/* Explain: Styles for UI components like glassmorphism, 3D buttons, and responsive elements. - */
.ios-glass {
    background: color-mix(in srgb, var(--surface-color) 60%, transparent) !important;
    backdrop-filter: blur(24px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
    border: 1px solid color-mix(in srgb, var(--surface-color) 70%, transparent) !important;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07) !important;
}

.ios-glass-dark {
    background: color-mix(in srgb, var(--navy-color) 60%, transparent) !important;
    backdrop-filter: blur(24px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
    border: 1px solid color-mix(in srgb, var(--surface-color) 20%, transparent) !important;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3) !important;
}

.eyebrow {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.publication-rule {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--background-color) 88%, transparent);
    backdrop-filter: blur(18px);
}

.editorial-card,
.insight-card,
.issue-panel,
.reason-card,
.faq-card {
    border: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--surface-color) 88%, transparent);
    box-shadow: var(--shadow-card);
    transition: transform 300ms ease, border-color 300ms ease, background 300ms ease;
}

.editorial-card:hover,
.insight-card:hover,
.reason-card:hover,
.faq-card:hover {
    transform: translateY(-0.3rem);
    border-color: color-mix(in srgb, var(--aqua-color) 42%, transparent);
    background: var(--surface-color);
}

.newsletter-status.success {
    display: block;
    border: 1px solid color-mix(in srgb, var(--aqua-color) 42%, transparent);
    background: color-mix(in srgb, var(--mint-color) 72%, var(--surface-color));
    color: var(--navy-color);
}

.newsletter-status.error {
    display: block;
    border: 1px solid color-mix(in srgb, var(--sand-color) 70%, transparent);
    background: color-mix(in srgb, var(--sand-color) 34%, var(--surface-color));
    color: var(--navy-color);
}

.data-accent {
    position: relative;
    overflow: hidden;
}

.data-accent::before {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 0.35rem;
    background: linear-gradient(90deg, var(--aqua-color), var(--sand-color), var(--mint-color));
}

.sparkline {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: end;
    gap: 0.25rem;
    height: 4.5rem;
}

.sparkline span {
    display: block;
    border-radius: 999px 999px 0 0;
    background: color-mix(in srgb, var(--aqua-color) 72%, var(--mint-color));
}

.mobile-subscribe-button {
    position: fixed;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transform: translateY(1rem) scale(0.98);
    box-shadow: 0 1.2rem 3rem color-mix(in srgb, var(--navy-color) 26%, transparent);
}

.mobile-subscribe-button.mobile-subscribe-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.subscribe-modal {
    z-index: 10000;
}

.subscribe-modal-card {
    background: color-mix(in srgb, var(--surface-color) 92%, transparent);
    box-shadow: 0 2rem 6rem color-mix(in srgb, var(--navy-color) 36%, transparent);
    backdrop-filter: blur(24px);
}

body.subscribe-modal-open {
    overflow: hidden;
}

#newsletter-hero,
#credibility,
#what-readers-get,
#sample-issue,
#why-subscribe,
#final-signup {
    scroll-margin-top: 2rem;
}

@media (min-width: 768px) {
    .mobile-subscribe-button {
        display: none;
    }
}

/* 3D Frosted Glass Buttons */
.btn-primary-3d {
    background: color-mix(in srgb, var(--sand-color) 90%, transparent) !important;
    backdrop-filter: blur(16px) saturate(200%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(200%) !important;
    border: 1px solid color-mix(in srgb, #ffffff 80%, transparent) !important;
    border-bottom: 4px solid color-mix(in srgb, var(--sand-color) 100%, var(--navy-color) 15%) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15), inset 0 1px 3px rgba(255, 255, 255, 0.8) !important;
    color: var(--navy-color) !important;
    font-weight: 700 !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-primary-3d:hover {
    background: var(--sand-color) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2), inset 0 1px 3px #ffffff !important;
}

.btn-primary-3d:active {
    transform: translateY(2px) !important;
    border-bottom-width: 2px !important;
    margin-bottom: 2px !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.15) !important;
}

.btn-secondary-3d {
    background: color-mix(in srgb, var(--surface-color) 25%, transparent) !important;
    backdrop-filter: blur(16px) saturate(200%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(200%) !important;
    border: 1px solid color-mix(in srgb, var(--surface-color) 60%, transparent) !important;
    border-bottom: 4px solid color-mix(in srgb, var(--surface-color) 40%, transparent) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15), inset 0 1px 3px rgba(255, 255, 255, 0.3) !important;
    color: var(--surface-color) !important;
    font-weight: 700 !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-secondary-3d:hover {
    background: color-mix(in srgb, var(--surface-color) 40%, transparent) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2), inset 0 1px 3px rgba(255, 255, 255, 0.5) !important;
}

.btn-secondary-3d:active {
    transform: translateY(2px) !important;
    border-bottom-width: 2px !important;
    margin-bottom: 2px !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

.btn-whatsapp-3d {
    background: color-mix(in srgb, #25D366 90%, transparent) !important;
    backdrop-filter: blur(16px) saturate(200%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(200%) !important;
    border: 1px solid color-mix(in srgb, #ffffff 70%, transparent) !important;
    border-bottom: 4px solid color-mix(in srgb, #25D366 100%, #128C7E 30%) !important;
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4), inset 0 1px 3px rgba(255, 255, 255, 0.6) !important;
    color: #ffffff !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-whatsapp-3d:hover {
    background: #25D366 !important;
    transform: translateY(-2px) scale(1.05) !important;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6), inset 0 1px 3px rgba(255, 255, 255, 0.9) !important;
}

.btn-whatsapp-3d:active {
    transform: translateY(2px) scale(1) !important;
    border-bottom-width: 2px !important;
    margin-bottom: 2px !important;
    box-shadow: 0 2px 6px rgba(37, 211, 102, 0.4), inset 0 2px 4px rgba(0, 0, 0, 0.15) !important;
}

.btn-danger-3d {
    background: color-mix(in srgb, #ef4444 88%, transparent) !important;
    backdrop-filter: blur(16px) saturate(200%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(200%) !important;
    border: 1px solid color-mix(in srgb, #ffffff 70%, transparent) !important;
    border-bottom: 4px solid #b91c1c !important;
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.35), inset 0 1px 3px rgba(255, 255, 255, 0.6) !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.btn-danger-3d:hover {
    background: #dc2626 !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(220, 38, 38, 0.45), inset 0 1px 3px #ffffff !important;
}

.btn-danger-3d:active {
    transform: translateY(2px) !important;
    border-bottom-width: 2px !important;
    margin-bottom: 2px !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.15) !important;
}

.btn-hover-premium-green:hover {
    background: color-mix(in srgb, #25D366 90%, transparent) !important;
    border-color: color-mix(in srgb, #25D366 80%, transparent) !important;
    border-bottom-color: #128C7E !important;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6), inset 0 1px 3px rgba(255, 255, 255, 0.5) !important;
    color: #ffffff !important;
}

.btn-hover-vibrant-yellow:hover {
    background: #FFCC00 !important;
    border-color: #FFCC00 !important;
    border-bottom-color: #CCAA00 !important;
    box-shadow: 0 8px 25px rgba(255, 204, 0, 0.6), inset 0 1px 3px rgba(255, 255, 255, 0.9) !important;
    color: var(--navy-color) !important;
}

@keyframes whatsapp-ring-pulse {
    0% {
        box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4), inset 0 1px 3px rgba(255, 255, 255, 0.6), 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4), inset 0 1px 3px rgba(255, 255, 255, 0.6), 0 0 0 20px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4), inset 0 1px 3px rgba(255, 255, 255, 0.6), 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.btn-whatsapp-pulse {
    animation: whatsapp-ring-pulse 2s infinite !important;
}

.btn-whatsapp-pulse:hover {
    animation: none !important;
}

/* 3D Text Effect */
.text-3d-sand {
    text-shadow: 
        1px 1px 0px color-mix(in srgb, var(--sand-color) 60%, var(--navy-color)),
        2px 2px 0px color-mix(in srgb, var(--sand-color) 40%, var(--navy-color)),
        3px 3px 0px color-mix(in srgb, var(--sand-color) 20%, var(--navy-color)),
        4px 4px 10px rgba(0,0,0,0.5);
    transform: translateZ(0);
}