:root {
    color-scheme: dark;
    --pub-bg: #020617;
    --pub-panel: rgba(6, 15, 38, .78);
    --pub-panel-strong: #07132d;
    --pub-line: rgba(86, 137, 220, .24);
    --pub-text: #f8fafc;
    --pub-muted: #9aabc8;
    --pub-cyan: #22d3ee;
    --pub-blue: #3b82f6;
    --pub-violet: #8b5cf6;
    --pub-green: #34d399;
    --pub-red: #fb5b67;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.publisher-page {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 82% 4%, rgba(82, 45, 180, .19), transparent 28rem),
        radial-gradient(circle at 12% 34%, rgba(14, 116, 144, .13), transparent 25rem),
        var(--pub-bg);
    color: var(--pub-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
}

.publisher-page a { color: inherit; }
.publisher-skip {
    position: fixed;
    z-index: 9999;
    top: -5rem;
    left: 1rem;
    padding: .7rem 1rem;
    border-radius: .65rem;
    background: white;
    color: #020617 !important;
}
.publisher-skip:focus { top: 1rem; }

.publisher-header {
    position: sticky;
    z-index: 100;
    top: 0;
    display: grid;
    grid-template-columns: minmax(13rem, 20rem) 1fr auto;
    align-items: center;
    gap: 1.6rem;
    min-height: 5.2rem;
    padding: .8rem clamp(1rem, 4vw, 4.5rem);
    border-bottom: 1px solid rgba(101, 133, 182, .2);
    background: rgba(2, 6, 23, .91);
    backdrop-filter: blur(18px);
}
.publisher-logo { display: flex; align-items: center; width: min(19rem, 100%); }
.publisher-logo img, .publisher-logo svg { display: block; max-width: 100%; max-height: 3.6rem; }
.publisher-nav { display: flex; justify-content: center; gap: clamp(.75rem, 2vw, 2rem); }
.publisher-nav a, .publisher-login {
    color: #aebbd2;
    font-size: .92rem;
    font-weight: 750;
    text-decoration: none;
}
.publisher-nav a:hover, .publisher-login:hover { color: white; }
.publisher-actions { display: flex; align-items: center; gap: 1rem; }
.publisher-cta, .publisher-primary, .publisher-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.8rem;
    padding: .72rem 1.15rem;
    border: 1px solid transparent;
    border-radius: .75rem;
    font-weight: 800;
    text-decoration: none;
}
.publisher-cta, .publisher-primary { background: linear-gradient(110deg, #1689eb, #6d46ea); color: white; }
.publisher-secondary { border-color: rgba(116, 159, 225, .42); background: #071228; color: #e7efff; }

.publisher-hero, .content-hero, .publisher-section, .guide-layout {
    width: min(1180px, calc(100% - 2rem));
    margin-inline: auto;
}
.publisher-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(20rem, .65fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: center;
    min-height: 43rem;
    padding: 6rem 0;
}
.publisher-eyebrow, .publisher-section-heading > span, .about-grid article > span {
    color: var(--pub-cyan);
    font-size: .76rem;
    font-weight: 900;
    letter-spacing: .18em;
    text-transform: uppercase;
}
.publisher-hero h1, .content-hero h1, .guide-hero h1 {
    max-width: 16ch;
    margin: .7rem 0 1.25rem;
    font-size: clamp(2.8rem, 6vw, 5.3rem);
    line-height: 1.02;
    letter-spacing: -.055em;
}
.publisher-hero-copy > p, .content-hero > p, .guide-hero > p {
    max-width: 48rem;
    margin: 0;
    color: #aab7cf;
    font-size: clamp(1.05rem, 1.7vw, 1.3rem);
}
.publisher-hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 1.2rem; }
.publisher-trust-note { font-size: .86rem !important; color: #7888a7 !important; }
.publisher-framework {
    padding: 1.4rem;
    border: 1px solid rgba(68, 150, 233, .37);
    border-radius: 1.5rem;
    background: linear-gradient(145deg, rgba(8, 32, 70, .95), rgba(12, 10, 48, .95));
    box-shadow: 0 2rem 6rem rgba(0, 0, 0, .34);
}
.framework-label { margin: .3rem .35rem 1rem; color: #8ca4ca; font-size: .78rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.publisher-framework ol { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.publisher-framework li { display: grid; grid-template-columns: 2.6rem 1fr; gap: .8rem; padding: 1rem; border: 1px solid var(--pub-line); border-radius: 1rem; background: rgba(2, 8, 24, .54); }
.publisher-framework li > span { color: var(--pub-cyan); font-family: ui-monospace, monospace; font-weight: 800; }
.publisher-framework strong { display: block; }
.publisher-framework p { margin: .2rem 0 0; color: var(--pub-muted); font-size: .9rem; line-height: 1.5; }

.publisher-section { padding: 4.5rem 0; }
.publisher-section-heading { max-width: 49rem; margin-bottom: 2rem; }
.publisher-section h2, .guide-article h2 { margin: .35rem 0 .7rem; font-size: clamp(1.75rem, 3vw, 2.65rem); line-height: 1.15; letter-spacing: -.035em; }
.publisher-section-heading p { margin: 0; color: var(--pub-muted); font-size: 1.05rem; }
.principle-grid, .guide-card-grid, .about-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.principle-grid article, .guide-card, .about-grid article, .learning-standard, .about-detail, .about-links, .policy-article {
    border: 1px solid var(--pub-line);
    border-radius: 1.2rem;
    background: var(--pub-panel);
}
.principle-grid article, .guide-card, .about-grid article { padding: clamp(1.35rem, 3vw, 2rem); }
.principle-grid b { color: var(--pub-cyan); font-family: ui-monospace, monospace; }
.principle-grid h3, .guide-card h2, .guide-card h3, .about-grid h2 { margin: .55rem 0; line-height: 1.2; }
.principle-grid p, .guide-card p, .about-grid p { margin: 0; color: var(--pub-muted); }
.guide-card { position: relative; overflow: hidden; }
.guide-card::before { position: absolute; content: ""; inset: 0 auto 0 0; width: 3px; background: linear-gradient(var(--pub-cyan), var(--pub-violet)); }
.guide-card-meta { color: #7387aa; font-size: .77rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.guide-card h2 a, .guide-card h3 a { text-decoration: none; }
.guide-card h2 a:hover, .guide-card h3 a:hover { color: var(--pub-cyan); }
.guide-card-link { display: inline-flex; gap: .5rem; margin-top: 1.2rem; color: #62dff2 !important; font-weight: 800; text-decoration: none; }
.publisher-audit-strip { display: grid; grid-template-columns: 1fr 1.3fr auto; gap: 2rem; align-items: center; border-block: 1px solid var(--pub-line); }
.audit-list p { margin: .6rem 0; color: var(--pub-muted); }
.audit-list strong { color: white; }
.publisher-disclaimer { max-width: 900px; }
.publisher-disclaimer p, .about-detail p, .policy-article p { color: var(--pub-muted); }

.content-hero { padding: 7rem 0 3.4rem; }
.content-hero h1 { max-width: 18ch; }
.guide-card-grid-large .guide-card { min-height: 15rem; }
.learning-standard { display: grid; grid-template-columns: .8fr 1.4fr auto; gap: 2rem; align-items: center; padding: 2rem; }
.learning-standard p { color: var(--pub-muted); }
.learning-standard a, .about-links a { color: var(--pub-cyan); font-weight: 800; }

.guide-layout { padding: 5rem 0 1rem; }
.guide-hero { max-width: 920px; }
.guide-hero > a { color: #8ca0c4; text-decoration: none; }
.guide-hero h1 { max-width: 18ch; font-size: clamp(2.6rem, 5vw, 4.8rem); }
.guide-review-line { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.5rem; }
.guide-review-line span { padding: .38rem .65rem; border: 1px solid var(--pub-line); border-radius: 99rem; color: #90a3c2; font-size: .77rem; }
.guide-body { display: grid; grid-template-columns: 16rem minmax(0, 47rem); gap: clamp(2rem, 6vw, 6rem); justify-content: center; margin-top: 4rem; }
.guide-toc { position: sticky; top: 7rem; align-self: start; display: grid; gap: .75rem; padding: 1.1rem; border-left: 1px solid #275894; }
.guide-toc strong { color: white; }
.guide-toc a { color: #8397b8; font-size: .87rem; line-height: 1.35; text-decoration: none; }
.guide-toc a:hover { color: var(--pub-cyan); }
.guide-article { color: #c9d4e7; font-size: 1.07rem; }
.guide-intro { padding-left: 1.2rem; border-left: 3px solid var(--pub-cyan); color: white; font-size: 1.16rem; }
.guide-article section { scroll-margin-top: 7rem; margin: 0 0 3.2rem; }
.guide-article h2 { color: white; font-size: 1.8rem; }
.guide-article p { margin: .8rem 0; }
.guide-takeaway, .guide-risk-note { padding: 1.5rem; border: 1px solid rgba(52, 211, 153, .3); border-radius: 1rem; background: rgba(6, 78, 59, .13); }
.guide-example { padding: 1.5rem; border: 1px solid rgba(34, 211, 238, .3); border-radius: 1rem; background: linear-gradient(135deg, rgba(8, 47, 73, .38), rgba(46, 16, 101, .2)); }
.guide-example-label { color: var(--pub-cyan); font-size: .74rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.guide-example ol { display: grid; gap: .55rem; margin: 1rem 0; padding-left: 1.4rem; }
.guide-example li { padding-left: .25rem; color: #d8e3f3; }
.guide-risk-note { border-color: rgba(251, 91, 103, .28); background: rgba(127, 29, 29, .12); }
.guide-risk-note p { margin-bottom: 0; }
.guide-references a { color: var(--pub-cyan); }

.about-grid article > span { display: block; }
.about-detail, .about-links, .policy-article { max-width: 900px; padding: clamp(1.5rem, 4vw, 3rem); }
.about-links > div { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }
.policy-article section + section { margin-top: 2.8rem; padding-top: 2.8rem; border-top: 1px solid var(--pub-line); }
.policy-article h2 { font-size: 1.7rem; }
.policy-article a { color: var(--pub-cyan); }

.publisher-footer {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 2rem;
    margin-top: 5rem;
    padding: 3.5rem clamp(1rem, 5vw, 5rem) 1.5rem;
    border-top: 1px solid var(--pub-line);
    background: rgba(1, 5, 18, .85);
}
.publisher-footer > div > p { max-width: 24rem; color: var(--pub-muted); }
.publisher-footer nav { display: grid; align-content: start; gap: .55rem; }
.publisher-footer nav strong { margin-bottom: .4rem; }
.publisher-footer nav a, .publisher-footer nav button { width: fit-content; padding: 0; border: 0; background: none; color: #91a0ba; font: inherit; font-size: .88rem; text-decoration: none; cursor: pointer; }
.publisher-footer nav a:hover, .publisher-footer nav button:hover { color: white; }
.publisher-footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid rgba(86, 137, 220, .15); color: #677795; font-size: .78rem; }

@media (max-width: 980px) {
    .publisher-header { grid-template-columns: 1fr auto; }
    .publisher-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; overflow-x: auto; padding-bottom: .35rem; }
    .publisher-hero { grid-template-columns: 1fr; min-height: auto; padding-top: 4rem; }
    .publisher-framework { max-width: 38rem; }
    .publisher-audit-strip, .learning-standard { grid-template-columns: 1fr; }
    .publisher-footer { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
    .publisher-header { min-height: auto; padding: .75rem 1rem; }
    .publisher-logo { width: 12rem; }
    .publisher-login { display: none; }
    .publisher-cta { min-height: 2.35rem; padding: .5rem .7rem; font-size: .78rem; }
    .publisher-nav { gap: 1.1rem; }
    .publisher-nav a { white-space: nowrap; font-size: .8rem; }
    .publisher-hero, .content-hero, .publisher-section, .guide-layout { width: min(100% - 1.25rem, 1180px); }
    .publisher-hero { padding: 3.3rem 0; }
    .publisher-hero h1, .content-hero h1, .guide-hero h1 { font-size: 2.55rem; }
    .principle-grid, .guide-card-grid, .about-grid { grid-template-columns: 1fr; }
    .guide-body { grid-template-columns: 1fr; margin-top: 2.6rem; }
    .guide-toc { position: static; }
    .publisher-footer { grid-template-columns: 1fr; }
    .publisher-footer-bottom { grid-column: 1; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }