:root {
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Light mode colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-muted: #94a3b8;
  
  --accent-primary: #0891b2;
  --accent-primary-hover: #0e7490;
  --accent-primary-light: #ecfeff;
  --accent-secondary: #14b8a6;
  --accent-gradient-start: #0891b2;
  --accent-gradient-end: #14b8a6;
  
  --border-color: #e2e8f0;
  --border-color-light: #f1f5f9;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
}

.dark {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-primary: #22d3ee;
  --accent-primary-hover: #06b6d4;
  --accent-primary-light: rgba(34, 211, 238, 0.1);
  --accent-secondary: #2dd4bf;
  --accent-gradient-start: #22d3ee;
  --accent-gradient-end: #2dd4bf;
  
  --border-color: #334155;
  --border-color-light: #1e293b;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

/* ==================== HEADER & NAVIGATION ==================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.nav-logo svg {
  width: 2rem;
  height: 2rem;
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.nav-links a.active {
  color: var(--accent-primary);
  background-color: var(--accent-primary-light);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--text-tertiary);
}

.theme-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
.dark .theme-toggle .icon-sun { display: block; }
.dark .theme-toggle .icon-moon { display: none; }

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.5rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hamburger:hover {
  background-color: var(--bg-secondary);
  border-color: var(--text-tertiary);
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: 4.5rem;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-primary);
  padding: 1.5rem;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.mobile-nav-links a {
  display: block;
  padding: 1rem;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  color: var(--accent-primary);
  background-color: var(--accent-primary-light);
}

.mobile-nav-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .nav-actions .btn {
    display: none;
  }
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  color: white;
  box-shadow: 0 2px 8px rgba(8, 145, 178, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(8, 145, 178, 0.4);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-tertiary);
}

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

.btn-ghost:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ==================== HERO SECTION ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(10, 10, 20, 0.92) 0%, rgba(15, 15, 30, 0.85) 50%, rgba(30, 20, 50, 0.75) 100%);
  z-index: 1;
}

.dark .hero::before {
  background: linear-gradient(135deg, rgba(5, 5, 15, 0.95) 0%, rgba(10, 10, 25, 0.9) 50%, rgba(25, 15, 45, 0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 48rem;
  padding: 6rem 0;
}

.hero-tagline {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #a78bfa;
  margin-bottom: 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: rgba(34, 211, 238, 0.2);
  color: #22d3ee;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.hero-title {
  margin-bottom: 1.5rem;
  color: #ffffff;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, #a78bfa, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2.5rem;
  max-width: 36rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-stat-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: #ffffff;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 640px) {
  .hero-stats {
    gap: 2rem;
  }
  
  .hero-stat-number {
    font-size: 1.5rem;
  }
}

/* ==================== SERVICES SECTION ==================== */
.section {
  padding: 5rem 0;
}

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

.section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  color: white;
}

.service-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.service-card h4 {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Service Cards V2 - With Images */
.services-grid-v2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .services-grid-v2 {
    grid-template-columns: 1fr;
  }
}

.service-card-v2 {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.service-card-v2:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-primary);
}

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

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

.service-card-v2:hover .service-card-image img {
  transform: scale(1.05);
}

.service-card-body {
  padding: 1.5rem;
}

.service-card-body h4 {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.service-card-body p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.service-link:hover {
  color: var(--accent-primary-hover);
}

/* ==================== FEATURED SECTION ==================== */
.featured-section {
  padding: 5rem 0;
  background-color: var(--bg-secondary);
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 968px) {
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.featured-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

.featured-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.featured-content h2 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.featured-content > p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.featured-list {
  list-style: none;
  margin-bottom: 2rem;
}

.featured-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.featured-list li svg {
  flex-shrink: 0;
  margin-top: 0.125rem;
  color: var(--accent-secondary);
}

/* ==================== STATS SECTION ==================== */
.stats-section {
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  color: white;
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
}

.stat-item p {
  font-size: 1rem;
  opacity: 0.9;
}

/* ==================== CTA SECTION ==================== */
.cta-section {
  background-color: var(--bg-secondary);
  padding: 5rem 0;
}

.cta-content {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto;
}

.cta-content h2 {
  margin-bottom: 1rem;
}

.cta-content p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

/* ==================== ABOUT PAGE ==================== */
.page-header {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--accent-primary-light) 100%);
  padding: 4rem 0;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 1rem;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.25rem;
  max-width: 36rem;
  margin: 0 auto;
}

.mission-vision {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .mission-vision {
    grid-template-columns: 1fr;
  }
}

.mv-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition-normal);
}

.mv-card:hover {
  box-shadow: var(--shadow-lg);
}

.mv-card .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  color: white;
}

.mv-card .icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

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

.mv-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Mission Vision Image Cards */
.mission-vision-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .mission-vision-cards {
    grid-template-columns: 1fr;
  }
}

.mv-image-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

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

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

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

.mv-content {
  padding: 1.5rem;
}

.mv-content h3 {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.mv-content p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Story Grid */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 768px) {
  .story-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.story-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.story-image img {
  width: 100%;
  height: auto;
  display: block;
}

.story-content h2 {
  margin-bottom: 1.5rem;
}

.story-content p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Lab Showcase */
.lab-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 768px) {
  .lab-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .lab-showcase .lab-image {
    order: -1;
  }
}

.lab-content h2 {
  margin-bottom: 1rem;
}

.lab-content p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.lab-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lab-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--text-secondary);
}

.lab-features li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border-radius: 50%;
  flex-shrink: 0;
}

.lab-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.lab-image img {
  width: 100%;
  height: auto;
  display: block;
}

.story-section {
  max-width: 48rem;
  margin: 0 auto;
}

.story-section h2 {
  margin-bottom: 1.5rem;
}

.story-section p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 48rem;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-gradient-start), var(--accent-gradient-end));
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 0;
  width: 1rem;
  height: 1rem;
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--bg-primary);
}

.timeline-year {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--accent-primary-light);
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}

.timeline-item h4 {
  margin-bottom: 0.5rem;
}

.timeline-item p {
  color: var(--text-secondary);
}

/* ==================== BLOG PAGE ==================== */
.blog-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: transparent;
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
  color: white;
  border-color: transparent;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.blog-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--accent-primary-light) 0%, var(--bg-tertiary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  overflow: hidden;
}

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

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

.blog-card-image svg {
  width: 3rem;
  height: 3rem;
  opacity: 0.5;
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.blog-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
  background-color: var(--accent-primary-light);
  border-radius: var(--radius-sm);
}

.blog-read-time {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.blog-card h4 {
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.blog-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.blog-card.hidden {
  display: none;
}

/* ==================== AUTH PAGES ==================== */
.auth-page {
  min-height: calc(100vh - 4.5rem);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--accent-primary-light) 100%);
}

.auth-card {
  width: 100%;
  max-width: 28rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.auth-header .logo svg {
  width: 2rem;
  height: 2rem;
  color: var(--accent-primary);
}

.auth-header h2 {
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-secondary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input {
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.form-checkbox input {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--accent-primary);
}

.form-link {
  font-size: 0.9375rem;
  color: var(--accent-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.form-link:hover {
  color: var(--accent-primary-hover);
}

.auth-form .btn {
  margin-top: 0.5rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--accent-primary);
  font-weight: 500;
}

.auth-footer a:hover {
  color: var(--accent-primary-hover);
}

/* ==================== FOOTER ==================== */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-brand .logo svg {
  width: 2rem;
  height: 2rem;
  color: var(--accent-primary);
}

.footer-brand p {
  color: var(--text-secondary);
  max-width: 20rem;
  line-height: 1.6;
}

.footer-column h5 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-column a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

/* ==================== PRIVACY PAGE ==================== */
.page-hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-hover) 100%);
  text-align: center;
}

.page-hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.page-hero-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
}

.privacy-content {
  padding: 4rem 0;
}

.privacy-container {
  max-width: 800px;
  margin: 0 auto;
}

.last-updated {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.privacy-section {
  margin-bottom: 2.5rem;
}

.privacy-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.privacy-section p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.privacy-section ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 1rem;
}

.privacy-section li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.privacy-section li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
}

.privacy-section li strong {
  color: var(--text-primary);
}

.contact-info {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.contact-info p {
  margin-bottom: 0.5rem;
}

.contact-info p:last-child {
  margin-bottom: 0;
}

/* ==================== COOKIE CONSENT POPUP ==================== */
.cookie-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  z-index: 9999;
  display: flex;
  justify-content: center;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.cookie-popup-content {
  max-width: 900px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .cookie-popup-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-popup-text {
  flex: 1;
}

.cookie-popup-text h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.cookie-popup-text p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.cookie-link {
  font-size: 0.875rem;
  color: var(--accent-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.cookie-link:hover {
  color: var(--accent-primary-hover);
}

.cookie-popup-buttons {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-popup-buttons .btn {
  min-width: 130px;
}

@media (max-width: 480px) {
  .cookie-popup-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .cookie-popup-buttons .btn {
    width: 100%;
  }
}

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