/* ========================================
   SERVICE SECTION
   ======================================== */

/* ===== SECTION STYLES ===== */
.service {
    width: 100%;
    padding: var(--section-padding-desktop) 20px;
    background-color: var(--color-bg);
}

.service__title {
    text-align: center;
    font-family: var(--font-family);
    font-weight: 500;
    font-size: 46px;
    line-height: 110%;
    letter-spacing: -0.03em;
    color: var(--color-white);
    margin-bottom: 48px;
}

/* ===== GRID LAYOUT ===== */
/*
 * Desktop: 4 columns - 1 wide (2.8fr) + 3 equal (1fr each)
 * Grid ensures all 4 cards fit in one row without wrapping
 */
.service__grid {
    display: grid;
    grid-template-columns: 2.8fr 1fr 1fr 1fr;
    gap: 20px;
}

/* ===== FLIP CARD STRUCTURE ===== */
/*
 * Flip card structure (mirrored HTML):
 * .service-card (perspective container)
 *   .service-card__inner (transforms on hover)
 *     .service-card__front (visible by default)
 *       .service-card__bg (picture with images)
 *       .service-card__badges (badges container)
 *       .service-card__arrow-icon (icon)
 *       .service-card__title-front (title)
 *     .service-card__back (rotated 180deg, hidden by default)
 *       .service-card__badges
 *       .service-card__arrow-icon (red)
 *       .service-card__title-back
 *       .service-card__text-back
 */
.service-card {
    perspective: 1200px;
    height: 400px;
}

.service-card:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 6px;
}

.service-card__inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform var(--transition-flip);
    transform-style: preserve-3d;
    will-change: transform;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    cursor: pointer;
}

/* Flip animation on hover */
.service-card:hover .service-card__inner,
.service-card.is-flipped .service-card__inner {
    transform: rotateY(180deg);
}

.service-card__front,
.service-card__back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.service-card__front {
    background-color: var(--color-card-bg);
}

/* Background image container */
.service-card__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.service-card__bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Badges container (front) */
.service-card__badges {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.service-card__badge {
    padding: 6px 12px;
    background-color: var(--color-white);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-white);
    border-radius: var(--radius-xl);
    font-family: var(--font-family);
    font-weight: 500;
    font-size: 13px;
    color: var(--color-border-dark);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Arrow icon - positioned consistently on front and back */
.service-card__arrow-icon {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 20px;
    height: auto;
    display: block;
    background: none;
    border: none;
    padding: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Red arrow icon variant (back) */
.service-card__arrow-icon--red {
    filter: none;
}

/* Title (front) */
.service-card__title-front {
    position: absolute;
    bottom: 20px;
    left: 20px;
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 22px;
    color: var(--color-white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* ===== BACK SIDE ===== */
.service-card__back {
    background-color: var(--color-bg);
    transform: rotateY(180deg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border-dark);
}

/* Badges position reset on back */
.service-card__back .service-card__badges {
    position: static;
    margin-bottom: 50px;
}

/* Badge style on back (transparent) */
.service-card__back .service-card__badge {
    background-color: transparent;
    border: 1px solid var(--color-border-dark);
}

/* Arrow icon on back - same position as front */
.service-card__back .service-card__arrow-icon {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 20px;
    height: auto;
    background: none;
    border: none;
    padding: 0;
}

/* Title (back) */
.service-card__title-back {
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 22px;
    color: var(--color-white);
    margin: 16px 0 12px;
}

/* Description text (back) */
.service-card__text-back {
    font-family: var(--font-family);
    font-weight: 400;
    font-size: 16px;
    line-height: 150%;
    color: var(--color-gray-light);
}

/* ===== RESPONSIVE ===== */
/* Desktop to Tablet transition */
@media (max-width: 1200px) {
    /*
     * Tablet: 2x2 grid
     * Wide card spans 2 columns
     */
    .service__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-card--wide {
        grid-column: span 2;
    }

    .service__grid > .service-card:nth-child(4) {
        grid-column: span 2;
    }
}

/* Tablet */
@media (max-width: 992px) {
    .service {
        padding: var(--section-padding-tablet) 20px;
    }
    
    .service__title {
        font-size: 36px;
        margin-bottom: 40px;
    }
    
    .service__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .service-card--wide {
        grid-column: span 2;
    }

    .service__grid > .service-card:nth-child(4) {
        grid-column: span 2;
    }
    
    .service-card {
        height: 350px;
    }
}

/* Small Tablet */
@media (max-width: 768px) {
    .service {
        padding: 40px 20px;
    }
    
    .service__title {
        font-size: 28px;
        margin-bottom: 32px;
    }
    
    .service-card {
        height: 300px;
    }
    
    .service-card__title-front {
        font-size: 18px;
    }
}

/* Tablet to Mobile transition */
@media (max-width: 600px) {
    /*
     * Mobile: 1 column
     * Wide card becomes single column
     */
    .service__grid {
        grid-template-columns: 1fr;
    }
    
    .service-card--wide {
        grid-column: 1;
    }

    .service__grid > .service-card:nth-child(4) {
        grid-column: 1;
    }
    
    .service-card {
        height: 280px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .service {
        padding: var(--section-padding-mobile) 20px;
    }
    
    .service__title {
        font-size: 24px;
        margin-bottom: 24px;
    }
    
    .service__grid {
        gap: 12px;
    }
    
    .service-card {
        height: 250px;
    }
    
    .service-card__front,
    .service-card__back {
        border-radius: var(--radius-sm);
    }
    
    .service-card__badge {
        font-size: 11px;
        padding: 4px 10px;
    }
    
    .service-card__title-front {
        font-size: 16px;
        bottom: 16px;
        left: 16px;
    }
    
    .service-card__title-back {
        font-size: 18px;
    }
    
    .service-card__text-back {
        font-size: 14px;
    }
}

/* Small Mobile */
@media (max-width: 360px) {
    .service__title {
        font-size: 20px;
    }
    
    .service-card {
        height: 220px;
    }
}