/**
 * Lab journal — typography and colors match css/common.css and product pages (Inter, 16px base).
 */
:root {
    --color-bg: #e2f2f6;
    --color-bg-alt: #f5fbfc;
    --color-dark: #545658;
    --color-muted: #636466;
    --color-border: rgba(0, 0, 0, 0.08);
    --color-white: #ffffff;
    /* Theme accent: teal that pairs with site mint header (#E2F2F6) */
    --theme-accent: #3d6d7a;
    --theme-accent-soft: rgba(61, 109, 122, 0.12);
    --font: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
    --blog-prose: 40rem;
    --blog-img-ease: cubic-bezier(0.33, 1, 0.68, 1);
    --blog-img-duration: 0.55s;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    overflow-x: clip;
    scroll-behavior: smooth;
    scroll-padding-top: clamp(72px, 14vh, 120px);
}

body {
    font-family: var(--font);
    font-size: 16px;
    font-weight: 400;
    color: var(--color-muted);
    background: var(--color-white);
    line-height: 1.55;
    overflow-x: clip;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--color-dark);
}

a {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    color: var(--color-dark);
}

.blog-article-body a:hover,
.blog-disclaimer a:hover {
    color: var(--theme-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ——— Hub page ——— */
.blog-hub {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-white) 50%);
}

.blog-hub-hero-block {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(36px, 8vw, 72px) clamp(20px, 4vw, 48px) clamp(24px, 5vw, 40px);
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(24px, 4vw, 36px);
    align-items: center;
    background: linear-gradient(
        165deg,
        color-mix(in srgb, var(--color-bg) 72%, var(--color-white)) 0%,
        color-mix(in srgb, var(--color-bg-alt) 85%, var(--color-white)) 38%,
        transparent 72%
    );
}

@media (min-width: 960px) {
    .blog-hub-hero-block {
        grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
        column-gap: clamp(32px, 5vw, 56px);
    }
}

.blog-hub-hero {
    padding: 0;
    margin: 0;
    max-width: none;
    background: none;
}

.blog-hub-hero-figure {
    margin: 0;
    overflow: hidden;
    background: var(--color-bg);
}

.blog-hub-hero-figure img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    vertical-align: middle;
    transform: scale(1);
    transition:
        transform var(--blog-img-duration) var(--blog-img-ease),
        opacity 0.45s ease;
}

.blog-hub-hero-figure:hover img {
    transform: scale(1.04);
}

@media (hover: none) {
    .blog-hub-hero-figure:hover img {
        transform: none;
    }
}

@media (min-width: 960px) {
    .blog-hub-hero-figure img {
        aspect-ratio: 1 / 1;
        min-height: 320px;
    }
}

.blog-hub-kicker {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: lowercase;
    color: var(--theme-accent);
    margin-bottom: 10px;
}

.blog-hub-title {
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    line-height: 1.05;
    max-width: 14ch;
    margin-bottom: 16px;
}

.blog-hub-desc {
    max-width: 36rem;
    font-size: 16px;
    font-weight: 400;
    color: var(--color-muted);
}

/* Spotlight band: full viewport width; tall screens get a full-viewport “Inside the journal” band */
.blog-hub-spotlight {
    background: var(--color-bg);
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    margin-top: 0;
    margin-bottom: 0;
    padding: clamp(40px, 8vw, 72px) 0;
    box-sizing: border-box;
}

.blog-hub-spotlight-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 48px);
}

@media (min-width: 768px) {
    .blog-hub-spotlight {
        min-height: 100vh;
        min-height: 100dvh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding-top: clamp(48px, 8vh, 88px);
        padding-bottom: clamp(48px, 8vh, 88px);
    }
}

.blog-hub-spotlight-eyebrow {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: lowercase;
    color: var(--theme-accent);
    margin-bottom: 10px;
}

.blog-hub-spotlight-title {
    font-size: clamp(1.25rem, 3.2vw, 1.85rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-dark);
    margin: 0 0 clamp(28px, 5vw, 40px);
    max-width: 38rem;
    text-transform: lowercase;
}

.blog-hub-spotlight-panels {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(20px, 3vw, 28px);
}

@media (min-width: 768px) {
    .blog-hub-spotlight-panels {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: clamp(20px, 3vw, 32px);
    }
}

.blog-hub-spotlight-panel {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 14px 16px;
    align-items: start;
    margin: 0;
    padding: clamp(18px, 3vw, 22px) clamp(16px, 3vw, 20px);
    background: color-mix(in srgb, var(--color-white) 72%, var(--color-bg));
}

.blog-hub-spotlight-num {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    color: color-mix(in srgb, var(--theme-accent) 35%, var(--color-white));
    font-variant-numeric: tabular-nums;
}

.blog-hub-spotlight-panel-body {
    min-width: 0;
}

.blog-hub-spotlight-panel-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 6px;
    text-transform: lowercase;
    letter-spacing: -0.01em;
}

.blog-hub-spotlight-panel-body p {
    font-size: 15px;
    line-height: 1.55;
    color: var(--color-muted);
    margin: 0;
    font-weight: 400;
}

.blog-hub-spotlight-foot {
    font-size: 15px;
    line-height: 1.55;
    color: var(--color-muted);
    margin: clamp(28px, 5vw, 36px) 0 0;
    max-width: 40rem;
}

.blog-hub-spotlight-foot a {
    font-weight: 500;
}

.blog-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(12px, 3vw, 20px) clamp(20px, 4vw, 48px) clamp(64px, 12vw, 100px);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
    gap: clamp(28px, 4vw, 40px);
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: transparent;
    text-decoration: none;
    color: inherit;
    scroll-margin-top: 1.25rem;
}

.blog-card:hover {
    text-decoration: none;
    background: linear-gradient(180deg, var(--theme-accent-soft) 0%, transparent 48%);
}

.blog-card-img {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg);
}

.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    transition:
        transform var(--blog-img-duration) var(--blog-img-ease),
        opacity 0.4s ease;
}

.blog-card:hover .blog-card-img img,
.blog-card:focus-visible .blog-card-img img {
    transform: scale(1.05);
    opacity: 0.95;
}

@media (hover: none) {
    .blog-card:hover .blog-card-img img,
    .blog-card:focus-visible .blog-card-img img {
        transform: none;
        opacity: 1;
    }
}

.blog-card-body {
    padding: 18px 0 0;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 10px;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 16px;
    color: var(--color-muted);
    font-weight: 400;
}

.blog-card-meta span {
    opacity: 1;
}

.blog-card-meta span:first-child {
    color: var(--theme-accent);
    font-weight: 600;
}

.blog-card h2 {
    font-size: clamp(1.125rem, 2vw, 1.35rem);
    line-height: 1.25;
    font-weight: 700;
    color: var(--color-dark);
}

.blog-card p {
    font-size: 16px;
    line-height: 1.55;
    flex: 1;
    color: var(--color-muted);
    font-weight: 400;
}

.blog-card-cta {
    margin-top: 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-card:hover .blog-card-cta {
    color: var(--theme-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ——— Article: back to index ——— */
.blog-article-back {
    max-width: 1000px;
    margin: 0 auto;
    padding: clamp(20px, 4vw, 28px) clamp(20px, 4vw, 40px) clamp(8px, 2vw, 12px);
}

.blog-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font);
    font-size: 16px;
    font-weight: 500;
    color: var(--color-white);
    background: var(--color-dark);
    border: 1px solid var(--color-dark);
    cursor: pointer;
    text-decoration: none;
    line-height: 1.2;
}

a.blog-back-btn {
    color: var(--color-white);
}

.blog-back-btn:hover {
    background: var(--color-bg);
    color: var(--color-dark);
    border-color: var(--theme-accent);
    text-decoration: none;
}

/* ——— Article layout ——— */
.blog-article-wrap {
    background: linear-gradient(
        180deg,
        color-mix(in srgb, var(--color-bg) 28%, var(--color-white)) 0%,
        var(--color-bg-alt) 14%,
        var(--color-white) 42%
    );
    padding-bottom: clamp(48px, 10vw, 96px);
}

.blog-article-hero {
    max-width: 900px;
    margin: 0 auto;
    padding: clamp(28px, 6vw, 48px) clamp(20px, 4vw, 40px) clamp(24px, 4vw, 32px);
}

.blog-article-hero-inner {
    margin-bottom: 24px;
}

.blog-article-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--theme-accent);
    margin-bottom: 14px;
    padding: 6px 10px;
    background: var(--theme-accent-soft);
}

.blog-article-title {
    font-size: clamp(2rem, 4.5vw, 2.85rem);
    line-height: 1.08;
    margin-bottom: 16px;
}

.blog-article-dek {
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-muted);
    font-weight: 400;
    max-width: 38rem;
}

.blog-article-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-top: 20px;
    font-size: 16px;
    color: var(--color-muted);
    font-weight: 400;
}

.blog-article-meta-row time {
    font-weight: 500;
    color: var(--color-dark);
}

.blog-article-hero-img {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px) clamp(8px, 2vw, 12px);
}

.blog-article-hero-img figure {
    overflow: hidden;
}

.blog-article-hero-img img {
    width: 100%;
    display: block;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    transform: scale(1);
    transition: transform var(--blog-img-duration) var(--blog-img-ease);
}

.blog-article-hero-img figure:hover img {
    transform: scale(1.03);
}

@media (hover: none) {
    .blog-article-hero-img figure:hover img {
        transform: none;
    }
}

@media (max-width: 700px) {
    .blog-article-hero-img img {
        aspect-ratio: 4 / 3;
    }
}

.blog-article-hero-img figcaption {
    padding: 12px 0 0;
    margin-top: 0;
    font-size: 16px;
    line-height: 1.55;
    font-weight: 400;
    color: var(--color-muted);
}

.blog-article-body {
    max-width: calc(var(--blog-prose) + 8rem);
    margin: 0 auto;
    padding: clamp(32px, 6vw, 56px) clamp(20px, 4vw, 40px) 0;
}

.blog-article-body > p,
.blog-article-body > ul,
.blog-article-body > ol {
    max-width: var(--blog-prose);
    margin-left: auto;
    margin-right: auto;
}

.blog-article-body p {
    margin-bottom: 1.15em;
    font-size: 16px;
    line-height: 1.55;
    font-weight: 400;
    color: var(--color-muted);
}

.blog-article-body p.lede {
    font-size: 18px;
    line-height: 1.55;
    color: var(--color-dark);
    font-weight: 400;
}

.blog-article-body p.lede:first-letter {
    font-size: 3.1em;
    line-height: 0.85;
    font-weight: 700;
    float: left;
    margin-right: 0.12em;
    color: var(--theme-accent);
}

.blog-article-body h2 {
    font-size: 1.45rem;
    margin: 2.4em auto 0.65em;
    max-width: var(--blog-prose);
    padding-top: 0;
}

.blog-article-body h2:first-of-type {
    margin-top: 1.2em;
}

.blog-article-body h3 {
    font-size: 1.1rem;
    margin: 1.6em auto 0.5em;
    max-width: var(--blog-prose);
    font-weight: 700;
    color: var(--color-dark);
}

.blog-article-body ul,
.blog-article-body ol {
    margin-bottom: 1.2em;
    padding-left: 1.35em;
}

.blog-article-body li {
    margin-bottom: 0.45em;
    line-height: 1.65;
}

.blog-pullquote {
    max-width: var(--blog-prose);
    margin: 2em auto;
    padding: 0;
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-muted);
    font-weight: 400;
    font-style: italic;
}

.blog-figure {
    max-width: 52rem;
    margin: 2.5em auto;
}

.blog-figure figure {
    overflow: hidden;
}

.blog-figure img {
    width: 100%;
    display: block;
    vertical-align: middle;
    transform: scale(1);
    transition: transform var(--blog-img-duration) var(--blog-img-ease);
}

.blog-figure figure:hover img {
    transform: scale(1.02);
}

@media (hover: none) {
    .blog-figure figure:hover img {
        transform: none;
    }
}

/* Subtle fade-in when images paint (no JS); skipped when user prefers reduced motion */
@keyframes blog-img-fade-in {
    from {
        opacity: 0.85;
    }
    to {
        opacity: 1;
    }
}

.blog-hub-hero-figure img,
.blog-card-img img,
.blog-article-hero-img img,
.blog-figure img {
    animation: blog-img-fade-in 0.65s ease forwards;
}

@media (prefers-reduced-motion: reduce) {
    .blog-hub-hero-figure img,
    .blog-card-img img,
    .blog-article-hero-img img,
    .blog-figure img {
        animation: none;
        transition: none;
    }

    .blog-hub-hero-figure:hover img,
    .blog-card:hover .blog-card-img img,
    .blog-card:focus-visible .blog-card-img img,
    .blog-article-hero-img figure:hover img,
    .blog-figure figure:hover img {
        transform: none;
    }
}

.blog-figure figcaption {
    padding: 12px 0 0;
    font-size: 16px;
    line-height: 1.55;
    font-weight: 400;
    color: var(--color-muted);
}

.blog-disclaimer {
    max-width: var(--blog-prose);
    margin: 2.5em auto 0;
    padding: 0 0 2rem;
    font-size: 16px;
    line-height: 1.55;
    font-weight: 400;
    color: var(--color-muted);
    font-style: italic;
}