/* ==========================================================================
   Features Cards Block - Responsive Design
   Mobile-First Approach with Progressive Enhancement
   ========================================================================== */

/* ==========================================================================
   Mobile Base Styles (320px - 767px)
   ========================================================================== */
@media (max-width: 767px) {
    /* Container adjustments */
    .features-cards-block {
        padding: 3rem 1rem !important;
        min-height: auto !important;
    }
    
    .features-cards-container {
        padding: 0 !important;
        max-width: 100% !important;
    }
    
    /* Typography - Mobile optimized */
    .features-heading {
        font-size: 1.75rem !important;
        font-size: clamp(1.5rem, 6vw, 2rem) !important;
        line-height: 1.2 !important;
        margin-bottom: 1rem !important;
        text-align: left !important;
    }
    
    .features-subtext {
        font-size: 1rem !important;
        font-size: clamp(0.9375rem, 3vw, 1.125rem) !important;
        line-height: 1.5 !important;
        margin-bottom: 2rem !important;
        text-align: left !important;
    }
    
    .features-subtext p {
        text-align: left !important;
        margin: 0 !important;
    }
    
    /* Grid - Single column on mobile */
    .features-cards-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 1.5rem !important;
        margin-top: 2rem !important;
    }
    
    /* Card styles - Vertically centered content with ample space */
    .feature-card {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        justify-content: center !important;
        padding: 2rem 1.5rem !important;
        border-radius: 12px !important;
        min-height: 300px !important;
        height: auto !important;
        width: 100% !important;
        margin: 0 !important;
        text-decoration: none !important;
        transition: transform 0.2s ease, box-shadow 0.2s ease !important;
        position: relative !important;
        gap: 0 !important;
    }
    
    /* Remove complex hover effects on mobile - keep stable */
    .feature-card:hover {
        transform: none !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
    }
    
    /* Disable all hover transforms on mobile */
    .feature-card:hover .feature-title,
    .feature-card:hover .feature-description {
        transform: none !important;
    }
    
    /* Icon adjustments - Full size by default on mobile (no scaling) */
    .feature-icon {
        width: 48px !important;
        height: 48px !important;
        margin-bottom: 1rem !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        flex-shrink: 0 !important;
        transform: scale(1) !important;
        transition: none !important;
    }
    
    /* Disable hover scaling on mobile */
    .feature-card:hover .feature-icon {
        transform: scale(1) !important;
    }
    
    .feature-icon img,
    .icon-image {
        width: 100% !important;
        height: 100% !important;
        object-fit: contain !important;
    }
    
    /* Title styling - Generous spacing for readability */
    .feature-title {
        font-size: 1.25rem !important;
        font-size: clamp(1.125rem, 4vw, 1.375rem) !important;
        line-height: 1.3 !important;
        margin: 0 0 1rem 0 !important;
        text-align: left !important;
        width: 100% !important;
        font-weight: 700 !important;
    }
    
    /* Description styling - Optimal line-height for readability */
    .feature-description {
        font-size: 0.9375rem !important;
        font-size: clamp(0.875rem, 2.5vw, 1rem) !important;
        line-height: 1.7 !important;
        text-align: left !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* Make description paragraphs cleaner */
    .feature-description p {
        margin: 0 !important;
        text-align: left !important;
    }
    
    .feature-description p + p {
        margin-top: 0.75rem !important;
    }
    
    /* Card back styling for mobile - vertically centered with proper spacing */
    .feature-card.has-back .feature-card-front,
    .feature-card.has-back .feature-card-back {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        justify-content: center !important;
        text-align: left !important;
        padding: 0 !important;
        gap: 0 !important;
        min-height: 100% !important;
    }
    
    /* Icon spacing in flippable cards - generous spacing */
    .feature-card.has-back .feature-card-front .feature-icon,
    .feature-card.has-back .feature-card-back .feature-icon {
        margin-bottom: 1rem !important;
    }
    
    /* Title spacing in flippable cards - proper breathing room */
    .feature-card.has-back .feature-card-front .feature-title,
    .feature-card.has-back .feature-card-back .feature-title {
        margin: 0 0 1rem 0 !important;
        line-height: 1.3 !important;
    }
    
    /* Description spacing in flippable cards - optimal readability */
    .feature-card.has-back .feature-card-front .feature-description,
    .feature-card.has-back .feature-card-back .feature-description {
        margin: 0 !important;
        padding: 0 !important;
        line-height: 1.7 !important;
    }
    
    /* Additional breathing room for back side paragraphs */
    .feature-card.has-back .feature-card-back .feature-description p {
        line-height: 1.75 !important;
    }
    
    .feature-card.has-back .feature-card-back .feature-description p + p {
        margin-top: 0.875rem !important;
    }
    
    /* Remove animations on mobile for performance */
    .animate-in,
    [data-animate="features-cards"] {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ==========================================================================
   Small Mobile (320px - 374px)
   ========================================================================== */
@media (max-width: 374px) {
    .features-cards-block {
        padding: 2rem 0.75rem !important;
    }
    
    .features-heading {
        font-size: 1.5rem !important;
    }
    
    .features-subtext {
        font-size: 0.875rem !important;
    }
    
    .feature-card {
        padding: 1.75rem 1.25rem !important;
        min-height: 280px !important;
        justify-content: center !important;
    }
    
    .feature-icon {
        width: 42px !important;
        height: 42px !important;
        margin-bottom: 0.875rem !important;
        justify-content: flex-start !important;
    }
    
    .feature-title {
        font-size: 1.125rem !important;
        line-height: 1.3 !important;
        margin: 0 0 0.875rem 0 !important;
        text-align: left !important;
    }
    
    .feature-description {
        font-size: 0.875rem !important;
        text-align: left !important;
        line-height: 1.65 !important;
        margin: 0 !important;
    }
}

/* ==========================================================================
   Medium Mobile (375px - 479px)
   ========================================================================== */
@media (min-width: 375px) and (max-width: 479px) {
    .feature-card {
        padding: 1.875rem 1.375rem !important;
        min-height: 290px !important;
        justify-content: center !important;
    }
    
    .feature-icon {
        width: 44px !important;
        height: 44px !important;
        margin-bottom: 0.9375rem !important;
        justify-content: flex-start !important;
    }
    
    .feature-title {
        font-size: 1.1875rem !important;
        line-height: 1.3 !important;
        margin: 0 0 0.9375rem 0 !important;
        text-align: left !important;
    }
    
    .feature-description {
        font-size: 0.9375rem !important;
        line-height: 1.7 !important;
        text-align: left !important;
        margin: 0 !important;
    }
}

/* ==========================================================================
   Large Mobile (480px - 767px)
   ========================================================================== */
@media (min-width: 480px) and (max-width: 767px) {
    .features-cards-block {
        padding: 3rem 1.5rem !important;
    }
    
    .features-heading {
        font-size: 1.875rem !important;
    }
    
    .feature-card {
        padding: 2rem 1.625rem !important;
        min-height: 310px !important;
        justify-content: center !important;
    }
    
    .feature-icon {
        width: 48px !important;
        height: 48px !important;
        margin-bottom: 1rem !important;
        justify-content: flex-start !important;
    }
    
    .feature-title {
        font-size: 1.3125rem !important;
        line-height: 1.3 !important;
        margin: 0 0 1rem 0 !important;
        text-align: left !important;
    }
    
    .feature-description {
        font-size: 1rem !important;
        line-height: 1.7 !important;
        text-align: left !important;
        margin: 0 !important;
    }
}

/* ==========================================================================
   Tablet Portrait (768px - 900px)
   ========================================================================== */
@media (min-width: 768px) and (max-width: 900px) {
    .features-cards-block {
        padding: 4rem 2rem !important;
    }
    
    .features-cards-container {
        max-width: 720px !important;
        margin: 0 auto !important;
    }
    
    /* Two column grid on tablets */
    .features-cards-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem !important;
    }
    
    /* Adjust the third card to span full width if odd number */
    .feature-card:nth-child(3):last-child {
        grid-column: 1 / -1 !important;
        width: min(100%, 520px) !important;
        max-width: 520px !important;
        justify-self: center !important;
    }

    .feature-card:nth-child(3):last-child .feature-card-inner,
    .feature-card:nth-child(3):last-child .feature-card-front,
    .feature-card:nth-child(3):last-child .feature-card-back {
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .features-heading {
        font-size: 2.25rem !important;
        text-align: center !important;
    }
    
    .features-subtext {
        text-align: center !important;
        max-width: 600px !important;
        margin: 0 auto 2.5rem !important;
    }
    
    .features-subtext p {
        text-align: center !important;
    }
    
    .feature-icon {
        width: 80px !important;
        height: 80px !important;
    }

    .feature-title {
        font-size: 1.5rem !important;
        text-align: left !important;
    }

    .feature-description {
        text-align: left !important;
    }

    .feature-card.has-back .feature-card-front,
    .feature-card.has-back .feature-card-back {
        align-items: flex-start !important;
        text-align: left !important;
    }
}

/* ==========================================================================
   Tablet Landscape (901px - 1024px)
   ========================================================================== */
@media (min-width: 901px) and (max-width: 1024px) {
    .features-cards-block {
        padding: 5rem 2rem !important;
    }
    
    .features-cards-container {
        max-width: 900px !important;
    }
    
    /* Three column grid on larger tablets */
    .features-cards-grid {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1.75rem !important;
    }
    
    .feature-icon {
        width: 90px !important;
        height: 90px !important;
    }

    .feature-card.has-back .feature-card-front,
    .feature-card.has-back .feature-card-back {
        align-items: flex-start !important;
        text-align: left !important;
    }
}

/* ==========================================================================
   Small Desktop (1025px - 1280px)
   ========================================================================== */
@media (min-width: 1025px) and (max-width: 1280px) {
    .features-cards-container {
        max-width: 1100px !important;
    }
    
    .features-cards-grid {
        gap: 2rem !important;
    }
}

/* ==========================================================================
   Touch Device Optimizations
   ========================================================================== */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .feature-card:hover {
        transform: none !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05) !important;
    }
    
    /* Add touch feedback */
    .feature-card:active {
        transform: scale(0.98) !important;
        transition: transform 0.1s ease !important;
    }
    
    /* Ensure good touch targets */
    .feature-card {
        min-height: 44px !important;
        -webkit-tap-highlight-color: transparent !important;
    }
    
    /* Make link indicators more obvious on touch */
    .feature-card-link {
        position: relative !important;
    }
    
    .feature-card-link::after {
        content: "→" !important;
        position: absolute !important;
        top: 1.5rem !important;
        right: 1.5rem !important;
        font-size: 1.25rem !important;
        opacity: 0.5 !important;
    }
}

/* ==========================================================================
   Landscape Orientation Mobile
   ========================================================================== */
@media (max-height: 600px) and (orientation: landscape) and (max-width: 900px) {
    .features-cards-block {
        padding: 2rem 1rem !important;
    }
    
    .features-heading {
        font-size: 1.5rem !important;
        margin-bottom: 0.75rem !important;
    }
    
    .features-subtext {
        margin-bottom: 1.5rem !important;
    }
    
    /* Two column grid in landscape */
    .features-cards-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1rem !important;
    }
    
    .feature-card {
        padding: 1.25rem !important;
    }
    
    .feature-icon {
        width: 50px !important;
        height: 50px !important;
        margin-bottom: 0.75rem !important;
    }
    
    .feature-title {
        font-size: 1.125rem !important;
        margin-bottom: 0.5rem !important;
    }
}

/* ==========================================================================
   Accessibility & Performance
   ========================================================================== */

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .feature-card,
    .feature-icon,
    .animate-in,
    [data-animate] {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .feature-card {
        border: 2px solid currentColor !important;
    }
}

/* Dark mode support (if needed) */
@media (prefers-color-scheme: dark) {
    .features-cards-block {
        --features-text-color: #ffffff !important;
    }
}

/* Print styles */
@media print {
    .features-cards-block {
        padding: 1rem !important;
        page-break-inside: avoid !important;
    }
    
    .features-cards-grid {
        display: block !important;
    }
    
    .feature-card {
        page-break-inside: avoid !important;
        border: 1px solid #000 !important;
        margin-bottom: 1rem !important;
        box-shadow: none !important;
    }
    
    .feature-icon {
        display: none !important;
    }
    
    .feature-card-link::after {
        content: " (" attr(href) ")" !important;
        font-size: 0.875rem !important;
        font-style: italic !important;
    }
}

/* iOS Safari fixes */
@supports (-webkit-touch-callout: none) {
    .feature-card {
        -webkit-transform: translateZ(0);
        -webkit-backface-visibility: hidden;
    }
}