/* ============================== 
   CSS Variables - Design System
   ============================== */
:root {
  /* Primary Colors (Split-Complementary Scheme) */
  --color-primary: #1a6fc7;
  --color-primary-dark: #0f5ea6;
  --color-primary-light: #3a8fe7;
  
  --color-secondary: #f27d42;
  --color-secondary-dark: #d65f24;
  --color-secondary-light: #ff9b6a;
  
  --color-tertiary: #8e44ad;
  --color-tertiary-dark: #703990;
  --color-tertiary-light: #a86cca;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-light-gray: #e9ecef;
  --color-medium-gray: #ced4da;
  --color-dark-gray: #6c757d;
  --color-charcoal: #343a40;
  --color-black: #212529;
  
  /* Functional Colors */
  --color-success: #28a745;
  --color-info: #17a2b8;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-xxl: 4rem;
  
  /* Borders & Shadows */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-indices */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
  
  /* Containers */
  --container-padding: 1.5rem;
  --container-max-width: 1200px;
  
  /* Special Effects */
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-charcoal);
  background-color: var(--color-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--color-charcoal);
}

h1 {
  font-size: 2.75rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1.5rem;
}

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

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

ul, ol {
  list-style-position: inside;
  margin-bottom: 1.5rem;
}

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

/* ============================== 
   Utility Classes
   ============================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

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

.bg-dark {
  background-color: var(--color-charcoal);
  color: var(--color-white);
}

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

.divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-tertiary));
  margin: 1rem auto;
  border-radius: var(--border-radius-sm);
}

/* ============================== 
   Button Styles
   ============================== */
.btn, button, input[type='submit'] {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-medium);
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn:hover, button:hover, input[type='submit']:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn:active, button:active, input[type='submit']:active {
  transform: translateY(0);
}

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

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

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

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

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

.btn-tertiary:hover {
  background-color: var(--color-tertiary-dark);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

/* ============================== 
   Header & Navigation
   ============================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-index-fixed);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-medium), box-shadow var(--transition-medium);
}

.header.transparent {
  background-color: transparent;
  box-shadow: none;
}

.header.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

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

.nav-menu li {
  margin-left: 1.5rem;
}

.nav-menu a {
  color: var(--color-charcoal);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  padding: 0.5rem 0;
  position: relative;
}

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

.nav-menu a:hover {
  color: var(--color-primary);
}

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

.menu-toggle {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--color-charcoal);
  transition: all var(--transition-medium);
}

@media screen and (max-width: 992px) {
  .menu-toggle {
    display: block;
  }
  
  .menu-toggle.active .bar:nth-child(2) {
    opacity: 1;
  }
  
  .menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    gap: 0;
    flex-direction: column;
    background-color: var(--color-white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: 1rem 0;
  }
}

/* ============================== 
   Hero Section
   ============================== */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-white);
  padding: 12rem 0 8rem;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-white);
}

.hero .subtitle {
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  color: var(--color-white);
}

/* ============================== 
   About Section
   ============================== */
.about-content {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.about-image {
  flex: 1;
}

.about-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-text {
  flex: 1;
}

@media screen and (max-width: 992px) {
  .about-content {
    flex-direction: column;
    gap: 2rem;
  }
}

/* ============================== 
   Featured Articles Section
   ============================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

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

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  text-align: center;
}

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

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

.card-content {
  padding: 1.5rem;
  text-align: center;
}

.card-content h3 {
  margin-bottom: 1rem;
}

.card-content p {
  color: var(--color-dark-gray);
}

.card .btn {
  margin-top: 1rem;
}

/* ============================== 
   Products Section
   ============================== */
.products-grid {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.product-category {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.product-image {
  flex: 1;
  height: 300px;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

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

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

.product-content {
  flex: 1;
}

@media screen and (max-width: 992px) {
  .product-category {
    flex-direction: column;
    gap: 2rem;
  }
  
  .product-content {
    text-align: center;
  }
}

/* ============================== 
   Vision Section
   ============================== */
.vision-content {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.vision-image {
  flex: 1;
  height: 350px;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.vision-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vision-text {
  flex: 1;
}

@media screen and (max-width: 992px) {
  .vision-content {
    flex-direction: column;
    gap: 2rem;
  }
}

/* ============================== 
   Customer Stories Section
   ============================== */
.stories-slider {
  position: relative;
  padding: 1.5rem 0;
}

.story-card {
  background: linear-gradient(135deg, var(--glass-bg), rgba(255,255,255,0.05));
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--glass-shadow);
  padding: 2rem;
  margin: 0 1rem;
}

.story-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.story-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 1.5rem;
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-md);
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-card h3 {
  margin-bottom: 0.25rem;
}

.story-location {
  color: var(--color-dark-gray);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
}

.slider-dots {
  display: flex;
  gap: 0.75rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-medium-gray);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dot.active {
  background-color: var(--color-primary);
}

.prev-btn, .next-btn {
  background: transparent;
  border: none;
  color: var(--color-primary);
  font-size: 1.5rem;
  cursor: pointer;
  margin: 0 1rem;
  transition: color var(--transition-fast);
}

.prev-btn:hover, .next-btn:hover {
  color: var(--color-primary-dark);
  background: transparent;
  box-shadow: none;
  transform: none;
}

/* ============================== 
   Resources Section
   ============================== */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

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

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

.resource-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

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

.resource-content {
  padding: 1.5rem;
  text-align: center;
}

.resource-content h3 {
  margin-bottom: 0.5rem;
}

.resource-content p {
  color: var(--color-dark-gray);
}

/* ============================== 
   Insights Section
   ============================== */
.accordion {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: 1rem;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  background-color: var(--color-white);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--color-light-gray);
}

.accordion-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.accordion-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: bold;
}

.accordion-content {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-medium);
  background-color: var(--color-white);
}

.accordion-content p {
  margin: 0;
  padding: 1.25rem;
}

.accordion-item.active .accordion-content {
  padding: 1.25rem;
  max-height: 500px;
}

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

/* ============================== 
   Careers Section
   ============================== */
.careers-content {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.careers-image {
  flex: 1;
  height: 300px;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.careers-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.careers-text {
  flex: 1;
}

@media screen and (max-width: 992px) {
  .careers-content {
    flex-direction: column;
    gap: 2rem;
  }
}

/* ============================== 
   Media Section
   ============================== */
.media-slider {
  position: relative;
  padding: 1.5rem 0;
}

.media-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: 0 1rem;
}

.media-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.media-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-text {
  padding: 1.5rem;
  text-align: center;
}

.media-date {
  color: var(--color-dark-gray);
  margin-bottom: 1rem;
  font-style: italic;
}

/* ============================== 
   Contact Section
   ============================== */
.contact-content {
  display: flex;
  gap: 4rem;
}

.contact-info {
  flex: 1;
}

.info-item {
  margin-bottom: 1.5rem;
}

.info-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.map-container {
  margin-top: 2rem;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.contact-form {
  flex: 1;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--border-radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

@media screen and (max-width: 992px) {
  .contact-content {
    flex-direction: column;
    gap: 2rem;
  }
}

/* ============================== 
   Footer
   ============================== */
.footer {
  background-color: var(--color-charcoal);
  color: var(--color-light-gray);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-logo {
  margin-bottom: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-column h3 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

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

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

.footer-column a {
  color: var(--color-medium-gray);
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-white);
}

.social-links {
  display: flex;
  flex-direction: column;
}

.social-links a {
  display: inline-block;
  margin-right: 1rem;
  color: var(--color-medium-gray);
  transition: color var(--transition-fast);
}

.social-links a:hover {
  color: var(--color-primary);
}

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

.footer-bottom p {
  margin-bottom: 0.5rem;
}

/* ============================== 
   Special Pages Styles
   ============================== */
/* Success Page */
.success-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
  background-color: var(--color-off-white);
}

.success-icon {
  font-size: 4rem;
  color: var(--color-success);
  margin-bottom: 2rem;
}

.success-page h1 {
  margin-bottom: 1.5rem;
}

.success-page p {
  max-width: 600px;
  margin-bottom: 2rem;
}

/* Privacy & Terms Pages */
.privacy-page, .terms-page {
  padding-top: 100px;
  padding-bottom: 4rem;
}

.privacy-content, .terms-content {
  max-width: 800px;
  margin: 0 auto;
}

.privacy-content h2, .terms-content h2 {
  margin-top: 2.5rem;
}

.privacy-content p, .terms-content p {
  margin-bottom: 1.5rem;
}

/* ============================== 
   Animations
   ============================== */
@keyframes fadeIn {
  from {
    opacity: 1;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 1;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 1;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 1;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* ============================== 
   Media Queries
   ============================== */
@media screen and (max-width: 1200px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
  
  .hero .subtitle {
    font-size: 1.25rem;
  }
}

@media screen and (max-width: 768px) {
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .hero {
    padding: 10rem 0 6rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero .subtitle {
    font-size: 1.125rem;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}