/* ============================================
   CSS Variables & Base Styles
   ============================================ */

:root {
  /* Colors */
  --color-bg-primary: #0F0F14;
  --color-bg-secondary: #1a1a24;
  --color-primary: #7C5CFF;
  --color-secondary: #FF5E57;
  --color-text-primary: #ffffff;
  --color-text-secondary: #B3B3C6;
  --color-accent: #7C5CFF;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Inter Tight', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(124, 92, 255, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
}

/* ============================================
   Reset & Base
   ============================================ */

* {
  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;
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* ============================================
   Typography
   ============================================ */

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

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 2rem);
}

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

/* ============================================
   Header
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 20, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(124, 92, 255, 0.1);
  transition: transform var(--transition-base);
}

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

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

.brand-text {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  display: inline-block;
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  position: relative;
  padding: var(--space-sm) var(--space-md);
  transition: color var(--transition-fast);
  display: inline-block;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.nav-link:hover,
.nav-link:active,
.nav-link:focus,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width var(--transition-base);
}

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

.burger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  height: 30px;
  justify-content: center;
  align-items: center;
  z-index: 1001;
}

.burger-line {
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  transition: none;
}

/* ============================================
   Mobile Menu
   ============================================ */

.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 999;
  padding: var(--space-xl);
  overflow-y: auto;
  width: 100%;
  height: calc(100vh - var(--header-height));
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li {
  width: 100%;
  display: block;
}

.mobile-nav-link {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(124, 92, 255, 0.1);
  transition: color var(--transition-fast);
  display: block;
  width: 100%;
  cursor: pointer;
  position: relative;
  z-index: 1;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-link:hover,
.mobile-nav-link:active,
.mobile-nav-link:focus {
  color: var(--color-primary);
}

/* ============================================
   Main Content
   ============================================ */

main {
  margin-top: var(--header-height);
}

.section {
  padding: var(--space-xxl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.section-title h2 {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-xxl) var(--space-lg);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.3;
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(124, 92, 255, 0.2), transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(255, 94, 87, 0.2), transparent 50%),
              linear-gradient(180deg, rgba(15, 15, 20, 0.7) 0%, rgba(15, 15, 20, 0.9) 100%);
  z-index: 1;
}

.hero-content {
  text-align: center;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: inline-flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  z-index: 1;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover,
.btn-primary:active,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(124, 92, 255, 0.5);
}

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

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

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: rgba(179, 179, 198, 0.3);
}

.btn-ghost:hover,
.btn-ghost:active,
.btn-ghost:focus {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================
   Cards
   ============================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid rgba(124, 92, 255, 0.1);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card:hover,
.card:active,
.card:focus {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.card:hover::before,
.card:active::before,
.card:focus::before {
  transform: scaleX(1);
}

.card-icon {
  width: 60px;
  height: 60px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

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

/* ============================================
   Portfolio Grid
   ============================================ */

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

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 1px solid rgba(124, 92, 255, 0.1);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-block;
  position: relative;
  z-index: 1;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

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

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

.portfolio-item {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: var(--color-bg-secondary);
  opacity: 1;
  transform: scale(1);
  transition: opacity var(--transition-base), transform var(--transition-base);
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

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

.portfolio-item:hover img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

/* ============================================
   Modal
   ============================================ */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  animation: fadeIn var(--transition-base);
}

.modal.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 500px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp var(--transition-base);
}

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

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-secondary);
  transform: rotate(90deg);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.metric-item {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.metric-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ============================================
   Process Timeline
   ============================================ */

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

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: var(--space-xxl);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-content {
  flex: 1;
  padding: var(--space-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(124, 92, 255, 0.1);
  margin: 0 var(--space-lg);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: calc(50% + var(--space-lg));
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: calc(50% + var(--space-lg));
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: var(--space-lg);
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 4px solid var(--color-bg-primary);
  box-shadow: var(--shadow-glow);
}

.timeline-icon {
  width: 50px;
  height: 50px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  font-size: 1.5rem;
}

/* ============================================
   Forms
   ============================================ */

.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: var(--color-bg-secondary);
  border: 1px solid rgba(124, 92, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.1);
}

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

.form-error {
  color: var(--color-secondary);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.form-group.error .form-input,
.form-group.error .form-textarea {
  border-color: var(--color-secondary);
}

.checkbox-group.error .form-error {
  display: block;
  margin-top: var(--space-xs);
}

.checkbox-group.error {
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

/* ============================================
   FAQ
   ============================================ */

.faq-item {
  transition: all var(--transition-base);
}

.faq-item summary {
  list-style: none;
  position: relative;
  padding-right: var(--space-xl);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-item:hover {
  background: rgba(124, 92, 255, 0.05);
}

.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 {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ============================================
   Contact Section
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-xl);
}

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

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(124, 92, 255, 0.1);
  padding: var(--space-xl) var(--space-lg);

}

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

.footer-section h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-link:hover,
.footer-link:active,
.footer-link:focus {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(124, 92, 255, 0.1);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ============================================
   Privacy Popup
   ============================================ */

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(124, 92, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1500;
  animation: slideInUp var(--transition-base);
}

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

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

.privacy-popup-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* ============================================
   Sticky CTA
   ============================================ */

.sticky-cta {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(124, 92, 255, 0.5);
  }
  50% {
    box-shadow: 0 0 40px rgba(124, 92, 255, 0.8);
  }
}

/* ============================================
   Image Gallery
   ============================================ */

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

.gallery-item {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

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

.gallery-item:hover img,
.gallery-item:active img,
.gallery-item:focus img {
  transform: scale(1.1);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1023px) {
  :root {
    --header-height: 70px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .burger-btn {
    display: flex;
  }
  
  .hero-section {
    min-height: auto;
    padding: var(--space-xl) var(--space-md);
  }
  
  .section {
    padding: var(--space-xl) var(--space-md);
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    flex-direction: row !important;
  }
  
  .timeline-content {
    margin-left: calc(40px + var(--space-lg)) !important;
    margin-right: 0 !important;
  }
  
  .timeline-dot {
    left: 20px;
  }
  
  .metric-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
  
  .sticky-cta {
    left: var(--space-md);
    right: var(--space-md);
    transform: none;
    width: auto;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }
  
  .image-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .section {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .card {
    padding: var(--space-md);
  }
}

/* ============================================
   Utility Classes
   ============================================ */

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

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.hidden {
  display: none !important;
}