/* ============================================================
   MF Collection — BLOG PAGE  (blog.css)
   Page-specific styles for /pages/blog.html
   Load order: AFTER all global CSS files.
   Depends on: variables.css for all --color-*, --space-*,
               --font-*, --radius-*, --shadow-*, --duration-* tokens.

   Sections:
     1.  Section Base
     2.  Blog Hero
     3.  Eyebrow / Shared Labels
     4.  Featured Article
     5.  Category Filter + Search Controls
     6.  Article Grid & Cards
     7.  Empty State
     8.  Load More
     9.  Newsletter
    10.  Responsive Overrides
    11.  Reduced Motion
   ============================================================ */


/* =====================================================
   1. SECTION BASE
===================================================== */

.section {
    padding: var(--section-padding-y) 0;
}

.blog-featured-section {
    background: var(--color-bg-primary);
    padding-top: var(--space-16);
    padding-bottom: var(--space-4);
}

.blog-grid-section {
    background: var(--color-bg-primary);
}

.blog-newsletter-section {
    background: var(--color-bg-secondary);
}


/* =====================================================
   2. BLOG HERO
===================================================== */

.blog-hero {
    background: var(--color-bg-secondary);
    padding: var(--space-20) 0 var(--space-16);
    text-align: center;
    border-bottom: 1px solid var(--color-border-light);
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 400px;
    background: radial-gradient(ellipse at center,
            rgba(201, 169, 110, 0.08) 0%,
            transparent 65%);
    pointer-events: none;
}

.blog-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
}

.blog-hero__eyebrow {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-brand-gold);
    margin-bottom: var(--space-4);
}

.blog-hero__title {
    font-family: var(--font-serif);
    font-size: clamp(var(--text-4xl), 5.5vw, var(--text-6xl));
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    margin: 0 0 var(--space-6);
    font-style: normal;
}

.blog-hero__accent {
    /* color: var(--color-brand-gold); */
    font-style: normal;
}

.blog-hero__subtitle {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    max-width: 540px;
    margin: 0 auto;
}


/* =====================================================
   3. EYEBROW / SHARED LABELS
===================================================== */

.blog-eyebrow {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-brand-gold);
    margin-bottom: var(--space-3);
}

.blog-grid-header {
    margin-bottom: var(--space-8);
}

.blog-grid-header .section-title {
    margin: 0;
}

/* Accessible hide, self-contained (no dependency on a global utility class) */
.blog-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* =====================================================
   4. FEATURED ARTICLE
===================================================== */

.blog-featured {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-10);
    align-items: center;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.blog-featured__image-link {
    display: block;
    height: 100%;
    min-height: 320px;
    background: var(--color-bg-tertiary);
}

.blog-featured__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.blog-featured__content {
    padding: var(--space-10) var(--space-10) var(--space-10) 0;
}

.blog-featured__title {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    line-height: var(--leading-tight);
    margin: var(--space-3) 0 var(--space-4);
    font-style: normal;
}

.blog-featured__title a {
    color: inherit;
    text-decoration: none;
}

.blog-featured__title a:hover {
    color: var(--color-brand-gold-dark);
}

.blog-featured__excerpt {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
}

.blog-featured__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    text-decoration: none;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--color-brand-gold);
    transition: color var(--duration-base) var(--ease-in-out);
}

.blog-featured__link:hover {
    color: var(--color-brand-gold-dark);
}


/* =====================================================
   5. CATEGORY FILTER + SEARCH CONTROLS
===================================================== */

.blog-controls {
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border-light);
    position: sticky;
    top: var(--header-height-lg, 80px);
    z-index: var(--z-sticky);
}

.blog-controls__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: var(--space-4) var(--container-px, 1.5rem);
}

.blog-categories {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
    min-width: 0;
}

.blog-categories::-webkit-scrollbar {
    display: none;
}

.blog-category {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition:
        background-color var(--duration-base) var(--ease-in-out),
        color var(--duration-base) var(--ease-in-out),
        border-color var(--duration-base) var(--ease-in-out);
}

.blog-category:hover {
    border-color: var(--color-gray-400);
    color: var(--color-text-primary);
}

.blog-category.is-active {
    background: var(--color-brand-black);
    border-color: var(--color-brand-black);
    color: var(--color-brand-white);
}

.blog-category:focus-visible {
    outline: 2px solid var(--color-brand-gold);
    outline-offset: 2px;
}

.blog-search {
    position: relative;
    flex-shrink: 0;
    width: 240px;
}

.blog-search__icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    pointer-events: none;
}

.blog-search__input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4) var(--space-2) calc(var(--space-3) + 22px);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--input-text);
    transition: border-color var(--duration-base) var(--ease-in-out);
}

.blog-search__input::placeholder {
    color: var(--input-placeholder);
}

.blog-search__input:hover {
    border-color: var(--input-border-hover);
}

.blog-search__input:focus {
    outline: none;
    border-color: var(--input-border-focus);
    box-shadow: var(--input-shadow-focus);
}


/* =====================================================
   6. ARTICLE GRID & CARDS
===================================================== */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition:
        box-shadow var(--duration-base) var(--ease-in-out),
        transform var(--duration-base) var(--ease-out),
        border-color var(--duration-base) var(--ease-in-out);
}

.blog-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: rgba(201, 169, 110, 0.28);
}

.blog-card[hidden] {
    display: none;
}

.blog-card__image-link {
    display: block;
    aspect-ratio: 4 / 5;
    background: var(--color-bg-tertiary);
}

.blog-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.blog-card__body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card__category {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-brand-gold-dark);
    margin-bottom: var(--space-2);
}

.blog-featured .blog-card__category {
    margin-bottom: 0;
}

.blog-card__title {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-snug);
    margin-bottom: var(--space-3);
    font-style: normal;
}

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

.blog-card__title a:hover {
    color: var(--color-brand-gold-dark);
}

.blog-card__excerpt {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
    flex: 1;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: auto;
}


/* =====================================================
   7. EMPTY STATE
===================================================== */

.blog-empty {
    text-align: center;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-text-muted);
    padding: var(--space-16) var(--space-4);
}


/* =====================================================
   8. LOAD MORE
===================================================== */

.blog-load-more {
    display: flex;
    justify-content: center;
    margin-top: var(--space-10);
}

.blog-load-more[hidden] {
    display: none;
}


/* =====================================================
   9. NEWSLETTER
===================================================== */

.blog-newsletter {
    background: var(--color-brand-black);
    border-radius: var(--radius-xl);
    padding: var(--space-12) var(--space-10);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-10);
    position: relative;
    overflow: hidden;
}

.blog-newsletter::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 420px;
    height: 420px;
    background: radial-gradient(ellipse at center,
            rgba(201, 169, 110, 0.14) 0%,
            transparent 70%);
    pointer-events: none;
}

.blog-newsletter__text {
    position: relative;
    z-index: 1;
    max-width: 420px;
}

.blog-newsletter__eyebrow {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-brand-gold);
    margin-bottom: var(--space-3);
}

.blog-newsletter__title {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-brand-white);
    margin-bottom: var(--space-3);
    font-style: normal;
}

.blog-newsletter__desc {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.65);
    line-height: var(--leading-relaxed);
}

.blog-newsletter__form {
    position: relative;
    z-index: 1;
    display: flex;
    gap: var(--space-3);
    flex-shrink: 0;
    width: 100%;
    max-width: 420px;
}

.blog-newsletter__input {
    flex: 1;
    min-width: 0;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-btn);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-brand-white);
    transition: border-color var(--duration-base) var(--ease-in-out);
}

.blog-newsletter__input::placeholder {
    color: rgba(255, 255, 255, 0.40);
}

.blog-newsletter__input:hover {
    border-color: rgba(255, 255, 255, 0.35);
}

.blog-newsletter__input:focus {
    outline: none;
    border-color: var(--color-brand-gold);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.18);
}

.blog-newsletter__submit {
    flex-shrink: 0;
    background: var(--btn-gold-bg, var(--color-brand-gold));
    border: none;
    border-radius: var(--radius-btn);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    color: var(--btn-gold-text, var(--color-brand-black));
    cursor: pointer;
    transition: background-color var(--duration-base) var(--ease-in-out);
}

.blog-newsletter__submit:hover {
    background: var(--btn-gold-bg-hover, var(--color-brand-gold-light));
}

.blog-newsletter__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.blog-newsletter__note {
    position: absolute;
    bottom: var(--space-6);
    left: var(--space-10);
    z-index: 1;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    color: var(--color-brand-gold);
    min-height: 1em;
}


/* =====================================================
   10. RESPONSIVE OVERRIDES
===================================================== */

/* ── Tablet landscape (≤ 1024px) ── */
@media (max-width: 1024px) {

    .blog-controls {
        top: var(--header-height, 68px);
    }

    .blog-featured {
        grid-template-columns: 1fr;
    }

    .blog-featured__image-link {
        min-height: 260px;
    }

    .blog-featured__content {
        padding: var(--space-8);
    }

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

    .blog-newsletter {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-10) var(--space-8);
    }

    .blog-newsletter__form {
        max-width: 100%;
    }

    .blog-newsletter__note {
        position: static;
        margin-top: var(--space-3);
    }
}

/* ── Tablet portrait (≤ 768px) ── */
@media (max-width: 768px) {

    .section {
        padding: var(--section-padding-y-sm, 3rem) 0;
    }

    .blog-hero {
        padding: var(--space-14) 0 var(--space-10);
    }

    .blog-hero__title {
        font-size: clamp(var(--text-3xl), 8vw, var(--text-5xl));
    }

    .blog-hero__subtitle {
        font-size: var(--text-base);
    }

    .blog-controls__inner {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }

    .blog-search {
        width: 100%;
    }

    .blog-featured__content {
        padding: var(--space-6);
    }

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

    .blog-newsletter__form {
        flex-direction: column;
    }

    .blog-newsletter__submit {
        width: 100%;
    }
}

/* ── Mobile (≤ 480px) ── */
@media (max-width: 480px) {

    .blog-hero {
        padding: var(--space-10) 0 var(--space-8);
    }

    .blog-hero__title {
        font-size: var(--text-4xl);
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .blog-featured__image-link {
        min-height: 200px;
    }

    .blog-newsletter {
        padding: var(--space-8) var(--space-5);
    }
}


/* =====================================================
   11. REDUCED MOTION
===================================================== */

@media (prefers-reduced-motion: reduce) {

    .blog-card,
    .blog-category,
    .blog-search__input,
    .blog-newsletter__input,
    .blog-newsletter__submit,
    .blog-featured__link {
        transition: none;
    }
}