/* ===========================
   Simple Dropdown Scrolling Page
   =========================== */

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

:root {
    --color-primary: #ff4500;
    --color-secondary: #00ffff;
    --color-accent: #9b59b6;
    --color-light: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url(wireframe/landing-bg.jpg) center/cover fixed;
    color: var(--color-light);
    line-height: 1.8;
    min-height: 100vh;
    position: relative;
}

/* Faded overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 0;
}

/* Main Header */
.main-header {
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
    z-index: 1;
    animation: slideDown 0.8s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(255, 69, 0, 0.3);
}

.main-subtitle {
    font-size: clamp(1rem, 3vw, 1.3rem);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    font-style: italic;
}

/* Info Sections */
.info-section {
    max-width: 800px;
    margin: 0 auto 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease backwards;
}

.info-section:nth-child(2) { animation-delay: 0.2s; }
.info-section:nth-child(3) { animation-delay: 0.4s; }
.info-section:nth-child(4) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-heading {
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 700;
}

.info-text {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    line-height: 1.8;
}

/* Instructions */
.instructions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.instruction-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border-left: 4px solid var(--color-primary);
    transition: all 0.3s ease;
}

.instruction-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.instruction-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(255, 69, 0, 0.4);
}

.instruction-text {
    flex: 1;
    font-size: clamp(0.95rem, 2.5vw, 1.05rem);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Audio Section */
.audio-section {
    background: rgba(155, 89, 182, 0.15);
    border-color: var(--color-accent);
}

.audio-player-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.audio-info-box {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    min-width: 300px;
}

.audio-icon {
    font-size: 3rem;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.audio-details {
    flex: 1;
}

.audio-track {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-light);
    margin-bottom: 0.25rem;
}

.audio-artist {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

.audio-description {
    text-align: center;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

/* Play Button */
.play-button-container {
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease 0.8s backwards;
}

.play-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 4rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-light);
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 15px 40px rgba(255, 69, 0, 0.5);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.play-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.play-button:hover::before {
    width: 400px;
    height: 400px;
}

.play-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 60px rgba(255, 69, 0, 0.7);
}

.play-icon {
    font-size: 2rem;
}

.play-text {
    position: relative;
    z-index: 1;
}

/* Footer */
.page-footer {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
    margin-top: 2rem;
    animation: fadeIn 1s ease 1s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.footer-tribute {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.footer-versions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.version-link-small {
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.version-link-small:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: rgba(255, 69, 0, 0.1);
    transform: translateY(-2px);
}

.recommended-small {
    color: #ffa500;
    font-weight: 600;
}

.version-separator {
    color: rgba(255, 255, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header {
        padding: 2rem 1rem;
    }
    
    .info-section {
        margin: 0 1rem 1.5rem;
        padding: 1.5rem;
    }
    
    .audio-info-box {
        flex-direction: column;
        text-align: center;
        min-width: auto;
    }
    
    .play-button {
        padding: 1.2rem 3rem;
        font-size: 1.2rem;
    }
    
    .instruction-item {
        flex-direction: column;
        text-align: center;
    }
}