:root {
    --primary-green: #1a5c3a;
    --dark-green: #0d3d27;
    --accent-green: #2d7a52;
    --light-green: #3a8f5f;
    --black: #000000;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #cccccc;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: rgba(29, 92, 58, 0.3);
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* HEADER & NAVIGATION */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.95), rgba(0,0,0,0.85));
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 2px solid var(--primary-green);
}

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

.logo-container {
    flex-shrink: 0;
}

.logo {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-green);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover {
    color: var(--light-green);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    background: transparent;
    border: none;
    padding: 0.5rem;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--primary-green);
    transition: 0.3s;
}

/* HERO SECTION */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-green) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(29, 92, 58, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(29, 92, 58, 0.2) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    z-index: 2;
}

.hero-title {
    font-size: 8rem;
    font-weight: 900;
    letter-spacing: 15px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 80px rgba(29, 92, 58, 0.5);
    animation: fadeInUp 1s ease;
}

/* Hero logo (replaces hero-title H1) */
.hero-logo {
    width: 70%;
    max-width: 720px;
    height: auto;
    display: block;
    margin: 0 auto 1rem;
}

.hero-subtitle {
    font-size: 2rem;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--light-gray);
    margin-bottom: 2rem;
    animation: fadeInUp 1.2s ease;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--primary-green);
    font-weight: 600;
    letter-spacing: 3px;
    animation: fadeInUp 1.4s ease;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--light-green);
}

.arrow-down {
    width: 2px;
    height: 30px;
    background: var(--primary-green);
    position: relative;
}

.arrow-down::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--primary-green);
    border-bottom: 2px solid var(--primary-green);
    transform: rotate(45deg);
}

/* SECTIONS */
.section {
    padding: 6rem 0;
    position: relative;
}

.section:nth-child(even) {
    background: var(--dark-gray);
}

.section:nth-child(odd) {
    background: var(--black);
}

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

.section-title {
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 5px;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 5px;
    background: var(--primary-green);
}

/* ABOUT SECTION */
.about-content {
    display: grid;
    gap: 4rem;
}

.about-text {
    font-size: 1.3rem;
    line-height: 2;
    color: var(--light-gray);
}

.about-text p {
    margin-bottom: 1.5rem;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.member {
    text-align: center;
    padding: 2rem;
    background: var(--medium-gray);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    will-change: transform;
}

.member:hover {
    border-color: var(--primary-green);
    transform: translateY(-10px);
}

.member-photo {
    width: 180px;
    height: 180px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--dark-green), var(--primary-green));
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.member-voice {
    color: var(--light-green);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* CONCERTS SECTION */
.concerts-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.concert-item {
    display: flex;
    align-items: center;
    padding: 2rem;
    background: var(--medium-gray);
    border-left: 5px solid var(--primary-green);
    transition: all 0.3s ease;
    will-change: transform;
}

.concert-item:hover {
    background: var(--dark-green);
    transform: translateX(10px);
}

.concert-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
    margin-right: 2rem;
}

.date-day {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-green);
    line-height: 1;
}

.date-month {
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--light-gray);
}

.concert-details {
    flex: 1;
}

.concert-details h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.concert-venue,
.concert-time {
    color: var(--light-gray);
    font-size: 1.1rem;
}

.concert-btn {
    padding: 1rem 2.5rem;
    background: var(--primary-green);
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-green);
}

.concert-btn:hover {
    background: transparent;
    color: var(--primary-green);
}

/* MEDIA SECTION */
.media-content {
    display: grid;
    gap: 4rem;
}

.media-content h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--light-green);
}

.audio-section {
    background: var(--medium-gray);
    padding: 3rem;
    border: 2px solid var(--primary-green);
    margin-bottom: 3rem;
}

.audio-players-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.player {
    max-width: 800px;
    background: var(--dark-gray);
    padding: 2rem;
    border-radius: 8px;
    transition: opacity 0.3s ease, max-height 0.3s ease;
}

.player.audio-hidden {
    display: none;
}

.track-info {
    margin-bottom: 2rem;
}

.track-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.track-artist {
    color: var(--light-gray);
    font-size: 1.1rem;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.play-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-green);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    flex-shrink: 0;
}

.play-btn:hover {
    background: var(--light-green);
    transform: scale(1.1);
}

.play-icon,
.pause-icon {
    font-size: 24px;
    color: var(--white);
    display: block;
    pointer-events: none;
    flex-shrink: 0;
    line-height: 1;
}

.play-icon.hidden,
.pause-icon.hidden {
    display: none !important;
}

.hidden {
    display: none;
}

.progress-container {
    flex: 1;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--dark-gray);
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 0.5rem;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-green);
    width: 0;
    transition: width 0.1s linear;
}

.time-display {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--light-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.gallery-item {
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--dark-green), var(--primary-green));
    transition: transform 0.3s ease;
    cursor: pointer;
    overflow: hidden;
    display: none;
    will-change: transform;
}

.gallery-item.visible {
    display: block;
}

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

.gallery-item:hover {
    transform: scale(1.05);
}

.show-more-btn {
    margin-top: 2rem;
    padding: 1rem 3rem;
    background: var(--primary-green);
    color: var(--white);
    border: 2px solid var(--primary-green);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: none;
}

.show-more-btn.visible {
    display: inline-block;
}

.show-more-btn:hover {
    background: transparent;
    color: var(--primary-green);
}

.show-more-audio-btn {
    margin-top: 2rem;
    padding: 1rem 3rem;
    background: var(--primary-green);
    color: var(--white);
    border: 2px solid var(--primary-green);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.show-more-audio-btn:hover {
    background: transparent;
    color: var(--primary-green);
}

/* VIDEO SECTION */
.video-section {
    background: var(--medium-gray);
    padding: 3rem;
    border: 2px solid var(--primary-green);
    margin-bottom: 3rem;
}

.videos-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.video-item {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.video-player {
    width: 100%;
    height: auto;
    border-radius: 8px;
    background: var(--black);
    display: block;
    /* Optimize video rendering */
    will-change: contents;
    /* Ensure video can be scrubbed properly */
    object-fit: contain;
    /* Better video controls visibility */
    min-height: 200px;
}

.video-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    text-align: center;
}

/* CONTACT SECTION */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--light-green);
}

.contact-info p {
    font-size: 1.2rem;
    color: var(--light-gray);
    margin-bottom: 2rem;
}

.info-item {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--light-gray);
}

.info-item strong {
    color: var(--primary-green);
    display: inline-block;
    min-width: 80px;
}

.social-links {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.social-link {
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-green);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-green);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    background: var(--medium-gray);
    border: 2px solid transparent;
    color: var(--white);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--light-gray);
}

.submit-btn {
    padding: 1.2rem 3rem;
    background: var(--primary-green);
    color: var(--white);
    border: 2px solid var(--primary-green);
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: transparent;
    color: var(--primary-green);
}

.form-message {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    display: block;
    background: var(--primary-green);
    color: var(--white);
}

.form-message.error {
    display: block;
    background: #c41e3a;
    color: var(--white);
}

/* FOOTER */
footer {
    background: var(--black);
    border-top: 2px solid var(--primary-green);
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo img {
    height: 50px;
    width: auto;
}

footer p {
    color: var(--light-gray);
    font-size: 0.9rem;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ACCESSIBILITY - FOCUS STYLES */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 3px solid var(--light-green);
    outline-offset: 2px;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--light-green);
    outline-offset: 2px;
}

.nav-menu a:focus {
    color: var(--light-green);
}

.hamburger:focus {
    outline: 3px solid var(--light-green);
    outline-offset: 2px;
}

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

    html {
        scroll-behavior: auto;
    }
}

/* MOBILE RESPONSIVE */

/* Large Desktop Optimization (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 1600px;
    }

    .gallery-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Laptop/Tablet Landscape (1024px - 1400px) */
@media (max-width: 1400px) {
    nav {
        padding: 0 1.5rem;
    }

    .container {
        padding: 0 1.5rem;
    }
}

/* Tablet Landscape (1024px) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 6rem;
        letter-spacing: 10px;
    }

    .section-title {
        font-size: 3rem;
    }

    .about-text {
        font-size: 1.2rem;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablet Portrait (768px) */
@media (max-width: 768px) {
    /* Navigation - Optimized for Touch */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--black);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-top: 2px solid var(--primary-green);
        gap: 0;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 1.2rem 2rem;
        font-size: 1.2rem;
        min-height: 48px; /* Touch target optimization */
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
        padding: 0.5rem; /* Larger touch area */
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }

    /* Hero Section */
    .hero-title {
        font-size: 4.5rem;
        letter-spacing: 8px;
    }

    .hero-subtitle {
        font-size: 1.5rem;
        letter-spacing: 4px;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }

    /* Sections */
    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2.5rem;
        letter-spacing: 3px;
    }

    .about-text {
        font-size: 1.1rem;
        line-height: 1.8;
    }

    .members-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    /* Concert Items - Better Mobile Layout */
    .concert-item {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .concert-date {
        margin-right: 0;
        margin-bottom: 1.5rem;
    }

    .concert-btn {
        margin-top: 1.5rem;
        padding: 1rem 2rem;
        min-height: 48px; /* Touch target */
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* Media Section */
    .audio-section {
        padding: 2rem;
    }
    
    .video-section {
        padding: 2rem;
    }

    .player-controls {
        gap: 1.5rem;
    }

    /* Contact Section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .social-links {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .social-link {
        padding: 0.8rem 1.2rem;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    /* Gallery */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .show-more-btn {
        padding: 1rem 2rem;
        min-height: 48px;
    }
}

/* Mobile Landscape & Large Phones (600px) */
@media (max-width: 600px) {
    nav {
        padding: 0 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .logo {
        height: 50px;
    }

    .hero-title {
        font-size: 3.5rem;
        letter-spacing: 6px;
    }

    .hero-subtitle {
        font-size: 1.3rem;
        letter-spacing: 3px;
    }

    .section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 2.2rem;
    }

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

    .member {
        padding: 1.5rem;
    }

    .member-photo {
        width: 150px;
        height: 150px;
    }

    /* Audio Player - Stack on Small Screens */
    .player-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .play-btn {
        align-self: center;
    }

    /* Form Optimization for Touch */
    .form-group input,
    .form-group textarea {
        padding: 1rem;
        font-size: 16px; /* Prevents zoom on iOS */
        min-height: 48px;
    }

    .submit-btn {
        padding: 1rem 2rem;
        min-height: 48px;
        width: 100%;
    }

    .concert-details h3 {
        font-size: 1.5rem;
    }
}

/* Small Mobile (480px) */
@media (max-width: 480px) {
    .logo {
        height: 45px;
    }

    .hero {
        min-height: 100vh;
        min-height: -webkit-fill-available; /* Fix for mobile browsers */
    }

    .hero-title {
        font-size: 2.8rem;
        letter-spacing: 4px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .hero-tagline {
        font-size: 1rem;
        letter-spacing: 2px;
    }

    .section-title {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }

    .section-title::after {
        width: 60px;
        height: 4px;
    }

    .about-text {
        font-size: 1rem;
        line-height: 1.7;
    }

    .members-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .member-photo {
        width: 120px;
        height: 120px;
    }

    .member h3 {
        font-size: 1.3rem;
    }

    .concert-date {
        min-width: 80px;
    }

    .date-day {
        font-size: 2.5rem;
    }

    .date-month {
        font-size: 1rem;
    }

    .concert-details h3 {
        font-size: 1.3rem;
    }

    .concert-venue,
    .concert-time {
        font-size: 1rem;
    }

    .audio-section {
        padding: 1.5rem;
    }
    
    .video-section {
        padding: 1.5rem;
    }
    
    .videos-container {
        grid-template-columns: 1fr;
    }

    .media-content h3 {
        font-size: 1.5rem;
    }

    .track-title {
        font-size: 1.2rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .contact-info h3 {
        font-size: 1.5rem;
    }

    .info-item {
        font-size: 1rem;
    }

    .social-links {
        flex-direction: column;
        gap: 0.8rem;
    }

    .social-link {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

/* Extra Small Mobile (360px) */
@media (max-width: 360px) {
    .hero-title {
        font-size: 2.3rem;
        letter-spacing: 3px;
    }

    .section {
        padding: 2.5rem 0;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .container {
        padding: 0 0.8rem;
    }
}