/**
 * Before-After Section Styles
 * 숨카(SUMCAR) 프로젝트 - Before/After 비교 섹션
 */

/* ========================================
   Before-After Section
   ======================================== */
.before-after {
    position: relative;
    width: 100%;
    background: #0D0D0D;
    padding: 120px 24px;
    padding: var(--space-120, 120px) var(--space-24, 24px);
}

.before-after__container {
    position: relative;
    max-width: 1200px;
    max-width: var(--container-max-width, 1200px);
    width: 100%;
    margin: 0 auto;
}

/* ========================================
   Header
   ======================================== */
.before-after__header {
    text-align: center;
    margin-bottom: 80px;
    margin-bottom: var(--space-80, 80px);
}

.before-after__title {
    font-size: 48px;
    font-weight: 700;
    font-weight: var(--fw-bold, 700);
    color: #FFFFFF;
    margin-bottom: 16px;
    margin-bottom: var(--space-16, 16px);
}

.before-after__subtitle {
    font-size: 48px;
    font-weight: 700;
    font-weight: var(--fw-bold, 700);
    color: #0DC6E3;
    margin: 0;
}

/* ========================================
   Items Grid
   ======================================== */
.before-after__items {
    display: flex;
    flex-direction: column;
    gap: 80px;
    gap: var(--space-80, 80px);
}

.before-after__item {
    display: flex;
    flex-direction: column;
    gap: 24px;
    gap: var(--space-24, 24px);
}

.before-after__item-title {
    display: none;
}

/* ========================================
   Comparison
   ======================================== */
.before-after__comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    align-items: center;
    position: relative;
}

.before-after__image-wrapper {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: 16px;
    border-radius: var(--radius-lg, 16px);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 300ms ease, box-shadow 300ms ease;
}

.before-after__image-wrapper--after {
    border: 3px solid #0DC6E3;
}

.before-after__image-wrapper:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.before-after__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* ========================================
   Labels
   ======================================== */
.before-after__label {
    position: absolute;
    top: 16px;
    top: var(--space-16, 16px);
    left: 16px;
    left: var(--space-16, 16px);
    padding: 8px 16px;
    padding: var(--space-8, 8px) var(--space-16, 16px);
    border-radius: 8px;
    border-radius: var(--radius-md, 8px);
    font-size: 16px;
    font-size: var(--fs-h6, 16px);
    font-weight: 700;
    font-weight: var(--fw-bold, 700);
    z-index: 1;
}

.before-after__label--before {
    background: rgba(255, 68, 68, 0.9);
    color: #FFFFFF;
}

.before-after__label--after {
    background: rgba(0, 184, 198, 0.9);
    color: #FFFFFF;
}

/* ========================================
   Arrow
   ======================================== */
.before-after__arrow {
    width: 60px;
    height: 60px;
    background: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    font-size: 36px;
    color: #0DC6E3;
    line-height: 1;
}

/* ========================================
   Description
   ======================================== */
.before-after__description {
    display: none;
}

/* ========================================
   Tablet Responsive
   ======================================== */
@media (max-width: 991px) {
    .before-after {
        padding: 80px 32px;
        padding: var(--space-80, 80px) var(--space-32, 32px);
    }

    .before-after__header {
        margin-bottom: 60px;
        margin-bottom: var(--space-60, 60px);
    }

    .before-after__title {
        font-size: 40px;
    }

    .before-after__subtitle {
        font-size: 40px;
    }

    .before-after__items {
        gap: 60px;
        gap: var(--space-60, 60px);
    }

    .before-after__comparison {
        gap: 6px;
    }

    .before-after__image-wrapper {
        height: 350px;
    }

    .before-after__arrow {
        width: 50px;
        height: 50px;
        font-size: 28px;
    }
}

/* ========================================
   Mobile Responsive
   ======================================== */
@media (max-width: 767px) {
    .before-after {
        padding: 60px 16px;
        padding: var(--space-60, 60px) var(--space-16, 16px);
    }

    .before-after__header {
        margin-bottom: 48px;
        margin-bottom: var(--space-48, 48px);
    }

    .before-after__title {
        font-size: 32px;
        font-size: var(--fs-h2, 32px);
    }

    .before-after__subtitle {
        font-size: 32px;
        font-size: var(--fs-h2, 32px);
    }

    .before-after__items {
        gap: 48px;
        gap: var(--space-48, 48px);
    }

    .before-after__comparison {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .before-after__image-wrapper {
        height: 280px;
    }

    .before-after__arrow {
        width: 40px;
        height: 40px;
        font-size: 24px;
        transform: translate(-50%, -50%) rotate(90deg);
    }

    .before-after__label {
        font-size: 14px;
        font-size: var(--fs-small, 14px);
        padding: 6px 12px;
        padding: var(--space-6, 6px) var(--space-12, 12px);
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes beforeAfterFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.before-after__header {
    animation: beforeAfterFadeInUp 600ms ease-out;
    animation-fill-mode: both;
}

.before-after__item {
    animation: beforeAfterFadeInUp 600ms ease-out;
    animation-fill-mode: both;
}

.before-after__item:nth-child(1) {
    animation-delay: 100ms;
}

.before-after__item:nth-child(2) {
    animation-delay: 200ms;
}

.before-after__item:nth-child(3) {
    animation-delay: 300ms;
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .before-after__header,
    .before-after__item {
        animation: none;
    }

    .before-after__image-wrapper:hover {
        transform: none;
    }
}