/* Main Stylesheet */

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Grain texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: var(--grain-opacity);
  z-index: 9999;
  mix-blend-mode: overlay;
}

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

a {
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

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

/* Section Headers */
.section-header {
  margin-bottom: var(--spacing-3xl);
  text-align: center;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-5xl);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-md);
}

.header-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
  margin: 0 auto;
}

/* Navigation */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-nav);
  transition: all var(--transition-base);
}

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

.nav-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent-gold);
  border-bottom-color: var(--color-accent-gold);
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('../images/Cover-02-3072-H6.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.6) 0%, rgba(10, 10, 10, 0.8) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  animation: fadeInUp 1s ease;
}

.album-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-7xl);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  text-shadow: 0 4px 20px rgba(212, 168, 50, 0.5);
  margin-bottom: var(--spacing-md);
  line-height: 1;
}

.collective-name {
  font-size: var(--font-size-2xl);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.release-date {
  font-size: var(--font-size-xl);
  color: var(--color-accent-cyan);
  letter-spacing: 0.1em;
}

.scroll-indicator {
  position: absolute;
  bottom: -40vh;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.scroll-line {
  width: 1px;
  height: 30px;
  background: linear-gradient(180deg, var(--color-text-secondary), transparent);
}

/* Concert Section */
.concert-section {
  padding: var(--spacing-5xl) 0;
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.concert-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent-gold);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3xl);
  display: flex;
  gap: var(--spacing-3xl);
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--glow-gold);
  transition: all var(--transition-base);
}

.concert-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(212, 168, 50, 0.4);
}

.concert-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-xl);
  border: 2px solid var(--color-accent-gold);
  border-radius: var(--radius-md);
  min-width: 150px;
}

.date-day {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

.date-number {
  font-family: var(--font-heading);
  font-size: var(--font-size-6xl);
  color: var(--color-accent-gold);
  line-height: 1;
  margin: var(--spacing-sm) 0;
}

.date-month {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

.concert-details h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-md);
}

.concert-details p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.concert-tagline {
  font-style: italic;
  color: var(--color-accent-cyan) !important;
  margin-top: var(--spacing-md) !important;
}

/* About Section */
.about-section {
  padding: var(--spacing-5xl) 0;
  background: var(--color-bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-content .section-header {
  text-align: left;
  margin-bottom: var(--spacing-2xl);
}

.about-content .section-header .header-line {
  margin: 0;
}

.about-intro {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text-primary);
}

.members {
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-xl);
  background: var(--color-bg-card);
  border-left: 3px solid var(--color-accent-gold);
  border-radius: var(--radius-md);
}

.members h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-md);
}

.members ul {
  list-style: none;
}

.members li {
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.members li:last-child {
  border-bottom: none;
}

.about-philosophy,
.about-tagline {
  margin-top: var(--spacing-xl);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.about-tagline {
  font-style: italic;
  color: var(--color-accent-cyan);
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
}

/* Concept Section */
.concept-section {
  padding: var(--spacing-5xl) 0;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.concept-image {
  margin-bottom: var(--spacing-4xl);
  text-align: center;
}

.concept-image img {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.concept-intro {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  text-align: center;
  max-width: 900px;
  margin: 0 auto var(--spacing-4xl);
  color: var(--color-text-primary);
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.theme-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.theme-card:hover {
  border-color: var(--color-accent-gold);
  transform: translateY(-4px);
  box-shadow: var(--glow-gold);
}

.theme-card h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  letter-spacing: 0.05em;
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-md);
}

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

/* Tracklist Section */
.tracklist-section {
  padding: var(--spacing-5xl) 0;
  background: var(--color-bg-primary);
}

.tracks-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.track-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.track-card:hover {
  border-color: var(--color-accent-gold);
}

.track-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  cursor: pointer;
  user-select: none;
}

.track-number {
  font-family: var(--font-mono);
  font-size: var(--font-size-xl);
  color: var(--color-accent-gold);
  min-width: 40px;
}

.track-info {
  flex: 1;
}

.track-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.track-vocals {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.track-expand-icon {
  font-size: var(--font-size-2xl);
  color: var(--color-accent-gold);
  transition: transform var(--transition-base);
}

.track-card.expanded .track-expand-icon {
  transform: rotate(180deg);
}

.track-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.track-card.expanded .track-body {
  max-height: 5000px;
}

.track-content {
  padding: 0 var(--spacing-xl) var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.track-concept {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-left: 3px solid var(--color-accent-cyan);
  border-radius: var(--radius-sm);
}

.track-concept h4 {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  letter-spacing: 0.05em;
  color: var(--color-accent-cyan);
  margin-bottom: var(--spacing-sm);
}

.track-concept p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-style: italic;
}

/* Artwork Section */
.artwork-section {
  padding: var(--spacing-5xl) 0;
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.artwork-intro {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3xl);
  font-style: italic;
}

.artwork-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-3xl);
}

.artwork-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.artwork-link {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.artwork-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.artwork-link img {
  width: 100%;
  height: auto;
  display: block;
  transition: all var(--transition-base);
}

.artwork-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.artwork-link:hover .artwork-overlay {
  opacity: 1;
}

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

.download-icon {
  font-size: var(--font-size-4xl);
  color: var(--color-accent-gold);
}

.download-text {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.artwork-caption {
  text-align: center;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Footer */
.site-footer {
  padding: var(--spacing-4xl) 0 var(--spacing-2xl);
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  text-align: center;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-md);
}

.footer-tagline {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xl);
}

.footer-label {
  margin-bottom: var(--spacing-lg);
}

.label-logo {
  max-width: 200px;
  height: auto;
  margin: 0 auto;
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.label-logo:hover {
  opacity: 1;
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

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

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

/* Utility Classes */
.text-center {
  text-align: center;
}

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

em {
  color: var(--color-accent-cyan);
  font-style: italic;
}