/* ═══════════════════════════════════════════════════════════════════
   adrianheredia.es · EL CUADERNO (BRIEF §5.2)
   Portado 1:1 de maquetas/el-cuaderno.html. Aquí solo va lo propio de
   esta página: el sistema común está en base.css y el formulario en
   formulario.css, los dos sacados de esta misma maqueta.
   ═══════════════════════════════════════════════════════════════════ */

  /* ── Firma de la página: se abre desde la luz naranja (< 1 s, no bloquea, respeta reduced-motion) ── */
  .opening{position:fixed;inset:0;z-index:90;pointer-events:none}
  .opening .half{position:absolute;top:0;bottom:0;width:50.5%;background-color:var(--base);background-image:var(--washi);background-size:512px 512px;
    transition:transform .62s var(--ease) .2s}
  .opening .l{left:0;box-shadow:inset -2px 0 0 rgba(242,99,34,0)}
  .opening .r{right:0}
  .opening .seam{position:absolute;top:0;bottom:0;left:50%;width:3px;margin-left:-1.5px;transform:scaleY(0);opacity:0;
    background:linear-gradient(to bottom,transparent,#A24E17 14%,#F26322 50%,#A24E17 86%,transparent);box-shadow:0 0 26px 6px rgba(242,99,34,.5);
    transition:transform .24s var(--ease),opacity .3s ease .5s}
  .opening.go .seam{transform:scaleY(1);opacity:0}
  .opening.lit .seam{opacity:1;transition:transform .24s var(--ease),opacity .12s ease}
  .opening.go .l{transform:translateX(-101%)}
  .opening.go .r{transform:translateX(101%)}
  .js h1 .line > span{animation-delay:.32s}
  .js h1 .line:nth-child(2) > span{animation-delay:.44s}

  /* El archivo aparece cuando haya 3 cartas públicas */
  .archive[hidden]{display:none}

  /* ── Héroe ── */
  .hero{padding:118px 0 64px}
  .hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
  .hero .col{container-type:inline-size}
  .kicker{font-size:13px;font-weight:700;color:var(--rufus);margin:0 0 20px}
  h1{font-family:var(--f-titular);font-weight:400;text-transform:uppercase;line-height:.92;letter-spacing:-.01em;margin:0;font-size:clamp(44px,6.4vw,86px)}
  @supports (font-size:1cqw){ h1{font-size:clamp(36px,13.2cqw,86px)} }
  h1 .line{display:block;overflow:hidden}
  h1 .line > span{display:block;white-space:nowrap}
  .js h1 .line > span{transform:translateY(110%);animation:rise .95s var(--ease) forwards}
  h1 .hl{color:var(--naranja)}
  .lede{font-size:clamp(16px,1.5vw,19px);line-height:1.6;margin:24px 0 0;max-width:44ch}
  .cycle{color:var(--rufus);font-weight:700;display:inline-block;transition:opacity .25s ease,transform .25s ease}
  .shot{position:relative;aspect-ratio:4/5;border-radius:10px;overflow:hidden;background:#141210;box-shadow:0 30px 60px -28px rgba(30,25,19,.55)}
  .shot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 22%}
  @keyframes rise{to{transform:none}}

  /* ── Secciones ── */
  section.blk{padding:72px 0;border-top:1px solid var(--papel)}
  .eyebrow{font-size:13px;font-weight:700;color:var(--rufus);margin:0 0 10px}
  h2{font-family:var(--f-titulo);font-weight:800;text-transform:uppercase;font-size:clamp(28px,4vw,44px);line-height:1;letter-spacing:-.01em;margin:0 0 36px}

  /* Archivo de cartas (aparece con 3 cartas públicas) */
  /* Archivo: mazo de cartas apiladas (la del frente centrada; las demás asoman por los lados) */
  .archive{padding-bottom:84px}
  .archive-head{text-align:center;margin-bottom:34px}
  .archive-head h2{margin:0}
  .deck{display:flex;flex-direction:column;align-items:center}
  .deck-stage{position:relative;width:min(380px,74vw);aspect-ratio:4/5;touch-action:pan-y;user-select:none;-webkit-user-select:none}
  .lc{position:absolute;inset:0;display:block;border-radius:12px;overflow:hidden;background:#141210;color:var(--base);text-decoration:none;
    box-shadow:0 30px 50px -30px rgba(30,25,19,.6);transform-origin:50% 60%;
    transition:transform .55s var(--ease),filter .55s ease,box-shadow .55s ease;will-change:transform}
  .lc img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none;-webkit-user-drag:none}
  .lc::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(30,25,19,0) 42%,rgba(30,25,19,.55) 66%,rgba(30,25,19,.9) 100%)}
  .lc-txt{position:absolute;left:0;right:0;bottom:0;z-index:2;display:flex;flex-direction:column;gap:8px;padding:22px 22px 22px}
  .lc-meta{font-size:12.5px;font-weight:600;color:rgba(254,252,248,.82)}
  .lc-meta b{color:var(--naranja)}
  .lc-t{font-family:var(--f-titular);font-weight:400;text-transform:uppercase;font-size:clamp(22px,6vw,30px);line-height:.98;letter-spacing:-.005em}
  .lc-go{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700}
  .lc-go::after{content:"";width:18px;height:1.5px;background:var(--naranja);transition:width .3s var(--ease)}
  .lc.is-front:hover .lc-go::after{width:30px}
  .lc:not(.is-front){cursor:pointer;filter:brightness(.62) saturate(.85)}
  .lc:not(.is-front) .lc-txt{opacity:0}
  .lc .lc-txt{transition:opacity .35s ease}
  .lc:focus-visible{outline:3px solid var(--rufus);outline-offset:4px}
  .deck-nav{display:flex;align-items:center;gap:14px;margin-top:26px}
  .deck-arrow{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--tinta);background:transparent;color:var(--tinta);display:grid;place-items:center;cursor:pointer;transition:background .2s}
  .deck-arrow:hover{background:rgba(30,25,19,.06)}
  .deck-dots{display:flex;gap:8px}
  .deck-dots button{width:8px;height:8px;padding:0;border:0;border-radius:999px;background:#CDBB9A;cursor:pointer;transition:width .35s var(--ease),background .25s}
  .deck-dots button[aria-selected="true"]{width:26px;background:var(--naranja)}
  .deck-all{margin-top:18px;color:var(--rufus);font-weight:700;font-size:14px;text-underline-offset:3px}
  .cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .card{position:relative;display:flex;flex-direction:column;gap:10px;padding:22px 22px 20px;background:rgba(255,255,255,.62);border:1px solid var(--papel);border-radius:16px;
    text-decoration:none;color:var(--tinta);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .2s}
  .card:hover{transform:translateY(-4px);box-shadow:0 26px 40px -30px rgba(30,25,19,.45);border-color:#D9C7A6}
  .card .meta{font-size:13px;color:var(--tierra);display:flex;gap:10px}
  .card .meta b{color:var(--rufus);font-weight:700}
  .card h3{font-family:var(--f-titulo);font-weight:800;font-size:21px;line-height:1.15;margin:0}
  .card p{margin:0;font-size:15px;color:var(--tierra);line-height:1.55}
  .card .go{margin-top:auto;padding-top:6px;font-weight:700;font-size:14px;color:var(--tinta)}
  .card .go i{display:inline-block;width:18px;height:1.5px;background:var(--naranja);vertical-align:middle;margin-left:8px;transition:width .3s var(--ease)}
  .card:hover .go i{width:30px}

  /* Qué te llevas */
  .list{display:grid;grid-template-columns:repeat(2,1fr);gap:2px 48px}
  .item{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--papel)}
  .item .n{font-family:var(--f-titular);font-size:22px;color:var(--naranja);line-height:1}
  .item p{margin:0;font-size:16px;line-height:1.55;font-weight:500}

  /* Quién te escribe */
  .who{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:center}
  .who h2{margin-bottom:40px}
  .who p{font-size:17px;line-height:1.7;max-width:48ch;margin:0}
  .who-btn{margin-top:26px}
  .who .photo{position:relative;aspect-ratio:4/5;border-radius:10px;overflow:hidden;background:#141210;box-shadow:0 24px 50px -30px rgba(30,25,19,.5)}
  .who .photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 58%}

  /* Cierre */
  .closing{padding:84px 0;background:rgba(243,234,218,.7);border-top:1px solid var(--papel);text-align:center}
  .closing h2{margin-bottom:22px}
  .closing .sub{margin:0 auto;text-align:left}

  @media (max-width:860px){
    .hero{padding-top:100px}
    .hero .grid{grid-template-columns:1fr;gap:34px}
    .shot{aspect-ratio:16/11}
    .cards{grid-template-columns:1fr}
    .list{grid-template-columns:1fr}
    .who{grid-template-columns:1fr;gap:24px}
    .who .photo{aspect-ratio:3/2}
    .who h2{margin-bottom:24px}
  }

  /* Apilado del formulario · punto de corte de ESTA maqueta: 520 px (§4.4) */
  @media (max-width:520px){
    .sub{display:flex;flex-direction:column;gap:12px}
    .sub .row{display:contents}
    .sub input[type=email]{order:1}
    .sub .consent{order:2;margin-top:0}
    .sub .btn{order:3;width:100%}
    .sub .reassure{order:4;margin-top:0}
    .sub .msg,.sub .done{order:5}
  }

  @media (prefers-reduced-motion:reduce){
    .js h1 .line > span{transform:none}
  }

  /* El hueco de Turnstile, en el orden del formulario apilado (§4.4) */
  @media (max-width:520px){ .sub .turnstile{order:3} .sub .btn{order:4} .sub .reassure{order:5} .sub .msg,.sub .done{order:6} }