:root {
    --case-bg: #080b17;
    --case-surface: #0d1224;
    --case-surface-strong: #11182d;
    --case-line: rgba(112, 132, 194, 0.22);
    --case-text: #f7f9ff;
    --case-muted: #a9b2ce;
    --case-cyan: #40d8ff;
    --case-green: #12d883;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.web-case-detail-page {
    margin: 0;
    background:
        linear-gradient(rgba(64, 216, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(64, 216, 255, 0.035) 1px, transparent 1px),
        var(--case-bg);
    background-size: 72px 72px;
    color: var(--case-text);
    font-family: "Albert Sans", system-ui, sans-serif;
    line-height: 1.6;
}

.case-skip-link {
    position: fixed;
    z-index: 1000;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.7rem 1rem;
    transform: translateY(-180%);
    background: var(--case-cyan);
    color: #05101a;
    font-weight: 800;
}
.case-skip-link:focus { transform: translateY(0); }

.case-site-nav {
    position: sticky;
    z-index: 50;
    top: 0;
    min-height: 72px;
    border-bottom: 1px solid var(--case-line);
    background: rgba(8, 11, 23, 0.94);
}
.case-site-nav__frame {
    --public-shell-max: 1180px;
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}
.case-brand { display: inline-flex; align-items: center; gap: 0.65rem; color: var(--case-text); text-decoration: none; }
.case-brand picture { display: block; width: 30px; height: 30px; }
.case-brand img { width: 100%; height: 100%; object-fit: contain; }
.case-site-actions { display: flex; align-items: center; gap: .8rem; }
.case-site-nav nav { display: flex; align-items: center; gap: 1.25rem; }
.case-site-nav nav a { color: var(--case-muted); text-decoration: none; font-size: 0.9rem; font-weight: 700; }
.case-site-nav nav a:hover { color: var(--case-text); }
.case-site-nav .case-nav-cta { padding: 0.65rem 1rem; background: var(--case-cyan); color: #05101a; }
.case-site-nav .case-nav-cta:hover { color: #05101a; background: #8beaff; }
.case-footer-brand { text-decoration: none; }

.web-case-detail-page main,
.case-footer {
    width: min(1180px, calc(100% - 2.5rem));
    margin-inline: auto;
}

.case-hero {
    display: grid;
    min-height: calc(100vh - 72px);
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
    align-items: center;
    gap: clamp(3rem, 7vw, 7rem);
    padding: clamp(5rem, 9vw, 8rem) 0;
}
.case-kicker,
.case-section-intro > p,
.case-quote-copy > p,
.case-close > p {
    margin: 0 0 1.25rem;
    color: var(--case-cyan);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.case-kicker { display: flex; align-items: center; gap: 0.65rem; }
.case-kicker span { width: 8px; height: 8px; border-radius: 50%; background: var(--case-green); box-shadow: 0 0 16px rgba(18, 216, 131, 0.7); }
.case-hero h1,
.case-section-intro h2,
.case-close h2 {
    margin: 0;
    color: var(--case-text);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 0.98;
}
.case-hero h1 { max-width: 12ch; font-size: clamp(3.4rem, 7.4vw, 6rem); }
.case-hero h1 em { color: var(--case-green); font-style: normal; }
.case-lead { max-width: 68ch; margin: 2rem 0 0; color: var(--case-muted); font-size: clamp(1.05rem, 1.6vw, 1.28rem); }
.case-hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2.2rem; }
.case-button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    padding: 0.8rem 1.15rem;
    border: 1px solid var(--case-line);
    color: var(--case-text);
    text-decoration: none;
    font-weight: 750;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}
.case-button:hover { transform: translateY(-2px); border-color: var(--case-cyan); }
.case-button-primary { border-color: var(--case-cyan); background: var(--case-cyan); color: #041018; }
.case-button-primary:hover { background: #8beaff; color: #041018; }
.case-button-secondary { background: rgba(13, 18, 36, 0.78); }

.case-brief { position: relative; padding: 1.5rem; border: 1px solid rgba(64, 216, 255, 0.3); background: var(--case-surface); box-shadow: 18px 18px 0 rgba(64, 216, 255, 0.08); }
.case-brief::after { position: absolute; top: -1px; right: -1px; width: 52px; height: 52px; background: linear-gradient(225deg, var(--case-bg) 0 49%, var(--case-cyan) 50% 51%, #17304a 52%); content: ""; }
.case-brief-head { display: flex; justify-content: space-between; gap: 1rem; padding-right: 3.5rem; font-family: "JetBrains Mono", monospace; font-size: 0.7rem; letter-spacing: 0.08em; }
.case-brief-head span { color: var(--case-muted); }
.case-brief-head strong { color: var(--case-green); }
.case-brief dl { margin: 1.7rem 0 1.2rem; border-top: 1px solid var(--case-line); }
.case-brief dl div { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 1rem; padding: 0.85rem 0; border-bottom: 1px solid var(--case-line); }
.case-brief dt { color: var(--case-muted); font-size: 0.84rem; }
.case-brief dd { margin: 0; color: var(--case-text); font-weight: 700; }
.case-brief > p { margin: 0; color: var(--case-muted); font-size: 0.86rem; }

.case-live-frame { overflow: hidden; border: 1px solid var(--case-line); background: var(--case-surface); box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28); }
.case-browser-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; padding: 0.8rem 1rem; border-bottom: 1px solid var(--case-line); color: var(--case-muted); font-family: "JetBrains Mono", monospace; font-size: 0.68rem; }
.case-browser-bar strong { justify-self: end; color: var(--case-green); }
.case-browser-dots { display: flex; gap: 0.35rem; }
.case-browser-dots i { width: 8px; height: 8px; border-radius: 50%; background: #5c6686; }
.case-browser-dots i:nth-child(2) { background: var(--case-cyan); }
.case-browser-dots i:nth-child(3) { background: var(--case-green); }
.case-live-frame a { display: block; }
.case-live-frame img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top center; }

.case-live-frame--schematic {
    display: grid;
    justify-items: center;
    gap: 0.75rem;
    margin: 0;
    padding: clamp(1.5rem, 4vw, 3.5rem);
    background: #e7dfd3;
    box-shadow: none;
}
.case-live-frame.case-live-frame--schematic img {
    width: min(100%, 72rem);
    height: auto;
    aspect-ratio: auto;
    object-fit: contain;
}
.case-live-frame--schematic figcaption {
    color: #5d5861;
    font-size: 0.8125rem;
    line-height: 1.45;
    letter-spacing: 0.02em;
    text-align: center;
}

.case-context,
.case-challenges,
.case-architecture,
.case-result,
.case-quote,
.case-close {
    padding: clamp(6rem, 10vw, 9rem) 0;
}
.case-context,
.case-architecture,
.case-result {
    display: grid;
    grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
    gap: clamp(3rem, 8vw, 8rem);
}
.case-section-intro h2,
.case-close h2 { font-size: clamp(2.7rem, 5vw, 5rem); }
.case-context-copy { max-width: 68ch; }
.case-context-copy p,
.case-approach-copy p { margin: 0 0 1.35rem; color: var(--case-muted); font-size: 1.08rem; }
.case-context-copy strong,
.case-approach-copy strong { color: var(--case-text); }

.case-challenges { border-top: 1px solid var(--case-line); border-bottom: 1px solid var(--case-line); }
.case-challenges .case-section-intro { display: grid; grid-template-columns: 0.65fr 1.35fr; gap: 3rem; align-items: end; margin-bottom: 4rem; }
.case-challenge-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--case-line); }
.case-challenge-list li { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 1.5rem; padding: 1.5rem 0; border-bottom: 1px solid var(--case-line); }
.case-challenge-list li > span { color: var(--case-cyan); font-family: "JetBrains Mono", monospace; font-size: 0.75rem; }
.case-challenge-list h3 { margin: 0 0 0.35rem; color: var(--case-text); font-size: 1.25rem; }
.case-challenge-list p { max-width: 72ch; margin: 0; color: var(--case-muted); }

.case-architecture .case-section-intro { grid-row: span 2; }
.case-route { display: grid; grid-template-columns: 1fr auto 1.35fr auto 1.35fr; align-items: stretch; gap: 0.75rem; }
.case-route > div { display: flex; min-width: 0; flex-direction: column; justify-content: center; padding: 1rem; border: 1px solid var(--case-line); background: var(--case-surface); }
.case-route small { color: var(--case-cyan); font-family: "JetBrains Mono", monospace; font-size: 0.62rem; letter-spacing: 0.08em; }
.case-route strong { overflow-wrap: anywhere; color: var(--case-text); font-size: 0.93rem; }
.case-route span { color: var(--case-muted); font-size: 0.76rem; }
.case-route > b { align-self: center; color: var(--case-cyan); }
.case-approach-copy { margin-top: 2.5rem; }

.case-result { border-top: 1px solid var(--case-line); }
.case-result-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; }
.case-result-main p { margin: 0 0 2rem; color: var(--case-text); font-size: clamp(1.25rem, 2.2vw, 1.75rem); line-height: 1.4; }
.case-result-main a { color: var(--case-cyan); font-weight: 800; text-decoration: none; }
.case-result-main a:hover { text-decoration: underline; text-underline-offset: 0.25em; }
.case-result dl { margin: 0; border-top: 1px solid var(--case-line); }
.case-result dl div { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--case-line); }
.case-result dt { color: var(--case-muted); }
.case-result dd { margin: 0; color: var(--case-text); font-weight: 750; }

.case-quote { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr); align-items: center; gap: clamp(3rem, 8vw, 8rem); }
.case-quote-copy blockquote { max-width: 18ch; margin: 0 0 1.5rem; color: var(--case-text); font-size: clamp(2rem, 4.2vw, 4.2rem); font-weight: 750; letter-spacing: -0.04em; line-height: 1.06; }
.case-quote-copy blockquote strong { color: var(--case-green); font-weight: inherit; }
.case-quote-copy > span { color: var(--case-muted); }
.case-quote figure { margin: 0; padding: 1rem; border: 1px solid var(--case-line); background: var(--case-surface); box-shadow: 14px 14px 0 rgba(18, 216, 131, 0.08); }
.case-quote figure img { display: block; width: 100%; height: auto; }
.case-quote figcaption { margin-top: 0.8rem; color: var(--case-muted); font-size: 0.78rem; }

.case-close { text-align: center; border-top: 1px solid var(--case-line); }
.case-close h2 { margin-inline: auto; }
.case-close > div { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; margin-top: 2rem; }
.case-footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem 0; border-top: 1px solid var(--case-line); color: var(--case-muted); font-size: 0.86rem; }
.case-footer a { color: var(--case-text); text-decoration: none; font-weight: 750; }

a:focus-visible { outline: 3px solid var(--case-green); outline-offset: 4px; }

@media (max-width: 900px) {
    .case-hero,
    .case-context,
    .case-architecture,
    .case-result,
    .case-quote { grid-template-columns: minmax(0, 1fr); }
    .case-hero > *,
    .case-context > *,
    .case-architecture > *,
    .case-result > *,
    .case-quote > *,
    .case-result-grid > * { min-width: 0; }
    .case-hero { min-height: auto; }
    .case-hero h1 { max-width: 11ch; }
    .case-challenges .case-section-intro { grid-template-columns: 1fr; }
    .case-architecture .case-section-intro { grid-row: auto; }
    .case-result-grid { grid-template-columns: minmax(0, 1fr); }
    .case-quote-copy blockquote { max-width: 21ch; }
}

@media (max-width: 640px) {
    .web-case-detail-page main,
    .case-footer { width: min(100% - 1.5rem, 1180px); }
    .case-site-nav nav > a:first-child { display: none; }
    .case-site-nav__frame { gap: .75rem; }
    .case-site-actions { gap: .5rem; }
    .case-brand picture { display: none; }
    .case-hero { gap: 3rem; padding: 4rem 0; }
    .case-hero h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
    .case-section-intro h2,
    .case-close h2 { font-size: clamp(2rem, 10vw, 2.7rem); }
    .case-hero-actions .case-button { width: 100%; }
    .case-browser-bar { grid-template-columns: auto 1fr auto; }
    .case-browser-bar > span:nth-child(2) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .case-live-frame img { aspect-ratio: 4 / 3; }
    .case-context,
    .case-challenges,
    .case-architecture,
    .case-result,
    .case-quote,
    .case-close { padding: 5rem 0; }
    .case-challenge-list li { grid-template-columns: 42px minmax(0, 1fr); gap: 0.75rem; }
    .case-route { grid-template-columns: minmax(0, 1fr); }
    .case-route > b { transform: rotate(90deg); }
    .case-quote { gap: 3rem; }
    .case-quote-copy blockquote { font-size: clamp(2rem, 10vw, 3.2rem); }
    .case-footer { flex-direction: column; gap: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}