/* ============================================================
   STORE DIGITAL Mx | Espacios & Construcción — Hoja de estilo
   Tema: lujo ingenieril (azul medianoche, acero, hueso frío)
   ============================================================ */
:root{
  --bg:#0b1220;
  --bg-2:#101a2c;
  --bg-3:#16233a;
  --ink:#eef3f8;
  --muted:#93a1b5;
  --accent:#8fb4d9;
  --accent-2:#c2d8ee;
  --line:rgba(143,180,217,.22);
  --radius:18px;
  --font-display:"Fraunces",Georgia,serif;
  --font-body:"Inter",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1200px,92%);margin:0 auto}
section{padding:96px 0}

/* ---------- Tipografía ---------- */
h1,h2,h3{font-family:var(--font-display);font-weight:500;line-height:1.12;letter-spacing:-.01em}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--accent)}
.h-xl{font-size:clamp(2.6rem,6vw,4.6rem)}
.h-lg{font-size:clamp(2rem,4vw,3rem)}
.lead{color:var(--muted);font-size:1.08rem;max-width:640px}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:999px;font-weight:600;font-size:.95rem;transition:.25s;border:1px solid transparent;cursor:pointer}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0b1220}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(143,180,217,.30)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-2)}
.btn-wa{background:#1fae54;color:#fff}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(31,174,84,.35)}

/* ---------- Header ---------- */
header{position:fixed;inset:0 0 auto;z-index:50;transition:.3s;background:linear-gradient(#0b1220ee,#0b122000)}
header.scrolled{background:#0b1220f2;border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand b{font-family:var(--font-display);font-size:1.15rem;letter-spacing:.02em}
.brand span{font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--accent)}
.nav-links{display:flex;gap:32px;font-size:.9rem;color:var(--muted)}
.nav-links a:hover{color:var(--accent-2)}
.nav-cta{display:flex;gap:12px;align-items:center}
.nav-cta .btn{padding:11px 22px;font-size:.85rem}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--accent-2);margin:4px 0;transition:.3s}
@media(max-width:900px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:#0b1220f8;backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:10px 4%}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav-links a:last-child{border-bottom:none}
  .burger{display:block}
  .nav-cta .btn{display:none}
}

/* ---------- Hero (carrusel cinematográfico de obras reales) ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;padding:140px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg .hs{position:absolute;inset:0;opacity:0;transition:opacity 1.8s ease-in-out}
.hero-bg .hs.on{opacity:1}
.hero-bg .hs img{width:100%;height:100%;object-fit:cover;object-position:center 42%;transform:scale(1.06);transition:transform 7s ease-out;will-change:transform}
.hero-bg .hs.on img{transform:scale(1.14)}
/* veladura limpia: solo arriba (nav) y abajo (texto), centro despejado */
.hero-bg::after{content:"";position:absolute;inset:0;z-index:4;background:linear-gradient(180deg,#0b1220cc 0%,#0b122000 24%,#0b122000 48%,#0b122099 72%,#0b1220e6 92%,#0b1220 100%)}
.hero h1{text-shadow:0 2px 24px #0b1220b3,0 1px 6px #0b122099}
.hero .lead{text-shadow:0 1px 12px #0b1220cc}
.fx{position:absolute;inset:0;pointer-events:none}
.fx-grain{background:url("../assets/fx/grain.png") repeat;opacity:.05;mix-blend-mode:overlay;animation:grano .9s steps(2) infinite;z-index:3}
@keyframes grano{0%{background-position:0 0}50%{background-position:80px 40px}100%{background-position:0 0}}
@media(prefers-reduced-motion:reduce){
  .hero-bg .hs,.hero-bg .hs img,.fx-grain{transition:none;animation:none}
}
.hero-inner{display:grid;gap:26px;max-width:820px}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap}
.badge{border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2);background:#0b122080;backdrop-filter:blur(6px)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}

/* ---------- Stats ---------- */
.stats{border-block:1px solid var(--line);background:var(--bg-2)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:44px}
.stat b{display:block;font-family:var(--font-display);font-size:2.4rem;color:var(--accent-2)}
.stat span{color:var(--muted);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}
@media(max-width:760px){.stats .wrap{grid-template-columns:repeat(2,1fr)}}

/* ---------- Servicios ---------- */
.serv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:48px}
.serv{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.3s;position:relative;overflow:hidden}
.serv:hover{transform:translateY(-4px);border-color:var(--accent);background:var(--bg-3)}
.serv .ico{font-size:1.7rem;margin-bottom:14px;display:block}
.serv h3{font-size:1.15rem;margin-bottom:8px}
.serv p{color:var(--muted);font-size:.9rem}

/* ---------- Catálogo ---------- */
#catalogo{background:var(--bg-2)}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin:34px 0 40px}
.chip{border:1px solid var(--line);background:transparent;color:var(--muted);padding:9px 20px;border-radius:999px;font-size:.85rem;cursor:pointer;transition:.2s}
.chip:hover{color:var(--ink);border-color:var(--accent)}
.chip.active{background:var(--accent);border-color:var(--accent);color:#0b1220;font-weight:600}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s;cursor:pointer}
.card:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:0 24px 48px #00000070}
.card .ph{aspect-ratio:4/3;overflow:hidden;position:relative}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.6,.2,1)}
.card:hover .ph img{transform:scale(1.06)}
.card .tag{position:absolute;top:14px;left:14px;background:#0b1220cc;backdrop-filter:blur(6px);border:1px solid var(--line);color:var(--accent-2);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
.card .info{padding:20px 22px 24px}
.card h3{font-size:1.18rem;margin-bottom:6px}
.card p{color:var(--muted);font-size:.88rem}
.card .mats{margin-top:12px;display:flex;gap:6px;flex-wrap:wrap}
.card .mats i{font-style:normal;font-size:.68rem;letter-spacing:.06em;color:var(--accent-2);border:1px solid var(--line);border-radius:6px;padding:3px 8px}

/* ---------- Antes / Después ---------- */
.ba-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:28px;margin-top:48px}
.ba{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .after{clip-path:inset(0 0 0 var(--x,50%))}
.ba input{position:absolute;inset:auto 0 14px;width:70%;margin:0 15%;accent-color:var(--accent);cursor:ew-resize;z-index:3}
.ba .lbl{position:absolute;top:14px;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:#0b1220cc;border:1px solid var(--line);z-index:2}
.ba .lbl.l{left:14px;color:var(--muted)}
.ba .lbl.r{right:14px;color:var(--accent-2)}

/* ---------- Proceso ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:48px;counter-reset:paso}
.step{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;position:relative}
.step::before{counter-increment:paso;content:"0" counter(paso);font-family:var(--font-display);font-size:2.6rem;color:var(--accent);opacity:.85;display:block;margin-bottom:14px}
.step h3{font-size:1.1rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.9rem}
.proceso-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:44px}
.proceso-strip img{border-radius:12px;aspect-ratio:1;object-fit:cover;width:100%;border:1px solid var(--line);transition:.3s}
.proceso-strip img:hover{transform:scale(1.03);border-color:var(--accent)}

/* ---------- Render ---------- */
.render-split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:900px){.render-split{grid-template-columns:1fr}}
.render-split figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);position:relative}
.render-split figcaption{position:absolute;bottom:14px;left:14px;background:#0b1220cc;backdrop-filter:blur(6px);border:1px solid var(--line);padding:8px 16px;border-radius:999px;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2)}
.check-list{list-style:none;margin-top:26px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
.check-list li::before{content:"◆";color:var(--accent);font-size:.8rem;margin-top:4px}

/* ---------- Aliados ---------- */
#aliados{background:url("../assets/fx/mesh.jpg") center/cover fixed no-repeat}
@media(max-width:900px){#aliados{background-attachment:scroll}}
.aliados-head{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end;margin-bottom:52px}
@media(max-width:900px){.aliados-head{grid-template-columns:1fr}}
.aliados-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.aliado-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;transition:.3s}
.aliado-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.aliado-card.dest{background:linear-gradient(160deg,var(--bg-3),#152238);border-color:var(--accent)}
.aliado-card .sello{display:inline-block;font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-2);border:1px solid var(--accent);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.aliado-card h3{font-size:1.25rem;margin-bottom:10px}
.aliado-card p{color:var(--muted);font-size:.9rem}
.aliado-card ul{list-style:none;margin-top:16px;display:grid;gap:8px;font-size:.86rem;color:var(--muted)}
.aliado-card ul li::before{content:"✓ ";color:var(--accent)}
.aliados-cta{margin-top:52px;text-align:center;background:var(--bg-2);border:1px dashed var(--accent);border-radius:var(--radius);padding:44px 28px}
.aliados-cta h3{font-size:1.5rem;margin-bottom:10px}
.aliados-cta p{color:var(--muted);max-width:560px;margin:0 auto 22px}

/* ---------- Contacto ---------- */
.contacto{background:linear-gradient(#0b1220d9,#0b1220e6),url("../assets/fx/mesh.jpg") center/cover no-repeat}
.contacto-box{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:900px){.contacto-box{grid-template-columns:1fr}}
.contacto-box figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.contacto-box figure img{aspect-ratio:4/3;object-fit:cover;width:100%}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:44px 0;color:var(--muted);font-size:.85rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;background:#070b14f0;z-index:100;display:none;align-items:center;justify-content:center;padding:4vw}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1000px,94vw);max-height:82vh;border-radius:14px;border:1px solid var(--line);object-fit:contain}
.lightbox .cap{position:absolute;bottom:4vh;left:0;right:0;text-align:center;color:var(--accent-2);font-family:var(--font-display);font-size:1.2rem}
.lightbox .close{position:absolute;top:26px;right:32px;font-size:2rem;color:var(--ink);cursor:pointer;background:none;border:none}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#1fae54;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px #1fae5455;transition:.25s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Efecto BLUR-IN (letras premium) ---------- */
@keyframes blurIn{
  from{opacity:0;filter:blur(14px);transform:translateY(14px) scale(1.02)}
  to{opacity:1;filter:blur(0);transform:none}
}
.blur-in .w{display:inline-block;opacity:0;animation:blurIn .9s cubic-bezier(.2,.6,.2,1) forwards;animation-delay:calc(var(--i)*70ms)}
.blur-in .w.em{color:var(--accent-2);font-style:italic}
@media(prefers-reduced-motion:reduce){.blur-in .w{animation:none;opacity:1}}

/* ---------- Ajustes móviles ---------- */
@media(max-width:640px){
  section{padding:64px 0}
  .hero{padding:120px 0 64px;min-height:92svh}
  .h-xl{font-size:clamp(2rem,9.5vw,2.6rem)}
  .lead{font-size:.98rem}
  .badge{font-size:.66rem;padding:7px 12px}
  .btn{width:100%;justify-content:center}
  .hero-actions{flex-direction:column}
  .stat b{font-size:1.9rem}
  .gallery{grid-template-columns:1fr}
  .filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .chip{white-space:nowrap}
  .proceso-strip{grid-template-columns:repeat(3,1fr)}
  .contacto-box .btn{width:100%}
  .wa-float{width:52px;height:52px;right:16px;bottom:16px}
  footer .wrap{flex-direction:column;gap:8px}
}

/* ---------- Banners cinematográficos 4K (heroes de sección) ---------- */
.banner{position:relative;min-height:62svh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:80px 0}
.banner .b-bg{position:absolute;inset:-12% 0;background-size:cover;background-position:center;will-change:transform;z-index:-2}
.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--bg) 0%,#0b122055 30%,#0b122055 70%,var(--bg) 100%);z-index:-1}
.banner .b-inner{display:grid;gap:20px;justify-items:center;max-width:900px;padding:0 5%}
.banner h2{font-size:clamp(1.9rem,4.5vw,3.4rem)}
.banner .lead{margin:0 auto}
.banner .fx-grain{z-index:0}

/* Fondos 4K tenues para secciones */
#proceso{position:relative;background:linear-gradient(#0b1220f2,#0b1220e8),url("../assets/fx/4k/madera.jpg") center/cover fixed no-repeat}
#render{position:relative;background:linear-gradient(#0b1220f0,#0b1220e6),url("../assets/fx/4k/interior.jpg") center/cover fixed no-repeat}
@media(max-width:900px){
  #proceso,#render{background-attachment:scroll}
  .banner{min-height:46svh}
}