@charset "UTF-8";

/* ==========================================================================
   Portfolio Section (Selected Works)
   ========================================================================== */
.main-portfolio {
    padding: 150px 0;
    background-color: #fcfcfc;
    border-top: 1px solid #eee;
}

.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 60px;
}

.portfolio-header .section-title {
    font-family: var(--font-en);
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: #111;
}

.btn-text-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-en);
    font-size: 16px;
    font-weight: 700;
    color: var(--electric-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: transform 0.3s ease;
}

.btn-text-arrow:hover {
    transform: translateX(5px);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.portfolio-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.portfolio-item.featured {
    grid-column: span 2;
}

.portfolio-item .thumb-wrap {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.portfolio-item .thumb-wrap img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.portfolio-item:hover .thumb-wrap img {
    transform: scale(1.05);
}

.portfolio-item .thumb-placeholder {
    width: 100%;
    aspect-ratio: 16/10;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.portfolio-item.featured .thumb-placeholder {
    aspect-ratio: 21/9;
}

.portfolio-item .item-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    color: #fff;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-item:hover .item-info {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item .category {
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--electric-blue);
    margin-bottom: 10px;
    display: block;
}

.portfolio-item .title {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.portfolio-item.featured .title {
    font-size: 32px;
}

@media (max-width: 991px) {
    .portfolio-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        margin-bottom: 40px;
    }
    .portfolio-header .section-title { font-size: 36px; }
    .portfolio-grid { grid-template-columns: 1fr; gap: 20px; }
    .portfolio-item.featured { grid-column: span 1; }
    .portfolio-item .thumb-placeholder,
    .portfolio-item.featured .thumb-placeholder { aspect-ratio: 4/3; }
    .portfolio-item .item-info {
        opacity: 1;
        transform: translateY(0);
        padding: 25px;
        background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%);
    }
    .portfolio-item .title,
    .portfolio-item.featured .title { font-size: 20px; }
}