:root{
  --navy:#0F2B48;      /* Azul Industrial */
  --navy-2:#0A1F35;
  --steel:#2C5E8A;     /* Azul Acero */
  --steel-l:#4C86BC;
  --gray:#5A6B7C;      /* Gris Técnico */
  --line:#DCE3EA;
  --bg-alt:#F3F6F9;
  --white:#FFFFFF;
  --wa:#25D366;
  --wa-d:#1DA851;
  --err:#C0392B;
  --r:12px;
  --shadow:0 10px 30px rgba(15,43,72,.12);
  --head:'Montserrat',system-ui,sans-serif;
  --body:'Roboto','Open Sans',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--body);color:var(--navy);background:var(--white);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--head);margin:0;line-height:1.15}
svg{width:1em;height:1em;flex:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
[hidden]{display:none!important}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--head);font-weight:700;font-size:15px;letter-spacing:.02em;padding:14px 24px;border-radius:10px;border:2px solid transparent;text-decoration:none;cursor:pointer;transition:background .2s,transform .15s,border-color .2s,color .2s}
.btn:active{transform:translateY(1px)}
.btn svg{width:20px;height:20px}
.btn-sm{padding:10px 16px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--steel);color:#fff}
.btn-primary:hover{background:var(--navy)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-link{color:#fff;padding-left:8px;padding-right:8px}
.btn-link:hover{text-decoration:underline}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--bg-alt)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:var(--wa-d)}
.link-btn{background:none;border:0;color:var(--steel);font-weight:700;cursor:pointer;font-size:13px;padding:0}
.link-btn:hover{text-decoration:underline}

.eyebrow{display:inline-block;font-family:var(--head);font-weight:700;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#9CC3E8;margin-bottom:14px}
.eyebrow.dark{color:var(--steel)}

/* Topbar + header */
.topbar{background:var(--navy-2);color:#C7D3DF;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:12px}
.topbar b{color:#fff}
.topbar-wa{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:#fff;font-weight:500}
.topbar-wa svg{color:var(--wa);width:16px;height:16px}
.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:44px;height:auto}
.brand-txt{display:flex;flex-direction:column;font-family:var(--head);line-height:1.1}
.brand-txt b{font-size:17px;font-weight:800;letter-spacing:.01em}
.brand-txt small{font-size:11px;color:var(--gray);font-weight:600;letter-spacing:.08em}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{text-decoration:none;font-family:var(--head);font-weight:600;font-size:14px;color:var(--navy)}
.nav a:hover{color:var(--steel)}
.header-actions{display:flex;align-items:center;gap:10px}
.cart-btn{position:relative;display:inline-flex;align-items:center;gap:8px;background:var(--bg-alt);border:1px solid var(--line);color:var(--navy);border-radius:10px;padding:9px 14px;font-family:var(--head);font-weight:700;font-size:14px;cursor:pointer}
.cart-btn:hover{border-color:var(--steel)}
.cart-btn svg{width:20px;height:20px}
.cart-count{min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--steel);color:#fff;font-size:12px;display:inline-grid;place-items:center}
.cart-count.bump{animation:bump .4s}
@keyframes bump{40%{transform:scale(1.35)}}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 15% 0%,#1d4670 0%,transparent 60%),linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:64px 0 72px}
.hero-bg{position:absolute;right:-120px;top:-60px;width:620px;opacity:.05;pointer-events:none}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.hero-copy{padding-top:24px}
.hero h1{font-size:clamp(34px,4.6vw,56px);font-weight:800;letter-spacing:-.01em;text-transform:uppercase}
.hero h1 span{color:#9CC3E8}
.lead{font-size:18px;color:#D2DEEA;margin:22px 0 26px;max-width:540px}
.lead b{color:#fff}
.hero-checks{list-style:none;padding:0;margin:0 0 34px;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;max-width:520px}
.hero-checks li{position:relative;padding-left:28px;font-size:15px;color:#E4ECF4}
.hero-checks li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--steel) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.hero-ctas{display:flex;gap:10px;flex-wrap:wrap}

/* Formulario */
.quote-card{background:#fff;color:var(--navy);border-radius:16px;padding:28px;box-shadow:0 30px 60px rgba(0,0,0,.35);border-top:5px solid var(--steel)}
.quote-head h2{font-size:22px;font-weight:800}
.quote-head p{margin:6px 0 18px;color:var(--gray);font-size:14px}
.field{margin:0 0 14px;border:0;padding:0;min-width:0}
.field label,.field legend{display:block;font-weight:500;font-size:13px;margin-bottom:6px;padding:0}
.field em{font-style:normal;color:var(--gray);font-weight:400}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field input,.field textarea,.search{width:100%;font:inherit;font-size:15px;color:var(--navy);padding:11px 13px;border:1.5px solid var(--line);border-radius:9px;background:#fff;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:76px}
.field input:focus,.field textarea:focus,.search:focus{outline:0;border-color:var(--steel);box-shadow:0 0 0 3px rgba(44,94,138,.15)}
.field input.invalid,.type-pick.invalid .type-opt span{border-color:var(--err)}
.type-pick{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.type-opt{cursor:pointer;margin:0!important}
.type-opt input{position:absolute;opacity:0;pointer-events:none}
.type-opt span{display:flex;align-items:center;gap:10px;height:100%;padding:12px;border:1.5px solid var(--line);border-radius:9px;font-weight:500;font-size:14px;line-height:1.25;transition:all .2s}
.type-opt svg{width:26px;height:26px;color:var(--steel)}
.type-opt:hover span{border-color:var(--steel-l)}
.type-opt input:checked+span{border-color:var(--steel);background:#EAF2FA;box-shadow:inset 0 0 0 1px var(--steel)}
.type-opt input:focus-visible+span{box-shadow:0 0 0 3px rgba(44,94,138,.3)}
.form-error{color:var(--err);font-size:13px;margin:0 0 12px;font-weight:500}
.form-note{text-align:center;font-size:12px;color:var(--gray);margin:10px 0 0}
.quote-items{background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:16px}
.quote-items-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:500}
.quote-items ul{list-style:none;margin:8px 0 0;padding:0;max-height:120px;overflow:auto;font-size:13px;color:var(--gray)}
.quote-items li{display:flex;justify-content:space-between;gap:10px;padding:3px 0;border-top:1px dashed var(--line)}
.quote-items li b{color:var(--navy);font-weight:500}

/* Stats */
.stats{background:var(--steel);color:#fff}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stats-in div{padding:26px 10px;border-right:1px solid rgba(255,255,255,.15)}
.stats-in div:last-child{border-right:0}
.stats b{display:block;font-family:var(--head);font-size:34px;font-weight:800}
.stats span{font-size:14px;color:#DDE9F5}

/* Secciones */
.section{padding:88px 0}
.section.alt{background:var(--bg-alt)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);font-weight:800}
.sec-head p{color:var(--gray);max-width:560px;margin:12px 0 0;font-size:16px}
.sec-head.center{justify-content:center;text-align:center}
.sec-head.center p{margin-left:auto;margin-right:auto}
.center-cta{text-align:center;margin-top:40px}

/* Catálogo */
.cat-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.tabs{display:inline-flex;background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;padding:4px}
.tab{border:0;background:none;font-family:var(--head);font-weight:700;font-size:14px;color:var(--gray);padding:9px 16px;border-radius:7px;cursor:pointer}
.tab.is-active{background:var(--navy);color:#fff}
.search{width:220px;padding:10px 13px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;transition:box-shadow .2s,transform .2s,border-color .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#C5D3E0}
.card-media{position:relative;aspect-ratio:16/10;display:grid;place-items:center;background:linear-gradient(145deg,#F4F7FA,#E3EAF1);color:var(--navy)}
.card-media svg{width:38%;height:auto;aspect-ratio:1}
.card-tag{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 8px;border-radius:6px;background:#fff;color:var(--steel);border:1px solid var(--line)}
.card-body{padding:16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card h3{font-size:16px;font-weight:700}
.card p{margin:0;font-size:13.5px;color:var(--gray);flex:1}
.card .btn{margin-top:10px;width:100%;padding:11px 14px;font-size:14px}
.card .btn.added{background:var(--navy)}
.card-custom{background:var(--navy);color:#fff;border-color:var(--navy);justify-content:center;padding:24px;text-align:left}
.card-custom h3{font-size:20px;margin-bottom:8px}
.card-custom p{color:#C7D6E5;flex:0;margin-bottom:12px}
.card-custom .btn{background:#fff;color:var(--navy)}
.only-sm{display:none!important}
.empty{text-align:center;color:var(--gray);margin-top:24px}

/* Banda */
.band{background:linear-gradient(110deg,var(--navy) 0%,var(--steel) 100%);color:#fff}
.band-in{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:44px;padding-bottom:44px;flex-wrap:wrap}
.band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.band p{margin:8px 0 0;color:#D2DEEA}

/* Nosotros */
.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}
.about-media{background:var(--bg-alt);border-radius:20px;padding:48px;display:grid;place-items:center}
.about-media img{max-width:360px;width:100%}
.about h2{font-size:clamp(28px,3.2vw,38px);font-weight:800;margin-bottom:16px}
.about>div>p{color:var(--gray);font-size:16px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0 32px}
.pillars div{border:1px solid var(--line);border-radius:var(--r);padding:18px}
.pillars svg{width:34px;height:34px;color:var(--steel)}
.pillars h3{font-size:16px;margin:10px 0 6px}
.pillars p{margin:0;font-size:13.5px;color:var(--gray)}

/* Marcas */
.brands{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(8,1fr);gap:14px}
.brands-more{text-align:center;color:var(--gray);font-style:italic;margin:18px 0 0}
.brands li{display:grid;place-items:center;height:76px;background:#fff;border:1px solid var(--line);border-radius:var(--r);font-family:var(--head);font-weight:800;font-size:14px;letter-spacing:.03em;text-transform:uppercase;color:var(--gray);text-align:center;padding:0 8px;transition:color .2s,border-color .2s}
.brands li:hover{color:var(--navy);border-color:var(--steel)}

/* Pasos */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.steps li{position:relative;padding:28px;border:1px solid var(--line);border-radius:16px;background:#fff}
.steps span{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--navy);color:#fff;font-family:var(--head);font-weight:800;font-size:18px;margin-bottom:16px}
.steps h3{font-size:18px;margin-bottom:8px}
.steps p{margin:0;color:var(--gray);font-size:15px}

/* Footer */
.footer{background:var(--navy-2);color:#C7D3DF;padding:56px 0 24px;font-size:14px}
.footer-in{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer-brand{display:flex;gap:14px;align-items:center}
.footer-brand b{display:block;color:#fff;font-family:var(--head);font-size:17px}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap}
.footer-cols div{display:flex;flex-direction:column;gap:8px}
.footer h4{color:#fff;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px}
.footer a{text-decoration:none}
.footer a:hover{color:#fff}
.footer-legal{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;font-size:13px;color:#8DA2B6}

/* Botón flotante */
.fab{position:fixed;right:20px;bottom:20px;z-index:45;display:inline-flex;align-items:center;gap:8px;background:var(--wa);color:#fff;text-decoration:none;font-family:var(--head);font-weight:700;padding:14px 20px;border-radius:40px;box-shadow:0 10px 24px rgba(37,211,102,.4)}
.fab svg{width:24px;height:24px}
.fab:hover{background:var(--wa-d)}
.fab{transition:opacity .25s,transform .25s}
.fab.away{opacity:0;transform:translateY(20px);pointer-events:none}

/* Barra móvil */
.mobile-bar{display:none}

/* Drawer */
.drawer-overlay{position:fixed;inset:0;background:rgba(10,31,53,.5);z-index:60}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(420px,100%);background:#fff;z-index:61;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .3s ease;box-shadow:-20px 0 40px rgba(0,0,0,.15)}
.drawer.open{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer-head h2{font-size:20px}
.icon-btn{border:0;background:var(--bg-alt);width:36px;height:36px;border-radius:9px;cursor:pointer;font-size:16px;color:var(--navy)}
.drawer-body{flex:1;overflow:auto;padding:8px 22px}
.drawer-list{list-style:none;margin:0;padding:0}
.drawer-list li{display:grid;grid-template-columns:48px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.d-ico{width:48px;height:48px;border-radius:10px;background:var(--bg-alt);display:grid;place-items:center;color:var(--navy)}
.d-ico svg{width:28px;height:28px}
.d-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.d-top b{font-size:15px}
.d-top small{display:block;color:var(--gray);font-size:12px}
.d-remove{border:0;background:none;color:var(--gray);cursor:pointer;font-size:12px;text-decoration:underline;padding:0}
.d-remove:hover{color:var(--err)}
.d-row{display:flex;gap:8px;align-items:center;margin-top:10px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{width:30px;height:32px;border:0;background:var(--bg-alt);cursor:pointer;font-size:16px;color:var(--navy)}
.qty span{min-width:32px;text-align:center;font-weight:700;font-size:14px}
.d-ref{flex:1;min-width:0;font:inherit;font-size:13px;padding:7px 10px;border:1px solid var(--line);border-radius:8px}
.d-ref:focus{outline:0;border-color:var(--steel)}
.drawer-empty{text-align:center;padding:48px 0;color:var(--gray)}
.drawer-empty svg{width:48px;height:48px;color:#B6C4D2}
.drawer-foot{padding:18px 22px;border-top:1px solid var(--line)}
.drawer-foot p{margin:0 0 10px;font-size:13px;color:var(--gray);text-align:center}

/* Toast */
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,120px);background:var(--navy);color:#fff;padding:12px 18px;border-radius:10px;font-size:14px;z-index:70;transition:transform .3s;box-shadow:var(--shadow);max-width:calc(100% - 32px)}
.toast.show{transform:translate(-50%,0)}
.toast button{background:none;border:0;color:#9CC3E8;font-weight:700;cursor:pointer;margin-left:10px;font-size:14px}

/* Responsive */
@media (max-width:1080px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .brands{grid-template-columns:repeat(4,1fr)}
  .nav{gap:18px}
}
@media (max-width:920px){
  .nav,.hide-sm{display:none}
  .header-actions{margin-left:auto}
  .hero-in{grid-template-columns:1fr;gap:36px}
  .hero-copy{padding-top:0}
  .about{grid-template-columns:1fr;gap:36px}
  .about-media{padding:32px}
  .about-media img{max-width:220px}
  .steps{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .topbar-in>span{display:none}
  .topbar-in{justify-content:center}
  .header-in{min-height:64px;gap:10px}
  .brand-txt b{font-size:15px}
  .cart-btn-label{display:none}
  .hero{padding:40px 0 48px}
  .lead{font-size:16px}
  .hero-checks{grid-template-columns:1fr}
  .quote-card{padding:22px 18px}
  .field-row,.type-pick{grid-template-columns:1fr}
  .field-row{gap:0}
  .stats-in{grid-template-columns:1fr 1fr}
  .stats-in div:nth-child(2){border-right:0}
  .stats-in div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.15)}
  .stats b{font-size:28px}
  .section{padding:60px 0}
  .cat-tools,.search{width:100%}
  .tabs{width:100%}
  .tab{flex:1}
  .grid{gap:12px}
  .card-body{padding:12px}
  .card h3{font-size:14.5px}
  .card p{font-size:12.5px}
  .card .btn{font-size:13px;padding:10px 8px}
  .card .lg{display:none}
  .card-media{aspect-ratio:4/3}
  .card-tag{font-size:9.5px;padding:3px 6px;top:8px;left:8px;right:8px;width:max-content;max-width:calc(100% - 16px)}
  .card-media svg{width:34%;margin-top:18px}
  .only-sm{display:inline-flex!important}
  .hero-ctas .btn{flex:1}
  body.has-items .fab{display:none}
  .brands{grid-template-columns:repeat(2,1fr)}
  .pillars{grid-template-columns:1fr}
  .band-in .btn{width:100%}
  .fab span{display:none}
  .fab{padding:14px;bottom:16px;right:16px}
  .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:46;background:#fff;border-top:1px solid var(--line);padding:10px 16px;gap:10px;align-items:center;box-shadow:0 -6px 20px rgba(15,43,72,.1)}
  .mobile-bar[hidden]{display:none!important}
  .mobile-bar button{flex:1;text-align:left;background:none;border:0;font:inherit;font-size:14px;color:var(--navy);cursor:pointer}
  body.has-items .footer{padding-bottom:90px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}