/* =========================================================
   CAP — Customização em Asfaltos e Pavimentos
   Tema: luz de concreto + blocos de pavimento. A marca é o herói.
   Paleta clara, grafite suave (nada de preto pesado), âmbar de sinalização.
   ========================================================= */

:root{
  /* superfícies claras */
  --paper:    #f1ede5;   /* concreto claro — fundo principal */
  --paper-2:  #e8e3d8;   /* painel */
  --paper-3:  #dfd9cc;   /* painel mais fechado */
  --card:     #faf8f3;   /* cartão claro */

  /* tons da marca (os três blocos cap) */
  --ink:      #1c1e22;   /* grafite — bloco "p", textos fortes */
  --ink-soft: #34373d;   /* texto corrido escuro */
  --steel:    #6f747b;   /* aço — bloco "a" */
  --steel-2:  #8a8f96;
  --steel-3:  #b6b9bf;

  /* acento */
  --amber:    #f2a900;   /* sinalização — bloco "c" e destaques */
  --amber-2:  #ffbe2e;
  --amber-ink:#231900;

  --hair:     rgba(28,30,34,.12);   /* linhas finas no claro */
  --hair-2:   rgba(28,30,34,.07);

  --ff-display:"Anton", system-ui, sans-serif;
  --ff-text:   "Space Grotesk", system-ui, sans-serif;

  --wrap: 1240px;
  --pad:  clamp(22px, 5vw, 64px);
  --r:    18px;
  --ease: cubic-bezier(.16,.84,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--ff-text);
  background:var(--paper);
  color:var(--ink-soft);
  line-height:1.6;
  overflow-x:hidden;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
section{position:relative}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}

/* textura de concreto sutil sobre o fundo todo */
.grain{
  position:fixed;inset:0;z-index:9000;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}

/* faixa de progresso — risca de pista âmbar que preenche ao rolar */
.scroll-rail{
  position:fixed;top:0;left:0;width:4px;height:100vh;z-index:8000;
  background:repeating-linear-gradient(180deg,var(--paper-3) 0 14px,transparent 14px 30px);
}
.scroll-rail__fill{
  display:block;width:100%;height:0;
  background:repeating-linear-gradient(180deg,var(--amber) 0 14px,transparent 14px 30px);
  box-shadow:0 0 12px rgba(242,169,0,.45);
}

/* ===================== NAV ===================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--hair-2);
  transition:background .35s,border-color .35s,box-shadow .35s}
.nav.scrolled{background:rgba(255,255,255,.94);
  border-bottom-color:var(--hair);box-shadow:0 10px 30px -22px rgba(28,30,34,.5)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;padding-block:12px;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand__logo{height:30px;width:auto}
.brand__sub{font-size:.62rem;line-height:1.18;letter-spacing:.13em;
  text-transform:uppercase;color:var(--steel);border-left:1px solid var(--hair);
  padding-left:12px;font-weight:600}
.nav__links{display:flex;align-items:center;gap:1.5rem}
.nav__links>a:not(.btn){font-weight:600;font-size:.9rem;color:var(--ink-soft);
  position:relative;padding-block:4px}
.nav__links>a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;height:2px;
  width:0;background:var(--amber);transition:width .3s var(--ease)}
.nav__links>a:not(.btn):hover{color:var(--ink)}
.nav__links>a:not(.btn):hover::after{width:100%}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav__toggle span{width:26px;height:2px;background:var(--ink);transition:.3s var(--ease)}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- typography ---------------- */
h1,h2,h3{font-family:var(--ff-display);font-weight:400;line-height:.96;
  letter-spacing:.01em;color:var(--ink);text-transform:uppercase}
h2{font-size:clamp(2.1rem,5.2vw,4.4rem)}
h3{font-size:1.18rem;letter-spacing:.02em;line-height:1.05}
em{font-style:normal;color:var(--amber);-webkit-text-stroke:.6px var(--amber-ink)}
strong{color:var(--ink);font-weight:600}

.kicker{font-family:var(--ff-text);font-weight:700;font-size:.76rem;letter-spacing:.26em;
  text-transform:uppercase;color:var(--steel);margin-bottom:1.1rem;display:inline-flex;
  align-items:center;gap:.7em}
.kicker::before{content:"";width:26px;height:2px;background:var(--amber)}
.lead{font-size:clamp(1.02rem,1.6vw,1.22rem);color:var(--ink-soft);max-width:60ch;margin-top:1.2rem}

/* ---------------- buttons ---------------- */
.btn{
  --bg:transparent;--fg:var(--ink);--bd:transparent;
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--ff-text);font-weight:600;font-size:.92rem;letter-spacing:.02em;
  padding:.78em 1.3em;border-radius:100px;border:1.5px solid var(--bd);
  background:var(--bg);color:var(--fg);cursor:pointer;
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;
}
.btn:hover{transform:translateY(-2px)}
.btn--solid{--bg:var(--ink);--fg:#faf8f3;--bd:var(--ink)}
.btn--solid:hover{--bg:#000;box-shadow:0 14px 30px -14px rgba(28,30,34,.7)}
.btn--amber{--bg:var(--amber);--fg:var(--amber-ink);--bd:var(--amber)}
.btn--amber:hover{--bg:var(--amber-2);box-shadow:0 14px 30px -12px rgba(242,169,0,.6)}
.btn--line{--bd:var(--hair);--fg:var(--ink)}
.btn--line:hover{--bd:var(--ink);--fg:var(--ink)}
.btn--ghost{--fg:var(--ink-soft)}
.btn--ghost:hover{--fg:var(--ink)}
.btn--lg{padding:1em 1.7em;font-size:1rem}
.arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* ===================== HERO ===================== */
.hero{min-height:100svh;display:flex;align-items:center;
  padding-top:130px;padding-bottom:90px;overflow:hidden;
  background:
    radial-gradient(120% 80% at 85% 8%, #fbf9f3 0%, transparent 55%),
    radial-gradient(90% 70% at 0% 100%, var(--paper-2) 0%, transparent 60%),
    var(--paper);
}
.hero__inner{position:relative;z-index:3;width:100%;display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:clamp(2.4rem,5vw,4.8rem);align-items:center;perspective:1100px}
.eyebrow{display:inline-flex;align-items:center;gap:.6em;font-weight:600;
  font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);
  border:1px solid var(--hair);border-radius:100px;padding:.5em 1.1em;background:rgba(255,255,255,.55)}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 0 0 rgba(242,169,0,.6);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(242,169,0,0)}100%{box-shadow:0 0 0 0 rgba(242,169,0,0)}}

/* SLAB: o logo oficial sobre branco, o herói da página */
.logo-slab{position:relative;background:#fff;border-radius:calc(var(--r) + 8px);
  padding:clamp(2rem,4.5vw,3.6rem);border:1px solid rgba(28,30,34,.07);
  box-shadow:0 50px 90px -45px rgba(28,30,34,.5), 0 2px 0 rgba(255,255,255,.7) inset;
  transition:transform .5s var(--ease);transform-style:preserve-3d;will-change:transform}
.logo-slab::before{ /* canto âmbar, como um selo de obra */
  content:"";position:absolute;top:16px;right:16px;width:30px;height:30px;
  border-top:3px solid var(--amber);border-right:3px solid var(--amber);
  border-radius:0 8px 0 0;opacity:.85}
.logo-slab img{width:100%;max-width:500px;margin-inline:auto}
.hero__brand{transform:translateY(28px);opacity:0;animation:lay .9s var(--ease) .1s forwards}
@keyframes lay{to{transform:translateY(0);opacity:1}}

.hero__copy{display:grid;gap:0}
.hero__title{margin:1.4rem 0 0;font-size:clamp(2.6rem,6vw,5rem);line-height:.92}
.hero__title em{display:block}
.hero__lead{font-size:clamp(1.05rem,1.7vw,1.3rem);max-width:54ch;color:var(--ink-soft);margin-top:1.3rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:2.1rem}

/* faixa de pista âmbar correndo no rodapé do hero */
.hero__lane{position:absolute;left:0;right:0;bottom:0;height:10px;z-index:2;overflow:hidden}
.hero__lane::before{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,var(--amber) 0 54px,transparent 54px 120px);
  animation:rush 1.5s linear infinite;filter:drop-shadow(0 0 6px rgba(242,169,0,.4))}
@keyframes rush{to{background-position-x:120px}}

/* ===================== MARQUEE ===================== */
.marquee{background:var(--ink);color:#faf8f3;overflow:hidden;
  border-block:3px solid var(--amber);position:relative;z-index:4}
.marquee__track{display:flex;align-items:center;gap:1.4rem;white-space:nowrap;
  padding-block:.7rem;width:max-content;animation:slide 38s linear infinite;
  font-family:var(--ff-display);text-transform:uppercase;font-size:1.05rem;letter-spacing:.02em}
.marquee__track i{font-style:normal;font-size:.6rem;color:var(--amber)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ===================== STATS ===================== */
.stats{background:var(--paper-2)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hair)}
.stat{background:var(--paper-2);padding:clamp(1.8rem,4vw,3.2rem) 1.4rem;text-align:center}
.stat__num{display:block;font-family:var(--ff-display);font-size:clamp(2.8rem,6vw,4.6rem);
  color:var(--ink);line-height:1}
.stat__num em{color:var(--amber);-webkit-text-stroke:0}
.stat__lbl{display:block;margin-top:.6rem;font-size:.86rem;color:var(--steel);
  letter-spacing:.02em;max-width:22ch;margin-inline:auto}

/* ===================== SECTIONS ===================== */
.section{padding-block:clamp(4.5rem,9vw,8.5rem)}
.section--alt{background:var(--paper-2)}
.section--ink{background:
  radial-gradient(90% 70% at 15% 0%,#26282d 0%,transparent 60%),var(--ink);color:#cfd2d6}
.section--ink h2,.section--ink h3{color:#faf8f3}
.section--ink .lead{color:#c2c5ca}
.section--ink .kicker{color:var(--amber-2)}
.section--ink .contact li{border-bottom-color:rgba(255,255,255,.12)}
.section--ink .contact li a{color:#faf8f3}
.section--ink .contact li a:hover{color:var(--amber-2)}
.section__head{margin-bottom:clamp(2.4rem,5vw,4rem);max-width:42ch}
.section__head .lead{margin-top:1.4rem}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2.4rem,6vw,5.5rem);align-items:start}
.col-sticky{position:sticky;top:120px}

/* pillars */
.pillars{list-style:none;display:grid;gap:1px;background:var(--hair);
  border:1px solid var(--hair);border-radius:var(--r);overflow:hidden}
.pillars li{background:var(--card);padding:1.7rem 1.8rem;display:grid;transition:background .3s}
.pillars li:hover{background:#fff}
.pillars b{font-family:var(--ff-display);font-weight:400;font-size:1.2rem;
  text-transform:uppercase;color:var(--ink);letter-spacing:.02em;display:flex;align-items:center;gap:.7rem}
.pillars b::before{content:"";width:11px;height:11px;background:var(--amber);flex:0 0 auto;
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.pillars span{color:var(--steel);margin-top:.4rem;font-size:.96rem}

/* ===================== CARDS (produtos) ===================== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{position:relative;background:var(--card);border:1px solid var(--hair);
  border-radius:var(--r);padding:2rem 1.7rem 1.8rem;overflow:hidden;
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;
  background:var(--amber);transition:width .4s var(--ease)}
.card:hover{transform:translateY(-6px);border-color:rgba(242,169,0,.55);
  box-shadow:0 24px 50px -28px rgba(28,30,34,.4)}
.card:hover::before{width:100%}
.card--wide{grid-column:span 2}
.card__no{font-family:var(--ff-display);font-size:2.6rem;color:var(--paper-3);
  line-height:1;display:block;transition:color .35s}
.card:hover .card__no{color:var(--amber)}
.card h3{margin:.7rem 0 .6rem;color:var(--ink)}
.card p{color:var(--steel)}

/* ===================== SERVIÇOS (accordion) ===================== */
.svc{border-top:1px solid var(--hair)}
.svc__item{border-bottom:1px solid var(--hair)}
.svc__item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:1.1rem;
  padding:1.5rem 0;font-family:var(--ff-display);text-transform:uppercase;
  font-size:clamp(1.15rem,2.3vw,1.7rem);color:var(--steel);transition:color .3s;letter-spacing:.015em}
.svc__item summary::-webkit-details-marker{display:none}
.svc__item summary:hover,.svc__item[open] summary{color:var(--ink)}
.svc__n{font-size:.78rem;font-family:var(--ff-text);font-weight:700;color:var(--amber);
  letter-spacing:.1em;min-width:2.4rem}
.plus{margin-left:auto;width:18px;height:18px;position:relative;flex:0 0 auto}
.plus::before,.plus::after{content:"";position:absolute;background:var(--amber);inset:0;margin:auto;
  transition:transform .3s var(--ease)}
.plus::before{width:18px;height:2px}.plus::after{width:2px;height:18px}
.svc__item[open] .plus::after{transform:rotate(90deg);opacity:0}
.svc__body{padding:0 0 1.6rem calc(2.4rem + 1.1rem);color:var(--ink-soft);max-width:70ch;font-size:1rem}

/* ===================== GALLERY (planta) ===================== */
.gallery{display:grid;grid-template-columns:1.7fr 1fr;grid-auto-rows:1fr;gap:16px}
.gallery__item{position:relative;border-radius:var(--r);overflow:hidden;background:var(--paper-3);
  border:1px solid var(--hair)}
.gallery__item--big{grid-row:span 2}
.gallery__item img{width:100%;height:100%;object-fit:cover;
  filter:grayscale(.35) contrast(1.03) brightness(1.02);transition:transform .7s var(--ease),filter .5s}
.gallery__item:hover img{transform:scale(1.05);filter:grayscale(0) contrast(1.05) brightness(1)}
.gallery__item figcaption{position:absolute;left:0;bottom:0;right:0;z-index:2;
  padding:1.1rem 1.3rem;font-family:var(--ff-display);text-transform:uppercase;
  font-size:.95rem;letter-spacing:.03em;color:#faf8f3;
  background:linear-gradient(180deg,transparent,rgba(20,22,25,.86));border-top:3px solid var(--amber)}

/* ===================== P&D imgs ===================== */
.pd-imgs{display:grid;gap:16px}
.pd-imgs figure{border-radius:var(--r);overflow:hidden;border:1px solid var(--hair)}
.pd-imgs img{width:100%;filter:grayscale(.25) brightness(1.02);transition:filter .5s,transform .7s var(--ease)}
.pd-imgs figure:hover img{filter:none;transform:scale(1.03)}

/* ===================== BAND CTA ===================== */
.band{background:var(--amber);color:var(--amber-ink);overflow:hidden;position:relative}
.band::before,.band::after{content:"";position:absolute;left:0;right:0;height:14px;
  background:repeating-linear-gradient(90deg,var(--amber-ink) 0 38px,transparent 38px 76px)}
.band::before{top:0}.band::after{bottom:0}
.band__inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;
  flex-wrap:wrap;padding-block:clamp(3rem,6vw,5rem)}
.band h2{color:var(--amber-ink)}.band em{color:#fff;-webkit-text-stroke:1px var(--amber-ink)}
.band .btn--solid{--bg:var(--amber-ink);--fg:var(--amber);--bd:var(--amber-ink)}
.band .btn--solid:hover{--bg:#000;box-shadow:0 12px 30px -12px rgba(0,0,0,.4)}

/* ===================== CONTATO ===================== */
.contact{list-style:none;margin-top:2.4rem;display:grid;gap:1.6rem}
.contact li{display:grid;gap:.2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--hair)}
.contact__lbl{font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--amber-2);font-weight:700}
.contact li a{font-family:var(--ff-display);text-transform:uppercase;color:#faf8f3;
  font-size:clamp(1.2rem,2.6vw,1.7rem);line-height:1.15;transition:color .3s;display:block}
.contact li a:hover{color:var(--amber-2)}
.contact__cta{display:flex;gap:14px;margin-top:2rem;flex-wrap:wrap}
.map{border-radius:var(--r);overflow:hidden;border:1px solid rgba(255,255,255,.14);min-height:360px;height:100%}
.map iframe{width:100%;height:100%;min-height:360px;border:0;filter:grayscale(.4) contrast(.95)}

/* ===================== FOOTER ===================== */
.footer{background:var(--ink);color:#a4a8ad;padding-top:clamp(3rem,6vw,4.5rem)}
.footer__inner{display:flex;justify-content:space-between;gap:2.5rem;flex-wrap:wrap;padding-bottom:2.5rem}
.footer__logo{height:48px;width:auto;margin-bottom:1rem}
.footer__brand p{color:var(--steel-2);font-size:.92rem}
.footer__nav{display:flex;flex-wrap:wrap;gap:1rem 1.8rem;align-content:flex-start}
.footer__nav a{color:#cfd2d6;font-weight:600;transition:color .3s}
.footer__nav a:hover{color:var(--amber-2)}
.footer__bar{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding-block:1.6rem;border-top:1px solid rgba(255,255,255,.1);font-size:.82rem;color:var(--steel-2)}
.footer__sig{color:#cfd2d6}

/* FAB whatsapp */
.fab{position:fixed;right:22px;bottom:22px;z-index:900;width:56px;height:56px;
  display:grid;place-items:center;border-radius:50%;background:var(--amber);color:var(--amber-ink);
  box-shadow:0 14px 30px -10px rgba(28,30,34,.5);transition:transform .3s var(--ease)}
.fab:hover{transform:scale(1.08) translateY(-2px)}

/* ===================== REVEAL ===================== */
.reveal{opacity:0;transform:translateY(26px);
  transition:opacity .8s var(--ease) var(--d,0s),transform .8s var(--ease) var(--d,0s)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  .hero__lane::before,.marquee__track,.eyebrow .dot{animation:none}
  .hero__brand{animation:none;opacity:1;transform:none}
  .logo-slab{transition:none}
  html{scroll-behavior:auto}
}

/* ===================== RESPONSIVE ===================== */
@media (max-width:900px){
  .grid-2{grid-template-columns:1fr}
  .col-sticky{position:static}
  .cards{grid-template-columns:repeat(2,1fr)}
  .card--wide{grid-column:span 2}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:1fr}
  .gallery__item--big{grid-row:auto}
  .pd-imgs{grid-template-columns:1fr 1fr}

  .nav__links{position:fixed;inset:0 0 0 auto;width:min(82vw,340px);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:1.6rem;
    background:rgba(241,237,229,.98);backdrop-filter:blur(16px);padding:2rem var(--pad);
    transform:translateX(100%);transition:transform .4s var(--ease);
    border-left:1px solid var(--hair)}
  .nav__links.open{transform:none}
  .nav__links>a:not(.btn){font-size:1.3rem;font-family:var(--ff-display);text-transform:uppercase}
  .nav__links .btn{width:100%;justify-content:center}
  .nav__toggle{display:flex;z-index:1001}
  .brand__sub{display:none}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .card--wide{grid-column:auto}
  .stats__grid{grid-template-columns:1fr 1fr}
  .pd-imgs{grid-template-columns:1fr}
  .band__inner{flex-direction:column;align-items:flex-start}
  .footer__bar{flex-direction:column}
  .hero__say{max-width:none}
}