/* CSS Variables */
:root {
    --color-primary: #2E7D32;
    --color-secondary: #4CAF50;
    --color-accent: #66BB6A;
    --color-dark: #1B5E20;
    --color-light: #E8F5E9;
    --color-white: #FFFFFF;
    --color-text: #333333;
    --color-text-light: #666666;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: Georgia, 'Times New Roman', serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: #f5f5f0;
    background-image: url('../images/bgcocco.gif');
    background-size: auto;
    background-repeat: repeat;
    background-attachment: fixed;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1001;
    width: 3rem;
    height: 3rem;
    background: var(--color-primary);
    border-radius: 0.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.4rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.mobile-menu-toggle span {
    width: 1.5rem;
    height: 0.2rem;
    background: var(--color-white);
    border-radius: 0.1rem;
    transition: var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(0.5rem, 0.5rem);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(0.5rem, -0.5rem);
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transform: translateY(-100%);
    transition: var(--transition-normal);
}

.main-nav.active {
    transform: translateY(0);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.nav-logo h1 {
    color: var(--color-primary);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.nav-link {
    display: block;
    padding: 1rem;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-light);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background: var(--color-light);
    color: var(--color-primary);
}

.install-btn {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    color: var(--color-primary);
    font-weight: 600;
}

.install-btn:hover {
    background: var(--color-light) !important;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    background-image: 
        linear-gradient(135deg, rgba(46, 125, 50, 0.75) 0%, rgba(76, 175, 80, 0.75) 100%),
        url('../images/bgcocco.gif');
    background-size: cover, auto;
    background-position: center;
    text-align: center;
    padding: var(--spacing-md);
}

.hero-content {
    max-width: 600px;
}

.hero-logo {
    max-width: 300px;
    margin: 0 auto var(--spacing-md);
}

.hero-title {
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--color-white);
    color: var(--color-primary);
    border-radius: 2rem;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

/* Concert Section */
.concert-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-sm);
    text-align: center;
}

.concert-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.concert-subtitle {
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.concert-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) auto;
    max-width: 600px;
}

.concert-date,
.concert-location {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    text-align: left;
}

.concert-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.concert-date strong,
.concert-location strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.concert-date p,
.concert-location p {
    margin: 0;
    opacity: 0.9;
}

.calendar-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding: 1rem 2rem;
    background: var(--color-white);
    color: var(--color-primary);
    border: none;
    border-radius: 2rem;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.calendar-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--color-light);
}

.calendar-icon {
    width: 24px;
    height: 24px;
}

.concert-image {
    margin-top: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.concert-image img {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    background-color: #74b876;
}

@media (min-width: 768px) {
    .concert-details {
        flex-direction: row;
        gap: var(--spacing-lg);
    }
    
    .concert-date,
    .concert-location {
        flex: 1;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-sm);
}

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

.section-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.section-intro {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

/* Music Section */
.music-section {
    background: var(--color-light);
}

.audio-player {
    background: var(--color-white);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.player-main {
    padding: var(--spacing-md);
}

.player-info {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    align-items: center;
}

.album-art {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--color-light);
    border-radius: 0.5rem;
    overflow: hidden;
}

.album-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.track-info {
    flex: 1;
    min-width: 0;
}

.track-title {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--color-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-artist {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.player-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.control-btn {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.control-btn:hover {
    background: var(--color-accent);
}

.play-btn {
    width: 4rem;
    height: 4rem;
    background: var(--color-primary);
}

.play-btn:hover {
    background: var(--color-secondary);
}

.control-btn svg {
    width: 60%;
    height: 60%;
    fill: var(--color-dark);
}

.play-btn svg {
    fill: var(--color-white);
}

.pause-icon {
    display: none;
}

.playing .play-icon {
    display: none;
}

.playing .pause-icon {
    display: block;
}

.player-progress {
    margin-bottom: var(--spacing-md);
}

.time-display {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.progress-bar {
    position: relative;
    height: 6px;
    background: var(--color-light);
    border-radius: 3px;
    cursor: pointer;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--color-primary);
    border-radius: 3px;
    transition: width 0.1s linear;
}

.progress-slider {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 6px;
    transform: translateY(-50%);
    opacity: 0;
    cursor: pointer;
}

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

.volume-icon {
    width: 1.5rem;
    height: 1.5rem;
    fill: var(--color-text-light);
    flex-shrink: 0;
}

.volume-slider {
    flex: 1;
    -webkit-appearance: none;
    height: 4px;
    background: var(--color-light);
    border-radius: 2px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
}

.volume-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Playlist */
.playlist {
    background: var(--color-light);
    padding: var(--spacing-md);
}

.playlist h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.playlist-items {
    list-style: none;
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.playlist-item:hover {
    background: var(--color-white);
}

.playlist-item.active {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.track-number {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--color-primary);
    font-size: 0.875rem;
}

.playlist-item.active .track-number {
    background: var(--color-primary);
    color: var(--color-white);
}

.track-name {
    flex: 1;
    font-size: 0.95rem;
}

.track-duration {
    flex-shrink: 0;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Lyrics Section */
.lyrics-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.lyrics-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.lyrics-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.lyrics-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.lyrics-excerpt {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 2rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-secondary);
}

/* Storia Section */
.storia-section {
    background: var(--color-white);
}

.storia-subtitle {
    text-align: center;
    color: var(--color-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-secondary);
    font-style: italic;
}

.storia-content {
    max-width: 800px;
    margin: 0 auto;
}

.storia-content p {
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

.storia-content strong {
    color: var(--color-primary);
}

.banda-info {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.storia-image {
    max-width: 100%;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    margin: 0 auto var(--spacing-sm);
}

.image-caption {
    color: var(--color-text-light);
    font-style: italic;
    font-size: 0.9rem;
}

/* Reunion 2010 Section */
.reunion-section {
    background: var(--color-white);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0.75rem;
    background: #000;
}

/* Gallery Section */
.gallery-section {
    background: var(--color-light);
}

.gallery-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    justify-content: center;
}

.gallery-tab {
    padding: 0.75rem 1.5rem;
    background: var(--color-white);
    color: var(--color-text);
    border-radius: 2rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.gallery-tab:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.gallery-tab.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 0.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Manifesto Section */
.manifesto-section {
    background: var(--color-white);
}

.manifesto-content {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.manifesto-image {
    max-width: 100%;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
}

/* Footer */
.site-footer {
    background: var(--color-dark);
    color: var(--color-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.footer-brand h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.footer-links a {
    color: var(--color-light);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 3rem;
    height: 3rem;
    color: var(--color-white);
    font-size: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    z-index: 2001;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    color: var(--color-white);
    font-size: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    z-index: 2001;
}

.lightbox-prev {
    left: 1rem;
}

.lightbox-next {
    right: 1rem;
}

.lightbox-image {
    max-width: 100vw;
    max-height: 100vh;
    width: 100vw;
    height: 100vh;
    object-fit: contain;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Lyrics Modal */
.lyrics-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

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

.lyrics-modal-content {
    background: var(--color-white);
    border-radius: 0.5rem;
    max-width: 900px;
    max-height: 85vh;
    width: 100%;
    overflow-y: auto;
    padding: 1rem;
    position: relative;
}

.lyrics-modal-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.5rem;
    background: var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lyrics-modal-title {
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    padding-right: 3rem;
    font-size: 1.8rem;
}

/* Lettera Modal */
.lettera-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

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

.lettera-modal-content {
    position: relative;
    max-width: 95%;
    max-height: 95%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lettera-modal-close {
    position: absolute;
    top: -3rem;
    right: 0;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 2rem;
    color: var(--color-light);
    background: transparent;
    border: 2px solid var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lettera-modal-close:hover {
    background: var(--color-light);
    color: var(--color-dark);
}

.lettera-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 0.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.lettera-link {
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
}

.lettera-link:hover {
    color: var(--color-secondary);
}

.lyrics-modal-body {
    white-space: pre-wrap;
    font-family: 'Courier New', 'Monaco', 'Consolas', monospace;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    padding: 0.75rem;
    background: #f9f9f9;
    border-radius: 0.5rem;
    border-left: 4px solid var(--color-secondary);
}

/* Tablet and Desktop - more spacing */
@media (min-width: 768px) {
    .lyrics-modal {
        padding: var(--spacing-md);
    }
    
    .lyrics-modal-content {
        border-radius: 1rem;
        max-height: 85vh;
        padding: var(--spacing-lg);
    }
    
    .lyrics-modal-close {
        top: 1rem;
        right: 1rem;
    }
    
    .lyrics-modal-title {
        margin-bottom: var(--spacing-lg);
    }
    
    .lyrics-modal-body {
        padding: var(--spacing-md);
    }
}

/* Tablet Styles */
@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
    
    .main-nav {
        transform: translateY(0);
    }
    
    .nav-menu {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        border-bottom: none;
        border-radius: 0.5rem;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .container {
        padding: var(--spacing-md) var(--spacing-md);
    }
    
    .lyrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .player-info {
        gap: var(--spacing-md);
    }
    
    .album-art {
        width: 120px;
        height: 120px;
    }
    
    .lyrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}