/* ==========================================
   GLASSMORPHISM COMPONENTS
   Ispirazione: Apple Liquid Glass
   ========================================== */

/* ==========================================
   Glass Cards
   ========================================== */

.glass-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 24px;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-glass);
    transform: translateZ(0);
    backface-visibility: hidden;
    will-change: transform;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.02) 50%,
        rgba(111, 183, 178, 0.05) 100%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-glass);
}

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

.glass-card:hover {
    transform: translateY(-4px) translateZ(0);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 20px 60px rgba(31, 58, 95, 0.08),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

/* ==========================================
   Manifesto Card
   ========================================== */

.manifesto {
    padding: var(--space-xxl) 0;
}

.manifesto-card {
    max-width: 800px;
    margin: 0 auto;
}

.manifesto-content h2 {
    margin-bottom: var(--space-md);
    text-align: center;
}

.manifesto-content p {
    margin-bottom: var(--space-md);
    text-align: justify;
    text-align-last: center;
    line-height: 1.9;
}

.manifesto-content p:last-child {
    margin-bottom: 0;
}

/* ==========================================
   Preview Grid
   ========================================== */

.preview-section {
    padding: var(--space-xxl) 0;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.preview-item {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--duration-normal) var(--ease-glass);
}

.preview-item:hover {
    transform: scale(1.02);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--space-md);
    background: linear-gradient(
        to top,
        rgba(31, 58, 95, 0.9) 0%,
        rgba(31, 58, 95, 0.6) 50%,
        transparent 100%
    );
    backdrop-filter: blur(12px);
    color: white;
    transform: translateY(100%);
    transition: transform var(--duration-normal) var(--ease-glass);
}

.preview-item:hover .preview-overlay {
    transform: translateY(0) translateZ(0);
}

.preview-overlay h3 {
    font-size: 1.5rem;
    color: white;
    margin-bottom: var(--space-xs);
}

.preview-overlay p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ==========================================
   Vetro Preview Card
   ========================================== */

.vetro-preview {
    padding: var(--space-xl) 0;
}

.vetro-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.vetro-card h2 {
    margin-bottom: var(--space-md);
}

.vetro-card p {
    margin-bottom: var(--space-md);
    line-height: 1.9;
}

.link-subtle {
    display: inline-block;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--acqua-marina);
    transition: all var(--duration-fast) var(--ease-glass);
}

.link-subtle:hover {
    transform: translateX(4px);
}

/* ==========================================
   Acquista Section
   ========================================== */

.acquista-section {
    padding: var(--space-xl) 0;
}

.acquista-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.acquista-card h2 {
    margin-bottom: var(--space-md);
}

.acquista-description {
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.acquista-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.prezzo {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--lapislazuli);
}

.prezzo-note {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ==========================================
   Buttons
   ========================================== */

.btn-primary {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--gradient-laguna);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--duration-normal) var(--ease-glass);
    box-shadow: 
        0 8px 24px rgba(111, 183, 178, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 16px 40px rgba(111, 183, 178, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset;
    opacity: 1;
}

.btn-glass {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    color: var(--lapislazuli);
    transition: all var(--duration-normal) var(--ease-glass);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    opacity: 1;
}

.section-cta {
    text-align: center;
    margin-top: var(--space-lg);
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    padding: var(--space-xl) 0 var(--space-md);
    background: rgba(31, 58, 95, 0.03);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(31, 58, 95, 0.08);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.footer-brand p {
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    font-size: 0.9rem;
    opacity: 0.8;
    transition: opacity var(--duration-fast) var(--ease-glass);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(31, 58, 95, 0.08);
}

.footer-bottom p {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 768px) {
    .glass-card {
        padding: var(--space-md);
        border-radius: 16px;
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
}