/* ==========================================================================
   Megalubricantes La 16 — hoja de estilos
   Colores y tipografías según el Manual de Marca del negocio.
   ========================================================================== */

:root{
  /* brand colors — Manual de Marca Megalubricantes La 16 */
  --blue:#0452B4;
  --blue-ink:#033a86;
  --navy:#07264D;
  --navy-deep:#051a37;
  --red:#E71A22;
  --green:#079942;
  --amber:#F9AC07;
  --ink:#1D1F20;
  --steel:#6E7C8C;
  --smoke:#B7B7BA;
  --paper:#F4F4F5;
  --white:#ffffff;

  --bg: var(--paper);
  --surface: var(--white);
  --text: var(--ink);
  --text-muted: var(--steel);
  --border: #e2e2e5;
  --header-bg: rgba(244,244,245,.92);
  --shadow: 0 18px 40px -22px rgba(7,38,77,.35);

  --font-display:'Baloo 2', 'Arial Rounded MT Bold', Arial, sans-serif;
  --font-heading:'Oswald', 'Arial Narrow', Arial, sans-serif;
  --font-body:'Barlow', system-ui, -apple-system, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
.wrap{
  width:100%;
  max-width:1180px;
  margin-inline:auto;
  padding-inline:clamp(18px,5vw,40px);
}
h1,h2,h3{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.05;
  margin:0;
}
.kicker{
  font-family:var(--font-heading);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-weight:600;
  font-size:13px;
  color:var(--amber);
}
.kicker.on-light{color:var(--blue-ink);}
p{margin:0;}
.lede{color:var(--text-muted);}
section{padding-block:clamp(56px,9vw,100px);}
.stripe{
  height:6px;
  width:100%;
  background:linear-gradient(90deg,
    var(--red) 0 20%, var(--blue) 20% 60%, var(--green) 60% 100%);
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:.55em;
  font-family:var(--font-heading);
  text-transform:uppercase;
  letter-spacing:.06em;
  font-weight:600;
  font-size:14px;
  padding:14px 26px;
  border-radius:999px;
  text-decoration:none;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn:focus-visible{outline:3px solid var(--amber);outline-offset:2px;}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 10px 24px -10px rgba(7,153,66,.55);}
.btn-primary:hover{background:#068339;}
.btn-ghost{background:transparent;border-color:currentColor;color:var(--text);}
.btn-amber{background:var(--amber);color:var(--ink);box-shadow:0 10px 24px -10px rgba(249,172,7,.55);}
.btn-amber:hover{background:#e59e04;}

/* header */
header{
  position:sticky;top:0;z-index:40;
  background:var(--header-bg);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.headrow{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-block:12px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);}
.brand img{height:38px;width:auto;}
.brand .word{font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:.01em;}
.brand .word span{display:block;font-family:var(--font-heading);font-weight:500;font-size:10px;letter-spacing:.16em;color:var(--steel);text-transform:uppercase;}
nav.mainnav{display:flex;align-items:center;gap:28px;}
nav.mainnav a{
  font-family:var(--font-heading);font-size:13.5px;text-transform:uppercase;
  letter-spacing:.08em;text-decoration:none;color:var(--text);opacity:.82;
}
nav.mainnav a:hover{opacity:1;color:var(--blue);}
.headcta{display:flex;align-items:center;gap:10px;}
.navtoggle{display:none;background:none;border:0;color:var(--text);padding:6px;cursor:pointer;}

@media (max-width: 860px){
  nav.mainnav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:2px;
    background:var(--surface);border-bottom:1px solid var(--border);
    padding:10px clamp(18px,5vw,40px) 18px;
    display:none;
  }
  nav.mainnav.open{display:flex;}
  nav.mainnav a{padding:10px 0;width:100%;}
  .navtoggle{display:inline-flex;}
  .headcta .btn span.long{display:none;}
}

/* hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding-block:clamp(64px,12vw,120px) clamp(96px,14vw,140px);
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center 30%;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(125deg, rgba(4,82,180,.92) 0%, rgba(3,58,134,.90) 46%, rgba(5,26,55,.94) 100%);
}
.hero-swoosh{
  position:absolute;left:-10%;right:-10%;bottom:-6%;height:110px;
  background:var(--bg);transform:rotate(-2.2deg);transform-origin:left;
}
.hero-inner{position:relative;z-index:1;max-width:720px;}
.hero h1{font-size:clamp(38px,6.4vw,60px);color:#fff;margin-top:10px;}
.hero h1 em{font-style:normal;color:var(--amber);}
.hero .lede{font-size:clamp(16px,2vw,19px);max-width:46ch;margin-top:16px;color:rgba(255,255,255,.85);}
.hero .ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}

/* trustbar */
.trustbar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface);padding-block:0;}
.trustbar .wrap{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;padding-block:22px;
}
@media (max-width:900px){ .trustbar .wrap{grid-template-columns:repeat(2,1fr);} }
.trust-item{display:flex;align-items:flex-start;gap:10px;}
.trust-item svg{flex:none;color:var(--blue);margin-top:2px;}
.trust-item span{font-size:13px;color:var(--text-muted);line-height:1.35;}
.trust-item strong{display:block;font-family:var(--font-heading);font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--text);}

/* section heads */
.sec-head{max-width:640px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(28px,4vw,40px);margin-top:8px;}
.sec-head .lede{margin-top:12px;font-size:16px;}

/* brands strip */
.brands-strip{background:var(--navy);padding-block:0;}
.brands-strip .wrap{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:8px 30px;padding-block:18px;
}
.brands-strip .label{
  font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.08em;
  font-size:11.5px;color:rgba(255,255,255,.55);
}
.brands-strip .names{display:flex;flex-wrap:wrap;gap:8px 28px;}
.brands-strip .names span{
  font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:.01em;
  color:#fff;opacity:.94;
}

/* categories */
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
@media (max-width:920px){ .cat-grid{grid-template-columns:repeat(3,1fr);} }
@media (max-width:560px){ .cat-grid{grid-template-columns:repeat(2,1fr);} }
.cat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:18px;
  overflow:hidden;text-align:center;position:relative;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.cat-card:focus-visible{outline:3px solid var(--blue);outline-offset:3px;}
.cat-img{aspect-ratio:4/3;overflow:hidden;background:var(--paper);}
.cat-img img{width:100%;height:100%;object-fit:cover;}
.cat-card h3{font-family:var(--font-heading);font-size:14.5px;text-transform:uppercase;letter-spacing:.03em;font-weight:600;margin-top:14px;color:var(--text);padding-inline:12px;}
.cat-card p{font-size:12.5px;color:var(--text-muted);margin-top:6px;line-height:1.4;padding:0 12px 18px;}

/* about */
.about{background:linear-gradient(135deg, var(--blue) 0%, var(--blue-ink) 100%);color:#fff;}
.about .wrap{
  display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(28px,5vw,56px);align-items:center;
}
@media (max-width:840px){ .about .wrap{grid-template-columns:1fr;} }
.about h2{color:#fff;font-size:clamp(28px,4vw,38px);margin-top:8px;}
.about .lede{color:rgba(255,255,255,.85);margin-top:14px;font-size:16px;}
.about .lede b{color:var(--amber);font-weight:700;}
.about .ctas{margin-top:26px;}
.about-stat{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:24px;
  padding:22px;text-align:center;
}
.about-stat .num{font-family:var(--font-display);font-weight:800;font-size:52px;color:var(--amber);line-height:1;}
.about-stat .num-label{
  font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.05em;
  font-size:12.5px;color:rgba(255,255,255,.82);margin-top:8px;
}

/* why us */
.why{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px);align-items:start;}
@media (max-width:840px){ .why-grid{grid-template-columns:1fr;} }
.compare{border:1px solid var(--border);border-radius:16px;overflow:hidden;}
.compare .row{display:grid;grid-template-columns:1fr 1fr;}
.compare .row + .row{border-top:1px solid var(--border);}
.compare .cell{padding:16px 18px;font-size:14px;}
.compare .cell.bad{color:var(--text-muted);}
.compare .cell.good{background:rgba(4,82,180,.08);font-weight:500;}
.compare .head{font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.06em;font-size:12px;font-weight:700;}
.compare .head.bad{color:var(--steel);}
.compare .head.good{color:var(--blue);background:rgba(4,82,180,.12);}
.why ul.values{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:14px;}
.why ul.values li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;}
.why ul.values svg{flex:none;color:var(--amber);margin-top:3px;}
.why ul.values b{font-family:var(--font-heading);font-weight:600;display:block;font-size:13px;text-transform:uppercase;letter-spacing:.03em;}

/* audience */
.aud-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:760px){ .aud-grid{grid-template-columns:1fr;} }
.aud-card{
  border-radius:18px;padding:28px;border:1px solid var(--border);background:var(--surface);
  position:relative;
}
.aud-card.accent{background:var(--blue);color:#fff;border-color:transparent;}
.aud-card .kicker{color:var(--amber);}
.aud-card.accent .kicker{color:var(--amber);}
.aud-card h3{font-family:var(--font-display);font-size:24px;margin-top:8px;}
.aud-card p{margin-top:10px;font-size:14.5px;color:var(--text-muted);}
.aud-card.accent p{color:rgba(255,255,255,.86);}
.aud-card ul{margin:16px 0 0;padding-left:18px;font-size:13.5px;color:var(--text-muted);}
.aud-card.accent ul{color:rgba(255,255,255,.86);}
.aud-card li+li{margin-top:6px;}

/* video */
.video-sec{background:var(--surface);}
.video-frame{
  position:relative;width:100%;padding-top:56.25%;border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow);background:#000;
}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}

/* blog */
.blog{background:var(--paper);}
.blog-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:760px){ .blog-grid{grid-template-columns:1fr;} }
.article{
  border:1px solid var(--border);border-radius:18px;background:var(--surface);overflow:hidden;
}
.article summary{
  list-style:none;cursor:pointer;padding:20px 22px;
  display:flex;gap:14px;align-items:flex-start;
}
.article summary::-webkit-details-marker{display:none;}
.article summary::marker{content:"";}
.article .a-icon{
  width:42px;height:42px;border-radius:12px;flex:none;
  background:rgba(4,82,180,.12);color:var(--blue);
  display:flex;align-items:center;justify-content:center;
}
.article summary > span:nth-child(2){flex:1;min-width:0;}
.article h3{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--text);line-height:1.25;}
.article .teaser{font-size:13px;color:var(--text-muted);margin-top:4px;line-height:1.4;}
.article .chevron{flex:none;color:var(--steel);margin-top:4px;transition:transform .2s ease;}
.article[open] .chevron{transform:rotate(180deg);}
.article[open]{border-color:rgba(4,82,180,.35);}
.article-body{
  padding:0 22px 22px 78px;font-size:14px;color:var(--text-muted);line-height:1.65;
  display:grid;gap:10px;
}
.article-body strong{color:var(--text);}
@media (max-width:520px){
  .article-body{padding-left:22px;}
}

/* location */
.location{background:var(--navy);color:#fff;position:relative;overflow:hidden;}
.location-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16;
}
.location::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 380px at 90% 0%, rgba(249,172,7,.14), transparent 60%);
}
.location .wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px);align-items:center;}
@media (max-width:840px){ .location .wrap{grid-template-columns:1fr;} }
.location .kicker{color:var(--amber);}
.location h2{color:#fff;font-size:clamp(28px,4vw,38px);margin-top:8px;}
.location .lede{color:rgba(244,244,245,.78);margin-top:12px;}
.loc-facts{margin-top:26px;display:grid;gap:16px;}
.loc-facts .fact{display:flex;gap:12px;align-items:flex-start;}
.loc-facts svg{flex:none;color:var(--amber);margin-top:2px;}
.loc-facts strong{display:block;font-family:var(--font-heading);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--amber);}
.loc-facts span, .loc-facts a{font-size:14.5px;color:rgba(244,244,245,.92);text-decoration:none;}
.loc-facts a:hover{text-decoration:underline;}
.location .ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.location .btn-ghost{color:#fff;}
.map-card{
  position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;
  padding:26px;
}
.map-card .pin{
  width:52px;height:52px;border-radius:50%;background:var(--amber);
  display:flex;align-items:center;justify-content:center;color:var(--navy);margin-bottom:16px;
}
.map-card h3{font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.04em;font-size:14px;color:#fff;font-weight:600;}
.map-card p{margin-top:8px;font-size:13.5px;color:rgba(244,244,245,.75);line-height:1.5;}
.map-card .stripe{margin-top:20px;border-radius:2px;}

/* footer */
footer{background:var(--navy-deep);color:rgba(244,244,245,.7);}
footer .wrap{padding-block:36px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;}
footer .fbrand{display:flex;align-items:center;gap:12px;}
footer nav{display:flex;gap:20px;flex-wrap:wrap;}
footer nav a{font-size:13px;text-decoration:none;color:rgba(244,244,245,.7);}
footer nav a:hover{color:#fff;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);}
.foot-bottom .wrap{padding-block:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:rgba(244,244,245,.45);}

/* floating whatsapp */
.fab-whatsapp{
  position:fixed;right:20px;bottom:20px;z-index:50;
  width:58px;height:58px;border-radius:50%;
  background:var(--green);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 30px -10px rgba(7,153,66,.6);
  transition:transform .15s ease, box-shadow .15s ease;
}
.fab-whatsapp:hover{transform:scale(1.08);box-shadow:0 18px 34px -8px rgba(7,153,66,.65);}
.fab-whatsapp:focus-visible{outline:3px solid var(--amber);outline-offset:3px;}
@media (max-width:480px){ .fab-whatsapp{width:52px;height:52px;right:14px;bottom:14px;} }

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ===== MARCAS QUE MANEJAMOS ===== */
.marcas-sec{background:var(--surface);}
.marcas-sec[hidden]{display:none !important;}
.marcas-grupo{margin-top:34px;}
.marcas-grupo:first-of-type{margin-top:8px;}
.marcas-grupo-title{
  font-family:var(--font-heading);
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:600;
  font-size:15px;
  color:var(--blue-ink);
  margin-bottom:16px;
  padding-bottom:8px;
  border-bottom:2px solid var(--border);
}
.marcas-grid{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:14px;
}
@media (max-width:920px){ .marcas-grid{grid-template-columns:repeat(4,minmax(0,1fr));} }
@media (max-width:560px){ .marcas-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
.marca-card{
  background:var(--paper);
  border:1px solid var(--border);
  border-radius:12px;
  aspect-ratio:3/2;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:14px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.marca-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--blue);}
.marca-card img{
  max-width:100%;
  max-height:100%;
  width:auto;
  height:auto;
  object-fit:contain;
}


/* ===== MODAL DE CATEGORIA ===== */
body.modal-open{overflow:hidden;}
.cat-modal{
  position:fixed;inset:0;z-index:1000;display:none;
  align-items:center;justify-content:center;padding:20px;
}
.cat-modal.open{display:flex;}
.cat-modal-backdrop{position:absolute;inset:0;background:rgba(5,26,55,.72);}
.cat-modal-dialog{
  position:relative;background:var(--surface);border-radius:20px;max-width:560px;width:100%;
  max-height:90vh;overflow-y:auto;overflow-x:hidden;box-shadow:0 30px 60px -20px rgba(5,26,55,.5);
  animation:catModalIn .18s ease;
}
@keyframes catModalIn{from{opacity:0;transform:translateY(12px) scale(.98);}to{opacity:1;transform:none;}}
.cat-modal-close{
  position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;
  border:none;background:var(--paper);color:var(--navy);font-size:22px;line-height:1;
  cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2;
}
.cat-modal-close:hover{background:var(--border);}
.cat-modal-close:focus-visible{outline:3px solid var(--blue);outline-offset:2px;}
.cat-modal-img{aspect-ratio:16/9;overflow:hidden;border-radius:20px 20px 0 0;background:var(--paper);}
.cat-modal-img img{width:100%;height:100%;object-fit:cover;display:block;}
.cat-modal-body{padding:24px 28px 28px;}
.cat-modal-body h3{
  font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.03em;
  font-size:20px;color:var(--navy);margin-bottom:8px;
}
.cat-modal-body>p{color:var(--text-muted);font-size:14.5px;line-height:1.5;margin-bottom:20px;}
.cat-modal-marcas-label{
  font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.06em;
  font-size:12.5px;color:var(--blue-ink);font-weight:600;margin-bottom:12px;
}
.cat-modal-marcas .marcas-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
@media (max-width:480px){ .cat-modal-marcas .marcas-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
.cat-modal-marcas .marca-card{aspect-ratio:3/2;padding:10px;}
.cat-modal-marcas#catModalNoMarcas{text-align:center;}