/* ===== CSS VARIABLES ===== */
:root {
  /* Colors - Softer, warmer palette appropriate for children */
  --primary-color: #4f46e5;
  --primary-light: #6366f1;
  --primary-dark: #3730a3;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --accent-light: #fbbf24;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  /* Neutral colors - Warmer grays */
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Warm accent colors */
  --warm-50: #fef7ed;
  --warm-100: #fed7aa;
  --warm-200: #fdba74;
  --warm-300: #fb923c;
  --warm-400: #f97316;
  --warm-500: #ea580c;
  
  /* Soft pastels for children */
  --soft-blue: #dbeafe;
  --soft-green: #dcfce7;
  --soft-yellow: #fef3c7;
  --soft-pink: #fce7f3;
  --soft-purple: #f3e8ff;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
  
  /* 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;
  --spacing-4xl: 6rem;
  
  /* Border radius - Softer, more friendly */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  
  /* Shadows - Softer, more gentle */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: var(--spacing-lg);
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--gray-800);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav__logo-img {
  width: 45px;
  height: 45px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.nav__logo-img:hover {
  transform: scale(1.05);
}

.nav__logo-text {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--primary-color);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__link {
  position: relative;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-fast);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
}

.nav__link:hover,
.nav__link:focus {
  color: var(--primary-color);
  background: var(--soft-blue);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: translateX(-50%);
  transition: width var(--transition-normal);
  border-radius: 1px;
}

.nav__link:hover::after,
.nav__link:focus::after {
  width: 80%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.nav__toggle:hover {
  background: var(--soft-blue);
}

.nav__toggle span {
  width: 25px;
  height: 3px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Language Switcher */
.nav__language {
  display: flex;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-lg);
  position: relative;
  z-index: 1000;
}

.language-btn {
  background: none;
  border: 2px solid var(--gray-300);
  color: var(--gray-600);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-normal);
  min-width: 40px;
  text-align: center;
}

.language-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-1px);
}

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

.language-btn--active:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.8), rgba(245, 158, 11, 0.6)),
              url('images/marcus.jpeg') center/cover no-repeat;
  color: var(--white);
  text-align: center;
  padding: var(--spacing-4xl) var(--spacing-lg);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="stars" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
  opacity: 0.3;
  animation: twinkle 3s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.2; }
  100% { opacity: 0.4; }
}

.hero__content {
  max-width: 800px;
  z-index: 2;
  position: relative;
}

.hero__title {
  font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
  animation: fadeInUp 1s ease-out;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.95;
  animation: fadeInUp 1s ease-out 0.2s both;
  font-weight: 300;
}

.hero__cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  font-weight: 600;
  font-size: var(--font-size-lg);
  transition: all var(--transition-normal);
  animation: fadeInUp 1s ease-out 0.4s both;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero__cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.hero__cta:hover::before {
  left: 100%;
}

.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(79, 70, 229, 0.1), rgba(245, 158, 11, 0.1));
  z-index: 1;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--spacing-4xl) 0;
  position: relative;
}

.section--alt {
  background: linear-gradient(135deg, var(--warm-50) 0%, var(--soft-blue) 100%);
}

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

.section__title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
}

.section__title::before {
  content: '✨';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-xl);
  opacity: 0.7;
}

/* ===== ABOUT SECTION ===== */
.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(--gray-600);
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

.about__img {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-normal);
  position: relative;
}

.about__img::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: linear-gradient(135deg, var(--soft-blue), var(--soft-purple));
  border-radius: var(--radius-2xl);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.about__img:hover::before {
  opacity: 1;
}

.about__img:hover {
  transform: scale(1.02) rotate(1deg);
}

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline__item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
  display: flex;
  align-items: center;
}

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

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

.timeline__marker {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  background: var(--white);
  border: 4px solid var(--primary-color);
  border-radius: 50%;
  z-index: 2;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.timeline__marker::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 50%;
}

.timeline__content {
  width: 45%;
  padding: var(--spacing-xl);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  position: relative;
}

.timeline__content::before {
  content: '';
  position: absolute;
  top: 20px;
  width: 0;
  height: 0;
  border: 10px solid transparent;
}

.timeline__item:nth-child(odd) .timeline__content::before {
  right: -20px;
  border-left-color: var(--white);
}

.timeline__item:nth-child(even) .timeline__content::before {
  left: -20px;
  border-right-color: var(--white);
}

.timeline__content:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

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

.timeline__text {
  color: var(--gray-600);
  line-height: 1.7;
}

/* ===== CARDS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

.card {
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

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

.card__icon {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  display: block;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  transition: transform var(--transition-normal);
}

.card:hover .card__icon {
  transform: scale(1.1);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.card__text {
  color: var(--gray-600);
  line-height: 1.7;
}

/* ===== BLOG SECTION ===== */
.blog {
  background: linear-gradient(135deg, var(--soft-green) 0%, var(--soft-blue) 100%);
}

.blog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.blog__loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--gray-600);
  font-size: var(--font-size-lg);
}

.blog__card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  cursor: pointer;
}

.blog__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.blog__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.blog__card:hover .blog__image {
  transform: scale(1.05);
}

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

.blog__date {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.blog__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.blog__excerpt {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.blog__read-more {
  color: var(--primary-color);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.blog__read-more:hover {
  color: var(--primary-dark);
}

/* ===== BLOG MODAL ===== */
.blog-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.blog-modal.active {
  display: flex;
}

.blog-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.blog-modal__content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-2xl);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.blog-modal__close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--gray-200);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.blog-modal__close:hover {
  background: var(--gray-300);
  transform: scale(1.1);
}

.blog-modal__body {
  padding: var(--spacing-3xl);
}

.blog-post__header {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.blog-post__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.blog-post__meta {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.blog-post__image {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-2xl);
}

.blog-post__content {
  color: var(--gray-700);
  line-height: 1.8;
  font-size: var(--font-size-lg);
}

.blog-post__content h1,
.blog-post__content h2,
.blog-post__content h3,
.blog-post__content h4,
.blog-post__content h5,
.blog-post__content h6 {
  color: var(--gray-900);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
}

.blog-post__content h1 { font-size: var(--font-size-2xl); }
.blog-post__content h2 { font-size: var(--font-size-xl); }
.blog-post__content h3 { font-size: var(--font-size-lg); }

.blog-post__content p {
  margin-bottom: var(--spacing-lg);
}

.blog-post__content ul,
.blog-post__content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.blog-post__content li {
  margin-bottom: var(--spacing-sm);
}

.blog-post__content blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  font-style: italic;
  color: var(--gray-600);
  background: var(--soft-blue);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
}

.blog-post__content code {
  background: var(--gray-100);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

.blog-post__content pre {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

.blog-post__content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.blog-post__content a {
  color: var(--primary-color);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.blog-post__content a:hover {
  color: var(--primary-dark);
}

.blog-post__content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-md);
}

/* ===== FOOTER ===== */
.footer {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--accent-color);
}

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

.footer__link {
  color: var(--primary-color);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--accent-color);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--gray-700);
  color: var(--gray-400);
}

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

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

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

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .about__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline__item {
    flex-direction: row !important;
  }
  
  .timeline__marker {
    left: 20px;
  }
  
  .timeline__content {
    width: calc(100% - 60px);
    margin-left: 60px;
  }
  
  .timeline__content::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--spacing-md);
  }
  
  .nav {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .nav__menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    order: 3;
    width: 100%;
  }
  
  .nav__menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav__toggle {
    display: flex;
  }

  .nav__language {
    margin-left: auto;
    margin-right: var(--spacing-md);
    display: flex;
    gap: var(--spacing-xs);
    z-index: 1000;
    order: 2;
  }

  .language-btn {
    padding: var(--spacing-sm);
    min-width: 40px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-width: 2px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .language-btn:active {
    transform: scale(0.95);
  }
  
  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  
  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  
  .hero {
    padding: var(--spacing-3xl) var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-3xl) 0;
  }
  
  .cards {
    grid-template-columns: 1fr;
  }
  
  .blog__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: var(--font-size-3xl);
  }
  
  .hero__subtitle {
    font-size: var(--font-size-lg);
  }
  
  .section__title {
    font-size: var(--font-size-2xl);
  }
  
  .card {
    padding: var(--spacing-xl);
  }
  
  .timeline__content {
    padding: var(--spacing-lg);
  }

  .nav__language {
    margin-left: var(--spacing-sm);
  }

  .language-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    min-width: 35px;
    font-size: var(--font-size-xs);
  }
}

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

/* Focus styles for better accessibility */
.nav__link:focus,
.hero__cta:focus,
.footer__link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0000ff;
    --gray-800: #000000;
    --gray-600: #333333;
  }
}