/* Pleasant Hill Summer Concerts - Modern Static Site */

/* ===== CSS Variables ===== */
:root {
  /* Sunset-inspired color palette */
  --sunset-orange: #ff6b35;
  --sunset-pink: #f7931e;
  --sunset-purple: #9b59b6;
  --deep-blue: #1a1a2e;
  --navy: #16213e;
  --warm-white: #fefefe;
  --light-gray: #f5f5f7;
  --medium-gray: #86868b;
  --dark-gray: #1d1d1f;
  
  /* Gradients */
  --gradient-sunset: linear-gradient(135deg, #ff6b35 0%, #f7931e 50%, #ff9a56 100%);
  --gradient-evening: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
  --gradient-warm: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-hero: linear-gradient(180deg, rgba(26,26,46,0.7) 0%, rgba(22,33,62,0.9) 100%);
  
  /* Typography */
  --font-display: 'Georgia', 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --shadow-glow: 0 0 40px rgba(255,107,53,0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--dark-gray);
  background: var(--warm-white);
  -webkit-font-smoothing: antialiased;
}

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

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

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-lg) 0;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--warm-white);
}

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

.logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.logo-text span {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.8;
  font-family: var(--font-body);
}

.nav {
  display: flex;
  gap: var(--space-md);
}

.nav a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-xs) 0;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--sunset-orange);
  transition: var(--transition);
}

.nav a:hover {
  color: var(--warm-white);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--warm-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-xs);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: 
    var(--gradient-hero),
    url('https://pleasanthillsummerconcerts.com/wp-content/uploads/2023/06/11731746_10152967952176120_3434533213245330709_o.jpg') center/cover no-repeat;
  margin-top: 60px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--warm-white), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  color: var(--warm-white);
  padding: var(--space-lg) var(--space-md);
  max-width: 900px;
}

.hero-badge {
  display: inline-block;
  background: var(--gradient-sunset);
  color: var(--warm-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-glow);
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  margin-bottom: var(--space-sm);
  text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  opacity: 0.9;
  margin-bottom: var(--space-md);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--sunset-orange);
  color: var(--warm-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ===== Announcement Bar ===== */
.announcement {
  background: var(--gradient-sunset);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
}

.announcement a {
  color: var(--warm-white);
  font-weight: 600;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.announcement a:hover {
  opacity: 0.9;
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  color: var(--deep-blue);
  margin-bottom: var(--space-xs);
}

.section-header p {
  color: var(--medium-gray);
  font-size: 1.1rem;
}

.section-header .accent-line {
  width: 60px;
  height: 4px;
  background: var(--gradient-sunset);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

/* ===== Concert Schedule ===== */
.schedule-section {
  background: var(--light-gray);
  padding: var(--space-xl) 0;
}

.schedule-grid {
  display: grid;
  gap: var(--space-sm);
  max-width: 800px;
  margin: 0 auto;
}

.schedule-item {
  display: flex;
  align-items: center;
  background: var(--warm-white);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}

.schedule-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  border-color: var(--sunset-orange);
}

.schedule-date {
  flex-shrink: 0;
  width: 80px;
  text-align: center;
  padding-right: var(--space-md);
  border-right: 2px solid var(--light-gray);
  margin-right: var(--space-md);
}

.schedule-date .month {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--sunset-orange);
  letter-spacing: 0.05em;
}

.schedule-date .day {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--deep-blue);
  line-height: 1;
}

.schedule-info h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--deep-blue);
  margin-bottom: 2px;
}

.schedule-info .time {
  font-size: 0.9rem;
  color: var(--medium-gray);
}

.schedule-item .arrow {
  margin-left: auto;
  color: var(--medium-gray);
  font-size: 1.25rem;
  transition: var(--transition);
}

.schedule-item:hover .arrow {
  color: var(--sunset-orange);
  transform: translateX(4px);
}

/* ===== Concert Cards Grid ===== */
.concerts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-md);
}

.concert-card {
  background: var(--warm-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.concert-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.concert-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.concert-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.concert-card:hover .concert-card-image img {
  transform: scale(1.05);
}

.concert-card-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--sunset-orange);
  color: var(--warm-white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.concert-card-content {
  padding: var(--space-md);
}

.concert-card-date {
  color: var(--sunset-orange);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
}

.concert-card h3 {
  color: var(--deep-blue);
  margin-bottom: var(--space-xs);
}

.concert-card-location {
  color: var(--medium-gray);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Year Headings for Past Concerts */
.year-heading {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--deep-blue);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 3px solid var(--sunset-orange);
  display: inline-block;
}

.year-heading:first-of-type {
  margin-top: 0;
}

/* Compact concert cards for past concerts listing */
#past-concerts .concert-card {
  padding: 0;
}

#past-concerts .concert-card-content {
  padding: var(--space-sm) var(--space-md);
}

#past-concerts .concert-card h3 {
  font-size: 1rem;
  margin-bottom: 0;
}

#past-concerts .concerts-grid {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-sm);
}

/* ===== Info Box ===== */
.info-box {
  background: var(--gradient-evening);
  color: var(--warm-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
}

.info-box h2 {
  color: var(--warm-white);
  margin-bottom: var(--space-md);
}

.info-box p {
  opacity: 0.9;
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.info-box .highlight {
  background: rgba(255,107,53,0.2);
  border-left: 4px solid var(--sunset-orange);
  padding: var(--space-sm) var(--space-md);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: var(--space-md);
}

.info-box .highlight strong {
  color: var(--sunset-orange);
}

/* ===== Sponsors ===== */
.sponsors-section {
  background: var(--light-gray);
  padding: var(--space-xl) 0;
}

.sponsor-tier {
  margin-bottom: var(--space-lg);
  text-align: center;
}

.sponsor-tier:last-child {
  margin-bottom: 0;
}

.sponsor-tier h3 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--medium-gray);
  margin-bottom: var(--space-md);
}

.sponsor-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  align-items: center;
}

.sponsor-logos a {
  opacity: 0.7;
  transition: var(--transition);
}

.sponsor-logos a:hover {
  opacity: 1;
}

.sponsor-logos img {
  max-height: 60px;
  width: auto;
}

.sponsor-tier.headliner .sponsor-logos img {
  max-height: 80px;
}

/* Text-based sponsor lists */
.sponsor-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-lg);
}

.sponsor-list li {
  font-size: 1.1rem;
}

.sponsor-list a {
  color: var(--sunset-orange);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.sponsor-list a:hover {
  color: var(--sunset-pink);
  text-decoration: underline;
}

/* ===== Concert Detail Page ===== */
.concert-hero {
  position: relative;
  padding-top: 80px;
  background: var(--gradient-evening);
}

.concert-hero-image {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
}

.concert-hero-content {
  padding: var(--space-lg) 0;
  color: var(--warm-white);
}

.concert-hero .badge {
  display: inline-block;
  background: var(--sunset-orange);
  color: var(--warm-white);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.concert-hero h1 {
  margin-bottom: var(--space-md);
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.event-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 1.1rem;
}

.event-meta-item .icon {
  font-size: 1.25rem;
  opacity: 0.8;
}

.concert-content {
  padding: var(--space-lg) 0;
}

.concert-details-card {
  background: var(--warm-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  margin-top: calc(-1 * var(--space-xl));
  position: relative;
}

.concert-details-card h2 {
  color: var(--deep-blue);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--light-gray);
}

.detail-row {
  display: flex;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--light-gray);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  font-weight: 600;
  color: var(--medium-gray);
  min-width: 120px;
}

.detail-value {
  color: var(--deep-blue);
}

.concert-description {
  margin-top: var(--space-lg);
}

.concert-description h2 {
  color: var(--deep-blue);
  margin-bottom: var(--space-md);
}

.concert-description p {
  font-size: 1.1rem;
  color: var(--dark-gray);
  margin-bottom: var(--space-sm);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--sunset-orange);
  font-weight: 600;
  margin-top: var(--space-lg);
  padding: var(--space-sm) 0;
}

.back-link:hover {
  gap: var(--space-sm);
}

/* ===== News Article ===== */
.article-hero {
  padding-top: 100px;
  padding-bottom: var(--space-lg);
  background: var(--gradient-evening);
  color: var(--warm-white);
}

.article-hero h1 {
  max-width: 800px;
}

.article-meta {
  margin-top: var(--space-sm);
  opacity: 0.8;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

.article-content p {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

.article-content h2 {
  color: var(--deep-blue);
  margin: var(--space-lg) 0 var(--space-md);
}

.article-content ul, .article-content ol {
  margin: var(--space-md) 0;
  padding-left: var(--space-md);
}

.article-content li {
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.article-content a {
  color: var(--sunset-orange);
  font-weight: 500;
}

.article-content a:hover {
  text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
  background: var(--deep-blue);
  color: var(--warm-white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  opacity: 0.8;
  font-size: 0.95rem;
}

.footer-links h4 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  color: var(--sunset-orange);
}

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

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  opacity: 0.8;
  font-size: 0.95rem;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--sunset-orange);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  opacity: 0.6;
  font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--deep-blue);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

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

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: 70vh;
  }

  .schedule-item {
    flex-direction: column;
    text-align: center;
  }

  .schedule-date {
    border-right: none;
    border-bottom: 2px solid var(--light-gray);
    padding-right: 0;
    padding-bottom: var(--space-sm);
    margin-right: 0;
    margin-bottom: var(--space-sm);
    width: auto;
  }

  .schedule-item .arrow {
    display: none;
  }

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

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

  .event-meta {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .detail-row {
    flex-direction: column;
    gap: 4px;
  }
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }

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

.animate-fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
}