:root {
    --ink: #111210;
    --ink-soft: #252722;
    --paper: #f4f1e8;
    --paper-deep: #e9e5da;
    --signal: #b7f34a;
    --muted: #686a63;
    --line: rgba(17, 18, 16, 0.2);
    --line-dark: rgba(244, 241, 232, 0.22);
    --pad: clamp(24px, 5vw, 76px);
    --sans: "Manrope", Arial, sans-serif;
    --serif: "Source Serif 4", Georgia, serif;
    --mono: "DM Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 0;
}

::selection { background: var(--signal); color: var(--ink); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, blockquote { margin: 0; }
h1, h2, h3 { line-height: 1; letter-spacing: 0; }
svg { display: block; }

.skip-link {
    position: fixed;
    top: -80px;
    left: 16px;
    z-index: 1000;
    padding: 12px 18px;
    background: var(--signal);
    border-radius: 3px;
    font-weight: 700;
}
.skip-link:focus { top: 16px; }

.journal-header {
    min-height: 82px;
    padding: 0 var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    border-bottom: 1px solid var(--line);
}
.journal-brand { display: flex; align-items: center; gap: 13px; }
.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 1px solid var(--ink);
    font-family: var(--mono);
    font-size: 12px;
}
.journal-brand > span:last-child { display: flex; flex-direction: column; line-height: 1.15; }
.journal-brand strong { font-size: 14px; }
.journal-brand small { margin-top: 5px; color: var(--muted); font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.journal-header nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 44px); font-size: 12px; font-weight: 700; }
.journal-header nav > a { border-bottom: 1px solid transparent; }
.journal-header nav > a:hover, .journal-header nav > a:focus-visible { border-color: var(--ink); }
.portfolio-link { display: inline-flex; align-items: center; gap: 8px; }
.portfolio-link svg { width: 15px; height: 15px; }

.journal-intro {
    min-height: min(700px, calc(100svh - 82px));
    padding: clamp(56px, 8vw, 112px) var(--pad) 54px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
}
.intro-topline { display: flex; justify-content: space-between; gap: 28px; font-family: var(--mono); font-size: 10px; text-transform: uppercase; }
.intro-topline p:last-child { color: var(--muted); }
.journal-intro h1 { max-width: 1200px; margin: 60px 0; font-size: clamp(66px, 11vw, 164px); font-weight: 700; }
.intro-footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 50px; }
.intro-footer > p { max-width: 690px; color: var(--muted); font-size: clamp(17px, 1.7vw, 23px); }
.author-chip { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.author-chip img, .article-byline img { width: 54px; height: 54px; object-fit: cover; object-position: center top; filter: grayscale(1); }
.author-chip p, .article-byline p { display: flex; flex-direction: column; line-height: 1.3; }
.author-chip strong, .article-byline strong { font-size: 12px; }
.author-chip span, .article-byline span { margin-top: 5px; color: var(--muted); font-family: var(--mono); font-size: 8px; text-transform: uppercase; }

.section-label, .article-meta { font-family: var(--mono); font-size: 10px; font-weight: 500; text-transform: uppercase; }
.article-index { padding: clamp(90px, 11vw, 160px) var(--pad); }
.index-heading { margin-bottom: clamp(58px, 8vw, 104px); display: grid; grid-template-columns: .42fr 1.58fr; gap: 40px; }
.index-heading h2 { font-size: clamp(50px, 7vw, 104px); font-weight: 600; }
.featured-article {
    min-height: 470px;
    padding: clamp(30px, 4vw, 60px) 0;
    display: grid;
    grid-template-columns: .3fr 1.35fr .55fr;
    gap: clamp(28px, 5vw, 76px);
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
}
.article-number { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.article-copy { display: flex; flex-direction: column; align-items: flex-start; }
.article-copy .article-meta { color: var(--muted); }
.article-copy h3 { max-width: 850px; margin: 32px 0 28px; font-size: clamp(36px, 5.5vw, 78px); font-weight: 600; }
.article-copy > p { max-width: 720px; color: var(--muted); font-size: clamp(16px, 1.4vw, 20px); }
.read-link { margin-top: auto; padding-top: 42px; display: inline-flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--ink); font-size: 12px; font-weight: 700; }
.read-link svg { width: 16px; height: 16px; transition: transform 180ms ease; }
.featured-article:hover .read-link svg { transform: translateX(4px); }
.article-topics { display: flex; align-items: flex-start; align-content: flex-start; flex-wrap: wrap; gap: 8px; }
.article-topics span { padding: 6px 9px; border: 1px solid var(--line); font-family: var(--mono); font-size: 8px; text-transform: uppercase; }

.topic-band { padding: clamp(90px, 11vw, 160px) var(--pad); background: var(--ink); color: var(--paper); }
.topic-band .section-label { color: var(--signal); }
.topic-layout { margin-top: 60px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; }
.topic-layout h2 { font-size: clamp(44px, 6vw, 86px); font-weight: 600; }
.topic-layout ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.topic-layout li { padding: 25px 0; display: grid; grid-template-columns: 52px 1fr; gap: 22px; border-bottom: 1px solid var(--line-dark); }
.topic-layout li span { color: var(--signal); font-family: var(--mono); font-size: 9px; }
.topic-layout li p { color: #c4c6bf; font-size: clamp(16px, 1.4vw, 20px); }

.journal-cta { padding: clamp(90px, 11vw, 160px) var(--pad); background: var(--signal); }
.journal-cta h2 { max-width: 1200px; margin: 45px 0 58px; font-size: clamp(52px, 8.5vw, 126px); font-weight: 600; }
.journal-cta > div { display: flex; align-items: center; flex-wrap: wrap; gap: 30px; }
.journal-cta a { display: inline-flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 700; }
.journal-cta svg { width: 17px; height: 17px; }
.journal-cta .button-light { min-height: 50px; padding: 0 19px; border: 0; background: var(--ink); color: var(--paper); border-radius: 3px; }

.journal-footer { min-height: 92px; padding: 26px var(--pad); display: flex; align-items: center; justify-content: space-between; gap: 30px; background: var(--ink); color: var(--paper); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.journal-footer div { display: flex; gap: 28px; }
.journal-footer a:hover, .journal-footer a:focus-visible { color: var(--signal); }

.article-hero { padding: clamp(72px, 9vw, 130px) var(--pad) clamp(64px, 8vw, 112px); border-bottom: 1px solid var(--line); }
.article-hero .article-meta { color: var(--muted); }
.article-hero .article-meta a { color: var(--ink); border-bottom: 1px solid var(--ink); }
.article-hero h1 { max-width: 1250px; margin: 42px 0; font-size: clamp(57px, 9vw, 132px); font-weight: 600; }
.article-deck { max-width: 930px; color: var(--muted); font-size: clamp(19px, 2vw, 28px); line-height: 1.45; }
.article-byline { margin-top: 52px; display: flex; align-items: center; gap: 14px; }

.article-layout { padding: clamp(72px, 9vw, 130px) var(--pad); display: grid; grid-template-columns: minmax(190px, .5fr) minmax(0, 1.5fr); gap: clamp(55px, 10vw, 150px); align-items: start; }
.article-rail { position: sticky; top: 40px; }
.article-rail ol { margin: 24px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.article-rail li { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.article-rail a:hover, .article-rail a:focus-visible { color: var(--ink); }
.article-body { max-width: 790px; }
.article-body p, .article-body li { font-family: var(--serif); font-size: clamp(18px, 1.45vw, 22px); line-height: 1.72; }
.article-body > p + p { margin-top: 25px; }
.article-body .article-opening { font-size: clamp(23px, 2vw, 30px); line-height: 1.55; }
.article-body h2 { margin: 82px 0 28px; font-size: clamp(34px, 4vw, 57px); font-weight: 600; }
.article-body blockquote { margin: 52px 0; padding: 34px 0 34px 34px; border-left: 5px solid var(--signal); font-family: var(--serif); font-size: clamp(27px, 3vw, 43px); line-height: 1.25; }
.article-body ul { margin: 28px 0; padding-left: 24px; }
.article-body li + li { margin-top: 10px; }

.state-sequence { margin: 46px 0; border-top: 1px solid var(--ink); }
.state-sequence > div { padding: 23px 0; display: grid; grid-template-columns: 45px 190px 1fr; gap: 20px; border-bottom: 1px solid var(--line); align-items: baseline; }
.state-sequence span { font-family: var(--mono); font-size: 9px; }
.state-sequence h3 { font-size: 18px; font-weight: 700; }
.state-sequence p { color: var(--muted); font-family: var(--sans); font-size: 14px; line-height: 1.6; }
.principle-panel { margin: 54px 0; padding: 32px; background: var(--ink); color: var(--paper); }
.principle-panel .section-label { color: var(--signal); font-family: var(--mono); font-size: 9px; }
.principle-panel p:last-child { margin-top: 20px; font-family: var(--sans); font-size: clamp(20px, 2vw, 28px); line-height: 1.4; }

.article-end { margin: 0 var(--pad); padding: 48px 0 80px; display: grid; grid-template-columns: 1fr auto auto; gap: 30px; border-top: 1px solid var(--ink); align-items: center; }
.article-end a { display: inline-flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; }
.article-end svg { width: 16px; height: 16px; }

a:focus-visible { outline: 2px solid var(--signal); outline-offset: 5px; }

@media (max-width: 900px) {
    .journal-intro { min-height: auto; }
    .journal-intro h1 { margin: 80px 0; }
    .index-heading, .topic-layout { grid-template-columns: 1fr; }
    .featured-article { grid-template-columns: 52px 1fr; }
    .article-topics { grid-column: 2; }
    .article-layout { grid-template-columns: 1fr; }
    .article-rail { position: static; }
    .article-rail ol { display: grid; grid-template-columns: repeat(2, 1fr); }
    .article-rail li:nth-child(odd) { padding-right: 18px; }
    .article-rail li:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line); }
}

@media (max-width: 620px) {
    .journal-header { min-height: 70px; }
    .journal-brand strong { display: none; }
    .journal-brand small { margin: 0; font-size: 8px; }
    .journal-header nav { gap: 18px; }
    .journal-header nav > a:not(.portfolio-link) { display: none; }
    .journal-intro { padding-top: 50px; }
    .intro-topline p:last-child { display: none; }
    .journal-intro h1 { margin: 70px 0; font-size: 59px; }
    .intro-footer { align-items: flex-start; flex-direction: column; gap: 34px; }
    .article-index, .topic-band, .journal-cta { padding-top: 82px; padding-bottom: 82px; }
    .index-heading { margin-bottom: 52px; }
    .index-heading h2 { font-size: 47px; }
    .featured-article { min-height: 0; grid-template-columns: 1fr; gap: 28px; }
    .article-copy h3 { margin-top: 24px; font-size: 37px; }
    .read-link { margin-top: 36px; padding-top: 0; }
    .article-topics { grid-column: auto; }
    .topic-layout { margin-top: 42px; }
    .topic-layout h2 { font-size: 43px; }
    .journal-cta h2 { font-size: 49px; }
    .journal-footer { align-items: flex-start; flex-direction: column; }
    .article-hero { padding-top: 62px; }
    .article-hero h1 { margin: 34px 0; font-size: 54px; }
    .article-layout { padding-top: 62px; padding-bottom: 72px; gap: 52px; }
    .article-rail ol { grid-template-columns: 1fr; }
    .article-rail li:nth-child(odd), .article-rail li:nth-child(even) { padding: 12px 0; border-left: 0; }
    .article-body h2 { margin-top: 65px; font-size: 35px; }
    .article-body blockquote { padding-left: 22px; font-size: 28px; }
    .state-sequence > div { grid-template-columns: 32px 1fr; }
    .state-sequence p { grid-column: 2; }
    .principle-panel { padding: 24px; }
    .article-end { grid-template-columns: 1fr; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; }
}