/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #673AB7 0%, #512DA8 50%, #4527A0 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.tagline {
    font-size: 22px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.play-badge img {
    height: 80px;
    transition: transform 0.2s;
}

.play-badge:hover img {
    transform: scale(1.05);
}

/* Features section */
.features {
    padding: 60px 20px;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #512DA8;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.feature {
    text-align: center;
    padding: 20px;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.feature p {
    color: #666;
    font-size: 15px;
}

/* Screenshots section */
.screenshots {
    padding: 60px 20px;
    background: #f5f5f5;
}

.screenshots h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #512DA8;
}

.screenshot-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
}

.screenshot-scroll img {
    height: 500px;
    width: auto;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    scroll-snap-align: center;
    flex-shrink: 0;
}

/* How it works section */
.how-it-works {
    padding: 60px 20px;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: #512DA8;
}

.how-it-works > .container > p {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px;
    color: #555;
}

.wave-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin: 30px 0;
}

.wave-type {
    background: linear-gradient(135deg, #673AB7, #512DA8);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    text-align: center;
}

.wave-type strong {
    display: block;
    font-size: 16px;
    margin-bottom: 5px;
}

.wave-type span {
    font-size: 14px;
    opacity: 0.9;
}

.headphones-note {
    text-align: center;
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 15px 20px;
    border-radius: 8px;
    margin-top: 30px;
    color: #856404;
}

/* Presets section */
.presets {
    padding: 60px 20px;
    background: #f5f5f5;
}

.presets h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 30px;
    color: #512DA8;
}

.preset-list {
    max-width: 600px;
    margin: 0 auto;
    list-style: none;
}

.preset-list li {
    padding: 12px 0;
    border-bottom: 1px solid #ddd;
}

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

.preset-list strong {
    color: #512DA8;
}

.preset-note {
    text-align: center;
    margin-top: 20px;
    color: #666;
    font-style: italic;
}

/* Footer */
footer {
    background: #333;
    color: white;
    padding: 30px 20px;
    text-align: center;
}

footer a {
    color: #1DE9B6;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

footer p {
    margin: 5px 0;
}

/* Privacy page styles */
.header-simple {
    background: linear-gradient(135deg, #673AB7 0%, #512DA8 100%);
    color: white;
    padding: 40px 20px;
}

.header-simple h1 {
    font-size: 36px;
}

.back-link {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 15px;
}

.back-link:hover {
    color: white;
}

.privacy-content {
    padding: 40px 20px;
    background: white;
    min-height: calc(100vh - 250px);
}

.privacy-content .container {
    max-width: 700px;
}

.last-updated {
    color: #666;
    margin-bottom: 30px;
}

.privacy-content section {
    margin-bottom: 30px;
}

.privacy-content h2 {
    font-size: 24px;
    color: #512DA8;
    margin-bottom: 15px;
}

.privacy-content ul {
    margin-left: 25px;
    margin-top: 10px;
}

.privacy-content li {
    margin-bottom: 8px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .tagline {
        font-size: 18px;
    }

    .app-icon {
        width: 100px;
        height: 100px;
    }

    .features h2,
    .screenshots h2,
    .how-it-works h2,
    .presets h2 {
        font-size: 26px;
    }

    .screenshot-scroll img {
        height: 400px;
    }
}