:root {
    color-scheme: light;
    --dev-blue: #0759b8;
    --dev-blue-dark: #063f82;
    --dev-green: #234a38;
    --dev-orange: #b84a08;
    --dev-ink: #162331;
    --dev-muted: #536273;
    --dev-surface: #f4f7fa;
    --dev-surface-blue: #eef5ff;
    --dev-border: #d7e1ea;
    --dev-shadow: 0 18px 55px rgba(22, 35, 49, .09);
    --dev-radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--dev-ink); background: #fff; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; text-rendering: optimizeLegibility; }
img, svg, video { max-width: 100%; }
a { color: var(--dev-blue-dark); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid #f5a623; outline-offset: 3px; }
.dev-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.dev-skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; transform: translateY(-160%); padding: 10px 14px; color: #fff; background: #062a52; border-radius: 8px; }
.dev-skip-link:focus { transform: translateY(0); }

.dev-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgba(215,225,234,.9); background: rgba(255,255,255,.97); box-shadow: 0 4px 24px rgba(23,33,43,.05); backdrop-filter: blur(12px); }
.dev-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.dev-brand { display: inline-flex; align-items: center; }
.dev-logo { display: block; width: 184px; max-width: 45vw; height: auto; }
.dev-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: .94rem; font-weight: 750; }
.dev-nav__cta, .dev-nav__menu, .dev-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 9px 15px; border: 1px solid var(--dev-orange); border-radius: 10px; color: #fff; background: var(--dev-orange); text-align: center; text-decoration: none; }
.dev-nav__cta:hover, .dev-nav__cta:focus-visible, .dev-button--primary:hover, .dev-button--primary:focus-visible { color: #fff; background: #963a04; border-color: #963a04; }
.dev-nav__menu, .dev-button { color: var(--dev-ink); background: #fff; border-color: #8c9aaa; }
.dev-nav__menu:hover, .dev-nav__menu:focus-visible, .dev-button:hover, .dev-button:focus-visible { color: #fff; background: var(--dev-ink); border-color: var(--dev-ink); }
.dev-button--primary { color: #fff; background: var(--dev-orange); border-color: var(--dev-orange); }
.dev-button--light { color: #fff; background: transparent; border-color: rgba(255,255,255,.7); }
.dev-button--light:hover, .dev-button--light:focus-visible { color: var(--dev-ink); background: #fff; border-color: #fff; }

.dev-main { padding: 38px 0 72px; }
.dev-breadcrumb { margin: 0 0 28px; color: var(--dev-muted); font-size: .92rem; }
.dev-breadcrumb span { margin-inline: .3rem; }
.dev-kicker { margin: 0 0 8px; color: var(--dev-green); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .11em; }
.dev-title { max-width: 980px; margin: 0; color: var(--dev-green); font-size: clamp(2.1rem, 5vw, 4rem); line-height: 1.06; letter-spacing: -.035em; }
.dev-section-title { margin: 0; color: var(--dev-green); font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.15; }
.dev-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin: 64px 0 24px; }
.dev-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 20px 0 18px; color: var(--dev-muted); font-size: .93rem; }
.dev-taxonomy { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 32px; }
.dev-taxonomy a, .dev-taxonomy span { display: inline-flex; padding: 6px 11px; border: 1px solid #c9d9e8; border-radius: 999px; color: #294055; background: var(--dev-surface-blue); font-size: .83rem; text-decoration: none; }

.dev-hero { overflow: hidden; margin: -6px 0 46px; padding: clamp(42px, 7vw, 86px) clamp(24px, 6vw, 78px); color: #fff; background: radial-gradient(circle at 88% 18%, rgba(61,146,224,.35), transparent 32%), linear-gradient(120deg, #071f38, #0a4674 58%, #126d75); border-radius: var(--dev-radius); box-shadow: var(--dev-shadow); }
.dev-hero .dev-kicker, .dev-hero .dev-title { color: #fff; }
.dev-hero__content { max-width: 790px; font-size: clamp(1rem, 2vw, 1.18rem); }
.dev-hero__content > p:not(.dev-kicker) { max-width: 690px; }
.dev-hero__actions, .dev-cta__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.dev-featured { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(230px, .7fr); gap: clamp(28px, 5vw, 68px); align-items: center; padding: clamp(26px, 5vw, 54px); border: 1px solid var(--dev-border); border-radius: var(--dev-radius); background: linear-gradient(135deg, #fff, var(--dev-surface-blue)); box-shadow: var(--dev-shadow); }
.dev-featured h2 { max-width: 770px; margin: 0 0 14px; color: var(--dev-green); font-size: clamp(1.6rem, 3vw, 2.45rem); line-height: 1.18; }
.dev-featured dl { margin: 0; padding: 22px; border: 1px solid #cadbec; border-radius: 14px; background: rgba(255,255,255,.76); }
.dev-featured dl div + div { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--dev-border); }
.dev-featured dt { color: var(--dev-muted); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.dev-featured dd { margin: 3px 0 0; font-weight: 700; }
.dev-text-link { font-weight: 800; }

.dev-grid, .dev-cluster-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.dev-card, .dev-cluster { min-width: 0; padding: 24px; border: 1px solid var(--dev-border); border-radius: 15px; background: #fff; box-shadow: 0 8px 30px rgba(22,35,49,.045); }
.dev-card h2, .dev-card h3, .dev-cluster h3 { margin: 0 0 10px; color: var(--dev-green); font-size: 1.22rem; line-height: 1.32; }
.dev-card p:last-child, .dev-cluster p:last-child { margin-bottom: 0; }
.dev-card__meta { color: var(--dev-muted); font-size: .86rem; }
.dev-cluster { border-top: 4px solid var(--dev-blue); background: linear-gradient(180deg, #fff, #f9fbfd); }

.dev-brief { max-width: 850px; margin: 26px 0 18px; padding: 25px 28px; border-left: 5px solid var(--dev-blue); border-radius: 0 14px 14px 0; background: var(--dev-surface-blue); }
.dev-brief h2 { margin: 0 0 8px; color: var(--dev-green); font-size: 1.45rem; }
.dev-brief p:last-child { margin-bottom: 0; }
.dev-review { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; max-width: 850px; margin: 0 0 34px; padding: 13px 17px; border: 1px solid #bcdac7; border-radius: 12px; color: #244c36; background: #f0faf4; font-size: .88rem; }
.dev-review strong { color: #123d27; }

.dev-article-layout { display: grid; grid-template-columns: minmax(190px, 240px) minmax(0, 760px); gap: clamp(28px, 5vw, 64px); align-items: start; }
.dev-article-layout > .dev-article:only-child { grid-column: 1 / -1; width: 100%; max-width: 850px; }
.dev-toc { position: sticky; top: 104px; max-height: calc(100vh - 128px); overflow: auto; padding: 18px; border: 1px solid var(--dev-border); border-radius: 14px; background: var(--dev-surface); font-size: .88rem; }
.dev-toc strong { display: block; margin-bottom: 10px; color: var(--dev-green); }
.dev-toc ol { margin: 0; padding-left: 1.15rem; }
.dev-toc li { margin: 7px 0; }
.dev-toc__level-3 { margin-left: .8rem !important; }
.dev-article { min-width: 0; font-size: 1.04rem; }
.dev-article > :first-child { margin-top: 0; }
.dev-article h2, .dev-article h3 { scroll-margin-top: 112px; color: var(--dev-green); line-height: 1.25; }
.dev-article h2 { margin: 2.3em 0 .65em; font-size: clamp(1.55rem, 3vw, 2.15rem); }
.dev-article h3 { margin: 1.8em 0 .55em; font-size: 1.35rem; }
.dev-article p, .dev-article li { max-width: 75ch; }
.dev-article img { display: block; max-width: 100%; height: auto; border-radius: 12px; }
.dev-article table { display: block; width: 100%; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.dev-article th, .dev-article td { padding: 10px 12px; border: 1px solid var(--dev-border); text-align: left; vertical-align: top; }
.dev-article th { background: var(--dev-surface); }
.dev-article pre { max-width: 100%; overflow-x: auto; padding: 18px; border-radius: 12px; color: #f5f8fb; background: #142536; }
.dev-article code { overflow-wrap: anywhere; }
.dev-article blockquote { margin-inline: 0; padding: 4px 0 4px 22px; border-left: 4px solid var(--dev-blue); color: #34495d; }

.dev-cta { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(250px, .75fr); gap: 28px; align-items: center; margin: 56px 0; padding: clamp(26px, 5vw, 48px); border-radius: var(--dev-radius); color: #fff; background: linear-gradient(125deg, #102a43, #174f68); box-shadow: var(--dev-shadow); }
.dev-cta .dev-kicker, .dev-cta h2 { color: #fff; }
.dev-cta h2 { margin: 0 0 8px; font-size: clamp(1.55rem, 3vw, 2.2rem); line-height: 1.2; }
.dev-cta p:last-child { margin-bottom: 0; }
.dev-cta__actions { justify-content: flex-start; margin-top: 0; }
.dev-related, .dev-evidence, .dev-author { margin-top: 36px; padding: 26px; border: 1px solid var(--dev-border); border-radius: 15px; background: var(--dev-surface); }
.dev-related h2, .dev-evidence h2, .dev-author h2 { margin: 0 0 14px; color: var(--dev-green); }
.dev-related ul, .dev-evidence ol { margin: 0; padding-left: 1.25rem; }
.dev-related li, .dev-evidence li { margin: 9px 0; }
.dev-evidence li span { display: inline-flex; margin-left: 8px; padding: 2px 7px; border-radius: 999px; color: var(--dev-muted); background: #fff; font-size: .75rem; }
.dev-author { background: #fff; }

.dev-list { margin: 20px 0 36px; padding-left: 1.35rem; columns: 2 320px; column-gap: 42px; }
.dev-list li { break-inside: avoid; margin: 8px 0; }
.dev-not-found { max-width: 800px; margin: 52px auto; padding: clamp(30px, 6vw, 70px); border: 1px solid var(--dev-border); border-radius: var(--dev-radius); background: var(--dev-surface-blue); text-align: center; }
.dev-not-found .dev-title { margin-inline: auto; }
.dev-not-found .dev-cta__actions { justify-content: center; }

.dev-footer { padding: 50px 0 28px; color: #eaf2f8; background: #142f47; }
.dev-footer a { color: #fff; }
.dev-footer h2 { margin: 0 0 10px; color: #fff; font-size: 1rem; }
.dev-footer ul { margin: 0; padding: 0; list-style: none; }
.dev-footer li { margin: 7px 0; }
.dev-footer__intro { max-width: 920px; margin: 0 auto 28px; text-align: center; }
.dev-footer__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; padding: 30px 0; border-block: 1px solid rgba(255,255,255,.24); }
.dev-footer__bottom { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; padding-top: 24px; font-size: .9rem; }
.dev-footer__bottom > :last-child { text-align: right; }
.dev-social { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.dev-social img { display: block; width: 21px; height: 21px; }
.dev-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.dev-analytics-frame { display: none; visibility: hidden; }
.dev-empty { padding: 20px; border-left: 4px solid var(--dev-blue); background: var(--dev-surface); }

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
    .dev-card, .dev-cluster { transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
    .dev-card:hover, .dev-cluster:hover { transform: translateY(-3px); border-color: #b8cde0; box-shadow: 0 16px 38px rgba(22,35,49,.09); }
}

@media (max-width: 860px) {
    .dev-featured, .dev-cta { grid-template-columns: 1fr; }
    .dev-article-layout { grid-template-columns: 1fr; }
    .dev-toc { position: static; max-height: none; }
    .dev-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dev-footer__bottom { grid-template-columns: 1fr; text-align: center; }
    .dev-footer__bottom > :last-child { text-align: center; }
}

@media (max-width: 700px) {
    .dev-shell { width: min(100% - 28px, 1180px); }
    .dev-header { position: static; }
    .dev-header__inner { align-items: flex-start; flex-direction: column; padding: 15px 0; }
    .dev-nav { width: 100%; }
    .dev-nav__cta, .dev-nav__menu { flex: 1 1 145px; }
    .dev-main { padding-top: 24px; }
    .dev-section-heading { align-items: flex-start; flex-direction: column; }
    .dev-hero { padding-inline: 23px; }
    .dev-article h2, .dev-article h3 { scroll-margin-top: 24px; }
}

@media (max-width: 430px) {
    .dev-nav__cta, .dev-nav__menu, .dev-hero__actions .dev-button, .dev-cta__actions .dev-button { width: 100%; }
    .dev-footer__grid { grid-template-columns: 1fr; }
    .dev-taxonomy a, .dev-taxonomy span { width: 100%; border-radius: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}