:root {
  --color-bg-primary: #0B0F1A;
  --color-bg-secondary: #0E1B2E;
  --color-accent-cyan: #2AF6FF;
  --color-accent-violet: #7A6CFF;
  --color-accent-green: #38FFB3;
  --color-text-primary: #E6EBF2;
  --color-text-secondary: #9AA4B2;
  --font-primary: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --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;
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
  --glow-cyan: 0 0 20px rgba(42, 246, 255, 0.3);
  --glow-violet: 0 0 20px rgba(122, 108, 255, 0.3);
  --glow-green: 0 0 20px rgba(56, 255, 179, 0.3);
}

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

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

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

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

.header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 15, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(122, 108, 255, 0.2);
  transition: transform var(--transition-fast);
}

.header-wrapper.hidden {
  transform: translateY(-100%);
}

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

.brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -0.5px;
}

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

.nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-cyan);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-accent-cyan);
}

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

.burger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.burger-line {
  width: 25px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.burger-btn.active .burger-line:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.burger-btn.active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn.active .burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 47px;
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(122, 108, 255, 0.2);
  padding: var(--space-lg);
  transform: translateY(-100%);
  opacity: 0;
  transition: all var(--transition-medium);
  z-index: 999;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 1.1rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(154, 164, 178, 0.1);
  transition: color var(--transition-fast);
}

.mobile-menu-link:hover {
  color: var(--color-accent-cyan);
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  padding-top: 80px;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(122, 108, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(42, 246, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(56, 255, 179, 0.05) 0%, transparent 50%);
  animation: background-shift 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes background-shift {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.3;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, transparent 0%, var(--color-bg-primary) 100%);
}

.knowledge-map-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  height: 500px;
  margin: 0 auto;
  z-index: 10;
}

.node-network {
  position: relative;
  width: 100%;
  height: 100%;
}

.node {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--color-accent-cyan);
  border-radius: 50%;
  box-shadow: var(--glow-cyan);
  cursor: pointer;
  transition: all var(--transition-fast);
  animation: node-pulse 3s ease-in-out infinite;
}

.node:nth-child(odd) {
  background: var(--color-accent-violet);
  box-shadow: var(--glow-violet);
  animation-delay: 0.5s;
}

.node:nth-child(3n) {
  background: var(--color-accent-green);
  box-shadow: var(--glow-green);
  animation-delay: 1s;
}

@keyframes node-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

.node:hover {
  transform: scale(1.8);
  box-shadow: 0 0 40px rgba(42, 246, 255, 0.8);
  animation: none;
  z-index: 100;
}

.node-connection {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-cyan), transparent);
  opacity: 0.4;
  animation: pulse-line 2s infinite;
}

@keyframes pulse-line {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.6; }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-violet));
  color: var(--color-bg-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: var(--glow-cyan);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(42, 246, 255, 0.5);
  background: linear-gradient(135deg, var(--color-accent-violet), var(--color-accent-cyan));
}

.btn-primary:active {
  transform: translateY(0);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.content-card {
  background: rgba(14, 27, 46, 0.6);
  border: 1px solid rgba(122, 108, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-medium);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.content-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(42, 246, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.content-card:hover::before {
  left: 100%;
}

.content-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
  background: rgba(14, 27, 46, 0.8);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-accent-cyan);
}

.card-text {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--color-text-primary), var(--color-accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  margin-bottom: var(--space-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.media-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 16/9;
  border: 1px solid rgba(122, 108, 255, 0.2);
  transition: all var(--transition-medium);
  background: rgba(11, 15, 26, 0.5);
  opacity: 0;
  transform: translateY(20px);
  animation: media-fade-in 0.8s ease forwards;
}

.media-item:nth-child(1) { animation-delay: 0.1s; }
.media-item:nth-child(2) { animation-delay: 0.2s; }
.media-item:nth-child(3) { animation-delay: 0.3s; }
.media-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes media-fade-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.media-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(42, 246, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-medium);
  z-index: 1;
}

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

.media-item:hover {
  border-color: var(--color-accent-green);
  box-shadow: var(--glow-green);
  transform: translateY(-5px);
}

.media-item:hover::before {
  opacity: 1;
}

.media-item:hover img {
  transform: scale(1.15);
}

.taxonomy-tree {
  position: relative;
  padding: var(--space-xl);
  background: rgba(14, 27, 46, 0.4);
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
  border: 1px solid rgba(122, 108, 255, 0.2);
  transition: all var(--transition-medium);
}

.taxonomy-tree:hover {
  border-color: rgba(122, 108, 255, 0.4);
  box-shadow: var(--glow-violet);
}

.tree-node {
  padding: var(--space-md);
  margin: var(--space-sm);
  background: rgba(42, 246, 255, 0.1);
  border: 1px solid rgba(42, 246, 255, 0.3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.tree-node::after {
  content: '';
  position: absolute;
  top: 50%;
  right: var(--space-md);
  width: 0;
  height: 0;
  border-left: 6px solid var(--color-accent-cyan);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transform: translateY(-50%) rotate(0deg);
  transition: transform var(--transition-fast);
  opacity: 0.6;
}

.tree-node[data-expanded="true"]::after {
  transform: translateY(-50%) rotate(90deg);
}

.tree-node:hover {
  background: rgba(42, 246, 255, 0.2);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
  transform: translateX(5px);
  padding-left: calc(var(--space-md) + 5px);
}

.tree-children {
  margin-top: var(--space-md);
  padding-left: var(--space-lg);
  border-left: 2px solid rgba(42, 246, 255, 0.3);
  display: none;
}

.tree-node-child {
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-xs) 0;
  background: rgba(42, 246, 255, 0.05);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

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

.timeline-step {
  position: relative;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding-left: var(--space-xxl);
  border-left: 2px solid var(--color-accent-violet);
  transition: all var(--transition-medium);
  opacity: 0;
  transform: translateX(-20px);
  animation: timeline-fade-in 0.6s ease forwards;
}

.timeline-step:nth-child(1) { animation-delay: 0.1s; }
.timeline-step:nth-child(2) { animation-delay: 0.3s; }
.timeline-step:nth-child(3) { animation-delay: 0.5s; }
.timeline-step:nth-child(4) { animation-delay: 0.7s; }

@keyframes timeline-fade-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: -8px;
  top: var(--space-lg);
  width: 14px;
  height: 14px;
  background: var(--color-accent-violet);
  border-radius: 50%;
  box-shadow: var(--glow-violet);
  transition: all var(--transition-fast);
}

.timeline-step:hover {
  border-left-color: var(--color-accent-cyan);
  padding-left: calc(var(--space-xxl) + 10px);
}

.timeline-step:hover::before {
  background: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
  transform: scale(1.3);
}

.use-case-card {
  background: rgba(14, 27, 46, 0.6);
  border: 1px solid rgba(56, 255, 179, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-md) 0;
  transition: all var(--transition-medium);
  display: block;
  opacity: 1;
  transform: translateX(0);
  position: relative;
  overflow: hidden;
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent-green);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-medium);
}

.use-case-card:hover::before {
  transform: scaleY(1);
}

.use-case-card:hover {
  border-color: var(--color-accent-green);
  box-shadow: var(--glow-green);
  transform: translateX(10px);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  background: rgba(122, 108, 255, 0.2);
  border: 1px solid rgba(122, 108, 255, 0.3);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
  font-size: 0.95rem;
}

.filter-btn.active,
.filter-btn:hover {
  background: rgba(122, 108, 255, 0.4);
  border-color: var(--color-accent-violet);
  box-shadow: var(--glow-violet);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(14, 27, 46, 0.6);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(122, 108, 255, 0.2);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(11, 15, 26, 0.6);
  border: 1px solid rgba(122, 108, 255, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
}

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

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

.checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
}

.checkbox-label {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.error-message,
.form-error {
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: var(--space-xs);
  display: none;
  font-family: var(--font-primary);
}

.error-message.show,
.form-error.show {
  display: block;
}

.form-group {
  position: relative;
}

.form-input.error,
.form-textarea.error,
.checkbox-input.error {
  border-color: #ff6b6b !important;
  box-shadow: 0 0 10px rgba(255, 107, 107, 0.3) !important;
}

.map-container {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(122, 108, 255, 0.2);
}

.map-iframe {
  width: 100%;
  height: 450px;
  border: none;
  display: block;
}

.footer-wrapper {
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(122, 108, 255, 0.2);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xxl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  list-style: none;
  margin-bottom: var(--space-lg);
}

.footer-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent-cyan);
}

.footer-copyright {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(154, 164, 178, 0.1);
}

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(122, 108, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  z-index: 10000;
  animation: slideUp var(--transition-medium);
}

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

.privacy-popup.show {
  display: block;
}

.privacy-popup-text {
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  line-height: 1.6;
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-md);
}

.btn-accept {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-accent-green);
  color: var(--color-bg-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.btn-accept:hover {
  box-shadow: var(--glow-green);
}

.btn-decline {
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid rgba(154, 164, 178, 0.3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.btn-decline:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.insight-overlay {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  background: rgba(14, 27, 46, 0.95);
  border: 1px solid rgba(42, 246, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  backdrop-filter: blur(10px);
  z-index: 100;
  opacity: 0;
  transform: translateX(100px);
  transition: all var(--transition-medium);
}

.insight-overlay.visible {
  opacity: 1;
  transform: translateX(0);
}

.insight-stat {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-xs);
}

.page-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  padding-top: 80px;
  text-align: center;
}

.thankyou-content {
  max-width: 600px;
  margin: var(--space-xxl) auto;
  text-align: center;
  padding: var(--space-xl);
}

.not-found-content {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.not-found-title {
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 800;
  color: var(--color-accent-violet);
  margin-bottom: var(--space-md);
}

.policy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.policy-section {
  margin-bottom: var(--space-xl);
}

.policy-heading {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-md);
}

.policy-text {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .burger-btn {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .image-grid {
    grid-template-columns: 1fr;
  }

  .filter-buttons {
    flex-direction: column;
  }

  .filter-btn {
    width: 100%;
  }

  .privacy-popup {
    left: var(--space-md);
    right: var(--space-md);
  }

  .contact-form {
    padding: var(--space-lg);
  }
}

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

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

  .brand-text {
    font-size: 1.2rem;
  }

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

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