/* Memoria MasterMeat 2026 — hojeador de la revista */

@font-face{font-family:"Archivo";src:url(../assets/fonts/archivo.woff2) format("woff2");font-weight:400 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url(../assets/fonts/serif-italic.woff2) format("woff2");font-weight:400 600;font-style:italic;font-display:swap}

:root{
  --ink:#151211;
  --ink-2:#221d1b;
  --ink-3:#332c29;
  --gold:#ffc532;
  --gold-2:#f4a91a;
  --txt:#f3ede4;
  --muted:#a99f95;
  --line:rgba(255,255,255,.1);
  --display:"Archivo",system-ui,sans-serif;
  --serif:"Source Serif 4",Georgia,serif;
  --top:58px;
  --bottom:66px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--ink);color:var(--txt);font-family:var(--display);overflow:hidden;-webkit-tap-highlight-color:transparent}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
a{color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
svg{width:20px;height:20px;flex:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:54px;padding:0 28px;border-radius:999px;font-weight:800;font-size:15px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none}
.btn--gold{background:var(--gold);color:var(--ink);box-shadow:0 10px 30px -10px rgba(255,197,50,.6)}
.btn--gold:hover{background:#ffd35e}
.btn--gold svg{transition:transform .2s}
.btn--gold:hover svg{transform:translateX(4px)}

/* ---------- portada de entrada ---------- */
.intro{position:fixed;inset:0;z-index:30;overflow:auto;display:flex;flex-direction:column;background:#0d0b0b;transition:opacity .35s,transform .35s}
.intro.leaving{opacity:0;transform:scale(1.03)}
.intro__glow{position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(60% 50% at 30% 45%,rgba(255,197,50,.16),transparent 70%),
  radial-gradient(40% 40% at 85% 90%,rgba(244,169,26,.08),transparent 70%)}
.intro__in{position:relative;flex:1;display:grid;align-items:center;justify-items:center;gap:clamp(24px,5vw,72px);padding:clamp(28px,6vh,70px) 20px 20px;max-width:1180px;margin:0 auto;width:100%}
@media (min-width:860px){.intro__in{grid-template-columns:auto 1fr;justify-items:start}}
.intro__book{position:relative;width:min(360px,58vw,calc(40svh * 0.714));animation:bookIn 1.1s cubic-bezier(.2,.7,.2,1) both}
.intro__book img{width:100%;height:auto;border-radius:2px 6px 6px 2px;transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s;
  box-shadow:0 0 0 1px rgba(255,255,255,.06),14px 24px 50px -12px rgba(0,0,0,.9),0 0 80px -20px rgba(255,197,50,.25)}
.intro__book::before{content:"";position:absolute;left:0;top:0;bottom:0;width:12px;z-index:1;border-radius:2px 0 0 2px;background:linear-gradient(90deg,rgba(0,0,0,.45),rgba(255,255,255,.12) 45%,transparent);pointer-events:none}
.intro__book:hover img{transform:translateY(-6px);box-shadow:0 0 0 1px rgba(255,197,50,.4),14px 34px 60px -12px rgba(0,0,0,.9),0 0 90px -20px rgba(255,197,50,.35)}
@keyframes bookIn{from{opacity:0;transform:translateY(30px) rotate(-3deg)}to{opacity:1;transform:none}}
.intro__txt{max-width:520px;text-align:center;animation:txtIn .9s .25s cubic-bezier(.2,.7,.2,1) both}
@media (min-width:860px){.intro__txt{text-align:left}}
@keyframes txtIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.intro__kicker{margin:0;color:var(--gold);font-weight:700;font-size:12px;letter-spacing:.32em;text-transform:uppercase}
.intro__logo{width:min(460px,86vw);margin:14px auto 0}
@media (min-width:860px){.intro__logo{margin-left:0}}
.intro__title{font-weight:800;font-stretch:76%;font-size:clamp(32px,5vw,58px);line-height:.98;letter-spacing:-.015em;margin:22px 0 0}
.intro__title em{font-style:normal;color:var(--gold)}
.intro__meta{margin:14px 0 26px;font-family:var(--serif);font-style:italic;font-size:18px;color:var(--muted)}
.intro__alt{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;font-size:14px;font-weight:600;color:var(--muted);text-decoration:none}
@media (min-width:860px){.intro__alt{justify-content:flex-start}}
.intro__alt:hover{color:var(--gold)}
.intro__alt svg{width:16px;height:16px}
.intro__foot{margin:26px 0 0;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#7d746c}
.intro__foot span{color:var(--gold);white-space:nowrap}
.intro__union{position:relative;display:flex;align-items:center;justify-content:center;gap:12px;padding:18px;border-top:1px solid var(--line)}
.intro__union small{font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.intro__union img{width:110px}

/* ---------- visor ---------- */
.app{position:fixed;inset:0;display:flex;flex-direction:column;background:
  radial-gradient(70% 60% at 50% 50%,#2a2320 0%,var(--ink) 70%)}
.top{height:var(--top);flex:none;display:flex;align-items:center;gap:10px;padding:0 14px;border-bottom:1px solid var(--line);background:rgba(13,11,11,.6);backdrop-filter:blur(8px)}
.top__mid{flex:1;min-width:0;text-align:center}
.top__mid img{height:17px;width:auto;margin:0 auto}
.top__mid p{margin:4px 0 0;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top__act{display:flex;gap:6px}
.ibtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;min-width:40px;padding:0 12px;border-radius:999px;border:1px solid rgba(255,255,255,.16);font-size:13px;font-weight:700;letter-spacing:.04em;text-decoration:none;transition:.2s}
.ibtn:hover{border-color:var(--gold);color:var(--gold)}
.ibtn--gold{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.ibtn--gold:hover{background:#ffd35e;color:var(--ink)}
@media (max-width:640px){.ibtn span{display:none}.ibtn{padding:0}.ibtn--hide-s{display:none}}

.stage{flex:1;min-height:0;position:relative;display:flex;align-items:center;gap:8px;padding:16px 10px}
.book-zone{flex:1;height:100%;min-width:0;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.book{margin:0 auto}
.book .stf__parent{margin:0 auto}
.book .hoja{background:#fff}
.book .hoja img{width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-drag:none}
.loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted);font-size:14px}
.spin{width:20px;height:20px;border-radius:50%;border:2px solid var(--ink-3);border-top-color:var(--gold);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.arrow{flex:none;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.06);border:1px solid var(--line);transition:.2s}
.arrow:hover:not(:disabled){background:var(--gold);color:var(--ink);border-color:var(--gold)}
.arrow:disabled{opacity:.25;cursor:default}
@media (max-width:899px){.arrow{display:none}.stage{padding:10px 8px}}
.zoom-btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:999px;background:var(--gold);color:var(--ink);font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;box-shadow:0 8px 24px -10px rgba(255,197,50,.55)}
.zoom-btn:hover{background:#ffd35e}

.bottom{flex:none;border-top:1px solid var(--line);background:rgba(13,11,11,.6)}
.prog{height:3px;background:var(--ink-3)}
.prog div{height:100%;width:0;background:linear-gradient(90deg,var(--gold-2),var(--gold));transition:width .4s}
.bottom__row{height:calc(var(--bottom) - 3px);display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 14px;padding-bottom:env(safe-area-inset-bottom)}
.bottom__mid{display:flex;align-items:center;gap:14px;min-width:0}
.counter{margin:0;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.counter b{color:var(--txt)}
.round{width:44px;height:44px;flex:none;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.18);transition:.2s}
.round:hover:not(:disabled){border-color:var(--gold);color:var(--gold)}
.round:disabled{opacity:.3;cursor:default}
@media (min-width:900px){.bottom .round{visibility:hidden}}
@media (max-width:380px){.zoom-btn{padding:0 14px;font-size:12px}.bottom__mid{gap:10px}}

/* ---------- índice ---------- */
.index{position:fixed;inset:0;z-index:40;display:flex}
.index__bg{flex:1;background:rgba(0,0,0,.6)}
.index__panel{width:min(460px,100%);height:100%;overflow-y:auto;background:var(--ink-2);padding:18px 18px 30px;animation:slideIn .28s cubic-bezier(.2,.7,.2,1)}
@keyframes slideIn{from{transform:translateX(-100%)}to{transform:none}}
.index__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.index__head h2{margin:0;font-weight:900;font-stretch:72%;font-size:34px;letter-spacing:-.01em;color:var(--gold)}
.search{display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;border-radius:12px;background:var(--ink);border:1px solid var(--line)}
.search:focus-within{border-color:var(--gold)}
.search svg{color:var(--muted)}
.search input{flex:1;min-width:0;height:100%;border:0;background:none;color:var(--txt);font:inherit;font-size:15px;outline:none}
.search input::placeholder{color:#7d746c}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
.chip{padding:8px 13px;border-radius:999px;background:var(--ink-3);font-size:13px;font-weight:700}
.chip:hover{background:var(--gold);color:var(--ink)}
.info{min-height:18px;margin:10px 0;font-size:13px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.thumb{display:flex;flex-direction:column;gap:6px;text-align:left}
.thumb img{width:100%;aspect-ratio:1240/1736;object-fit:cover;border-radius:4px;border:2px solid transparent;transition:.2s}
.thumb:hover img{border-color:rgba(255,197,50,.5)}
.thumb.on img{border-color:var(--gold)}
.thumb b{font-size:11px;letter-spacing:.06em;color:var(--gold)}
.thumb span{font-size:12px;line-height:1.25;font-weight:600}
.thumb mark{background:none;color:var(--gold)}
.thumb small{display:block;font-family:var(--serif);font-style:italic;font-size:12px;line-height:1.35;color:var(--muted)}

/* ---------- zoom ---------- */
.zoom{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;background:#0b0a0a}
.zoom__top{height:var(--top);flex:none;display:flex;align-items:center;gap:8px;padding:0 12px;border-bottom:1px solid var(--line)}
.zoom__top p{flex:1;margin:0;text-align:center;font-size:13px;font-weight:700;letter-spacing:.06em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.zoom__top p span{color:var(--gold)}
.zoom__canvas{flex:1;min-height:0;overflow:auto;display:flex;touch-action:pan-x pan-y;cursor:grab;overscroll-behavior:contain}
.zoom__canvas.drag{cursor:grabbing}
.zoom__canvas img{aspect-ratio:1240/1736;margin:auto;max-width:none;height:auto;user-select:none;box-shadow:0 20px 60px rgba(0,0,0,.6);background:#fff}
.zoom__help{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);margin:0;padding:10px 16px;border-radius:999px;background:rgba(0,0,0,.75);font-size:13px;font-weight:600;white-space:nowrap;pointer-events:none;transition:opacity .5s}

@media (prefers-reduced-motion:reduce){.intro__book,.intro__txt,.index__panel{animation:none}.intro__book img{transition:none}}