:root{
 --navy:#082b4d; --navy2:#0d416e; --green:#78b82a; --blue:#155cac;
 --ink:#0b1e34; --muted:#5d6875; --line:#e5e9ed; --white:#fff; --bg:#f7f8fa;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}.container{width:min(1460px,93%);margin:auto}
.topbar{background:#07283d;color:#fff;font-size:14px}
.topbar .container{height:38px;display:flex;justify-content:space-between;align-items:center}
.topbar .left,.topbar .right{display:flex;gap:28px;align-items:center}
.header{background:#fff;border-bottom:1px solid #edf0f3}
.nav{height:132px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:flex;align-items:center;gap:28px;min-width:400px}
.brand img{height:112px;width:auto;display:block}
.tagline{font-weight:700;font-style:italic;font-size:19px;line-height:1.2;max-width:255px}
.menu{display:flex;align-items:center;gap:35px;font-size:14px;font-weight:800}
.menu a{padding:18px 0;position:relative}
.menu a.active:after{content:"";position:absolute;left:0;right:0;bottom:6px;height:4px;background:#155cac;border-radius:2px}
.whatsapp{background:#1db954;color:#fff;padding:15px 20px!important;border-radius:7px}

.hero{position:relative;min-height:390px;background:
 linear-gradient(90deg,rgba(4,42,74,.97) 0%,rgba(6,53,91,.94) 34%,rgba(6,53,91,.5) 58%,rgba(0,0,0,.05) 100%),
 url('../img/hero-neumaticos.png') right center/cover no-repeat;color:#fff}
.hero .container{padding:54px 30px 82px}
.hero h1{font-size:46px;line-height:1.1;margin:0 0 18px;max-width:620px}
.greenline{width:86px;height:4px;background:var(--green);margin:22px 0}
.hero p{font-size:18px;line-height:1.45;max-width:630px;margin-bottom:28px}
.actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:7px;font-weight:800;font-size:14px}
.btn.primary{background:linear-gradient(#80bd30,#66a61f);color:#fff}
.btn.outline{border:1px solid #fff;color:#fff;background:#0d345aa8}

.cred{margin-top:-40px;position:relative;z-index:5}
.cred-inner{background:#fff;border-radius:14px;box-shadow:0 12px 30px rgba(19,46,75,.12);display:grid;grid-template-columns:repeat(5,1fr);overflow:hidden}
.cred-item{padding:22px 28px;display:flex;gap:18px;align-items:center;border-right:1px solid #e8ebee;min-height:104px}
.cred-item:last-child{border:0}.ico{font-size:34px;color:#155cac}.cred-item b{font-size:14px;line-height:1.5}

.products{padding:22px 0 16px;background:linear-gradient(#fff,#f7f8f9)}
.section-title{text-align:center;font-size:28px;margin:0 0 8px}
.section-underline{width:40px;height:3px;background:var(--green);margin:0 auto 14px}
.cards{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.card{background:#fff;border:1px solid #edf0f2;border-radius:14px;padding:19px 20px 20px;text-align:center;min-height:230px;box-shadow:0 8px 22px rgba(30,44,60,.05)}
.card .bigico{font-size:44px;color:#155cac;line-height:1;margin-bottom:16px}
.card h3{font-size:14px;line-height:1.25;min-height:38px;margin:0 0 12px}
.card p{font-size:14px;line-height:1.35;color:#323c47;min-height:58px;margin:0 0 17px}
.card a{font-size:14px;font-weight:800;color:#0755ab}

.quick{background:linear-gradient(100deg,#062c50,#0c4c7d);color:white;margin-top:0}
.quick .container{display:grid;grid-template-columns:repeat(4,1fr)}
.qitem{display:flex;align-items:center;gap:18px;padding:22px 28px;border-right:1px solid rgba(255,255,255,.25)}
.qitem:last-child{border-right:0}.qicon{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#1264a0;font-size:24px}
.qitem:nth-child(odd) .qicon{background:#6cab20}
.qitem b{display:block;font-size:17px}.qitem small{display:block;font-size:13px;margin:4px 0}.qitem a{color:#91cd3a;font-weight:700;font-size:13px}
footer{padding:30px 0;background:#061f34;color:#c7d3dc;font-size:13px}
footer .container{display:flex;justify-content:space-between;gap:20px}

@media(max-width:1100px){
 .brand{min-width:330px}.menu{gap:20px}.cards{grid-template-columns:repeat(3,1fr)}.cred-inner{grid-template-columns:repeat(2,1fr)}.cred-item{border-bottom:1px solid #e8ebee}
 .quick .container{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:800px){
 .topbar .right{display:none}.nav{height:auto;padding:14px 0;align-items:flex-start}.brand{min-width:auto}.brand img{height:88px}.tagline{display:none}.menu{flex-wrap:wrap;justify-content:flex-end}
 .menu a:not(.whatsapp){display:none}.hero{min-height:430px}.hero .container{padding:48px 0 90px}.hero h1{font-size:38px}.cred-inner{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr)}
 .quick .container{grid-template-columns:1fr}.qitem{border-right:0;border-bottom:1px solid rgba(255,255,255,.18)}
}
@media(max-width:520px){
 .container{width:92%}.topbar .left{gap:12px;font-size:12px}.brand img{height:76px}.hero h1{font-size:32px}.hero p{font-size:16px}.cards{grid-template-columns:1fr}
}

.cred-link{color:inherit;text-decoration:none;transition:.18s}
.cred-link:hover{background:#f6f9fc}
.quality-hero{padding:52px 0;background:linear-gradient(105deg,#072b4d,#0d4c7f);color:#fff}
.quality-hero h1{font-size:40px;margin:0 0 12px}
.quality-main{padding:48px 0 70px;background:#f7f8fa}
.quality-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.quality-card{background:#fff;border:1px solid #e6ebef;border-radius:14px;padding:28px;box-shadow:0 8px 24px rgba(17,44,72,.06)}
.quality-card h2{margin-top:0;color:#082b4d}
.policy-list{padding-left:20px;color:#374450;line-height:1.6}
.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cert{background:#fff;border:1px solid #e6ebef;border-radius:13px;padding:24px;text-align:center}
.cert .cert-mark{font-size:46px;font-weight:800;color:#155cac;margin-bottom:8px}
.cert h3{margin:8px 0 10px}.cert p{color:#5d6875;font-size:14px;min-height:42px}
.cert a{display:inline-block;margin-top:8px;padding:11px 15px;border-radius:7px;background:#155cac;color:#fff;font-weight:700;font-size:13px}
.cert a.secondary{background:#fff;color:#155cac;border:1px solid #155cac}
@media(max-width:850px){.quality-grid,.cert-grid{grid-template-columns:1fr}}

.catalog-hero{padding:48px 0 42px;background:linear-gradient(105deg,#062b4e,#0c4d7d);color:#fff}
.catalog-hero .eyeline{font-size:12px;font-weight:800;letter-spacing:.12em;color:#9bd04b;margin-bottom:8px}
.catalog-hero h1{font-size:40px;margin:0 0 10px}
.catalog-hero p{max-width:760px;color:#d8e5ee;font-size:16px}
.catalog-search-wrap{margin-top:22px}.catalog-search{width:min(650px,100%);padding:14px 17px;border-radius:9px;border:0;font-size:15px;outline:none}
.catalog-main{padding:35px 0 70px;background:#f6f8fa}
.catalog-toolbar{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:22px;color:#51606e}.catalog-toolbar a{color:#155cac;font-weight:700}
.family-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.family-card{background:#fff;border:1px solid #e4e9ee;border-radius:13px;padding:20px;box-shadow:0 7px 20px rgba(18,42,67,.05);scroll-margin-top:20px}
.family-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;border-bottom:1px solid #eef1f4;padding-bottom:12px;margin-bottom:12px}
.family-head h2{font-size:18px;line-height:1.25;margin:0;color:#082b4d}.count{background:#edf5fb;color:#155cac;border-radius:20px;padding:4px 9px;font-size:11px;font-weight:800}
.product-chips{display:flex;flex-direction:column;gap:7px}.product-chip{display:flex;justify-content:space-between;gap:12px;padding:9px 10px;border-radius:7px;background:#f8fafb;color:#263645;font-size:13px;border:1px solid #eef1f3}
.product-chip:hover{background:#edf5fb;color:#0754a7;border-color:#d7e7f5}.product-chip span{color:#155cac}.family-source{font-style:italic}
.no-results{display:none;background:#fff;border:1px solid #e3e8ed;border-radius:10px;padding:28px;text-align:center;color:#65717d}
@media(max-width:1000px){.family-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.family-grid{grid-template-columns:1fr}.catalog-toolbar{display:block}.catalog-toolbar a{display:block;margin-top:10px}.catalog-hero h1{font-size:32px}}

/* V5 - Hero con imagen de neumáticos suministrada por el usuario */
.hero{
  background:
    linear-gradient(90deg,rgba(4,42,74,.98) 0%,rgba(6,53,91,.94) 35%,rgba(6,53,91,.58) 55%,rgba(255,255,255,.03) 100%),
    url('../img/hero-neumaticos.png') right center / cover no-repeat;
}


/* V6 - Soporte técnico con bot/ventana de WhatsApp */
.support-whatsapp{position:relative;cursor:pointer}
.support-whatsapp:hover{background:#f3f9f5}
.wa-mini{
  position:absolute;
  right:12px;
  bottom:10px;
  display:inline-block;
  padding:3px 8px;
  border-radius:999px;
  background:#1fa855;
  color:#fff;
  font-size:10px;
  font-weight:800;
}
.wa-support-widget{
  position:fixed;
  inset:0;
  z-index:9999;
  display:none;
  align-items:flex-end;
  justify-content:flex-end;
  padding:24px;
  background:rgba(0,0,0,.08);
}
.wa-support-widget.show{display:flex}
.wa-support-card{
  width:min(355px,calc(100vw - 28px));
  background:#fff;
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 20px 55px rgba(0,0,0,.28);
  border:1px solid #dfe8e2;
}
.wa-support-head{
  display:flex;
  align-items:center;
  gap:11px;
  padding:15px 16px;
  background:#075e54;
  color:#fff;
}
.wa-support-head small{display:block;color:#d5f1e9;margin-top:2px}
.wa-support-head button{
  margin-left:auto;
  border:0;
  background:transparent;
  color:#fff;
  font-size:27px;
  line-height:1;
  cursor:pointer;
}
.wa-avatar{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;color:#075e54;font-weight:900;
}
.wa-support-body{
  padding:17px;
  background:#efeae2;
  min-height:170px;
}
.wa-bubble{
  max-width:88%;
  background:#fff;
  border-radius:8px;
  padding:10px 12px;
  margin-bottom:10px;
  color:#263238;
  font-size:14px;
  line-height:1.4;
  box-shadow:0 1px 2px rgba(0,0,0,.08);
}
.wa-support-send{
  display:block;
  margin:14px;
  padding:12px 14px;
  text-align:center;
  border-radius:9px;
  background:#25d366;
  color:white;
  font-weight:800;
}
@media(max-width:600px){
  .wa-support-widget{padding:14px}
}

.product-hero{padding:44px 0 38px;background:linear-gradient(105deg,#062b4e,#0d4d7d);color:#fff}.product-back{display:inline-block;color:#cfe3f2;font-size:13px;font-weight:700;margin-bottom:20px}.product-family{display:inline-block;padding:5px 10px;border-radius:999px;background:#79b928;color:#fff;font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.product-hero h1{font-size:42px;margin:12px 0}.product-hero p{font-size:17px;line-height:1.5;max-width:850px;color:#e4eef5}.product-main{padding:38px 0 70px;background:#f5f7f9}.product-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:26px;align-items:start}.product-section,.product-side{background:#fff;border:1px solid #e3e8ed;border-radius:14px;padding:26px;box-shadow:0 7px 22px rgba(17,42,67,.05);margin-bottom:20px}.product-section h2{margin:0 0 17px;color:#082b4d;font-size:23px;border-left:5px solid #79b928;padding-left:12px}.product-section p,.product-side p{color:#3e4d5b;line-height:1.65}.table-wrap{overflow-x:auto}.tech-table{width:100%;border-collapse:collapse;font-size:14px}.tech-table th,.tech-table td{padding:13px 15px;border-bottom:1px solid #e5eaee;text-align:left;vertical-align:top}.tech-table th{width:34%;background:#edf4f9;color:#082b4d;font-weight:800}.tech-table tr:nth-child(even) td{background:#fafbfc}.side-label{font-size:11px;letter-spacing:.1em;font-weight:900;color:#79b928;margin-bottom:8px}.product-side h3{font-size:20px;color:#082b4d;margin:0 0 10px}.btn.full{width:100%;justify-content:center;text-align:center}.btn.secondary{border:1px solid #155cac;color:#155cac;background:#fff}@media(max-width:850px){.product-layout{grid-template-columns:1fr}.product-hero h1{font-size:34px}}

/* V12 - Catálogo simplificado en 8 familias */
.family-intro{text-align:center;max-width:760px;margin:0 auto 24px;color:#596774}.cards-eight{grid-template-columns:repeat(4,1fr)}.cards-eight .card{min-height:235px}.mega-family-list{display:flex;flex-direction:column;gap:22px}.mega-family{background:#fff;border:1px solid #e1e7ec;border-radius:16px;padding:25px;box-shadow:0 8px 24px rgba(17,42,67,.055);scroll-margin-top:20px}.mega-family-head{display:grid;grid-template-columns:54px 1fr auto;gap:16px;align-items:center;border-bottom:1px solid #e9edf1;padding-bottom:18px;margin-bottom:20px}.mega-family-head h2{margin:0 0 5px;color:#082b4d;font-size:24px}.mega-family-head p{margin:0;color:#60707e;line-height:1.45}.mega-icon{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;background:#edf5fb;color:#155cac;font-size:27px;font-weight:800}.subfamily-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.subfamily{background:#f8fafb;border:1px solid #e8edf1;border-radius:11px;padding:16px}.subfamily h3{margin:0 0 11px;color:#155cac;font-size:15px}.subfamily .product-chip{background:#fff}@media(max-width:1050px){.cards-eight{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.subfamily-grid{grid-template-columns:1fr}.mega-family-head{grid-template-columns:48px 1fr}.mega-family-head .count{display:none}}@media(max-width:600px){.cards-eight{grid-template-columns:1fr}}