:root {
  --bg-primary: #0a0f1a;
  --bg-primary-rgb: 10, 15, 26;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2332;
  --surface: #1f2937;
  --surface-hover: #374151;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent-primary: #dc2626;
  --accent-secondary: #f97316;
  --accent-glow: rgba(220, 38, 38, 0.3);
  --border: #374151;
  --gradient-hero: linear-gradient(135deg, rgba(0,0,0,0.62) 0%, rgba(0,0,0,0.24) 100%);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-primary-rgb: 248, 250, 252;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --surface: #ffffff;
  --surface-hover: #f8fafc;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-primary: #dc2626;
  --accent-secondary: #ea580c;
  --accent-glow: rgba(220,38,38,0.15);
  --border: #cbd5e1;
  --gradient-hero: linear-gradient(135deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.18) 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; }
body { font-family: "Inter", sans-serif; background: var(--bg-primary); color: var(--text-primary); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; backdrop-filter: blur(12px); background: rgba(var(--bg-primary-rgb), 0.86); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { display: flex; gap: 12px; text-decoration: none; }
.logo-icon { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg,var(--accent-primary),var(--accent-secondary)); display: flex; align-items: center; justify-content: center; color: #fff; }
.logo-main { color: var(--text-primary); font-weight: 800; font-size: 1rem; }
.logo-sub { color: var(--text-secondary); font-size: .72rem; }

.main-nav { display: flex; align-items: center; gap: 24px; }
.nav-link { text-decoration: none; color: var(--text-primary); font-weight: 500; position: relative; }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: -5px; width: 0; height: 2px; background: var(--accent-primary); transition: .25s; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.theme-switch { background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 8px 12px; color: var(--text-primary); display: flex; gap: 8px; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; }
.menu-toggle span { width: 25px; height: 2px; background: var(--text-primary); }
.menu-overlay { display: none; }

.hero { position: relative; min-height: 100vh; overflow: hidden; }
.hero-slider, .hero-slide, .hero-bg { position: absolute; inset: 0; }
.hero-slide { opacity: 0; visibility: hidden; transition: opacity .8s ease, visibility .8s; }
.hero-slide.active { opacity: 1; visibility: visible; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.03); transition: transform 6s ease-out; }
.hero-slide.active .hero-bg img { transform: scale(1); }
.hero-overlay { position: absolute; inset: 0; background: var(--gradient-hero); }

.hero-container { position: relative; z-index: 2; height: 100%; display: flex; align-items: center; }
[data-align="left"] .hero-container { justify-content: flex-start; }
[data-align="center"] .hero-container { justify-content: center; }
[data-align="right"] .hero-container { justify-content: flex-end; }

.hero-content { max-width: 700px; opacity: 0; transform: translateY(24px); transition: .5s ease .2s; }
.hero-slide.active .hero-content { opacity: 1; transform: translateY(0); }
[data-align="left"] .hero-content { text-align: left; }
[data-align="center"] .hero-content { text-align: center; }
[data-align="right"] .hero-content { text-align: right; }

.hero-badge { display: inline-flex; gap: 8px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.26); border-radius: 999px; padding: 6px 14px; margin-bottom: 18px; color: #fff; }
.hero-title { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.08; color: #fff; margin-bottom: 14px; }
.hero-text { font-size: clamp(1rem,1.2vw,1.2rem); color: #e5e7eb; margin-bottom: 28px; max-width: 560px; }
[data-align="center"] .hero-text { margin-left: auto; margin-right: auto; }
[data-align="right"] .hero-text { margin-left: auto; }

.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
[data-align="center"] .hero-buttons { justify-content: center; }
[data-align="right"] .hero-buttons { justify-content: flex-end; }

.hero-meta {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 0.82rem;
}

[data-align="center"] .hero-meta { justify-content: center; }
[data-align="right"] .hero-meta { justify-content: flex-end; }

[data-theme="light"] .hero-badge { background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.36); }
[data-theme="light"] .hero-meta span { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.34); }

.btn { display: inline-flex; gap: 8px; align-items: center; text-decoration: none; border-radius: 999px; padding: 12px 26px; font-weight: 600; border: 0; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg,var(--accent-primary),var(--accent-secondary)); color: #fff; }
.btn-outline { border: 2px solid rgba(255,255,255,.35); color: #fff; }
.btn-full { width: 100%; justify-content: center; }

.slider-controls { position: absolute; z-index: 10; bottom: 24px; left: 0; right: 0; display: flex; justify-content: center; gap: 16px; align-items: center; }
.slider-prev, .slider-next { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.12); color: #fff; }
.slider-dots { display: flex; gap: 10px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.45); border: 0; }
.dot.active { width: 28px; border-radius: 12px; background: var(--accent-primary); }

.section { padding: 96px 0; }
.section-services, .section-coverage { background: var(--bg-secondary); }

/* Fondos fijos por seccion de contenido */
.section-about,
.section-services,
.section-fleet,
.section-coverage,
.section-contact {
  position: relative;
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
}

.section-about { background-image: url("../img/bg-road-1.jpg"); }
.section-services { background-image: url("../img/bg-road-2.jpg"); }
.section-fleet { background-image: url("../img/bg-road-3.jpg"); }
.section-coverage { background-image: url("../img/bg-road-1.jpg"); }
.section-contact { background-image: url("../img/bg-road-2.jpg"); }

.section-about::before,
.section-services::before,
.section-fleet::before,
.section-coverage::before,
.section-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 26, 0.78);
}

[data-theme="light"] .section-about::before,
[data-theme="light"] .section-services::before,
[data-theme="light"] .section-fleet::before,
[data-theme="light"] .section-coverage::before,
[data-theme="light"] .section-contact::before {
  background: rgba(248, 250, 252, 0.86);
}

.section-about > .container,
.section-services > .container,
.section-fleet > .container,
.section-coverage > .container,
.section-contact > .container {
  position: relative;
  z-index: 1;
}
.section-header { text-align: center; margin-bottom: 54px; }
.section-tag { color: var(--accent-primary); text-transform: uppercase; letter-spacing: 2px; font-size: .8rem; font-weight: 600; }
.section-title { font-size: clamp(1.9rem,3vw,2.8rem); margin: 10px 0 12px; }
.section-subtitle { color: var(--text-secondary); max-width: 680px; margin: 0 auto; }
.highlight { color: var(--accent-primary); }

.about-grid, .contact-grid { display: grid; gap: 36px; grid-template-columns: 1fr 1fr; }
.about-content p, .contact-info p { color: var(--text-secondary); margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; text-align: center; }
.stat-card i { color: var(--accent-primary); font-size: 2rem; margin-bottom: 10px; }
.stat-number { font-size: 2rem; font-weight: 800; }
.stat-label { color: var(--text-secondary); font-size: .82rem; }

.services-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.service-card, .fleet-card, .contact-form-wrapper { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; }
.service-card { padding: 24px; text-align: center; }
.service-icon { width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 16px; background: linear-gradient(135deg,var(--accent-primary),var(--accent-secondary)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; }
.service-card p { color: var(--text-secondary); margin-top: 8px; }

.fleet-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.fleet-image { height: 220px; }
.fleet-image img { width: 100%; height: 100%; object-fit: cover; }
.fleet-info { padding: 18px; }
.fleet-info p { color: var(--text-secondary); margin-top: 8px; }

.coverage-wrapper { display: grid; grid-template-columns: 1fr .55fr; gap: 32px; align-items: center; }
.coverage-content p { color: var(--text-secondary); margin-top: 10px; }
.coverage-map { height: 260px; border-radius: 22px; border: 1px solid var(--border); background: linear-gradient(135deg,var(--bg-tertiary),var(--bg-secondary)); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.coverage-map i { font-size: 5rem; color: var(--accent-primary); opacity: .55; z-index: 1; }
.map-pulse { position: absolute; width: 180px; height: 180px; border-radius: 50%; background: var(--accent-primary); opacity: .12; animation: pulse 2s infinite; }
@keyframes pulse { from { transform: scale(.55); opacity: .24; } to { transform: scale(1.5); opacity: 0; } }

.contact-form-wrapper { padding: 24px; }
.contact-form { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: grid; gap: 6px; }
.form-group label { font-size: .86rem; }
.form-group input, .form-group textarea { border: 1px solid var(--border); border-radius: 12px; background: var(--bg-primary); color: var(--text-primary); padding: 11px 14px; font: inherit; }
.form-message { text-align: center; color: var(--text-secondary); font-size: .9rem; }

.footer { background: linear-gradient(160deg, color-mix(in oklab, var(--bg-tertiary) 94%, transparent), color-mix(in oklab, var(--bg-secondary) 92%, transparent)); border-top: 1px solid var(--border); padding: 46px 0 22px; }
.footer-content { display: grid; grid-template-columns: 1.2fr .8fr .9fr; gap: 24px; align-items: flex-start; }
.footer-col h4 { margin-bottom: 10px; font-size: .95rem; }
.footer-col a { display: block; color: var(--text-secondary); text-decoration: none; margin-bottom: 8px; }
.footer-col a:hover { color: var(--accent-primary); }
.footer-brand { display: grid; gap: 10px; }
.footer-brand p { color: var(--text-secondary); font-size: .92rem; max-width: 54ch; }
.footer-credits { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); text-align: center; color: var(--text-muted); font-size: .82rem; }

.whatsapp-float { position: fixed; right: 24px; bottom: 24px; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; text-decoration: none; z-index: 1001; }

.reveal { opacity: 0; transform: translateY(34px); transition: .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .fleet-grid { grid-template-columns: repeat(2,1fr); }
  .about-grid, .contact-grid, .coverage-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .main-nav { position: fixed; top: 80px; right: -100%; width: 280px; height: calc(100vh - 80px); background: var(--surface); border-left: 1px solid var(--border); box-shadow: -14px 0 28px rgba(0,0,0,.18); flex-direction: column; align-items: flex-start; padding: 30px 20px; transition: right .3s ease; z-index: 1001; }
  .main-nav.active { right: 0; }
  .menu-overlay.active { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 1000; }
  .form-row { grid-template-columns: 1fr; }
  .hero { min-height: 78vh; }
  [data-align="right"] .hero-container,
  [data-align="center"] .hero-container,
  [data-align="left"] .hero-container { justify-content: flex-start; }
  [data-align="right"] .hero-content,
  [data-align="center"] .hero-content,
  [data-align="left"] .hero-content { text-align: left; }
  [data-align="right"] .hero-text,
  [data-align="center"] .hero-text,
  [data-align="left"] .hero-text { margin-left: 0; margin-right: 0; }
  [data-align="right"] .hero-buttons,
  [data-align="center"] .hero-buttons,
  [data-align="left"] .hero-buttons { justify-content: flex-start; }
  [data-align="right"] .hero-meta,
  [data-align="center"] .hero-meta,
  [data-align="left"] .hero-meta { justify-content: flex-start; }
  .footer-content { grid-template-columns: 1fr; }
}

@media (min-width: 769px) {
  .hero { min-height: 84vh; }
}

@media (max-width: 760px) {
  .section-about,
  .section-services,
  .section-fleet,
  .section-coverage,
  .section-contact { background-attachment: scroll; }
}

@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .services-grid, .fleet-grid, .about-stats { grid-template-columns: 1fr; }
}