/* ═══════════ MOTORRECAMBIOS24 — STYLES ═══════════ */
:root{
  --negro:#0a0a0a;
  --gris-osc:#1a1a1a;
  --gris:#242424;
  --gris-claro:#f5f5f7;
  --borde:#e5e5ea;
  --rojo:#e11d2a;
  --rojo-osc:#b91622;
  --azul:#2563eb;
  --naranja:#ff9500;
  --texto:#1a1a1a;
  --texto-sec:#6a6a6f;
  --texto-mute:#8a8a8f;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',system-ui,sans-serif;color:var(--texto);background:#fff;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;}
h1,h2,h3,h4{font-family:'Archivo',sans-serif;letter-spacing:-.5px;}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:14px 28px;border-radius:10px;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s,background .2s;font-family:'Inter',sans-serif;}
.btn-red{background:var(--rojo);color:#fff;box-shadow:0 6px 20px rgba(225,29,42,.3);}
.btn-red:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(225,29,42,.4);color:#fff;}
.btn-outline{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.2);}
.btn-outline:hover{background:rgba(255,255,255,.15);border-color:var(--rojo);color:#fff;}
.btn-white{background:#fff;color:var(--rojo);}
.btn-white:hover{transform:translateY(-2px);color:var(--rojo);}

/* ═══ HEADER ═══ */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);}
.header-top{background:var(--negro);color:rgba(255,255,255,.75);font-size:12.5px;padding:8px 0;}
.header-top-inner{display:flex;justify-content:space-between;align-items:center;}
.header-main{border-bottom:1px solid var(--borde);}
.header-main-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:24px;}
.logo{display:flex;align-items:center;gap:8px;font-family:'Archivo',sans-serif;font-weight:900;font-size:22px;color:var(--negro);letter-spacing:-1px;flex-shrink:0;}
.logo-icon{font-size:26px;}
.logo-accent{color:var(--rojo);}
.main-nav{display:flex;gap:4px;align-items:center;}
.main-nav a{font-size:14.5px;font-weight:600;color:var(--texto);padding:8px 14px;border-radius:8px;transition:background .15s,color .15s;}
.main-nav a:hover{background:var(--gris-claro);color:var(--rojo);}
.main-nav a.active{color:var(--rojo);}
.main-nav a.nav-offer{color:var(--rojo);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:8px;}
.header-search-btn,.hamburger{background:var(--gris-claro);border:none;width:42px;height:42px;border-radius:10px;font-size:18px;cursor:pointer;transition:background .15s;}
.header-search-btn:hover{background:#e8e8ed;}
.hamburger{display:none;}

/* ═══ HERO ═══ */
.hero{background:linear-gradient(135deg,#0a0a0a 0%,#1a1a1a 55%,#242424 100%);position:relative;overflow:hidden;}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:44px 44px;z-index:0;}
.hero-glow-red{position:absolute;top:-15%;right:-5%;width:55%;height:70%;background:radial-gradient(ellipse,rgba(225,29,42,.18),transparent 65%);z-index:1;pointer-events:none;}
.hero-glow-blue{position:absolute;bottom:-20%;left:-10%;width:50%;height:60%;background:radial-gradient(ellipse,rgba(37,99,235,.12),transparent 65%);z-index:1;pointer-events:none;}
.hero-inner{position:relative;z-index:3;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:72px 24px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(225,29,42,.12);border:1px solid rgba(225,29,42,.35);border-radius:30px;padding:7px 16px;font-size:12px;color:#ff5a5a;font-weight:600;letter-spacing:.4px;margin-bottom:22px;}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--rojo);box-shadow:0 0 8px var(--rojo);}
.hero h1{font-size:50px;font-weight:900;color:#fff;line-height:1.08;margin-bottom:18px;letter-spacing:-1.5px;}
.hero h1 .accent{color:var(--rojo);}
.hero-sub{font-size:18px;color:rgba(255,255,255,.6);line-height:1.7;max-width:540px;margin-bottom:30px;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.hero-stats{display:flex;gap:36px;}
.hero-stat{display:flex;flex-direction:column;}
.hero-stat strong{font-family:'Archivo',sans-serif;font-size:28px;font-weight:800;color:#fff;line-height:1;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.5);margin-top:4px;}
.hero-visual{position:relative;height:340px;display:flex;align-items:center;justify-content:center;}
.hero-visual-card{width:180px;height:180px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:24px;display:flex;align-items:center;justify-content:center;position:relative;backdrop-filter:blur(8px);}
.hvc-icon{font-size:80px;position:relative;z-index:2;}
.hero-visual-card.hvc-2{position:absolute;bottom:20px;right:20px;width:130px;height:130px;background:rgba(225,29,42,.15);border-color:rgba(225,29,42,.3);}
.hero-visual-card.hvc-2 .hvc-icon{font-size:58px;}
.hvc-pulse{position:absolute;inset:0;border-radius:24px;border:2px solid var(--rojo);opacity:0;animation:pulse-ring 2.5s infinite;}
@keyframes pulse-ring{0%{transform:scale(1);opacity:.6;}100%{transform:scale(1.15);opacity:0;}}

/* ═══ BUSCADOR ═══ */
.search-section{background:var(--gris-osc);padding:0 0 40px;margin-top:-1px;}
.search-box{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:24px;backdrop-filter:blur(8px);transform:translateY(-30px);}
.search-title{font-size:13px;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px;}
.search-grid{display:grid;grid-template-columns:repeat(5,1fr) auto;gap:10px;margin-bottom:16px;}
.search-grid select{height:46px;background:rgba(255,255,255,.92);border:none;border-radius:8px;padding:0 12px;font-size:13.5px;color:var(--texto);outline:none;font-family:'Inter',sans-serif;cursor:pointer;}
.search-submit{height:46px;white-space:nowrap;}
.search-oem{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);}
.search-oem span{font-size:13px;color:rgba(255,255,255,.6);font-weight:600;}
.search-oem input{flex:1;min-width:180px;height:42px;background:rgba(255,255,255,.92);border:none;border-radius:8px;padding:0 14px;font-size:14px;outline:none;}
.btn-oem{background:var(--azul);color:#fff;border:none;height:42px;padding:0 20px;border-radius:8px;font-size:13.5px;font-weight:700;cursor:pointer;transition:opacity .2s;}
.btn-oem:hover{opacity:.9;}

/* ═══ TRUST BAR ═══ */
.trust-bar{background:var(--gris-claro);border-bottom:1px solid var(--borde);}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);}
.trust-item{display:flex;align-items:center;gap:12px;padding:20px 24px;border-right:1px solid var(--borde);}
.trust-item:last-child{border-right:none;}
.ti-icon{font-size:24px;}
.trust-item strong{display:block;font-size:14px;color:var(--texto);}
.trust-item small{font-size:12px;color:var(--texto-mute);}

/* ═══ SECTIONS ═══ */
.section{padding:64px 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:32px;flex-wrap:wrap;gap:12px;}
.section-head.center{justify-content:center;text-align:center;}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--rojo);text-transform:uppercase;display:block;margin-bottom:8px;}
.eyebrow.accent-red{color:#ff5a5a;}
.section-head h2{font-size:30px;font-weight:800;color:var(--negro);}
.section-head h2.white{color:#fff;}
.section-link{font-size:14px;font-weight:700;color:var(--rojo);transition:gap .2s;}
.section-link:hover{text-decoration:underline;}

/* CATEGORÍAS */
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.cat-card{background:var(--gris-claro);border:1px solid #e9e9ee;border-radius:14px;padding:22px 14px;text-align:center;transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:10px;}
.cat-card:hover{background:var(--negro);border-color:var(--negro);transform:translateY(-3px);}
.cat-card:hover span:last-child{color:#fff;}
.cat-card:hover .cat-icon{transform:scale(1.12);}
.cat-icon{font-size:32px;transition:transform .2s;}
.cat-card span:last-child{font-size:12.5px;font-weight:600;color:var(--texto);line-height:1.3;transition:color .2s;}

/* PRODUCTOS */
.products-section{background:var(--gris-claro);}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.product{background:#fff;border:1px solid #e9e9ee;border-radius:14px;overflow:hidden;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;}
.product:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1);}
.product-img{position:relative;aspect-ratio:1/1;background:#fff;padding:20px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid #f0f0f0;}
.product-img img{max-width:100%;max-height:100%;object-fit:contain;}
.product-badge{position:absolute;top:12px;left:12px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:6px;color:#fff;}
.badge-red{background:var(--rojo);}
.badge-blue{background:var(--azul);}
.badge-green{background:#16a34a;}
.product-disc{position:absolute;top:12px;right:12px;background:var(--negro);color:#fff;font-size:12px;font-weight:800;padding:5px 9px;border-radius:6px;}
.product-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.product-brand{font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--texto-mute);}
.product-name{font-size:14.5px;font-weight:600;color:var(--texto);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px;}
.product-stars{color:var(--naranja);font-size:13px;letter-spacing:1px;}
.product-stars small{color:var(--texto-mute);font-size:12px;margin-left:4px;}
.product-price{display:flex;align-items:baseline;gap:8px;margin-top:auto;}
.price-now{font-family:'Archivo',sans-serif;font-size:22px;font-weight:800;color:var(--negro);}
.price-old{font-size:14px;color:#b0b0b5;text-decoration:line-through;}
.product-btn{background:var(--naranja);color:var(--negro);text-align:center;font-weight:700;padding:11px;border-radius:9px;font-size:14px;display:flex;align-items:center;justify-content:center;gap:7px;transition:background .2s;margin-top:4px;}
.product-btn:hover{background:#ff8000;color:var(--negro);}

/* OFERTA BANNER */
.offer-banner{background:linear-gradient(135deg,var(--rojo),var(--rojo-osc));padding:44px 0;}
.offer-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;}
.offer-inner h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:6px;}
.offer-inner p{font-size:16px;color:rgba(255,255,255,.85);}

/* MARCAS */
.brands-section{background:var(--negro);}
.brand-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.brand{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:22px 12px;text-align:center;font-family:'Archivo',sans-serif;font-size:16px;font-weight:800;color:rgba(255,255,255,.55);letter-spacing:-.3px;transition:all .2s;}
.brand:hover{background:rgba(225,29,42,.1);border-color:var(--rojo);color:#fff;}

/* GUÍAS */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.guide-card{background:#fff;border:1px solid #e9e9ee;border-radius:14px;overflow:hidden;transition:transform .2s,box-shadow .2s;}
.guide-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.08);}
.guide-img{height:170px;background:linear-gradient(135deg,var(--gris),var(--negro));display:flex;align-items:center;justify-content:center;font-size:44px;position:relative;}
.guide-tag{position:absolute;top:12px;left:12px;background:var(--rojo);color:#fff;font-size:11px;font-weight:700;padding:4px 10px;border-radius:6px;}
.guide-body{padding:20px;}
.guide-body h3{font-size:16px;font-weight:700;color:var(--negro);line-height:1.35;margin-bottom:8px;}
.guide-body p{font-size:13.5px;color:var(--texto-sec);line-height:1.6;margin-bottom:12px;}
.guide-link{font-size:13px;font-weight:700;color:var(--rojo);}

/* FAQ */
.faq-section{background:var(--gris-claro);}
.faq-container{max-width:840px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid #e9e9ee;border-radius:12px;overflow:hidden;}
.faq-q{padding:20px 24px;font-size:15.5px;font-weight:700;color:var(--negro);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;user-select:none;}
.faq-q:hover{color:var(--rojo);}
.faq-ico{font-size:22px;color:var(--rojo);transition:transform .2s;line-height:1;}
.faq-a{padding:0 24px 20px;font-size:14.5px;color:var(--texto-sec);line-height:1.75;display:none;}
.faq-item.open .faq-a{display:block;}
.faq-item.open .faq-ico{transform:rotate(45deg);}
.faq-item.open .faq-q{color:var(--rojo);}

/* NEWSLETTER */
.newsletter{background:var(--negro);padding:56px 0;text-align:center;}
.newsletter h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:10px;}
.newsletter p{font-size:15px;color:rgba(255,255,255,.55);margin-bottom:28px;max-width:480px;margin-left:auto;margin-right:auto;}
.newsletter-form{display:flex;gap:0;max-width:440px;margin:0 auto;}
.newsletter-form input{flex:1;height:50px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-right:none;border-radius:10px 0 0 10px;padding:0 18px;font-size:14px;color:#fff;outline:none;}
.newsletter-form input::placeholder{color:rgba(255,255,255,.35);}
.newsletter-form .btn{border-radius:0 10px 10px 0;box-shadow:none;}

/* ═══ FOOTER ═══ */
.site-footer{background:#050505;color:rgba(255,255,255,.7);}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:56px 24px 40px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.5);line-height:1.7;margin-bottom:20px;max-width:300px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{width:40px;height:40px;background:rgba(255,255,255,.08);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;transition:background .2s;}
.footer-social a:hover{background:var(--rojo);}
.footer-col h4{font-family:'Archivo',sans-serif;font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.55);padding:6px 0;transition:color .15s;}
.footer-col a:hover{color:var(--rojo);}
.footer-col p{font-size:13.5px;color:rgba(255,255,255,.5);margin-bottom:14px;line-height:1.6;}
.footer-news{display:flex;gap:0;}
.footer-news input{flex:1;height:44px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-right:none;border-radius:9px 0 0 9px;padding:0 14px;font-size:14px;color:#fff;outline:none;}
.footer-news button{background:var(--rojo);color:#fff;border:none;width:48px;border-radius:0 9px 9px 0;font-size:18px;cursor:pointer;}
.footer-affiliate{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;}
.footer-affiliate p{font-size:12px;color:rgba(255,255,255,.4);line-height:1.7;text-align:center;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.4);flex-wrap:wrap;gap:8px;}

/* ═══ BREADCRUMBS (para otras páginas) ═══ */
.breadcrumbs{background:var(--gris-claro);padding:14px 0;border-bottom:1px solid var(--borde);}
.breadcrumbs-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--texto-mute);}
.breadcrumbs a{color:var(--texto-mute);}
.breadcrumbs a:hover{color:var(--rojo);}
.breadcrumbs .sep{opacity:.5;}
.breadcrumbs .current{color:var(--texto);font-weight:600;}
.page-hero{background:linear-gradient(135deg,#0a0a0a,#1a1a1a);padding:48px 0;text-align:center;}
.page-hero h1{font-size:38px;color:#fff;font-weight:800;margin-bottom:10px;}
.page-hero p{font-size:16px;color:rgba(255,255,255,.6);max-width:600px;margin:0 auto;}

/* ═══ RESPONSIVE ═══ */
@media(max-width:1080px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:12px;box-shadow:0 8px 24px rgba(0,0,0,.1);gap:2px;}
  .site-header.menu-open .main-nav{display:flex;}
  .main-nav a{padding:12px 16px;}
  .hamburger{display:block;}
  .hero-inner{grid-template-columns:1fr;}
  .hero-visual{display:none;}
  .search-grid{grid-template-columns:1fr 1fr 1fr;}
  .search-submit{grid-column:1/-1;}
  .cat-grid{grid-template-columns:repeat(4,1fr);}
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .brand-grid{grid-template-columns:repeat(4,1fr);}
  .guide-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:680px){
  .header-top{display:none;}
  .hero h1{font-size:34px;}
  .hero-stats{gap:24px;}
  .search-grid{grid-template-columns:1fr;}
  .trust-inner{grid-template-columns:1fr 1fr;}
  .trust-item:nth-child(2){border-right:none;}
  .cat-grid{grid-template-columns:1fr 1fr;}
  .product-grid{grid-template-columns:1fr;}
  .brand-grid{grid-template-columns:repeat(3,1fr);}
  .section-head h2{font-size:24px;}
  .offer-inner{flex-direction:column;text-align:center;}
  .footer-inner{grid-template-columns:1fr;}
  .footer-bottom-inner{flex-direction:column;text-align:center;}
  .newsletter-form{flex-direction:column;gap:10px;}
  .newsletter-form input{border-right:1px solid rgba(255,255,255,.15);border-radius:10px;}
  .newsletter-form .btn{border-radius:10px;justify-content:center;}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}}