/* Am I Funded? — design tokens per SPEC §4 (implement exactly).
 * Dark primary. Body Inter/system sans; numbers JetBrains Mono; headings by
 * weight only. No illustrations, no gradients, no animations beyond HTMX
 * swaps. Dense but readable. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* JetBrains Mono, vendored (OFL — see static/fonts/OFL.txt). Numbers only,
 * so the woff2s load lazily where .num appears. */
@font-face {
    font-family: "JetBrains Mono";
    src: url("/static/fonts/JetBrainsMono-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: "JetBrains Mono";
    src: url("/static/fonts/JetBrainsMono-Bold.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    /* Dark primary */
    --bg: #1A1A2E;
    --surface: #16213E;
    --text: #E8E8E8;
    --muted: #8892B0;
    --accent: #64FFDA;          /* sparingly: ratio + primary CTA */
    --border: #2D3748;

    /* Status — all at 60% */
    --status-under: rgba(231, 76, 60, 0.6);      /* #E74C3C */
    --status-approaching: rgba(243, 156, 18, 0.6); /* #F39C12 */
    --status-funded: rgba(46, 204, 113, 0.6);    /* #2ECC71 */

    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --max-width: 720px;
}

/* Light variant per spec — system preference, unless manually overridden */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --bg: #FAFAFA;
        --surface: #FFFFFF;
        --text: #1A1A2E;
        --muted: #6B7280;
        --accent: #0D7377;
        --border: #E5E7EB;
    }
}
:root[data-theme="light"] {
    --bg: #FAFAFA;
    --surface: #FFFFFF;
    --text: #1A1A2E;
    --muted: #6B7280;
    --accent: #0D7377;
    --border: #E5E7EB;
}

html {
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

main { flex: 1; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
/* Links inside running text must not rely on colour alone (WCAG 1.4.1). */
.prose a, .subscribe p a, .note a { text-decoration: underline; }

/* Headings: weight only */
h1, h2, h3 { font-weight: 650; letter-spacing: -0.02em; line-height: 1.25; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.3rem; margin-top: 2.25rem; }
h3 { font-size: 1.05rem; margin-top: 1.5rem; }
p { margin: 0.85rem 0; }

.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ── Header / nav ─────────────────────────────────────── */
header.site {
    border-bottom: 1px solid var(--border);
    padding: 1.1rem 0;
}
header.site .container {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
}
.site-title {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    font-size: 1.05rem;
}
.site-title:hover { text-decoration: none; }
nav.site-nav { display: flex; gap: 1.1rem; margin-left: auto; align-items: baseline; }
nav.site-nav a { color: var(--muted); font-size: 0.92rem; }
nav.site-nav a:hover { color: var(--text); text-decoration: none; }
nav.site-nav a[aria-current="page"] { color: var(--text); }

#theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--muted);
    font: inherit;
    font-size: 0.8rem;
    padding: 0.15rem 0.55rem;
    cursor: pointer;
}
#theme-toggle:hover { color: var(--text); border-color: var(--muted); }

/* ── Hero ─────────────────────────────────────────────── */
.hero { padding: 3.5rem 0 2.5rem; }
.hero h1 { font-size: 2.3rem; }
.hero .lede {
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 34rem;
    margin-top: 1rem;
}
.hero .accent { color: var(--accent); }

/* ── Cards / sections ─────────────────────────────────── */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.9rem;
    margin: 1.75rem 0;
}
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.1rem 1.2rem;
}
.card h2 { margin-top: 0; font-size: 0.98rem; }
.card p { color: var(--muted); font-size: 0.92rem; margin: 0.5rem 0 0; }
.card .step {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.8rem;
}

.note {
    border-left: 2px solid var(--border);
    padding: 0.2rem 0 0.2rem 1rem;
    color: var(--muted);
    font-size: 0.92rem;
    margin: 1.5rem 0;
}

/* ── Subscribe CTA ────────────────────────────────────── */
.subscribe {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.3rem 1.4rem;
    margin: 2.5rem 0;
}
.subscribe h2 { margin-top: 0; font-size: 1.05rem; }
.subscribe p { color: var(--muted); font-size: 0.92rem; }

/* ── Calculator ───────────────────────────────────────── */
.calc-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.4rem;
    margin: 1.5rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}
.calc-form .field { display: flex; flex-direction: column; gap: 0.3rem; }
.calc-form label { font-size: 0.85rem; color: var(--muted); }
.calc-form small { font-size: 0.75rem; color: var(--muted); }
.calc-form input, .calc-form select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font: inherit;
    font-family: var(--font-mono);
    padding: 0.5rem 0.65rem;
}
.calc-form input:focus, .calc-form select:focus {
    outline: none;
    border-color: var(--accent);
}
.calc-form .alloc { grid-column: 1 / -1; }
.calc-form .alloc summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; }
.alloc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.8rem;
    margin-top: 0.9rem;
}
.btn-primary {
    grid-column: 1 / -1;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 6px;
    font: inherit;
    font-weight: 650;
    padding: 0.7rem 1rem;
    cursor: pointer;
}
.btn-primary:hover { opacity: 0.9; }

.btn-secondary {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font: inherit;
    font-size: 0.85rem;
    padding: 0.35rem 0.8rem;
    cursor: pointer;
}
.btn-secondary:hover { border-color: var(--muted); }

.share-card-preview {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin: 1rem 0;
}
.share-landing .btn-primary { display: inline-block; text-decoration: none; }

/* ── Subscribe / email capture ────────────────────────── */
.subscribe-form {
    display: flex;
    gap: 0.6rem;
    margin: 0.8rem 0;
    flex-wrap: wrap;
}
.subscribe-form input[type="email"] {
    flex: 1 1 220px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font: inherit;
    padding: 0.55rem 0.8rem;
}
.subscribe-form .btn-primary { grid-column: auto; padding: 0.55rem 1.1rem; }
.subscribe-form.email-number { margin: 0 0 2rem; }
footer.site .subscribe { margin-bottom: 1.4rem; }
footer.site .subscribe h2 { font-size: 0.95rem; }

.calc-errors {
    border: 1px solid var(--status-under);
    border-radius: 8px;
    padding: 0.9rem 1.1rem;
    margin: 1rem 0;
}
.calc-errors p { margin: 0.25rem 0; color: var(--text); font-size: 0.92rem; }

.ratio-hero {
    border: 1px solid var(--border);
    border-left: 4px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    padding: 1.5rem 1.6rem;
    margin: 1.75rem 0 1.25rem;
}
.ratio-hero.status-funded { border-left-color: var(--status-funded); }
.ratio-hero.status-approaching { border-left-color: var(--status-approaching); }
.ratio-hero.status-under { border-left-color: var(--status-under); }
.hero-label { color: var(--muted); font-size: 0.85rem; }
.hero-number {
    font-size: 3.4rem;
    font-weight: 650;
    line-height: 1.1;
    color: var(--accent);
    margin: 0.2rem 0;
}
.hero-detail { color: var(--muted); font-size: 0.95rem; max-width: 34rem; }

.result-table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.92rem; }
.result-table td { padding: 0.5rem 0.2rem; border-bottom: 1px solid var(--border); }
.result-table td:last-child { text-align: right; white-space: nowrap; }
.result-table .total td { font-weight: 650; border-bottom: none; }

.duration-line { color: var(--muted); font-size: 0.92rem; margin: 1.25rem 0; }

.gaps {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.1rem 1.3rem;
    margin: 1.25rem 0;
}
.gaps h2 { margin-top: 0; font-size: 0.98rem; }
.gaps ul { list-style: none; padding: 0; margin: 0.6rem 0 0; }
.gaps li { margin: 0.55rem 0; font-size: 0.92rem; color: var(--muted); }
.gaps li strong { color: var(--text); }

.methodology {
    color: var(--muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    padding-top: 0.9rem;
    margin-top: 1.5rem;
}
.result-actions { font-size: 0.85rem; margin: 1rem 0 2rem; }
.result-actions a { color: var(--muted); text-decoration: underline; }

.install-nudge {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.3rem;
    margin: 1.25rem 0;
    font-size: 0.92rem;
}
.install-nudge .nudge-actions { display: flex; align-items: center; gap: 1rem; margin: 0.7rem 0 0; }
.install-nudge #install-dismiss { color: var(--muted); text-decoration: underline; }
.install-nudge .ios-hint { color: var(--muted); font-size: 0.85rem; margin: 0.6rem 0 0; }

/* ── Footer ───────────────────────────────────────────── */
footer.site {
    border-top: 1px solid var(--border);
    margin-top: 3rem;
    padding: 1.4rem 0 2rem;
    color: var(--muted);
    font-size: 0.85rem;
}
footer.site p { margin: 0.3rem 0; }

/* ── Prose pages ──────────────────────────────────────── */
.prose { padding: 2.25rem 0 1rem; max-width: 40rem; }
.prose ul, .prose ol { padding-left: 1.2rem; margin: 0.85rem 0; }
.prose li { margin: 0.35rem 0; }
.prose .lede { color: var(--muted); font-size: 1.05rem; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.prose blockquote {
    border-left: 2px solid var(--accent);
    padding-left: 1rem;
    color: var(--muted);
    margin: 1.25rem 0;
}

/* ── Article body ─────────────────────────────────────── */
.series-line { color: var(--muted); font-size: 0.8rem; margin-bottom: 0.5rem; }
.article-body { margin-top: 1.25rem; }

/* Tables: dense, bordered, sideways-scroll on small screens */
.article-body table {
    display: block;
    overflow-x: auto;
    border-collapse: collapse;
    margin: 1.4rem 0;
    font-size: 0.88rem;
}
.article-body th, .article-body td {
    border: 1px solid var(--border);
    padding: 0.45rem 0.7rem;
    text-align: left;
    white-space: nowrap;
}
.article-body th {
    background: var(--surface);
    font-weight: 650;
}
.article-body td { font-variant-numeric: tabular-nums; }

/* Code fences (incl. the ASCII dashboard) */
.article-body pre {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.1rem;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.45;
    margin: 1.4rem 0;
}
.article-body code { font-family: var(--font-mono); font-size: 0.88em; }

/* Pre-rendered MathML blocks */
.math {
    overflow-x: auto;
    padding: 0.9rem 0;
    margin: 1rem 0;
    text-align: center;
}
.math math { font-size: 1.05rem; }

/* Next/prev navigation */
.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin: 2.5rem 0 0;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
}
.article-nav a { color: var(--muted); max-width: 45%; }
.article-nav a:hover { color: var(--accent); text-decoration: none; }

/* Article index */
.article-list { list-style: none; padding-left: 0 !important; }
.article-list li {
    display: flex;
    gap: 0.9rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border);
}
.article-list .idx { color: var(--accent); font-size: 0.85rem; padding-top: 0.15rem; }
.article-list a { font-weight: 650; color: var(--text); }
.article-list a:hover { color: var(--accent); text-decoration: none; }
.article-list p { color: var(--muted); font-size: 0.88rem; margin: 0.2rem 0 0; }