/* =============================================================================
   FEATURE GRID - OPTIMIZED FOR WCAG AAA CONTRAST
   ============================================================================= */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 2rem auto 0;
    max-width: 800px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
    padding: 24px 20px;
    background: rgba(255, 255, 255, 0.12);
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    cursor: help;
    backdrop-filter: blur(8px);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.feature-icon-wrapper {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.15) 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #FFFFFF;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.feature-item:hover .feature-icon-wrapper {
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F9FF 100%);
    color: var(--brand-blue);
    transform: rotate(-8deg) scale(1.1);
    border-color: #FFFFFF;
    box-shadow: 0 12px 32px rgba(255, 255, 255, 0.4);
}

.feature-text {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    color: #FFFFFF;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.2px;
}

/* Tooltip on hover */
.feature-item[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: rgba(15, 32, 53, 0.98);
    color: #FFFFFF;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.5;
    white-space: normal;
    max-width: 260px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    z-index: 1000;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Tooltip arrow */
.feature-item[data-tooltip]::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: rgba(15, 32, 53, 0.98);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 1001;
}

.feature-item:hover[data-tooltip]::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.feature-item:hover[data-tooltip]::before {
    opacity: 1;
    visibility: visible;
}

/* Responsive */
@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .feature-item {
        padding: 20px 16px;
    }

    .feature-icon-wrapper {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }

    .feature-text {
        font-size: 0.9rem;
    }

    .feature-item[data-tooltip]::after {
        max-width: 220px;
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}