/* Baterías González Uruguay - Professional Styles */
:root {
  --primary: #1a365d;
  --primary-dark: #0f2744;
  --secondary: #e53e3e;
  --accent: #f6ad55;
  --success: #38a169;
  --light: #f7fafc;
  --dark: #1a202c;
  --gray: #718096;
  --white: #ffffff;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --radius: 0.5rem;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header & Nav */
.top-bar {
  background: var(--primary-dark);
  color: var(--white);
  font-size: 0.875rem;
  padding: 0.5rem 0;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar a {
  color: var(--white);
  opacity: 0.9;
}

.top-bar a:hover {
  opacity: 1;
  color: var(--accent);
}

.header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--primary);
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-menu a {
  font-weight: 500;
  color: var(--dark);
  padding: 0.5rem 0;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--secondary);
}

.nav-menu a.active::after,
.nav-menu a:hover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-primary {
  background: var(--secondary);
  color: white;
}

.btn-primary:hover {
  background: #c53030;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

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

.btn-whatsapp {
  background: #25d366;
  color: white;
}

.btn-whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #2c5282 100%);
  color: white;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath fill='rgba(255,255,255,0.05)' d='M0 0h100v100H0z'/%3E%3C/svg%3E");
  opacity: 0.3;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.95;
  margin-bottom: 1.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-features {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.hero-feature i {
  color: var(--accent);
  font-size: 1.25rem;
}

.hero-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.2);
  text-align: center;
}

.hero-card .price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
}

.hero-card .badge {
  background: var(--secondary);
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

.bg-white {
  background: white;
}

.bg-light {
  background: var(--light);
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  height: 180px;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary);
}

.card-body {
  padding: 1.5rem;
}

.card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.card-body p {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--gray);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 1.5rem;
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary), #2b6cb0);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: white;
  font-size: 1.75rem;
}

.feature-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.feature-item p {
  color: var(--gray);
  font-size: 0.95rem;
}

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--secondary), #c53030);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta p {
  margin-bottom: 1.5rem;
  opacity: 0.95;
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.footer p, .footer a {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  display: block;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}

/* Contact Form */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--dark);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,54,93,0.15);
}

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

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  box-shadow: 0 4px 15px rgba(37,211,102,0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

/* Breadcrumb */
.breadcrumb {
  background: white;
  padding: 1rem 0;
  border-bottom: 1px solid #e2e8f0;
}

.breadcrumb a {
  color: var(--gray);
}

.breadcrumb a:hover {
  color: var(--secondary);
}

.breadcrumb span {
  color: var(--primary);
  font-weight: 500;
}

/* Product Filters */
.filters {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border: 2px solid #e2e8f0;
  background: white;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--secondary);
  background: var(--secondary);
  color: white;
}

/* Table */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

th {
  background: var(--light);
  font-weight: 600;
  color: var(--primary);
}

/* Admin */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 250px;
  background: var(--primary-dark);
  color: white;
  padding: 1.5rem 0;
}

.admin-sidebar h2 {
  padding: 0 1.5rem 1.5rem;
  font-size: 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin-nav a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: rgba(255,255,255,0.8);
}

.admin-nav a:hover,
.admin-nav a.active {
  background: rgba(255,255,255,0.1);
  color: white;
}

.admin-content {
  flex: 1;
  padding: 2rem;
  background: var(--light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat-card h3 {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.stat-card .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-features {
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    gap: 0;
  }
  .nav-menu.active {
    display: flex;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-menu a {
    display: block;
    padding: 0.75rem 1rem;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .section-title h2 {
    font-size: 1.75rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .top-bar .container {
    justify-content: center;
    text-align: center;
  }
  .admin-layout {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  animation: fadeInUp 0.6s ease forwards;
}

/* SEO / Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Map */
.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  height: 350px;
  background: #e2e8f0;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Testimonials */
.testimonial {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}

.testimonial::before {
  content: '"';
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.3;
  position: absolute;
  top: -10px;
  left: 10px;
}

.testimonial p {
  font-style: italic;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.testimonial .author {
  font-weight: 600;
  color: var(--primary);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background: #c6f6d5;
  color: #22543d;
}

.badge-warning {
  background: #feebc8;
  color: #744210;
}

.badge-danger {
  background: #fed7d7;
  color: #742a2a;
}

/* Alert */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.alert-success {
  background: #c6f6d5;
  color: #22543d;
  border: 1px solid #9ae6b4;
}

.alert-error {
  background: #fed7d7;
  color: #742a2a;
  border: 1px solid #feb2b2;
}