:root {
  --yellow: #ffc400;
  --dark: #14171c;
  --dark2: #1f242c;
  --gray: #5b6470;
  --light: #f4f5f7;
  --green: #1fa855;
  --line: #dfe2e7;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--dark); line-height: 1.6; }
.container { width: min(1100px, 92%); margin: 0 auto; }
a { text-decoration: none; color: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.skip { position: absolute; left: 8px; top: -60px; background: var(--yellow); color: var(--dark); padding: 10px 16px; border-radius: 8px; font-weight: 700; z-index: 30; }
.skip:focus { top: 8px; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 20; background: var(--dark); box-shadow: 0 2px 10px rgba(0,0,0,.3); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.1rem; }
.logo b { font-weight: 800; white-space: nowrap; }
.logo img { width: 46px; height: 46px; border-radius: 8px; background: #fff; flex-shrink: 0; }
.logo span { color: var(--yellow); }
@media (max-width: 400px) { .logo { font-size: 1.05rem; } .logo span { display: block; margin-left: 0; } .logo b { line-height: 1.15; } }
.menu { display: flex; align-items: center; gap: 18px; white-space: nowrap; font-size: .95rem; }
.menu a { color: #ddd; font-weight: 500; }
.menu a:hover, .menu a.active { color: var(--yellow); }
.menu-btn { display: none; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 8px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 12px 26px; border-radius: 8px; font-weight: 700; border: 2px solid transparent; cursor: pointer; font-size: 1rem; font-family: inherit; transition: transform .15s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn[disabled] { opacity: .7; cursor: progress; transform: none; }
.btn-small { min-height: 0; background: var(--yellow); color: var(--dark) !important; padding: 8px 18px; }
.btn-whats { background: var(--green); color: #fff; }
.btn-yellow { background: var(--yellow); color: var(--dark); }
.btn-outline { border-color: var(--yellow); color: var(--yellow); }
.btn-outline:hover { background: var(--yellow); color: var(--dark); }
.btn-outline-dark { border-color: var(--dark); color: var(--dark); background: #fff; }

/* Faixa de obra */
.hazard { height: 12px; background: repeating-linear-gradient(-45deg, var(--yellow) 0 16px, var(--dark) 16px 32px); }

/* Hero */
.hero { background: linear-gradient(100deg, rgba(20,23,28,.94) 35%, rgba(20,23,28,.5)), url("img/caminhao.jpeg") center / cover no-repeat; color: #fff; padding: 150px 0 80px; }
.status { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: .95rem; margin-bottom: 18px; color: #e8ebef; }
.status i { width: 10px; height: 10px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 0 0 rgba(61,220,132,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(61,220,132,0); } 100% { box-shadow: 0 0 0 0 rgba(61,220,132,0); } }
.hero h1 { font-size: clamp(2.3rem, 6.5vw, 4.2rem); line-height: 1.08; margin-bottom: 20px; }
.lead { max-width: 540px; font-size: 1.15rem; color: #d3d8e0; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-hint { max-width: 540px; margin-top: 14px; font-size: .88rem; color: #aab2bd; }
.hero-hint.err { color: #ffb4a8; }

/* Sections */
.section { padding: 80px 0; }
.section.alt { background: var(--light); }
h2 { font-size: 2rem; text-align: center; margin-bottom: 8px; line-height: 1.2; }
.section-head { margin-bottom: 36px; }
.sub { text-align: center; color: var(--gray); }
.sub.left { text-align: left; }

/* Triagem */
.triage { max-width: 820px; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.chips > button { min-height: 48px; padding: 10px 20px; border: 2px solid var(--dark); border-radius: 999px; background: #fff; font: inherit; font-weight: 600; cursor: pointer; transition: background .15s, color .15s; }
.chips > button:hover { background: var(--light); }
.chips > button[aria-pressed="true"] { background: var(--dark); color: var(--yellow); }
.answer { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 28px; padding: 24px 26px; border-left: 6px solid var(--yellow); background: var(--light); border-radius: 0 10px 10px 0; animation: subir .3s ease; }
.answer[hidden] { display: none; }
.answer h3 { margin-bottom: 4px; }
.answer p { color: var(--gray); }
.answer .tip { margin-top: 10px; color: var(--dark); }
.answer .btn { flex-shrink: 0; }
@keyframes subir { from { opacity: 0; transform: translateY(8px); } }

/* Serviços */
.grupos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grupos article { display: flex; flex-direction: column; border-top: 4px solid var(--dark); padding-top: 16px; }
.grupos h3 { font-size: 1.3rem; }
.grupos p { color: var(--gray); margin: 4px 0 14px; }
.grupos ul { list-style: none; display: grid; gap: 6px; margin-bottom: 20px; }
.grupos li { padding-left: 16px; position: relative; font-weight: 500; }
.grupos li::before { content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; background: var(--yellow); }
.grupos .btn { margin-top: auto; }
.btn-sm { min-height: 46px; padding: 8px 20px; }

/* Caminhão */
.truck { display: grid; grid-template-columns: 3fr 1.3fr; gap: 40px; align-items: center; }
.photo { min-width: 0; }
.carousel { position: relative; }
.slides { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; border-radius: 10px; }
.slides::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; scroll-snap-align: center; }
.car-btn { position: absolute; top: 40%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(20,23,28,.8); color: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer; z-index: 2; }
.car-btn:hover { background: var(--dark); }
.car-btn.prev { left: 10px; }
.car-btn.next { right: 10px; }
.car-btn[disabled] { opacity: .3; cursor: default; }
.dots { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 12px; }
.dots button { width: 12px; height: 12px; padding: 0; border-radius: 50%; border: 2px solid var(--dark); background: none; cursor: pointer; }
.dots .count { font-weight: 600; color: var(--gray); font-size: .9rem; }
.dots button[aria-current="true"] { background: var(--yellow); border-color: var(--dark); transform: scale(1.2); }
.carousel.solo .car-btn, .carousel.solo + .dots { display: none; }
.photo-box { position: relative; }
.slide .photo-box img { aspect-ratio: 1600 / 718; object-fit: cover; box-shadow: none; border-radius: 0; }
.slide.tall .photo-box img { object-fit: contain; background: var(--dark); }
.photo-box img { width: 100%; height: auto; display: block; border-radius: 10px; box-shadow: 0 12px 30px rgba(0,0,0,.2); }
.pin { position: absolute; transform: translate(-50%, -50%); width: 40px; height: 40px; border-radius: 50%; border: 3px solid #fff; background: var(--dark); color: var(--yellow); font: inherit; font-weight: 800; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,.4); }
.pin::after { content: ""; position: absolute; inset: -9px; border-radius: 50%; border: 2px solid var(--yellow); animation: anel 2.2s infinite; }
@keyframes anel { 0% { transform: scale(.7); opacity: 1; } 100% { transform: scale(1.3); opacity: 0; } }
.pin[aria-pressed="true"] { background: var(--yellow); color: var(--dark); }
.pin[aria-pressed="true"]::after { display: none; }
.pin-info { margin-top: 12px; padding: 14px 18px; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--yellow); border-radius: 8px; min-height: 76px; }
.pin-info b { display: block; }
.pin-info span { color: var(--gray); }
.slide figcaption { text-align: center; color: var(--gray); margin-top: 10px; font-size: .88rem; }
.features { list-style: none; display: grid; gap: 14px; }
.features li { border-top: 2px solid var(--dark); padding-top: 12px; color: var(--gray); }
.features b { display: block; color: var(--dark); }

/* Como funciona */
.steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 30px; text-align: center; }
.steps b { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 50%; background: var(--dark); color: var(--yellow); font-size: 1.5rem; }
.steps p { color: var(--gray); }

/* Cidade */
.cidade { max-width: 520px; margin: 0 auto; text-align: center; }
.cidade input { width: 100%; }
.cidade p { margin-top: 14px; color: var(--gray); min-height: 3.2em; }
.cidade p.ok { color: #157a3c; font-weight: 600; }
.cidade p.talvez { color: var(--dark); font-weight: 600; }
.cidade a { color: #157a3c; text-decoration: underline; }

.base { max-width: 520px; margin: 32px auto 0; padding-top: 20px; border-top: 2px solid var(--dark); text-align: center; color: var(--gray); }
.base b { color: var(--dark); }
.base a { color: #157a3c; font-weight: 600; text-decoration: underline; }

/* FAQ */
.faq-wrap { max-width: 760px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 600; padding: 16px 20px; list-style: none; display: flex; justify-content: space-between; gap: 16px; min-height: 52px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--gray); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { padding: 0 20px 18px; color: var(--gray); }

/* Formulário */
.form-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.form-wrap h2 { text-align: left; }
form { display: grid; gap: 16px; background: #fff; padding: 28px; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.06); }
label { display: grid; gap: 6px; font-weight: 600; font-size: .92rem; }
label small { font-weight: 400; color: var(--gray); }
input[type=text] { padding: 14px 12px; border: 1px solid #b9bfc9; border-radius: 8px; font: inherit; font-size: 1rem; width: 100%; }
input[type=text]:focus { outline: 2px solid var(--yellow); border-color: var(--yellow); }
fieldset { border: 0; }
legend { font-weight: 600; font-size: .92rem; margin-bottom: 8px; }
.chips.small { justify-content: flex-start; gap: 8px; }
.chips.small label { display: block; }
.chips.small input { position: absolute; opacity: 0; }
.chips.small span { display: block; min-height: 44px; padding: 9px 16px; border: 2px solid var(--dark); border-radius: 999px; font-weight: 600; cursor: pointer; }
.chips.small input:checked + span { background: var(--dark); color: var(--yellow); }
.chips.small input:focus-visible + span { outline: 3px solid var(--yellow); outline-offset: 2px; }
.link-btn { justify-self: start; margin-top: -8px; background: none; border: 0; color: #157a3c; font: inherit; font-weight: 600; text-decoration: underline; cursor: pointer; padding: 6px 0; }
.error { color: #c62828; font-size: .9rem; min-height: 1.2em; }

/* Prévia da mensagem */
.bubble { margin-top: 24px; max-width: 380px; background: #d9fdd3; border-radius: 12px 12px 12px 2px; padding: 14px 16px; font-size: .92rem; white-space: pre-line; box-shadow: 0 1px 2px rgba(0,0,0,.15); color: #111; }

/* Rodapé */
.footer { background: var(--dark); color: #bbb; padding: 50px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 40px; }
.footer-title { color: #fff; font-weight: 700; margin-bottom: 10px; }
.footer a { display: block; margin-bottom: 6px; }
.footer a:hover { color: var(--yellow); }
.copy { display: block; text-align: center; font-size: .8rem; margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }

/* Botão flutuante do WhatsApp */
.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 25; display: flex; align-items: center; gap: 12px; }
.wa-icon { position: relative; display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: #25d366; box-shadow: 0 6px 18px rgba(0,0,0,.35); transition: transform .2s; }
.wa-icon::before, .wa-icon::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #25d366; z-index: -1; animation: onda 2.4s ease-out infinite; }
.wa-icon::after { animation-delay: 1.2s; }
@keyframes onda { from { transform: scale(1); opacity: .55; } to { transform: scale(1.7); opacity: 0; } }
.wa-float:hover .wa-icon { transform: scale(1.08); }
.wa-label { background: #fff; color: var(--dark); font-weight: 700; padding: 10px 16px; border-radius: 999px; box-shadow: 0 4px 14px rgba(0,0,0,.25); white-space: nowrap; animation: entra .5s 1.2s both; }
@keyframes entra { from { opacity: 0; transform: translateX(12px); } }
.wa-float:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; border-radius: 999px; }

/* Animação de entrada */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s, transform .5s; }
.reveal.show { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .menu-btn { display: block; }
  .menu { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--dark2); padding: 12px 20px 20px; gap: 0; font-size: 1rem; }
  .menu a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .menu .btn-small { margin-top: 12px; text-align: center; border: 0; padding: 14px; }
  .menu.open { display: flex; }
}

@media (max-width: 800px) {
  .hero { padding: 110px 0 56px; background-position: 35% center; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 56px 0; }
  h2 { font-size: 1.7rem; }
  .grupos { grid-template-columns: 1fr; gap: 28px; }
  .truck, .form-wrap, .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .answer { flex-direction: column; align-items: stretch; }
  .pin { width: 34px; height: 34px; }
  .car-btn { width: 38px; height: 38px; }
  .wa-float { right: 14px; bottom: calc(16px + env(safe-area-inset-bottom)); }
  .wa-icon { width: 58px; height: 58px; }
  .wa-label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .slides { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .status i, .pin::after, .answer, .wa-icon::before, .wa-icon::after, .wa-label { animation: none; }
  .btn { transition: none; }
}