/* LikeFlow Blog Stylesheet
   Crafted for clean, modern editorial layout, elevated readability, and scientific precision.
   Strictly utilizes design tokens from tokens.css and site-canvas.css. */

.page-shell--blog-page .site-feature-canvas {
    background-color: var(--canvas);
}

/* --- Hero Section & Breadcrumb --- */
.page-shell--blog-page .page-hero,
.page-hero--blog {
    position: relative;
    max-width: var(--lf-content-max);
    margin: 0 auto;
    padding: calc(var(--space-26) + var(--space-26)) var(--lf-page-gutter) var(--space-10);
    text-align: center;
}

@media (min-width: 768px) {
    .page-shell--blog-page .page-hero,
    .page-hero--blog {
        padding: calc(var(--space-26) + var(--space-26) + var(--space-6)) var(--lf-page-gutter-wide) var(--space-12);
    }
}

.page-shell--blog-page .page-hero .page-hero__breadcrumb,
.page-hero--blog .page-hero__breadcrumb {
    display: flex;
    width: max-content;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin: 0 auto var(--space-5);
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    background: rgb(var(--ch-white) / var(--a-04));
    border: 1px solid rgb(var(--ch-white) / var(--a-08));
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.page-shell--blog-page .page-hero .page-hero__breadcrumb a,
.page-hero--blog .page-hero__breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--dur-base) ease;
}

.page-shell--blog-page .page-hero .page-hero__breadcrumb a:hover,
.page-hero--blog .page-hero__breadcrumb a:hover {
    color: var(--text-primary);
}

.page-shell--blog-page .page-hero .page-hero__breadcrumb .material-symbols-outlined,
.page-hero--blog .page-hero__breadcrumb .material-symbols-outlined {
    font-size: 16px;
    opacity: 0.6;
}

.page-shell--blog-page .page-hero .page-hero__eyebrow,
.page-hero--blog .page-hero__eyebrow {
    display: block;
    width: 100%;
    text-align: center;
    border: none !important;
    background: transparent !important;
    padding: 0 !important;
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--brand-blue-tint);
    margin: 0 auto var(--space-3);
}

.page-shell--blog-page .page-hero h1,
.page-hero--blog h1 {
    font-family: 'Inter', sans-serif;
    font-size: var(--text-4xl);
    font-weight: var(--weight-black);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--text-primary);
    max-width: 980px;
    margin: 0 auto var(--space-5);
    text-wrap: balance;
}

.page-shell--blog-page .page-hero .page-hero__lead,
.page-hero--blog .page-hero__lead {
    font-size: clamp(var(--text-base), 2vw, var(--text-xl));
    line-height: var(--lf-leading-body);
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto;
    text-wrap: balance;
}

/* --- Floating Category Bar --- */
.blog-category-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: max-content;
    max-width: calc(100% - (var(--space-6) * 2));
    margin: var(--space-6) auto var(--space-12);
    padding: var(--space-2);
    background: rgb(var(--ch-white) / var(--a-04));
    border: 1px solid rgb(var(--ch-white) / var(--a-08));
    border-radius: var(--radius-panel);
    backdrop-filter: blur(var(--blur-md));
    box-shadow: 0 8px 24px rgba(0, 0, 0, var(--a-18));
}

.blog-category-bar__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid transparent;
    transition: all var(--dur-base) ease;
}

.blog-category-bar__link + .blog-category-bar__link {
    border-left: none;
}

.blog-category-bar__icon {
    font-size: 20px;
    line-height: 1;
}

.blog-category-bar__link:hover {
    color: var(--text-primary);
    background: rgb(var(--ch-white) / var(--a-08));
    border-color: rgb(var(--ch-white) / var(--a-12));
}

.blog-category-bar__link.is-active {
    color: var(--text-primary);
    background: rgba(var(--brand-blue-rgb), var(--a-18));
    border-color: rgba(var(--brand-blue-rgb), var(--a-42));
    box-shadow: 0 0 16px rgba(var(--brand-blue-rgb), var(--a-14));
}

/* --- Section Headers --- */
.page-shell--blog-page .page-section {
    max-width: var(--lf-content-max);
    margin: 0 auto;
    padding: var(--space-14) var(--lf-page-gutter) var(--space-6);
    border-top: none;
    scroll-margin-top: var(--space-20);
}

@media (min-width: 768px) {
    .page-shell--blog-page .page-section {
        padding: var(--space-18) var(--lf-page-gutter-wide) var(--space-8);
    }
}

.page-shell--blog-page .page-section__title {
    font-family: 'Inter', sans-serif;
    font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
    font-weight: var(--weight-black);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
}

.page-shell--blog-page .page-section__lead {
    font-size: var(--text-base);
    line-height: var(--lf-leading-body);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0;
}

/* --- Blog Post Grid --- */
.page-shell--blog-page .page-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: var(--lf-content-max);
    margin: 0 auto var(--space-10);
    padding: 0 var(--lf-page-gutter);
}

@media (min-width: 640px) {
    .page-shell--blog-page .page-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .page-shell--blog-page .page-grid {
        grid-template-columns: repeat(3, 1fr);
        padding: 0 var(--lf-page-gutter-wide);
    }
}

/* --- Post Card Styles --- */
.post-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-card);
    background: rgb(var(--ch-surface-low) / var(--a-72));
    border: 1px solid rgb(var(--ch-white) / var(--a-08));
    backdrop-filter: blur(var(--blur-md));
    overflow: hidden;
    text-decoration: none;
    transition: transform var(--dur-base) ease, border-color var(--dur-base) ease, box-shadow var(--dur-base) ease;
}

.post-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--brand-blue-rgb), var(--a-42));
    box-shadow: 0 20px 40px rgba(0, 0, 0, var(--a-30)), 0 0 24px rgba(var(--brand-blue-rgb), var(--a-10));
}

.post-card__media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: rgb(var(--ch-surface-low));
}

.post-card__media img {
    width: 100%;
    height: calc(100% + var(--space-2));
    margin-top: calc(-1 * var(--space-2));
    object-fit: cover;
    display: block;
    transition: transform var(--dur-slow) ease;
}

.post-card:hover .post-card__media img {
    transform: scale(1.04) translateY(calc(var(--space-1) / 2));
}

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

.post-card__category {
    display: inline-block;
    align-self: flex-start;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: rgba(var(--brand-blue-rgb), var(--a-12));
    border: 1px solid rgba(var(--brand-blue-rgb), var(--a-24));
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--brand-blue-tint);
    margin-bottom: var(--space-3);
}

.post-card__title {
    font-family: 'Inter', sans-serif;
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    line-height: var(--leading-snug);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card__excerpt {
    font-size: var(--text-sm);
    line-height: var(--lf-leading-copy);
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card__date {
    display: inline-flex;
    align-items: center;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    opacity: 0.75;
    margin-top: auto;
}

/* --- Blog Closing CTA --- */
.blog-page-cta {
    max-width: var(--lf-content-max);
    margin: 0 auto;
    padding: var(--space-12) var(--lf-page-gutter) var(--space-20);
}

@media (min-width: 768px) {
    .blog-page-cta {
        padding: var(--space-16) var(--lf-page-gutter-wide) var(--space-24);
    }
}

.blog-page-cta .page-cta {
    max-width: 820px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-8);
    border-radius: var(--radius-panel);
    background:
        radial-gradient(ellipse 70% 60% at 50% 0%, rgba(var(--brand-blue-rgb), var(--a-14)), transparent 80%),
        rgb(var(--ch-surface-low) / var(--a-85));
    border: 1px solid rgb(var(--ch-white) / var(--a-12));
    text-align: center;
}

.blog-page-cta .page-cta h2 {
    font-family: 'Inter', sans-serif;
    font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
    font-weight: var(--weight-black);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
    margin: 0 0 var(--space-3);
    text-wrap: balance;
}

.blog-page-cta .page-cta p {
    font-size: var(--text-base);
    line-height: var(--lf-leading-copy);
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto var(--space-7);
    text-wrap: balance;
}

.blog-page-cta .page-cta__microcopy {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-top: var(--space-3);
    opacity: 0.8;
}

/* Unified CTA Button */
.page-shell--blog-page .footer-start-free {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--lf-button-foreground) !important;
    background: var(--lf-button-bg) !important;
    border: 1px solid var(--lf-button-border) !important;
    border-radius: var(--radius-full) !important;
    font-size: var(--text-base) !important;
    font-weight: var(--weight-bold) !important;
    padding: var(--space-4) var(--space-8) !important;
    box-shadow: 0 10px 24px rgba(0, 0, 0, var(--a-24)) !important;
    text-decoration: none;
    transition: transform var(--dur-base) ease, box-shadow var(--dur-base) ease !important;
}

.page-shell--blog-page .footer-start-free:hover {
    color: var(--lf-button-foreground) !important;
    background: var(--lf-button-bg) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 14px 30px rgba(0, 0, 0, var(--a-24)), 0 0 16px rgba(var(--brand-blue-rgb), var(--a-14)) !important;
}