/* ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
   Blog Module ??? Liquid Glass Design System
   Covenant Path Foundation
   ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? */

/* ?????? Blog Grid (listing page) ?????????????????????????????????????????????????????????????????? */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-8);
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

/* ?????? Blog Card ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? */
.blog-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.blog-card__image-link {
    display: block;
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--gray-100);
}

.blog-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.blog-card:hover .blog-card__image {
    transform: scale(1.05);
}

/* Fallback placeholder when image is missing */
.blog-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cpf-primary-100) 0%, var(--cpf-primary-light) 100%);
    color: var(--cpf-primary);
    font-size: 3rem;
}

.blog-card__body {
    padding: var(--space-6) var(--space-6) var(--space-8);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-bottom: var(--space-3);
}

.blog-card__meta i {
    margin-right: 0.25rem;
    color: var(--cpf-primary);
}

.blog-card__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: var(--space-3);
    color: var(--deep-blue);
}

.blog-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.blog-card__title a:hover {
    color: var(--cpf-primary);
}

.blog-card__excerpt {
    font-size: var(--text-base);
    color: var(--gray-600);
    line-height: 1.7;
    flex: 1;
    margin-bottom: var(--space-6);
    display: -webkit-box;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    padding-top: var(--space-4);
    border-top: 1px solid var(--glass-border);
}

.blog-card__author {
    font-size: var(--text-sm);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.blog-card__author i {
    color: var(--cpf-primary);
}

/* ?????? Blog Post Hero ?????????????????????????????????????????????????????????????????????????????????????????????????????? */
.blog-post-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: flex-end;
    padding: calc(var(--header-height, 80px) + var(--space-16)) 0 var(--space-12);
    overflow: hidden;
    background: var(--primary-gradient);
}

.blog-post-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.blog-post-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(15, 111, 193, 0.93) 0%,
        rgba(77, 168, 247, 0.7) 50%,
        rgba(77, 168, 247, 0.4) 100%
    );
}

.blog-post-hero__content {
    position: relative;
    z-index: 2;
    max-width: 780px;
    color: var(--white, #fff);
}

.blog-post-hero__back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    margin-bottom: var(--space-4);
    transition: color var(--transition-fast);
}

.blog-post-hero__back:hover {
    color: #fff;
}

.blog-post-hero__title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl, 1.875rem), 4.5vw, var(--text-5xl, 3rem));
    font-weight: 700;
    line-height: 1.15;
    color: #fff;
    margin-bottom: var(--space-4);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.blog-post-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.blog-post-hero__meta i {
    margin-right: 0.3rem;
    color: inherit;
    opacity: 0.75;
}

/* ?????? Post Body (Liquid Glass card on light bg) ????????????????????? */
.blog-post-section {
    background: var(--bg);
}

.container--narrow {
    max-width: 820px;
    margin-inline: auto;
    padding-inline: var(--container-padding, 1.5rem);
}

.blog-post-body {
    padding: var(--space-10) var(--space-12);
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    line-height: 1.85;
    color: var(--gray-700);
    border-radius: var(--radius-xl);
}

@media (max-width: 768px) {
    .blog-post-body {
        padding: var(--space-6) var(--space-5);
        font-size: var(--text-base);
    }
}

.blog-post-body h2 {
    font-family: var(--font-display);
    font-size: var(--text-3xl, 1.875rem);
    font-weight: 600;
    color: var(--deep-blue);
    margin: var(--space-10) 0 var(--space-4);
    line-height: 1.3;
}

.blog-post-body h2:first-child {
    margin-top: 0;
}

.blog-post-body h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--deep-blue);
    margin: var(--space-8) 0 var(--space-3);
    line-height: 1.35;
}

.blog-post-body p {
    margin: 0 0 var(--space-4);
    color: var(--gray-700);
}

.blog-post-body strong {
    color: var(--gray-800);
    font-weight: 600;
}

.blog-post-body ul,
.blog-post-body ol {
    padding-left: var(--space-8);
    margin: var(--space-4) 0;
    list-style: disc;
}

.blog-post-body ol {
    list-style: decimal;
}

.blog-post-body li {
    margin-bottom: var(--space-2);
    color: var(--gray-700);
    line-height: 1.7;
}

.blog-post-body a {
    color: var(--cpf-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--transition-fast);
}

.blog-post-body a:hover {
    color: var(--cpf-primary-dark);
}

.blog-post-body blockquote {
    border-left: 4px solid var(--accent-yellow);
    padding: var(--space-5) var(--space-6);
    margin: var(--space-6) 0;
    background: var(--cpf-primary-100, rgba(77, 168, 247, 0.08));
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
    font-size: var(--text-lg);
    color: var(--deep-blue);
    line-height: 1.7;
}

.blog-post-body blockquote p:last-child {
    margin-bottom: 0;
}

.blog-post-body blockquote footer {
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    font-style: normal;
    color: var(--gray-600);
}

.blog-post-body blockquote cite {
    font-style: normal;
    font-weight: 600;
    color: var(--deep-blue);
}

.blog-post-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: var(--space-6) 0;
    box-shadow: var(--glass-shadow);
}

/* ?????? Post Photo Gallery ????????????????????????????????????????????????????????????????????????????????????????????? */
.blog-post-gallery {
    margin-top: var(--space-10);
}

.blog-post-gallery .section__title {
    color: var(--deep-blue);
}

.blog-post-gallery .section__title i {
    color: var(--cpf-primary);
    margin-right: var(--space-2);
}

.blog-post-gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.blog-post-gallery__item {
    overflow: hidden;
    margin: 0;
    border-radius: var(--radius-lg);
    background: var(--glass-bg-solid);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
}

.blog-post-gallery__item:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(15, 111, 193, 0.18);
}

.blog-post-gallery__item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
    cursor: pointer;
}

.blog-post-gallery__item figcaption {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--gray-600);
    text-align: center;
    background: var(--glass-bg-solid);
}

/* ?????? Embedded Video ????????????????????????????????????????????????????????????????????????????????????????????????????????? */
.blog-post-video {
    overflow: hidden;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-8);
}

.blog-post-video h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--deep-blue);
    padding: var(--space-5) var(--space-6) var(--space-2);
    text-align: center;
}

.blog-post-video p {
    color: var(--gray-500);
    font-size: var(--text-base);
    line-height: 1.6;
    padding: 0 var(--space-6) var(--space-3);
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.blog-post-video__player {
    padding: 0 var(--space-6) var(--space-6);
}

.blog-post-video__player video {
    border-radius: var(--radius-lg);
    width: 100%;
    max-height: 500px;
    box-shadow: var(--glass-shadow);
}

/* ?????? Image Fallback Placeholder ????????????????????????????????????????????????????????????????????? */
.blog-img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--cpf-primary-100, rgba(77,168,247,0.08)), var(--cpf-primary-light, rgba(77,168,247,0.15)));
    color: var(--cpf-primary);
    border-radius: var(--radius-lg);
}

.blog-img-placeholder i {
    font-size: 2.5rem;
    opacity: 0.5;
}

.blog-img-placeholder span {
    font-size: var(--text-sm);
    font-weight: 500;
    opacity: 0.6;
}

/* ?????? Related Posts Section ???????????????????????????????????????????????????????????????????????????????????? */
.blog-related-section {
    background: var(--cpf-primary-100, rgba(77, 168, 247, 0.08));
}

/* ?????? Responsive ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? */
@media (max-width: 480px) {
    .blog-post-hero {
        min-height: 40vh;
        padding-top: calc(var(--header-height, 80px) + var(--space-8));
        padding-bottom: var(--space-8);
    }

    .blog-post-hero__title {
        font-size: var(--text-2xl);
    }

    .blog-post-hero__meta {
        gap: var(--space-3);
        font-size: var(--text-xs, 0.75rem);
    }

    .blog-post-body h2 {
        font-size: var(--text-2xl);
    }

    .blog-post-body h3 {
        font-size: var(--text-lg);
    }

    .blog-post-gallery__grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

/* ?????? Extra-small screens (Samsung Z Fold 5 inner screen ~280-360px) ?????? */
@media (max-width: 380px) {
    .blog-grid {
        gap: var(--space-4);
    }

    .blog-card__body {
        padding: var(--space-4) var(--space-4) var(--space-5);
    }

    .blog-card__title {
        font-size: var(--text-lg);
    }

    .blog-card__excerpt {
        font-size: var(--text-sm);
    }

    .blog-card__meta {
        gap: var(--space-2);
        font-size: var(--text-xs, 0.75rem);
    }

    .blog-post-hero {
        padding-top: calc(var(--header-height, 80px) + var(--space-6));
        padding-bottom: var(--space-6);
    }

    .blog-post-hero__title {
        font-size: var(--text-xl);
        line-height: 1.25;
    }

    .blog-post-hero__meta {
        flex-direction: column;
        gap: var(--space-2);
        font-size: var(--text-xs, 0.75rem);
    }

    .blog-post-body {
        padding: var(--space-4) var(--space-4);
        font-size: var(--text-base);
    }

    .blog-post-body h2 {
        font-size: var(--text-xl);
    }

    .blog-post-body h3 {
        font-size: var(--text-base);
    }

    .blog-post-body blockquote {
        padding: var(--space-4) var(--space-4);
        font-size: var(--text-base);
    }

    .blog-post-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .container--narrow {
        padding-inline: var(--space-3);
    }
}