@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: hsl(0 0% 7%);
  --fg: hsl(0 0% 95%);
  --card: hsl(0 0% 10%);
  --card-fg: hsl(0 0% 95%);
  --primary: hsl(24 95% 53%);
  --primary-fg: hsl(0 0% 100%);
  --secondary: hsl(0 0% 15%);
  --secondary-fg: hsl(0 0% 95%);
  --muted: hsl(0 0% 60%);
  --border: hsl(0 0% 20%);
  --radius: 0.5rem;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Oswald', sans-serif; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: hsla(0, 0%, 7%, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header-logo { height: 40px; }

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-desktop a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.nav-desktop a:hover { color: var(--primary); }

.btn-orcamento {
  display: none;
  background: var(--primary);
  color: var(--primary-fg);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background 0.2s;
  border: none;
}

.btn-orcamento:hover { background: hsl(24 95% 45%); }

@media (min-width: 768px) {
  .nav-desktop { display: flex; }
  .btn-orcamento { display: inline-flex; }
  .hamburger { display: none !important; }
}

.hamburger {
  background: none;
  border: none;
  color: var(--fg);
  padding: 0.5rem;
}

.hamburger svg { width: 24px; height: 24px; }

/* Mobile menu */
.mobile-menu {
  display: none;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 1rem 1rem;
}

.mobile-menu.open { display: block; }

.mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.mobile-menu a:hover { color: var(--primary); }

.mobile-menu .btn-mobile-orcamento {
  display: block;
  margin-top: 0.5rem;
  background: var(--primary);
  color: var(--primary-fg);
  padding: 0.75rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsla(0,0%,7%,0.8), hsla(0,0%,7%,0.5), var(--bg));
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding-top: 5rem;
}

.hero-tag {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-title .accent { color: var(--primary); }

.hero-subtitle {
  color: var(--muted);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-fg);
  padding: 1rem 2rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background 0.2s;
  border: none;
  display: inline-block;
  text-align: center;
}

.btn-primary:hover { background: hsl(24 95% 45%); }

.btn-outline {
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 1rem 2rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: border-color 0.2s, color 0.2s;
  background: none;
  display: inline-block;
  text-align: center;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

@media (min-width: 640px) {
  .hero-title { font-size: 3rem; }
  .hero-buttons { flex-direction: row; }
}

@media (min-width: 768px) {
  .hero-title { font-size: 4.25rem; }
  .hero-subtitle { font-size: 1.25rem; }
}

/* ── Equipamentos ── */
.equipamentos {
  padding: 6rem 0;
  background: hsla(0, 0%, 15%, 0.5);
}

.section-tag {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title .accent { color: var(--primary); }

.section-subtitle {
  color: var(--muted);
  text-align: center;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle strong { color: var(--fg); }

@media (min-width: 768px) {
  .section-title { font-size: 3rem; }
}

/* Tabs */
.tabs-wrapper {
  margin-bottom: 2rem;
  margin-left: -1rem;
  margin-right: -1rem;
  padding: 0 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tabs-wrapper::-webkit-scrollbar { display: none; }

.tabs {
  display: flex;
  gap: 0.5rem;
  min-width: max-content;
}

@media (min-width: 768px) {
  .tabs {
    flex-wrap: wrap;
    justify-content: center;
    min-width: 0;
  }
}

.tab-btn {
  white-space: nowrap;
  padding: 0.625rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Oswald', sans-serif;
  transition: all 0.2s;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
}

.tab-btn:hover {
  color: var(--fg);
  border-color: hsla(24, 95%, 53%, 0.4);
}

.tab-btn.active {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
  box-shadow: 0 4px 15px hsla(24, 95%, 53%, 0.2);
}

.tab-btn .count {
  margin-left: 0.375rem;
  font-size: 0.75rem;
  opacity: 0.6;
}

.tab-btn.active .count { opacity: 0.7; }

/* Category title */
.category-title {
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.category-title .dot {
  color: var(--primary);
  margin-right: 0.5rem;
}

@media (min-width: 768px) {
  .category-title { font-size: 1.5rem; }
}

/* Equipment grid */
.equip-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .equip-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .equip-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1280px) {
  .equip-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Equipment card */
.equip-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
  display: flex;
  flex-direction: column;
}

.equip-card:hover { border-color: hsla(24, 95%, 53%, 0.4); }

.equip-card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--secondary);
}

.equip-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.equip-card:hover .equip-card-img img { transform: scale(1.05); }

.propulsion-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius);
}

.propulsion-badge.electric {
  background: hsla(142, 76%, 36%, 0.15);
  color: hsl(142, 69%, 58%);
}

.propulsion-badge.diesel {
  background: hsla(38, 92%, 50%, 0.15);
  color: hsl(38, 92%, 60%);
}

.propulsion-badge svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.equip-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.equip-card-name {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.spec-list { flex: 1; }

.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  padding: 0.375rem 0;
  border-bottom: 1px solid hsla(0, 0%, 20%, 0.5);
}

.spec-row:last-child { border-bottom: none; }
.spec-label { color: var(--muted); }
.spec-value { font-weight: 500; color: var(--fg); }

.equip-details {
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 0.5rem;
  line-height: 1.5;
}

.equip-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 1rem;
  transition: text-decoration 0.2s;
}

.equip-cta:hover { text-decoration: underline; }

.equip-cta svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Load more */
.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.btn-load-more {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--primary-fg);
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  transition: background 0.2s;
}

.btn-load-more:hover { background: hsl(24 95% 45%); }

/* ── Sobre ── */
.sobre { padding: 6rem 0; }

.sobre-grid {
  display: grid;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .sobre-grid { grid-template-columns: 1fr 1fr; }
}

.sobre-tag {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.sobre-title {
  font-size: 1.875rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.sobre-title .accent { color: var(--primary); }

@media (min-width: 768px) {
  .sobre-title { font-size: 3rem; }
}

.sobre-text {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.btn-fale-conosco {
  display: inline-flex;
  background: var(--primary);
  color: var(--primary-fg);
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background 0.2s;
}

.btn-fale-conosco:hover { background: hsl(24 95% 45%); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.stat-value {
  font-family: 'Oswald', sans-serif;
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--muted);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (min-width: 768px) {
  .stat-value { font-size: 2.25rem; }
}

/* ── Diferenciais ── */
.diferenciais {
  padding: 6rem 0;
  background: hsla(0, 0%, 15%, 0.5);
}

.dif-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 640px) {
  .dif-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .dif-grid { grid-template-columns: repeat(3, 1fr); }
}

.dif-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s;
}

.dif-card:hover { border-color: hsla(24, 95%, 53%, 0.5); }

.dif-icon {
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.dif-icon svg { width: 36px; height: 36px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.dif-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.dif-desc {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ── Parceiros ── */
.parceiros {
  padding: 4rem 0;
  overflow: hidden;
}

.parceiros-header { margin-bottom: 2.5rem; }

.scroll-track-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.scroll-fade-left,
.scroll-fade-right {
  position: absolute;
  top: 0; bottom: 0;
  width: 6rem;
  z-index: 10;
  pointer-events: none;
}

.scroll-fade-left {
  left: 0;
  background: linear-gradient(to right, var(--bg), transparent);
}

.scroll-fade-right {
  right: 0;
  background: linear-gradient(to left, var(--bg), transparent);
}

.scroll-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  will-change: transform;
  animation: scrollX 30s linear infinite;
}

.partner-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 13rem;
  height: 8rem;
  background: #000;
  border-radius: var(--radius);
  padding: 0.75rem;
}

.partner-logo img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

@keyframes scrollX {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

/* ── Footer ── */
.footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 4rem 0;
}

.footer-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

.footer-logo { height: 3rem; margin-bottom: 1rem; }

.footer-desc {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-heading {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--primary); }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact a,
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-contact a:hover { color: var(--primary); }

.footer-contact svg {
  width: 16px; height: 16px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--muted);
  font-size: 0.75rem;
}

/* ── WhatsApp Float ── */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 50;
  background: #25D366;
  color: #fff;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  transition: background 0.2s;
}

.whatsapp-float:hover { background: #1ebe5d; }

.whatsapp-float svg { width: 28px; height: 28px; fill: currentColor; }

/* ── Mobile-specific improvements ── */
@media (max-width: 639px) {
  .hero-content { padding: 4rem 0.5rem 2rem; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 0.9375rem; }
  .hero-buttons { width: 100%; padding: 0 0.5rem; }
  .btn-primary, .btn-outline { width: 100%; }

  .equipamentos { padding: 3rem 0; }
  .sobre { padding: 3rem 0; }
  .diferenciais { padding: 3rem 0; }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
    padding: 1rem 1.25rem;
  }

  .stat-value {
    font-size: 2rem;
    margin-bottom: 0;
    min-width: 60px;
  }

  .stat-label { font-size: 0.75rem; }

  .partner-logo {
    width: 10rem;
    height: 6rem;
    margin: 0 0.75rem;
  }

  .footer-grid { gap: 2rem; }

  .equip-card-body { padding: 1rem; }
}

/* Hide scrollbar utility */
.scrollbar-hide { scrollbar-width: none; -ms-overflow-style: none; }
.scrollbar-hide::-webkit-scrollbar { display: none; }