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

:root {
    --spotify-green: #1DB954;
    --spotify-green-light: #1ed760;
    --spotify-black: #191414;
    --spotify-dark: #121212;
    --spotify-gray: #282828;
    --spotify-light-gray: #b3b3b3;
    --spotify-white: #ffffff;
    --gradient-1: linear-gradient(135deg, #1DB954, #134e2f);
    --gradient-2: linear-gradient(135deg, #1DB954, #191414);
    --gradient-3: linear-gradient(135deg, #667eea, #764ba2);
    --shadow-green: 0 8px 32px rgba(29, 185, 84, 0.3);
    --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--spotify-dark);
    color: var(--spotify-white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: var(--spotify-green);
    top: -200px;
    right: -100px;
    animation: floatOrb 20s ease-in-out infinite;
}

.bg-orb-2 {
    width: 500px;
    height: 500px;
    background: #667eea;
    bottom: -200px;
    left: -100px;
    animation: floatOrb 25s ease-in-out infinite reverse;
}

.bg-orb-3 {
    width: 400px;
    height: 400px;
    background: #764ba2;
    top: 50%;
    left: 50%;
    animation: floatOrb 30s ease-in-out infinite;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(40px, 20px) scale(1.05); }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--spotify-white);
    font-size: 1.3rem;
    font-weight: 700;
}

.logo i {
    color: var(--spotify-green);
    font-size: 1.8rem;
    transition: transform 0.3s ease;
}

.logo:hover i {
    transform: rotate(20deg) scale(1.1);
}

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

.nav-links a {
    color: var(--spotify-light-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--spotify-green);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--spotify-white);
}

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 650px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    background: rgba(29, 185, 84, 0.15);
    border: 1px solid rgba(29, 185, 84, 0.3);
    border-radius: 50px;
    color: var(--spotify-green);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--spotify-green), #1ed760, #667eea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--spotify-light-gray);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: var(--spotify-green);
    color: var(--spotify-black);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-green);
}

.hero-cta:hover {
    background: var(--spotify-green-light);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(29, 185, 84, 0.4);
}

/* Vinyl Animation */
.hero-visual {
    margin-top: 3rem;
}

.vinyl-container {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto;
}

.vinyl {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: repeating-radial-gradient(
        circle at center,
        #1a1a1a 0px,
        #1a1a1a 8px,
        #2a2a2a 8px,
        #2a2a2a 9px
    );
    animation: spin 4s linear infinite;
    position: relative;
    border: 3px solid #333;
}

.vinyl-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.vinyl-label i {
    font-size: 2rem;
    color: var(--spotify-white);
}

.vinyl-shadow {
    position: absolute;
    bottom: -20px;
    left: 10%;
    width: 80%;
    height: 20px;
    background: radial-gradient(ellipse, rgba(0,0,0,0.4), transparent);
    border-radius: 50%;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Products Section */
.products-section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 1;
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--spotify-light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    justify-items: center;
}

/* Product Card */
.product-card {
    background: linear-gradient(145deg, rgba(40, 40, 40, 0.8), rgba(30, 30, 30, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(29, 185, 84, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card.featured {
    border-color: rgba(29, 185, 84, 0.3);
    background: linear-gradient(145deg, rgba(29, 185, 84, 0.1), rgba(30, 30, 30, 0.9));
}

.product-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    padding: 0.35rem 1rem;
    background: var(--spotify-green);
    color: var(--spotify-black);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: rgba(29, 185, 84, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.product-icon i {
    font-size: 1.8rem;
    color: var(--spotify-green);
}

.product-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.product-duration {
    color: var(--spotify-light-gray);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

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

.product-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.product-features li i {
    color: var(--spotify-green);
    font-size: 0.8rem;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.product-price .amount {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--spotify-white);
}

.product-price .currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--spotify-green);
}

.product-price .period {
    font-size: 0.9rem;
    color: var(--spotify-light-gray);
}

.buy-button {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 50px;
    background: var(--spotify-green);
    color: var(--spotify-black);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.buy-button:hover {
    background: var(--spotify-green-light);
    transform: scale(1.02);
    box-shadow: var(--shadow-green);
}

/* Features Section */
.features-section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: rgba(40, 40, 40, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(29, 185, 84, 0.2);
    background: rgba(40, 40, 40, 0.8);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(29, 185, 84, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.2rem;
}

.feature-icon i {
    font-size: 1.4rem;
    color: var(--spotify-green);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--spotify-light-gray);
    font-size: 0.9rem;
}

/* FAQ Section */
.faq-section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 1;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(40, 40, 40, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(29, 185, 84, 0.2);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-weight: 600;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--spotify-green);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--spotify-green);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
    color: var(--spotify-light-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Footer */
.footer {
    padding: 3rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: 1;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-brand i {
    color: var(--spotify-green);
    font-size: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--spotify-light-gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-copy {
    color: rgba(179, 179, 179, 0.5);
    font-size: 0.85rem;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

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

.modal {
    background: var(--spotify-gray);
    border-radius: 24px;
    width: 100%;
    max-width: 440px;
    overflow: hidden;
    animation: modalIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: 1.5rem 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--spotify-light-gray);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--spotify-white);
}

.modal-body {
    padding: 1.5rem;
}

.modal-product-info {
    margin-bottom: 1rem;
}

.modal-product-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.modal-product-info p {
    color: var(--spotify-light-gray);
    font-size: 0.9rem;
}

.modal-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 1rem 0;
}

.modal-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.buy-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: var(--spotify-green);
    color: var(--spotify-black);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.buy-btn:hover {
    background: var(--spotify-green-light);
    transform: scale(1.02);
    box-shadow: var(--shadow-green);
}

.modal-note {
    text-align: center;
    margin-top: 1rem;
    color: rgba(179, 179, 179, 0.6);
    font-size: 0.8rem;
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; opacity: 0; }
.delay-2 { animation-delay: 0.4s; opacity: 0; }
.delay-3 { animation-delay: 0.6s; opacity: 0; }

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

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

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

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

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--spotify-gray);
    border: 1px solid var(--spotify-green);
    border-radius: 12px;
    color: var(--spotify-white);
    font-weight: 500;
    z-index: 3000;
    animation: toastIn 0.4s ease, toastOut 0.4s ease 2.6s forwards;
    box-shadow: var(--shadow-dark);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(20px); }
}