/* ============================================================
   NU / STUDIO — hoja de estilo
   Fotografía de figura. Dirección: arquitectónica, fría, mínima.
   Catálogo de museo / ficha de archivo. Helvetica light + monospace.
   El contenido es la imagen; todo lo demás es estructura silenciosa.
   ============================================================ */
:root{
  --bg:#fafbfc; --ink:#14161a; --mid:#6b7178; --faint:#9aa0a8;
  --hairline:#e8eaee; --field:#d8dce1; --pa:#eceef1; --pb:#f4f5f7;
  --sans:'Helvetica Neue',Helvetica,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:400;line-height:1.72;
  font-size:13.5px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
::selection{background:var(--ink);color:var(--bg)}

/* etiquetas técnicas: mono uppercase trackeado */
.mono{font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.16em;
  font-size:10px;color:var(--faint)}
.mono.sm{font-size:9px;letter-spacing:.2em}

h1,h2,h3{font-weight:300;letter-spacing:-.02em;line-height:1.1;color:var(--ink)}
p{color:var(--mid)}
.lede{font-size:14px;line-height:1.75;color:var(--mid);max-width:46ch}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,251,252,.86);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--hairline)}
.nav .in{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:18px 48px}
.nav a,.nav span{font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.18em;font-size:10px}
.nav .left{color:var(--ink)}
.nav .mid{justify-self:center;display:flex;gap:30px}
.nav .mid a{color:var(--faint);transition:color .2s}.nav .mid a:hover,.nav .mid a.on{color:var(--ink)}
.nav .right{justify-self:end;color:var(--faint)}

/* ---------- placeholder de imagen ---------- */
.ph{position:relative;background:repeating-linear-gradient(135deg,var(--pa) 0 18px,var(--pb) 18px 36px);overflow:hidden}
.ph[data-ar="4/5"]{aspect-ratio:4/5}.ph[data-ar="3/4"]{aspect-ratio:3/4}.ph[data-ar="1/1"]{aspect-ratio:1/1}
.ph[data-ar="3/2"]{aspect-ratio:3/2}.ph[data-ar="16/9"]{aspect-ratio:16/9}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph .tag{position:absolute;left:12px;bottom:11px;z-index:2}

/* ---------- secciones / retícula ---------- */
.sec{padding:56px 48px;border-bottom:1px solid var(--hairline)}
.row-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:30px}
.row-h h2{font-size:24px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--hairline);border-left:1px solid var(--hairline)}
.grid3>*{border-right:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}

/* ---------- hero (índice) ---------- */
.hero{display:grid;grid-template-columns:1.55fr 1fr;border-bottom:1px solid var(--hairline);min-height:74vh}
.hero .txt{padding:64px 48px 48px;display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid var(--hairline)}
.hero h1{font-size:clamp(34px,4.6vw,54px);line-height:1.06;margin:20px 0 0;max-width:14ch}
.hero .meta-row{display:flex;gap:34px;margin-top:36px;flex-wrap:wrap}
.hero .ph{align-self:stretch}

/* ---------- tarjeta de serie ---------- */
.serie{display:block;color:inherit;transition:background .2s}
.serie:hover{background:#f3f5f7}
.serie .ph{aspect-ratio:4/5}
.serie .info{padding:18px 20px 20px}
.serie .l1{display:flex;justify-content:space-between;align-items:baseline}
.serie .l1 h3{font-size:21px}
.serie .l2{display:flex;justify-content:space-between;margin-top:8px}

/* ---------- ficha de obra ---------- */
.obra{display:grid;grid-template-columns:1.4fr 1fr;border-bottom:1px solid var(--hairline)}
.obra .img{border-right:1px solid var(--hairline)}
.obra .img .ph{aspect-ratio:4/5;height:100%}
.obra .panel{padding:56px 48px;display:flex;flex-direction:column}
.obra .panel h1{font-size:34px;margin:14px 0 30px}
.data{border-top:1px solid var(--hairline)}
.data .r{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--hairline)}
.data .r .k{font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.16em;font-size:9.5px;color:var(--faint);padding-top:2px}
.data .r .v{font-size:14px;color:var(--ink)}

/* ---------- botones / enlaces ---------- */
.btn{display:inline-block;font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.18em;
  font-size:10px;padding:14px 22px;background:var(--ink);color:var(--bg);transition:opacity .2s;cursor:pointer;border:none}
.btn:hover{opacity:.82}
.lnk{font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.18em;font-size:10px;color:var(--ink)}
.lnk:hover{opacity:.6}
.cta-row{display:flex;gap:20px;align-items:center;margin-top:38px}

/* ---------- editorial / artículo (SEO) ---------- */
.article{display:grid;grid-template-columns:1fr;max-width:720px;margin:0 auto;padding:64px 48px}
.article h1{font-size:clamp(30px,4vw,44px);line-height:1.08;margin:18px 0 0}
.article .a-meta{margin:26px 0 40px;padding-bottom:26px;border-bottom:1px solid var(--hairline)}
.article p{font-size:14px;line-height:1.8;margin:18px 0;color:var(--mid)}
.article h2{font-size:24px;margin:40px 0 10px}.article h3{font-size:18px;margin:28px 0 8px}
.article a{color:var(--ink);border-bottom:1px solid var(--field)}
.article ul,.article ol{margin:18px 0 18px 20px;color:var(--mid);font-size:14px}.article li{margin:8px 0}
.article img,.article figure{margin:30px 0}
.article blockquote{border-left:1px solid var(--ink);padding-left:22px;margin:28px 0;font-size:19px;font-weight:300;color:var(--ink)}
.article strong{color:var(--ink);font-weight:500}

/* ---------- formulario (sin caja) ---------- */
.form{max-width:520px}
.field{margin-bottom:28px}
.field label{display:block;font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.16em;font-size:9.5px;color:var(--faint);margin-bottom:8px}
.field input,.field textarea{width:100%;border:none;border-bottom:1px solid var(--field);background:none;
  font-family:var(--sans);font-size:15px;color:var(--ink);padding:8px 0;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--ink)}

/* ---------- footer ---------- */
.foot{display:flex;justify-content:space-between;align-items:center;padding:30px 48px;border-top:1px solid var(--hairline)}
.foot a,.foot span{font-family:var(--mono);font-weight:500;text-transform:uppercase;letter-spacing:.16em;font-size:9.5px;color:var(--faint)}
.foot a:hover{color:var(--ink)}

/* ---------- aviso de edad ---------- */
.gate{position:fixed;inset:0;z-index:90;background:var(--bg);display:grid;grid-template-columns:1fr 1fr}
.gate .l{padding:64px 56px;display:flex;flex-direction:column;justify-content:center;border-right:1px solid var(--hairline)}
.gate h2{font-size:30px;line-height:1.12;margin:18px 0;max-width:16ch}
.gate p{font-size:13.5px;color:var(--mid);max-width:42ch}
.gate .chk{display:flex;align-items:center;gap:12px;margin:34px 0;cursor:pointer;user-select:none}
.gate .box{width:18px;height:18px;border:1px solid var(--ink);display:flex;align-items:center;justify-content:center;font-size:12px;flex:none}
.gate .chk.on .box::after{content:"✓"}
.gate .chk span{font-size:13px;color:var(--ink)}
.gate .r{background:repeating-linear-gradient(135deg,var(--pa) 0 18px,var(--pb) 18px 36px)}
.gate button[disabled]{opacity:.3;cursor:not-allowed}

@media(max-width:820px){
  .nav .in{grid-template-columns:1fr auto;padding:16px 24px}.nav .mid{display:none}
  .sec,.gate .l,.obra .panel,.article{padding-left:24px;padding-right:24px}
  .hero,.obra,.gate{grid-template-columns:1fr}.hero .txt{border-right:none;border-bottom:1px solid var(--hairline)}
  .grid3{grid-template-columns:1fr 1fr}.obra .img{border-right:none;border-bottom:1px solid var(--hairline)}
  .gate .l{border-right:none}.gate .r{min-height:30vh}
}
@media(max-width:520px){.grid3{grid-template-columns:1fr}}