:root {
    --assure-trust-blue: #1A4B8C;
    --assure-confidence-green: #2E7D32;
    --assure-accent-gold: #D4A843;
    --bg-deep: #0a0e14;
    --bg-card: #121820;
    --border-color: #2a3344;
    --text-main: #f0f2f5;
    --text-muted: #a8b0bd;
    --trust-blue: var(--assure-trust-blue);
    --accent-blue: var(--assure-trust-blue);
    --accent-green: var(--assure-confidence-green);
}

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

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
}

.hidden {
    display: none !important;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 200;
    padding: 0.65rem 1rem;
    background: var(--trust-blue);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 6px 0;
}

.skip-link:focus {
    left: 0;
}

.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;
}

.brand-mark {
    flex-shrink: 0;
    display: block;
}

.logo-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: inherit;
    min-width: 0;
    max-width: min(100%, 18rem);
}

.logo-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
    text-align: left;
}

.logo-name {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.025em;
}

.logo-tagline {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.landing-lang-wrap {
    display: inline-flex;
    align-items: center;
}

.landing-lang-select {
    font: inherit;
    font-size: 0.85rem;
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-main);
    max-width: 8rem;
}

.hero-section h1,
.hero-tagline,
.hero-sub,
.manifesto-section h2,
.pipeline-section h2,
.persona-section h2,
.cta-section h2,
.persona-strip-label,
.competitor-quote,
.section-sub {
    text-wrap: balance;
}

.hero-sub {
    text-wrap: pretty;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container.narrow {
    max-width: 750px;
}

.center {
    text-align: center;
}

.site-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.2rem 0;
    background: var(--bg-deep);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    color: var(--text-main);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-main);
}

.nav-links a[aria-current="page"] {
    color: var(--text-main);
    font-weight: 600;
}

.nav-links .btn-primary-small {
    margin-left: 0.25rem;
}

@media (max-width: 768px) {
    .value-table thead {
        display: none;
    }

    .value-table tr {
        display: block;
        margin-bottom: 1rem;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 0.75rem;
    }

    .value-table td {
        display: block;
        padding: 0.35rem 0;
        border: none;
    }

    .value-table td::before {
        content: attr(data-label);
        display: block;
        font-weight: 700;
        color: var(--trust-blue);
        margin-bottom: 0.25rem;
        font-size: 0.85rem;
    }

    .value-summary-section .container {
        overflow-x: hidden;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }

    .logo-tagline {
        display: none;
    }

    .nav-container {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 0.75rem;
        font-size: 0.85rem;
        width: 100%;
        justify-content: flex-end;
    }

    .nav-links .btn-primary-small {
        flex: 1 1 100%;
        text-align: center;
        max-width: 100%;
        box-sizing: border-box;
    }

    .nav-links.is-collapsed {
        justify-content: space-between;
        align-items: center;
    }

    .nav-links.is-collapsed .btn-primary-small {
        flex: 1 1 auto;
        max-width: calc(100% - 5.5rem);
    }

    .nav-links.is-collapsed a:not(.btn-primary-small):not(.nav-menu-toggle) {
        display: none;
    }

    .nav-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.4rem 0.65rem;
        border: 1px solid var(--border-color);
        border-radius: 6px;
        background: transparent;
        color: var(--text-main);
        font: inherit;
        cursor: pointer;
    }

    .persona-strip .persona-grid {
        grid-template-columns: 1fr 1fr;
        max-width: none;
    }

    .persona-more {
        grid-column: 1 / -1;
        justify-self: center;
    }
}

.nav-menu-toggle {
    display: none;
}

.btn-primary-small, .btn-primary {
    background-color: var(--trust-blue);
    color: #fff;
    padding: 0.6rem 1.25rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary-small:hover, .btn-primary:hover {
    background-color: #153d73;
    color: #fff;
}

.btn-primary:focus-visible,
.btn-primary-small:focus-visible,
.btn-secondary:focus-visible,
.btn-text:focus-visible,
.nav-links a:focus-visible,
.logo:focus-visible,
.persona-more:focus-visible,
#sandbox-input:focus-visible,
#model-select:focus-visible,
#sandbox-run-btn:focus-visible,
#sandbox-advanced-toggle:focus-visible,
#sandbox-send-workbench:focus-visible,
.nav-menu-toggle:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

#sandbox-run-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.sandbox-error {
    margin-top: 0.75rem;
    padding: 0.65rem 0.85rem;
    border-radius: 6px;
    border: 1px solid rgba(248, 113, 113, 0.45);
    background: rgba(248, 113, 113, 0.12);
    color: #fecaca;
    font-size: 0.9rem;
}

.sandbox-advanced-hint {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hero-section {
    padding: 4.5rem 0 3.25rem 0;
    text-align: center;
}

.hero-section .container {
    max-width: 1180px;
}

.eyebrow {
    color: var(--accent-blue);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 1rem;
}

.hero-section h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 750px;
    margin: 0 auto 2.5rem auto;
}

.hero-tagline {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.btn-primary {
    padding: 0.85rem 2rem;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
}

.btn-secondary {
    display: inline-block;
    padding: 0.85rem 1.75rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--trust-blue);
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.12);
    color: #fff;
}

.hero-visual {
    max-width: 900px;
    margin: 0 auto;
}

.hero-visual-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.25rem;
}

.hero-visual-messy {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    min-height: 180px;
    position: relative;
}

.messy-line {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    margin-bottom: 0.6rem;
}

.messy-line.wide {
    width: 95%;
}

.messy-line.short {
    width: 55%;
}

.messy-line.messy-faded {
    opacity: 0.35;
}

.messy-scan-label {
    position: absolute;
    bottom: 0.75rem;
    left: 1.25rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hero-visual-arrow {
    font-size: 2rem;
    color: var(--trust-blue);
    font-weight: 700;
}

.hero-visual-tree {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    min-height: 180px;
}

.ast-root {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ast-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--trust-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.ast-node {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    row-gap: 0.35rem;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    border-left: 3px solid var(--trust-blue);
    background: rgba(255, 255, 255, 0.02);
    min-width: 0;
}

.ast-type {
    font-weight: 700;
    color: var(--text-main);
    flex-shrink: 0;
}

.ast-id {
    color: var(--text-muted);
    font-family: ui-monospace, "Cascadia Code", monospace;
    font-size: 0.75rem;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ast-badge {
    margin-left: auto;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    flex-shrink: 0;
    white-space: nowrap;
}

.ast-node--section {
    border-left-color: var(--trust-blue);
}

.ast-node--claim {
    border-left-color: var(--accent-green);
}

.ast-node--paragraph {
    border-left-color: #6366f1;
}

.ast-node--table {
    border-left-color: #f59e0b;
}

.hero-visual-caption {
    margin-top: 1.25rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Hero — static before/after comparison (no auto-play) */
.hero-comparison .hero-visual-messy,
.hero-comparison .hero-visual-tree {
    opacity: 1;
    transform: none;
}

.hero-comparison .hero-visual-arrow {
    opacity: 0.85;
    transform: none;
}

.hero-comparison .ast-node {
    opacity: 1;
    transform: none;
}

.hero-panel-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.hero-comparison .hero-before {
    border-left: 3px solid rgba(255, 255, 255, 0.12);
}

.hero-comparison .hero-after {
    border-left: 3px solid var(--accent-green);
}

@media (max-width: 720px) {
    .hero-visual-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .hero-visual-arrow {
        text-align: center;
        transform: rotate(90deg);
    }

    .hero-cta-group {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        text-align: center;
    }
}

/* Persona Strip — At-a-Glance */
.persona-strip {
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
    background: var(--bg-deep);
}

.persona-strip-label {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.persona-strip .persona-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr) auto;
    gap: 1rem;
    margin-top: 0;
    align-items: center;
    justify-content: center;
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}

.persona-strip .persona-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0.5rem;
    text-align: center;
}

.persona-strip .persona-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.persona-strip .persona-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-main);
    text-wrap: balance;
    max-width: 9.5rem;
    line-height: 1.3;
}

.persona-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--trust-blue);
    text-decoration: none;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    white-space: nowrap;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.persona-more:hover {
    border-color: var(--trust-blue);
    color: var(--accent-green);
}

@media (max-width: 640px) {
    .persona-strip .persona-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .persona-strip .persona-more {
        grid-column: 1 / -1;
    }

    .persona-strip .persona-title {
        font-size: 0.75rem;
    }
}

.trust-bar {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    background: rgba(18, 20, 24, 0.5);
}

.trust-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
}

.trust-grid span:not([aria-hidden="true"]) {
    text-align: center;
    text-wrap: balance;
    flex: 1 1 9rem;
    min-width: 0;
    line-height: 1.35;
}

.hero-promise {
    font-size: 1.125rem;
    color: var(--trust-blue);
    font-weight: 500;
    margin: 0.75rem 0 1.5rem;
    max-width: 42rem;
}

.features-section {
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--surface-elevated, rgba(255, 255, 255, 0.04));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin: 0 0 0.75rem;
}

.feature-card p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.compare-table th,
.compare-table td {
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    text-align: left;
    vertical-align: top;
    line-height: 1.5;
}

.compare-table th {
    background: var(--surface-elevated, rgba(255, 255, 255, 0.04));
    font-weight: 600;
}

.compare-table td:last-child {
    color: var(--trust-blue);
    font-weight: 500;
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.manifesto-section, .pipeline-section, .persona-section, .value-summary-section, .cta-section, .glossary-section, .competitor-section, .features-section, .architecture-section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.competitor-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.competitor-quote {
    font-size: 1.2rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 680px;
    margin: 0 auto;
}

.architecture-bridge {
    text-align: center;
    margin-top: 2.5rem;
}

.architecture-bridge a {
    color: var(--trust-blue);
    font-weight: 600;
    text-decoration: none;
}

.architecture-bridge a:hover {
    text-decoration: underline;
}

.hero-section--subpage {
    padding: 4rem 0 2rem;
}

.architecture-section h2 {
    font-size: 1.5rem;
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.02em;
}

.architecture-section h2:first-child {
    margin-top: 0;
}

.architecture-section p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.architecture-section code {
    background: rgba(255, 255, 255, 0.06);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.architecture-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.manifesto-section h2, .pipeline-section h2, .persona-section h2, .cta-section h2 {
    font-size: 2.25rem;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.manifesto-section p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.highlight-quote {
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.35rem;
    border-left: 3px solid var(--accent-blue);
    padding-left: 1rem;
    margin: 2rem 0;
}

.pipeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.persona-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

@media (max-width: 960px) {
    .persona-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .persona-grid {
        grid-template-columns: 1fr;
    }
}

.pipeline-card, .persona-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 10px;
}

.step-num {
    color: var(--accent-blue);
    font-weight: 800;
    font-size: 1.5rem;
    display: block;
    margin-bottom: 1rem;
}

.pipeline-card h3, .persona-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.pipeline-card p, .persona-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.value-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.value-table th, .value-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.value-table th {
    background: rgba(255, 255, 255, 0.02);
    font-size: 1.05rem;
}

.value-table td {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.value-table tr:last-child td {
    border-bottom: none;
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.paste-test-section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.section-sub {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.sandbox-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.sandbox-box textarea {
    width: 100%;
    height: 120px;
    background: var(--bg-deep);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    font-family: inherit;
    font-size: 0.95rem;
    resize: vertical;
    margin-bottom: 1rem;
}

.sandbox-output {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    transition: opacity 0.3s ease;
}

.sandbox-output.hidden {
    display: none;
}

.sandbox-progress {
    margin-top: 1rem;
}

.sandbox-progress.hidden {
    display: none;
}

.sandbox-progress-bar {
    height: 4px;
    background: var(--bg-deep);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.sandbox-progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    transition: width 0.35s ease;
}

.sandbox-progress-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.sandbox-gate-summary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background: rgba(59, 130, 246, 0.08);
    color: var(--accent-blue);
}

.sandbox-gate-summary.hidden {
    display: none;
}

.sandbox-gate-summary.gate-pass {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.35);
}

.sandbox-gate-summary.gate-fail {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.35);
}

.sandbox-gate-summary.gate-review {
    background: rgba(245, 158, 11, 0.12);
    color: #d97706;
    border-color: rgba(245, 158, 11, 0.35);
}

.z3-badge.z3-fail {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.output-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.badge {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

.z3-badge {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.redhat-badge {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.node-tree {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.jdf-node {
    background: rgba(255, 255, 255, 0.02);
    border-left: 2px solid var(--accent-blue);
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.glossary-section details {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
}

.glossary-section summary {
    font-weight: 600;
    color: var(--text-main);
}

.glossary-content {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.glossary-content ul {
    list-style-type: disc;
    padding-left: 1.5rem;
}

.glossary-content li {
    margin-bottom: 0.5rem;
}

.social-proof-section {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
}

.trust-signal-text {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-style: italic;
}

.workspace-transition-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    margin-top: 1.25rem;
}

.workspace-transition-banner.hidden {
    display: none;
}

.engine-status {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.engine-status::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
}

.transition-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    font-weight: 500;
    padding: 0;
}

.btn-text:hover {
    color: var(--text-main);
}

.advanced-drawer {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.advanced-drawer.hidden {
    display: none;
}

.advanced-drawer label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.dropdown-styled {
    width: 100%;
    background: var(--bg-deep);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.site-footer {
    padding: 3rem 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Architecture subpage */
.logo-link {
    text-decoration: none;
    color: inherit;
}

.back-link {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-decoration: none;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--accent-blue);
}

.arch-hero {
    padding-top: 4rem;
}

.ast-section,
.exec-pipeline-section,
.z3-section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.ast-section h2,
.exec-pipeline-section h2,
.z3-section h2 {
    font-size: 2.25rem;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.ast-compare {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 2rem;
    margin-top: 2.5rem;
}

@media (max-width: 900px) {
    .ast-compare {
        grid-template-columns: 1fr;
    }
}

.ast-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
}

.ast-panel h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.ast-flat {
    border-style: dashed;
}

.ast-mock {
    background: var(--bg-deep);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 1rem;
    font-family: ui-monospace, monospace;
}

.ast-fail-list {
    list-style: none;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.ast-fail-list li {
    padding: 0.35rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.ast-fail-list li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: #ef4444;
    font-size: 0.75rem;
}

.ast-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.ast-grid .ast-node {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    position: relative;
}

.ast-node-section {
    border-left: 3px solid var(--accent-blue);
}

.ast-node-paragraph {
    border-left: 3px solid var(--accent-green);
}

.ast-node-table {
    border-left: 3px solid #a78bfa;
}

.ast-node-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.ast-node-header code,
.ast-node-label {
    font-size: 0.8rem;
    color: var(--accent-blue);
    font-family: var(--font-sans, Inter, system-ui, sans-serif);
    font-weight: 600;
}

.ast-node-icon {
    font-size: 1rem;
    opacity: 0.7;
}

.ast-node-field {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    font-family: ui-monospace, monospace;
}

.ast-node-field span {
    color: var(--text-main);
    opacity: 0.6;
    margin-right: 0.5rem;
}

.ast-node-children {
    margin-top: 0.75rem;
    padding-left: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-left: 1px dashed var(--border-color);
}

.ast-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-top: 0.5rem;
}

.ast-badge-lock {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.ast-badge-z3 {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.exec-pipeline {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
    counter-reset: exec-step;
}

.exec-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    counter-increment: exec-step;
}

.exec-step::before {
    content: counter(exec-step, decimal-leading-zero);
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.exec-icon {
    font-size: 1.75rem;
    line-height: 1;
    flex-shrink: 0;
}

.exec-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.exec-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.z3-section p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
}

.z3-example {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.z3-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem !important;
}

.z3-human-example {
    background: var(--bg-deep);
    border-radius: 6px;
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-main);
    margin: 0;
}

.z3-code code {
    font-family: ui-monospace, monospace;
    font-size: 0.85rem;
    color: var(--accent-green);
    white-space: pre;
}

.z3-points {
    list-style: none;
    margin-top: 1.5rem;
}

.z3-points li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.z3-points li:last-child {
    border-bottom: none;
}

.arch-bridge {
    text-align: center;
    padding: 2rem 0 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.arch-bridge a {
    color: var(--accent-blue);
    font-weight: 600;
    text-decoration: none;
}

.arch-bridge a:hover {
    text-decoration: underline;
}

.arch-cta-secondary {
    margin-left: 0.75rem;
}

@media (max-width: 600px) {
    .arch-cta-secondary {
        margin-left: 0;
        margin-top: 0.75rem;
    }

    .hero-cta-group {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-comparison,
    .hero-comparison *,
    .lw-demo,
    .lw-demo * {
        animation: none !important;
        transition: none !important;
    }
}

/* Landing workbench persona demo */
.lw-demo {
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
}

.lw-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 99px;
    padding: 4px;
    margin: 0 auto 1.75rem;
    width: fit-content;
    max-width: 100%;
}

.lw-tab-btn {
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 99px;
    padding: 0.55rem 1.1rem;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.lw-tab-btn.active {
    background: var(--trust-blue);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(26, 75, 140, 0.35);
}

.lw-tab-btn:not(.active):hover {
    color: var(--text-main);
}

.lw-tab-btn:focus-visible {
    outline: 2px solid #79C0FF;
    outline-offset: 2px;
}

.lw-workbench {
    width: 100%;
    background: var(--bg-deep);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.lw-titlebar {
    min-height: 40px;
    display: flex;
    align-items: center;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
    background: var(--bg-card);
}

.lw-titlebar-label {
    flex: 1;
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 0;
    text-align: center;
    overflow: hidden;
}

.lw-traffic {
    display: flex;
    gap: 8px;
}

.lw-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.lw-dot.red { background: #F85149; }
.lw-dot.yellow { background: #D29922; }
.lw-dot.green { background: #3FB950; }

.lw-lock-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 6px rgba(46, 125, 50, 0.6);
    flex-shrink: 0;
}

.lw-panes {
    display: flex;
    min-height: 320px;
    max-height: 420px;
}

.lw-pane {
    flex: 1 1 50%;
    padding: 1.35rem 1.25rem;
    overflow: auto;
    background: var(--bg-card);
}

.lw-pane-left {
    border-right: 1px solid var(--border-color);
}

.lw-pane-right {
    position: relative;
}

.lw-pane-header {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.lw-doc-body {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-main);
}

.lw-doc-body p {
    margin: 0 0 0.85rem;
}

.lw-doc-body .flaw-underline {
    text-decoration: underline;
    text-decoration-color: rgba(248, 81, 73, 0.55);
    text-decoration-thickness: 1.5px;
    text-underline-offset: 3px;
    animation: lwPulseUnderline 2.6s ease-in-out infinite;
}

@keyframes lwPulseUnderline {
    0%, 100% { text-decoration-color: rgba(248, 81, 73, 0.25); }
    50% { text-decoration-color: rgba(248, 81, 73, 0.75); }
}

.lw-sweep {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #79C0FF, transparent);
    opacity: 0;
    pointer-events: none;
}

.lw-sweep.run {
    animation: lwSweepDown 0.9s ease-in-out 1;
}

@keyframes lwSweepDown {
    0% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.lw-ast-cards {
    position: relative;
}

.lw-ast-card {
    background: var(--bg-deep);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    line-height: 1.55;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    opacity: 0;
    transform: translateY(6px);
}

.lw-ast-card.show {
    animation: lwCardIn 0.45s ease forwards;
}

@keyframes lwCardIn {
    to { opacity: 1; transform: translateY(0); }
}

.lw-ast-card.flaw {
    background: rgba(248, 81, 73, 0.14);
    border-color: rgba(248, 81, 73, 0.4);
}

.lw-badge {
    flex: 0 0 auto;
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 11px;
    font-weight: 500;
    border-radius: 4px;
    padding: 3px 8px;
    white-space: nowrap;
    opacity: 0;
}

.lw-badge.ok {
    border: 1px solid var(--accent-green);
    background: rgba(46, 125, 50, 0.12);
    color: var(--accent-green);
}

.lw-badge.show {
    animation: lwBadgeIn 0.35s cubic-bezier(0.2, 1.4, 0.4, 1) forwards;
}

@keyframes lwBadgeIn {
    0% { opacity: 0; transform: scale(0.7); }
    100% { opacity: 1; transform: scale(1); }
}

.lw-popover {
    position: absolute;
    width: min(300px, 100%);
    background: var(--bg-card);
    border: 1px solid #F85149;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    padding: 14px 16px 16px;
    opacity: 0;
    transform: translateY(6px) scale(0.98);
    z-index: 5;
    top: calc(100% + 10px);
    right: 0;
    color: #F85149;
}

.lw-popover.show {
    animation: lwPopIn 0.4s cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
}

@keyframes lwPopIn {
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.lw-popover-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.lw-warn-icon {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
}

.lw-popover-title {
    font-size: 13px;
    font-weight: 600;
    color: #F85149;
}

.lw-popover-body {
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-main);
    margin: 0 0 14px;
}

.lw-popover-body b {
    font-weight: 700;
    color: #fff;
}

.lw-refine-btn {
    width: 100%;
    border: none;
    border-radius: 6px;
    padding: 9px 0;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(90deg, var(--trust-blue), #4a8fd4);
    cursor: pointer;
}

.lw-refine-btn:hover {
    filter: brightness(1.08);
}

.lw-command-deck {
    min-height: 64px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 12px 16px;
    gap: 12px;
}

.lw-prompt-box {
    flex: 1;
    height: 40px;
    background: var(--bg-deep);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 8px;
    overflow: hidden;
}

.lw-prompt-caret {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 13px;
    color: #79C0FF;
    flex: 0 0 auto;
}

.lw-prompt-text {
    font-size: 13px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    border-right: 2px solid var(--trust-blue);
}

.lw-prompt-text.blink {
    animation: lwBlink 0.9s step-end infinite;
}

@keyframes lwBlink {
    from, to { border-color: transparent; }
    50% { border-color: var(--trust-blue); }
}

.lw-compile-btn {
    flex: 0 0 auto;
    background: var(--trust-blue);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0 18px;
    height: 40px;
    font-family: inherit;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(26, 75, 140, 0.25);
}

.lw-compile-btn:hover {
    filter: brightness(1.08);
}

@media (max-width: 860px) {
    .lw-panes {
        flex-direction: column;
        max-height: none;
    }

    .lw-pane-left {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .lw-tabs {
        border-radius: 12px;
        padding: 8px;
    }

    .lw-tab-btn {
        flex: 1 1 auto;
        text-align: center;
    }

    .lw-titlebar-label {
        justify-content: flex-start;
        text-align: left;
    }

    .lw-popover {
        width: 100%;
        left: 0;
        right: auto;
        position: relative;
        top: 8px;
        margin-top: 8px;
    }
}

@media (max-width: 480px) {
    .lw-tab-btn {
        font-size: 11px;
        padding: 6px 10px;
    }

    .lw-command-deck {
        flex-wrap: wrap;
    }

    .lw-prompt-box,
    .lw-compile-btn {
        flex: 1 1 100%;
    }
}

/* Enterprise home — scoped so /architecture keeps the existing chrome */
.enterprise-landing {
    --font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #fff;
    color: #0a0a0a;
    font-family: var(--font-family);
}

.enterprise-landing .site-header {
    background: #fff;
    color: #0a0a0a;
    border-bottom: 1px solid #e2e8f0;
}

.enterprise-landing .logo-name,
.enterprise-landing .nav-links a {
    color: #475569;
}

.enterprise-landing .nav-links a:hover {
    color: #0a0a0a;
}

.enterprise-landing .btn-primary-small,
.enterprise-landing .btn-primary {
    background: #0a0a0a;
    color: #fff;
    border: 0;
}

.enterprise-landing .btn-primary-small:hover,
.enterprise-landing .btn-primary:hover {
    background: #1e1e1e;
    color: #fff;
}

.enterprise-landing .hero-section {
    background: #fff;
    color: #0a0a0a;
    padding: 5rem 0 4rem;
    text-align: center;
}

.enterprise-landing .hero-kicker {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 1.25rem;
}

.enterprise-landing .hero-section h1 {
    color: #0a0a0a;
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    max-width: 18ch;
    margin: 0 auto 1rem;
    line-height: 1.08;
}

.enterprise-landing .hero-sub {
    color: #475569;
    font-size: 1.2rem;
    max-width: 36rem;
    margin: 0 auto 2rem;
}

.enterprise-landing .hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.enterprise-landing .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.8rem 2.2rem;
    border-radius: 9999px;
    font-weight: 500;
    color: #0a0a0a;
    border: 1px solid #0a0a0a;
    background: transparent;
    text-decoration: none;
}

.enterprise-landing .btn-secondary:hover {
    background: #0a0a0a;
    color: #fff;
}

.enterprise-landing .section-title {
    text-align: center;
    color: #0a0a0a;
    margin-bottom: 2.5rem;
}

.enterprise-landing .section-title::after {
    content: "";
    display: block;
    width: 32px;
    height: 3px;
    margin: 0.75rem auto 0;
    background: #0a0a0a;
}

.role-demo,
.why-now,
.trust-arch,
.plans-section {
    padding: 4rem 0;
}

.role-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 0 auto 2rem;
}

.role-tab {
    min-height: 44px;
    padding: 0.55rem 1.1rem;
    border: 1px solid #e2e8f0;
    background: #fff;
    color: #475569;
    border-radius: 9999px;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
}

.role-tab.is-active,
.role-tab[aria-selected="true"] {
    background: #0a0a0a;
    color: #fff;
    border-color: #0a0a0a;
}

.role-panel[hidden] {
    display: none;
}

.role-stage {
    max-width: 36rem;
    margin: 0 auto;
    padding: 2rem;
    background: #0a0a0a;
    color: #fff;
    border-radius: 12px;
    min-height: 14rem;
}

.role-flow {
    list-style: none;
    margin: 0;
    padding: 0;
}

.role-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
    font-weight: 500;
    margin-bottom: 1rem;
    opacity: 0.38;
    animation: role-step-in 10s ease-in-out infinite;
}

.role-step:nth-child(1) { animation-delay: 0s; }
.role-step:nth-child(2) { animation-delay: 3.3s; }
.role-step:nth-child(3) { animation-delay: 6.6s; }

.role-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 999px;
    background: #fff;
    color: #0a0a0a;
    font-size: 0.8rem;
    font-weight: 700;
    flex: 0 0 1.75rem;
}

.role-badge {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.2rem 0.65rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: #e8f5ee;
    color: #0d6832;
    border-radius: 999px;
}

.role-caption {
    max-width: 36rem;
    margin: 1.5rem auto 0;
    text-align: center;
    font-size: 1.1rem;
    color: #0a0a0a;
    font-weight: 500;
}

@keyframes role-step-in {
    0%, 28% { opacity: 1; }
    33%, 100% { opacity: 0.38; }
}

@media (prefers-reduced-motion: reduce) {
    .role-step {
        animation: none;
        opacity: 1;
    }
}

.why-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.why-col {
    padding: 2rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
}

.why-col h3 {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: #64748b;
}

.why-col ul {
    list-style: none;
}

.why-col li {
    font-size: 1.05rem;
    color: #0a0a0a;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.why-col-standard {
    background: #0a0a0a;
    border-color: #0a0a0a;
}

.why-col-standard h3,
.why-col-standard li {
    color: #fff;
}

.why-copy {
    max-width: 42rem;
    margin: 0 auto;
    text-align: center;
    color: #475569;
}

.trust-arch-grid-four {
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 1100px) {
    .trust-arch-grid-four {
        grid-template-columns: repeat(4, 1fr);
    }
}

.trust-arch-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.trust-arch-grid article {
    padding: 1.5rem;
    border-top: 2px solid #0a0a0a;
}

.trust-arch-grid h3 {
    margin-bottom: 0.75rem;
    color: #0a0a0a;
}

.trust-arch-grid p {
    color: #475569;
}

.trust-lead {
    text-align: center;
    color: #475569;
    margin: -1rem auto 2rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    max-width: 48rem;
    margin: 0 auto;
}

.plan {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 2rem 1.5rem;
    text-align: center;
}

.plan-name {
    font-weight: 500;
    font-size: 0.85rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.plan .price {
    font-size: 2.2rem;
    font-weight: 600;
    margin: 0.5rem 0;
}

.plan ul {
    list-style: none;
    margin: 1rem 0;
    color: #475569;
}

.plan .btn-primary-small {
    width: 100%;
}

.plan-featured {
    background: #0a0a0a;
    border-color: #0a0a0a;
    color: #fff;
}

.plan-featured .plan-name,
.plan-featured ul {
    color: #cbd5e1;
}

.plan-featured .price {
    color: #fff;
}

.plan-featured .btn-primary-small {
    background: #fff;
    color: #0a0a0a;
}

.waitlist-modal[hidden] {
    display: none;
}

.waitlist-modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.waitlist-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.45);
}

.waitlist-panel {
    position: relative;
    width: min(28rem, 100%);
    background: #fff;
    color: #0a0a0a;
    border-radius: 12px;
    padding: 1.5rem;
    z-index: 1;
}

.waitlist-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    border: 0;
    background: transparent;
    font-size: 1.5rem;
    cursor: pointer;
    color: #64748b;
}

.waitlist-panel h2 {
    margin: 0 2rem 0.75rem 0;
    font-size: 1.25rem;
}

.waitlist-panel label {
    display: block;
    font-size: 0.875rem;
    margin: 0.75rem 0 0.25rem;
}

.waitlist-input {
    width: 100%;
    box-sizing: border-box;
    min-height: 44px;
    padding: 0.65rem 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font: inherit;
}

.waitlist-submit {
    display: block;
    width: 100%;
    margin-top: 1rem;
    border: 0;
    border-radius: 8px;
    min-height: 44px;
    background: #0a0a0a;
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.waitlist-error {
    color: #9a3b12;
    margin-top: 0.5rem;
}

body.waitlist-open {
    overflow: hidden;
}

.pilot-sandbox h2 {
    margin: 0.75rem 0;
}

.enterprise-landing .site-footer {
    background: #fff;
    color: #475569;
    border-top: 1px solid #e2e8f0;
}

.enterprise-landing .footer-links {
    margin-top: 0.5rem;
}

.enterprise-landing .footer-links a {
    color: #0a0a0a;
}

.footer-engineer {
    margin-top: 0.5rem;
    color: #64748b;
    font-size: 0.9375rem;
}

@media (max-width: 800px) {
    .why-split,
    .trust-arch-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .enterprise-landing .hero-section h1 {
        max-width: none;
    }
}