:root {
    --blog-shell: min(1480px, calc(100vw - var(--rb-page) * 2));
    --blog-copy: rgba(244, 243, 239, 0.68);
    --blog-muted: rgba(184, 228, 255, 0.68);
    --blog-line: rgba(184, 228, 255, 0.16);
}

body.blog-page {
    min-height: 100%;
    background: var(--rb-bg);
}

.blog-page main { overflow-x: clip; overflow-y: visible; }
.blog-shell { width: var(--blog-shell); margin-inline: auto; }

.skip-link {
    position: fixed;
    left: 1rem;
    top: 1rem;
    z-index: 1000;
    transform: translateY(-160%);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    background: var(--rb-cyan);
    color: var(--rb-bg);
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}
.skip-link:focus { transform: none; }

.blog-page .navbar-links a[aria-current="page"] { color: var(--rb-cyan); }

.editorial-vector {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}
.editorial-vector svg { width: 100%; height: 100%; }
.editorial-vector path {
    fill: none;
    stroke: rgba(112, 178, 240, 0.28);
    stroke-width: 1;
    stroke-dasharray: 2 9;
    vector-effect: non-scaling-stroke;
    animation: blog-vector-flow 18s linear infinite;
}
.editorial-vector path:nth-child(even) { stroke: rgba(184, 228, 255, 0.16); animation-duration: 25s; }

@keyframes blog-vector-flow { to { stroke-dashoffset: -220; } }

.blog-reveal {
    opacity: 1;
    transform: none;
}
.blog-motion-ready .blog-reveal {
    opacity: 0;
    transform: translate3d(0, 24px, 0);
    transition: opacity 720ms ease, transform 820ms var(--rb-ease);
}
.blog-motion-ready .blog-reveal.is-visible { opacity: 1; transform: none; }

/* Blog index */
.blog-index-hero {
    position: relative;
    min-height: 100svh;
    padding: clamp(10rem, 17vh, 12.5rem) 0 clamp(5rem, 9vh, 7.5rem);
    isolation: isolate;
}
.editorial-vector--index { top: 4rem; height: 45rem; opacity: 0.8; z-index: -1; }
.blog-index-heading { max-width: 960px; }
.blog-index-heading h1 {
    font-family: var(--font-display);
    font-size: clamp(4.6rem, 7.5vw, 8.1rem);
    font-weight: 400;
    line-height: 0.92;
    letter-spacing: -0.045em;
}
.blog-index-heading h1 em { font-weight: 400; }
.blog-index-heading p {
    max-width: 780px;
    margin-top: 1.7rem;
    color: var(--blog-copy);
    font-size: clamp(1rem, 1.35vw, 1.25rem);
    font-weight: 300;
    line-height: 1.65;
}

.featured-post {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: center;
    gap: clamp(3rem, 6vw, 7rem);
    margin-top: clamp(4.5rem, 9vh, 7.5rem);
}
.featured-post-media {
    position: relative;
    display: block;
    overflow: hidden;
    background: #071426;
    aspect-ratio: 8 / 3;
    border-radius: 2px;
}
.featured-post-media::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(184, 228, 255, 0.13);
    pointer-events: none;
}
.featured-post-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.1s var(--rb-ease), filter 1.1s ease;
}
.featured-post-media:hover img { transform: scale(1.018); filter: brightness(1.06); }
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
    color: var(--rb-cyan);
    font-size: 0.68rem;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.featured-post-copy h2 {
    margin-top: 1.25rem;
    font-family: var(--font-display);
    font-size: clamp(2.85rem, 3.8vw, 4.7rem);
    font-weight: 400;
    line-height: 0.98;
    letter-spacing: -0.035em;
}
.featured-post-copy { min-width: 0; }
.featured-post-copy h2 a { color: var(--rb-ink); text-decoration: none; }
.featured-post-copy > p:not(.article-meta) {
    max-width: 620px;
    margin-top: 1.55rem;
    color: var(--blog-copy);
    font-size: clamp(1rem, 1.25vw, 1.16rem);
    font-weight: 300;
    line-height: 1.58;
}
.text-link,
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    color: var(--rb-cyan);
    text-decoration: none;
}
.text-link {
    margin-top: 2rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.text-link svg,
.back-link svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.35;
    transition: transform var(--rb-fast) ease;
}
.text-link:hover svg { transform: translateX(5px); }

/* Article hero */
.article-hero {
    position: relative;
    padding: clamp(8.75rem, 14vh, 11rem) 0 0;
    isolation: isolate;
}
.editorial-vector--article { top: 3.5rem; height: 38rem; z-index: -1; opacity: 0.72; }
.back-link {
    color: rgba(184, 228, 255, 0.78);
    font-size: 0.74rem;
    font-weight: 400;
    letter-spacing: 0.08em;
}
.back-link:hover svg { transform: translateX(-4px); }
.article-heading { max-width: 1260px; margin-top: 2.15rem; }
.article-heading h1 {
    font-family: var(--font-display);
    font-size: clamp(4.2rem, 6.35vw, 7.35rem);
    font-weight: 400;
    line-height: 0.94;
    letter-spacing: -0.045em;
    text-wrap: balance;
}
.article-dek {
    max-width: 830px;
    margin-top: 1.6rem;
    color: var(--blog-copy);
    font-size: clamp(1.08rem, 1.45vw, 1.38rem);
    font-weight: 300;
    line-height: 1.55;
}
.article-heading .article-meta { margin-top: 2rem; }
.article-hero-media {
    position: relative;
    margin-top: clamp(2.5rem, 6vh, 4.25rem);
    overflow: hidden;
    aspect-ratio: 8 / 3;
    background: #071426;
    border-radius: 3px;
}
.article-hero-media::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(184, 228, 255, 0.13);
    pointer-events: none;
}
.article-hero-media img { width: 100%; height: 100%; object-fit: cover; }

/* Article body */
.article-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(3rem, 7vw, 8rem);
    align-items: start;
    padding-top: clamp(4rem, 8vw, 8rem);
    padding-bottom: clamp(6rem, 10vw, 10rem);
}
.article-toc {
    position: sticky;
    top: 7rem;
    padding-left: 1.2rem;
}
.article-toc > p {
    color: var(--rb-cyan);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}
.article-toc nav { display: grid; gap: 1rem; margin-top: 1.35rem; }
.article-toc a {
    color: rgba(244, 243, 239, 0.46);
    font-size: 0.82rem;
    font-weight: 300;
    line-height: 1.3;
    text-decoration: none;
    transition: color var(--rb-fast) ease, transform var(--rb-fast) ease;
}
.article-toc a:hover,
.article-toc a.is-active { color: var(--rb-ink); transform: translateX(4px); }
.article-toc-track {
    position: absolute;
    left: 0;
    top: 3.15rem;
    bottom: 0.15rem;
    width: 1px;
    background: rgba(184, 228, 255, 0.12);
}
.article-toc-progress {
    display: block;
    width: 100%;
    height: var(--article-progress, 0%);
    background: var(--rb-cyan);
    transition: height 140ms linear;
}
.article-copy { min-width: 0; }
.article-lede {
    max-width: 920px;
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.2vw, 3.6rem);
    font-weight: 400;
    line-height: 1.13;
    letter-spacing: -0.025em;
}
.article-lede p + p { margin-top: 1.4rem; color: rgba(244, 243, 239, 0.72); }

.impact-section {
    position: relative;
    margin-top: clamp(5.5rem, 10vw, 10rem);
    padding-bottom: clamp(2.5rem, 4vw, 4rem);
    overflow: hidden;
    scroll-margin-top: 8rem;
}
.impact-section > h2 {
    color: var(--rb-cyan);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.impact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 2.2rem; }
.impact-item { min-width: 0; padding: 0 clamp(1.4rem, 3vw, 3.5rem); }
.impact-item:first-child { padding-left: 0; }
.impact-item + .impact-item { border-left: 1px solid rgba(184, 228, 255, 0.22); }
.impact-item strong {
    display: block;
    color: var(--rb-cyan);
    font-family: var(--font-display);
    font-size: clamp(4rem, 6.4vw, 7rem);
    font-weight: 400;
    line-height: 0.9;
    letter-spacing: -0.04em;
    white-space: nowrap;
}
.impact-item p {
    max-width: 310px;
    margin-top: 1.45rem;
    color: var(--blog-copy);
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.55;
}
.impact-vector { height: 160px; margin-top: 0.5rem; opacity: 0.78; }
.impact-vector svg { width: 100%; height: 100%; }
.impact-vector path {
    fill: none;
    stroke: rgba(184, 228, 255, 0.4);
    stroke-width: 1;
    stroke-dasharray: 2 8;
    vector-effect: non-scaling-stroke;
}

.case-section {
    display: grid;
    grid-template-columns: minmax(220px, 0.36fr) minmax(0, 0.64fr);
    gap: clamp(2.5rem, 6vw, 7rem);
    margin-top: clamp(5rem, 9vw, 9rem);
    scroll-margin-top: 8rem;
}
.impact-section + .case-section { margin-top: clamp(3rem, 5vw, 5rem); }
.case-section-heading span {
    display: block;
    margin-bottom: 1.25rem;
    color: var(--rb-cyan);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
}
.case-section-heading h2 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 4.25vw, 5rem);
    font-weight: 400;
    line-height: 0.96;
    letter-spacing: -0.035em;
}
.case-section-body { max-width: 770px; }
.case-section-body > p {
    color: var(--blog-copy);
    font-size: clamp(1.04rem, 1.25vw, 1.18rem);
    font-weight: 300;
    line-height: 1.78;
}
.case-section-body > p + p { margin-top: 1.35rem; }
.case-section blockquote {
    margin-top: 2.6rem;
    padding-left: 1.6rem;
    border-left: 1px solid var(--rb-cyan);
    color: var(--rb-ink);
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 2.6vw, 2.8rem);
    font-weight: 400;
    line-height: 1.2;
}

.build-sequence { list-style: none; margin-top: 3rem; }
.build-sequence li {
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 1.2rem;
    align-items: start;
    padding: 1.35rem 0;
}
.build-sequence li + li { margin-top: 0.35rem; }
.build-sequence li > span {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(184, 228, 255, 0.32);
    border-radius: 50%;
    color: var(--rb-cyan);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
}
.build-sequence strong {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
}
.build-sequence p {
    margin-top: 0.3rem;
    color: var(--blog-copy);
    font-size: 0.98rem;
    font-weight: 300;
    line-height: 1.5;
}

.article-cta {
    position: relative;
    min-height: 72vh;
    display: grid;
    place-items: center;
    padding: 7rem var(--rb-page);
    overflow: hidden;
    isolation: isolate;
}
.editorial-vector--cta { z-index: -1; opacity: 0.72; }
.article-cta-inner { width: min(1040px, 100%); text-align: center; }
.article-cta h2 {
    font-family: var(--font-display);
    font-size: clamp(3.8rem, 7vw, 7.2rem);
    font-weight: 400;
    line-height: 0.97;
    letter-spacing: -0.045em;
    text-wrap: balance;
}
.article-cta .signal-button { margin-top: 3rem; }

.blog-footer { border-top: 0; }

@media (max-width: 1100px) {
    .featured-post { grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); gap: 3rem; }
    .article-layout { grid-template-columns: 180px minmax(0, 1fr); gap: 3.5rem; }
    .impact-item { padding-inline: 1.4rem; }
}

@media (max-width: 900px) {
    .featured-post { grid-template-columns: 1fr; align-items: start; }
    .featured-post-copy { max-width: 740px; }
    .article-layout { display: block; }
    .article-toc {
        position: relative;
        top: auto;
        padding: 0 0 3rem;
        overflow-x: auto;
        scrollbar-width: none;
    }
    .article-toc::-webkit-scrollbar { display: none; }
    .article-toc nav { display: flex; width: max-content; gap: 1.5rem; }
    .article-toc-track { display: none; }
    .article-toc a { white-space: nowrap; }
    .article-copy { margin-top: 1.5rem; }
    .case-section { grid-template-columns: 1fr; gap: 2rem; }
    .case-section-heading { max-width: 560px; }
}

@media (max-width: 720px) {
    :root { --blog-shell: calc(100vw - var(--rb-page) * 2); }
    .blog-index-hero { padding-top: 8.5rem; }
    .blog-index-heading h1 { font-size: clamp(3.65rem, 16vw, 5.8rem); }
    .blog-index-heading p { max-width: 540px; }
    .featured-post { margin-top: 4rem; gap: 2rem; }
    .featured-post-media { aspect-ratio: 16 / 9; }
    .featured-post-media img { object-position: 70% center; }
    .featured-post-copy h2 { font-size: clamp(2.65rem, 12vw, 4.3rem); }
    .article-hero { padding-top: 7.8rem; }
    .article-heading { margin-top: 1.65rem; }
    .article-heading h1 { font-size: clamp(3.2rem, 14vw, 5rem); line-height: 0.98; }
    .article-hero-media { aspect-ratio: 16 / 9; }
    .article-hero-media img { object-position: 67% center; }
    .article-layout { padding-top: 3.5rem; }
    .article-lede { font-size: clamp(1.8rem, 8vw, 2.6rem); }
    .impact-section { margin-top: 5rem; padding-bottom: 2rem; }
    .impact-grid { grid-template-columns: 1fr; gap: 2.75rem; }
    .impact-item,
    .impact-item:first-child { padding: 0; }
    .impact-item + .impact-item { border-left: 0; }
    .impact-item strong { font-size: clamp(4.2rem, 20vw, 6.4rem); }
    .impact-vector { display: none; }
    .case-section { margin-top: 5.5rem; }
    .case-section-heading h2 { font-size: clamp(2.8rem, 13vw, 4rem); }
    .case-section blockquote { font-size: clamp(1.8rem, 8.5vw, 2.7rem); }
    .article-cta { min-height: 68svh; padding-inline: var(--rb-page); }
    .article-cta h2 { font-size: clamp(3.2rem, 14vw, 5.2rem); }
}

@media (max-width: 430px) {
    .blog-index-heading h1 { font-size: 3.65rem; }
    .featured-post-media { aspect-ratio: 16 / 9; }
    .article-heading h1 { font-size: 3.15rem; }
    .article-dek { font-size: 1rem; }
    .article-meta { gap: 0.45rem; font-size: 0.61rem; }
    .article-hero-media { aspect-ratio: 16 / 9; }
    .article-lede { font-size: 1.78rem; }
    .build-sequence li { grid-template-columns: 46px minmax(0, 1fr); gap: 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
    .editorial-vector path { animation: none; }
    .featured-post-media img { transition: none; }
}