/* =====================================================================
   SURFACES MAGAZINE — Hoja de estilo
   Estética: editorial de lujo / revista digital. Mobile-first.
   Paleta: piedra cálida, tinta profunda, oro apagado.
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Jost:wght@300;400;500;600&display=swap');

:root{
  --ink:#1c1a17;
  --ink-soft:#3a3631;
  --stone:#f4f0e9;
  --stone-2:#e8e1d5;
  --paper:#fbf9f5;
  --gold:#9a7b4f;
  --gold-deep:#7d6240;
  --line:#d8cfc0;
  --danger:#a23b32;
  --ok:#4a6b48;
  --shadow:0 18px 50px -20px rgba(28,26,23,.45);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Jost',-apple-system,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- Tipografía editorial ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:-.01em}
.eyebrow{
  font-family:var(--sans);font-size:.7rem;letter-spacing:.32em;
  text-transform:uppercase;color:var(--gold-deep);font-weight:500;
}

/* ---------- Layout utilidades ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 1.4rem}
.center{text-align:center}
.muted{color:var(--ink-soft)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--sans);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  font-weight:500;padding:.85rem 1.8rem;border:1px solid var(--ink);
  background:var(--ink);color:var(--paper);cursor:pointer;
  transition:.35s cubic-bezier(.2,.7,.3,1);border-radius:0;
}
.btn:hover{background:transparent;color:var(--ink)}
.btn--gold{background:var(--gold);border-color:var(--gold);color:#fff}
.btn--gold:hover{background:transparent;color:var(--gold-deep)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.btn--sm{padding:.55rem 1.1rem;font-size:.7rem}
.btn--danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn--danger:hover{background:transparent;color:var(--danger)}

/* ---------- Flash ---------- */
.flash{padding:.9rem 1.2rem;margin:.6rem 0;font-size:.85rem;border-left:3px solid}
.flash--success{background:#eef3ec;border-color:var(--ok);color:var(--ok)}
.flash--error{background:#f7ecea;border-color:var(--danger);color:var(--danger)}
.flash--info{background:var(--stone);border-color:var(--gold);color:var(--gold-deep)}

/* =====================================================================
   LANDING (index)
   ===================================================================== */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;position:relative;overflow:hidden;
  background:
    radial-gradient(120% 90% at 70% 10%, rgba(154,123,79,.10), transparent 55%),
    linear-gradient(160deg,#fbf9f5 0%,#efe8dc 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpath d='M0 40h80M40 0v80' stroke='%231c1a17' stroke-width='.5'/%3E%3C/svg%3E");
}
.hero__inner{position:relative;z-index:2;padding:2rem;max-width:760px}
.hero h1{font-size:clamp(2.8rem,9vw,6rem);margin:.4rem 0 .6rem}
.hero h1 em{font-style:italic;color:var(--gold-deep)}
.hero p{font-size:clamp(1rem,2.4vw,1.25rem);color:var(--ink-soft);max-width:540px;margin:0 auto 2rem}
.hero .divider{width:60px;height:1px;background:var(--gold);margin:1.4rem auto}

/* =====================================================================
   AUTH (login / registro)
   ===================================================================== */
.auth{min-height:100vh;display:grid;place-items:center;padding:2rem 1rem;
  background:linear-gradient(160deg,#1c1a17,#2c2823);}
.auth__card{
  width:100%;max-width:420px;background:var(--paper);padding:2.6rem 2.2rem;
  box-shadow:var(--shadow);
}
.auth__card h1{font-size:2rem;margin-bottom:.2rem}
.field{margin:1.1rem 0}
.field label{display:block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-soft);margin-bottom:.4rem;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;padding:.8rem .9rem;border:1px solid var(--line);background:#fff;
  font-family:var(--sans);font-size:.95rem;color:var(--ink);border-radius:0;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold)}
.field textarea{min-height:110px;resize:vertical}

/* =====================================================================
   BACKOFFICE (admin / distribuidor)
   ===================================================================== */
.app{display:flex;min-height:100vh}
.side{
  width:250px;background:var(--ink);color:var(--stone);padding:1.6rem 0;
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;flex-shrink:0;
}
.side__brand{font-family:var(--serif);font-size:1.5rem;padding:0 1.6rem 1.2rem;
  border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:1rem}
.side__brand small{display:block;font-family:var(--sans);font-size:.6rem;letter-spacing:.3em;
  text-transform:uppercase;color:var(--gold);margin-top:.3rem}
.side nav a{display:block;padding:.8rem 1.6rem;font-size:.82rem;letter-spacing:.06em;
  color:rgba(244,240,233,.7);border-left:3px solid transparent;transition:.2s}
.side nav a:hover,.side nav a.active{color:#fff;border-color:var(--gold);
  background:rgba(255,255,255,.04)}
.side__foot{margin-top:auto;padding:1rem 1.6rem;font-size:.72rem;color:rgba(244,240,233,.45)}
.main{flex:1;padding:2rem 2.4rem;max-width:100%;overflow-x:auto}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;
  padding-bottom:1.2rem;border-bottom:1px solid var(--line)}
.topbar h1{font-size:2rem}

.card{background:#fff;border:1px solid var(--line);padding:1.6rem;margin-bottom:1.6rem}
.card h2{font-size:1.4rem;margin-bottom:1rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem;margin-bottom:2rem}
.stat{background:#fff;border:1px solid var(--line);padding:1.4rem}
.stat .n{font-family:var(--serif);font-size:2.6rem;color:var(--gold-deep);line-height:1}
.stat .l{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-top:.4rem}

/* tablas */
.table{width:100%;border-collapse:collapse;font-size:.88rem}
.table th{text-align:left;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);padding:.7rem .6rem;border-bottom:2px solid var(--line);font-weight:600}
.table td{padding:.75rem .6rem;border-bottom:1px solid var(--stone-2);vertical-align:middle}
.table tr:hover td{background:var(--stone)}
.thumb{width:46px;height:46px;object-fit:cover;border:1px solid var(--line)}
.badge{font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;padding:.25rem .6rem;
  border:1px solid;display:inline-block}
.badge--on{color:var(--ok);border-color:var(--ok)}
.badge--off{color:var(--danger);border-color:var(--danger)}
.actions{display:flex;gap:.4rem;flex-wrap:wrap}

.linkbox{display:flex;gap:.5rem;align-items:center;background:var(--stone);padding:.8rem 1rem;
  border:1px dashed var(--line);font-family:monospace;font-size:.82rem;word-break:break-all}

/* =====================================================================
   CATÁLOGO PÚBLICO (cliente final)
   ===================================================================== */
.cat-header{position:relative;background:var(--ink);color:var(--paper);text-align:center;
  padding:0;overflow:hidden}
.cat-header__banner{width:100%;max-height:340px;object-fit:cover;opacity:.85}
.cat-header__overlay{padding:2.4rem 1.4rem}
.cat-header__overlay h1{font-size:clamp(2rem,6vw,3.4rem);color:#fff}
.cat-header__info{font-size:.9rem;color:rgba(251,249,245,.7);margin-top:.6rem}

.cat-strip{background:var(--stone);text-align:center;padding:.7rem;font-size:.7rem;
  letter-spacing:.3em;text-transform:uppercase;color:var(--gold-deep);border-bottom:1px solid var(--line)}

.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;padding:2.4rem 0}
@media(max-width:560px){.cat-grid{grid-template-columns:1fr}}

.mat-card{background:#fff;border:1px solid var(--line);overflow:hidden;
  transition:.4s;display:flex;flex-direction:column}
.mat-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.mat-gallery{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--stone-2);cursor:pointer}
.mat-gallery img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .6s}
.mat-gallery img.active{opacity:1}
.mat-gallery .dots{position:absolute;bottom:.7rem;left:50%;transform:translateX(-50%);
  display:flex;gap:.4rem;z-index:3}
.mat-gallery .dots span{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.5);
  cursor:pointer;transition:.2s}
.mat-gallery .dots span.on{background:#fff;transform:scale(1.3)}
.mat-body{padding:1.2rem 1.3rem;display:flex;flex-direction:column;flex:1}
.mat-body h3{font-size:1.5rem;margin-bottom:.3rem}
.mat-meta{display:flex;flex-wrap:wrap;gap:.4rem .9rem;font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-soft);margin:.4rem 0 .9rem}
.mat-meta b{color:var(--gold-deep);font-weight:600}
.mat-price{font-family:var(--serif);font-size:1.9rem;color:var(--ink);margin:.2rem 0 1rem}
.mat-price small{font-size:.7rem;font-family:var(--sans);letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-soft);display:block}
.mat-body .btn{margin-top:auto;justify-content:center}

.pager{display:flex;justify-content:center;gap:1rem;padding:1rem 0 3.5rem;align-items:center}
.pager .pginfo{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}

.cat-foot{background:var(--ink);color:var(--stone);text-align:center;padding:2rem 1rem;font-size:.8rem}
.cat-foot img{max-height:120px;margin:0 auto 1rem;object-fit:contain}

/* =====================================================================
   MODAL (lightbox + presupuesto)
   ===================================================================== */
.modal{position:fixed;inset:0;background:rgba(20,18,15,.82);display:none;
  z-index:200;padding:1.5rem;overflow-y:auto}
.modal.open{display:grid;place-items:center}
.modal__box{background:var(--paper);max-width:760px;width:100%;position:relative;
  box-shadow:var(--shadow);animation:rise .4s ease}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.modal__close{position:absolute;top:1rem;right:1rem;font-size:1.6rem;line-height:1;
  background:none;border:none;color:var(--ink);cursor:pointer;z-index:5}
.modal__media{display:grid;grid-template-columns:1fr;gap:.5rem;padding:1.5rem 1.5rem 0}
.modal__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line)}
.modal__thumbs{display:flex;gap:.5rem;padding:.8rem 1.5rem 0}
.modal__thumbs img{width:70px;height:70px;object-fit:cover;cursor:pointer;
  border:1px solid var(--line);opacity:.6;transition:.2s}
.modal__thumbs img.sel{opacity:1;border-color:var(--gold)}
.modal__body{padding:1.4rem 1.5rem 2rem}
.modal__body h2{font-size:2rem}

/* =====================================================================
   RESPONSIVE backoffice
   ===================================================================== */
@media(max-width:820px){
  .app{flex-direction:column}
  .side{width:100%;height:auto;position:relative;flex-direction:row;flex-wrap:wrap;
    align-items:center;padding:1rem}
  .side__brand{border:none;padding:0 1rem 0 0;margin:0}
  .side nav{display:flex;flex-wrap:wrap}
  .side nav a{padding:.5rem .9rem;border-left:none;border-bottom:2px solid transparent}
  .side__foot{margin:0 0 0 auto;padding:0 0 0 1rem}
  .main{padding:1.4rem}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .topbar{flex-direction:column;align-items:flex-start;gap:.8rem}
}