/* ===========================================================
   Ciavantur — Estilos
   Tema claro · Mobile-first · Paleta vermelho/amarelo/preto
   =========================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7f8;
  --color-bg-dark: #131418;
  --color-primary: #d32027;
  --color-primary-dark: #a8181e;
  --color-primary-light: #fde7e8;
  --color-accent: #ffc107;
  --color-accent-dark: #e0a800;
  --color-text: #15171c;
  --color-text-soft: #565a64;
  --color-border: #e6e7eb;
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #1da851;

  --font-heading: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;

  --shadow-sm: 0 1px 2px rgba(15, 17, 22, .06), 0 1px 3px rgba(15, 17, 22, .04);
  --shadow: 0 4px 14px rgba(15, 17, 22, .07), 0 2px 4px rgba(15, 17, 22, .04);
  --shadow-lg: 0 18px 40px rgba(15, 17, 22, .12), 0 6px 12px rgba(15, 17, 22, .06);

  --container: 1200px;
  --header-h: 72px;

  --transition: 200ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--color-text);
}
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.2rem; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-sub { color: var(--color-text-soft); margin-top: 8px; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

/* Skip link (a11y) */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-primary); color: #fff; padding: 10px 14px; z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 22px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .01em;
  border-radius: var(--radius);
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-sm { padding: 9px 16px; font-size: .85rem; }
.btn-lg { padding: 15px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(211, 32, 39, .25);
}
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 10px 22px rgba(211, 32, 39, .32); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-text);
}
.btn-outline:hover { background: var(--color-text); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 2px 12px rgba(15, 17, 22, .06);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.brand img { height: 44px; width: auto; }
.site-nav { display: none; }
.nav-menu {
  display: flex; align-items: center; gap: 28px;
}
.nav-menu a {
  color: var(--color-text);
  font-weight: 500;
  font-size: .95rem;
  position: relative;
}
.nav-menu a:not(.btn):hover { color: var(--color-primary); }
.nav-menu a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  height: 2px; width: 0; background: var(--color-primary);
  transition: width var(--transition);
}
.nav-menu a:not(.btn):hover::after { width: 100%; }

.menu-toggle {
  display: inline-flex; flex-direction: column; gap: 5px;
  width: 44px; height: 44px;
  padding: 12px 10px;
  border-radius: var(--radius-sm);
}
.menu-toggle span {
  display: block; height: 2px; background: var(--color-text); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 900px) {
  .menu-toggle { display: none; }
  .site-nav { display: block; }
}

/* Nav mobile */
@media (max-width: 899px) {
  .site-nav {
    height: fit-content;
    position: fixed;
    top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: #fff 23px;
    padding: 28px 20px;
    border-top: 1px solid var(--color-border);
    overflow-y: visible;
    z-index: 49;
  }
  .site-nav.is-open { display: block; }
  .nav-menu { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-menu li { width: 100%; }
  .nav-menu a:not(.btn) {
    display: block; padding: 14px 8px;
    border-bottom: 1px solid var(--color-border);
    font-size: 1.05rem; font-weight: 600;
  }
  .nav-menu a:not(.btn)::after { display: none; }
  .nav-menu .btn { margin-top: 14px; padding: 14px 20px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  padding: clamp(60px, 10vw, 110px) 0 clamp(60px, 8vw, 100px);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background:
    linear-gradient(180deg, rgba(255,255,255,.78) 0%, rgba(255,255,255,.92) 60%, #fff 100%),
    url("../img/frota/frota-01.jpg") center/cover no-repeat;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(70% 60% at 80% 20%, rgba(255, 193, 7, .18), transparent 70%),
              radial-gradient(50% 40% at 10% 90%, rgba(211, 32, 39, .15), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; }
.hero-content { max-width: 760px; }
.hero h1 {
  margin-bottom: 18px;
}
.hero .lead {
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  color: var(--color-text-soft);
  max-width: 620px;
  margin-bottom: 28px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
.hero-badges {
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  font-size: .92rem; color: var(--color-text-soft);
}
.hero-badges li { display: inline-flex; align-items: center; gap: 6px; }
.hero-badges .check {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: .75rem; font-weight: 800;
}

/* ---------- Sobre ---------- */
.section-sobre { background: var(--color-bg-alt); }
.sobre-grid {
  display: grid; gap: 36px;
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 900px) {
  .sobre-grid { grid-template-columns: 1.1fr 1fr; gap: 60px; }
}
.sobre-text p + p { margin-top: 14px; }
.sobre-text strong { color: var(--color-primary); }

.diferenciais { display: grid; gap: 16px; }
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex; gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.card-icon {
  flex: none;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius);
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 4px; }
.card p { font-size: .94rem; color: var(--color-text-soft); }

/* ---------- Serviços ---------- */
.servicos-grid {
  display: grid; gap: 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .servicos-grid { grid-template-columns: 1fr 1fr; }
}
.servico {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.servico:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.servico-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.servico-icon svg { width: 28px; height: 28px; }
.servico h3 { font-size: 1.4rem; margin-bottom: 10px; }
.servico > p { color: var(--color-text-soft); margin-bottom: 18px; }
.servico-list {
  border-top: 1px solid var(--color-border);
  padding-top: 16px; margin-bottom: 24px;
}
.servico-list li {
  padding: 8px 0 8px 24px;
  font-size: .94rem;
  position: relative;
}
.servico-list li::before {
  content: "";
  position: absolute; left: 0; top: 14px;
  width: 14px; height: 14px;
  background: var(--color-accent);
  clip-path: polygon(20% 50%, 0 70%, 40% 100%, 100% 30%, 80% 10%, 40% 60%);
}
.servico .btn { align-self: flex-start; margin-top: auto; }

/* ---------- Frota ---------- */
.section-frota { background: var(--color-bg-alt); }
.frota-grid {
  display: grid; gap: 22px;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) { .frota-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .frota-grid { grid-template-columns: repeat(3, 1fr); } }

.frota-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.frota-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.frota-item img {
  width: 100%; height: 240px; object-fit: cover;
  transition: transform 400ms ease;
}
.frota-item:hover img { transform: scale(1.04); }
.frota-item figcaption { padding: 18px 22px 22px; }
.frota-item h3 { font-size: 1.1rem; margin-bottom: 4px; }
.frota-item p { font-size: .9rem; color: var(--color-text-soft); }

/* ---------- Contato ---------- */
.contato-grid {
  display: grid; gap: 28px;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .contato-grid { grid-template-columns: 1.2fr .9fr; gap: 40px; } }

.form-orcamento {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: grid; gap: 16px;
  box-shadow: var(--shadow-sm);
}
.form-row label {
  display: block;
  font-weight: 600; font-size: .9rem;
  margin-bottom: 6px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--color-text);
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(211, 32, 39, .14);
}
.form-row textarea { resize: vertical; min-height: 90px; }
.form-grid-2 {
  display: grid; gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .form-grid-2 { grid-template-columns: 1fr 1fr; } }
.form-orcamento .btn-primary {
  background: var(--color-whatsapp);
  box-shadow: 0 6px 16px rgba(37, 211, 102, .28);
  margin-top: 6px;
}
.form-orcamento .btn-primary:hover { background: var(--color-whatsapp-dark); box-shadow: 0 10px 22px rgba(37, 211, 102, .35); }
.form-note { font-size: .82rem; color: var(--color-text-soft); text-align: center; margin-top: 4px; }

.contato-info {
  background: var(--color-bg-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.contato-info::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 50% at 100% 0%, rgba(211, 32, 39, .35), transparent 70%),
              radial-gradient(50% 40% at 0% 100%, rgba(255, 193, 7, .18), transparent 70%);
  pointer-events: none;
}
.contato-info > * { position: relative; }
.contato-info h3 { color: #fff; font-size: 1.4rem; margin-bottom: 8px; }
.info-lead { color: rgba(255,255,255,.72); margin-bottom: 24px; }
.info-list { display: grid; gap: 18px; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; }
.info-icon {
  flex: none;
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius);
  color: var(--color-accent);
}
.info-list strong {
  display: block;
  font-family: var(--font-heading);
  font-size: .9rem; letter-spacing: .04em; text-transform: uppercase;
  color: rgba(255,255,255,.6);
  margin-bottom: 2px;
}
.info-list a { color: #fff; }
.info-list a:hover { color: var(--color-accent); }
.info-list span { color: rgba(255,255,255,.85); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, .8);
}
.footer-inner {
  display: grid; gap: 36px;
  grid-template-columns: 1fr;
  padding: 56px 20px 36px;
}
@media (min-width: 800px) {
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
}
.footer-brand img { background: #fff; padding: 8px 12px; border-radius: var(--radius-sm); margin-bottom: 14px; height: 42px; width: auto; }
.footer-brand p { font-size: .92rem; color: rgba(255, 255, 255, .65); max-width: 360px; }
.site-footer h4 {
  color: #fff;
  font-size: .85rem; letter-spacing: .14em; text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-nav ul, .footer-contato ul { display: grid; gap: 10px; }
.footer-nav a, .footer-contato a { color: rgba(255, 255, 255, .72); font-size: .94rem; }
.footer-nav a:hover, .footer-contato a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 18px 0;
  font-size: .85rem;
  color: rgba(255, 255, 255, .55);
}
.footer-bottom .container {
  display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: space-between;
}

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float {
  position: fixed; right: 18px; bottom: 18px;
  z-index: 60;
  display: flex; align-items: center; justify-content: center;
  width: 60px; height: 60px;
  background: var(--color-whatsapp);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(37, 211, 102, .35);
  transition: transform var(--transition), background var(--transition);
  animation: pulse 2.6s infinite;
}
.whatsapp-float:hover { background: var(--color-whatsapp-dark); color: #fff; transform: scale(1.05); }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, .55), 0 12px 28px rgba(37, 211, 102, .35); }
  70%  { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0), 0 12px 28px rgba(37, 211, 102, .35); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), 0 12px 28px rgba(37, 211, 102, .35); }
}

/* ---------- Reduce motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}