/* ============================================
   Developer Matrix Theme — Islam Kandil
   Dark/Light Mode with Terminal Aesthetics
   ============================================ */

/* --- CSS Variables --- */
:root {
  --font-mono: 'Fira Code', 'Courier New', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --nav-height: 64px;
  --container-max: 1100px;
  --border-radius: 10px;
  --border-radius-sm: 6px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Dark Theme (default) */
[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161e;
  --bg-card-hover: #1c1c28;
  --bg-terminal: #0d0d14;
  --bg-nav: rgba(10, 10, 15, 0.85);

  --text-primary: #e4e4e7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  --accent-primary: #a78bfa;
  --accent-secondary: #34d399;
  --accent-tertiary: #60a5fa;
  --accent-glow: rgba(167, 139, 250, 0.15);
  --accent-glow-strong: rgba(167, 139, 250, 0.3);

  --border-color: #27272a;
  --border-color-light: #3f3f46;

  --terminal-bg: #0d0d14;
  --terminal-border: #27272a;
  --terminal-dot-red: #ff5f56;
  --terminal-dot-yellow: #ffbd2e;
  --terminal-dot-green: #27c93f;

  --code-keyword: #c792ea;
  --code-string: #c3e88d;
  --code-key: #82aaff;
  --code-number: #f78c6c;
  --code-comment: #546e7a;
  --code-prompt: #34d399;
  --code-var: #ffcb6b;

  --tag-bg: rgba(167, 139, 250, 0.1);
  --tag-border: rgba(167, 139, 250, 0.25);
  --tag-text: #c4b5fd;

  --stat-bg: linear-gradient(135deg, rgba(167, 139, 250, 0.08), rgba(52, 211, 153, 0.08));
  --stat-border: rgba(167, 139, 250, 0.15);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(167, 139, 250, 0.1);
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f3f4f6;
  --bg-terminal: #1e1e2e;
  --bg-nav: rgba(248, 249, 250, 0.85);

  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;

  --accent-primary: #7c3aed;
  --accent-secondary: #059669;
  --accent-tertiary: #2563eb;
  --accent-glow: rgba(124, 58, 237, 0.08);
  --accent-glow-strong: rgba(124, 58, 237, 0.15);

  --border-color: #e5e7eb;
  --border-color-light: #d1d5db;

  --terminal-bg: #1e1e2e;
  --terminal-border: #313244;
  --terminal-dot-red: #ff5f56;
  --terminal-dot-yellow: #ffbd2e;
  --terminal-dot-green: #27c93f;

  --code-keyword: #c792ea;
  --code-string: #c3e88d;
  --code-key: #82aaff;
  --code-number: #f78c6c;
  --code-comment: #546e7a;
  --code-prompt: #34d399;
  --code-var: #ffcb6b;

  --tag-bg: rgba(124, 58, 237, 0.06);
  --tag-border: rgba(124, 58, 237, 0.2);
  --tag-text: #7c3aed;

  --stat-bg: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(5, 150, 105, 0.05));
  --stat-border: rgba(124, 58, 237, 0.12);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.05);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

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

a:hover {
  color: var(--accent-secondary);
}

strong {
  color: var(--accent-primary);
  font-weight: 600;
}

[data-theme="light"] strong {
  color: var(--text-primary);
  font-weight: 700;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-bracket {
  color: var(--accent-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.nav-link::before {
  content: './';
  color: var(--text-muted);
  opacity: 0.5;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-secondary);
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.hero-name {
  font-family: var(--font-sans);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.15s forwards;
}

.hero-typing-wrapper {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  margin-bottom: 16px;
  min-height: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.3s forwards;
}

.terminal-prompt {
  color: var(--accent-secondary);
  font-family: var(--font-mono);
  font-weight: 600;
}

.typing-cursor {
  color: var(--accent-primary);
  animation: blink 1s step-end infinite;
  font-weight: 100;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 32px;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.45s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.6s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Buttons --- */
.btn {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(167, 139, 250, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color-light);
}

.btn-outline:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

/* --- Sections --- */
.section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--text-primary);
}

.section-title .terminal-prompt {
  margin-right: 8px;
}

.terminal-text {
  font-family: var(--font-mono);
}

/* --- About Section --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* --- Terminal Window --- */
.terminal-window {
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--terminal-border);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red { background: var(--terminal-dot-red); }
.terminal-dot.yellow { background: var(--terminal-dot-yellow); }
.terminal-dot.green { background: var(--terminal-dot-green); }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #71717a;
  margin-left: 8px;
}

.terminal-body {
  padding: 20px;
  overflow-x: auto;
}

.terminal-body pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: #e4e4e7;
}

.terminal-body code {
  font-family: var(--font-mono);
}

.t-prompt { color: var(--code-prompt); }
.t-keyword { color: var(--code-keyword); }
.t-string { color: var(--code-string); }
.t-key { color: var(--code-key); }
.t-number { color: var(--code-number); }
.t-comment { color: var(--code-comment); font-style: italic; }
.t-var { color: var(--code-var); }

/* --- Stats Section --- */
.stats-section {
  padding: 48px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 32px 16px;
  background: var(--stat-bg);
  border: 1px solid var(--stat-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  display: inline;
}

.stat-plus {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-secondary);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-family: var(--font-mono);
}

/* --- Experience Timeline --- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

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

.timeline-marker {
  position: absolute;
  left: -40px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-primary);
  z-index: 1;
  transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-marker {
  background: var(--accent-primary);
  box-shadow: 0 0 12px rgba(167, 139, 250, 0.5);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 28px;
  transition: all var(--transition-normal);
}

.timeline-content:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.timeline-header {
  margin-bottom: 16px;
}

.timeline-role {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.timeline-company {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-primary);
  font-weight: 500;
}

.timeline-meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.timeline-details {
  list-style: none;
  margin-bottom: 16px;
}

.timeline-details li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.timeline-details li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent-secondary);
  font-family: var(--font-mono);
  font-weight: 600;
}

.timeline-details li:last-child {
  margin-bottom: 0;
}

.timeline-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-stack span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: 4px;
  color: var(--tag-text);
}

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

/* --- Skills Section --- */
.skills-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  transition: all var(--transition-normal);
}

.skill-category:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.skill-category h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-secondary);
  margin-bottom: 12px;
  text-transform: lowercase;
}

.skill-category h3::before {
  content: '// ';
  color: var(--text-muted);
  opacity: 0.5;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tags span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 5px 12px;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: 4px;
  color: var(--tag-text);
  transition: all var(--transition-fast);
}

.skill-tags span:hover {
  background: var(--accent-glow-strong);
  border-color: var(--accent-primary);
}

/* --- Education Section --- */
.education-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 32px;
  transition: all var(--transition-normal);
}

.edu-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.edu-icon {
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.edu-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.edu-school {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-primary);
  display: block;
  margin-bottom: 4px;
}

.edu-year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 12px;
}

.edu-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.edu-languages {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
}

.edu-languages h3 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-secondary);
  margin-bottom: 16px;
}

.edu-languages h3::before {
  content: '$ ';
  color: var(--text-muted);
}

.lang-tags {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.lang-tag {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 16px;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  border-radius: var(--border-radius-sm);
}

.lang-tag strong {
  color: var(--text-primary);
}

[data-theme="light"] .lang-tag strong {
  color: var(--text-primary);
}

/* --- Contact Section --- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  font-size: 0.95rem;
}

a.contact-card:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}

.contact-card svg {
  flex-shrink: 0;
  color: var(--accent-primary);
}

/* --- Footer --- */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-separator {
  color: var(--border-color-light);
  margin: 0 8px;
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-normal);
  z-index: 99;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

/* --- Scroll Animations --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .about-content,
  .skills-wrapper,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

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

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

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

  .timeline {
    padding-left: 28px;
  }

  .timeline-marker {
    left: -28px;
    width: 12px;
    height: 12px;
  }

  .timeline-content {
    padding: 20px;
  }

  .hero-name {
    letter-spacing: -1px;
  }

  .section {
    padding: 64px 0;
  }

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-card {
    padding: 24px 12px;
  }

  .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 260px;
    justify-content: center;
  }

  .lang-tags {
    flex-direction: column;
  }
}