:root {
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;
  --accent: #1d4ed8;
  --accent-hover: #2563eb;
  --accent-light: #3b82f6;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-tertiary: #737373;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --whatsapp: #25d366;
  --whatsapp-hover: #1ebe5d;
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Montserrat', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Header logo simple (sin menu) ===== */
.top-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 24px 48px;
  display: flex;
  align-items: center;
}

.top-bar img {
  height: 200px;
  width: auto;
}

/* ===== HERO SLIDER ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide.active {
  opacity: 1;
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.8) 100%);
  z-index: 1;
}

.slide-1 .slide-bg {
  background-image: url('../assets/bat-traslados-choferes-6.jpg');
}

.slide-2 .slide-bg {
  background-image: url('../assets/bat-traslados-choferes%20(4).jpg');
}

.slide-3 .slide-bg {
  background-image: url('../assets/bat-traslados-choferes%20(1).jpg');
}

.slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1000px;
  padding: 0 24px;
}

.slide-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.slide-title .accent {
  color: var(--text-secondary);
  font-weight: 200;
  text-transform: none;
}

.slide-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 48px;
  letter-spacing: 0.01em;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: white;
  padding: 16px 40px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
  border: 1px solid var(--accent);
}

.cta-button:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(29, 78, 216, 0.3);
}

.cta-button.outline {
  background: transparent;
  border-color: rgba(255,255,255,0.3);
}

.cta-button.outline:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.5);
}

/* Slider dots */
.slider-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  padding: 0;
}

.dot.active {
  background: white;
  width: 30px;
  border-radius: 5px;
}

/* ===== SECCIONES GENERALES ===== */
section {
  padding: 120px 24px;
  position: relative;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.section-title .accent {
  color: var(--text-secondary);
  font-weight: 200;
  text-transform: none;
}

/* ===== QUIÉNES SOMOS ===== */
.about {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.pillar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 24px 28px;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.pillar:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.pillar h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.pillar p {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin: 0;
}

/* ===== SERVICIOS ===== */
.services {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 80px;
}

.section-header .section-eyebrow,
.section-header .section-title {
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 48px 36px;
  border-radius: 8px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 28px;
  color: var(--accent-light);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.service-link {
  color: var(--accent-light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s ease;
}

.service-link:hover {
  gap: 14px;
}

/* ===== POR QUÉ ELEGIRNOS ===== */
.why {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
}

.why-intro {
  text-align: center;
  max-width: 850px;
  margin: 0 auto 80px;
}

.why-intro p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.8;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 40px;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.why-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

.why-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.why-icon {
  width: 44px;
  height: 44px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  flex-shrink: 0;
}

.why-icon svg {
  width: 22px;
  height: 22px;
}

.why-card h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ===== SOSTENIBILIDAD ===== */
.sustainability {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.sustainability::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/hibridos.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: 0;
}

.sustainability-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.sustainability-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.sustainability-text .highlight {
  color: var(--accent-light);
  font-weight: 500;
}

.green-features {
  display: grid;
  gap: 20px;
}

.green-feature {
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  padding: 24px 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.green-feature-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: #10b981;
}

.green-feature-icon svg {
  width: 100%;
  height: 100%;
}

.green-feature h5 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: 0.01em;
}

.green-feature p {
  color: var(--text-tertiary);
  font-size: 0.88rem;
  margin: 0;
  line-height: 1.5;
}

/* ===== CLIENTES ===== */
.clients {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  text-align: center;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  align-items: stretch;
  margin-top: 64px;
}

.client-logo {
  height: 120px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
  transition: all 0.3s ease;
}

.client-logo:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.client-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.client-logo:hover img {
  opacity: 1;
}

.clients-footer {
  margin-top: 64px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ===== FORMULARIO CORPORATIVO ===== */
.form-section {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 48px 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  transition: border-color 0.3s ease, background 0.3s ease;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-tertiary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-light);
  background: rgba(59, 130, 246, 0.04);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: white;
  padding: 16px 40px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.form-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(29, 78, 216, 0.3);
}

.form-benefits {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

.form-benefit {
  display: flex;
  gap: 16px;
  align-items: start;
}

.form-benefit-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
}

.form-benefit-icon svg {
  width: 20px;
  height: 20px;
}

.form-benefit h5 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.form-benefit p {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.5;
}

/* ===== CONTACTO ===== */
.contact {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

.contact-info {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.contact-item {
  padding: 32px 20px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  color: var(--accent-light);
}

.contact-item-icon svg {
  width: 100%;
  height: 100%;
}

.contact-item h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.contact-item p,
.contact-item a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-decoration: none;
  line-height: 1.6;
}

.contact-item a:hover {
  color: var(--accent-light);
}

.contact-cta {
  margin-top: 56px;
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
  text-align: center;
}

footer img {
  height: 48px;
  margin-bottom: 24px;
}

footer p {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

/* ===== WHATSAPP FLOTANTE ===== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 64px;
  height: 64px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all 0.3s ease;
  text-decoration: none;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  background: var(--whatsapp-hover);
  transform: scale(1.1);
  animation: none;
}

.whatsapp-float svg {
  width: 36px;
  height: 36px;
  color: white;
}

@keyframes pulse {
  0% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
  .top-bar {
    padding: 20px 24px;
  }

  .top-bar img {
    height: 80px;
    width: auto;
  }

  section {
    padding: 80px 20px;
  }

  .about-grid,
  .sustainability-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .contact-info {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section-header {
    margin-bottom: 56px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .form-card {
    padding: 32px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    width: 56px;
    height: 56px;
    bottom: 20px;
    right: 20px;
  }

  .whatsapp-float svg {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 560px) {
  .slide-title {
    font-size: 2.2rem;
  }

  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
