inline: var(--space-4); }
  .journal-hero { min-height: 560px; align-items: center; }
  .journal-hero h1 { font-size: clamp(3.8rem, 18vw, 6rem); }
  .journal-intro { padding-left: 0; padding-top: var(--space-6); border-left: 0; border-top: 1px solid var(--color-gold); }
  .section-heading { display: block; }
  .section-heading > p { margin-top: var(--space-5); }
  .article-cards { display: block; }
  .article-card,
  .article-card:first-child { min-height: 380px; border-left: 1px solid var(--color-border); }
  .principles-strip { grid-template-columns: 1fr; gap: var(--space-8); }
  .principles-strip div,
  .principles-strip div:first-child { padding: var(--space-6) 0 0; border-left: 0; border-top: 1px solid rgb(255 249 233 / 20%); }
  .principles-strip div:first-child { padding-top: 0; border-top: 0; }
  .article-hero h1 { font-size: clamp(3rem, 14vw, 5rem); }
  .article-meta { flex-wrap: wrap; }
  .article-shell { display: block; }
  .article-index { margin-bottom: var(--space-10); }
  .evidence-aside { position: static; margin-top: var(--space-10); }
  .protocol-grid { grid-template-columns: 1fr; }
  .key-takeaway,
  .protocol-box,
  .caution-box { padding: var(--space-6); }
  footer { grid-template-columns: 1fr; }
  .footer-meta { grid-column: auto; }
}