:root {
  --primary: #0066cc;
  --secondary: #00ccff;
  --dark-bg: #0a0a0a;
  --dark-surface: #121212;
  --light-text: #f0f0f0;
  --gray-text: #a0a0a0;
  --glass-bg: rgba(20, 20, 20, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --font-main: 'Inter', system-ui, Avenir, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--dark-bg);
  color: var(--light-text);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s ease;
}

ul {
  list-style: none;
}

/* Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.text-gradient {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--primary);
  color: white;
  border-radius: 50px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
}

.btn:hover {
  background: var(--secondary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(0, 102, 204, 0.1);
}

.section-padding {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
}

nav a {
  margin-left: 2rem;
  font-weight: 500;
  opacity: 0.8;
}

nav a:hover {
  opacity: 1;
  color: var(--secondary);
}

.menu-toggle {
  display: none;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--light-text);
  margin: 5px 0;
}

/* Hero */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 140px;
  padding-bottom: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(0, 102, 204, 0.2) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(0, 204, 255, 0.1) 0%, transparent 40%);
  z-index: -1;
}

.hero-content h1 {
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--gray-text);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

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

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2rem;
  border-radius: 12px;
  transition: 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  background: rgba(20, 20, 20, 0.9);
  border-color: var(--primary);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

/* Areas */
.city-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.city-tab {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--light-text);
  padding: 10px 20px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: 0.3s;
}

.city-tab.active, .city-tab:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.neighborhoods-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding: 2rem;
  border-radius: 12px;
  justify-content: center;
  max-height: 400px;
  overflow-y: auto;
}

.neighborhood-tag {
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--gray-text);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-info {
  padding: 2.5rem;
  border-radius: 12px;
}

.schedule-list li {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.closed {
  color: #ff4444;
}

.btn-whatsapp {
  margin-top: 1.5rem;
  display: block;
  text-align: center;
  background: #25D366;
}

.map-container {
  border-radius: 12px;
  overflow: hidden;
  min-height: 400px;
}

/* Footer */
footer {
  background: var(--dark-surface);
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--dark-bg);
    flex-direction: column;
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }
  
  .nav-links a {
    display: block;
    margin: 1.5rem 0;
  }

  .menu-toggle {
    display: block;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-cta {
    flex-direction: column;
  }
}

/* Brands Section */
.brands-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  opacity: 0.7;
}

.brand-item {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light-text);
  padding: 1rem 2rem;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
}

/* Process Section */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.process-step {
  position: relative;
  padding: 2rem;
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--secondary);
  opacity: 0.2;
  margin-bottom: -1rem;
  display: block;
}

.process-step h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Tips Section */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.tip-card {
  background: var(--dark-surface);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--secondary);
}

.tip-card h3 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.tip-card p {
    color: var(--gray-text);
    font-size: 0.95rem;
}

/* Defects SEO Section */
.defects-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.defect-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  border: 1px solid var(--glass-border);
}

.defect-icon {
  color: #ff4444; /* Alert color for problems */
  font-size: 1.5rem;
  min-width: 24px;
}

.defect-content h4 {
  color: var(--light-text);
  margin-bottom: 0.5rem;
}

.defect-content p {
  color: var(--gray-text);
  font-size: 0.9rem;
}

/* SEO Footer Block */
.seo-block {
    background: var(--dark-bg);
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
}

.seo-text {
    color: var(--gray-text);
    font-size: 0.9rem;
    line-height: 1.8;
    column-count: 2;
    column-gap: 4rem;
}

@media (max-width: 768px) {
    .seo-text {
        column-count: 1;
    }
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
    border-color: var(--secondary);
    box-shadow: 0 10px 30px rgba(0, 204, 255, 0.2);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .gallery-item {
        aspect-ratio: 4 / 5;
    }
}