:root{
  --bg:#f4f7fb;
  --surface:#ffffff;
  --surface-soft:#f8fafc;
  --text:#0f172a;
  --muted:#475569;
  --line:#dbe4ee;
  --primary:#0f4c81;
  --primary-strong:#0b3a63;
  --accent:#f97316;
  --success:#166534;
  --warning:#92400e;
  --danger:#b91c1c;
  --shadow:0 14px 32px rgba(15, 23, 42, 0.08);
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --container:1240px;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(15,76,129,.06), transparent 24%),
    radial-gradient(circle at top right, rgba(249,115,22,.07), transparent 20%),
    var(--bg);
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
button,input,textarea,select{ font:inherit; }

.container{
  width:min(100% - 32px, var(--container));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(219,228,238,.8);
}

.header-row{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  letter-spacing:.2px;
}

.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg, var(--primary), var(--accent));
  color:#fff;
  box-shadow:var(--shadow);
}

.brand-text{ font-size:1.05rem; }

.main-nav{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

.main-nav a{
  padding:10px 14px;
  border-radius:12px;
  color:var(--muted);
  font-weight:600;
  transition:.2s ease;
}

.main-nav a:hover,
.main-nav a.active{
  background:#eaf1f8;
  color:var(--primary-strong);
}

.site-main{
  min-height:calc(100vh - 160px);
}

.hero{ padding:42px 0 26px; }

.hero-grid{
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:24px;
}

.card{
  background:var(--surface);
  border:1px solid rgba(219,228,238,.9);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  padding:28px;
}

.eyebrow,
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#eef5fb;
  color:var(--primary-strong);
  border:1px solid #d8e6f3;
  border-radius:999px;
  padding:8px 12px;
  font-size:.86rem;
  font-weight:700;
}

.title{
  margin:14px 0 12px;
  font-size:clamp(1.8rem, 4vw, 3.1rem);
  line-height:1.08;
  letter-spacing:-.03em;
}

.section-title{
  margin:0 0 18px;
  font-size:clamp(1.3rem, 2.2vw, 2rem);
  line-height:1.15;
}

.subtitle{
  color:var(--muted);
  font-size:1.03rem;
  line-height:1.7;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid transparent;
  font-weight:700;
  cursor:pointer;
  transition:.2s ease;
}

.btn-primary{
  background:linear-gradient(135deg, var(--primary), var(--primary-strong));
  color:#fff;
  box-shadow:0 10px 24px rgba(15,76,129,.20);
}

.btn-primary:hover{ transform:translateY(-1px); }

.btn-outline{
  border-color:#cfdcea;
  background:#fff;
  color:var(--primary-strong);
}

.btn-outline:hover{ background:#f7fafc; }

.section{ padding:18px 0 34px; }

.notice{
  margin-top:12px;
  border-radius:16px;
  padding:14px 16px;
  border:1px solid #dbe7f3;
  background:#f5f9fd;
  color:#23415f;
  line-height:1.55;
}

.notice-success{
  background:#f0fdf4;
  border-color:#bbf7d0;
  color:var(--success);
}

.notice-warning{
  background:#fffbeb;
  border-color:#fde68a;
  color:var(--warning);
}

.notice-error{
  background:#fef2f2;
  border-color:#fecaca;
  color:var(--danger);
}

.stat-list{
  display:grid;
  gap:14px;
  margin-top:18px;
}

.stat-item{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding-bottom:12px;
  border-bottom:1px solid #edf2f7;
}

.stat-item:last-child{
  border-bottom:none;
  padding-bottom:0;
}

.site-footer{
  border-top:1px solid rgba(219,228,238,.9);
  background:#fff;
  margin-top:24px;
}

.footer-row{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:var(--muted);
  font-size:.95rem;
}

.footer-dot{ margin:0 8px; }

/* =========================
   CATALOGO COMPACTO
========================= */

.catalog-section{
  padding-top:20px;
}

.catalog-toolbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin-bottom:24px;
  flex-wrap:wrap;
}

.catalog-summary{
  color:var(--muted);
  font-size:.96rem;
}

.catalog-compact-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:18px;
}

.compact-card{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:18px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  min-height:100%;
  box-shadow:0 8px 24px rgba(15, 23, 42, 0.06);
  transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.compact-card:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 28px rgba(15, 23, 42, 0.10);
  border-color:#d7dee8;
}

.compact-thumb-link{
  display:block;
}

.compact-thumb{
  width:100%;
  aspect-ratio: 1 / 1;   /* 🔥 cuadrado perfecto */
  padding:12px;
  border-radius:14px;
  background:#f8fafc;
  display:flex;
  align-items:center;
  justify-content:center;
  border-bottom:1px solid #edf2f7;
}

.compact-thumb img{
  width:78%;
  height:78%;
  object-fit:contain;
}

.compact-body{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:0 14px 14px;
  flex:1;
}

.compact-brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:24px;
}

.compact-brand{
  font-size:12px;
  font-weight:800;
  letter-spacing:.05em;
  color:#0f172a;
  text-transform:uppercase;
}

.compact-partner{
  width:24px;
  height:24px;
  flex:0 0 24px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  background:#f8fafc;
  border:1px solid #e5e7eb;
}

.compact-partner img{
  width:15px;
  height:15px;
  object-fit:contain;
}

.compact-title{
  margin:0;
  font-size:14px;
  line-height:1.4;
  font-weight:700;
  color:#0f172a;
  min-height:38px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.compact-title a{
  color:inherit;
  text-decoration:none;
}

.compact-description{
  color:#475569;
  font-size:12px;
  line-height:1.45;
  min-height:34px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.compact-flags{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:20px;
  margin-top:2px;
}

.compact-discount{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:20px;
  padding:0 7px;
  border-radius:6px;
  background:#06b6d4;
  color:#fff;
  font-size:10px;
  font-weight:800;
}

.compact-old-price{
  font-size:12px;
  color:#64748b;
  text-decoration:line-through;
}

.compact-price{
  font-size:17px;
  font-weight:800;
  color:#1e1b8f;
  line-height:1.1;
}

.compact-price-label{
  font-size:12px;
  color:#312e81;
  font-weight:600;
}

.compact-alt-price{
  font-size:14px;
  color:#0f172a;
  line-height:1.1;
  margin-top:2px;
}

.compact-alt-label{
  font-size:12px;
  color:#475569;
}

.compact-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:6px;
  flex-wrap:wrap;
}

.compact-stock{
  font-size:12px;
  color:#64748b;
}

.compact-note{
  margin-top:4px;
  padding:8px 10px;
  border-radius:10px;
  background:#fff7ed;
  border:1px solid #fed7aa;
  color:#9a3412;
  font-size:12px;
  font-weight:600;
}

.compact-actions{
  display:flex;
  gap:8px;
  margin-top:auto;
  padding-top:8px;
}

.compact-actions .btn{
  flex:1;
  min-height:40px;
  font-size:13px;
  border-radius:12px;
}

.stock-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:28px;
  padding:0 10px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:800;
  border:1px solid transparent;
}

.stock-ok{
  background:#ecfdf5;
  color:#166534;
  border-color:#bbf7d0;
}

.stock-low{
  background:#fff7ed;
  color:#9a3412;
  border-color:#fdba74;
}

.stock-empty{
  background:#fef2f2;
  color:#b91c1c;
  border-color:#fecaca;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 1280px){
  .catalog-compact-grid{
    grid-template-columns:repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1100px){
  .hero-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width: 900px){
  .catalog-compact-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px){
  .header-row,
  .footer-row{
    flex-direction:column;
    justify-content:center;
    padding:14px 0;
  }

  .main-nav{
    width:100%;
    justify-content:center;
  }

  .card{
    padding:22px;
  }

  .title{
    font-size:2rem;
  }

  .catalog-toolbar{
    align-items:flex-start;
  }
}

@media (max-width: 640px){
  .catalog-compact-grid{
    grid-template-columns:1fr;
  }

  .compact-thumb{
    height:150px;
  }
}