/* The Dietary Health — articles, topic hubs (journal paper theme, matches dietary-journal.css) */
:root {
  --bg: #edf1e9; --paper: #fffdf7; --paper-warm: #f8f2e5; --ink: #17221a; --muted: #5d6a60;
  --green: #1f7445; --green-dark: #12452c; --lime: #b8d86e; --coral: #dc795f;
  --rule: rgba(23, 34, 26, .14); --shadow: 0 26px 60px rgba(34, 57, 40, .14); --ease: cubic-bezier(.2, .78, .22, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.ja { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: linear-gradient(rgba(31,116,69,.035) 1px, transparent 1px), var(--bg); background-size: 100% 34px; color: var(--ink); font: 400 1.02rem/1.7 "DM Sans", "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
main { flex: 1; width: min(1120px, 100% - 32px); margin: 0 auto; padding-bottom: 72px; }
a { color: var(--green); }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; border-radius: 4px; }

.ja-progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 90; background: linear-gradient(90deg, var(--green), var(--lime)); transform-origin: left; transform: scaleX(var(--read, 0)); }
.ja-top { position: sticky; top: 0; z-index: 60; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px clamp(16px, 4vw, 48px); background: rgba(237, 241, 233, .85); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--rule); }
.ja-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--green-dark); font: 700 1.25rem/1 "Cormorant Garamond", Georgia, serif; text-decoration: none; }
.ja-brand img { width: 34px; height: 34px; object-fit: contain; }
.ja-top nav { display: flex; gap: 4px; flex-wrap: wrap; }
.ja-top nav a { padding: 8px 14px; border-radius: 999px; color: var(--ink); font-weight: 600; font-size: .9rem; text-decoration: none; transition: background .2s, color .2s; }
.ja-top nav a:hover { background: var(--green); color: #fff; }

.ja-hero { padding: clamp(40px, 7vw, 88px) 0 28px; animation: rise .9s var(--ease) both; }
.ja-kicker { margin: 0 0 12px; color: var(--coral); font: 700 .72rem/1 "DM Mono", monospace; letter-spacing: .16em; text-transform: uppercase; }
.ja-hero h1, .ja-article-head h1 { margin: 0; color: var(--green-dark); font: 600 clamp(2.4rem, 6vw, 4.6rem)/1 "Cormorant Garamond", Georgia, serif; letter-spacing: -.01em; }
.ja-lead { max-width: 720px; margin: 16px 0 0; color: var(--muted); font-size: 1.12rem; }
.ja-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.ja-chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px; background: rgba(255,255,255,.6); color: var(--green-dark); font-size: .84rem; font-weight: 600; text-decoration: none; transition: background .2s, border-color .2s, color .2s; }
.ja-chip:hover, .ja-chip.is-on { background: var(--green); border-color: var(--green); color: #fff; }

.ja-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; padding-top: 22px; }
.ja-card { animation: turnIn .8s var(--ease) both; animation-delay: calc(var(--i, 0) * 70ms); transform-origin: left center; }
.ja-card a { display: grid; height: 100%; grid-template-rows: auto 1fr; overflow: hidden; border: 1px solid var(--rule); border-radius: 3px 14px 14px 3px; background: var(--paper); color: inherit; text-decoration: none; box-shadow: var(--shadow); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.ja-card a:hover { transform: translateY(-5px) rotate(-.3deg); box-shadow: 0 34px 70px rgba(34,57,40,.2); }
.ja-card-cover { aspect-ratio: 16/9; display: grid; place-items: center; background: linear-gradient(155deg, var(--green), var(--green-dark)); color: rgba(255,255,255,.85); font-size: 2.2rem; }
.ja-card-cover img { width: 100%; height: 100%; object-fit: cover; }
.ja-card-body { display: grid; gap: 8px; align-content: start; padding: 18px 20px 20px; }
.ja-card-body .ja-chip { justify-self: start; padding: 3px 10px; font-size: .74rem; }
.ja-card-body h2 { margin: 0; color: var(--green-dark); font: 600 1.55rem/1.1 "Cormorant Garamond", Georgia, serif; }
.ja-card-body p { margin: 0; color: var(--muted); font-size: .95rem; }
.ja-meta { color: var(--muted); font: 500 .78rem/1.4 "DM Mono", monospace; }

.ja-topics { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.ja-topic { display: grid; gap: 8px; padding: 24px; border: 1px solid var(--rule); border-radius: 3px 14px 14px 3px; background: var(--paper); color: inherit; text-decoration: none; box-shadow: var(--shadow); animation: turnIn .8s var(--ease) both; animation-delay: calc(var(--i, 0) * 60ms); transition: transform .35s var(--ease); }
.ja-topic:hover { transform: translateY(-5px); }
.ja-topic i { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: rgba(31,116,69,.1); color: var(--green); font-size: 1.2rem; }
.ja-topic h2 { margin: 6px 0 0; color: var(--green-dark); font: 600 1.6rem/1.1 "Cormorant Garamond", Georgia, serif; }
.ja-topic p { margin: 0; color: var(--muted); font-size: .93rem; }

.ja-empty { grid-column: 1 / -1; display: grid; justify-items: center; gap: 12px; padding: 64px 20px; text-align: center; border: 1px dashed var(--rule); border-radius: 14px; background: rgba(255,255,255,.5); }
.ja-empty i { color: var(--green); font-size: 2.4rem; }
.ja-empty h2 { margin: 0; color: var(--green-dark); font: 600 2rem/1.1 "Cormorant Garamond", Georgia, serif; }
.ja-empty p { max-width: 520px; margin: 0; color: var(--muted); }
.ja-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px; background: var(--green); color: #fff; font-weight: 700; text-decoration: none; transition: transform .2s, background .2s; }
.ja-btn:hover { transform: translateY(-2px); background: var(--green-dark); }

/* Article */
.ja-article { width: min(760px, 100%); margin: 0 auto; padding: 28px clamp(20px, 5vw, 64px) 48px; border: 1px solid var(--rule); border-radius: 3px 16px 16px 3px; background: linear-gradient(90deg, rgba(86,65,36,.06), transparent 3%), var(--paper); box-shadow: var(--shadow); margin-top: 32px; animation: turnIn 1s var(--ease) both; }
.ja-crumbs { color: var(--muted); font-size: .85rem; }
.ja-crumbs a { color: var(--muted); }
.ja-article-head { padding: 20px 0 8px; }
.ja-article-head .ja-chip { margin-bottom: 14px; }
.ja-byline { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--rule); color: var(--muted); font-size: .88rem; }
.ja-byline i { color: var(--green); margin-right: 4px; }
.ja-cover { margin: 24px 0 0; border-radius: 10px; overflow: hidden; }
.ja-takeaways { margin: 28px 0 8px; padding: 20px 24px; border-left: 4px solid var(--green); border-radius: 0 12px 12px 0; background: rgba(184, 216, 110, .18); }
.ja-takeaways h2 { margin: 0 0 8px; font: 700 .78rem/1 "DM Mono", monospace; letter-spacing: .14em; text-transform: uppercase; color: var(--green-dark); }
.ja-takeaways ul { margin: 0; padding-left: 20px; }
.ja-body { margin-top: 24px; }
.ja-body h2 { margin: 40px 0 10px; color: var(--green-dark); font: 600 2rem/1.1 "Cormorant Garamond", Georgia, serif; }
.ja-body h3 { margin: 28px 0 8px; color: var(--green-dark); font-size: 1.15rem; }
.ja-body p, .ja-body li { color: #26332a; }
.ja-body blockquote { margin: 22px 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--coral); color: var(--muted); font-style: italic; }
.ja-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: .92rem; }
.ja-body th, .ja-body td { padding: 8px 10px; border-bottom: 1px solid var(--rule); text-align: left; }
.ja-faq, .ja-refs, .ja-author { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--rule); }
.ja-faq h2, .ja-refs h2, .ja-author h2, .ja-related h2 { margin: 0 0 14px; color: var(--green-dark); font: 600 1.8rem/1.1 "Cormorant Garamond", Georgia, serif; }
.ja-faq details { margin-bottom: 10px; padding: 12px 16px; border: 1px solid var(--rule); border-radius: 10px; background: rgba(255,255,255,.6); }
.ja-faq summary { cursor: pointer; font-weight: 700; color: var(--green-dark); }
.ja-faq details p { margin: 10px 0 0; }
.ja-refs ol { padding-left: 22px; color: var(--muted); font-size: .9rem; }
.ja-disclaimer { margin-top: 32px; padding: 14px 16px; border-radius: 10px; background: var(--paper-warm); color: var(--muted); font-size: .86rem; }
.ja-related { width: min(1120px, 100%); margin: 48px auto 0; }

.ja-foot { padding: 32px clamp(16px, 4vw, 48px); border-top: 1px solid var(--rule); background: rgba(255,255,255,.5); color: var(--muted); font-size: .88rem; text-align: center; }
.ja-foot p { margin: 6px 0; }

@keyframes rise { from { opacity: 0; transform: translateY(24px); } }
@keyframes turnIn { from { opacity: 0; transform: perspective(1400px) rotateY(-14deg) translateY(18px); } }

@media (max-width: 640px) {
  .ja-top { padding: 10px 14px; }
  .ja-brand span { font-size: 1.05rem; }
  .ja-top nav a { padding: 6px 10px; font-size: .82rem; }
  .ja-article { padding: 20px 18px 36px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (max-width: 520px) {
  .ja-top { flex-wrap: nowrap; gap: 8px; }
  .ja-brand span { white-space: nowrap; font-size: .98rem; }
  .ja-top nav { flex-wrap: nowrap; gap: 0; }
  .ja-top nav a { padding: 6px 8px; font-size: .78rem; white-space: nowrap; }
}