:root{
  --charcoal-950:#17181A;
  --charcoal-900:#202226;
  --charcoal-800:#2D2D2D;
  --gray-mid:#6E6E72;
  --gray-line:#E3E4E6;
  --gray-bg:#F4F4F5;
  --white:#FFFFFF;
  --orange:#FF8500;
  --orange-dark:#E06F00;
  --orange-dim:rgba(255,133,0,.12);
  --green:#21B573;
  --red:#D64545;
  --carbon:#1C1C1E;
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --radius:8px;
  --max:1180px;
}
*{box-sizing:border-box;}
body{margin:0;font-family:var(--font-body);color:var(--carbon);background:var(--white);-webkit-font-smoothing:antialiased;}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--font-display);margin:0;letter-spacing:-0.01em;}
p{margin:0;line-height:1.6;}
ul{margin:0;padding:0;list-style:none;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px;}

.btn{font-family:var(--font-body);font-weight:600;font-size:14.5px;border:none;border-radius:var(--radius);
  padding:13px 24px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  text-decoration:none;transition:transform .15s ease, box-shadow .15s ease, background .15s ease;}
.btn-primary{background:var(--orange);color:var(--white);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,133,0,.5);}
.btn-outline{background:transparent;color:var(--charcoal-900);border:1px solid var(--gray-line);}
.btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);}
.btn-block{width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;}
a.btn:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}

/* ================= HEADER / NAV ================= */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--gray-line);}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;}
.nav-links{display:flex;gap:32px;align-items:center;}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--charcoal-700,#3D3E42);}
.nav-links a:hover{color:var(--orange-dark);}
.nav-actions{display:flex;align-items:center;gap:20px;}
.cart-link{position:relative;display:flex;}
.cart-link svg{width:24px;height:24px;stroke:var(--charcoal-900);}
.cart-count{position:absolute;top:-8px;right:-10px;background:var(--orange);color:#fff;font-size:11px;font-weight:700;
  width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;}

/* ================= HERO ================= */
.hero{position:relative;background:radial-gradient(1000px 480px at 80% -10%, rgba(255,133,0,.10), transparent 60%), var(--charcoal-950);color:var(--white);overflow:hidden;padding:110px 0;text-align:left;}
.hero-inner{position:relative;z-index:2;max-width:640px;}
.eyebrow{font-family:var(--font-body);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--orange);transform:rotate(45deg);}
.hero h1{font-size:clamp(32px,4.4vw,50px);line-height:1.12;margin:16px 0 18px;color:var(--white);}
.hero h1 .accent{color:var(--orange);}
.hero .sub{font-size:17px;color:#B9BABD;max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ================= SECTIONS ================= */
section{padding:88px 0;}
.section-head{max-width:600px;margin:0 auto 48px;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-top:12px;color:var(--charcoal-950);}
.section-head p{color:var(--gray-mid);margin-top:12px;font-size:16px;}

/* ================= PRODUCT GRID / CARDS ================= */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.product-card{border:1px solid var(--gray-line);border-radius:var(--radius);overflow:hidden;background:var(--white);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;display:flex;flex-direction:column;}
.product-card:hover{transform:translateY(-4px);box-shadow:0 20px 36px -26px rgba(20,20,22,.3);border-color:var(--orange);}
.product-card .img-wrap{aspect-ratio:1/1;background:var(--gray-bg);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.product-card img{width:100%;height:100%;object-fit:cover;}
.product-card .info{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.product-card .cat{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--orange-dark);font-weight:600;}
.product-card h3{font-size:15.5px;line-height:1.35;color:var(--charcoal-950);font-weight:600;font-family:var(--font-body);}
.product-card .price{font-family:var(--font-display);font-size:19px;font-weight:700;color:var(--charcoal-950);margin-top:auto;}
.product-card .stock-low{font-size:12px;color:var(--red);}
.badge-destacado{position:relative;}
.badge-destacado::before{content:"Destacado";position:absolute;top:10px;left:10px;background:var(--orange);color:#fff;
  font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:4px 10px;border-radius:20px;z-index:2;}

/* ================= CATALOGO ================= */
.catalogo-layout{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:start;}
.filtros h3{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--gray-mid);margin-bottom:16px;}
.filtros ul li{margin-bottom:10px;}
.filtros a{font-size:14.5px;color:var(--charcoal-800);}
.filtros a.active, .filtros a:hover{color:var(--orange-dark);font-weight:600;}

/* ================= PRODUCTO DETALLE ================= */
.producto-detalle{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.producto-detalle .img-wrap{border:1px solid var(--gray-line);border-radius:var(--radius);overflow:hidden;background:var(--gray-bg);aspect-ratio:1/1;}
.producto-detalle .img-wrap img{width:100%;height:100%;object-fit:cover;}
.producto-detalle h1{font-size:28px;margin:10px 0 14px;color:var(--charcoal-950);}
.producto-detalle .price{font-family:var(--font-display);font-size:32px;font-weight:700;color:var(--orange-dark);margin-bottom:20px;}
.producto-detalle .desc{color:var(--gray-mid);font-size:15px;margin-bottom:28px;}
.qty-form{display:flex;gap:12px;align-items:center;margin-bottom:16px;}
.qty-form input[type=number]{width:80px;padding:11px;border:1px solid var(--gray-line);border-radius:6px;font-size:15px;}
.stock-info{font-size:13.5px;color:var(--gray-mid);margin-bottom:20px;}
.stock-info.low{color:var(--red);}

/* ================= TESTIMONIOS / CONFIANZA ================= */
.confianza{background:var(--charcoal-950);color:var(--white);}
.confianza .section-head h2{color:var(--white);}
.confianza .section-head p{color:#9EA0A4;}
.testimonials{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.testimonial{background:var(--charcoal-900);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:28px 26px;}
.testimonial p.quote{font-size:15.5px;line-height:1.6;color:#D7D8DA;margin-bottom:16px;}
.testimonial cite{font-style:normal;font-size:12.5px;color:var(--orange);}

/* ================= SOBRE NOSOTROS ================= */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:20px;}
.why-item{text-align:center;padding:26px 18px;border:1px solid var(--gray-line);border-radius:var(--radius);}
.why-item .mark{color:var(--orange);font-size:26px;margin-bottom:10px;font-family:var(--font-display);}
.why-item strong{display:block;font-size:15px;margin-bottom:6px;}
.why-item span{font-size:13.5px;color:var(--gray-mid);}

/* ================= CARRITO ================= */
.cart-table{width:100%;border-collapse:collapse;}
.cart-table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--gray-mid);
  padding:0 0 14px;border-bottom:1px solid var(--gray-line);}
.cart-table td{padding:18px 0;border-bottom:1px solid var(--gray-line);vertical-align:middle;}
.cart-item-info{display:flex;align-items:center;gap:14px;}
.cart-item-info img{width:64px;height:64px;object-fit:cover;border-radius:6px;background:var(--gray-bg);}
.cart-item-info span{font-size:14.5px;font-weight:500;}
.qty-input{width:64px;padding:8px;border:1px solid var(--gray-line);border-radius:6px;}
.remove-link{color:var(--red);font-size:13px;}
.cart-summary{max-width:360px;margin-left:auto;margin-top:24px;border:1px solid var(--gray-line);border-radius:var(--radius);padding:24px;}
.cart-summary .row{display:flex;justify-content:space-between;margin-bottom:12px;font-size:15px;}
.cart-summary .row.total{font-weight:700;font-size:19px;border-top:1px solid var(--gray-line);padding-top:14px;margin-top:14px;}
.cart-empty{text-align:center;padding:60px 0;color:var(--gray-mid);}

/* ================= FORMS (checkout, contacto) ================= */
.form-card{max-width:640px;margin:0 auto;border:1px solid var(--gray-line);border-radius:var(--radius);padding:40px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--gray-mid);margin-bottom:7px;font-weight:600;}
input, select, textarea{width:100%;font-family:var(--font-body);font-size:14.5px;color:var(--carbon);
  border:1px solid var(--gray-line);border-radius:6px;padding:12px 14px;background:var(--white);}
textarea{resize:vertical;min-height:100px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.payment-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:24px;}
.payment-option{border:1px solid var(--gray-line);border-radius:var(--radius);padding:18px;cursor:pointer;text-align:center;transition:border-color .15s ease;}
.payment-option:hover{border-color:var(--orange);}
.payment-option input{width:auto;display:inline-block;margin-right:8px;}
.form-note{font-size:12.5px;color:var(--gray-mid);margin-top:12px;}
.form-note.sent{color:var(--green);font-weight:600;}
.form-note.error{color:var(--red);font-weight:600;}

.alert{padding:14px 18px;border-radius:6px;font-size:14.5px;margin-bottom:20px;}
.alert-success{background:rgba(33,181,115,.1);color:#178457;border:1px solid rgba(33,181,115,.3);}
.alert-error{background:rgba(214,69,69,.08);color:var(--red);border:1px solid rgba(214,69,69,.3);}

/* ================= FOOTER ================= */
.site-footer{background:var(--charcoal-950);color:#9EA0A4;padding:44px 0 26px;}
.footer-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:20px;}
.footer-links{display:flex;gap:26px;}
.footer-links a{font-size:14px;color:#9EA0A4;}
.footer-links a:hover{color:var(--orange);}
.footer-bottom{display:flex;justify-content:space-between;font-size:12.5px;color:#68696D;flex-wrap:wrap;gap:10px;}

/* ================= RESPONSIVE ================= */
@media (max-width:1000px){
  .product-grid{grid-template-columns:repeat(3,1fr);}
  .catalogo-layout{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:800px){
  .producto-detalle{grid-template-columns:1fr;}
  .testimonials{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .nav-links{position:absolute;top:76px;left:0;right:0;background:var(--white);flex-direction:column;align-items:flex-start;
    padding:20px 32px;gap:16px;display:none;border-bottom:1px solid var(--gray-line);}
  .nav-links.open{display:flex;}
  .nav-toggle{display:block;}
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:1fr 1fr;}
  .payment-options{grid-template-columns:1fr;}
  section{padding:56px 0;}
}
@media (max-width:480px){
  .product-grid{grid-template-columns:1fr;}
}