/* Accounter Homepage - Evidence-first, restrained presentation */
:root {
    --ink: #1a1a1a;
    --ink-muted: #4a4a4a;
    --paper: #f5f3ef;
    --paper-deeper: #ede9e2;
    --line: #c6c2bc;
    --accent: #4a6785;
    --accent-dark: #2d4560;
    --mono: "Courier Prime", monospace;
    --serif: "Tinos", serif;
    --sans: "Commissioner", sans-serif;
}

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

body {
    margin: 0;
    font-family: var(--sans);
    color: var(--ink);
    background-color: var(--paper);
    line-height: 1.6;
    position: relative;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

.page-texture {
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    mix-blend-mode: multiply;
    pointer-events: none;
    z-index: 0;
}

.site-header,
main,
.site-footer {
    position: relative;
    z-index: 1;
}

.site-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 32px;
    align-items: center;
    padding: 28px clamp(24px, 4vw, 72px);
    border-bottom: 1px solid var(--line);
    background-color: rgba(245, 243, 239, 0.9);
    backdrop-filter: blur(2px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--serif);
    font-size: 1.15rem;
    letter-spacing: 0.02em;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    display: grid;
    place-items: center;
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--accent-dark);
    background-color: var(--paper-deeper);
}

.brand-mark.small {
    width: 30px;
    height: 30px;
    font-size: 1.1rem;
}

.brand-name {
    font-weight: 600;
}

.site-nav {
    display: flex;
    justify-content: flex-start;
    gap: 22px;
    font-size: 0.95rem;
    color: var(--ink-muted);
}

.site-nav a {
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
}

.site-nav a:hover {
    border-bottom-color: var(--accent);
    color: var(--accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1px solid var(--line);
    font-size: 0.9rem;
    letter-spacing: 0.01em;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    border-color: var(--accent-dark);
}

.btn-primary:hover {
    background-color: var(--accent-dark);
}

.btn-quiet {
    background-color: transparent;
    color: var(--ink);
}

.btn-quiet:hover {
    border-color: var(--accent);
    color: var(--accent);
}

main {
    padding: 0 clamp(24px, 4vw, 72px) 80px;
}

section {
    padding: 64px 0;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.8fr);
    gap: 48px;
    align-items: start;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 20px;
}

h1 {
    font-family: var(--serif);
    font-size: clamp(2.4rem, 3vw + 1.8rem, 3.5rem);
    line-height: 1.2;
    margin: 0 0 22px;
}

.lead {
    font-size: 1.1rem;
    color: var(--ink-muted);
    max-width: 640px;
}

.lead-secondary {
    font-size: 1rem;
    color: var(--ink-muted);
    max-width: 640px;
    margin-top: 16px;
}

.hero-actions {
    margin: 32px 0 36px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.link-quiet {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--ink-muted);
    border-bottom: 1px solid transparent;
}

.link-quiet:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.meta-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink);
    margin-bottom: 6px;
    font-weight: 600;
}

.hero-right {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 20px;
}

.excerpt-card {
    border: 1px solid var(--line);
    background-color: #fff;
    padding: 24px;
    box-shadow: 0 18px 45px rgba(26, 26, 26, 0.08);
}

.excerpt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--ink-muted);
}

.excerpt-meta {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent);
}

.excerpt-text {
    font-family: var(--mono);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--ink);
    margin: 0 0 18px;
}

.excerpt-footer {
    font-size: 0.8rem;
    color: var(--ink-muted);
}

.run-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.run-stat {
    text-align: center;
    padding: 16px 12px;
    background-color: var(--paper);
    border: 1px solid var(--line);
}

.run-stat-value {
    font-family: var(--serif);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--accent-dark);
    line-height: 1;
    margin-bottom: 6px;
}

.run-stat-label {
    font-size: 0.8rem;
    color: var(--ink-muted);
}

.outputs {
    border-top: 1px solid var(--line);
}

.outputs .artifact {
    margin-top: 32px;
}

.outputs-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 24px;
    align-items: start;
}

.artifact {
    border: 1px solid var(--line);
    background-color: #fff;
    box-shadow: 0 18px 45px rgba(26, 26, 26, 0.08);
}

.artifact-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    padding: 18px 22px;
    border-bottom: 1px solid var(--line);
    font-weight: 600;
    color: var(--ink-muted);
}

.artifact-meta {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent);
}

.artifact-footer {
    padding: 14px 22px 18px;
    border-top: 1px solid var(--line);
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.ledger {
    padding: 0 0 6px;
}

.ledger-row {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.5fr) minmax(120px, 0.8fr);
    gap: 18px;
    padding: 16px 22px;
    border-bottom: 1px solid var(--paper-deeper);
    align-items: center;
}

.ledger-row:last-child {
    border-bottom: none;
}

.ledger-head {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
    background-color: rgba(245, 243, 239, 0.9);
    border-bottom: 1px solid var(--line);
}

.ledger-title {
    font-weight: 600;
    color: var(--ink);
}

.ledger-sub {
    font-size: 0.85rem;
    color: var(--ink-muted);
    margin-top: 4px;
}

.ledger-evidence {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--ink);
}

.ledger-pointer {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--accent);
}

/* Timeline visualization */
.timeline-container {
    padding: 28px 40px;
    background-color: rgba(237, 233, 226, 0.4);
    border-bottom: 1px solid var(--line);
}

.timeline-item {
    display: grid;
    grid-template-columns: 90px 20px 1fr 2fr 0.7fr;
    gap: 20px;
    padding-bottom: 28px;
    position: relative;
    align-items: start;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 119px;
    top: 20px;
    bottom: -8px;
    width: 2px;
    background-color: var(--accent);
}

.timeline-marker {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--accent);
    border: 3px solid #fff;
    box-shadow: 0 0 0 1px var(--accent);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    margin-top: 2px;
}

.timeline-date {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    line-height: 1.6;
    text-align: right;
}

.timeline-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
}

.timeline-evidence {
    font-family: var(--mono);
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--ink);
    padding: 12px 16px;
    background-color: rgba(255, 255, 255, 0.8);
    border-left: 2px solid var(--accent);
}

.timeline-location {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--ink-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.6;
}

.timeline-theme {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--accent);
    background-color: rgba(45, 69, 96, 0.08);
    padding: 3px 8px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-top: 4px;
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.8rem;
    background-color: rgba(245, 243, 239, 0.8);
    color: var(--ink-muted);
}

.pill-verified {
    border-color: rgba(45, 69, 96, 0.35);
    background-color: rgba(74, 103, 133, 0.12);
    color: var(--accent-dark);
}

.pill-candidate {
    border-color: rgba(198, 194, 188, 0.9);
    background-color: rgba(237, 233, 226, 0.8);
    color: var(--ink-muted);
}

.outputs-right {
    display: grid;
    gap: 18px;
}

.signal-card {
    border: 1px solid var(--line);
    background-color: rgba(255, 255, 255, 0.7);
    padding: 20px;
}

.signal-title {
    font-family: var(--serif);
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.signal-card p {
    margin: 0 0 12px;
    color: var(--ink-muted);
}

.signal-list {
    margin: 0;
    padding-left: 18px;
    color: var(--ink-muted);
}

.hero-note {
    font-size: 0.95rem;
    color: var(--ink-muted);
    padding-left: 16px;
    border-left: 3px solid var(--accent);
}

.section-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    max-width: 760px;
}

.section-header h2 {
    font-family: var(--serif);
    font-size: clamp(1.6rem, 1.6vw + 1.2rem, 2.2rem);
    margin: 0;
}

.section-header p {
    margin: 0;
    color: var(--ink-muted);
}

.approach-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.approach {
    border-top: 1px solid var(--line);
}

.approach-guardrails {
    margin-top: 32px;
    display: grid;
    gap: 18px;
    border-top: 1px solid var(--line);
}

.approach-card {
    border: 1px solid var(--line);
    padding: 24px;
    background-color: rgba(255, 255, 255, 0.7);
}

.approach-card h3 {
    font-family: var(--serif);
    margin: 0 0 12px;
}

/* Ways to analyse section */
.ways {
    border-top: 1px solid var(--line);
}

.ways-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.ways-card {
    border: 1px solid var(--line);
    padding: 24px;
    background-color: rgba(255, 255, 255, 0.7);
}

.ways-card h3 {
    font-family: var(--serif);
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.ways-card p {
    margin: 0;
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.reanalyse-callout {
    margin-top: 32px;
    padding: 24px 28px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    background-color: rgba(255, 255, 255, 0.7);
}

.reanalyse-callout h3 {
    font-family: var(--serif);
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.reanalyse-callout p {
    margin: 0;
    color: var(--ink-muted);
    max-width: 680px;
}

/* Evidence showcase */
.evidence-showcase {
    margin-top: 32px;
    display: grid;
    gap: 24px;
}

.evidence-item {
    border: 1px solid var(--line);
    padding: 28px;
    background-color: #fff;
}

.evidence-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 6px;
}

.evidence-finding {
    font-family: var(--serif);
    font-size: 1.15rem;
    margin-bottom: 20px;
}

.evidence-excerpt {
    font-family: var(--serif);
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.7;
    margin: 0 0 16px;
    padding: 0 0 0 20px;
    border-left: 3px solid var(--accent);
    color: var(--ink);
}

.evidence-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.evidence-pointer {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--accent-dark);
}

.evidence-status {
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.evidence-note {
    margin-top: 24px;
    padding: 18px;
    border: 1px solid var(--line);
    background-color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    color: var(--ink-muted);
}

/* Why section */
.why-section {
    border-top: 1px solid var(--line);
}

.why-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.why-card {
    border: 1px solid var(--line);
    padding: 24px;
    background-color: rgba(255, 255, 255, 0.7);
}

.why-card h3 {
    font-family: var(--serif);
    margin: 0 0 12px;
}

.why-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--ink-muted);
}

.why-card li {
    margin-bottom: 8px;
}

.why-card li:last-child {
    margin-bottom: 0;
}

/* Responsive: stack all card grids on mobile */
@media (max-width: 900px) {
    .why-grid {
        grid-template-columns: 1fr 1fr;
    }
    .ways-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }
    .approach-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .constraints-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .longitudinal-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .pipeline-bar {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .why-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .ways-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .approach-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .constraints-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .longitudinal-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .pipeline-bar {
        grid-template-columns: 1fr;
    }
}

/* Constraints section (matching approach layout) */
.constraints {
    border-top: 1px solid var(--line);
}

.constraints-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.constraints-card {
    border: 1px solid var(--line);
    padding: 24px;
    background-color: rgba(255, 255, 255, 0.7);
}

.constraints-card h3 {
    font-family: var(--serif);
    margin: 0 0 12px;
}

.constraints-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--ink-muted);
}

.constraints-card li {
    margin-bottom: 8px;
}

.constraints-card li:last-child {
    margin-bottom: 0;
}

.guardrail-row {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

.guardrail-label {
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    color: var(--accent);
}

.guardrail-copy {
    color: var(--ink-muted);
}

.longitudinal {
    border-top: 1px solid var(--line);
}

.longitudinal-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.longitudinal-card {
    border: 1px solid var(--line);
    background-color: rgba(255, 255, 255, 0.7);
    padding: 22px;
}

.longitudinal-title {
    font-family: var(--serif);
    margin-bottom: 10px;
}

.pipeline-bar {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border: 1px solid var(--line);
    background-color: #fff;
}

.pipeline-step {
    padding: 22px;
    border-right: 1px solid var(--line);
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pipeline-step:last-child {
    border-right: none;
}

.step-name {
    font-family: var(--serif);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.step-meta {
    font-size: 0.9rem;
    color: var(--ink-muted);
}

.pipeline-footnote {
    margin-top: 14px;
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.step-number {
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 8px;
}

.pipeline-details {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.pipeline-detail {
    padding: 18px;
    border: 1px solid var(--line);
    background-color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    color: var(--ink-muted);
}

.pipeline-detail strong {
    color: var(--ink);
}

.coming-next {
    background-color: var(--paper-deeper);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.coming-next-inner {
    padding: 40px 0;
}

.coming-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.coming-item {
    border: 1px solid var(--line);
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.7);
}

.coming-title {
    font-family: var(--serif);
    margin-bottom: 8px;
}

.cta {
    padding: 80px 0 20px;
    border-top: 1px solid var(--line);
}

.cta-card {
    border: 1px solid var(--line);
    padding: 32px;
    max-width: 640px;
    background-color: #fff;
}

.cta-card h2 {
    font-family: var(--serif);
    margin: 0 0 12px;
}

.access-form {
    margin-top: 22px;
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field {
    display: grid;
    gap: 8px;
}

.field-wide {
    grid-column: 1 / -1;
}

.field-label {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink);
    font-weight: 600;
}

.field-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    background-color: rgba(245, 243, 239, 0.5);
    font-family: var(--sans);
    font-size: 0.95rem;
    color: var(--ink);
}

.field-input:focus {
    outline: none;
    border-color: rgba(74, 103, 133, 0.75);
    box-shadow: 0 0 0 3px rgba(74, 103, 133, 0.16);
}

.field-textarea {
    resize: vertical;
}

.form-actions {
    margin-top: 16px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.form-note {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.form-status {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--accent-dark);
}

.guardrails {
    background-color: var(--paper-deeper);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.guardrails-inner {
    padding: 40px 0;
}

.guardrails-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.guardrails-card {
    border: 1px solid var(--line);
    background-color: rgba(255, 255, 255, 0.7);
    padding: 22px;
}

.guardrails-title {
    font-family: var(--serif);
    margin-bottom: 10px;
}

.guardrails-list {
    margin: 0;
    padding-left: 18px;
    color: var(--ink-muted);
}

.guardrails-list li {
    margin-bottom: 6px;
}

.guardrails-list li:last-child {
    margin-bottom: 0;
}

.guardrails-note {
    margin-top: 24px;
    padding: 18px;
    border: 1px solid var(--line);
    background-color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    color: var(--ink-muted);
}

.guardrails-note strong {
    color: var(--ink);
}

.faq {
    margin-top: 28px;
    border-top: 1px solid var(--line);
    padding-top: 22px;
}

.faq-title {
    font-family: var(--serif);
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.faq-item {
    border: 1px solid var(--line);
    background-color: rgba(255, 255, 255, 0.7);
    padding: 18px;
}

.faq-q {
    font-weight: 600;
    margin-bottom: 8px;
}

.faq-a {
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.roadmap {
    margin-top: 28px;
    border-top: 1px solid var(--line);
    padding-top: 22px;
}

.roadmap-title {
    font-family: var(--serif);
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.roadmap-item {
    border: 1px solid var(--line);
    background-color: rgba(255, 255, 255, 0.7);
    padding: 18px;
}

.roadmap-item-title {
    font-family: var(--serif);
    margin-bottom: 6px;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px clamp(24px, 4vw, 72px) 40px;
    border-top: 1px solid var(--line);
    font-size: 0.85rem;
    color: var(--ink-muted);
    background-color: rgba(245, 243, 239, 0.9);
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--serif);
    color: var(--ink);
}

@media (max-width: 1100px) {
    .site-header {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .site-nav {
        flex-wrap: wrap;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero-right {
        margin-top: 0;
    }

    .approach-grid {
        grid-template-columns: 1fr;
    }

    .outputs-grid {
        grid-template-columns: 1fr;
    }

    .guardrail-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .pipeline-bar {
        grid-template-columns: 1fr;
    }

    .pipeline-step {
        border-right: none;
        border-bottom: 1px solid var(--line);
    }

    .pipeline-step:last-child {
        border-bottom: none;
    }

    .coming-grid {
        grid-template-columns: 1fr;
    }

    .longitudinal-grid {
        grid-template-columns: 1fr;
    }

    .guardrails-grid {
        grid-template-columns: 1fr;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .roadmap-grid {
        grid-template-columns: 1fr;
    }

    .site-footer {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}

@media (max-width: 720px) {
    .header-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-meta {
        grid-template-columns: 1fr;
    }

    .ledger-head {
        display: none;
    }

    .ledger-row {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 20px 18px;
        border-bottom: 1px solid var(--line);
    }

    .ledger-row:not(.ledger-head) {
        border-left: 3px solid var(--accent);
    }

    .ledger-evidence::before {
        content: "Evidence";
        display: block;
        font-family: var(--sans);
        font-size: 0.7rem;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--ink-muted);
        margin-bottom: 6px;
    }

    .ledger-pointer::before {
        content: "Source";
        display: block;
        font-family: var(--sans);
        font-size: 0.7rem;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--ink-muted);
        margin-bottom: 4px;
    }

    .access-grid {
        grid-template-columns: 1fr;
    }
}