:root {
    --primary-color: #9333EA;
    --secondary-color: #6366F1;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --card-bg: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #1a1b26;
    --bg-secondary: #24283b;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --border-color: #414868;
    --card-bg: #24283b;
    --nav-bg: rgba(26, 27, 38, 0.95);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 600;
}

.brand-highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.title-icon {
    width: 28px;
    height: 28px;
    vertical-align: middle;
    margin-right: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    white-space: nowrap;
}

.mobile-login-item {
    display: none !important;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.theme-toggle:hover {
    color: var(--primary-color);
}

.sun-icon {
    display: block;
}

.moon-icon {
    display: none;
}

[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="dark"] .moon-icon {
    display: block;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Sound Controls */
.sound-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: absolute;
    left: 220px;
    top: 50%;
    transform: translateY(-50%);
}

.sound-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.sound-toggle:hover {
    color: var(--primary-color);
}

.sound-on-icon {
    display: block;
}

.sound-off-icon {
    display: none;
}

.sound-muted .sound-on-icon {
    display: none;
}

.sound-muted .sound-off-icon {
    display: block;
}

.volume-slider {
    width: 60px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Ensemble Button in Nav */
.btn-ensemble-nav {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 1.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: 95px;
    text-align: center;
}

.btn-ensemble-nav:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ensemble-nav:active {
    transform: scale(0.95);
}

.btn-ensemble-nav.playing {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    animation: ensemblePulse 2s ease-in-out infinite;
}

@keyframes ensemblePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(147, 51, 234, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(147, 51, 234, 0);
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-icon-container {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.hero-icon {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
    cursor: pointer;
    position: relative;
    transition: transform 0.3s ease;
}

.hero-icon:hover {
    transform: scale(1.05);
}

.hero-icon:active {
    transform: scale(0.95);
}

.instrument-svg {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transform: scale(0.8) rotate(-10deg);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
}

.instrument-svg.active {
    position: relative;
    opacity: 1;
    transform: scale(1) rotate(0deg);
    pointer-events: auto;
}

.click-prompt {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    animation: clickMePulse 7s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
}

.click-prompt::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--primary-color);
}

@keyframes clickMePulse {
    0%, 100% {
        opacity: 0;
        transform: translateX(-50%) translateY(5px) scale(0.9);
    }
    10%, 25% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
    }
    35% {
        opacity: 0;
        transform: translateX(-50%) translateY(-5px) scale(1.05);
    }
}

/* Code of Conduct Alert */
.code-of-conduct-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.conduct-alert {
    font-size: 1rem;
    opacity: 0;
    animation: conductPulse 7s ease-in-out infinite;
}

@keyframes conductPulse {
    0%, 100% {
        opacity: 0;
        transform: scale(0.8);
    }
    15%, 30% {
        opacity: 1;
        transform: scale(1.2);
    }
    40% {
        opacity: 0;
        transform: scale(0.8);
    }
}

.btn-ensemble {
    margin-top: 0.75rem;
    display: inline-block;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.4rem 1rem;
    border-radius: 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: lowercase;
}

.btn-ensemble:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ensemble.playing {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-slogan {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-secondary);
    border-radius: 25px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: var(--text-secondary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

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

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
}

/* Sections */
.section {
    padding: 5rem 2rem;
    background: var(--bg-primary);
}

.section-alt {
    background: var(--bg-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.about-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 1rem;
    color: white;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* How It Works */
.steps-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 3rem auto 0;
    flex-wrap: wrap;
    gap: 2rem;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
}

.step-arrow {
    font-size: 2rem;
    color: var(--text-secondary);
    flex: 0 0 auto;
}

/* Pricing Section */
.pricing-section {
    margin-bottom: 4rem;
}

.pricing-section:last-child {
    margin-bottom: 0;
}

.pricing-section-title {
    font-size: 1.75rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.12), rgba(99, 102, 241, 0.12)), var(--card-bg);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.18), rgba(99, 102, 241, 0.18)), var(--card-bg);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-card .btn {
    margin-top: auto;
    align-self: center;
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 2rem;
}

.currency {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.period {
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

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

.pricing-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-style: italic;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--card-bg);
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.contact-form button {
    align-self: flex-start;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 3rem 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-copyright {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Cookies Popup */
.cookies-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.cookies-popup.hidden {
    display: none;
}

/* Sound popup starts hidden until cookies are accepted */
.cookies-popup.sound-popup {
    display: none;
}

.cookies-triangle-wrapper {
    position: relative;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.cookies-triangle-wrapper::before {
    content: '';
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 206px solid transparent;
    border-right: 206px solid transparent;
    border-bottom: 406px solid #000;
    z-index: -1;
}

.cookies-triangle {
    background: #FFA500;
    width: 400px;
    height: 400px;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 40px 24px;
    box-sizing: border-box;
}

.popup-main-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    margin-top: -10px;
    animation: iconPulse 2s ease-in-out infinite;
}

.warning-icon {
    color: #000;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cookies-content {
    text-align: center;
    color: #000;
    max-width: 280px;
    margin-top: 12px;
}

.cookies-text {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 20px;
    font-weight: 500;
}

.cookies-link {
    color: #000;
    text-decoration: underline;
    font-weight: 600;
}

.cookies-link:hover {
    text-decoration: none;
}

.cookies-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: auto;
    width: 100%;
    margin-bottom: 8px;
}

.cookies-btn {
    padding: 8px 16px;
    border: 2px solid #000;
    background: linear-gradient(135deg, #1a1a1a, #333, #1a1a1a);
    background-size: 200% 200%;
    color: #FFA500;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 20px;
    transition: all 0.3s ease;
    min-width: 80px;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.cookies-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.cookies-accept {
    background: linear-gradient(135deg, #7c3aed, #a855f7, #7c3aed);
    background-size: 200% 200%;
    color: white;
    border-color: #7c3aed;
    animation: gradientShift 3s ease infinite;
}

.cookies-accept:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
}

.sound-decline {
    background: linear-gradient(135deg, #1a1a1a, #333, #1a1a1a);
    background-size: 200% 200%;
    color: #FFA500;
    border-color: #000;
    animation: gradientShift 3s ease infinite;
}

.sound-decline:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Animated popup icons */
@keyframes iconPulse {
    0%, 100% { 
        transform: scale(1); 
    }
    50% { 
        transform: scale(1.1); 
    }
}

.popup-main-icon svg {
    animation: iconBounce 1.5s ease-in-out infinite;
}

@keyframes iconBounce {
    0%, 100% { 
        transform: translateY(0); 
    }
    50% { 
        transform: translateY(-8px); 
    }
}

/* Animations */
.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

.fade-in.hidden {
    opacity: 0;
    transform: translateY(30px);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Auth: Login Button */
.btn-login {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Auth: User Menu */
.user-menu {
    position: relative;
    display: none;
}

.user-menu.active {
    display: block;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 2rem;
    transition: background 0.3s ease;
}

.user-menu-trigger:hover {
    background: var(--bg-secondary);
}

.user-welcome {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.user-welcome span {
    color: var(--primary-color);
    font-weight: 600;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1001;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s ease;
    text-align: left;
}

.dropdown-item:first-child {
    border-radius: 0.75rem 0.75rem 0 0;
}

.dropdown-item:hover {
    background: var(--bg-secondary);
}

.dropdown-item svg {
    color: var(--text-secondary);
}

.dropdown-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0.25rem 0;
}

.dropdown-item-danger {
    color: #EF4444;
}

.dropdown-item-danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.dropdown-item-danger svg {
    color: #EF4444;
}

/* Auth: Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 420px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Auth: Tabs */
.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.auth-tab {
    flex: 1;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

/* Auth: Forms */
.auth-form.hidden {
    display: none;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

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

.form-group input::placeholder {
    color: var(--text-secondary);
}

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.form-error {
    color: #EF4444;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    min-height: 1.25rem;
}

.form-success {
    color: #10B981;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    min-height: 1.25rem;
}

.form-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0.5rem 0;
    display: block;
    width: 100%;
    text-align: center;
}

.btn-link:hover {
    text-decoration: underline;
}

.form-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}

.form-section-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Subscription Modal */
.subscription-modal-content {
    max-width: 720px;
}

.current-plan {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

.plan-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.plan-badge {
    margin-left: auto;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.subscription-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.subscription-card {
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.subscription-card:hover {
    border-color: var(--primary-color);
}

.subscription-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.05), rgba(99, 102, 241, 0.05));
}

.subscription-card.current {
    border-color: #10B981;
}

.subscription-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.plan-price span {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.subscription-card .plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    text-align: left;
    font-size: 0.85rem;
}

.subscription-card .plan-features li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
}

.subscription-card .badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Hamburger Menu Button */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-line {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Responsive - Tablet breakpoint to prevent overlap */
@media (max-width: 1100px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.85rem;
    }
    
    .nav-actions {
        gap: 0.5rem;
        right: 1rem;
    }
    
    .user-welcome {
        display: none;
    }
    
    .btn-ensemble-nav {
        width: 85px;
        font-size: 0.65rem;
    }
}

/* Responsive Design - Mobile */
@media (max-width: 900px) {
    .nav-container {
        padding: 0.75rem 1rem;
        justify-content: flex-start;
    }

    .nav-brand {
        position: relative;
        left: 0;
        top: auto;
        transform: none;
    }

    .hamburger-menu {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 110px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-menu.active {
        display: flex !important;
    }

    .nav-menu li {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu .nav-link {
        font-size: 1.2rem;
        display: block;
    }

    .mobile-login-item {
        display: block !important;
        margin-top: 1rem;
    }

    .mobile-login-btn {
        width: 100%;
        padding: 1rem;
        font-size: 1rem;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: white;
        border: none;
        border-radius: 8px;
    }

    .nav-actions {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        padding: 0.75rem 1rem;
        display: flex;
        justify-content: center;
        gap: 0.5rem;
        z-index: 1000;
        box-shadow: var(--shadow-sm);
        transform: none;
    }

    .sound-controls {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        padding: 0.5rem 1rem;
        justify-content: center;
        gap: 0.5rem;
        z-index: 1001;
        box-shadow: var(--shadow-sm);
        transform: none;
    }

    .volume-slider {
        width: 80px;
    }
    
    .nav-actions {
        top: 100px;
    }
    
    .nav-menu {
        top: 150px;
    }

    .btn-ensemble-nav {
        width: 75px;
        font-size: 0.6rem;
        padding: 0.35rem 0.5rem;
    }

    .btn-login {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }

    .user-menu {
        position: relative;
    }

    .user-welcome {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-slogan {
        font-size: 1.25rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .btn {
        width: 100%;
    }

    .steps-container {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
    }

    .subscription-options {
        grid-template-columns: 1fr;
    }

    /* Adjust hero section for mobile controls bars */
    .hero {
        padding-top: 180px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .cookies-triangle {
        width: 300px;
        height: 300px;
        padding: 30px 24px 20px;
    }

    .cookies-triangle-wrapper::before {
        border-left: 156px solid transparent;
        border-right: 156px solid transparent;
        border-bottom: 306px solid #000;
    }

    .popup-main-icon svg {
        width: 60px;
        height: 60px;
    }

    .cookies-content {
        max-width: 200px;
    }

    .cookies-text {
        font-size: 12px;
    }

    .cookies-btn {
        font-size: 12px;
        padding: 6px 12px;
        min-width: 70px;
    }
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}