/* EcoEnergy Zone - Custom Styles */
/* Author: EcoEnergy Zone Development Team */
/* Last Updated: June 24, 2025 */

/* ==========================================
   CSS VARIABLES
   ========================================== */
:root {
  /* Brand Colors */
  --primary-color: #007bff;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --info-color: #17a2b8;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  
  /* Eco-friendly Theme */
  --eco-green: #2e7d32;
  --eco-light-green: #4caf50;
  --eco-blue: #1976d2;
  --eco-light-blue: #42a5f5;
  
  /* Typography */
  --font-family-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  /* Spacing */
  --section-padding: 80px 0;
  --container-max-width: 1200px;
  
  /* Shadows */
  --box-shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --box-shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --box-shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* ==========================================
   GLOBAL STYLES
   ========================================== */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-sans);
  line-height: 1.6;
  color: var(--dark-color);
  padding-top: 76px; /* Account for fixed header */
  overflow-x: hidden;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Text selection styling */
::selection {
  background-color: var(--eco-light-green);
  color: white;
}

::-moz-selection {
  background-color: var(--eco-light-green);
  color: white;
}

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

.display-4 {
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
}

.lead {
  font-size: 1.125rem;
  font-weight: var(--font-weight-normal);
  color: var(--secondary-color);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
header {
  transition: all var(--transition-normal);
  z-index: 1000;
}

.navbar {
  padding: 1rem 0;
  background-color: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar-brand img {
  transition: transform var(--transition-fast);
}

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

.navbar-nav .nav-link {
  font-weight: var(--font-weight-medium);
  padding: 0.5rem 1rem !important;
  position: relative;
  transition: color var(--transition-fast);
}

.navbar-nav .nav-link:hover {
  color: var(--eco-green) !important;
}

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

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

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(45deg, var(--eco-light-blue) 0%, var(--eco-green) 100%);
  opacity: 0.1;
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-illustration svg {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(var(--box-shadow-md));
}

/* ==========================================
   FEATURE BOXES
   ========================================== */
.feature-box {
  background: white;
  border-radius: 12px;
  box-shadow: var(--box-shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid #e9ecef;
  height: 100%;
}

.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-md);
  border-color: var(--eco-light-green);
}

.feature-icon {
  display: inline-block;
  padding: 1rem;
  background: linear-gradient(45deg, var(--eco-light-blue), var(--eco-green));
  border-radius: 50%;
  color: white;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.service-card {
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  border-radius: 12px;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
  border-color: var(--eco-light-green);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(45deg, var(--primary-color), var(--eco-green));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.service-card h4 {
  color: var(--eco-green);
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
}

.service-card ul li {
  padding: 0.25rem 0;
  font-size: 0.9rem;
}

/* ==========================================
   PRODUCT CATALOG
   ========================================== */
.product-card {
  transition: all var(--transition-normal);
  border: none !important;
  overflow: hidden;
  background: white;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
}

.product-image {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.product-card:hover .product-image {
  transform: scale(1.1);
}

.product-features small {
  background: rgba(40, 167, 69, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  font-weight: var(--font-weight-medium);
}

/* ==========================================
   REVIEWS SECTION
   ========================================== */
.review-card {
  border: none !important;
  border-radius: 16px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.review-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--eco-green), var(--eco-light-blue));
}

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

.stars {
  margin-bottom: 1rem;
}

.reviewer {
  border-top: 1px solid #e9ecef;
  padding-top: 1rem;
  margin-top: 1rem;
}

.stats-row {
  background: linear-gradient(135deg, var(--eco-green) 0%, var(--eco-blue) 100%) !important;
  border-radius: 16px;
  box-shadow: var(--box-shadow-md);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-info {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--box-shadow-sm);
  height: fit-content;
}

.contact-item {
  padding: 1rem 0;
  border-bottom: 1px solid #e9ecef;
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(45deg, var(--primary-color), var(--eco-green));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.contact-form {
  border-radius: 16px;
}

.contact-form .form-control, 
.contact-form .form-select {
  border: 2px solid #e9ecef;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
}

.contact-form .form-control:focus, 
.contact-form .form-select:focus {
  border-color: var(--eco-green);
  box-shadow: 0 0 0 0.2rem rgba(46, 125, 50, 0.25);
}

.social-links a {
  transition: all var(--transition-fast);
  text-decoration: none;
}

.social-links a:hover {
  transform: translateY(-2px);
  color: var(--eco-green) !important;
}

/* ==========================================
   COOKIE BANNER
   ========================================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--dark-color) 0%, #495057 100%);
  color: white;
  padding: 1rem 0;
  z-index: 1050;
  box-shadow: 0 -4px 8px rgba(0,0,0,0.1);
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-banner .btn {
  border-radius: 20px;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.cookie-banner .btn-outline-light:hover {
  background-color: white;
  color: var(--dark-color);
}

/* ==========================================
   LEGAL PAGES
   ========================================== */
.legal-content {
  background: white;
  padding: 3rem;
  border-radius: 16px;
  box-shadow: var(--box-shadow-sm);
  margin-bottom: 2rem;
}

.legal-content h2 {
  color: var(--eco-green);
  border-bottom: 2px solid var(--eco-light-green);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.legal-content section {
  margin-bottom: 2.5rem;
}

.legal-content .table {
  box-shadow: var(--box-shadow-sm);
  border-radius: 8px;
  overflow: hidden;
}

.legal-content .table thead {
  background: linear-gradient(135deg, var(--eco-green), var(--eco-blue));
  color: white;
}

/* ==========================================
   THANK YOU PAGE
   ========================================== */
.thank-you-content {
  text-align: center;
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--box-shadow-md);
}

.success-icon {
  animation: bounceIn 1s ease-out;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.step-number {
  font-weight: var(--font-weight-bold);
  min-width: 30px;
  min-height: 30px;
}

.contact-emergency {
  background: linear-gradient(135deg, var(--primary-color), var(--eco-blue)) !important;
  border-radius: 16px;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  border-radius: 8px;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--eco-green));
  border: none;
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--eco-green), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-md);
}

.btn-outline-primary {
  border-color: var(--eco-green);
  color: var(--eco-green);
}

.btn-outline-primary:hover {
  background-color: var(--eco-green);
  border-color: var(--eco-green);
  color: white;
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color), var(--eco-green));
  border: none;
}

.btn-success:hover {
  background: linear-gradient(135deg, var(--eco-green), var(--success-color));
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.75rem 2rem;
  font-size: 1.125rem;
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
  background: linear-gradient(135deg, var(--dark-color) 0%, #495057 100%) !important;
  margin-top: 4rem;
}

footer .footer-brand img {
  filter: brightness(0) invert(1);
}

footer h5 {
  color: var(--eco-light-green);
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
}

footer a {
  color: #adb5bd;
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--eco-light-green);
  text-decoration: none;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 992px) {
  .hero-section {
    text-align: center;
    padding: 2rem 0;
  }
  
  .hero-section::before {
    width: 100%;
    height: 30%;
    top: auto;
    bottom: 0;
  }
  
  .legal-content {
    padding: 2rem;
  }
  
  .thank-you-content {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }
  
  .display-4 {
    font-size: 2.5rem;
  }
  
  .navbar {
    padding: 0.5rem 0;
  }
  
  .hero-section {
    min-height: 80vh;
  }
  
  .feature-box,
  .service-card,
  .product-card,
  .review-card {
    margin-bottom: 1.5rem;
  }
  
  .contact-info {
    margin-bottom: 2rem;
  }
  
  .cookie-banner {
    padding: 1.5rem 0;
  }
  
  .cookie-banner .btn {
    margin-top: 0.5rem;
    width: 100%;
  }
  
  .legal-content {
    padding: 1.5rem;
  }
  
  .browser-card {
    margin-bottom: 1rem;
  }
}

@media (max-width: 576px) {
  body {
    padding-top: 70px;
  }
  
  .display-4 {
    font-size: 2rem;
    line-height: 1.2;
  }
  
  .lead {
    font-size: 1rem;
  }
  
  .btn-lg {
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
  }
  
  .hero-section {
    min-height: 70vh;
    padding: 1rem 0;
  }
  
  .legal-content {
    padding: 1rem;
  }
  
  .thank-you-content {
    padding: 1.5rem;
  }
  
  .contact-emergency .btn {
    margin-bottom: 0.5rem;
  }
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Focus indicators */
.btn:focus,
.form-control:focus,
.form-select:focus {
  box-shadow: 0 0 0 0.2rem rgba(46, 125, 50, 0.25);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .feature-box,
  .service-card,
  .product-card,
  .review-card {
    border: 2px solid var(--dark-color);
  }
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
  .cookie-banner,
  header,
  footer,
  .btn,
  .social-links {
    display: none !important;
  }
  
  body {
    padding-top: 0;
  }
  
  .hero-section {
    min-height: auto;
    page-break-after: always;
  }
  
  .legal-content {
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* ==========================================
   LOADING STATES
   ========================================== */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.text-eco-green {
  color: var(--eco-green) !important;
}

.bg-eco-green {
  background-color: var(--eco-green) !important;
}

.border-eco-green {
  border-color: var(--eco-green) !important;
}

.shadow-eco {
  box-shadow: var(--box-shadow-md) !important;
}

.rounded-eco {
  border-radius: 16px !important;
}

.transition-eco {
  transition: all var(--transition-normal) !important;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--eco-green), var(--eco-blue));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(var(--eco-blue), var(--eco-green));
}