/* ==================== */
/* CSS Reset & Base */
/* ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ==================== */
/* Accessibility Menu */
/* ==================== */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 0 0 4px 0;
  z-index: 10000;
  font-weight: 600;
  transition: top 0.3s;
}

.skip-to-content:focus {
  top: 0;
}

.accessibility-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border: none;
  color: white;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.accessibility-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.accessibility-toggle:focus {
  outline: 3px solid var(--secondary-color);
  outline-offset: 2px;
}

.accessibility-menu {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--bg-light);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  z-index: 10000;
  width: 90%;
  max-width: 400px;
  max-height: 80vh;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.accessibility-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.accessibility-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.accessibility-menu-header h2 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin: 0;
}

.accessibility-close {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: var(--transition);
}

.accessibility-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.accessibility-close:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.accessibility-menu-content {
  padding: 20px;
}

.accessibility-group {
  margin-bottom: 24px;
}

.accessibility-group h3 {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-weight: 600;
}

.accessibility-controls {
  display: flex;
  gap: 8px;
}

.accessibility-btn {
  flex: 1;
  padding: 12px;
  background: var(--bg-lighter);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
}

.accessibility-btn:hover {
  background: var(--bg-dark);
  border-color: var(--primary-color);
}

.accessibility-btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.accessibility-option {
  margin-bottom: 12px;
}

.accessibility-switch {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.accessibility-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.accessibility-switch .slider {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--bg-darker);
  border-radius: 24px;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.accessibility-switch .slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 2px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: var(--transition);
}

.accessibility-switch input:checked + .slider {
  background: var(--primary-color);
}

.accessibility-switch input:checked + .slider::before {
  transform: translateX(20px);
  background: white;
}

.accessibility-switch input:focus + .slider {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

.accessibility-switch .label-text {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.accessibility-reset {
  width: 100%;
  padding: 12px;
  background: var(--bg-darker);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  margin-top: 16px;
}

.accessibility-reset:hover {
  background: var(--bg-lighter);
  border-color: var(--accent-color);
}

.accessibility-reset:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Accessibility Feature Styles */
body.high-contrast {
  --bg-dark: #000000;
  --bg-darker: #000000;
  --bg-light: #1a1a1a;
  --bg-lighter: #2a2a2a;
  --text-primary: #ffffff;
  --text-secondary: #ffffff;
  --text-muted: #e0e0e0;
}

body.high-contrast .navbar,
body.high-contrast .hero,
body.high-contrast .about,
body.high-contrast .services,
body.high-contrast .portfolio,
body.high-contrast .contact,
body.high-contrast .footer {
  border: 1px solid #ffffff;
}

body.underline-links a {
  text-decoration: underline !important;
}

body.dyslexia-font {
  font-family: 'Comic Sans MS', 'Arial', sans-serif !important;
}

body.dyslexia-font * {
  font-family: 'Comic Sans MS', 'Arial', sans-serif !important;
}

body.font-size-large {
  font-size: 18px;
}

body.font-size-larger {
  font-size: 20px;
}

body.font-size-largest {
  font-size: 22px;
}

/* Enhanced keyboard navigation */
body.keyboard-navigation *:focus {
  outline: 3px solid var(--secondary-color) !important;
  outline-offset: 3px !important;
}

/* Overlay for accessibility menu */
.accessibility-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.accessibility-overlay.active {
  opacity: 1;
  visibility: visible;
}

:root {
  /* Color Palette */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #22d3ee;
  --accent-color: #a855f7;

  --bg-dark: #0f172a;
  --bg-darker: #020617;
  --bg-light: #1e293b;
  --bg-lighter: #334155;

  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #a1b0c8; /* Improved from #94a3b8 for better contrast (WCAG AA compliant) */

  /* Spacing */
  --section-padding: 80px;
  --container-padding: 20px;

  /* Typography */
  --font-primary:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "Poppins", sans-serif;

  /* Effects */
  --transition: all 0.3s ease;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

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

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

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

/* ==================== */
/* Navigation */
/* ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transition: width 0.3s ease;
}

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

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

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

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition);
}

/* ==================== */
/* Hero Section */
/* ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.animated-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(99, 102, 241, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(34, 211, 238, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 20%,
      rgba(168, 85, 247, 0.1) 0%,
      transparent 50%
    );
  animation: gradientShift 15s ease infinite;
}

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

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

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.greeting {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 600;
  color: var(--text-secondary);
  animation: fadeInDown 0.8s ease;
}

.name {
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 600;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  display: inline-block;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.875rem;
  animation: fadeIn 1s ease 1s both;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-left: 2px solid var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  transform: rotate(-45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0) rotate(-45deg);
  }
  50% {
    transform: translateY(10px) rotate(-45deg);
  }
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== */
/* Section Styles */
/* ==================== */
section {
  padding: var(--section-padding) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-line {
  width: 80px;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  margin: 0 auto;
  border-radius: 2px;
}

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

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text {
  margin-bottom: 3rem;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-text .lead {
  font-size: 1.25rem;
  color: var(--text-primary);
  font-weight: 500;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.skill-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.skill-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

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

/* ==================== */
/* Services Section */
/* ==================== */
.services {
  background: var(--bg-dark);
}

.services-content {
  max-width: 1000px;
  margin: 0 auto;
}

.services-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 2.5rem;
  color: var(--primary-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.service-item {
  background: var(--bg-light);
  padding: 1.75rem;
  border-radius: 12px;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-item:hover {
  transform: translateY(-3px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.service-item h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.service-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.services-note {
  text-align: center;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

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

.portfolio-category {
  margin-bottom: 3rem;
}

.portfolio-category h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--secondary-color);
}

.project-card {
  background: var(--bg-light);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.project-header h4 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--text-primary);
}

.project-type {
  background: var(--primary-color);
  color: white;
  padding: 0.375rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.project-description {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.project-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.project-features li {
  color: var(--text-secondary);
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.project-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

.project-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--bg-dark);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.link-icon {
  font-size: 1.2rem;
}

.additional-work {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.work-item {
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.work-item:hover {
  transform: translateX(5px);
  border-color: var(--accent-color);
}

.work-icon {
  font-size: 2rem;
}

.work-item p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================== */
/* Contact Section */
/* ==================== */
.contact {
  background: var(--bg-dark);
}

.contact-content {
  max-width: 900px;
  margin: 0 auto;
}

.availability {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 2.5rem;
  border-left: 4px solid var(--secondary-color);
}

.availability h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.availability-list {
  list-style: none;
}

.availability-list li {
  color: var(--text-secondary);
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 1.075rem;
}

.availability-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

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

.contact-item a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

.contact-item p {
  color: var(--text-secondary);
}

.social-links h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  text-align: center;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-light);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.social-icon {
  font-size: 1.5rem;
}

/* ==================== */
/* Footer */
/* ==================== */
.footer {
  background: var(--bg-darker);
  padding: 3rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.funding-banners {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
  padding: 2rem;
  background: var(--bg-light);
  border-radius: 12px;
}

.funding-banner {
  max-width: 100%;
  height: auto;
  max-height: 120px;
  object-fit: contain;
}

.footer-content {
  text-align: center;
  color: var(--text-muted);
}

.footer-content p {
  margin-bottom: 0.5rem;
}

.footer-address {
  font-size: 0.875rem;
}

/* ==================== */
/* Responsive Design */
/* ==================== */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }

  .mobile-menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 70%;
    max-width: 300px;
    background: var(--bg-darker);
    flex-direction: column;
    padding: 5rem 2rem;
    gap: 1.5rem;
    transition: right 0.3s ease;
    box-shadow: var(--shadow-xl);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.125rem;
  }

  .hero {
    min-height: calc(100vh - 60px);
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
  }

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

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

  .project-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .funding-banner {
    max-height: 80px;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }
}

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

  html {
    scroll-behavior: auto;
  }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
}

/* Better focus for dark backgrounds */
a:focus,
button:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* Screen reader only class */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==================== */
/* Reduced Motion Support */
/* ==================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }

  /* Disable parallax and transform animations */
  .animated-bg {
    animation: none !important;
  }

  .skill-card,
  .service-item,
  .project-card,
  .work-item,
  .contact-item,
  .social-link {
    transition: none !important;
  }
}