/* ============================================================
   Per-peptide guide pages - shared layout
   (linked by every guide page in addition to styles.css)
   ============================================================ */
.guide-hero { background: linear-gradient(180deg, var(--cream-deep), var(--cream)); padding: 40px 0 34px; border-bottom: 1px solid var(--line); }
.crumbs { font-size: .82rem; color: var(--ink-soft); margin-bottom: 22px; }
.crumbs a { color: var(--copper); font-weight: 600; }
.guide-hero h1 { font-size: clamp(2.3rem,4.6vw,3.4rem); color: var(--pine); max-width: 16em; margin-bottom: 16px; }
.guide-hero .formula { font-family: var(--serif); font-style: italic; font-size: 1.2rem; color: var(--sage); margin-bottom: 18px; }
.guide-hero .lede { max-width: 40em; }
.gchips { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.gchip { background: var(--paper); border: 1px solid var(--line); border-radius: 100px; padding: 9px 18px; font-size: .85rem; font-weight: 500; }
.gchip b { color: var(--pine); }

.guide-body { padding: 44px 0 0; }
.guide-layout { display: grid; grid-template-columns: 220px 1fr 280px; gap: 48px; align-items: start; }

.toc { position: sticky; top: 96px; }
.toc h5 { font-family: var(--sans); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--copper); margin-bottom: 14px; }
.toc a { display: block; font-size: .92rem; color: var(--ink-soft); padding: 7px 0; border-left: 2px solid var(--line); padding-left: 14px; transition: all .2s; }
.toc a:hover, .toc a.active { color: var(--pine); border-color: var(--copper); font-weight: 600; }

.article h2 { font-size: 1.9rem; color: var(--pine); margin: 0 0 18px; scroll-margin-top: 90px; }
.article h2:not(:first-child) { margin-top: 52px; }
.article p { font-size: 1.06rem; color: var(--ink-soft); margin-bottom: 18px; line-height: 1.72; }
.article ul { margin: 0 0 20px 22px; }
.article li { font-size: 1.04rem; color: var(--ink-soft); margin-bottom: 9px; line-height: 1.6; }
.article strong { color: var(--ink); }
.callout { background: var(--cream-deep); border-left: 4px solid var(--copper); border-radius: 10px; padding: 22px 26px; margin: 28px 0; }
.callout b { color: var(--pine); display: block; margin-bottom: 6px; font-family: var(--serif); font-size: 1.1rem; }
.callout p { font-size: .96rem; margin: 0; }
.factbox { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; margin: 28px 0; }
.factbox div { background: var(--paper); padding: 18px 22px; }
.factbox .k { font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--sage); font-weight: 600; }
.factbox .v { font-size: 1.02rem; color: var(--ink); margin-top: 4px; }
.status-banner { border-radius: var(--r); padding: 20px 24px; margin: 0 0 8px; }
.status-banner.review { background: rgba(194,112,61,.1); border: 1px solid rgba(194,112,61,.3); }
.status-banner.review b { color: var(--copper); }
.status-banner.avail { background: rgba(45,120,90,.1); border: 1px solid rgba(45,120,90,.3); }
.status-banner.avail b { color: #1d6e4f; }

.aside-cta { position: sticky; top: 96px; background: var(--pine); color: var(--cream); border-radius: var(--r-lg); padding: 28px; box-shadow: var(--shadow-lg); }
.aside-cta h4 { color: var(--cream); font-size: 1.3rem; margin-bottom: 10px; }
.aside-cta p { font-size: .9rem; color: rgba(246,241,231,.78); margin-bottom: 20px; }
.aside-cta .btn { width: 100%; justify-content: center; }
.aside-cta .micro { font-size: .76rem; color: rgba(246,241,231,.55); margin-top: 14px; text-align: center; }

.related { background: var(--cream-deep); margin-top: 50px; padding: 46px 0; }
.related h3 { font-size: 1.6rem; color: var(--pine); margin-bottom: 26px; }
.rel-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.rel-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; transition: transform .3s, box-shadow .3s; }
.rel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.rel-card h4 { color: var(--pine); font-size: 1.15rem; margin-bottom: 6px; }
.rel-card p { font-size: .85rem; color: var(--ink-soft); }

@media (max-width: 1000px) {
  .guide-layout { grid-template-columns: 1fr; }
  .toc, .aside-cta { position: static; }
  .toc { display: none; }
  .aside-cta { margin-top: 40px; }
  .rel-grid { grid-template-columns: 1fr; }
}