/* Peptrend.Health public site. Source of truth: docs/mockups/peptrend-*-mockup.html.
   Accent tokens re-tinted from the mockup teal (#0d9d8a) to the logo green (#42946b). */

@font-face{font-family:'Sora';font-style:normal;font-weight:400 800;font-display:swap;
  src:url('../fonts/sora-latin-var.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* Metric-matched fallback so the swap to Sora does not shift layout. */
@font-face{font-family:'Sora Fallback';src:local('Arial'),local('Helvetica Neue'),local('Helvetica');size-adjust:113%;ascent-override:88%;descent-override:26%;line-gap-override:0%}

:root{
  --ink:#12203a;
  --ink-soft:#4c586e;
  --muted:#667085;
  --bg:#ffffff;
  --surface:#f6f7fa;
  --line:#e9ecf2;
  --brand-navy:#203d5b;
  --accent:#42946b;
  --accent-btn:#2f7a55;
  --accent-btn-hover:#276848;
  --accent-dark:#276848;
  --accent-soft:#e5f3ea;
  --coral-soft:#ffece4;--coral-ink:#a8461f;
  --gold-soft:#fff4d9;--gold-ink:#855a07;
  --violet-soft:#efeaff;--violet-ink:#5a3fc0;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --gutter:28px;
  --font:'Sora','Sora Fallback',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:90px}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:760px;margin:0 auto;padding:0 var(--gutter)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-weight:600}
.skip:focus{top:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border-radius:999px;font-weight:700;font-size:14.5px;line-height:1.2;text-align:center;border:0;cursor:pointer;transition:background .15s}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--accent-btn)}
.btn-accent{background:var(--accent-btn);color:#fff}
.btn-accent:hover{background:var(--accent-btn-hover)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.18)}
.pill-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 20px;border-radius:999px;font-weight:600;font-size:14px;background:var(--surface);color:var(--ink);border:0;cursor:pointer}
.pill-btn:hover{background:var(--line)}
.pill-btn.pill-dark{background:var(--ink);color:#fff}
.pill-btn.is-off{opacity:.45;cursor:default}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:999px;border:0;background:transparent;color:var(--ink);cursor:pointer}
.icon-btn:hover{background:var(--surface)}
.linklike{background:none;border:0;padding:0;cursor:pointer;color:inherit;text-decoration:underline;text-underline-offset:3px}
.text-link{color:var(--accent-dark);font-weight:600;text-decoration:underline;text-decoration-color:rgba(39,104,72,.35);text-underline-offset:3px}

/* ============ NAV ============ */
.nav-outer{position:sticky;top:0;z-index:50;padding:14px 0;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:44px}
.brand{display:flex;align-items:center;flex:0 0 auto;min-height:44px}
.brand .logo{height:30px;width:auto}
.nav-links{display:flex;gap:30px;font-size:15px;font-weight:500;color:var(--ink-soft)}
.nav-links a{padding:10px 0;white-space:nowrap}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ink)}
.nav-links a[aria-current]{box-shadow:inset 0 -2px 0 var(--accent)}
.nav-end{display:flex;align-items:center;gap:6px}
.nav-cta{display:inline-flex;align-items:center;min-height:44px;background:var(--ink);color:#fff;font-weight:600;font-size:14px;padding:11px 20px;border-radius:999px;transition:background .15s;white-space:nowrap;margin-left:6px}
.nav-cta:hover{background:var(--accent-btn)}
.nav-toggle{display:none}
.mobile-panel{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 40px -24px rgba(18,32,58,.35);padding:10px 0 22px;max-height:calc(100vh - 72px);overflow-y:auto;transform-origin:top;animation:slide .18s ease-out}
.mobile-panel[hidden]{display:none}
@keyframes slide{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.mp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.mp-title{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.mp-search{display:flex;align-items:center;gap:6px;background:var(--surface);border-radius:999px;padding:2px 2px 2px 18px;margin:4px 0 10px}
.mp-search input{flex:1;min-width:0;border:0;background:transparent;font-size:15px;min-height:44px;outline:none}
.mp-links{list-style:none;display:grid;grid-template-columns:1fr;margin-bottom:14px}
.mp-links a{display:flex;align-items:center;min-height:48px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line)}
.mp-links a[aria-current]{color:var(--accent-dark)}
.mp-cta{width:100%}
.mp-scrim{position:fixed;inset:0;z-index:40;background:rgba(18,32,58,.28)}
.mp-scrim[hidden]{display:none}

/* ============ COVERS ============ */
.cover{position:relative;overflow:hidden;border-radius:var(--r-lg);aspect-ratio:16/10;display:block;background:#dfe6ef}
.cover svg,.cover img,.cover picture{position:absolute;inset:0;width:100%;height:100%}
.cover img{object-fit:cover}
.cover-hero{aspect-ratio:21/9}
.cover-sq{aspect-ratio:1/1;border-radius:var(--r-md)}
.cover-thumb{aspect-ratio:1/1;border-radius:var(--r-sm);width:96px;flex:0 0 96px}
.badge{position:absolute;top:16px;left:16px;background:#fff;color:var(--ink);font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;z-index:2}

/* ============ META + TAGS ============ */
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:4px 10px;font-size:13px;color:var(--muted)}
.ava{width:28px;height:28px;border-radius:50%;background:var(--accent-btn);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex:0 0 28px;object-fit:cover}
.meta-author{color:var(--ink);font-weight:600}
.meta-author:hover{color:var(--accent-dark)}
.tags{display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:8px}
.tag{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:32px;font-size:12.5px;font-weight:600;padding:6px 13px;border-radius:999px;background:var(--accent-soft);color:var(--accent-dark);white-space:nowrap}
.tag::after{content:"";position:absolute;inset:-6px -2px}
a.tag:hover{filter:brightness(.96)}
.tag-green,.tag-teal{background:var(--accent-soft);color:var(--accent-dark)}
.tag-coral{background:var(--coral-soft);color:var(--coral-ink)}
.tag-gold{background:var(--gold-soft);color:var(--gold-ink)}
.tag-violet{background:var(--violet-soft);color:var(--violet-ink)}

/* ============ HOME HERO ============ */
.hero{padding:44px 0 20px;display:grid;grid-template-columns:1.55fr 1fr;gap:44px;align-items:start}
.hero-main .cover{margin-bottom:22px}
.hero-title{font-size:clamp(28px,3.4vw,40px);line-height:1.18;letter-spacing:-.02em;font-weight:800;margin:14px 0 12px}
.hero-title a:hover{color:var(--accent-dark)}
.hero-main>p{color:var(--ink-soft);font-size:16.5px;max-width:640px;margin-bottom:16px}
.hero-side{display:flex;flex-direction:column;gap:22px;padding-top:6px}
.side-item{display:flex;gap:16px;align-items:flex-start}
.side-item>div{min-width:0}
.side-item h3{font-size:15.5px;line-height:1.35;font-weight:700;margin-bottom:6px}
.side-item h3 a:hover{color:var(--accent-dark)}
.side-item p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-item .meta{margin-top:8px}

/* ============ SECTIONS + CARDS ============ */
.sect{padding:52px 0 8px}
.sect>h2,.sect-h{font-size:24px;font-weight:800;letter-spacing:-.01em;margin-bottom:26px}
.sect-h{margin-top:48px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:40px 36px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 30px}
.card{min-width:0}
.card .cover{margin-bottom:16px;transition:transform .2s}
.card:hover .cover{transform:translateY(-3px)}
.card .meta{margin-bottom:10px}
.card h2,.card h3{font-size:19px;line-height:1.3;font-weight:700;margin-bottom:8px;letter-spacing:-.005em}
.card h2 a:hover,.card h3 a:hover{color:var(--accent-dark)}
.card p{font-size:14px;color:var(--ink-soft)}
.grid3 .card h2,.grid3 .card h3{font-size:16.5px;line-height:1.35}
.grid3 .card p{font-size:13.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* Title links: 44px hit area with no visual shift. */
.card h2 a,.card h3 a,.side-item h3 a,.hero-title a{display:block;padding:11px 0;margin:-11px 0}

/* ============ NEWSLETTER ============ */
.newsletter{margin:64px 0 0;background:var(--ink);border-radius:var(--r-lg);padding:52px 56px;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;color:#fff;position:relative;overflow:hidden}
.newsletter::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(66,148,107,.55),transparent 70%);pointer-events:none}
.newsletter h2{font-size:26px;font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.newsletter p{color:#b9c2d4;font-size:15px}
.nl-form{position:relative;z-index:1}
.nl-row{display:grid;grid-template-columns:1fr auto;gap:10px}
.nl-form input{min-width:0;border:2px solid transparent;border-radius:999px;padding:13px 22px;font-size:14.5px;min-height:50px;background:#fff;color:var(--ink)}
.nl-form input:focus{outline:none;border-color:var(--accent)}
.nl-form input[aria-invalid=true]{border-color:#ff9d8a}
.nl-form button{background:var(--accent-btn);color:#fff;border:none;border-radius:999px;padding:14px 26px;font-weight:700;font-size:14.5px;cursor:pointer;min-height:50px}
.nl-form button:hover{background:var(--accent-btn-hover)}
.nl-form button[disabled]{opacity:.7;cursor:progress}
.nl-status{min-height:0;margin-top:10px;font-size:14px;font-weight:600}
.nl-status:empty{display:none}
.nl-status.is-ok{color:#8fe0b5}
.nl-status.is-err{color:#ffb4a6}

/* ============ LIST PAGES ============ */
.list-head{padding:44px 0 34px;max-width:760px}
.list-head h1{font-size:clamp(30px,4vw,42px);line-height:1.15;letter-spacing:-.02em;font-weight:800;margin:14px 0 12px}
.list-head .tag{margin-top:4px}
.lede{font-size:17px;color:var(--ink-soft)}
.count{margin-top:12px;font-size:14px;color:var(--muted)}
.count a{color:var(--accent-dark);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.list-grid{margin-top:6px}
.empty{background:var(--surface);border-radius:var(--r-md);padding:32px;display:grid;gap:18px;justify-items:start}
.empty p{color:var(--ink-soft);max-width:560px}
.pager{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:44px 0 0}
.pager .pill-btn:first-child{justify-self:start}
.pager .pill-btn:last-child{justify-self:end}
.pager-count{font-size:14px;color:var(--muted)}
.author-row{display:flex;align-items:center;gap:18px}
.author-row h1{margin:0}
.author-row .count{margin-top:2px}
.author-head .lede{margin-top:18px}
.prose-lite p{margin-bottom:12px}
.search-form{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:22px;max-width:620px}
.search-form input{min-height:50px;border:1.5px solid var(--line);border-radius:999px;padding:12px 22px;font-size:15px;background:#fff;min-width:0}
.search-form input:focus{outline:none;border-color:var(--accent)}
.topic-chips{display:flex;flex-wrap:wrap;gap:12px 18px}
.topic-chips .tag{background:none;padding:0;min-height:0;color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px;font-size:15px}

/* ============ BREADCRUMBS ============ */
.crumbs{font-size:13px;color:var(--muted);margin-bottom:16px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";color:#b3bac7}
.crumbs a{color:var(--ink-soft);display:inline-flex;align-items:center;min-height:24px}
.crumbs a:hover{color:var(--accent-dark)}
.crumbs span[aria-current]{color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

/* ============ ARTICLE ============ */
.art-head{padding:44px var(--gutter) 8px}
.art-head .tags{margin-bottom:18px}
.art-head h1{font-size:clamp(30px,4vw,44px);line-height:1.15;letter-spacing:-.02em;font-weight:800;margin-bottom:16px}
.art-head .dek{font-size:18px;color:var(--ink-soft);margin-bottom:22px;max-width:680px}
.art-head .meta{font-size:13.5px;padding-bottom:30px}
.art-head .updated{font-size:13px;color:var(--muted);margin:-20px 0 30px}
.page-head{padding-bottom:4px}
.page-head .updated{margin:0 0 8px}
.prose{padding:44px var(--gutter) 8px;font-size:16.5px;color:#26334d}
.page-body{padding-top:20px}
.prose p{margin-bottom:22px}
.prose h2{font-size:25px;line-height:1.25;font-weight:800;letter-spacing:-.01em;margin:38px 0 14px;color:var(--ink)}
.prose h3{font-size:19px;line-height:1.3;font-weight:700;margin:28px 0 10px;color:var(--ink)}
.prose ul,.prose ol{margin:0 0 22px 22px}
.prose li{margin-bottom:8px;padding-left:2px}
.prose a{color:var(--accent-dark);font-weight:600;text-decoration:underline;text-decoration-color:rgba(39,104,72,.35);text-underline-offset:3px;overflow-wrap:anywhere}
.prose a:hover{text-decoration-color:var(--accent-dark)}
.prose strong{color:var(--ink)}
.keypoints{background:var(--accent-soft);border-radius:var(--r-md);padding:26px 30px;margin:8px 0 30px}
.keypoints h2{margin:0 0 12px;font-size:16px;color:var(--accent-dark);letter-spacing:0}
.keypoints ul{margin:0 0 0 20px}
.keypoints li{font-size:15px;margin-bottom:7px}
.prose blockquote{border-radius:var(--r-md);background:var(--surface);padding:26px 30px;margin:6px 0 26px;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink)}
.prose blockquote p{margin:0}
.refs{border-top:1px solid var(--line);margin-top:40px;padding-top:26px}
.refs h2{font-size:18px;margin:0 0 14px}
.refs ol{margin-left:20px;font-size:13.5px;color:var(--ink-soft)}
.refs li{margin-bottom:10px}
.refs a{font-weight:500}
.pcd-cta{margin:44px 0 0;background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
.pcd-cta::after{content:"";position:absolute;right:-70px;bottom:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(66,148,107,.5),transparent 70%);pointer-events:none}
.pcd-cta>div:first-child{position:relative;z-index:1}
.pcd-kicker{font-size:12px!important;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#8fe0b5!important;margin-bottom:6px!important}
.pcd-cta h2{font-size:21px;font-weight:800;margin:0 0 8px;color:#fff;letter-spacing:0}
.pcd-cta p{color:#b9c2d4;font-size:14.5px;max-width:440px;margin:0}
.pcd-links{position:relative;z-index:1;display:grid;grid-auto-flow:row;grid-auto-rows:1fr;gap:10px;flex:0 0 auto;min-width:220px}
.pcd-links .btn{text-decoration:none;color:#fff;font-weight:700}
.art-disclaimer{margin-top:28px;background:var(--surface);border-radius:var(--r-sm);padding:16px 20px;font-size:13px!important;line-height:1.65;color:var(--muted)}
.related{padding:64px var(--gutter) 8px}
.related h2{font-size:24px;font-weight:800;margin-bottom:26px}
.preview-bar{background:var(--gold-soft);color:var(--gold-ink);font-size:14px;font-weight:600;padding:12px var(--gutter);text-align:center}
.preview-bar a{text-decoration:underline}

/* ============ ARTICLE: one container (hero width) ============ */
/* Header, hero and body share .wrap, so nothing is narrower than the hero cover. */
.art .art-head{padding:44px 0 8px}
.art .art-head .dek{max-width:none}
.art .prose{padding:44px 0 8px;font-size:18px;line-height:1.75}
.art .art-flow>h2{font-size:28px;margin:44px 0 16px}
.art .art-flow>h3{font-size:21px;margin:32px 0 12px}
.art .prose p,.art .prose ul,.art .prose ol{margin-bottom:24px}
.art .keypoints li{font-size:16.5px}
.art .prose blockquote{font-size:20px}
.art .prose figure,.art .prose img,.art .prose blockquote,.art .keypoints{width:100%}
.art .pcd-cta p{max-width:560px}
.art-flow{position:relative}

/* ============ ARTICLE + PROFILE: body column and right sidebar ============ */
/* Below the hero the page splits: body left (fills the rest), sidebar right. */
.art-cols{display:block}
.art-side{padding:8px 0 0;margin-top:40px}
.side-sec{margin-bottom:30px}
.side-h{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.side-list{list-style:none}
.side-list li{border-top:1px solid var(--line)}
.side-list li:last-child{border-bottom:1px solid var(--line)}
.side-more li{padding:12px 0}
.side-more a{display:block;font-size:14.5px;font-weight:600;line-height:1.4;color:var(--ink);padding:12px 0;margin:-12px 0}
.side-more .side-date{position:relative}
.side-more a:hover,.side-links a:hover{color:var(--accent-dark)}
.side-date{display:block;margin-top:3px;font-size:12.5px;color:var(--muted)}
.side-links a{display:flex;align-items:center;min-height:44px;font-size:14.5px;color:var(--ink-soft)}
.side-links .side-all{font-weight:600;color:var(--accent-dark)}
.side-store{background:var(--surface);border-radius:var(--r-sm);padding:18px 20px}
.side-store p{font-size:13.5px;color:var(--ink-soft);margin:0 0 8px}
.side-store .side-store-k{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.side-store a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;font-weight:700;color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px}
@media (min-width:1024px){
  .art-cols{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
  .art-side{margin-top:0;padding-top:44px;align-self:stretch}
  /* Sticky within its column; if it is taller than the viewport it scrolls on its own. */
  .side-inner{position:sticky;top:96px;max-height:calc(100vh - 112px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding-right:4px}
}
@media (min-width:1180px){
  .art-cols{grid-template-columns:minmax(0,1fr) 340px;gap:56px}
}

/* ============ SHARE ============ */
.share-label{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.share-list{list-style:none;display:flex;gap:8px;margin:0;padding:0}
.share-list li{margin:0;padding:0}
.sh{position:relative;display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:0;border-radius:50%;background:transparent;padding:0;cursor:pointer;color:#fff;text-decoration:none!important}
.sh:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.sh-c{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;transition:transform .15s,filter .15s}
.sh:hover .sh-c{transform:translateY(-1px);filter:brightness(1.08)}
.sh-facebook .sh-c{background:#1877F2;color:#fff}
.sh-linkedin .sh-c{background:#0A66C2;color:#fff}
.sh-x .sh-c{background:#000;color:#fff}
.sh-copy .sh-c{background:#fff;color:#667085;box-shadow:inset 0 0 0 1px #d0d5dd}
.sh-copy .i-check{display:none}
.sh-copy.is-copied .i-link{display:none}
.sh-copy.is-copied .i-check{display:block;color:var(--accent-btn)}
.sh-tip{position:absolute;white-space:nowrap;background:var(--ink);color:#fff;font-size:12px;font-weight:600;line-height:1;padding:7px 10px;border-radius:8px;pointer-events:none;opacity:0;transition:opacity .15s}
.sh-tip:empty{display:none}
.sh-copy.is-copied .sh-tip{opacity:1}

/* Row variant (phones, tablets, and desktops too narrow for a gutter rail). */
.share-row{margin:-14px 0 28px}
.share-inner{display:flex;align-items:center;gap:10px}
.share-row .sh-c{width:36px;height:36px}
.share-row .sh-c svg{width:16px;height:16px}
.share-row .share-list{gap:4px}
.share-row .sh-tip{bottom:calc(100% + 4px);left:50%;transform:translateX(-50%)}
.share-rail{display:none}

/* Rail variant: in the left gutter, sticky beside the prose. Needs about 96px of
   gutter (56px rail + 28px gap + margin), which exists from 1320px up. */
@media (min-width:1320px){
  .share-row{display:none}
  .share-rail{display:block;position:absolute;top:0;bottom:0;right:calc(100% + 28px);width:56px}
  .share-rail .share-inner{position:sticky;top:96px;flex-direction:column;gap:10px}
  .share-rail .share-list{flex-direction:column;gap:10px}
  .share-rail .sh-tip{left:calc(100% + 8px);top:50%;transform:translateY(-50%)}
}

/* ============ PEPTIDE INDEX ============ */
/* Category filter: a group of controls, equal widths, never an orphan (one row wide, 2 columns on phones). */
.pep-filter{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:8px;margin:0 0 18px}
.pf{display:flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 14px;border-radius:999px;background:var(--surface);color:var(--ink-soft);font-size:13.5px;font-weight:600;text-align:center;line-height:1.2}
.pf span{font-weight:500;color:var(--muted)}
.pf:hover{background:var(--line)}
.pf.is-on{background:var(--ink);color:#fff}
.pf.is-on span{color:#b9c2d4}
.pep-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.pep-card-tags .tag{pointer-events:none}
.pep-kicker{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:14px 0 4px}
.pep .art-head .tags{margin-bottom:4px}
.facts{background:var(--accent-soft);border-radius:var(--r-md);padding:26px 30px;margin:8px 0 30px}
.facts h2{font-size:16px!important;color:var(--accent-dark);margin:0 0 14px!important;letter-spacing:0}
.facts dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 32px}
.fact{min-width:0}
.fact dt{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-dark);margin-bottom:2px}
.fact dd{font-size:15px;line-height:1.55;color:var(--ink);overflow-wrap:anywhere}
.art .pep-section>h2,.art .faq>h2{font-size:28px;margin:44px 0 16px;line-height:1.25;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.art .pep-section:first-child>h2{margin-top:8px}
.art .pep-section h3{font-size:21px;margin:28px 0 10px}
.faq-item{background:var(--surface);border-radius:var(--r-md);padding:22px 26px;margin-bottom:14px}
.faq-item h3{font-size:18px!important;margin:0 0 8px!important;line-height:1.35}
.faq-a p{margin-bottom:10px!important}
.faq-a p:last-child{margin-bottom:0!important}
.pep .related{padding:56px 0 8px}
.pep .related h3{font-size:16.5px;line-height:1.35;font-weight:700;margin-bottom:6px}
.pep .related .card p{font-size:13.5px;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.mention-flag{font-size:12px!important;font-weight:700;color:var(--accent-dark)!important;margin-bottom:6px;text-transform:uppercase;letter-spacing:.06em}
.pep-end{padding-top:20px!important}
.pep-end .pcd-cta{margin-top:24px}
.prose a.pep-link{text-decoration-style:dotted}
@media (max-width:680px){
  .pep-filter{grid-auto-flow:row;grid-template-columns:1fr 1fr}
  .pep-filter .pf:last-child:nth-child(odd){grid-column:1/-1}
  .facts{padding:22px 20px}
  .facts dl{grid-template-columns:1fr;gap:12px}
  .art .pep-section>h2,.art .faq>h2{font-size:24px}
  .faq-item{padding:18px 18px}
}
@media (min-width:681px) and (max-width:1024px){
  .pep-filter{grid-auto-flow:row;grid-template-columns:repeat(3,1fr)}
}

/* ============ FORMS (contact) ============ */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:10px}
.contact-card{overflow-wrap:anywhere}
.contact-grid .page-body{padding:10px 0 0}
.form-card{background:var(--surface);border-radius:var(--r-md);padding:30px;display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-size:14px;font-weight:600}
.field .opt{font-weight:400;color:var(--muted)}
.field input,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px 16px;font-size:15px;background:#fff;min-height:48px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field [aria-invalid=true]{border-color:#d4553a}
.field-err{font-size:13px;color:#b3261e;font-weight:600}
.form-card .btn{justify-self:start}
.notice{border-radius:var(--r-sm);padding:14px 18px;font-size:14.5px;font-weight:600}
.notice-ok{background:var(--accent-soft);color:var(--accent-dark)}
.notice-err{background:#fdecea;color:#b3261e}
.contact-card{display:flex;gap:16px;background:var(--accent-soft);border-radius:var(--r-md);padding:24px 26px}
.contact-card h2{font-size:16px;margin-bottom:6px}
.contact-card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:6px}
.contact-card a{color:var(--accent-dark);font-weight:600;display:inline-flex;min-height:32px;align-items:center}
.chip{flex:0 0 44px;width:44px;height:44px;border-radius:14px;background:#fff;color:var(--accent-dark);display:flex;align-items:center;justify-content:center}

/* ============ UNSUBSCRIBE ============ */
.unsub{padding-top:48px}
.unsub-card{background:var(--surface);border-radius:var(--r-lg);padding:36px 36px 28px;display:grid;gap:14px;justify-items:start}
.unsub-card h1{font-size:clamp(26px,3.4vw,34px);line-height:1.2;letter-spacing:-.02em;font-weight:800}
.unsub-card .chip{background:#fff}
.unsub-form{display:grid;grid-template-columns:minmax(0,260px);width:100%}
.unsub-form .btn{width:100%}
@media (max-width:680px){.unsub{padding-top:28px}.unsub-card{padding:26px 20px 20px}.unsub-form{grid-template-columns:1fr}}

/* ============ 404 ============ */
.nf{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:center;padding:56px 0 16px}
.nf-art{position:relative;aspect-ratio:1/1;border-radius:var(--r-lg);overflow:hidden}
.nf-art svg{position:absolute;inset:0;width:100%;height:100%}
.nf-code{position:absolute;left:22px;bottom:14px;font-size:64px;font-weight:800;color:#fff;letter-spacing:-.03em;text-shadow:0 2px 20px rgba(0,0,0,.18)}
.nf h1{font-size:clamp(28px,3.6vw,40px);line-height:1.15;letter-spacing:-.02em;font-weight:800;margin-bottom:12px}
.nf .search-form{margin:22px 0 16px}

/* ============ FOOTER ============ */
.site-foot{margin-top:72px;border-top:1px solid var(--line);padding:48px 0 36px;font-size:14px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand .logo{height:28px;width:auto}
.foot-h{font-size:13px;font-weight:700;color:var(--muted);margin-bottom:10px}
.foot ul{list-style:none;display:flex;flex-direction:column;color:var(--ink-soft)}
.foot ul a{display:inline-flex;align-items:center;min-height:32px}
.foot ul a:hover{color:var(--accent-dark)}
.foot .about{color:var(--ink-soft);max-width:320px;margin-top:12px}
.nap{font-style:normal;display:grid;gap:2px;margin-top:14px;font-size:13px;color:var(--muted)}
.nap a{color:var(--ink-soft);display:inline-flex;min-height:28px;align-items:center}
.nap a:hover{color:var(--accent-dark)}
.social{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:8px;font-size:13px}
.social a{color:var(--accent-dark);font-weight:600}
.disclaimer{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px;line-height:1.7}
.legal{display:flex;flex-wrap:wrap;gap:4px 20px;margin-top:10px}
.legal a,.legal button{display:inline-flex;align-items:center;min-height:32px;color:var(--ink-soft);text-decoration:underline;text-underline-offset:3px;font-size:12.5px}

/* ============ COOKIE ============ */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;max-width:560px;margin-left:auto;background:#fff;border-radius:var(--r-md);box-shadow:0 18px 50px -12px rgba(18,32,58,.35);padding:18px 20px;display:grid;gap:14px;font-size:13.5px;color:var(--ink-soft)}
.cookie[hidden]{display:none}
.cookie a{color:var(--accent-dark);font-weight:600;text-decoration:underline}
.cookie-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* ============ RESPONSIVE ============ */
@media (max-width:1180px){
  .nav-links{gap:20px;font-size:14px}
  .nav-cta{padding:10px 16px;font-size:13.5px}
  .brand .logo{height:26px}
}
@media (max-width:1099px) and (min-width:900px){
  .nav{gap:18px}
  .nav-links{gap:14px;font-size:13px}
  .brand .logo{height:24px}
  .nav-search{display:none}
  .nav-cta{padding:9px 14px;font-size:13px;margin-left:0}
}
/* 900-999: the tightest desktop band, with Latest + Peptides + 4 topics in one row. */
@media (max-width:999px) and (min-width:900px){
  .nav{gap:14px}
  .nav-links{gap:10px}
  .brand .logo{height:22px}
  .nav-cta{padding:9px 12px;font-size:12.5px}
}
@media (max-width:1024px){
  .hero{grid-template-columns:1fr;gap:36px}
  .hero-side{display:grid;grid-template-columns:1fr 1fr;gap:22px}
  .grid3{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr 1fr}
  .newsletter{grid-template-columns:1fr;padding:40px 32px}
  .nf{grid-template-columns:240px 1fr;gap:32px}
}
@media (max-width:899px){
  .nav-links,.nav-cta,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .pcd-cta{flex-direction:column;align-items:stretch}
  /* Store card buttons carry long product labels: two equal columns on tablets, odd last spans. */
  .pcd-links{min-width:0;grid-auto-flow:row;grid-template-columns:1fr 1fr;grid-auto-rows:auto}
  .pcd-links .btn:last-child:nth-child(odd){grid-column:1/-1}
}
@media (max-width:680px){
  :root{--gutter:16px}
  .nav-outer{padding:10px 0}
  .brand .logo{height:26px}
  .hero{padding-top:28px}
  .hero-side{grid-template-columns:1fr}
  .grid2,.grid3{grid-template-columns:1fr;gap:34px}
  .cover-thumb{width:84px;flex-basis:84px}
  .cover{border-radius:var(--r-md)}
  .nl-row{grid-template-columns:1fr}
  .newsletter{padding:32px 22px;margin-top:52px}
  .newsletter h2{font-size:23px}
  .prose{font-size:15.5px}
  .art .prose{font-size:16.5px;line-height:1.7}
  .art .art-flow>h2{font-size:24px}
  .art .prose{padding-top:28px}
  .art .art-head{padding-top:28px}
  .keypoints{padding:22px 20px}
  .prose blockquote{padding:22px 20px;font-size:16.5px}
  .pcd-cta{padding:30px 22px}
  /* Phones: one full-width column. Labels such as "CJC-1295 without DAC research material" wrap to 3-4 lines in half-width buttons. */
  .pcd-links{grid-auto-flow:row;grid-template-columns:1fr;grid-auto-columns:auto}
  .tags{display:grid;grid-auto-flow:row;grid-template-columns:1fr 1fr;width:100%}
  .tags .tag:last-child:nth-child(odd){grid-column:1/-1}
  .card .tags,.hero-main .tags{width:100%}
  .foot{grid-template-columns:1fr 1fr;gap:28px 20px}
  .foot-brand{grid-column:1/-1}
  .foot ul a,.nap a,.legal a,.legal button,.count a,.text-link,.contact-card a{display:inline-flex;align-items:center;min-height:44px}
  .topic-chips .tag{min-height:44px}
  .nf{grid-template-columns:1fr;padding-top:32px}
  .nf-art{max-width:220px}
  .search-form{grid-template-columns:1fr}
  .form-card{padding:22px 18px}
  .art-head{padding-top:28px}
  .list-head{padding:28px 0 26px}
  .related{padding-top:52px}
  .contact-card{padding:20px}
}
@media (max-width:380px){
  .brand .logo{height:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}