/* ============================================
   HOMESERV - Modern CSS Styles
   Mobile-First Design
   ============================================ */

/* CSS Variables */
:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #10b981;
  --success-color: #22c55e;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --text-lighter: #9ca3af;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --bg-gray: #f3f4f6;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

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

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

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

/* Navigation */
.navbar {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
  padding: 1.5rem 0;
  transition: all 0.4s ease;
  z-index: 1000;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  padding: 0.75rem 0;
}

.navbar-brand img {
  height: 50px;
  width: auto;
  transition: all 0.4s ease;
  filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
}

.navbar.scrolled .navbar-brand img {
  height: 45px;
  filter: none;
}

.navbar-brand:hover img {
  transform: scale(1.05);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 140px 1rem 80px;
}

.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%);
  opacity: 0.5;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-title {
  color: white;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2.5rem;
  font-weight: 300;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.price-badge {
  display: inline-block;
  background: white;
  color: var(--primary-color);
  padding: 1.25rem 2.5rem;
  border-radius: 50px;
  font-size: 1.75rem;
  font-weight: 700;
  box-shadow: var(--shadow-2xl);
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.price-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.price-badge:hover {
  transform: translateY(-3px);
  box-shadow: 0 30px 40px -10px rgba(0, 0, 0, 0.3);
  color: var(--secondary-color);
}

.price-badge:hover::before {
  left: 100%;
}

/* Buttons */
.btn-primary-custom {
  background: var(--primary-color);
  color: white;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  border: none;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-outline-custom {
  background: transparent;
  color: var(--primary-color);
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  border: 2px solid var(--primary-color);
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-whatsapp {
  background: #25D366;
  color: white;
}

.btn-whatsapp:hover {
  background: #1fb855;
  color: white;
}

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

.section-title {
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 3rem;
  max-width: 700px;
}

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

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

/* Feature Cards */
.feature-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  height: 100%;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: white;
  font-size: 1.75rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.feature-text {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Info Cards */
.info-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  height: 100%;
  transition: var(--transition);
  border: 1px solid transparent;
}

.info-card:hover {
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
  transform: translateY(-3px);
}

.info-card img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

/* List Styles */
.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  padding: 0.75rem 0;
  padding-left: 2.5rem;
  position: relative;
  color: var(--text-dark);
  line-height: 1.7;
}

.check-list li::before {
  content: '\f058';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-size: 1.25rem;
  top: 0.75rem;
}

/* Pricing Card */
.pricing-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 20px;
  padding: 3rem;
  color: white;
  box-shadow: var(--shadow-2xl);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulse-pricing 3s ease-in-out infinite;
}

@keyframes pulse-pricing {
  0%, 100% { 
    transform: scale(1); 
    opacity: 0.5; 
  }
  50% { 
    transform: scale(1.1); 
    opacity: 0.8; 
  }
}

.pricing-card > * {
  position: relative;
  z-index: 1;
}

.pricing-amount {
  font-size: 3rem;
  font-weight: 800;
  margin: 1rem 0;
  line-height: 1;
}

.pricing-period {
  font-size: 1.125rem;
  opacity: 0.9;
}

/* FAQ Section */
.faq-item {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.faq-question {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.faq-question::before {
  content: '\f059';
  font-family: 'Font Awesome 6 Free';
  font-weight: 400;
  color: var(--primary-color);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.faq-answer {
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0;
  padding-left: 2rem;
}

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

.footer-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

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

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  display: block;
  padding: 0.5rem 0;
  transition: var(--transition);
  position: relative;
  padding-left: 0;
}

.footer-link:hover {
  color: white;
  padding-left: 8px;
}

.footer-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.footer-link:hover::before {
  width: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom a:hover {
  color: white;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
}

.whatsapp-button {
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-2xl);
  color: white;
  animation: none;
}

@keyframes pulse-whatsapp {
  0%, 100% { 
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); 
  }
  50% { 
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); 
  }
}

/* Utility Classes */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.shadow-custom {
  box-shadow: var(--shadow-lg);
}

.rounded-custom {
  border-radius: 16px;
}

/* Responsive Design - Mobile First */
@media (max-width: 767px) {
  section {
    padding: 60px 0;
  }

  .hero-section {
    padding: 120px 1rem 60px;
    min-height: auto;
  }

  .price-badge {
    font-size: 1.5rem;
    padding: 1rem 2rem;
  }

  .pricing-amount {
    font-size: 2.25rem;
  }

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

  .whatsapp-button {
    width: 55px;
    height: 55px;
    font-size: 1.75rem;
  }

  .feature-card,
  .info-card {
    padding: 1.5rem;
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  footer {
    padding: 40px 0 20px;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .hero-section {
    padding: 130px 1rem 70px;
  }

  section {
    padding: 70px 0;
  }
}

@media (min-width: 992px) {
  .feature-card:hover {
    transform: translateY(-8px);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .whatsapp-float,
  footer {
    display: none;
  }

  section {
    padding: 20px 0;
  }

  .hero-section {
    min-height: auto;
    padding: 40px 0;
  }
}

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

/* Focus Styles */
a:focus,
button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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