/* Portfolio Hero Section */
.portfolio-hero {
    background-color: #F5F1EB;
    padding: 80px 0 90px;
}

.portfolio-hero-title {
    font-size: 80px;
    line-height: 1.15;
    margin-bottom: 25px;
    font-weight: normal;
    color: #1A1A1A;
    letter-spacing: -0.02em;
    max-width: 1000px;
}

.portfolio-hero-subtitle {
    font-size: 22px;
    line-height: 1.7;
    color: #666666;
    font-weight: normal;
    max-width: 800px;
}

/* Project Section */
.project-section {
    background-color: #F5F1EB;
    padding: 70px 0;
    border-top: 1px solid #D4CEC4;
}

.project-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 35px;
}

.project-number {
    font-size: 15px;
    color: #999999;
    font-weight: normal;
}

.project-category {
    font-size: 14px;
    letter-spacing: 0.15em;
    color: #B8936D;
    font-weight: normal;
}

.project-title {
    font-size: 60px;
    line-height: 1.2;
    margin-bottom: 18px;
    font-weight: normal;
    color: #1A1A1A;
    letter-spacing: -0.02em;
}

.project-industry {
    font-size: 19px;
    color: #999999;
    margin-bottom: 35px;
    font-weight: normal;
}

.project-intro {
    font-size: 24px;
    line-height: 1.6;
    color: #1A1A1A;
    margin-bottom: 50px;
    font-weight: normal;
    max-width: 900px;
}

/* Project Details */
.project-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 70px;
    margin-bottom: 60px;
}

.project-detail-column {
    display: flex;
    flex-direction: column;
}

.detail-heading {
    font-size: 16px;
    letter-spacing: 0.1em;
    color: #B8936D;
    margin-bottom: 20px;
    font-weight: normal;
}

.detail-text {
    font-size: 19px;
    line-height: 1.7;
    color: #666666;
    font-weight: normal;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-bottom: 40px;
    border: 1px solid #D4CEC4;
}

.metric-card {
    padding: 35px 28px;
    border-right: 1px solid #D4CEC4;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.metric-card:last-child {
    border-right: none;
}

.metric-value {
    font-size: 36px;
    color: #B8936D;
    font-weight: normal;
    line-height: 1.2;
}

.metric-label {
    font-size: 16px;
    line-height: 1.5;
    color: #666666;
    font-weight: normal;
}

/* Tags Container */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tag {
    padding: 10px 20px;
    background-color: transparent;
    border: 1px solid #D4CEC4;
    color: #666666;
    font-size: 15px;
    font-weight: normal;
    border-radius: 0;
}

/* Responsive Design for Portfolio */
@media (max-width: 1024px) {
    .portfolio-hero-title {
        font-size: 56px;
    }

    .project-title {
        font-size: 42px;
    }

    .project-details {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .metric-card {
        border-right: none;
        border-bottom: 1px solid #D4CEC4;
    }

    .metric-card:last-child {
        border-bottom: none;
    }
}

@media (max-width: 768px) {
    .portfolio-hero {
        padding: 80px 0 100px;
    }

    .portfolio-hero-title {
        font-size: 42px;
    }

    .portfolio-hero-subtitle {
        font-size: 18px;
    }

    .project-section {
        padding: 80px 0;
    }

    .project-title {
        font-size: 36px;
    }

    .project-intro {
        font-size: 20px;
    }

    .detail-text {
        font-size: 16px;
    }

    .metric-value {
        font-size: 28px;
    }

    .metric-label {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .portfolio-hero-title {
        font-size: 32px;
    }

    .project-title {
        font-size: 28px;
    }

    .project-intro {
        font-size: 18px;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .metric-card {
        padding: 30px 20px;
    }

    .metric-value {
        font-size: 24px;
    }

    .tags-container {
        gap: 8px;
    }

    .tag {
        font-size: 13px;
        padding: 8px 16px;
    }
}