/* ===== VARIABLES ===== */
:root {
  /* Core colors - Brutalism with Neutral scheme */
  --color-primary: #333333;
  --color-primary-dark: #222222;
  --color-secondary: #666666;
  --color-secondary-dark: #444444;
  --color-accent: #d64545;
  --color-accent-dark: #b83535;
  --color-neutral: #f2f2f2;
  --color-neutral-dark: #e0e0e0;
  --color-text: #222222;
  --color-text-light: #ffffff;
  --color-text-muted: #999999;
  --color-border: #cccccc;
  --color-success: #4caf50;
  --color-error: #f44336;
  
  /* Hyperrealistic textures */
  --texture-concrete: url('../image/texture-concrete.jpg');
  --texture-paper: url('../image/texture-paper.jpg');
  
  /* Typography */
  --font-heading: 'Roboto', sans-serif;
  --font-body: 'Lato', sans-serif;
  --font-size-base: 16px;
  --font-size-small: 0.875rem;
  --font-size-medium: 1rem;
  --font-size-large: 1.125rem;
  --font-size-xl: 1.375rem;
  --font-size-xxl: 1.75rem;
  --font-size-huge: 2.5rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Border radius */
  --radius-small: 3px;
  --radius-medium: 5px;
  --radius-large: 8px;
  
  /* Shadows */
  --shadow-small: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 10px 20px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --container-width: 1200px;
  --container-padding: 1rem;
  --header-height: 80px;
  
  /* Z-index */
  --z-header: 1000;
  --z-modal: 2000;
}

/* ===== BASE STYLES ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-huge);
}

h2 {
  font-size: var(--font-size-xxl);
}

h3 {
  font-size: var(--font-size-xl);
}

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

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

a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

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

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

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

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

.text-light {
  color: var(--color-text-light);
}

.mb-0 {
  margin-bottom: 0;
}

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

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

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

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.mt-0 {
  margin-top: 0;
}

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

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

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

.mt-xl {
  margin-top: var(--spacing-xl);
}

.py-sm {
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.py-md {
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.py-lg {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.py-xl {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.px-sm {
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.px-md {
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.px-lg {
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.px-xl {
  padding-left: var(--spacing-xl);
  padding-right: var(--spacing-xl);
}

/* ===== BUTTONS ===== */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-medium);
  font-family: var(--font-heading);
  font-size: var(--font-size-medium);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-medium);
}

.btn:hover, 
button:hover, 
input[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-large);
  text-decoration: none;
}

.btn:active, 
button:active, 
input[type="submit"]:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-small);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-light);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-text-light);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-text-light);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-large);
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-small);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ===== FORMS ===== */
form {
  margin-bottom: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

input, 
textarea, 
select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-medium);
  font-family: var(--font-body);
  font-size: var(--font-size-medium);
  transition: border-color var(--transition-fast);
}

input:focus, 
textarea:focus, 
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(214, 69, 69, 0.2);
}

input::placeholder, 
textarea::placeholder {
  color: var(--color-text-muted);
}

.form-checkbox {
  display: flex;
  align-items: center;
}

.form-checkbox input {
  width: auto;
  margin-right: var(--spacing-sm);
}

.form-checkbox label {
  margin-bottom: 0;
}

/* ===== HEADER & NAVIGATION ===== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-primary);
  box-shadow: var(--shadow-medium);
  z-index: var(--z-header);
}

.main-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  font-size: var(--font-size-xl);
}

.logo a {
  color: var(--color-text-light);
  font-weight: 700;
  text-decoration: none;
}

.logo h1 {
  margin: 0;
  font-size: var(--font-size-xl);
}

.desktop-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-nav li {
  margin-left: var(--spacing-md);
}

.desktop-nav a {
  color: var(--color-text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--spacing-sm) 0;
  position: relative;
}

.desktop-nav a:hover {
  text-decoration: none;
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-medium);
}

.desktop-nav a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text-light);
  transition: all var(--transition-medium);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background-color: var(--color-primary-dark);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-medium);
  z-index: var(--z-header);
  transform: translateY(-100%);
  transition: transform var(--transition-medium);
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li {
  margin-bottom: var(--spacing-sm);
}

.mobile-nav a {
  display: block;
  color: var(--color-text-light);
  font-weight: 500;
  padding: var(--spacing-sm);
  border-radius: var(--radius-medium);
  transition: background-color var(--transition-fast);
}

.mobile-nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

/* Mobile menu active state */
.mobile-menu-active .mobile-menu-toggle span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-active .mobile-menu-toggle span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-active .mobile-menu-toggle span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu-active .mobile-nav {
  transform: translateY(0);
  display: block;
}

/* ===== HERO SECTION ===== */
.hero-section {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-xxl)) 0 var(--spacing-xxl);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.hero-title {
  font-size: var(--font-size-huge);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* ===== SECTION STYLES ===== */
section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
}

/* ===== CARDS ===== */
.card {
  background-color: white;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

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

.card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  text-align: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
  margin: 0 auto;
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: var(--spacing-lg);
  flex: 1;
  width: 100%;
}

.card-content p, .card-content h3 {
  color: #000;
}

.card h3 {
  margin-bottom: var(--spacing-md);
}

/* ===== WHY US SECTION ===== */
.why-us-section {
  background-color: var(--color-neutral);
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* ===== COURSES SECTION ===== */
.courses-section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* ===== STATS SECTION ===== */
.stats-section {
  background-color: var(--color-neutral);
  text-align: center;
}

.stats-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: var(--spacing-lg);
}

.stat-item {
  flex: 1 1 200px;
  max-width: 250px;
  padding: var(--spacing-lg);
  background-color: white;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
}

.stat-number {
  font-size: var(--font-size-huge);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-medium);
  color: var(--color-secondary);
}

/* ===== HISTORY SECTION ===== */
.history-section {
  background-color: var(--color-neutral);
}

.history-timeline {
  position: relative;
}

.history-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background-color: var(--color-secondary);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xxl);
  width: 100%;
}

.timeline-year {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: var(--color-text-light);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-medium);
  font-weight: 700;
  z-index: 1;
}

.timeline-content {
  position: relative;
  width: calc(50% - var(--spacing-lg));
  padding: var(--spacing-lg);
  background-color: white;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: auto;
}

.timeline-item:nth-child(odd) .timeline-content::before,
.timeline-item:nth-child(even) .timeline-content::before {
  content: '';
  position: absolute;
  top: 20px;
  width: 20px;
  height: 20px;
  background-color: white;
  transform: rotate(45deg);
  box-shadow: var(--shadow-small);
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: -10px;
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -10px;
}

/* ===== RESEARCH SECTION ===== */
.research-section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* ===== RESOURCES SECTION ===== */
.resources-section {
  background-color: var(--color-neutral);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.resource-item {
  padding: var(--spacing-lg);
  background-color: white;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
}

.resource-item h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.resource-item ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.resource-item li {
  margin-bottom: var(--spacing-sm);
}

.resource-item a {
  display: block;
  padding: var(--spacing-sm);
  border-radius: var(--radius-small);
  transition: background-color var(--transition-fast);
}

.resource-item a:hover {
  background-color: var(--color-neutral);
  text-decoration: none;
}

/* ===== WEBINARS SECTION ===== */
.webinars-section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
}

.webinars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.webinar-date {
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio-section {
  background-color: var(--color-neutral);
}

.portfolio-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-sm);
}

.filter-btn {
  background: none;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio-item {
  transition: all var(--transition-medium);
}

.portfolio-item.hidden {
  display: none;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
}

.testimonials-slider {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.testimonial-slide {
  display: none;
}

.testimonial-slide.active {
  display: block;
}

.testimonial-content {
  padding: var(--spacing-lg);
  font-size: var(--font-size-large);
  font-style: italic;
}

.testimonial-content p {
  color: #000;
}

.testimonial-author {
  display: flex;
  align-items: center;
  margin-top: var(--spacing-md);
}

.testimonial-author .card-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  margin-right: var(--spacing-md);
}

.testimonial-author .card-image img {
  width: 80px;
  height: 80px;
  object-fit: cover;
}

.author-info h4 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-large);
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.prev-btn, .next-btn {
  background-color: rgba(255, 255, 255, 0.3);
  color: var(--color-text-light);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.prev-btn:hover, .next-btn:hover {
  background-color: rgba(255, 255, 255, 0.5);
}

/* ===== SUSTAINABILITY SECTION ===== */
.sustainability-section {
  background-color: var(--color-neutral);
}

.sustainability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* ===== ACCOLADES SECTION ===== */
.accolades-section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
}

.accolades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.accolade-item {
  text-align: center;
  padding: var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-medium);
  backdrop-filter: blur(5px);
  transition: transform var(--transition-medium);
}

.accolade-item:hover {
  transform: translateY(-5px);
}

.accolade-item .card-image {
  height: 200px;
  margin-bottom: var(--spacing-md);
}

.accolade-item h3 {
  margin-bottom: var(--spacing-sm);
}

/* ===== PRESS SECTION ===== */
.press-section {
  background-color: var(--color-neutral);
}

.press-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.press-item {
  background-color: white;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  transition: transform var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.press-item:hover {
  transform: translateY(-5px);
}

.press-item .card-image {
  width: 100%;
  height: 200px;
}

.press-item h3 {
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
  margin: 0;
}

.press-item p {
  padding: 0 var(--spacing-md);
  margin: 0 0 var(--spacing-sm);
}

.press-date {
  color: var(--color-text-muted);
  font-style: italic;
  padding-bottom: var(--spacing-md);
}

/* ===== FAQ SECTION ===== */
.faq-section {
  background-color: var(--color-neutral);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--spacing-md);
  background-color: white;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.faq-question h3 {
  margin: 0;
  font-size: var(--font-size-large);
}

.toggle-icon {
  font-size: var(--font-size-xl);
  transition: transform var(--transition-medium);
}

.faq-item.active .toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium), padding var(--transition-medium);
}

.faq-item.active .faq-answer {
  padding: var(--spacing-md);
  max-height: 500px;
}

/* ===== CASE STUDIES SECTION ===== */
.case-studies-section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-light);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.case-study-item .card {
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  color: var(--color-text-light);
}

.case-study-item .card:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
  background-color: var(--color-neutral);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
}

.contact-info {
  padding: var(--spacing-lg);
  background-color: white;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
}

.contact-hours {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.map-container {
  margin-top: var(--spacing-lg);
  height: 350px;
  border-radius: var(--radius-medium);
  overflow: hidden;
}

.map-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-form-container {
  padding: var(--spacing-lg);
  background-color: white;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
}

/* ===== FOOTER ===== */
.main-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  padding: var(--spacing-xxl) 0 var(--spacing-md);
}

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

.footer-column h3 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-accent);
}

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

.footer-column li {
  margin-bottom: var(--spacing-sm);
}

.footer-column a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-links a {
  color: var(--color-text-light);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.social-links a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.newsletter-form {
  display: flex;
  margin-bottom: 0;
}

.newsletter-form input {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.newsletter-form button {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* ===== SUCCESS PAGE ===== */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl);
}

.success-container {
  max-width: 600px;
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
}

.success-icon {
  color: var(--color-success);
  font-size: 60px;
  margin-bottom: var(--spacing-lg);
}

/* ===== PRIVACY & TERMS PAGES ===== */
.privacy-page, .terms-page {
  padding-top: calc(var(--header-height) + var(--spacing-lg));
}

.privacy-container, .terms-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-medium);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

.animate-fade-in {
  animation: fadeIn 1s ease forwards;
}

.animate-slide-up {
  animation: slideInUp 0.8s ease forwards;
}

.animate-bounce {
  animation: bounce 2s ease infinite;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1200px) {
  :root {
    --container-width: 100%;
  }
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: var(--font-size-xxl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-large);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-huge: 2rem;
    --font-size-xxl: 1.5rem;
    --font-size-xl: 1.25rem;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .history-timeline::before {
    left: 20px;
  }
  
  .timeline-year {
    left: 20px;
    transform: none;
  }
  
  .timeline-content {
    width: calc(100% - 50px);
    margin-left: 50px !important;
  }
  
  .timeline-item:nth-child(odd) .timeline-content::before,
  .timeline-item:nth-child(even) .timeline-content::before {
    left: -10px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 576px) {
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-title {
    margin-bottom: var(--spacing-lg);
  }
  
  .card-content {
    padding: var(--spacing-md);
  }
  
  .stats-container {
    flex-direction: column;
    align-items: center;
  }
  
  .stat-item {
    width: 100%;
    max-width: none;
  }
  
  .testimonial-controls {
    margin-top: var(--spacing-md);
  }
}