/* Value Flip Card */
.value-flip-card {
    background-color: transparent;
    width: 100%;
    height: 100%;
    perspective: 1000px;
    cursor: pointer;
    /* iOS Safari optimizations */
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.value-flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    display: grid;
    grid-template-columns: 1fr;
}

.value-flip-card.flipped .value-flip-card-inner {
    transform: rotateY(180deg);
}

.value-flip-card-front,
.value-flip-card-back {
    grid-area: 1 / 1;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.value-flip-card-front {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    gap: 1rem;
}

.value-flip-card-back {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    transform: rotateY(180deg);
    padding: 2.5rem 2rem;
}

.value-flip-card:hover .value-flip-card-front {
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(45, 106, 101, 0.3);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    transition: var(--transition);
}

.value-flip-card:hover .value-icon {
    transform: scale(1.15);
    color: var(--text-light);
}

.value-flip-card-front h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    margin: 0;
}

.value-keywords {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
}

.value-keywords li {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-light);
    transform: translateY(-5px);
}

.value-keywords li:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

/* Mobile/Tablet Responsive: Accordion Style */
@media (max-width: 991px) {

    /* Disable flip effect on mobile */
    .value-flip-card {
        height: auto;
        perspective: none;
    }

    .value-flip-card-inner {
        -webkit-transform-style: flat;
        transform-style: flat;
        transition: none;
        display: block;
        /* Revert to block for accordion style if needed, or keep grid if it works. Let's stick to block to be safe with the accordion logic below */
    }

    .value-flip-card.flipped .value-flip-card-inner {
        transform: none;
    }

    /* Stack front and back vertically */
    .value-flip-card-front,
    .value-flip-card-back {
        position: relative;
        backface-visibility: visible;
        transform: none;
        width: 100%;
        height: auto;
        grid-area: auto;
        /* Reset grid area */
    }

    /* Front card: Always visible */
    .value-flip-card-front {
        padding: 1.5rem 1rem;
        min-height: auto;
        border-bottom: none;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }

    /* Back card: Accordion style - hidden by default */
    .value-flip-card-back {
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        padding: 0 1rem;
        transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.4s ease;
        border-top: none;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-top: none;
    }

    /* Expanded state */
    .value-flip-card.flipped .value-flip-card-back {
        max-height: 300px;
        opacity: 1;
        padding: 1.5rem 1rem;
    }

    /* Add chevron indicator */
    .value-flip-card-front::after {
        content: '\f078';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: var(--accent-color);
        font-size: 1rem;
        transition: transform 0.3s ease;
    }

    .value-flip-card.flipped .value-flip-card-front::after {
        transform: translateY(-50%) rotate(180deg);
    }

    /* Adjust icon and title layout */
    .value-flip-card-front {
        display: flex;
        align-items: center;
        gap: 1rem;
        position: relative;
    }

    .value-flip-card-front .value-icon {
        font-size: 2rem;
        margin: 0;
    }

    .value-flip-card-front h5 {
        margin: 0;
        flex: 1;
        text-align: left;
    }

    /* Keywords list mobile styling */
    .value-keywords {
        gap: 0.5rem;
    }

    .value-keywords li {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
        transition: all 0.3s ease;
    }

    /* Simple fade-in when accordion opens */
    .value-flip-card.flipped .value-keywords li {
        animation: simple-fade-in 0.4s ease-out forwards;
    }

    /* Add staggered delay for each item */
    .value-flip-card.flipped .value-keywords li:nth-child(1) {
        animation-delay: 0.05s;
    }

    .value-flip-card.flipped .value-keywords li:nth-child(2) {
        animation-delay: 0.1s;
    }

    .value-flip-card.flipped .value-keywords li:nth-child(3) {
        animation-delay: 0.15s;
    }

    .value-flip-card.flipped .value-keywords li:nth-child(4) {
        animation-delay: 0.2s;
    }

    @keyframes simple-fade-in {
        0% {
            opacity: 0;
            transform: translateY(-10px);
        }

        100% {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Extra small mobile adjustments */
@media (max-width: 480px) {
    .value-flip-card-front {
        padding: 1.2rem 0.8rem;
    }

    .value-flip-card-front .value-icon {
        font-size: 1.8rem;
    }

    .value-flip-card-front h5 {
        font-size: 1rem;
    }

    .value-keywords li {
        font-size: 0.85rem;
        padding: 0.35rem 0.7rem;
    }
}

/* Legacy Value Card (kept for compatibility) */
.value-card {
    background-color: var(--primary-color);
    border-radius: 15px;
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(45, 106, 101, 0.3);
    background-color: var(--primary-light);
}

.value-card:hover .value-icon {
    transform: scale(1.15);
    color: var(--text-light);
}

.value-card h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    margin: 0;
}