/* Responsive Design and Animations */

/* Floating Particles Effect */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--purple-400);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatParticle 20s infinite;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

/* Loading Animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-icon {
    width: 60px;
    height: 60px;
    border: 3px solid var(--glass-border-purple);
    border-top-color: var(--purple-400);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

/* Glow Effects */
.glow-purple {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

.glow-pink {
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --space-xs: 0.25rem;
        --space-sm: 0.5rem;
        --space-md: 1rem;
        --space-lg: 1.5rem;
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
    }

    .mobile-toggle {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .nav-menu,
    .nav-buttons {
        display: none;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .album-showcase {
        max-width: 350px;
    }

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

    .pricing-card.featured {
        transform: none;
    }

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

    .glass-card {
        padding: var(--space-lg);
    }

    .how-it-works {
        padding: var(--space-2xl) 0;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .step::before {
        display: none;
    }

    .step-number {
        width: 80px;
        height: 80px;
        font-size: 1.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }

    .about-text {
        order: 2;
    }

    .about-visual {
        order: 1;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }

    .footer-brand p {
        max-width: none;
        margin: 0 auto var(--space-lg);
    }

    .footer-social {
        justify-content: center;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 5rem 0 2rem;
    }

    .mobile-menu-content {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-start;
        padding-top: 5rem;
    }

    .mobile-nav {
        width: 50%;
        text-align: left;
        margin-bottom: 0;
    }

    .mobile-menu-buttons {
        width: 50%;
        max-width: none;
    }

    .hero-visual {
        display: none;
    }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 var(--space-lg);
    }

    .hero-container {
        gap: var(--space-xl);
    }

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

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

    .pricing-card.featured {
        transform: scale(1.02);
    }
}