/*
Theme Name: Samsung Service Center
Description: Professional Samsung appliance service center theme for Bangalore. SEO optimized with conversion tracking.
Version: 1.0
Author: Samsung Service Center
Text Domain: samsung-service
*/

:root {
  --samsung-blue: #1428A0;
  --samsung-light-blue: #034EA2;
  --samsung-accent: #0689D8;
  --samsung-white: #FFFFFF;
  --samsung-dark: #333333;
  --samsung-gray: #f8f9fa;
  --samsung-border: #e9ecef;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--samsung-dark);
  background-color: var(--samsung-white);
}

/* Header Styles */
.site-header {
  background: linear-gradient(135deg, var(--samsung-blue) 0%, var(--samsung-light-blue) 100%);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(20, 40, 160, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.5rem;
  font-weight: bold;
  text-decoration: none;
  color: white;
}

.logo img {
  width: 40px;
  height: 40px;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.call-button {
  background: var(--samsung-accent);
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.call-button:hover {
  background: var(--samsung-light-blue);
  color: white;
  text-decoration: none;
}

/* Navigation */
.main-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--samsung-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.nav-menu a {
  color: var(--samsung-dark);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  background: var(--samsung-blue);
  color: white;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(rgba(20, 40, 160, 0.8), rgba(3, 74, 162, 0.8)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23f8f9fa" width="1200" height="600"/></svg>');
  background-size: cover;
  background-position: center;
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: bold;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-button {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cta-primary {
  background: var(--samsung-accent);
  color: white;
}

.cta-secondary {
  background: white;
  color: var(--samsung-blue);
  border: 2px solid white;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  text-decoration: none;
  color: inherit;
}

/* Services Grid */
.services-section {
  padding: 4rem 0;
  background: var(--samsung-gray);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  color: var(--samsung-blue);
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(20, 40, 160, 0.15);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.service-title {
  font-size: 1.5rem;
  color: var(--samsung-blue);
  margin-bottom: 1rem;
}

.service-description {
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-features {
  list-style: none;
  text-align: left;
  margin-bottom: 1.5rem;
}

.service-features li {
  padding: 0.25rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.service-features li:before {
  content: '✓';
  color: var(--samsung-accent);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.service-button {
  background: var(--samsung-blue);
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.service-button:hover {
  background: var(--samsung-light-blue);
  color: white;
  text-decoration: none;
}

/* Contact Form */
.contact-section {
  padding: 4rem 0;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--samsung-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--samsung-border);
  border-radius: 5px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--samsung-blue);
}

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

.submit-button {
  background: var(--samsung-blue);
  color: white;
  padding: 1rem 2rem;
  border: none;
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease;
  width: 100%;
}

.submit-button:hover {
  background: var(--samsung-light-blue);
}

/* Footer */
.site-footer {
  background: var(--samsung-dark);
  color: white;
  padding: 3rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--samsung-accent);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  padding: 0.25rem 0;
}

.footer-section a {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 2rem;
  text-align: center;
}

.disclaimer {
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid #ffc107;
  border-radius: 5px;
  padding: 1rem;
  margin: 2rem 0;
  color: #856404;
  text-align: center;
  font-weight: bold;
}

/* Call Popup */
.call-popup {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--samsung-blue);
  color: white;
  padding: 1rem;
  border-radius: 50px;
  box-shadow: 0 5px 15px rgba(20, 40, 160, 0.3);
  z-index: 1001;
  animation: bounce 2s infinite;
}

.call-popup a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .header-contact {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .nav-menu {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Loading Spinner */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid var(--samsung-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* SEO Friendly Image Lazy Loading */
.lazy-load {
  opacity: 0;
  transition: opacity 0.3s;
}

.lazy-load.loaded {
  opacity: 1;
}

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

/* Focus indicators for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--samsung-accent);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --samsung-blue: #000080;
    --samsung-accent: #0066CC;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .call-popup {
    animation: none;
  }
}