/* Alphagenics · ficha técnica de producto (compartida por /pa/peptidos/*)
   Escala tipográfica: base 17px en las hojas claras, nada informativo por debajo de 13px,
   texto largo limitado a ~68ch. Colores de texto verificados contra WCAG AA. */
:root{
  --ink:#040C24;--deep:#081A4A;--deep-2:#0D2766;--teal:#FF6B7D;--teal-2:#CE1126;--teal-3:#082E7E;
  --teal-ink:#0B3A9E; /* teal para texto sobre fondo claro (4.8:1) */
  --mist:#a6afc4;--line:rgba(255,107,125,.3);--paper:#F6F7FB;--text:#0A1433;--body:#222d43;--muted:#4A5576;--border:#DEE2EE;
  --vial-bg:#ebe8ec;--nav-h:78px;--measure:68ch;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px)}
body{font-family:Sora,system-ui,sans-serif;font-size:1rem;background:var(--ink);color:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.mono{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;font-size:.94em;letter-spacing:-.01em}
.eyebrow{font-size:.95rem;font-weight:500;color:var(--teal)}
h2{font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.15;font-weight:700;letter-spacing:-.02em}
h2 span{color:var(--teal)}
.sheet h2 span{color:var(--teal-ink)}
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.9rem 1.5rem;border-radius:999px;font-weight:600;font-size:1rem;transition:transform .2s,background .2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--teal-2));color:#fff;box-shadow:0 10px 30px -10px rgba(255,107,125,.6)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line);color:#fff}
.btn-ghost:hover{background:rgba(255,107,125,.1)}
.ext{border-bottom:1px solid currentColor}
.ext:hover{color:var(--teal-2)}

/* logo */
.ag-logo{display:block;height:var(--lh,52px);width:auto;aspect-ratio:592.1/168;flex:none;margin-left:calc(var(--lh,52px) * -24 / 168)}
.on-dark{--logo-word:#fff;--logo-pty:#FF6B7D;--logo-tag:#BAC4DE}

/* nav */
body>header{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(4,12,36,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:var(--nav-h)}
.nav .btn{padding:.65rem 1.2rem;font-size:.9rem}
.crumbs{display:flex;align-items:center;gap:.55rem;font-size:.9rem;color:#b3bbd0;min-width:0}
.crumbs a:hover{color:var(--teal)}
.crumbs i{font-style:normal;opacity:.6}
.crumbs span{color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:960px){.crumbs{display:none}}
@media (max-width:480px){.nav .ag-logo{--lh:44px}.nav .btn{padding:.55rem .9rem;font-size:.82rem}}

/* hero */
.p-hero{position:relative;overflow:hidden;padding:calc(var(--nav-h) + 48px) 0 72px;background:radial-gradient(ellipse at 25% 45%,#143488 0%,var(--deep) 42%,var(--ink) 100%)}
.p-mol{position:absolute;right:-8%;top:0;bottom:0;width:60%;opacity:.4;pointer-events:none}
.mol3d{position:absolute;inset:0;width:100%;height:100%;display:block}
.p-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.p-vial{position:relative;aspect-ratio:1/1.1;display:grid;place-items:center}
.p-vial .ring{position:absolute;inset:0;margin:auto;border:1px solid rgba(255,107,125,.2);border-radius:50%;width:100%;aspect-ratio:1;height:auto}
.p-vial .ring+.ring{width:72%;animation-duration:20s;animation-direction:reverse}
.p-vial .ring::after{content:"";position:absolute;top:-4px;left:50%;width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 14px var(--teal)}
.p-vial img{position:relative;width:78%;border-radius:22px;background:var(--vial-bg);box-shadow:0 40px 70px -30px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.06)}
@keyframes spin{to{rotate:360deg}}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -14px}}
.back{display:inline-flex;align-items:center;gap:.5rem;font-size:.9rem;font-weight:600;color:#f3e6ea;margin-bottom:1rem;padding:.35rem .85rem .35rem .6rem;border-radius:999px;background:color-mix(in srgb,var(--hue,#FF6B7D) 22%,transparent);border:1px solid color-mix(in srgb,var(--hue,#FF6B7D) 55%,transparent)}
.back i{width:8px;height:8px;border-radius:50%;background:var(--hue,var(--teal));box-shadow:0 0 0 3px color-mix(in srgb,var(--hue,#FF6B7D) 30%,transparent)}
.back:hover{background:color-mix(in srgb,var(--hue,#FF6B7D) 34%,transparent)}
.p-head h1{font-size:clamp(2.4rem,5.2vw,4rem);line-height:1.02;font-weight:700;letter-spacing:-.03em;margin:.35rem 0 .6rem}
.aka{font-size:1rem;color:var(--mist)}
.klass{font-size:1.2rem;line-height:1.5;font-weight:400;color:#f1e2e6;margin:1rem 0 1.6rem;max-width:34rem}
.kfacts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;max-width:580px;margin-bottom:1.6rem}
.kf{border:1px solid var(--line);border-radius:14px;padding:.85rem 1rem;background:rgba(4,12,36,.55)}
.kf span{display:block;font-size:.85rem;color:var(--mist)}
.kf b{display:block;font-size:1.15rem;color:var(--teal);font-weight:700;line-height:1.3;margin-top:.15rem;overflow-wrap:anywhere}
.kf small{font-size:.85rem;color:var(--mist);font-weight:400}
.pres{font-size:.9rem;font-weight:500;color:var(--mist);margin-bottom:.5rem}
.sizes{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.9rem}
.sizes span,.sizes .sz{font-size:.95rem;font-weight:700;padding:.4rem .9rem;border-radius:8px;border:1.5px solid var(--line);color:#fff}
.sizes .sz{background:transparent;font-family:inherit;cursor:pointer;min-height:44px;min-width:64px}
.sizes .sz.on{background:var(--teal);border-color:var(--teal);color:#0d2767}
.ctas{display:flex;flex-wrap:wrap;gap:.7rem}
@media (max-width:820px){
  .p-hero{padding:calc(var(--nav-h) + 24px) 0 56px}
  .p-grid{grid-template-columns:1fr;gap:1.2rem}.p-vial{max-width:220px;margin-inline:auto}
  .p-mol{width:100%;right:0;opacity:.14}.kfacts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kf:last-child:nth-child(odd){grid-column:1/-1}
}

/* sheet (light) */
.sheet{background:var(--paper);color:var(--text);font-size:1.0625rem}
.block{padding:clamp(56px,8vw,104px) 0}
.block+.block{border-top:1px solid #e9dde3}
.block h2{margin-bottom:1.4rem}
.two{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(2rem,5vw,5rem);align-items:start}
@media (max-width:900px){.two{grid-template-columns:1fr}}
.intro-txt{max-width:var(--measure)}
.intro-txt p{color:var(--body);line-height:1.75}
.intro-txt .lede{font-size:1.25rem;line-height:1.55;color:var(--text);font-weight:500;margin-bottom:1.1rem}
.note{font-size:1rem;line-height:1.65;color:var(--muted);max-width:var(--measure)}
.card-spec{background:#fff;border:1px solid #ebdce0;border-radius:18px;padding:1.5rem 1.6rem;box-shadow:0 24px 48px -32px rgba(34, 80, 181,.45);position:sticky;top:calc(var(--nav-h) + 20px)}
.card-spec h3{font-size:1.25rem;font-weight:700;color:var(--deep);letter-spacing:-.01em;margin-bottom:.4rem}
.card-spec h4{font-size:.95rem;font-weight:600;color:var(--teal-ink);margin:1.3rem 0 .1rem}
.card-spec h4:first-of-type{margin-top:.6rem}
.specs{display:grid}
.spec{display:grid;grid-template-columns:minmax(120px,42%) 1fr;gap:1rem;padding:.7rem 0;border-bottom:1px solid #e6efef;font-size:1rem;line-height:1.45}
.spec:last-child{border-bottom:0}
.spec dt{color:var(--muted);font-weight:400}
.spec dd{color:var(--deep);font-weight:600;overflow-wrap:anywhere}
.spec sub{font-size:.75em}
@media (max-width:420px){.spec{grid-template-columns:1fr;gap:.1rem}.card-spec{padding:1.25rem 1.15rem}}
@media (max-width:900px){.card-spec{position:static}}

/* estructura */
.struct{display:grid;gap:1.5rem}
.struct.has-2d{grid-template-columns:1.1fr 1fr;align-items:start}
@media (max-width:900px){.struct.has-2d{grid-template-columns:1fr}}
.draw{background:#fff;border:1px solid #ebdce0;border-radius:18px;padding:1rem;position:relative;overflow:hidden}
.draw::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(34, 80, 181,.09) 1px,transparent 1.4px);background-size:18px 18px;pointer-events:none}
.draw canvas,.comp canvas{position:relative;width:100%!important;height:auto!important;display:block;cursor:zoom-in}
.struct.big .draw{padding:1.2rem}
.struct.big .seqbox{max-width:none}
.smi-zoom{position:fixed;inset:0;z-index:300;background:rgba(4,16,25,.88);backdrop-filter:blur(4px);overflow:auto;display:grid;place-items:center;padding:56px 16px 24px;cursor:zoom-out}
.smi-zoom img{background:#fff;border-radius:14px;max-width:none;width:min(1600px,220vw);height:auto;box-shadow:0 30px 80px -20px rgba(0,0,0,.7);cursor:default}
.smi-x{position:fixed;top:14px;right:14px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(4,12,36,.9);color:#fff;font-size:1.6rem;line-height:1;cursor:pointer}
.draw figcaption{position:relative;font-size:.875rem;color:var(--muted);text-align:center;margin-top:.5rem}
.seqbox{background:#fff;border:1px solid #ebdce0;border-radius:18px;padding:1.5rem}
.seqbox h3{font-size:1.1rem;font-weight:700;color:var(--deep);margin-bottom:1rem}
.chain{display:flex;flex-wrap:wrap;gap:.3rem}
.aa{position:relative;display:grid;place-items:center;min-width:2.4rem;height:2.4rem;padding:0 .35rem;border-radius:50%;background:linear-gradient(145deg,#5B88F0,#082E7E);color:#fff;font-family:"JetBrains Mono",monospace;font-size:.9rem;box-shadow:inset 0 -3px 6px rgba(0,0,0,.18),0 4px 10px -6px rgba(34, 80, 181,.8)}
.aa b{font-weight:500}
.aa i{position:absolute;bottom:-1.2rem;font-style:normal;font-size:.72rem;color:var(--muted)}
.chain:has(.aa i){row-gap:1.5rem;padding-bottom:1.1rem}
.aa.long{border-radius:999px;font-size:.82rem;padding:0 .65rem}
.aa:not(:last-child)::after{content:"";position:absolute;right:-.34rem;top:50%;width:.38rem;height:2px;background:#9ca9c9}
.aa-end{align-self:center;font-family:"JetBrains Mono",monospace;font-size:.9rem;color:var(--teal-3);margin-left:.3rem}
.seq-text{font-size:.92rem;line-height:1.7;color:var(--deep);background:#f4f9f9;border:1px dashed #cfd4e2;border-radius:10px;padding:.9rem 1rem;overflow-wrap:anywhere}
.seqbox .note{margin-top:1.2rem;font-size:.95rem}

/* componentes (mezclas) */
.comps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:1.2rem;margin-top:1.8rem}
.comp{background:#fff;border:1px solid #ebdce0;border-radius:18px;padding:1.4rem;display:grid;grid-template-rows:auto auto auto 1fr;gap:1rem}
@supports (grid-template-rows:subgrid){.comps .comp{grid-row:span 4;grid-template-rows:subgrid}}
.comp .mol{aspect-ratio:3/2;position:relative;overflow:hidden}
.comp .mol canvas{position:absolute!important;inset:4%;width:92%!important;height:92%!important;max-height:none!important;object-fit:contain}
.comp-seq{align-self:start}
.comp header{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-bottom:.7rem;border-bottom:2px solid var(--teal-3)}
.comp h3{font-size:1.2rem;color:var(--deep)}
.amt{font-weight:700;font-size:.95rem;color:#fff;background:var(--teal-3);padding:.25rem .75rem;border-radius:8px;white-space:nowrap}
.specs.mini .spec{font-size:.95rem;padding:.5rem 0}

/* hallazgos */
.findings-block{background:linear-gradient(180deg,var(--paper),#e8f1f1)}
.f-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(2rem,4.5vw,4rem);align-items:start}
.f-grid:has(.f-photo){grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}
.f-main{max-width:820px}
.f-photo{position:sticky;top:calc(var(--nav-h) + 24px);margin:0;border-radius:24px;overflow:hidden;aspect-ratio:4/5;background:linear-gradient(160deg,#efdcdf,#c6cee2);box-shadow:0 40px 70px -40px rgba(4,12,36,.5)}
.f-photo img{width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.f-grid:has(.f-photo){grid-template-columns:1fr}.f-photo{position:relative;top:0;aspect-ratio:16/10;max-height:320px}}
.findings{list-style:none;display:grid;gap:1rem;margin-top:2rem}
.finding{background:#fff;border:1px solid #ebdce0;border-left:4px solid var(--teal-2);border-radius:14px;padding:1.4rem 1.6rem}
.finding p{font-size:1.125rem;line-height:1.6;color:var(--text);margin:.6rem 0 .75rem}
.finding cite{display:block;font-style:normal;font-size:.9rem;line-height:1.5;color:var(--muted)}
.finding cite a{color:var(--teal-3)}
.lv{display:inline-block;font-size:.85rem;font-weight:600;padding:.2rem .65rem;border-radius:6px}
.lv-c{background:#f5d9e0;color:#1947ac}
.lv-p{background:#e4eefc;color:#1c3f78}
.lv-v{background:#f1e9fb;color:#4b2a78}
.lv-r{background:#fbefdc;color:#6b4209}
.lv-rv{background:#e9eef0;color:#343b4b}
@media (max-width:520px){.finding{padding:1.15rem 1.1rem}.finding p{font-size:1.0625rem}.intro-txt .lede{font-size:1.125rem}}

/* prev/next + relacionados */
.related{padding-top:56px}
.pnav{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.pn{background:#fff;border:1px solid #ebdce0;border-radius:14px;padding:1rem 1.2rem;transition:border-color .2s}
.pn:hover{border-color:var(--teal-2)}
.pn small{display:block;font-size:.875rem;color:var(--muted)}
.pn b{color:var(--deep)}
.pn.next{text-align:right}
.rel-t{font-size:1.25rem;font-weight:700;color:var(--deep);margin:2.6rem 0 1rem}
.rels{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}
.rel{background:#fff;border:1px solid #ebdce0;border-radius:14px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.rel:hover{transform:translateY(-4px);box-shadow:0 18px 36px -24px rgba(34, 80, 181,.6)}
.rel img{width:100%;aspect-ratio:240/307;object-fit:contain;background:var(--vial-bg)}
.rel span{display:block;padding:.65rem .85rem;font-weight:600;font-size:1rem;color:var(--deep)}

/* footer */
footer{background:var(--ink);padding:2.2rem 0 2.4rem;border-top:1px solid rgba(255,255,255,.06)}
.foot-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.1rem}
footer .ag-logo{--lh:44px;--logo-word:#fff;--logo-pty:#FF6B7D;--logo-tag:#BAC4DE}
.legal{font-size:.84rem;line-height:1.7;color:#BAC4DE;max-width:95ch}
.legal p+p{margin-top:.7rem}
.foot-meta{font-size:.875rem;color:#BAC4DE}

/* entrada */
.rv{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .9s cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--i,0) * 70ms)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.p-vial img,.p-vial .ring{animation:none}.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---- guía rápida · 5 puntos clave (2026-10-08) ---- */
.guide-block{background:#fff}
.g-head{display:flex;justify-content:space-between;align-items:flex-end;gap:1.5rem;flex-wrap:wrap}
.g-head h2{margin-bottom:.8rem}
.g-kicker{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-ink);font-weight:600;margin-bottom:.6rem}
.btn-dl{background:var(--ink);color:#fff;flex-shrink:0}
.btn-dl:hover{transform:translateY(-2px);background:var(--deep-2)}
.g-dls{display:grid;grid-template-columns:auto auto;gap:.6rem;align-items:stretch}
.btn-sub{background:#fff;color:var(--ink);border:1px solid var(--border)}.btn-sub:hover{background:var(--paper)}
.btn-proto{background:var(--teal-ink,#0B3A9E)}
.g-pts{list-style:none;display:grid;gap:1rem;margin-top:2rem}
.g-pt{display:grid;grid-template-columns:auto 1fr 12rem;gap:1.4rem;align-items:start;border:1px solid var(--border);border-radius:16px;padding:1.4rem 1.6rem;background:#fff}
.g-num{width:3rem;height:3rem;border-radius:12px;background:linear-gradient(135deg,var(--teal),var(--teal-2) 50%,var(--teal-3));color:#fff;font-weight:700;font-size:1.35rem;display:grid;place-items:center}
.g-body h3{font-size:1.2rem;line-height:1.3;color:var(--ink);margin:.15rem 0 .45rem}
.g-body p{font-size:1.0625rem;line-height:1.6;color:var(--body)}
.g-body strong{color:var(--ink);font-weight:600}
.g-body sup{font-size:.7em;font-weight:700;margin-left:2px}
.g-body sup a{color:var(--teal-ink)}
.g-cmp{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin-top:.9rem}
.g-cmp div{border-radius:10px;padding:.7rem .9rem;font-size:.92rem;line-height:1.5}
.g-cmp .a{background:var(--paper);color:var(--muted)}
.g-cmp .b{background:#f8f2f6;color:var(--ink)}
.g-cmp b{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.2rem}
.g-cmp .b b{color:var(--teal-ink)}
.g-stat{border-left:2px solid var(--teal);padding:.2rem 0 .2rem 1rem;align-self:center}
.g-stat big{display:block;font-size:1.7rem;font-weight:700;color:var(--teal-ink);line-height:1.1}
.g-stat small{display:block;font-size:.85rem;line-height:1.4;color:var(--muted);margin-top:.3rem}
.g-refs{margin-top:1.6rem;background:var(--paper);border-radius:14px;padding:1.1rem 1.4rem}
.g-refs summary{cursor:pointer;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-ink);font-weight:600}
.g-refs ol{margin:.8rem 0 0 1.2rem;font-size:.9rem;line-height:1.55;color:var(--muted);display:grid;gap:.3rem}
.g-refs a{color:var(--teal-3);font-weight:600;white-space:nowrap}
.g-refs li:target{background:#f8f2f6;border-radius:6px}
@media (max-width:760px){.g-pt{grid-template-columns:auto 1fr;padding:1.15rem 1.1rem}.g-stat{grid-column:2}.g-cmp{grid-template-columns:1fr}}
.g-body,.g-head>div{min-width:0;overflow-wrap:anywhere}.g-refs li{overflow-wrap:anywhere}
.g-dls .btn svg{flex:none}
@media (max-width:600px){.g-dls{width:100%;grid-template-columns:1fr 1fr}
 .g-dls .btn{max-width:100%;min-height:50px;justify-content:center;text-align:center;padding:.75rem 1rem;font-size:.95rem}
 .g-dls .btn:not(.btn-sub){grid-column:1/-1}
 .g-dls .btn-sub{order:2;font-size:.88rem;padding:.7rem .6rem;white-space:normal}}

/* certificados de análisis (COA) en el hero: abrir (pestaña nueva) + descargar por presentación */
.p-head .coa{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.9rem}
.p-head .coa span{display:inline-flex;border:1.5px solid var(--teal,#FF6B7D);border-radius:8px;overflow:hidden}
.p-head .coa a{display:inline-flex;align-items:center;gap:.35rem;color:#fff;font-weight:700;font-size:.95rem;padding:.4rem .8rem;min-height:44px;text-decoration:none}
.p-head .coa a+a{border-left:1.5px solid var(--teal,#FF6B7D);padding:.4rem .65rem}
.p-head .coa a:hover{background:var(--teal,#FF6B7D);color:#06112d}