/* ===========================================================
   GOBBI Implementos Rodoviários — design system
   Palette : graphite + brand red, industrial / heavy-duty
   Type    : Saira Condensed (display) · Barlow (body)
   Signature: red diagonal slash (clip-path) from the brand
   =========================================================== */

:root{
  --ink:#161618;
  --ink-2:#1f1f23;
  --ink-3:#26262b;
  --steel:#33333a;
  --steel-2:#44444c;
  --red:#e11d24;
  --red-2:#f23b41;
  --red-deep:#8f1418;
  --paper:#f1f0ee;
  --ash:#9b9ba2;
  --ash-2:#74747b;

  --shadow:0 18px 50px -20px rgba(0,0,0,.7);
  --slash: polygon(7% 0, 100% 0, 93% 100%, 0% 100%);
  --maxw:1200px;
  --gut:clamp(20px,5vw,64px);

  --ff-disp:"Saira Condensed",system-ui,sans-serif;
  --ff-body:"Barlow",system-ui,sans-serif;
  --ff-util:"Barlow Semi Condensed",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:var(--ff-body);
  background:var(--ink);
  color:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3{font-family:var(--ff-disp);font-weight:800;line-height:.98;letter-spacing:.01em;margin:0}
h1{font-size:clamp(2.6rem,7vw,5.6rem);text-transform:uppercase}
h2{font-size:clamp(2rem,4.4vw,3.4rem);text-transform:uppercase}
h3{font-size:clamp(1.3rem,2.2vw,1.7rem);text-transform:uppercase;font-weight:700}
p{margin:0 0 1rem}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
.section{padding-block:clamp(56px,9vw,120px)}
.eyebrow{
  font-family:var(--ff-util);font-weight:600;text-transform:uppercase;
  letter-spacing:.32em;font-size:.78rem;color:var(--red-2);
  display:inline-block;margin-bottom:1rem;
}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ash);max-width:60ch}

/* ---- brand slash tag : the signature device ---- */
.tag{
  display:inline-block;font-family:var(--ff-disp);font-weight:800;
  text-transform:uppercase;letter-spacing:.04em;line-height:1;
  color:#fff;background:var(--red);
  padding:.55em 1.5em .6em;clip-path:var(--slash);
}
.tag--ghost{background:var(--steel)}

/* ---------------- buttons ---------------- */
.btn{
  --bg:var(--red);--fg:#fff;
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--ff-util);font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;font-size:.95rem;
  background:var(--bg);color:var(--fg);
  padding:.95em 1.7em;border:0;cursor:pointer;
  clip-path:polygon(6% 0,100% 0,94% 100%,0 100%);
  transition:transform .18s ease,background .18s ease;
}
.btn:hover{transform:translateY(-2px);background:var(--red-2)}
.btn--ghost{--bg:transparent;--fg:var(--paper);box-shadow:inset 0 0 0 2px var(--steel-2)}
.btn--ghost:hover{--bg:var(--ink-3);background:var(--ink-3)}
.btn svg{width:1.15em;height:1.15em;fill:currentColor}

/* ---------------- header ---------------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(18,18,20,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--steel);
}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:74px}
.brand{flex:none;display:inline-flex}
.brand img{height:38px;width:auto;max-width:none}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{
  font-family:var(--ff-util);font-weight:600;text-transform:uppercase;
  letter-spacing:.05em;font-size:.86rem;color:var(--ash);
  padding:.3em 0;position:relative;transition:color .15s;
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--paper)}
.nav a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--red)
}
.head-cta{display:inline-flex}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:2px;background:var(--paper);margin:5px 0;transition:.25s}

@media (max-width:920px){
  .nav{
    position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:flex-start;
    gap:0;background:var(--ink-2);border-bottom:1px solid var(--steel);
    padding:.5rem var(--gut) 1.5rem;transform:translateY(-130%);transition:transform .3s ease;
    box-shadow:var(--shadow);
  }
  .nav.open{transform:translateY(0)}
  .nav a{width:100%;padding:.85rem 0;border-bottom:1px solid var(--steel);font-size:1rem}
  .head-cta{display:none}
  .burger{display:block}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* ---------------- hero ---------------- */
.hero{position:relative;isolation:isolate;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero::before{ /* graphite wash */
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,var(--ink) 18%,rgba(22,22,24,.78) 55%,rgba(22,22,24,.35) 100%);
}
.hero-inner{padding-block:clamp(70px,13vw,150px);max-width:760px}
.hero h1 span{color:var(--red-2)}
.hero .lead{color:#cfcfd4;margin-block:1.4rem 2.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem}
/* diagonal red bar bottom of hero */
.hero-bar{position:absolute;left:0;bottom:0;width:100%;height:14px;
  background:repeating-linear-gradient(115deg,var(--red) 0 70px,var(--red-deep) 70px 140px);
  z-index:-1}

/* ---------------- credibility strip ---------------- */
.strip{background:var(--ink-2);border-block:1px solid var(--steel)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--steel)}
.strip-cell{background:var(--ink-2);padding:1.6rem clamp(1rem,2.5vw,2rem)}
.strip-cell b{font-family:var(--ff-disp);font-weight:800;font-size:1.55rem;display:block;text-transform:uppercase}
.strip-cell span{font-family:var(--ff-util);color:var(--ash);font-size:.86rem}
@media (max-width:780px){.strip-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------------- section heading block ---------------- */
.head-block{max-width:64ch;margin-bottom:clamp(2.2rem,5vw,3.6rem)}

/* ---------------- service grid (home) ---------------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.6vw,22px)}
@media (max-width:900px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.svc-grid{grid-template-columns:1fr}}
.svc{
  position:relative;display:flex;flex-direction:column;
  background:var(--ink-2);border:1px solid var(--steel);overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.svc:hover{transform:translateY(-5px);border-color:var(--steel-2)}
.svc-media{aspect-ratio:16/10;overflow:hidden;position:relative}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;filter:saturate(.95)}
.svc:hover .svc-media img{transform:scale(1.06)}
.svc-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(22,22,24,.85));}
.svc-body{padding:1.3rem 1.4rem 1.5rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.svc-body h3{color:var(--paper)}
.svc-body p{color:var(--ash);font-size:.95rem;margin:0}
.svc-more{margin-top:auto;padding-top:1rem;font-family:var(--ff-util);font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;font-size:.82rem;color:var(--red-2);
  display:inline-flex;align-items:center;gap:.5em}
.svc-more::after{content:"→";transition:transform .2s}
.svc:hover .svc-more::after{transform:translateX(4px)}
.svc-num{position:absolute;top:0;left:0;z-index:2;
  font-family:var(--ff-disp);font-weight:800;font-size:.95rem;color:#fff;
  background:var(--red);padding:.35em 1em .4em;clip-path:polygon(0 0,100% 0,86% 100%,0 100%)}

/* ---------------- split feature (service pages) ---------------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,68px);align-items:center}
.split.rev .split-media{order:2}
@media (max-width:840px){.split{grid-template-columns:1fr}.split.rev .split-media{order:0}}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media .tag{position:absolute;bottom:-14px;left:-6px}

/* ---------------- spec list ---------------- */
.specs{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:.2rem}
.specs li{
  display:grid;grid-template-columns:auto 1fr;gap:.9rem;align-items:baseline;
  padding:.85rem 0;border-bottom:1px solid var(--steel);color:#d9d9dd;
}
.specs li::before{content:"";width:11px;height:11px;background:var(--red);
  clip-path:polygon(0 0,100% 0,72% 100%,0 100%);transform:translateY(2px)}

/* ---------------- gallery (before/after) ---------------- */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.5vw,20px)}
@media (max-width:760px){.gal{grid-template-columns:1fr}}
.gal-col h3{font-size:1.1rem;margin-bottom:.9rem;color:var(--ash)}
.gal-col h3 b{color:var(--red-2)}
.gal figure{margin:0;position:relative;overflow:hidden;border:1px solid var(--steel)}
.gal figure+figure{margin-top:clamp(12px,1.5vw,20px)}
.gal img{width:100%;aspect-ratio:3/2;object-fit:cover}

/* ---------------- big CTA band ---------------- */
.cta-band{position:relative;background:var(--ink-2);overflow:hidden;border-block:1px solid var(--steel)}
.cta-band::before{content:"";position:absolute;inset:0;z-index:0;
  background:repeating-linear-gradient(115deg,transparent 0 60px,rgba(225,29,36,.05) 60px 61px)}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:2rem}
.cta-inner h2{max-width:18ch}
.cta-inner .lead{margin:.6rem 0 0}

/* ---------------- footer ---------------- */
.site-foot{background:#101012;border-top:3px solid var(--red);padding-block:clamp(48px,7vw,80px) 2rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr;gap:2rem}}
.foot-brand img{height:48px;width:auto;max-width:none;margin-bottom:1.1rem}
.foot-brand p{color:var(--ash);max-width:38ch;font-size:.95rem}
.foot-col h4{font-family:var(--ff-util);text-transform:uppercase;letter-spacing:.12em;
  font-size:.82rem;color:var(--ash-2);margin:0 0 1rem}
.foot-col a,.foot-col li{display:block;color:#d2d2d6;font-size:.96rem;padding:.28rem 0}
.foot-col a:hover{color:var(--red-2)}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-bottom{margin-top:3rem;padding-top:1.4rem;border-top:1px solid var(--steel);
  display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:space-between;
  color:var(--ash-2);font-size:.82rem}
.foot-bottom a{color:var(--ash-2)}
.foot-bottom a:hover{color:var(--paper)}

/* ---------------- floating whatsapp ---------------- */
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;display:grid;place-items:center;
  box-shadow:0 10px 30px -6px rgba(0,0,0,.55);
  transition:transform .2s;animation:wa-pop .4s ease both .8s;
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}
@keyframes wa-pop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}

/* ---------------- page hero (inner pages) ---------------- */
.page-hero{position:relative;border-bottom:1px solid var(--steel);overflow:hidden;isolation:isolate}
.page-hero-bg{position:absolute;inset:0;z-index:-2}
.page-hero-bg img{width:100%;height:100%;object-fit:cover}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,var(--ink) 30%,rgba(22,22,24,.6))}
.page-hero-inner{padding-block:clamp(54px,9vw,96px);max-width:720px}
.crumbs{font-family:var(--ff-util);font-size:.82rem;color:var(--ash);
  text-transform:uppercase;letter-spacing:.08em;margin-bottom:1rem}
.crumbs a:hover{color:var(--red-2)}
.crumbs span{color:var(--steel-2);margin:0 .5em}

/* ---------------- reveal ---------------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------------- contact ---------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px)}
@media (max-width:780px){.contact-grid{grid-template-columns:1fr}}
.cinfo{display:grid;gap:1.2rem;margin-top:1.5rem}
.cinfo a{display:flex;align-items:center;gap:1rem;background:var(--ink-2);
  border:1px solid var(--steel);padding:1.1rem 1.3rem;transition:border-color .2s}
.cinfo a:hover{border-color:var(--red)}
.cinfo .ic{width:42px;height:42px;flex:none;display:grid;place-items:center;
  background:var(--ink-3);color:var(--red-2)}
.cinfo .ic svg{width:20px;height:20px;fill:currentColor}
.cinfo small{display:block;font-family:var(--ff-util);text-transform:uppercase;
  letter-spacing:.1em;font-size:.72rem;color:var(--ash-2)}
.cinfo b{font-weight:600;font-size:1.05rem}
.map-card{background:var(--ink-2);border:1px solid var(--steel);min-height:280px;
  display:grid;place-items:center;color:var(--ash-2);text-align:center;padding:2rem}

/* generic two-col intro on service pages */
.svc-intro{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:840px){.svc-intro{grid-template-columns:1fr}}

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

/* ---------------- nav dropdown ---------------- */
.has-sub{position:relative}
.nav-top{
  font-family:var(--ff-util);font-weight:600;text-transform:uppercase;letter-spacing:.05em;
  font-size:.86rem;color:var(--ash);background:none;border:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:.35em;padding:.3em 0;transition:color .15s;
}
.nav-top:hover,.nav-top.open-active,.has-sub:hover .nav-top,.has-sub:focus-within .nav-top{color:var(--paper)}
.nav-top .caret{font-size:.7em;transition:transform .2s}
.has-sub:hover .caret,.has-sub:focus-within .caret{transform:rotate(180deg)}
.nav-top.open-active{position:relative}
.nav-top.open-active::after{content:"";position:absolute;left:0;right:1.1em;bottom:-4px;height:2px;background:var(--red)}
.submenu{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:230px;background:var(--ink-2);border:1px solid var(--steel);box-shadow:var(--shadow);
  padding:.4rem;display:flex;flex-direction:column;opacity:0;visibility:hidden;
  transition:opacity .18s ease,transform .18s ease;z-index:60;
}
.submenu::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.submenu a{
  font-family:var(--ff-util);font-weight:600;text-transform:uppercase;letter-spacing:.04em;
  font-size:.82rem;color:var(--ash);padding:.65rem .9rem;white-space:nowrap;transition:background .15s,color .15s;
}
.submenu a:hover,.submenu a[aria-current="page"]{background:var(--ink-3);color:var(--paper)}
.submenu a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--red)}

@media (max-width:920px){
  .has-sub{width:100%}
  .nav-top{width:100%;justify-content:space-between;padding:.85rem 0;border-bottom:1px solid var(--steel);font-size:1rem}
  .nav-top.open-active::after{display:none}
  .submenu{position:static;transform:none;opacity:1;visibility:visible;min-width:0;
    border:0;box-shadow:none;background:transparent;padding:0 0 .5rem;display:flex}
  .has-sub:hover .caret,.has-sub:focus-within .caret{transform:none}
  .submenu a{padding:.7rem 0 .7rem 1rem;border-bottom:1px solid var(--steel);color:var(--ash)}
  .submenu a::before{content:"— ";color:var(--red-2)}
}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
input,select,textarea{border-radius:0}
input:focus,select:focus,textarea:focus{outline:2px solid var(--red-2);outline-offset:0;border-color:var(--red)}