/* ============================================================
   RB Transportes & Locações — Landing Page
   Estética industrial/Web3: dark, grid, amarelo CAT
   ============================================================ */

:root {
  --bg: #0b0e13;
  --bg-alt: #10141c;
  --surface: #151a24;
  --border: #232a38;
  --text: #eef2f7;
  --muted: #9aa6b8;
  --accent: #f5b301;
  --accent-2: #ff7a00;
  --grad: linear-gradient(100deg, var(--accent), var(--accent-2));
  --radius: 16px;
  --shadow: 0 18px 40px rgba(0, 0, 0, .45);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, 92%); margin-inline: auto; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tag {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  padding: .35rem .9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.08; font-weight: 900; letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -.01em; margin-bottom: .8rem; }
h3 { font-size: 1.15rem; margin-bottom: .5rem; }

/* ---------- Barra de progresso ---------- */
.scroll-progress {
  position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 100;
  background: var(--grad);
  transform-origin: left; transform: scaleX(0);
}

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.header.scrolled { border-color: var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: .7rem; font-weight: 800; }
.brand-logo {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--grad); color: #0b0e13;
  font-weight: 900; font-size: 1.05rem;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 40%, transparent);
}
.brand-text { font-size: .95rem; line-height: 1.2; }
.brand-text em { display: block; font-style: normal; color: var(--muted); font-size: .8rem; }
.menu { display: flex; align-items: center; gap: 1.6rem; list-style: none; font-weight: 600; font-size: .95rem; }
.menu a:not(.btn) { color: var(--muted); transition: color .2s; }
.menu a:not(.btn):hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--grad); color: #0b0e13;
  font-weight: 800; padding: .9rem 1.7rem; border-radius: 12px;
  border: 0; cursor: pointer; font-size: 1rem;
  box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 35%, transparent);
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 16px 34px color-mix(in srgb, var(--accent) 45%, transparent); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border); box-shadow: none;
}
.btn-ghost:hover { border-color: var(--accent); box-shadow: none; }
.btn-small { padding: .55rem 1.1rem; font-size: .9rem; }
.btn-full { width: 100%; justify-content: center; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--border) 60%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 60%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 75%);
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: .35; pointer-events: none;
}
.hero-orb--1 { width: 420px; height: 420px; background: var(--accent); top: -120px; right: -80px; animation: float 9s ease-in-out infinite; }
.hero-orb--2 { width: 320px; height: 320px; background: var(--accent-2); bottom: -100px; left: -100px; animation: float 11s ease-in-out infinite reverse; }

.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; position: relative; }
.lead { color: var(--muted); font-size: 1.12rem; max-width: 46ch; margin: 1.2rem 0 1.8rem; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 2.4rem; list-style: none; margin-top: 2.6rem; }
.hero-stats strong { font-size: 2rem; font-weight: 900; color: var(--accent); display: block; }
.hero-stats span { font-size: .8rem; color: var(--muted); line-height: 1.35; display: block; }

/* ---------- Escavadeira animada ---------- */
.hero-art { position: relative; }
.excavator { width: 100%; height: auto; filter: drop-shadow(0 24px 30px rgba(0,0,0,.5)); }
.terrain-line { animation: dashmove 1.4s linear infinite; }
.tracks { animation: rumble .35s ease-in-out infinite alternate; }
.track-wheels circle { transform-origin: center; transform-box: fill-box; animation: spin 1.6s linear infinite; }
.body { transform-origin: 235px 335px; transform-box: view-box; animation: sway 5s ease-in-out infinite; }
.boom { transform-origin: 300px 270px; transform-box: view-box; animation: boomMove 6s ease-in-out infinite; }
.arm { transform-origin: 394px 184px; transform-box: view-box; animation: armMove 6s ease-in-out infinite; }
.bucket { transform-origin: 466px 244px; transform-box: view-box; animation: bucketCurl 6s ease-in-out infinite; }
.light { animation: blink 3s ease-in-out infinite; }

.dust {
  position: absolute; width: 14px; height: 14px; border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 55%, #fff 10%);
  opacity: 0; filter: blur(3px);
}
.dust--1 { bottom: 6%; left: 8%;  animation: dust 3.2s ease-out infinite; }
.dust--2 { bottom: 8%; left: 22%; animation: dust 3.2s ease-out infinite 1.1s; }
.dust--3 { bottom: 5%; left: 38%; animation: dust 3.2s ease-out infinite 2.2s; }

.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 44px; border: 2px solid var(--muted); border-radius: 14px;
}
.scroll-hint span {
  position: absolute; top: 8px; left: 50%; width: 4px; height: 9px;
  background: var(--accent); border-radius: 2px; transform: translateX(-50%);
  animation: wheel 1.6s ease-in-out infinite;
}

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--border); background: var(--bg-alt); overflow: hidden; padding: 1rem 0; }
.marquee-track { display: flex; gap: 2.6rem; width: max-content; animation: marquee 26s linear infinite; font-weight: 700; color: var(--muted); white-space: nowrap; }
.marquee-track span:nth-child(odd) { color: var(--accent); }

/* ---------- Seções ---------- */
.section { padding: 6rem 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }

/* Cards de serviços */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.4rem; margin-top: 2.4rem; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.8rem;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--accent) 55%, transparent); box-shadow: var(--shadow); }
.card-icon {
  width: 62px; height: 62px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 1.1rem;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
}
.card-icon svg { width: 40px; height: 40px; }
.card:hover .wheel, .card:hover .hook, .card:hover .bucket-mini, .card:hover .key { animation: pop .6s ease; }
.card p { color: var(--muted); font-size: .95rem; }

/* Frota */
.fleet { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.2rem; margin-top: 2.4rem; }
.fleet-item {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.6rem 1.6rem 1.6rem 2rem;
  transition: transform .3s, border-color .3s;
}
.fleet-item::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 4px;
  background: var(--grad); transform: scaleY(0); transform-origin: top;
  transition: transform .3s;
}
.fleet-item:hover { transform: translateX(6px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.fleet-item:hover::before { transform: scaleY(1); }
.fleet-item p { color: var(--muted); font-size: .92rem; }

/* Marcas */
.brands { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }
.brand-chip {
  padding: .9rem 1.5rem; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface);
  font-size: .95rem; color: var(--muted); font-weight: 600;
  transition: transform .25s, border-color .25s, color .25s;
}
.brand-chip b { color: var(--accent); font-weight: 900; letter-spacing: .04em; }
.brand-chip:hover { transform: translateY(-5px) scale(1.04); border-color: var(--accent); color: var(--text); }

/* Sobre */
.about { display: grid; grid-template-columns: 1.2fr .8fr; gap: 3rem; align-items: start; }
.about p { color: var(--muted); margin-bottom: 1rem; }
.about strong { color: var(--text); }
.about-list { list-style: none; margin-top: 1.2rem; display: grid; gap: .5rem; font-weight: 600; }
.hours-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow);
  color: var(--muted);
}
.hours-card svg { color: var(--accent); margin-bottom: .6rem; }
.hours-card h3 { color: var(--text); }
.hours-card strong { color: var(--text); }
.hours-card hr { border: 0; border-top: 1px solid var(--border); margin: 1rem 0; }
.address { display: flex; gap: .5rem; align-items: flex-start; font-size: .92rem; }
.address svg { flex-shrink: 0; margin-top: 3px; }

/* Contato */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.phones { display: flex; flex-direction: column; gap: .7rem; margin-top: 1.4rem; }
.phone-chip {
  display: inline-block; padding: .8rem 1.2rem; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border); font-weight: 700;
  transition: border-color .25s, transform .25s;
}
.phone-chip:hover { border-color: var(--accent); transform: translateX(6px); }

.form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; display: grid; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .85rem; font-weight: 700; color: var(--muted); }
.field input, .field select, .field textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); padding: .8rem 1rem; font: inherit;
  transition: border-color .25s, box-shadow .25s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.form-error { color: #ff6b6b; font-size: .85rem; font-weight: 600; }
.form-note { font-size: .78rem; color: var(--muted); text-align: center; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 2.6rem 0; background: var(--bg-alt); color: var(--muted); font-size: .9rem; }
.footer-inner { display: grid; gap: .4rem; }
.brand-footer { display: flex; align-items: center; gap: .7rem; color: var(--text); font-weight: 800; }
.brand-footer .brand-logo { width: 34px; height: 34px; border-radius: 9px; font-size: .85rem; }

/* ---------- Animações ---------- */
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-26px); } }
@keyframes rumble { from { transform: translateY(0); } to { transform: translateY(2px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes sway { 0%,100% { transform: rotate(0deg); } 50% { transform: rotate(1.2deg); } }
@keyframes boomMove { 0%,100% { transform: rotate(0deg); } 50% { transform: rotate(-7deg); } }
@keyframes armMove { 0%,100% { transform: rotate(0deg); } 50% { transform: rotate(10deg); } }
@keyframes bucketCurl { 0%,100% { transform: rotate(0deg); } 50% { transform: rotate(-16deg); } }
@keyframes blink { 0%,88%,100% { opacity: 1; } 92%,96% { opacity: .2; } }
@keyframes dust {
  0% { opacity: 0; transform: translate(0,0) scale(.6); }
  25% { opacity: .8; }
  100% { opacity: 0; transform: translate(34px,-72px) scale(1.8); }
}
@keyframes dashmove { to { stroke-dashoffset: -26; } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes wheel { 0% { opacity: 1; top: 8px; } 70% { opacity: 0; top: 24px; } 100% { opacity: 0; } }
@keyframes pop { 0% { transform: scale(1); } 40% { transform: scale(1.18); } 100% { transform: scale(1); } }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; transition-delay: calc(var(--i, 0) * 90ms); }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .hero-inner, .about, .contact { grid-template-columns: 1fr; }
  .hero-art { max-width: 520px; margin-inline: auto; }
  .nav-toggle { display: flex; }
  .menu {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--border);
    padding: 1rem 4%; display: none;
  }
  .menu.open { display: flex; }
  .menu li { padding: .6rem 0; }
  .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); }
  .hero-stats { gap: 1.4rem; }
}