/* ===========================================================
   NEUMÁTICOS CARVALLO — Sistema de diseño
   Ink #10141B · Navy #0C2D52 · Blue #1C63D8 · Steel #5B6572
   Fog #F4F6F9 · White #FFFFFF · Amber #F2A93B (solo ofertas)
   Display: Barlow Condensed · Body: Inter · Data: Roboto Mono
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=Roboto+Mono:wght@500;600&display=swap');

:root{
  --ink:#10141B;
  --ink-soft:#1B212C;
  --navy:#0C2D52;
  --navy-soft:#123863;
  --blue:#1C63D8;
  --blue-bright:#3A7BFF;
  --steel:#5B6572;
  --steel-light:#8A93A0;
  --fog:#F4F6F9;
  --line:#E2E6EC;
  --white:#FFFFFF;
  --amber:#F2A93B;

  --display: 'Barlow Condensed', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'Roboto Mono', monospace;

  --radius: 4px;
  --container: 1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select{font-family:inherit;}

.wrap{max-width:var(--container);margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.01em;
  line-height:1.05;
  margin:0;
  color:var(--ink);
}
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--blue);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--amber);
  display:inline-block;
}
p{margin:0;}
.lede{color:var(--steel);font-size:17px;max-width:56ch;}

/* ---------- Tread pattern (elemento firma) ---------- */
.tread-bar{
  height:8px;
  width:100%;
  background-image:repeating-linear-gradient(
    115deg,
    var(--amber) 0px, var(--amber) 3px,
    transparent 3px, transparent 26px
  );
  background-color:var(--ink);
}
.tread-rule{
  height:2px;
  background-image:repeating-linear-gradient(
    115deg,
    var(--line) 0px, var(--line) 2px,
    transparent 2px, transparent 14px
  );
}
.tread-bg{
  background-image:repeating-linear-gradient(
    115deg,
    rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 2px,
    transparent 2px, transparent 22px
  );
}

/* ---------- Header ---------- */
.topbar{
  background:var(--ink);
  color:var(--steel-light);
  font-family:var(--mono);
  font-size:12px;
}
.topbar .wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:8px;
  padding-bottom:8px;
  flex-wrap:wrap;
  gap:6px;
}
.topbar a{color:var(--steel-light);}
.topbar a:hover{color:var(--white);}
.topbar-item{display:flex;align-items:center;gap:6px;}
.topbar-socials{display:flex;gap:14px;}

header.main{
  background:var(--white);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;
}
.logo{
  font-family:var(--display);
  font-weight:800;
  font-size:26px;
  text-transform:uppercase;
  letter-spacing:0.01em;
  color:var(--ink);
  display:flex;
  align-items:baseline;
  gap:8px;
}
.logo span{color:var(--blue);}
nav.primary{display:flex;align-items:center;gap:2px;}
nav.primary a{
  font-family:var(--display);
  font-weight:600;
  font-size:16px;
  text-transform:uppercase;
  letter-spacing:0.03em;
  padding:10px 16px;
  color:var(--navy);
  border-radius:var(--radius);
  transition:background .15s ease, color .15s ease;
}
nav.primary a:hover, nav.primary a.active{
  background:var(--fog);
  color:var(--blue);
}
.nav-cta{
  display:flex;align-items:center;gap:14px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--display);
  font-weight:700;
  font-size:16px;
  letter-spacing:0.02em;
  text-transform:uppercase;
  padding:12px 22px;
  border-radius:var(--radius);
  border:2px solid transparent;
  transition:transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--blue);color:var(--white);}
.btn-primary:hover{background:var(--blue-bright);transform:translateY(-1px);}
.btn-outline{border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{border-color:var(--blue);color:var(--blue);}
.btn-ghost-light{border-color:rgba(255,255,255,0.4);color:var(--white);}
.btn-ghost-light:hover{border-color:var(--white);}
.btn-block{width:100%;}
.menu-toggle{display:none;background:none;border:none;padding:8px;}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;}

/* ---------- Hero ---------- */
.hero{
  background:var(--ink);
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.hero .wrap{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:48px;
  align-items:center;
  padding-top:72px;
  padding-bottom:72px;
}
.hero h1{
  color:var(--white);
  font-size:clamp(40px,5.2vw,64px);
  margin-top:16px;
}
.hero h1 em{
  font-style:normal;
  color:var(--amber);
}
.hero .lede{color:#B9C2CE;margin-top:18px;font-size:18px;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}

/* Spec plate — buscador de medidas, inspirado en el grabado del costado del neumático */
.spec-plate{
  background:var(--white);
  border-radius:8px;
  padding:28px;
  color:var(--ink);
  box-shadow:0 24px 60px rgba(0,0,0,0.35);
}
.spec-plate h3{
  font-size:20px;
  color:var(--navy);
}
.spec-plate .plate-sub{
  font-family:var(--mono);
  font-size:12px;
  color:var(--steel);
  margin-top:6px;
  letter-spacing:0.04em;
}
.spec-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:12px;
  margin-top:20px;
}
.spec-field label{
  display:block;
  font-family:var(--mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--steel);
  margin-bottom:6px;
}
.spec-field select{
  width:100%;
  padding:12px 10px;
  border:1.5px solid var(--line);
  border-radius:4px;
  font-family:var(--mono);
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  background:var(--fog);
}
.spec-field select:focus{outline:2px solid var(--blue);outline-offset:1px;}
.spec-readout{
  margin-top:16px;
  font-family:var(--mono);
  font-size:22px;
  font-weight:600;
  letter-spacing:0.02em;
  color:var(--navy);
  background:var(--fog);
  border:1px dashed var(--line);
  border-radius:4px;
  padding:12px 14px;
  text-align:center;
}
.spec-readout .ph{color:var(--steel-light);}
.spec-plate .btn{margin-top:16px;}
.spec-note{
  font-size:12px;color:var(--steel);margin-top:10px;text-align:center;
}

/* ---------- Sections ---------- */
section{padding:88px 0;}
.section-fog{background:var(--fog);}
.section-navy{background:var(--navy);color:var(--white);}
.section-ink{background:var(--ink);color:var(--white);}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  margin-bottom:44px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(30px,4vw,44px);margin-top:14px;}

/* ---------- Brand strip ---------- */
.brand-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.brand-tile{
  background:var(--white);
  padding:34px 20px;
  text-align:center;
  font-family:var(--display);
  font-weight:700;
  font-size:22px;
  text-transform:uppercase;
  color:var(--navy);
  transition:background .15s ease, color .15s ease;
}
.brand-tile:hover{background:var(--navy);color:var(--white);}
.brand-tile small{
  display:block;font-family:var(--mono);font-size:11px;font-weight:500;
  text-transform:none;letter-spacing:0;color:var(--steel-light);margin-top:6px;
}
.brand-tile:hover small{color:#B9C2CE;}

/* ---------- Feature grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.feature-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:6px;
  padding:30px 26px;
  position:relative;
}
.feature-card .num{
  font-family:var(--mono);
  font-size:12px;
  color:var(--blue);
  font-weight:600;
}
.feature-card h4{font-size:21px;margin-top:12px;color:var(--navy);}
.feature-card p{margin-top:10px;color:var(--steel);font-size:15px;}

/* ---------- Product cards ---------- */
.product-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(250px,1fr));
  gap:20px;
}
.product-card{
  border:1px solid var(--line);
  border-radius:6px;
  overflow:hidden;
  background:var(--white);
  display:flex;flex-direction:column;
}
.product-thumb{
  aspect-ratio:4/3;
  background:
    linear-gradient(180deg, rgba(12,45,82,0.06), rgba(12,45,82,0.02)),
    repeating-linear-gradient(115deg, rgba(12,45,82,0.08) 0px, rgba(12,45,82,0.08) 2px, transparent 2px, transparent 16px);
  display:flex;align-items:center;justify-content:center;
}
.product-thumb .tire-glyph{width:64px;height:64px;}
.product-body{padding:18px;flex:1;display:flex;flex-direction:column;gap:10px;}
.product-brand{
  font-family:var(--mono);font-size:11px;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--blue);font-weight:600;
}
.product-size{
  font-family:var(--mono);font-size:19px;font-weight:600;color:var(--ink);
}
.product-model{font-size:13px;color:var(--steel);}
.tag-oferta{
  display:inline-block;
  background:var(--amber);color:var(--ink);
  font-family:var(--mono);font-size:10px;font-weight:700;
  letter-spacing:0.05em;text-transform:uppercase;
  padding:3px 8px;border-radius:3px;width:fit-content;
}
.product-body .btn{margin-top:auto;font-size:13px;padding:10px 14px;}

/* ---------- History / timeline ---------- */
.timeline{border-left:2px solid var(--line);margin-left:6px;}
.timeline-item{
  position:relative;
  padding:0 0 40px 32px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;left:-7px;top:2px;
  width:12px;height:12px;border-radius:50%;
  background:var(--amber);
  border:2px solid var(--ink);
}
.timeline-item .yr{
  font-family:var(--mono);font-weight:600;color:var(--blue);font-size:14px;
}
.timeline-item h4{font-size:22px;margin-top:6px;color:var(--navy);}
.timeline-item p{margin-top:8px;color:var(--steel);}

/* ---------- Stats ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,0.12);}
.stat{padding:26px 20px;text-align:center;}
.stat .n{font-family:var(--display);font-size:44px;font-weight:800;color:var(--amber);}
.stat .l{font-family:var(--mono);font-size:12px;letter-spacing:0.05em;text-transform:uppercase;color:#B9C2CE;margin-top:4px;}

/* ---------- Contact / info blocks ---------- */
.info-card{
  background:var(--white);border:1px solid var(--line);border-radius:6px;padding:26px;
}
.info-card h4{font-size:19px;color:var(--navy);margin-bottom:14px;}
.info-line{
  display:flex;gap:12px;padding:10px 0;border-top:1px solid var(--line);
  font-size:15px;
}
.info-line:first-of-type{border-top:none;}
.info-line .k{font-family:var(--mono);font-size:12px;color:var(--steel);min-width:110px;text-transform:uppercase;letter-spacing:0.04em;}
.info-line .v{color:var(--ink);font-weight:500;}
.info-line a.v:hover{color:var(--blue);}

.map-frame{border:1px solid var(--line);border-radius:6px;overflow:hidden;height:100%;min-height:340px;}
.map-frame iframe{width:100%;height:100%;min-height:340px;border:0;display:block;}

form.contact-form{display:grid;gap:14px;}
form.contact-form label{
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--steel);margin-bottom:6px;display:block;
}
form.contact-form input, form.contact-form textarea{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:4px;
  font-family:var(--body);font-size:15px;color:var(--ink);background:var(--fog);
}
form.contact-form input:focus, form.contact-form textarea:focus{outline:2px solid var(--blue);outline-offset:1px;}
form.contact-form textarea{resize:vertical;min-height:120px;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--blue);
  color:var(--white);
  padding:56px 0;
}
.cta-band .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h3{color:var(--white);font-size:clamp(24px,3.4vw,34px);}
.cta-band p{color:rgba(255,255,255,0.85);margin-top:8px;}

/* ---------- Footer ---------- */
footer.main{background:var(--ink);color:#B9C2CE;padding-top:64px;}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;
}
.footer-logo{
  font-family:var(--display);font-weight:800;font-size:24px;text-transform:uppercase;color:var(--white);
}
.footer-logo span{color:var(--blue-bright);}
.footer-col h5{
  font-family:var(--mono);font-size:12px;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--white);margin-bottom:16px;
}
.footer-col p, .footer-col a{font-size:14px;color:#9AA4B2;line-height:1.9;}
.footer-col a:hover{color:var(--white);}
.footer-col ul li{margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;color:#7C8592;flex-wrap:wrap;gap:10px;
}
.socials-row{display:flex;gap:12px;}
.socials-row a{
  width:34px;height:34px;border:1px solid rgba(255,255,255,0.2);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:13px;
}
.socials-row a:hover{border-color:var(--blue-bright);color:var(--blue-bright);}

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:56px;height:56px;border-radius:50%;
  background:#1FAA53;color:var(--white);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(0,0,0,0.25);
  font-size:26px;
}
.wa-float:hover{transform:scale(1.05);}

/* ---------- Page header (interior pages) ---------- */
.page-head{
  background:var(--navy);
  color:var(--white);
  padding:56px 0 44px;
}
.page-head .eyebrow{color:var(--blue-bright);}
.page-head .eyebrow::before{background:var(--amber);}
.page-head h1{color:var(--white);font-size:clamp(34px,4.6vw,50px);margin-top:12px;}
.breadcrumb{
  font-family:var(--mono);font-size:12px;color:#9AA4B2;margin-top:14px;
}
.breadcrumb a{color:#B9C2CE;}
.breadcrumb a:hover{color:var(--white);}

/* ---------- Utilities ---------- */
.mt-8{margin-top:8px;}
.mt-16{margin-top:16px;}
.mt-24{margin-top:24px;}
.mt-32{margin-top:32px;}
.center{text-align:center;}
.tire-glyph path,.tire-glyph circle{stroke:var(--navy);}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:48px;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .brand-strip{grid-template-columns:repeat(2,1fr);}
  .stat-row{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:720px){
  nav.primary{display:none;}
  .menu-toggle{display:block;}
  .nav-row{flex-wrap:wrap;}
  header.main.open nav.primary{
    display:flex;flex-direction:column;width:100%;
    padding-bottom:14px;align-items:flex-start;
  }
  .nav-cta .btn-outline{display:none;}
  .grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .spec-grid{grid-template-columns:1fr;}
  section{padding:56px 0;}
  .cta-band .wrap{flex-direction:column;align-items:flex-start;}
  .topbar .wrap{flex-direction:column;align-items:flex-start;}
}