/* ============ TOKENS ============ */
:root{
  --ink:#14161A;
  --ink-2:#2A2D33;
  --paper:#FAFAFA;
  --paper-2:#F0F0EE;
  --accent:#C8102E;
  --accent-2:#E31937;
  --chrome:#8B8F96;
  --line:#E4E3E0;
  --line-dark:#3A3D44;

  --font-display:'Barlow Condensed', sans-serif;
  --font-body:'Inter', sans-serif;

  --radius:2px;
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
h1,h2,h3{
  font-family:var(--font-display);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.01em;
  line-height:.98;
  margin:0;
}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:2px;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.75em 1.5em;
  font-family:var(--font-body);
  font-weight:600;
  font-size:.95rem;
  border-radius:var(--radius);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-2);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-lg{padding:1em 2em;font-size:1rem;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,250,250,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:100px;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0;}
.brand-logo{
  height:76px;width:auto;display:block;
}

.main-nav{display:flex;gap:28px;flex:1;justify-content:center;}
.main-nav a{
  font-size:.92rem;font-weight:500;color:var(--ink-2);
  position:relative;padding:6px 2px;
}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--accent);transition:width .2s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{width:100%;}
.nav-whatsapp{display:none;}

.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;background:none;border:none;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:0 auto;transition:transform .2s ease, opacity .2s ease;}

/* ============ HERO ============ */
.hero{
  position:relative;
  background:var(--paper-2);
  color:var(--ink);
  padding:120px 0 90px;
  overflow:hidden;
}
.hero-tread{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg, rgba(20,22,26,.035) 0 3px, transparent 3px 26px);
  pointer-events:none;
}
.hero-tread::after{
  content:'';
  position:absolute;right:-180px;top:50%;transform:translateY(-50%);
  width:640px;height:640px;
  border-radius:50%;
  border:70px solid rgba(20,22,26,.035);
  box-shadow:0 0 0 2px rgba(20,22,26,.04) inset;
}
.hero-inner{position:relative;z-index:1;}
.eyebrow{
  font-family:var(--font-body);
  font-weight:600;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-2);margin:0 0 20px;
}
.hero h1{
  font-size:clamp(3rem, 8vw, 6rem);
  color:var(--ink);
  margin:0;
}
.hero-heading-row{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(420px,1.15fr);
  align-items:center;
  gap:clamp(40px,6vw,88px);
  margin-bottom:30px;
}
.text-accent{color:var(--accent-2);}
.hero-lead{
  max-width:560px;
  font-size:1.15rem;
  color:var(--ink-2);
  margin-bottom:40px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:0;}
.hero .btn-outline{color:var(--ink);border-color:var(--ink);}
.hero .btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);}

.hero-brands{
  width:100%;
  max-width:none;
  padding:0;
  background:transparent;
  border:0;
  border-radius:0;
}
.hero-brands-row{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px 38px;align-items:center;
}
.hero-brand-logo{
  display:block;width:100%;height:88px;max-width:none;
  object-fit:contain;object-position:center;
}
.hero-brand-logo-wide,.hero-brand-logo-dayton{height:88px;max-width:none;}
.hero-brand-logo-lassa,.hero-brand-logo-dayton{object-fit:contain;}

/* ============ BRAND LOGOTYPE (shared: hero strip + brand cards) ============ */
.brand-logotype{display:inline-flex;align-items:center;gap:9px;}
.brand-logotype .chev{flex-shrink:0;}
.brand-word{
  font-family:var(--font-display);font-weight:700;
  letter-spacing:.02em;text-transform:uppercase;color:#fff;
}
.hero-brands-row .brand-word{font-size:1.05rem;}

/* ============ SECTIONS (generic) ============ */
.section{padding:110px 0;}
.section-dark{background:var(--ink);color:#fff;}
.section-dark .section-lead{color:rgba(255,255,255,.65);}

.section-eyebrow{
  display:inline-block;
  font-family:var(--font-body);font-weight:700;font-size:.78rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent);
  margin-bottom:18px;
}
.section h2{
  font-size:clamp(2.2rem, 4.2vw, 3.4rem);
  margin-bottom:22px;
  max-width:16ch;
}
.section-lead{
  font-size:1.08rem;color:var(--ink-2);opacity:.75;max-width:56ch;
  margin-bottom:56px;
}

/* ============ ABOUT ============ */
.about-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center;
}
.about-copy p{color:var(--ink-2);opacity:.82;font-size:1.05rem;margin:22px 0 40px;max-width:52ch;}
.about-points{display:flex;flex-direction:column;gap:26px;}
.about-point{display:flex;gap:16px;align-items:flex-start;}
.point-icon{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;
  background:var(--paper-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}
.about-point strong{display:block;font-size:1.02rem;margin-bottom:4px;}
.about-point p{margin:0;font-size:.94rem;opacity:.7;max-width:none;}

.about-visual{display:flex;justify-content:center;}
.tire-illustration{width:100%;max-width:340px;}
.ti-outer{fill:none;stroke:var(--ink);stroke-width:10;}
.ti-tread{fill:none;stroke:var(--ink);stroke-width:2;opacity:.35;}
.ti-mid{fill:none;stroke:var(--chrome);stroke-width:1.5;opacity:.5;}
.ti-rim{fill:var(--paper-2);stroke:var(--ink);stroke-width:3;}
.ti-rim-detail{fill:none;stroke:var(--accent);stroke-width:2;}
.ti-hub{fill:var(--ink);}
.ti-spokes line{stroke:var(--chrome);stroke-width:2;}

/* ============ BRANDS ============ */
.section-brands{background:var(--paper);color:var(--ink);}
.section-brands .section-lead{color:var(--ink-2);}
.brand-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:transparent;
  border:0;
  margin-bottom:48px;
}
.brand-card{
  background:var(--paper-2);padding:30px 24px;
  border:1px solid var(--line);
  transition:background .2s ease,transform .2s ease;
}
.brand-card:hover{background:#fff;transform:translateY(-2px);}
.brand-card-logo-wrap{height:68px;display:flex;align-items:center;margin-bottom:22px;}
.brand-card-logo{width:100%;height:58px;object-fit:contain;object-position:left center;}
.brand-card p{
  font-size:.92rem;color:var(--ink-2);margin-bottom:20px;min-height:5.8em;
}
.brand-tag{
  display:inline-block;font-size:.72rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);
  border-top:1px solid var(--line);
  padding-top:14px;width:100%;
}

.vehicle-note{
  display:flex;gap:16px;align-items:flex-start;
  padding:24px 26px;border:1px solid var(--line);
  border-radius:var(--radius);color:var(--ink-2);
}
.vehicle-note svg{flex-shrink:0;color:var(--accent-2);margin-top:2px;}
.vehicle-note p{font-size:.94rem;margin:0;}

/* ============ SERVICES ============ */
.section-services{background:var(--paper-2);}
.service-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.service-card{
  padding:34px 26px 32px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  transition:border-color .2s ease, transform .2s ease;
}
.service-card:hover{border-color:var(--accent);transform:translateY(-4px);}
.service-badge{
  display:flex;align-items:center;justify-content:center;
  width:60px;height:60px;border-radius:50%;
  background:var(--paper-2);color:var(--accent);
  margin-bottom:22px;
  position:relative;
}
.service-badge::after{
  content:'';position:absolute;inset:-1px;border-radius:50%;
  border:1px dashed var(--line);
}
.service-card h3{font-size:1.4rem;margin-bottom:10px;}
.service-card p{font-size:.92rem;color:var(--ink-2);min-height:6.8em;}

/* ============ INSTALLMENTS ============ */
.installment-badges{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-bottom:22px;
}
.inst-badge{
  background:var(--badge, var(--accent));
  border-radius:10px;
  padding:18px 20px;
  display:flex;flex-direction:column;gap:8px;
  color:#fff;
}
.inst-bank{
  font-size:.8rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;
  opacity:.95;
}
.inst-count{
  font-family:var(--font-display);font-weight:600;font-size:1.15rem;
}
.inst-count strong{font-size:1.9rem;margin-right:5px;}
.installment-note{font-size:.85rem;color:rgba(255,255,255,.5);max-width:70ch;}

/* ============ CONTACT ============ */
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;
}
.contact-list{list-style:none;margin:0 0 40px;padding:0;display:flex;flex-direction:column;gap:22px;}
.contact-list li{display:flex;gap:16px;align-items:flex-start;}
.contact-icon{
  flex-shrink:0;width:40px;height:40px;border-radius:50%;
  background:var(--paper-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}
.contact-list strong{display:block;font-size:.98rem;margin-bottom:4px;}
.contact-list p, .contact-list a{font-size:.94rem;opacity:.78;}
.contact-list a:hover{color:var(--accent);opacity:1;}
.hours-table{display:flex;flex-direction:column;gap:4px;margin-top:4px;}
.hours-table div{display:flex;justify-content:space-between;gap:20px;font-size:.9rem;opacity:.78;max-width:280px;}

.contact-map{
  min-height:420px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
}
.contact-map iframe{width:100%;height:100%;min-height:420px;}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.55);padding:44px 0;}
.footer-inner{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
}
.footer-logo{
  height:30px;
  background:#fff;
  padding:8px 14px;
  border-radius:var(--radius);
}
.footer-note{font-size:.85rem;}
.footer-copy{font-size:.8rem;opacity:.7;}

/* ============ WHATSAPP FLOAT ============ */
.wa-float{
  position:fixed;right:24px;bottom:24px;z-index:60;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.25);
  transition:transform .2s ease;
}
.wa-float:hover{transform:scale(1.08);}

/* ============ RESPONSIVE ============ */
@media (max-width: 1100px){
  .header-inner{height:90px;}
  .brand-logo{height:62px;}
  .main-nav{gap:20px;}
}

@media (max-width: 980px){
  .header-cta{display:none;}
  .hero-heading-row{grid-template-columns:minmax(0,.8fr) minmax(380px,1.2fr);gap:36px;}
  .hero-brand-logo,.hero-brand-logo-wide,.hero-brand-logo-dayton{height:76px;}
  .about-grid, .contact-grid{grid-template-columns:1fr;gap:48px;}
  .about-visual{order:-1;}
  .tire-illustration{max-width:220px;}
  .brand-grid{grid-template-columns:repeat(2,1fr);}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .installment-badges{grid-template-columns:repeat(2,1fr);}
  .contact-map{min-height:320px;}
  .contact-map iframe{min-height:320px;}
}

@media (max-width: 860px){
  .hero-heading-row{grid-template-columns:1fr;gap:32px;}
  .hero-brands{max-width:720px;}
  .header-inner{height:82px;}
  .main-nav{
    position:fixed;top:82px;left:0;right:0;bottom:0;
    background:var(--paper);
    flex-direction:column;
    align-items:flex-start;
    padding:32px 28px;
    gap:8px;
    transform:translateX(100%);
    transition:transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav a{width:100%;padding:14px 0;font-size:1.1rem;border-bottom:1px solid var(--line);}
  .main-nav .nav-whatsapp{
    display:flex;align-items:center;justify-content:center;
    margin-top:16px;border-bottom:none;border-radius:var(--radius);
    background:var(--accent);color:#fff;font-weight:600;
  }
  .header-cta{display:none;}
  .brand-logo{height:50px;}
  .nav-toggle{display:flex;}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.is-open span:nth-child(2){opacity:0;}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
}

@media (max-width: 640px){
  .hero{padding:90px 0 60px;}
  .hero-heading-row{gap:26px;margin-bottom:28px;}
  .hero-brands{padding:0;}
  .hero-brands-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px;}
  .hero-brand-logo,.hero-brand-logo-wide,.hero-brand-logo-dayton{width:100%;height:64px;max-width:none;}
  .section{padding:72px 0;}
  .brand-grid{grid-template-columns:1fr;}
  .service-grid{grid-template-columns:1fr;}
  .installment-badges{grid-template-columns:1fr;}
  .footer-inner{flex-direction:column;align-items:flex-start;}
}