/* CSS Variables */
:root {
  --color-primary: #4FA3F7;
  --color-secondary: #F9F9F9;
  --color-accent: #D9D9D9;
  --color-cta: #1A3D6C;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-white: #FFFFFF;
  --color-border: #E0E0E0;
  --font-primary: 'Roboto', sans-serif;
  --font-heading: 'Lato', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-cta);
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
  margin-bottom: var(--space-md);
}

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

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

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

/* Header */
.header-container {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1000;
}

.header-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-cta);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.nav-link:hover {
  background-color: var(--color-secondary);
  color: var(--color-cta);
}

.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  font-size: 1.5rem;
  color: var(--color-cta);
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 200px);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-spacing {
  padding: var(--space-xl) 0;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-cta) 100%);
  color: var(--color-white);
  padding: var(--space-xxl) var(--space-lg);
  text-align: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 61, 108, 0.75) 0%, rgba(79, 163, 247, 0.75) 100%);
  z-index: 1;
}

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

.hero-title {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-lg);
  opacity: 0.95;
}

.hero-button {
  display: inline-block;
  background-color: var(--color-white);
  color: var(--color-cta);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-cta);
}

/* Grid Layouts */
.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.grid-four {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
  font-size: 1rem;
}

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

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

.btn-secondary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

/* Forms */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.checkbox-input {
  margin-top: 0.25rem;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* Gallery */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 1;
}

.gallery-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

/* Visualize Tool */
.visualize-container {
  background-color: var(--color-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
}

.visualize-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  justify-content: center;
}

.visualize-select {
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  background-color: var(--color-white);
  cursor: pointer;
}

.visualize-preview {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.preview-image {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-sm);
}

/* Map Container */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-md);
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer */
.footer-container {
  background-color: var(--color-cta);
  color: var(--color-white);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.footer-section {
  margin-bottom: var(--space-md);
}

.footer-title {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

.footer-menu {
  list-style: none;
}

.footer-link {
  color: var(--color-white);
  opacity: 0.9;
  display: block;
  padding: var(--space-xs) 0;
  transition: opacity var(--transition-fast);
}

.footer-link:hover {
  opacity: 1;
  color: var(--color-white);
}

.footer-text {
  color: var(--color-white);
  opacity: 0.8;
  font-size: 0.9rem;
}

/* Privacy Popup */
.privacy-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.privacy-overlay.active {
  display: flex;
}

.privacy-popup {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.privacy-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.privacy-close:hover {
  background-color: var(--color-secondary);
}

.privacy-title {
  margin-bottom: var(--space-lg);
}

.privacy-content {
  color: var(--color-text-light);
  line-height: 1.8;
}

/* 404 Page */
.error-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.error-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 61, 108, 0.7);
  z-index: 1;
}

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

.error-code {
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  margin-bottom: var(--space-lg);
  color: var(--color-white);
}

/* Thank You Page */
.thank-you-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.thank-you-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 61, 108, 0.7);
  z-index: 1;
}

.thank-you-container .container {
  position: relative;
  z-index: 2;
}

.thank-you-icon {
  font-size: 4rem;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.thank-you-title {
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.thank-you-message {
  font-size: 1.1rem;
  color: var(--color-white);
  max-width: 600px;
  margin-bottom: var(--space-xl);
}

/* Product Cards */
.product-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-fast);
}

.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.product-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--space-md) 0;
}

.product-description {
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

/* Testimonial Cards */
.testimonial-card {
  background-color: var(--color-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.testimonial-text {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-cta);
}

.testimonial-location {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* Article Cards */
.article-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.article-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-content {
  padding: var(--space-lg);
}

.article-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.article-excerpt {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.article-link {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
  .burger-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 50px;
    left: -100%;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: left var(--transition-fast);
    z-index: 999;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--space-md);
  }

  .hero-section {
    padding: var(--space-xl) var(--space-md);
  }

  .section-spacing {
    padding: var(--space-lg) 0;
  }

  .grid-two,
  .grid-three,
  .grid-four {
    grid-template-columns: 1fr;
  }

  .visualize-controls {
    flex-direction: column;
  }

  .visualize-select {
    width: 100%;
  }

  .footer-wrapper {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .privacy-popup {
    padding: var(--space-lg);
    max-width: 95%;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .header-wrapper {
    padding: var(--space-md);
  }

  .image-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-sm);
  }

  .visualize-preview {
    min-height: 300px;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }

  .hero-section {
    padding: var(--space-lg) var(--space-sm);
  }

  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.hidden {
  display: none;
}