/* ============================================================
   PavimentaSul — layout 2026 (robustez / alta carga)
   Paleta extraída do logotipo:
     terracota #AD3D2B · ouro #D5AA35 · cinza-concreto #C3C3C3
   Sem dependências remotas. System font stack. CSS vanilla.
   ============================================================ */

:root {
  --terra: #ad3d2b;
  --terra-hi: #c24a35;
  --ouro: #d5aa35;
  --concreto: #c3c3c3;

  --ink: #17181a;
  --bg: #ffffff;
  --surface: #f4f3f1;
  --line: #e4e1dd;
  --muted: #6b6560;

  --dark: #141517;
  --dark-2: #1c1e21;
  --dark-line: #2c2f33;
  --on-dark: #f3f2f0;
  --on-dark-muted: #9aa0a6;

  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 1180px;
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Tipografia utilitária */
.eyebrow {
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--terra); margin: 0 0 14px;
}
.eyebrow--light { color: var(--ouro); }
.sec__title {
  font-size: clamp(1.8rem, 4vw, 2.9rem); font-weight: 800; letter-spacing: -0.02em;
  line-height: 1.05; margin: 0 0 18px; text-transform: uppercase;
}
.sec__title--light { color: var(--on-dark); }
.sec__text { color: var(--muted); font-size: 1.08rem; max-width: 60ch; }
.sec__text--light { color: var(--on-dark-muted); }

/* Header */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.hdr__in { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.hdr__brand img { height: 44px; width: auto; }
.hdr__nav { display: flex; align-items: center; gap: 30px; }
.hdr__nav a { font-weight: 600; font-size: 0.95rem; color: var(--ink); }
.hdr__nav a:hover { color: var(--terra); }
.hdr__cta {
  background: var(--terra); color: #fff !important; padding: 10px 20px; border-radius: var(--radius);
  font-weight: 700;
}
.hdr__cta:hover { background: var(--terra-hi); }
.hdr__burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.hdr__burger span { display: block; width: 26px; height: 2px; background: var(--ink); margin: 5px 0; transition: 0.25s; }

/* Hero */
.hero { position: relative; background: var(--dark); color: var(--on-dark); overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0; opacity: 0.5;
  background:
    radial-gradient(1200px 500px at 78% -10%, rgba(173, 61, 43, 0.45), transparent 60%),
    radial-gradient(900px 500px at 10% 120%, rgba(213, 170, 53, 0.14), transparent 55%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 64px);
}
.hero__in { position: relative; padding: 96px 24px 84px; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--on-dark-muted); margin: 0 0 26px;
  border: 1px solid var(--dark-line); border-radius: 999px; padding: 7px 16px;
}
.kicker__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ouro); box-shadow: 0 0 12px var(--ouro); }
.hero__title {
  font-size: clamp(2.6rem, 7vw, 5.4rem); font-weight: 900; letter-spacing: -0.03em;
  line-height: 0.98; text-transform: uppercase; margin: 0 0 24px;
}
.hero__accent { color: var(--terra-hi); }
.hero__lead { color: var(--on-dark-muted); font-size: 1.2rem; max-width: 60ch; margin: 0 0 34px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero__stats { display: flex; gap: 48px; flex-wrap: wrap; margin: 0; padding-top: 34px; border-top: 1px solid var(--dark-line); }
.hero__stats dt { font-size: 2.4rem; font-weight: 900; letter-spacing: -0.02em; color: var(--on-dark); }
.hero__stats dd { margin: 2px 0 0; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-dark-muted); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem; padding: 15px 30px; border-radius: var(--radius);
  border: 2px solid transparent; cursor: pointer; transition: 0.2s; font-family: inherit;
}
.btn--solid { background: var(--terra); color: #fff; }
.btn--solid:hover { background: var(--terra-hi); transform: translateY(-2px); }
.btn--line { border-color: currentColor; color: var(--on-dark); }
.btn--line:hover { background: rgba(255,255,255,0.08); }
.btn--full { width: 100%; }

/* Marquee */
.marquee { background: var(--terra); color: #fff; overflow: hidden; border-bottom: 4px solid var(--ouro); }
.marquee__track {
  display: flex; align-items: center; gap: 26px; white-space: nowrap;
  padding: 14px 0; width: max-content; animation: slide 28s linear infinite;
  font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; font-size: 1.05rem;
}
.marquee__track .sep { opacity: 0.55; }
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* Sections */
.sec { padding: 92px 0; }
.sec--alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec--dark { background: var(--dark); color: var(--on-dark); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }

/* MVV */
.mvv { display: grid; gap: 16px; }
.mvv__item { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--terra); border-radius: var(--radius); padding: 20px 22px; }
.mvv__tag { display: inline-block; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; color: var(--terra); margin-bottom: 8px; }
.mvv__item p { margin: 0; color: var(--muted); font-size: 0.98rem; }

/* Capacidades */
.caps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--dark-line); border: 1px solid var(--dark-line); margin-top: 40px; }
.cap { background: var(--dark); padding: 34px 26px; }
.cap__num { font-size: 0.85rem; font-weight: 800; color: var(--ouro); letter-spacing: 0.1em; }
.cap h3 { margin: 14px 0 10px; font-size: 1.25rem; font-weight: 800; text-transform: uppercase; letter-spacing: -0.01em; }
.cap p { margin: 0; color: var(--on-dark-muted); font-size: 0.96rem; }

/* Produtos */
.prods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.prod { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg); transition: 0.2s; }
.prod:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(23, 24, 26, 0.14); border-color: var(--terra); }
.prod__img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--surface); }
.prod__img img { width: 100%; height: 100%; object-fit: cover; transition: 0.4s; }
.prod:hover .prod__img img { transform: scale(1.06); }
.prod__body { padding: 20px 22px; position: relative; }
.prod__body h3 { margin: 0 0 6px; font-size: 1.2rem; font-weight: 800; text-transform: uppercase; }
.prod__body p { margin: 0; color: var(--muted); font-size: 0.94rem; }
.spec { position: absolute; top: 20px; right: 22px; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em; color: #fff; background: var(--ink); padding: 4px 9px; border-radius: 999px; }

/* Serviços */
.servs { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.servs li {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em;
  font-size: 0.98rem; position: relative; padding-left: 48px;
}
.servs li::before {
  content: ""; position: absolute; left: 22px; top: 50%; transform: translateY(-50%);
  width: 12px; height: 12px; background: var(--ouro); clip-path: polygon(0 0, 100% 50%, 0 100%);
}

/* Contato */
.cinfo { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.cinfo li { display: flex; flex-direction: column; gap: 3px; color: var(--on-dark); }
.cinfo span { font-size: 0.72rem; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--on-dark-muted); }
.form { background: var(--dark-2); border: 1px solid var(--dark-line); border-radius: var(--radius); padding: 28px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-dark-muted); }
.field input, .field textarea {
  background: var(--dark); border: 1px solid var(--dark-line); border-radius: var(--radius);
  padding: 13px 14px; color: var(--on-dark); font-family: inherit; font-size: 1rem;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--terra); box-shadow: 0 0 0 3px rgba(173, 61, 43, 0.25); }
.form__status { font-size: 0.95rem; min-height: 1.2em; font-weight: 700; margin: 12px 0 0; color: var(--on-dark); }
.form__status.ok { color: #4ec07a; }
.form__status.err { color: #ff6b5e; }

/* Footer */
.ftr { background: var(--dark); color: var(--on-dark-muted); border-top: 1px solid var(--dark-line); padding: 44px 0; }
.ftr__in { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.ftr__logo { height: 42px; filter: brightness(0) invert(1); opacity: 0.9; margin-bottom: 8px; }
.ftr p { margin: 0; font-size: 0.9rem; }
.ftr__copy { font-size: 0.82rem; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* Responsivo */
@media (max-width: 940px) {
  .caps { grid-template-columns: repeat(2, 1fr); }
  .prods { grid-template-columns: repeat(2, 1fr); }
  .servs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .hdr__nav { position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 24px 20px; transform: translateY(-140%); transition: transform 0.3s; }
  .hdr__nav.is-open { transform: none; }
  .hdr__nav a { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .hdr__cta { margin-top: 12px; text-align: center; }
  .hdr__burger { display: block; }
  .grid2 { grid-template-columns: 1fr; gap: 36px; }
  .hero__stats { gap: 28px; }
  .hero__stats dt { font-size: 1.9rem; }
}
@media (max-width: 560px) {
  .prods { grid-template-columns: 1fr; }
  .servs { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}