/* assets/css/blog.css */

.blog-hero {
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #fff;
    background: #0c1a36;
    padding-top: var(--site-header-total, 7rem);
    min-height: calc(var(--site-header-total, 7rem) + clamp(210px, 26vh, 290px));
}

.blog-hero__media,
.blog-hero__veil {
    position: absolute;
    inset: 0;
}

.blog-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
    filter: saturate(0.68) contrast(1.05);
}

.blog-hero__veil {
    background:
        linear-gradient(105deg, rgba(12, 26, 54, 0.9) 0%, rgba(17, 41, 89, 0.66) 45%, rgba(42, 165, 150, 0.28) 100%),
        linear-gradient(180deg, rgba(12, 26, 54, 0.4) 0%, transparent 45%, rgba(12, 26, 54, 0.5) 100%);
}

.blog-hero__content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: clamp(1.6rem, 3vw, 2.35rem);
    padding-bottom: clamp(1.7rem, 3.2vw, 2.4rem);
}

.blog-hero__brand {
    margin: 0 0 0.5rem;
    font-family: var(--font-heading);
    font-size: clamp(1.1rem, 1.8vw, 1.3rem);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
}

.blog-hero__title {
    margin: 0 0 0.65rem;
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 3.8vw, 2.85rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1.08;
    color: #fff;
}

.blog-hero__lead {
    margin: 0;
    max-width: 46ch;
    font-size: clamp(0.92rem, 1.2vw, 1.05rem);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
}

.blog-catalog {
    padding: clamp(1.5rem, 3vw, 2.25rem) 0 clamp(2.5rem, 5vw, 4rem);
    background:
        radial-gradient(ellipse 70% 45% at 100% 0%, rgba(42, 165, 150, 0.07), transparent 55%),
        var(--clr-bg-canvas, #faf9f7);
}

.blog-toolbar {
    margin-bottom: 1.1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(17, 41, 89, 0.1);
}

.blog-kicker {
    display: block;
    margin-bottom: 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--clr-secondary);
}

.blog-heading {
    margin: 0;
    font-size: clamp(1.45rem, 2.6vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    color: var(--clr-primary);
}

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: clamp(1.25rem, 2.5vw, 1.75rem);
}

.blog-filter {
    appearance: none;
    border: 1px solid rgba(17, 41, 89, 0.16);
    background: rgba(255, 255, 255, 0.78);
    color: var(--clr-text-main);
    min-height: 44px;
    padding: 0.7rem 0.95rem;
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition:
        background-color var(--duration-ui) var(--ease-premium),
        border-color var(--duration-ui) var(--ease-premium),
        color var(--duration-ui) var(--ease-premium);
}

.blog-filter:hover {
    border-color: rgba(17, 41, 89, 0.35);
    color: var(--clr-primary);
}

.blog-filter.is-active,
.blog-filter[aria-pressed="true"] {
    background: var(--gradient-brand);
    border-color: transparent;
    color: #fff;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 1.5rem);
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(17, 41, 89, 0.08);
    overflow: hidden;
    transition:
        border-color var(--duration-card) var(--ease-premium),
        box-shadow var(--duration-card) var(--ease-premium),
        transform var(--duration-card) var(--ease-premium);
}

.blog-card:hover {
    border-color: rgba(17, 41, 89, 0.16);
    box-shadow: 0 16px 40px rgba(17, 41, 89, 0.1);
    transform: translateY(-3px);
}

.blog-card.is-hidden {
    display: none;
}

.blog-card__media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #eef3f7;
}

.blog-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-image) var(--ease-premium);
}

.blog-card:hover .blog-card__media img {
    transform: scale(1.04);
}

.blog-card__tag {
    position: absolute;
    top: 0.7rem;
    left: 0.7rem;
    padding: 0.28rem 0.55rem;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-primary);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(17, 41, 89, 0.08);
}

.blog-card__body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 1.05rem 1.1rem 1.2rem;
    gap: 0.45rem;
}

.blog-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    font-size: 0.72rem;
    color: var(--clr-text-muted);
}

.blog-card__title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.25;
    color: var(--clr-primary);
}

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

.blog-card__title a:hover {
    color: var(--clr-secondary);
}

.blog-card__excerpt {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--clr-text-muted);
}

.blog-card__link {
    margin-top: auto;
    padding-top: 0.55rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-primary);
    text-decoration: none;
}

.blog-card__link:hover {
    color: var(--clr-accent-brand);
}

.blog-empty {
    text-align: center;
    padding: 2.5rem 1rem;
    border: 1px dashed rgba(17, 41, 89, 0.18);
    background: rgba(255, 255, 255, 0.55);
    color: var(--clr-text-muted);
}

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

.blog-empty p {
    margin: 0 0 1rem;
}

/* Single post */
.blog-post__hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    background: #0c1a36;
    padding-top: var(--site-header-total, 7rem);
    min-height: calc(var(--site-header-total, 7rem) + clamp(240px, 32vh, 360px));
    display: flex;
    align-items: flex-end;
}

.blog-post__hero-media,
.blog-post__hero-veil {
    position: absolute;
    inset: 0;
}

.blog-post__hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.7) contrast(1.05);
}

.blog-post__hero-veil {
    background: linear-gradient(180deg, rgba(12, 26, 54, 0.45) 0%, rgba(12, 26, 54, 0.88) 100%);
}

.blog-post__hero-content {
    position: relative;
    z-index: 2;
    padding-top: 2rem;
    padding-bottom: clamp(2rem, 4vw, 3rem);
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.blog-post__back {
    display: inline-block;
    margin-bottom: 0.85rem;
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
}

.blog-post__back:hover {
    color: #fff;
}

.blog-post__category {
    display: inline-block;
    margin-bottom: 0.55rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
}

.blog-post__title {
    margin: 0 0 0.75rem;
    font-family: var(--font-heading);
    font-size: clamp(1.85rem, 4vw, 2.8rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.12;
    color: #fff;
}

.blog-post__byline {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.78);
}

.blog-post__body-wrap {
    background: var(--clr-bg-canvas, #faf9f7);
    padding: clamp(2rem, 4vw, 3.25rem) 0;
}

.blog-post__layout {
    max-width: 760px;
    margin: 0 auto;
}

.blog-post__lede {
    margin: 0 0 1.5rem;
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--clr-text-main);
    font-weight: 500;
}

.blog-post__content {
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--clr-text-main);
}

.blog-post__content p {
    margin: 0 0 1.15rem;
}

.blog-post__footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.85rem;
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(17, 41, 89, 0.12);
}

.blog-post-shell {
    padding: calc(var(--site-header-total, 7rem) + 2rem) 0 3rem;
}

.blog-related {
    padding: 2rem 0 3rem;
    background: #fff;
    border-top: 1px solid rgba(17, 41, 89, 0.08);
}

.blog-related__title {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    color: var(--clr-primary);
}

.blog-related__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.blog-related__list a {
    display: block;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(17, 41, 89, 0.1);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.blog-related__list a:hover {
    border-color: rgba(17, 41, 89, 0.22);
    background: rgba(17, 41, 89, 0.03);
}

.blog-related__cat {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-secondary);
}

.blog-related__list strong {
    font-size: 0.98rem;
    color: var(--clr-primary);
    font-weight: 600;
}

@media (max-width: 960px) {
    .blog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-card:hover {
        transform: none;
    }
}