/* ============================================================
   PERFINOVA — Página individual de producto (puerta)
   Plantilla data-driven · oscuro + bronce · prioridad: conversión
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --ink:#0b0b0d; --ink-soft:#131316; --ink-card:#1a1a1e;
  --bone:#f3efe9; --bone-dim:rgba(243,239,233,.70); --bone-dim2:rgba(243,239,233,.46);
  --cyan:#c0915c; --cyan-d:#a8794a; --cyan-l:#d9b483;
  --line:rgba(255,255,255,.10);
  --wa:#25D366; --wa-d:#1eb958;
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:'Inter',sans-serif; --serif:'Cormorant Garamond',Georgia,serif;
}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;}
body{font-family:var(--sans);background:var(--ink);color:var(--bone);line-height:1.6;overflow-x:hidden;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}

/* ── NAV ── */
.pnav{position:sticky;top:0;z-index:60;background:rgba(11,11,13,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.pnav-in{max-width:1180px;margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.pnav-back{display:inline-flex;align-items:center;gap:8px;font-size:.86rem;color:var(--bone-dim);transition:color .3s var(--ease);}
.pnav-back:hover{color:var(--bone);}
.pnav-brand{font-size:.9rem;font-weight:600;letter-spacing:.18em;color:var(--bone);}
.pnav-brand em{font-style:normal;color:var(--cyan);}
.pnav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--wa);color:#fff;font-weight:600;font-size:.82rem;padding:9px 18px;border-radius:8px;transition:background .3s var(--ease),transform .3s var(--ease);}
.pnav-cta:hover{background:var(--wa-d);transform:translateY(-1px);}

/* ── HERO ── */
.phero{position:relative;min-height:88vh;display:flex;align-items:flex-end;overflow:hidden;}
.phero-bg{position:absolute;inset:0;z-index:0;}
.phero-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(.72);}
.phero-veil{position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(8,10,14,.95),rgba(8,10,14,.35) 50%,rgba(8,10,14,.55)),linear-gradient(to right,rgba(8,10,14,.85),transparent 70%);}
.phero-c{position:relative;z-index:2;max-width:1180px;width:100%;margin:0 auto;padding:0 32px 7vh;}
.phero-eyebrow{font-size:.74rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan-l);margin-bottom:18px;}
.phero-name{font-family:var(--serif);font-size:clamp(3rem,8vw,6rem);font-weight:500;line-height:1;letter-spacing:.005em;margin-bottom:18px;}
.phero-tag{font-size:clamp(1.05rem,1.6vw,1.3rem);font-weight:300;color:rgba(255,255,255,.85);max-width:540px;margin-bottom:32px;}
.phero-quick{display:flex;flex-wrap:wrap;gap:0;margin-bottom:34px;}
.phero-quick div{padding-right:34px;margin-right:34px;border-right:1px solid rgba(255,255,255,.2);}
.phero-quick div:last-child{border-right:none;margin-right:0;padding-right:0;}
.phero-quick b{display:block;font-size:1.5rem;font-weight:300;}
.phero-quick small{font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.55);}
.phero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}

/* ── BOTONES ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;font-size:.95rem;padding:15px 30px;border-radius:8px;transition:background .3s var(--ease),transform .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);}
.btn-wa{background:var(--wa);color:#fff;}
.btn-wa:hover{background:var(--wa-d);transform:translateY(-2px);}
.btn-ghost{border:1.5px solid rgba(255,255,255,.4);color:var(--bone);}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.07);transform:translateY(-2px);}
.btn-lg{padding:18px 40px;font-size:1.02rem;}
.btn:focus-visible{outline:2px solid var(--cyan-l);outline-offset:3px;}
.note{font-size:.8rem;color:var(--bone-dim2);margin-top:14px;}

/* ── SECCIONES ── */
.sec{padding:clamp(64px,8vw,110px) 0;}
.sec--soft{background:var(--ink-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan-l);margin-bottom:14px;}
.sec-title{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:400;letter-spacing:-.02em;line-height:1.1;margin-bottom:14px;}
.sec-intro{font-size:1.02rem;font-weight:300;color:var(--bone-dim);max-width:560px;line-height:1.7;}

/* Galería */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px;}
.gallery-grid figure{position:relative;aspect-ratio:4/3;border-radius:10px;overflow:hidden;border:1px solid var(--line);cursor:pointer;}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.gallery-grid figure:hover img{transform:scale(1.04);}
.gallery-grid figure:first-child{grid-column:span 2;grid-row:span 2;aspect-ratio:auto;}

/* Video */
.video-block{margin-top:40px;position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--line);cursor:pointer;background:#000;}
.video-block img{width:100%;height:100%;object-fit:cover;filter:brightness(.7);}
.video-block .vplay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:74px;height:74px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--cyan-d);display:flex;align-items:center;justify-content:center;transition:transform .3s var(--ease),background .3s var(--ease);}
.video-block:hover .vplay{transform:translate(-50%,-50%) scale(1.08);background:#fff;}
.video-block .vplay svg{width:30px;height:30px;margin-left:4px;}

/* Beneficios */
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
.benefit{background:var(--ink-card);border:1px solid var(--line);border-radius:10px;padding:30px 26px;}
.benefit svg{width:28px;height:28px;color:var(--cyan-l);margin-bottom:16px;}
.benefit h3{font-size:1.1rem;font-weight:600;margin-bottom:8px;}
.benefit p{font-size:.94rem;font-weight:300;color:var(--bone-dim);line-height:1.65;}

/* Specs */
.specs-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(32px,5vw,70px);margin-top:44px;align-items:start;}
.spec-table{width:100%;border-top:1px solid var(--line);}
.spec-table div{display:flex;justify-content:space-between;gap:20px;padding:15px 2px;border-bottom:1px solid var(--line);}
.spec-table dt{font-size:.92rem;color:var(--bone-dim);font-weight:400;}
.spec-table dd{font-size:.92rem;color:var(--bone);font-weight:500;text-align:right;}
.apertura{display:flex;flex-direction:column;gap:12px;}
.apertura-chip{display:flex;align-items:center;gap:12px;background:var(--ink-card);border:1px solid var(--line);border-radius:8px;padding:14px 18px;font-size:.95rem;}
.apertura-chip svg{width:22px;height:22px;color:var(--cyan-l);flex-shrink:0;}

/* Acabados */
.fin-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:12px;margin-top:40px;}
.fin{cursor:default;}
.fin span{display:block;aspect-ratio:1/1;border-radius:8px;background:linear-gradient(150deg,var(--c1),var(--c2));box-shadow:inset 0 0 0 1px rgba(255,255,255,.07);transition:transform .4s var(--ease);}
.fin:hover span{transform:translateY(-4px);}
.fin small{display:block;margin-top:8px;font-size:.72rem;color:var(--bone-dim);text-align:center;}
.fin-note{margin-top:28px;font-size:1rem;color:var(--bone-dim);}
.fin-note b{color:var(--bone);}
.fin-note a{color:var(--cyan-l);border-bottom:1px solid transparent;transition:border-color .3s;}
.fin-note a:hover{border-bottom-color:var(--cyan-l);}

/* Instalación */
.install{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:center;margin-top:40px;}
.install-big{font-family:var(--serif);font-size:clamp(3rem,7vw,5rem);font-weight:500;color:var(--cyan-l);line-height:1;}
.install p{font-size:1.02rem;font-weight:300;color:var(--bone-dim);line-height:1.7;margin-top:16px;}
.install a.btn{margin-top:24px;}

/* FAQ */
.faq-list{max-width:780px;margin:40px auto 0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 2px;font-size:1.05rem;color:var(--bone);display:flex;align-items:center;justify-content:space-between;gap:20px;transition:color .25s var(--ease);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+';color:var(--cyan-l);font-size:1.5rem;font-weight:300;line-height:1;flex-shrink:0;transition:transform .3s var(--ease);}
.faq-item summary:hover{color:var(--cyan-l);}
.faq-item[open] summary{color:var(--cyan-l);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item div p{padding:0 2px 22px;color:var(--bone-dim);font-weight:300;line-height:1.72;max-width:680px;}

/* CTA final */
.final{text-align:center;}
.final h2{font-family:var(--serif);font-size:clamp(2.2rem,5vw,3.6rem);font-weight:500;line-height:1.06;margin-bottom:18px;}
.final p{font-size:1.05rem;font-weight:300;color:var(--bone-dim);margin-bottom:34px;}

/* Otros modelos */
.others{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;justify-content:center;}
.others a{font-size:.86rem;color:var(--bone-dim);border:1px solid var(--line);border-radius:100px;padding:8px 18px;transition:border-color .3s,color .3s;}
.others a:hover{border-color:var(--cyan);color:var(--cyan-l);}

/* Footer */
.pfoot{border-top:1px solid var(--line);padding:40px 0;text-align:center;color:var(--bone-dim2);font-size:.82rem;}
.pfoot a{color:var(--bone-dim);}
.pfoot a:hover{color:var(--cyan-l);}

/* Barra WhatsApp móvil */
.wabar{display:none;}

/* Lightbox */
.vlb{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px;}
.vlb.open{display:flex;}
.vlb-bg{position:absolute;inset:0;background:rgba(8,10,14,.9);backdrop-filter:blur(4px);}
.vlb-in{position:relative;width:100%;max-width:920px;}
.vlb-frame{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden;box-shadow:0 24px 64px rgba(0,0,0,.5);}
.vlb-frame iframe,.vlb-frame img{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:contain;}
.vlb-close{position:absolute;top:-46px;right:0;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .3s;}
.vlb-close:hover{background:rgba(255,255,255,.28);}
.vlb-actions{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:18px;}
.vlb-actions .btn-wa{padding:13px 26px;}
.vlb-note{font-size:.8rem;color:rgba(255,255,255,.55);}

/* Estado: modelo no encontrado */
.notfound{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:18px;padding:32px;}

/* ── RESPONSIVE ── */
@media (max-width:900px){
  .specs-grid{grid-template-columns:1fr;}
  .install{grid-template-columns:1fr;}
  .benefits{grid-template-columns:1fr;}
  .fin-grid{grid-template-columns:repeat(6,1fr);}
}
@media (max-width:768px){
  .wrap,.pnav-in,.phero-c{padding-left:20px;padding-right:20px;}
  .pnav-cta{display:none;}
  .gallery-grid{grid-template-columns:1fr 1fr;}
  .gallery-grid figure:first-child{grid-column:span 2;grid-row:span 1;aspect-ratio:16/10;}
  .phero-actions{flex-direction:column;align-items:stretch;width:100%;}
  .phero-actions .btn{width:100%;}
  .fin-grid{grid-template-columns:repeat(4,1fr);}
  /* barra wa móvil */
  .wabar{display:flex;align-items:center;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--wa);color:#fff;padding:11px 18px;box-shadow:0 -6px 24px rgba(0,0,0,.35);}
  .wabar svg{flex-shrink:0;}
  .wabar strong{display:block;font-size:.95rem;font-weight:700;line-height:1.15;}
  .wabar small{display:block;font-size:.7rem;opacity:.85;}
  body{padding-bottom:62px;}
}
@media (max-width:460px){
  .phero-quick div{padding-right:18px;margin-right:18px;}
  .phero-quick b{font-size:1.25rem;}
}

/* Imágenes provenientes de video: recorte que oculta rótulos */
.phero-bg img.yt{ object-position:center 30%; transform:scale(1.22); }
.gallery-grid img.yt{ object-position:center 30%; transform:scale(1.2); }
.gallery-grid figure:hover img.yt{ transform:scale(1.24); }
.video-block img.yt{ object-position:center 30%; transform:scale(1.15); }