.insight-main {
    padding-top: 40px;
    padding-bottom: 140px;
}

/* ==========================================================================
   1. 블로그 헤더 영역
   ========================================================================== */
.blog-header {
    margin-bottom: 60px;
    text-align: left;
}

.blog-title {
    font-size: 54px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 60px;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.blog-desc {
    font-size: 20px;
    color: #666666;
    line-height: 1.6;
}

/* ==========================================================================
   2. 포스트 그리드 (2단 레이아웃)
   ========================================================================== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 20px;
    row-gap: 60px;
    width: 100%;
}

.post-card {
    width: 100%;
    text-decoration: none;
    display: block;
}

.post-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #f0f0f0;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 24px;
}

.post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-info {
    text-align: left;
    width: 100%;
}

.post-subject {
    font-size: 24px;
    line-height: 1.4;
    color: #111111;
    margin-bottom: 4px;
    font-weight: 700;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    display: block;
    width: 100%;
}

.post-subtext {
    font-size: 18px;
    font-weight: 400;
    color: #818181;
    margin-bottom: 12px;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    display: block;
    width: 100%;
}

/* ==========================================================================
   3. 반응형 미디어 쿼리 - 태블릿 (768px ~ 1024px)
   ========================================================================== */
@media (max-width: 1024px) {

    .insight-main {

        padding-bottom: 100px;
    }

    /* 헤더 영역 */
    .blog-header {
        margin-bottom: 40px;
    }

    .blog-title {
        font-size: 44px;
        margin-top: 40px;
    }

    .blog-desc {
        font-size: 18px;
        word-break: keep-all;
    }

    /* 포스트 그리드 */
    .post-grid {
        column-gap: 20px;
        row-gap: 48px;
    }

    .post-subject {
        font-size: 22px;
        line-height: 1.4;
    }

    .post-subtext {
        font-size: 16px;
    }
}

/* ==========================================================================
   3-1. 반응형 미디어 쿼리 - 중간 태블릿 (769px ~ 900px)
   ========================================================================== */
@media (min-width: 769px) and (max-width: 900px) {

    .insight-main {
        padding-bottom: 80px;
    }

    .blog-title {
        font-size: 38px;
        margin-top: 36px;
    }

    .blog-desc {
        font-size: 16px;
    }

    .post-grid {
        column-gap: 16px;
        row-gap: 40px;
    }

    .post-subject {
        font-size: 20px;
    }

    .post-subtext {
        font-size: 15px;
    }
}

/* ==========================================================================
   4. 반응형 미디어 쿼리 - 모바일 (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {

    .insight-main {
        padding-bottom: 80px;
    }

    /* 헤더 영역 */
    .blog-header {
        margin-bottom: 30px;
    }

    .blog-title {
        font-size: 36px;
        margin-top: 40px;
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .blog-desc {
        font-size: 18px;
        line-height: 1.5;
        word-break: keep-all;
    }

    /* 포스트 그리드 - 1열로 전환 */
    .post-grid {
        grid-template-columns: 1fr;
        row-gap: 40px;
    }

    .post-thumb {
        margin-bottom: 16px;
    }

    .post-subject {
        font-size: 20px;
    }

    .post-subtext {
        font-size: 15px;
    }
}
