:root {
  --primary-bg: #0a0a0a;
  --secondary-bg: #1a1a1a;
  --card-bg: #2a2a2a;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #666666;
  --accent-color: #4a90e2;
  --border-color: #333333;
  --hover-color: #3a3a3a;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --primary-bg: #ffffff;
  --secondary-bg: #f8f9fa;
  --card-bg: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #888888;
  --accent-color: #2c5aa0;
  --border-color: #e0e0e0;
  --hover-color: #f0f0f0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: clamp(14px, 1.5vw, 18px);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
  overflow-x: hidden;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.9);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.nav-logo h1 {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 300;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: var(--transition);
  font-weight: 400;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

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

.theme-toggle {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
}

.theme-toggle:hover {
  background: var(--hover-color);
  transform: scale(1.05);
}

.main-content {
  margin-top: 80px;
}

.hero-section {
  height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 0 2rem;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 200;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.4;
}

.events-grid {
  padding: 4rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.section-header h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 200;
  letter-spacing: -0.02em;
}

.filter-tabs {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-tab {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  grid-auto-rows: min-content;
}

@media (min-width: 768px) {
  .masonry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.event-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-color);
}

[data-theme="light"] .event-card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.event-card.large {
  grid-row: span 2;
}

.event-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: var(--transition);
}

.event-card.large .event-image {
  height: 300px;
}

.event-card:hover .event-image {
  transform: scale(1.02);
}

.gradient-bg {
  position: relative;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gradient-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.4));
  transition: var(--transition);
}

.art-gradient {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.food-gradient {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.music-gradient {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.museum-gradient {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.foodtruck-gradient {
  background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

.event-card:hover .gradient-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.3));
}

.event-content {
  padding: 1.5rem;
  position: relative;
}

.event-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--accent-color);
  color: white;
  padding: 0.5rem;
  border-radius: 8px;
  width: 60px;
  margin-bottom: 1rem;
  font-weight: 600;
}

.event-date .day {
  font-size: 1.5rem;
  line-height: 1;
}

.event-date .month {
  font-size: 0.8rem;
  text-transform: uppercase;
}

.event-title {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  line-height: 1.3;
  color: var(--text-primary);
}

.event-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.event-location {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.calendar-section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  background: var(--secondary-bg);
}

.calendar-container {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.calendar-title {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--text-primary);
}

.calendar-nav {
  background: var(--accent-color);
  border: none;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
}

.calendar-nav:hover {
  background: var(--hover-color);
  transform: scale(1.05);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.calendar-day {
  background: var(--card-bg);
  padding: 1rem;
  text-align: center;
  position: relative;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.calendar-day:hover {
  background: var(--hover-color);
}

.calendar-day.has-event {
  background: var(--accent-color);
  color: white;
}

.calendar-day.other-month {
  color: var(--text-muted);
  background: var(--secondary-bg);
}

.about-section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.about-content h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 200;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.about-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 200;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  padding: 2rem;
  text-align: center;
}

.footer-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .nav-container {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .masonry-grid {
    grid-template-columns: 1fr;
  }
  
  .calendar-day {
    min-height: 40px;
    padding: 0.5rem;
  }
}

@media (max-width: 480px) {
  .events-grid,
  .calendar-section,
  .about-section {
    padding: 2rem 1rem;
  }
  
  .hero-content {
    padding: 0 1rem;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

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

/* Image Modal Styles */
.image-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.image-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}

.modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--card-bg);
  border-radius: 16px;
  overflow: hidden;
  transform: scale(0.8);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.image-modal.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

#modalImage {
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: cover;
  display: block;
}

.modal-info {
  padding: 2rem;
  background: var(--card-bg);
}

.modal-info h3 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.modal-info p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.modal-info div {
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .modal-content {
    max-width: 95vw;
    max-height: 95vh;
  }
  
  .modal-info {
    padding: 1.5rem;
  }
  
  #modalImage {
    max-height: 60vh;
  }
}

/* Events Placeholder */
.events-placeholder {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  background: var(--card-bg);
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  margin: 2rem 0;
}

.placeholder-content h3 {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.placeholder-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.admin-link {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  text-decoration: none;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-weight: 500;
  transition: var(--transition);
}

.admin-link:hover {
  background: #3a7bc8;
  transform: translateY(-2px);
}