/* Root Variables */
:root {
  --color-primary: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-secondary: #10b981;
  --color-white: #ffffff;
  --color-light: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  --color-black: #000000;
  
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, #059669 100%);
  --gradient-hero: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-secondary) 100%);
  
  --font-family: 'Montserrat', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  
  --border-radius-sm: 0.375rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  --border-radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --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);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
  
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.section {
  padding: var(--spacing-20) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -var(--spacing-2);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-secondary);
  border-radius: var(--border-radius-full);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

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

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-4) 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-secondary);
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-8);
}

.nav-link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  text-decoration: none;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-secondary);
  border-radius: var(--border-radius-full);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active-link::after {
  width: 80%;
}

.nav-toggle,
.nav-close {
  display: none;
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: var(--spacing-24) 0 var(--spacing-20);
  background: var(--gradient-hero);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;charset=UTF-8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"%3E%3Cdefs%3E%3Cpattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"%3E%3Ccircle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/%3E%3C/pattern%3E%3C/defs%3E%3Crect width="100%25" height="100%25" fill="url(%23grain)"/%3E%3C/svg%3E') repeat;
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-6);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-light);
  margin-bottom: var(--spacing-8);
  opacity: 0.9;
}

.hero-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.hero-button:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-workspace {
  position: relative;
  width: 300px;
  height: 300px;
}

.workspace-item {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-base);
}

.workspace-item svg {
  color: var(--color-white);
}

.workspace-item.laptop {
  width: 120px;
  height: 120px;
  top: 0;
  left: 0;
  animation: float 3s ease-in-out infinite;
}

.workspace-item.laptop svg {
  width: 60px;
  height: 60px;
}

.workspace-item.code {
  width: 100px;
  height: 100px;
  top: 50px;
  right: 0;
  animation: float 3s ease-in-out infinite 1s;
}

.workspace-item.code svg {
  width: 50px;
  height: 50px;
}

.workspace-item.design {
  width: 90px;
  height: 90px;
  bottom: 0;
  left: 80px;
  animation: float 3s ease-in-out infinite 2s;
}

.workspace-item.design svg {
  width: 45px;
  height: 45px;
}

.hero-scroll {
  position: absolute;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-down {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-full);
  color: var(--color-white);
  text-decoration: none;
  transition: all var(--transition-base);
}

.scroll-down:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.scroll-down svg {
  width: 20px;
  height: 20px;
}

/* About Section */
.about {
  background: var(--color-light);
}

.about-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.about-description {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-8);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-6);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

.stat-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  font-weight: var(--font-weight-medium);
}

.about-card {
  background: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-2xl);
}

.card-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80px;
  height: 80px;
  background: var(--gradient-secondary);
  border-radius: var(--border-radius-full);
  margin: 0 auto var(--spacing-6);
}

.card-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-white);
}

.about-card h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.about-card p {
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
}

.service-card {
  background: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-100);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  margin-bottom: var(--spacing-6);
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--gradient-secondary);
  transform: scale(1.1);
}

.service-icon svg {
  width: 35px;
  height: 35px;
  color: var(--color-white);
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.service-description {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-6);
}

.service-features {
  list-style: none;
}

.service-features li {
  position: relative;
  padding: var(--spacing-2) 0 var(--spacing-2) var(--spacing-6);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-secondary);
  border-radius: var(--border-radius-full);
  mask: url('data:image/svg+xml;charset=UTF-8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3"%3E%3Cpolyline points="20,6 9,17 4,12"/%3E%3C/svg%3E') center/contain no-repeat;
}

/* Testimonials Section */
.testimonials {
  background: var(--color-light);
}

.testimonials-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonials-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-2xl);
}

.testimonial-card {
  display: none;
  background: var(--color-white);
  padding: var(--spacing-10);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: fadeIn var(--transition-slow);
}

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

.stars {
  display: flex;
  justify-content: center;
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-6);
}

.star {
  width: 20px;
  height: 20px;
  color: #fbbf24;
}

.testimonial-text {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--color-gray-700);
  font-style: italic;
  margin-bottom: var(--spacing-8);
  position: relative;
}

.testimonial-text::before,
.testimonial-text::after {
  content: '"';
  font-size: var(--font-size-4xl);
  color: var(--color-secondary);
  font-family: serif;
  position: absolute;
  top: -10px;
}

.testimonial-text::before {
  left: -20px;
}

.testimonial-text::after {
  right: -20px;
}

.testimonial-author h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-1);
}

.testimonial-author p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

.testimonial-navigation {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3);
  margin-top: var(--spacing-8);
}

.nav-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--border-radius-full);
  background: var(--color-gray-300);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.nav-dot.active,
.nav-dot:hover {
  background: var(--color-secondary);
  transform: scale(1.2);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.contact-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 50px;
  background: var(--gradient-secondary);
  border-radius: var(--border-radius-full);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.contact-details h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

.contact-details p {
  color: var(--color-gray-600);
  font-size: var(--font-size-base);
}

.contact-form {
  background: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-6);
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-4);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  background: var(--color-white);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.error-message {
  color: #ef4444;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-2);
  display: block;
  min-height: 20px;
}

.submit-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  width: 100%;
  padding: var(--spacing-4);
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.submit-button:hover {
  background: var(--gradient-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.submit-button:active {
  transform: translateY(0);
}

.button-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
}

.submit-button:hover .button-icon {
  transform: translateX(5px);
}

.success-message {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: var(--z-modal);
  justify-content: center;
  align-items: center;
  animation: fadeIn var(--transition-base);
}

.success-message.show {
  display: flex;
}

.success-content {
  background: var(--color-white);
  padding: var(--spacing-10);
  border-radius: var(--border-radius-2xl);
  text-align: center;
  max-width: 400px;
  box-shadow: var(--shadow-2xl);
  animation: slideInUp var(--transition-base);
}

.success-icon {
  width: 60px;
  height: 60px;
  color: var(--color-secondary);
  margin: 0 auto var(--spacing-6);
}

.success-content h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.success-content p {
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* Footer */
.footer {
  background: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--spacing-16) 0 var(--spacing-6);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-12);
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-6);
}

.footer-description {
  color: var(--color-gray-300);
  line-height: 1.7;
}

.footer-column h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-6);
}

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

.footer-column ul li {
  margin-bottom: var(--spacing-3);
}

.footer-column ul li a {
  color: var(--color-gray-300);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

.footer-column ul li a:hover {
  color: var(--color-secondary);
}

.footer-social h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-6);
}

.social-links {
  display: flex;
  gap: var(--spacing-4);
}

.social-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: var(--color-gray-800);
  border-radius: var(--border-radius-lg);
  color: var(--color-white);
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-secondary);
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-gray-700);
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-4);
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
  }
  
  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    justify-content: center;
    transition: left var(--transition-base);
    z-index: var(--z-fixed);
  }
  
  .nav-menu.show-menu {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    gap: var(--spacing-6);
    text-align: center;
  }
  
  .nav-link {
    font-size: var(--font-size-lg);
  }
  
  .nav-toggle,
  .nav-close {
    display: block;
  }
  
  .nav-close {
    position: absolute;
    top: var(--spacing-6);
    right: var(--spacing-6);
  }
  
  .section {
    padding: var(--spacing-16) 0;
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero {
    padding: var(--spacing-20) 0 var(--spacing-16);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-workspace {
    width: 250px;
    height: 250px;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonial-text::before,
  .testimonial-text::after {
    display: none;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-3);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .hero-button {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .service-card,
  .about-card,
  .contact-form {
    padding: var(--spacing-6);
  }
  
  .testimonial-card {
    padding: var(--spacing-6);
  }
  
  .success-content {
    margin: var(--spacing-4);
    padding: var(--spacing-8);
  }
}