:root {
    color-scheme: light;
    --ink: #17211c;
    --muted: #66726b;
    --paper: #f4f1e9;
    --card: #fffdf8;
    --line: rgba(23, 33, 28, 0.14);
    --acid: #c8f04b;
    --forest: #163c2d;
    --orange: #ff7957;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 88% 4%, rgba(200, 240, 75, 0.25), transparent 26rem),
        var(--paper);
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    content: "";
    opacity: 0.34;
    background-image: linear-gradient(rgba(23, 33, 28, 0.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(23, 33, 28, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(to bottom, black, transparent 75%);
}

a { color: inherit; }

main { min-height: 100vh; overflow: hidden; }

.nav-shell,
.hero,
.showcase,
.proof-strip,
footer {
    width: min(1180px, calc(100% - 48px));
    margin-inline: auto;
}

.nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.brand { display: flex; gap: 11px; align-items: center; font-weight: 780; text-decoration: none; letter-spacing: -0.02em; }
.brand-mark { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 50%; color: var(--paper); background: var(--forest); font-family: Georgia, serif; font-style: italic; }
.nav-meta { display: flex; gap: 9px; align-items: center; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #72a919; box-shadow: 0 0 0 4px rgba(114, 169, 25, 0.12); }

.hero { padding: 104px 0 118px; }
.eyebrow { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 13px; font-weight: 650; text-transform: uppercase; letter-spacing: 0.1em; }
.eyebrow span { padding: 6px 9px; border: 1px solid var(--ink); border-radius: 999px; color: var(--ink); font-size: 10px; }
.hero h1 { max-width: 930px; margin: 24px 0; font-size: clamp(58px, 8.8vw, 122px); line-height: 0.88; letter-spacing: -0.075em; font-weight: 760; }
.hero h1 em { color: var(--forest); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.hero-copy { max-width: 680px; margin: 32px 0; color: var(--muted); font-size: clamp(18px, 2vw, 23px); line-height: 1.55; letter-spacing: -0.02em; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.hero-copy code { padding: 3px 7px; border-radius: 5px; color: var(--forest); background: rgba(22, 60, 45, 0.09); font-size: 0.86em; }
.hero-actions { display: flex; gap: 24px; align-items: center; margin-top: 42px; }
.primary-action { display: inline-flex; gap: 36px; align-items: center; padding: 15px 19px; border-radius: 4px; color: white; background: var(--forest); font-size: 14px; font-weight: 700; text-decoration: none; box-shadow: 5px 5px 0 var(--acid); transition: transform 160ms ease, box-shadow 160ms ease; }
.primary-action:hover { transform: translate(2px, 2px); box-shadow: 3px 3px 0 var(--acid); }
.build-note { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.experiment-note { margin: 14px 0 0; color: var(--muted); font-size: 12px; }

.showcase { padding: 88px 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: end; margin-bottom: 42px; }
.section-heading > div { display: flex; gap: 20px; align-items: baseline; }
.section-number { color: var(--orange); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 4.6vw, 58px); line-height: 1; letter-spacing: -0.055em; }
.section-heading p { margin: 0; color: var(--muted); line-height: 1.65; }
.demo-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; min-height: 520px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: 0 25px 80px rgba(21, 37, 29, 0.08); }
.demo-grid.reverse { grid-template-columns: 0.88fr 1.12fr; }
.code-card { min-width: 0; color: #e9f2e7; background: #13251e; }
.light-code { color: #e9f2e7; background: #20362d; }
.card-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 52px; padding: 0 18px; border-bottom: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.58); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.traffic-lights { display: flex; gap: 6px; }
.traffic-lights i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.22); }
.traffic-lights i:first-child { background: var(--orange); }
.language-pill { justify-self: end; padding: 4px 7px; border-radius: 3px; color: var(--acid); background: rgba(200,240,75,0.08); font-size: 9px; letter-spacing: 0.08em; }
pre { margin: 0; padding: 34px 36px; overflow: auto; font-size: clamp(12px, 1.2vw, 15px); line-height: 1.68; tab-size: 4; }
.raven-source { color: #d9e4dd; }
.syntax-attribute { color: #ff9478; }
.syntax-keyword { color: #c8f04b; font-weight: 650; }
.syntax-type { color: #7dd8c0; }
.syntax-function { color: #c9b5ff; }
.syntax-macro { color: #ffc96b; font-weight: 700; }
.syntax-tag { color: #78bff5; }
.syntax-property { color: #a9d6ff; }
.syntax-string { color: #f4b99f; }
.syntax-number { color: #e9a7f2; }
.syntax-comment { color: #82958b; font-style: italic; }
.preview-card { display: flex; flex-direction: column; min-width: 0; padding: 27px; background: var(--card); }
.counter-preview { background: linear-gradient(145deg, #fffdf8, #eef4dc); }
.greeting-preview { background: linear-gradient(145deg, #f8d6c9, #ffeae0); }
.todo-preview { background: linear-gradient(145deg, #dceee5, #f7f5e9); }
.interop-preview { background: linear-gradient(145deg, #dcebf4, #fff8df); }
.match-preview { background: linear-gradient(145deg, #e6def8, #fff5df); }
.preview-label { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; letter-spacing: 0.12em; }
.component-stage { display: grid; flex: 1; align-content: center; justify-items: center; padding: 48px 12px; text-align: center; }
.component-stage p { max-width: 290px; margin: 34px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.component-stage p code { color: var(--forest); }
.component-stage .greeting { padding: 22px 30px; border: 1px solid rgba(23,33,28,0.12); border-radius: 50%; background: rgba(255,255,255,0.55); box-shadow: 0 12px 30px rgba(78,41,29,0.09); }
.component-stage .greeting h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(40px, 5vw, 68px); font-weight: 400; letter-spacing: -0.05em; }
.component-stage .composition { display: grid; gap: 42px; justify-items: center; }
.todo-stage { display: flex; align-items: center; justify-content: center; text-align: left; }
.todo-board { width: min(100%, 390px); padding: 25px; border: 1px solid rgba(22,60,45,0.14); border-radius: 12px; background: rgba(255,253,248,0.92); box-shadow: 0 22px 55px rgba(22,60,45,0.12); }
.todo-heading { display: flex; gap: 18px; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; }
.todo-heading h2 { margin: 3px 0 0; font-family: Georgia, "Times New Roman", serif; font-size: 28px; font-weight: 400; letter-spacing: -0.04em; }
.todo-kicker { color: var(--orange); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; }
.todo-filter { padding: 8px 10px; border: 1px solid rgba(22,60,45,0.22); border-radius: 999px; color: var(--forest); background: transparent; font: inherit; font-size: 10px; font-weight: 700; cursor: pointer; }
.todo-filter:hover { background: rgba(22,60,45,0.07); }
.todo-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.todo-item { border: 1px solid rgba(22,60,45,0.12); border-radius: 8px; background: white; transition: opacity 160ms ease, transform 160ms ease; }
.todo-item:hover { transform: translateX(2px); }
.todo-item label { display: grid; grid-template-columns: 18px 22px 1fr; gap: 8px; align-items: center; padding: 13px 14px; cursor: pointer; }
.todo-item input { width: 16px; height: 16px; margin: 0; accent-color: var(--forest); }
.todo-marker { display: grid; width: 20px; height: 20px; place-items: center; border-radius: 50%; color: white; background: var(--forest); font-size: 11px; }
.todo-title { font-size: 13px; font-weight: 650; }
.todo-item.is-complete { opacity: 0.58; }
.todo-item.is-complete .todo-title { text-decoration: line-through; }
.interop-stage { text-align: left; }
.interop-board { width: min(100%, 390px); }
.match-stage { text-align: left; }
.match-board { width: min(100%, 390px); padding: 25px; border: 1px solid rgba(57,42,91,0.16); border-radius: 12px; background: rgba(255,255,255,0.82); box-shadow: 0 22px 55px rgba(57,42,91,0.13); }
.match-heading { margin-bottom: 20px; }
.match-heading h2 { margin: 5px 0 0; font-family: Georgia, "Times New Roman", serif; font-size: 27px; font-weight: 400; letter-spacing: -0.04em; }
.match-kicker { color: #7254a3; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.11em; }
.match-results { display: grid; gap: 10px; }
.match-result { display: grid; gap: 8px; padding: 15px; border: 1px solid rgba(57,42,91,0.12); border-radius: 8px; background: white; }
.match-primary { padding: 19px 15px; border-color: rgba(78,55,111,0.32); background: #f8f4ff; }
.match-label { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em; }
.match-result strong { color: #4e376f; font-family: Georgia, "Times New Roman", serif; font-size: 19px; font-weight: 500; }
.match-primary strong { font-size: 25px; }
.match-advance { width: 100%; margin-top: 14px; padding: 11px 14px; border: 0; border-radius: 7px; color: white; background: #4e376f; font: inherit; font-size: 12px; font-weight: 750; cursor: pointer; }
.match-advance:hover { background: #382550; }
.preview-footer { display: flex; gap: 9px; align-items: center; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; text-transform: uppercase; letter-spacing: 0.07em; }
.preview-footer span { width: 7px; height: 7px; border-radius: 50%; background: #72a919; }

.greeting-showcase { padding-bottom: 112px; }
.todo-showcase { padding-bottom: 112px; }
.interop-showcase { padding-bottom: 112px; }
.match-showcase { padding-bottom: 112px; }
.todo-grid { grid-template-columns: 1.12fr 0.88fr; }
.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.proof-strip div { display: flex; flex-direction: column; gap: 8px; padding: 32px 22px; border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
.proof-strip span { color: var(--muted); font-size: 12px; }
footer { display: flex; gap: 18px; align-items: center; padding: 38px 0 52px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-line { flex: 1; height: 1px; background: var(--line); }
.loading-shell { position: relative; display: grid; min-height: 100vh; padding: 32px; overflow: hidden; place-items: center; }
.loading-shell::before { position: absolute; width: min(72vw, 760px); aspect-ratio: 1; border-radius: 50%; content: ""; background: radial-gradient(circle, rgba(200, 240, 75, 0.28), rgba(200, 240, 75, 0) 68%); transform: translate(36%, -32%); }
.loading-card { position: relative; width: min(100%, 570px); padding: clamp(34px, 7vw, 62px); border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 253, 248, 0.88); box-shadow: 0 28px 90px rgba(21, 37, 29, 0.12); backdrop-filter: blur(12px); }
.loading-brand { display: flex; gap: 12px; align-items: center; margin-bottom: 46px; }
.loading-mark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: var(--paper); background: var(--forest); font-family: Georgia, "Times New Roman", serif; font-size: 22px; font-style: italic; }
.loading-wordmark { font-size: 17px; font-weight: 780; letter-spacing: -0.02em; }
.loading-eyebrow { color: var(--orange); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; font-weight: 750; text-transform: uppercase; letter-spacing: 0.13em; }
.loading-card h1 { max-width: 460px; margin: 15px 0 17px; color: var(--ink); font-family: Georgia, "Times New Roman", serif; font-size: clamp(38px, 8vw, 62px); font-weight: 400; line-height: 0.98; letter-spacing: -0.055em; }
.loading-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.loading-progress { height: 3px; margin-top: 42px; overflow: hidden; border-radius: 999px; background: rgba(22, 60, 45, 0.1); }
.loading-progress span { display: block; width: 42%; height: 100%; border-radius: inherit; background: var(--forest); animation: loading-progress 1.45s ease-in-out infinite; }
@keyframes loading-progress { from { transform: translateX(-115%); } to { transform: translateX(345%); } }
#blazor-error-ui { position: fixed; right: 1rem; bottom: 1rem; z-index: 1000; display: none; max-width: min(420px, calc(100% - 2rem)); padding: 0.9rem 1rem; border: 1px solid rgba(111, 35, 28, 0.24); border-radius: 8px; color: #6f231c; background: #fff3ef; box-shadow: 0 12px 32px rgba(49, 24, 20, 0.18); font-size: 13px; }
#blazor-error-ui .reload { margin-left: 0.45rem; color: inherit; font-weight: 750; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .loading-progress span { width: 100%; animation: none; }
}

@media (max-width: 820px) {
    .nav-shell, .hero, .showcase, .proof-strip, footer { width: min(100% - 28px, 680px); }
    .hero { padding: 72px 0 84px; }
    .hero h1 { font-size: clamp(54px, 17vw, 86px); }
    .hero-actions, .section-heading { align-items: flex-start; }
    .hero-actions { flex-direction: column; }
    .section-heading { grid-template-columns: 1fr; gap: 22px; }
    .demo-grid, .demo-grid.reverse { grid-template-columns: 1fr; }
    .preview-card { min-height: 420px; }
    .reverse .preview-card { order: 2; }
    .proof-strip { grid-template-columns: 1fr 1fr; }
    .proof-strip div:nth-child(2) { border-right: 0; }
    .proof-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 480px) {
    .nav-meta { font-size: 9px; }
    .hero { padding-top: 58px; }
    .eyebrow { align-items: flex-start; flex-direction: column; }
    .showcase { padding: 64px 0; }
    .section-heading > div { gap: 12px; }
    pre { padding: 28px 22px; font-size: 11px; }
    .preview-card { padding: 20px; }
    .proof-strip { grid-template-columns: 1fr; }
    .proof-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
    footer { align-items: flex-start; flex-direction: column; }
    .footer-line { width: 100%; flex: none; }
    .loading-shell { padding: 18px; }
    .loading-card { padding: 34px 26px; }
    .loading-brand { margin-bottom: 38px; }
}