.intro {
    display: flex;
    flex-direction: column;
    padding: 60px 20px;
    gap: 40px;
}

.intro__content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.intro__title {
    font-size: clamp(2.8rem, 8vw, 5.5rem);
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.05;
    margin-bottom: 25px;
}

.intro__title em {
    font-family: var(--font-serif);
    font-weight: 400;
    font-style: italic;
    letter-spacing: -1px;
}

.intro__bio {
    font-size: 1.15rem;
    line-height: 1.5;
    max-width: 460px;
    margin-bottom: 35px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    gap: 8px;
    transition: transform 0.2s var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateX(4px);
}

.btn-primary__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 1px solid var(--text-color);
    border-radius: 50%;
    font-size: 0.8rem;
}

.intro__visual {
    width: 100%;
}

.intro__video-wrapper {
    width: 100%;
    max-width: 540px;
    background: #f0f0f0;
    border: 1px solid var(--border-light);
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.intro__video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.showcase {
    padding: 60px 20px;
    border-top: 1px solid var(--border-color);
}

.showcase__header, .manifesto__header {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 50px;
}

.showcase__title, .manifesto__title {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.showcase__lead {
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 600px;
}

.gallery-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.portfolio-card {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.portfolio-card__thumbnail {
    background: #f7f7f7;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    border: 1px solid var(--border-light);
    aspect-ratio: 4 / 5; 
    overflow: hidden;
}

.portfolio-card__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.6s var(--transition-smooth);
}

.portfolio-card:hover .portfolio-card__thumbnail img {
    transform: scale(1.03);
}

.portfolio-card__meta {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.portfolio-card__index {
    font-size: 0.85rem;
    font-weight: 700;
    color: #666;
    font-family: monospace;
}

.portfolio-card__name {
    font-size: 1.1rem;
    font-weight: 600;
}

.portfolio-card--featured .portfolio-card__thumbnail {
    aspect-ratio: 16 / 9;
}

.manifesto {
    padding: 60px 20px;
    border-top: 1px solid var(--text-color);
}

.manifesto__statement {
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    line-height: 1.25;
    font-weight: 400;
    letter-spacing: -0.5px;
}

@media (min-width: 768px) {
    .intro {
        flex-direction: row;
        align-items: center;
        padding: 120px 50px;
        min-height: calc(100vh - 100px);
    }

    .intro__content {
        flex: 1.2;
    }

    .intro__visual {
        flex: 0.8;
        display: flex;
        justify-content: flex-end;
    }

    .intro__video-wrapper {
        max-width: 100%;
        transform: scale(1.1) translateX(-20px);
    }

    .showcase, .manifesto {
        padding: 100px 50px;
    }

    .showcase__header, .manifesto__header {
        display: grid;
        grid-template-columns: 4fr 6fr;
        gap: 40px;
    }

    .gallery-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        padding-top: 30px;
    }

    /* Stagger layout layout */
    .portfolio-card:nth-child(even) {
        transform: translateY(60px);
    }

    .portfolio-card--featured {
        grid-column: span 2;
        margin-top: 50px;
    }
}