/* how-to-use-peptides.css — dark multi-peptide dosage-chart guide.
   Externalized from the approved standalone proof; fonts come from /fonts/fonts.css,
   chrome (nav/footer/FABs) from site shell + global.min.css. Hero entrance + scroll
   reveal are unconditional CSS/JS (no inline `enhance` script, so no new CSP hash). */
:root{
  --bg:#0c090b;
  --ink:#f4eef1; --ink-2:#cabdc6; --muted:#a99ea8;
  --paper:#0c090b; --card:#171015; --card-2:#1d1620;
  --hair:rgba(255,255,255,.09); --hair-2:rgba(255,255,255,.05);
  --pink:#db266c; --pink-bright:#ff5a9e; --pink-deep:#b81f5b;
  --pink-box:#26101a; --pink-line:rgba(219,38,108,.36); --pink-label:#ff86b4;
  --panel:#09070a;
  --good:#46c47f; --good-tint:rgba(70,196,127,.15);
  --warn:#e6a552; --warn-tint:rgba(230,165,82,.15);
  --c-metabolic:#ff5a9e; --c-recovery:#1fc3ac; --c-aging:#a888ee; --c-immune:#e8974a;
  --c-growth:#5b9be8; --c-blend:#aca2bc; --c-sexual:#3fc47a; --c-hormone:#34b8d6;
  --r-card:16px; --r-box:12px;
  --sans:'Outfit','Outfit Fallback',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'DM Mono','DM Mono Fallback',ui-monospace,'SF Mono',Menlo,monospace;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 8px 22px rgba(0,0,0,.42),0 26px 48px -14px rgba(0,0,0,.55);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-weight:400;color:var(--ink-2);
  background:
    radial-gradient(1000px 560px at 88% -12%,rgba(219,38,108,.18),transparent 60%),
    radial-gradient(780px 520px at -4% 6%,rgba(219,38,108,.09),transparent 55%),
    var(--bg);
  background-attachment:fixed;
  line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-kerning:normal;font-variant-numeric:tabular-nums lining-nums;
  font-feature-settings:"kern" 1,"liga" 1,"calt" 1}
p{text-wrap:pretty}
a{color:var(--pink-bright);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:rgba(219,38,108,.4);color:#fff}

.ruo-strip{background:#080607;color:#cabdc6;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.16em;text-align:center;padding:9px 16px;text-transform:uppercase;
  border-bottom:1px solid rgba(219,38,108,.55)}
.ruo-strip b{color:#fff;font-weight:500}

.hero{position:relative;overflow:hidden;color:#fff;padding:48px 32px 40px;
  border-top:1px solid rgba(219,38,108,.6);border-bottom:1px solid rgba(219,38,108,.24);
  background:
    radial-gradient(1180px 460px at 86% -30%,rgba(219,38,108,.55),transparent 60%),
    radial-gradient(760px 340px at 2% 132%,rgba(219,38,108,.17),transparent 60%),
    linear-gradient(157deg,#0b0a0d 0%,#151016 50%,#20111b 100%)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(120% 100% at 80% 0,#000,transparent 72%);
  mask-image:radial-gradient(120% 100% at 80% 0,#000,transparent 72%)}
.hero-wrap{position:relative;max-width:1120px;margin:0 auto}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;
  font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:#fff;
  background:linear-gradient(180deg,#e83a7d,var(--pink));
  padding:6px 14px 6px 12px;border-radius:999px;margin-bottom:22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 2px 14px rgba(219,38,108,.5)}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,.28)}
.hero h1{font-size:clamp(31px,4.5vw,48px);line-height:1.03;margin:0 0 15px;font-weight:700;
  letter-spacing:-.026em;text-wrap:balance}
.hero h1 span{color:#ff5a9e}
.hero p{max-width:740px;margin:0;color:#cdc7ce;font-size:15.5px;line-height:1.62}
.hero-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px;
  font-family:var(--mono);font-size:11.5px;color:#b3adb8;letter-spacing:.01em}
.hero-meta span{padding:6px 13px;border-radius:8px;
  border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05)}
.hero-meta b{color:#fff;font-weight:500}

.guide-container{max-width:1120px;margin:0 auto;padding:30px 24px 8px}

.legend{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;background:var(--card);
  border:1px solid var(--hair);border-radius:14px;padding:15px 22px;margin-bottom:22px;
  box-shadow:var(--shadow)}
.legend .lg{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11px;
  letter-spacing:.02em;color:var(--ink-2)}
.dot{width:11px;height:11px;border-radius:3.5px;display:inline-block;flex:none;
  box-shadow:0 0 0 1px rgba(255,255,255,.16),0 1px 3px rgba(0,0,0,.55)}
.legend .sep{flex:1 1 auto}
.legend .note{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.01em}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(342px,1fr));gap:18px}

.card{position:relative;background:var(--card);
  background-image:linear-gradient(180deg,color-mix(in srgb,var(--cat) 13%,transparent),transparent 172px);
  border:1px solid var(--hair);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:linear-gradient(90deg,var(--cat,#999),color-mix(in srgb,var(--cat,#999) 55%,#fff))}
.card-head{position:relative;padding:18px 22px 0}
.card-titles{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.card h3{font-size:20px;margin:0;font-weight:640;letter-spacing:-.015em;color:var(--ink);
  line-height:1.16;text-wrap:balance}
.card .alias{font-size:12.5px;color:var(--ink-2);margin:6px 0 0;line-height:1.45;max-width:34ch}
.cat-badge{flex:none;font-family:var(--mono);font-size:9.5px;font-weight:500;letter-spacing:.08em;
  text-transform:uppercase;white-space:nowrap;padding:5px 10px;border-radius:999px;
  color:var(--cat,#c9c0c6);
  background:color-mix(in srgb,var(--cat,#999) 15%,var(--card));
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--cat,#999) 42%,transparent)}

.sku{position:relative;margin:13px 22px 0;display:flex;align-items:center;gap:11px;flex-wrap:wrap;
  background:linear-gradient(180deg,#120c11,var(--panel));border:1px solid rgba(255,255,255,.06);
  border-radius:10px;padding:9px 14px;box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.sku .lbl{font-family:var(--mono);font-size:8.5px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:#a096a0;padding-right:11px;
  border-right:1px solid rgba(255,255,255,.14)}
.sku .val{font-family:var(--mono);font-size:12px;font-weight:500;color:#f2ecef;letter-spacing:.01em}

.use{position:relative;margin:12px 22px 0;overflow:hidden;
  background:linear-gradient(180deg,#2e1322,var(--pink-box));
  border:1px solid var(--pink-line);border-radius:var(--r-box);padding:12px 16px 12px 21px}
.use::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--pink-bright)}
.use .ul{font-family:var(--mono);font-size:9.5px;font-weight:500;letter-spacing:.12em;
  text-transform:uppercase;color:var(--pink-label);margin:0 0 9px}
.use .row{display:flex;gap:14px;align-items:baseline;margin-bottom:5px}
.use .k{flex:none;width:48px;font-family:var(--mono);font-size:9px;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;color:#b6a0ac;transform:translateY(-1px)}
.use .v{font-size:15px;font-weight:600;color:var(--ink);line-height:1.3}
.use .row:first-of-type .v{font-size:16.5px;font-weight:680;color:var(--ink);
  letter-spacing:-.01em}
.use .note{font-size:11.5px;color:var(--ink-2);margin:10px 0 0;padding-top:9px;
  border-top:1px solid var(--pink-line);line-height:1.5}

.pc{display:grid;grid-template-columns:1fr 1fr;margin-top:14px;border-top:1px solid var(--hair)}
.pc .col{padding:14px 18px 15px}
.pc .col.pros{border-right:1px solid var(--hair)}
.pc h4{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:9.5px;
  font-weight:500;letter-spacing:.11em;text-transform:uppercase;margin:0 0 10px}
.pc h4::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
.pc .pros h4{color:var(--good)}
.pc .cons h4{color:var(--warn)}
.pc ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:7px}
.pc li{font-size:12px;color:var(--ink-2);padding-left:23px;position:relative;line-height:1.38}
.pc li::before{content:"";position:absolute;left:0;top:.5px;width:15px;height:15px;border-radius:50%;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.07)}
.pc .pros li::before{background:var(--good-tint)}
.pc .cons li::before{background:var(--warn-tint)}
.pc .pros li::after{content:"";position:absolute;left:5px;top:4px;width:3.5px;height:6.5px;
  border-right:1.9px solid var(--good);border-bottom:1.9px solid var(--good);transform:rotate(42deg)}
.pc .cons li::after{content:"!";position:absolute;left:0;top:.5px;width:15px;height:15px;
  line-height:15px;text-align:center;color:var(--warn);font-weight:700;font-size:10.5px}

.status{padding:0 22px 17px;margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px 12px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;font-family:var(--mono);font-size:10px;
  font-weight:500;letter-spacing:.03em;padding:6px 13px;border-radius:999px;
  border:1px solid var(--hair);color:var(--muted);background:#1c141b}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;
  margin-right:8px;box-shadow:0 0 0 3px color-mix(in srgb,currentColor 20%,transparent)}
.chip.ok{background:rgba(70,196,127,.14);border-color:rgba(70,196,127,.36);color:#5fd191}
.chip.exp{background:rgba(230,165,82,.14);border-color:rgba(230,165,82,.34);color:#eab266}

.guide-notes{max-width:1120px;margin:18px auto 0;padding:0 0 8px;color:var(--muted);font-size:12px}
.guide-notes .box{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--hair);
  border-radius:14px;padding:24px 26px;box-shadow:var(--shadow)}
.guide-notes .box::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--pink-bright),color-mix(in srgb,var(--pink) 55%,transparent))}
.guide-notes h4{margin:0 0 12px;color:var(--ink);font-family:var(--mono);font-size:10.5px;
  font-weight:500;letter-spacing:.1em;text-transform:uppercase}
.guide-notes p{margin:0 0 11px;line-height:1.62;color:var(--ink-2)}
.guide-notes b{color:#fff;font-weight:600}

/* ── Per-card product CTA ──────────────────────────────────────────────── */
.card-cta{flex:none;display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--pink-bright);text-decoration:none;padding:7px 13px;border-radius:999px;border:1px solid color-mix(in srgb,var(--pink-bright) 32%,transparent);background:color-mix(in srgb,var(--pink-bright) 9%,transparent);transition:background .15s,border-color .15s}
.card-cta .ar{font-size:13px;transition:transform .15s}
.card-cta:hover{background:color-mix(in srgb,var(--pink-bright) 17%,transparent);border-color:var(--pink-bright)}
.card-cta:hover .ar{transform:translateX(3px)}
.card-cta:focus-visible{outline:2px solid var(--pink-bright);outline-offset:2px}

/* ── Filter toolbar: category chips + search (mirrors /products/ pattern) ── */
.guide-toolbar{display:flex;flex-wrap:wrap;gap:14px 18px;align-items:center;justify-content:space-between;margin-bottom:14px}
.guide-filters{display:flex;flex-wrap:wrap;gap:8px}
.guide-filters button{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.04em;color:var(--ink-2);background:var(--card);border:1px solid var(--hair);border-radius:999px;padding:8px 15px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.guide-filters button:hover{border-color:var(--pink-line);color:var(--ink)}
.guide-filters button[aria-pressed="true"]{background:linear-gradient(180deg,#e83a7d,var(--pink));border-color:transparent;color:#fff;box-shadow:0 2px 12px rgba(219,38,108,.4)}
.guide-filters button:focus-visible{outline:2px solid var(--pink-bright);outline-offset:2px}
.guide-search{position:relative;display:flex;align-items:center;flex:1 1 240px;max-width:340px;min-width:190px}
.guide-search__icon{position:absolute;left:14px;width:17px;height:17px;color:var(--muted);pointer-events:none}
.guide-search input{width:100%;font-family:var(--sans);font-size:14px;color:var(--ink);background:var(--card);border:1px solid var(--hair);border-radius:10px;padding:11px 38px 11px 40px;transition:border-color .15s,box-shadow .15s}
.guide-search input::placeholder{color:var(--muted)}
.guide-search input:focus{outline:none;border-color:var(--pink-line);box-shadow:0 0 0 3px rgba(219,38,108,.16)}
.guide-search input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
.guide-search__clear{position:absolute;right:8px;display:flex;align-items:center;justify-content:center;width:26px;height:26px;border:0;border-radius:50%;background:transparent;color:var(--muted);cursor:pointer;transition:background .15s,color .15s}
.guide-search__clear:hover{color:var(--ink);background:rgba(255,255,255,.06)}
.guide-search__clear[hidden]{display:none}
.guide-results{font-family:var(--mono);font-size:11px;letter-spacing:.02em;color:var(--muted);margin:0 0 18px;min-height:1em}

/* ── Category groups ─────────────────────────────────────────────────────── */
.cat-group{margin-bottom:30px}
.cat-group[hidden]{display:none}
.cat-group-head{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:600;letter-spacing:-.01em;color:var(--ink);margin:0 0 15px;padding-bottom:11px;border-bottom:1px solid var(--hair);text-wrap:balance}
.cat-dot{width:11px;height:11px;border-radius:3.5px;flex:none;box-shadow:0 0 0 1px rgba(255,255,255,.16),0 1px 3px rgba(0,0,0,.55)}
.cat-group-count{font-family:var(--mono);font-size:10.5px;font-weight:500;color:var(--muted);padding:2px 9px;border-radius:999px;background:#1c141b;border:1px solid var(--hair)}
.card[hidden]{display:none}

@media(max-width:520px){
  .guide-toolbar{gap:12px}
  .guide-search{max-width:100%;flex-basis:100%;order:-1}
  .guide-filters{gap:7px}
  .guide-filters button{padding:7px 13px;font-size:10.5px}
}

/* ── FAQ (answer-engine block) ─────────────────────────────────────────── */
.faq{max-width:820px;margin:8px auto 4px;padding:0 2px}
.faq-head{margin:32px 0 6px}
.faq-eyebrow{font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--pink-label)}
.faq h2{font-size:23px;font-weight:640;letter-spacing:-.015em;color:var(--ink);margin:8px 0 0;line-height:1.15;text-wrap:balance}
.faq-list{margin-top:16px;border-top:1px solid var(--hair)}
.faq-item{padding:17px 2px 18px;border-bottom:1px solid var(--hair)}
.faq-q{display:flex;gap:12px;align-items:baseline;font-size:15px;font-weight:640;color:var(--ink);margin:0 0 8px;letter-spacing:-.005em;line-height:1.35;text-wrap:balance}
.faq-q::before{content:"Q";flex:none;font-family:var(--mono);font-size:11px;font-weight:500;color:var(--pink-bright)}
.faq-a{margin:0;padding-left:23px;font-size:13.5px;line-height:1.62;color:var(--ink-2);text-wrap:pretty}
.faq-a a{color:var(--pink-bright);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--pink-bright) 42%,transparent)}
.faq-a a:hover{border-bottom-color:var(--pink-bright)}

/* ── Motion layer — unconditional entrance + scroll reveal (JS adds .m-reveal); transform+opacity only, zero CLS ── */
:root{--m-ease:cubic-bezier(.22,1,.36,1);--m-d:640ms}
#heroParticles{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero::before{z-index:0}
.hero-wrap{z-index:2}
.kicker{animation:g-rise var(--m-d) var(--m-ease) backwards;animation-delay:.08s}
.hero h1{animation:g-slide var(--m-d) var(--m-ease) backwards;animation-delay:.16s}
.hero p{animation:g-slide var(--m-d) var(--m-ease) backwards;animation-delay:.30s}
.hero-meta{animation:g-rise var(--m-d) var(--m-ease) backwards;animation-delay:.42s}
@keyframes g-rise{from{opacity:0;transform:translateY(14px)}}
@keyframes g-slide{from{transform:translateY(16px)}}
.m-reveal:not(.is-in){opacity:0}
.m-reveal.is-in{animation:g-rev var(--m-d) var(--m-ease) backwards}
@keyframes g-rev{from{opacity:0;transform:translateY(22px)}}
@media(max-width:600px){
  @keyframes g-rise{from{opacity:0;transform:translateY(8px)}}
  @keyframes g-slide{from{transform:translateY(10px)}}
  @keyframes g-rev{from{opacity:0;transform:translateY(12px)}}
}
@media(prefers-reduced-motion:reduce){
  .kicker,.hero h1,.hero p,.hero-meta,
  .m-reveal{animation:none!important;opacity:1!important;transform:none!important}
}

@media(hover:hover){.card:hover{transform:translateY(-3px);
  box-shadow:0 3px 8px rgba(0,0,0,.5),0 16px 32px rgba(0,0,0,.5),0 30px 60px -12px rgba(219,38,108,.22)}}
@media(prefers-reduced-motion:reduce){.card{transition:none}.card:hover{transform:none}}

@media print{
  .ruo-strip,.hero,.kicker,.kicker::before,.sku,.card,.card::before,.use,.use::before,
  .cat-badge,.chip,.chip::before,.pc h4::before,.pc li::before,.pc li::after,.dot,.legend,
  .hero-meta span,.guide-notes .box,.guide-notes .box::before,body{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .hero::before,#heroParticles{display:none}
  .m-reveal,.kicker,.hero h1,.hero p,.hero-meta{animation:none!important;opacity:1!important;transform:none!important}
  .card,.legend,.guide-notes .box{break-inside:avoid;page-break-inside:avoid}
  .card{transition:none}
  a{color:var(--pink-bright)}
}
@media(max-width:520px){
  .pc{grid-template-columns:1fr}
  .pc .col.pros{border-right:none;border-bottom:1px solid var(--hair)}
  .hero{padding:40px 20px 32px}
  .guide-container{padding:26px 16px 8px}
  .hero h1{font-size:clamp(26px,7.4vw,38px);text-wrap:pretty}
}