/* ========================================
   TotalSecurity Website - Main Stylesheet
   Mobile-First Responsive Design
   ======================================== */

/* === CSS Variables === */
:root {
  --primary-color: #0066cc;
  --primary-dark: #004a99;
  --primary-light: #3385d6;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --dark-color: #1a1a1a;
  --light-color: #f8f9fa;
  --white: #ffffff;
  --text-dark: #333333;
  --text-light: #666666;
  --border-color: #dee2e6;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --transition: all 0.3s ease;
  --border-radius: 8px;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* === Global Resets === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

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

a:hover {
  color: var(--primary-dark);
}

/* === Buttons === */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
  padding: 12px 30px;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
  display: inline-block;
  text-align: center;
  border: 2px solid var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-primary {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  padding: 12px 30px;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
  display: inline-block;
  text-align: center;
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 15px 40px;
  font-size: 1.1rem;
}

/* === Navigation === */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark-color) !important;
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-brand:hover {
  color: var(--primary-color) !important;
}

.nav-link {
  color: var(--text-dark) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-color) !important;
}

.nav-link.active {
  color: var(--primary-color) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* === Hero Section === */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: rgba(255,255,255,0.95);
  font-weight: 400;
}

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

/* === Feature Cards === */
.feature-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  height: 100%;
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--white);
  font-size: 2rem;
  box-shadow: var(--shadow-md);
}

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

.feature-card p {
  color: var(--text-light);
  margin-bottom: 0;
}

/* === Pricing Cards === */
.pricing-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 2px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

.pricing-card.featured .pricing-badge {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

.pricing-header h3 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin: 1rem 0;
}

.pricing-price span {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-light);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  flex-grow: 1;
}

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-dark);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li i {
  color: var(--success-color);
  margin-right: 10px;
}

.pricing-features li.unavailable {
  color: var(--text-light);
  text-decoration: line-through;
}

.pricing-features li.unavailable i {
  color: var(--text-light);
}

/* === Forms === */
.form-control {
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 12px 15px;
  transition: var(--transition);
  font-size: 1rem;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
  outline: none;
}

.form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.form-select {
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  padding: 12px 15px;
  transition: var(--transition);
}

.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
  outline: none;
}

/* === Sections === */
section {
  padding: 80px 0;
}

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

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

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

/* === Stats Section === */
.stats-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 60px 0;
}

.stat-item {
  text-align: center;
  padding: 1rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.9);
}

/* === CTA Section === */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-section p {
  color: rgba(255,255,255,0.95);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* === Footer === */
footer {
  background-color: var(--dark-color);
  color: var(--white);
  padding: 60px 0 30px;
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 30px;
  margin-top: 40px;
  text-align: center;
  color: rgba(255,255,255,0.6);
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background-color: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

/* === Utilities === */
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.border-primary { border-color: var(--primary-color) !important; }

/* === Animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* === Loading Spinner === */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0,0,0,0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* === Alert Messages === */
.alert {
  padding: 15px 20px;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  border: 1px solid transparent;
}

.alert-success {
  background-color: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
}

.alert-danger {
  background-color: #f8d7da;
  border-color: #f5c6cb;
  color: #721c24;
}

.alert-info {
  background-color: #d1ecf1;
  border-color: #bee5eb;
  color: #0c5460;
}

/* === Responsive Design === */

/* Tablets (768px and up) */
@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .hero-buttons {
    justify-content: flex-start;
  }
}

/* Desktop (992px and up) */
@media (min-width: 992px) {
  .hero-title {
    font-size: 4rem;
  }
  
  section {
    padding: 100px 0;
  }
}

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

/* Mobile Optimizations */
@media (max-width: 767px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  
  .hero-section {
    padding: 60px 0;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  section {
    padding: 60px 0;
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .hero-buttons,
  .cta-section,
  footer {
    display: none;
  }
}