/* ===================================
   DRAIWING - Modern Website Styles
   =================================== */

/* CSS Variables for Theming */
:root {
  /* Colors - Light Mode (Default) */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-accent: #a100af;
  --color-border: #e2e8f0;
  --color-card-bg: #ffffff;
  --color-card-shadow: rgba(0, 0, 0, 0.1);
  --color-success: #10b981;
  --color-error: #ef4444;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #64748b;
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-primary-light: #2563eb;
  --color-accent: #c026d3;
  --color-border: #334155;
  --color-card-bg: #1e293b;
  --color-card-shadow: rgba(0, 0, 0, 0.3);
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background Canvas */
#background-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-base);
}

.navbar.scrolled {
  background-color: var(--color-bg-primary);
  box-shadow: 0 4px 6px -1px var(--color-card-shadow);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: var(--font-size-xl);
}

.nav-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav-brand {
  font-weight: 700;
}

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

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

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  position: relative;
}

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

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

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

/* Theme & Language Toggle Buttons */
.theme-toggle,
.lang-toggle {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
}

.theme-toggle:hover,
.lang-toggle:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.lang-toggle {
  width: auto;
  padding: 0 var(--spacing-md);
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  position: relative;
  transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-fast);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  position: relative;
  margin-top: 0;
}

.hero-content {
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

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

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

.hero-scroll a {
  color: var(--color-text-muted);
  font-size: var(--font-size-2xl);
  transition: color var(--transition-fast);
}

.hero-scroll a:hover {
  color: var(--color-primary);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: var(--spacing-sm);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--color-card-shadow);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ===================================
   Sections
   =================================== */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

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

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

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-text p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

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

.stat-card {
  background-color: var(--color-card-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: 0 4px 6px -1px var(--color-card-shadow);
  transition: transform var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===================================
   Services Section
   =================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  background-color: var(--color-card-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 6px -1px var(--color-card-shadow);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px var(--color-card-shadow);
  border-color: var(--color-primary);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.service-icon i {
  font-size: var(--font-size-2xl);
  color: white;
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

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

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

.service-list li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  position: relative;
  padding-left: var(--spacing-lg);
}

.service-list li::before {
  content: "•";
  color: var(--color-primary);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* ===================================
   Expertise Section
   =================================== */
.expertise {
  background-color: var(--color-bg-primary);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.expertise-card {
  background-color: var(--color-card-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 6px -1px var(--color-card-shadow);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.expertise-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px var(--color-card-shadow);
  border-color: var(--color-primary);
}

.expertise-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.expertise-icon i {
  font-size: var(--font-size-2xl);
  color: white;
}

.expertise-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

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

.expertise-list li {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-lg);
  position: relative;
  line-height: 1.6;
}

.expertise-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* ===================================
   Portfolio Section
   =================================== */
.portfolio {
  background-color: var(--color-bg-secondary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.portfolio-card {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 6px -1px var(--color-card-shadow);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px var(--color-card-shadow);
}

.portfolio-image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-image i {
  font-size: 4rem;
  color: white;
}

.portfolio-content {
  padding: var(--spacing-xl);
}

.portfolio-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.portfolio-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.portfolio-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.portfolio-tags span {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-top: var(--spacing-md);
  transition: all var(--transition-fast);
}

.portfolio-link:hover {
  color: var(--color-primary-hover);
  gap: var(--spacing-sm);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background-color: var(--color-card-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 6px -1px var(--color-card-shadow);
  border: 1px solid var(--color-border);
}

.testimonial-rating {
  color: #fbbf24;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.testimonial-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: white;
  font-size: var(--font-size-xl);
}

.testimonial-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.testimonial-text strong {
  display: block;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  font-style: normal;
  margin-bottom: var(--spacing-sm);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-info strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
  background-color: var(--color-bg-secondary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.faq-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  transition: background-color var(--transition-fast);
}

.faq-toggle:hover {
  background-color: var(--color-bg-tertiary);
}

.faq-toggle i {
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

.faq-toggle[aria-expanded="true"] i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ===================================
   Contact Section
   =================================== */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

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

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

.contact-item i {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
}

.contact-item h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.contact-item p,
.contact-item a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--color-primary);
}

.contact-process {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.contact-process h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.contact-process ol {
  padding-left: var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.contact-process li {
  margin-bottom: var(--spacing-xs);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-links a {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-4px);
}

/* Contact Form */
.contact-form {
  background-color: var(--color-card-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 6px -1px var(--color-card-shadow);
  border: 1px solid var(--color-border);
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand img {
  width: 60px;
  height: 60px;
  margin-bottom: var(--spacing-md);
}

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

.footer-links h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

/* ===================================
   Language Toggle Logic
   =================================== */
[data-lang="en"] {
  display: none;
}

html[lang="en"] [data-lang="de"] {
  display: none;
}

html[lang="en"] [data-lang="en"] {
  display: inline;
}

html[lang="en"] [data-lang="en"].section-subtitle,
html[lang="en"] [data-lang="en"].hero-tagline,
html[lang="en"] [data-lang="en"].stat-label,
html[lang="en"] [data-lang="en"].portfolio-content p,
html[lang="en"] [data-lang="en"].testimonial-text,
html[lang="en"] [data-lang="en"].faq-answer p,
html[lang="en"] [data-lang="en"].footer-brand p,
html[lang="en"] [data-lang="en"].expertise-list {
  display: block;
}

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

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

/* Scroll animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    margin-top: var(--spacing-2xl);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    flex-direction: column;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .services-grid,
  .portfolio-grid,
  .testimonials-grid,
  .expertise-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
  #background-canvas,
  .navbar,
  .hero-scroll,
  .theme-toggle,
  .lang-toggle {
    display: none !important;
  }
  
  body {
    background-color: white;
    color: black;
  }
  
  .section {
    page-break-inside: avoid;
  }
}