@layer base, theme, layout, components, utilities;

@layer theme {
  :root {
    --paper: #f7f9fc;
    --surface: #ffffff;
    --surface-muted: #eef2f7;
    --surface-code: #121e2f;
    --ink: #0f1d2e;
    --ink-secondary: #47586e;
    --ink-code: #e6eef8;
    --border-subtle: #d5dde8;
    --border-strong: #9fb0c7;
    --topbar-bg: #0f1d2e;
    --topbar-border: #243852;
    --topbar-pill-bg: #1f3a60;
    --topbar-pill-ink: #cfe1ff;
    --topbar-hover-bg: #1b3150;
    --accent-cobalt: #1554c0;
    --accent-cobalt-hover: #0e3f96;
    --accent-cobalt-tint: #ebf2ff;
    --accent-emerald: #0b6b49;
    --accent-emerald-hover: #085238;
    --signal-verified: #0d6847;
    --signal-verified-bg: #e7f6f0;
    --signal-modeled: #8c5200;
    --signal-modeled-bg: #fef4e6;
    --signal-halt: #a62626;
    --signal-halt-bg: #fdecec;
    --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", "Cascadia Mono", ui-monospace, monospace;
    --radius-sm: 6px;
    --radius-md: 10px;
  }

  html[data-site="clustercollateral"] {
    --topbar-bg: #0c2229;
    --topbar-border: #1d434f;
    --topbar-pill-bg: #164957;
    --topbar-pill-ink: #ccf0f7;
    --topbar-hover-bg: #143b46;
    --surface-code: #0f2429;
    --accent-cobalt: #0f5e6e;
    --accent-cobalt-hover: #0a4652;
    --accent-cobalt-tint: #e6f4f6;
  }

  html[data-site="datacentercredit"] {
    --topbar-bg: #0d241b;
    --topbar-border: #1d4736;
    --topbar-pill-bg: #174d38;
    --topbar-pill-ink: #cdf2e2;
    --topbar-hover-bg: #143f2e;
    --surface-code: #0f261d;
    --accent-cobalt: #145a3e;
    --accent-cobalt-hover: #0d402b;
    --accent-cobalt-tint: #e8f5ee;
  }
}

@layer base {
  :where(html, body, div, header, nav, main, section, aside, footer, form, fieldset, legend, table, caption, thead, tbody, tr, th, td, input, select, textarea, button, a, h1, h2, h3, p, ul, li, dl, dt, dd, pre, code, span, label) {
    box-sizing: border-box;
  }

  html {
    color-scheme: light;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--ink);
    background-color: var(--paper);
    -webkit-text-size-adjust: 100%;
  }

  body {
    margin: 0;
    accent-color: var(--accent-cobalt);
  }

  h1, h2, h3, p {
    margin-block-start: 0;
  }

  a:any-link {
    color: var(--accent-cobalt);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
  }

  a:any-link:hover {
    color: var(--accent-cobalt-hover);
  }

  code, pre, .mono {
    font-family: var(--font-mono);
  }
}

@layer layout {
  .topbar {
    background: var(--topbar-bg);
    color: #f0f4fa;
    padding-block: 0.7rem;
    padding-inline: clamp(1rem, 3vw, 2.25rem);
    border-block-end: 1px solid var(--topbar-border);
  }

  .topbar-inner {
    max-inline-size: 1480px;
    margin-inline: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }

  .brand-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
  }

  a.brand-name:any-link {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    color: #ffffff;
    text-decoration: none;
  }

  .stg-pill {
    font-family: var(--font-mono);
    font-size: 0.73rem;
    padding-block: 0.15rem;
    padding-inline: 0.5rem;
    border-radius: var(--radius-sm);
    background: var(--topbar-pill-bg);
    color: var(--topbar-pill-ink);
  }

  .primary-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .primary-nav a:any-link {
    display: inline-flex;
    align-items: center;
    min-block-size: 36px;
    padding-block: 0.3rem;
    padding-inline: 0.7rem;
    border-radius: var(--radius-sm);
    color: #d6e4f7;
    text-decoration: none;
    font-weight: 550;
    font-size: 0.85rem;
  }

  .primary-nav a:any-link:hover {
    background: var(--topbar-hover-bg);
    color: #ffffff;
  }

  .primary-nav a[aria-current="page"] {
    background: var(--accent-cobalt);
    color: #ffffff;
    font-weight: 650;
  }

  .heartbeat-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #b9cbe3;
  }

  .notice-strip {
    background: var(--surface);
    border-block-end: 1px solid var(--border-subtle);
    padding-block: 0.55rem;
    padding-inline: clamp(1rem, 3vw, 2.25rem);
    font-size: 0.82rem;
    color: var(--ink-secondary);
  }

  .notice-strip-inner {
    max-inline-size: 1480px;
    margin-inline: auto;
  }

  .workbench {
    max-inline-size: 1480px;
    margin-inline: auto;
    padding-block: 1.5rem 3rem;
    padding-inline: clamp(1rem, 3vw, 2.25rem);
    display: grid;
    grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
    gap: 1.75rem;
    align-items: start;
  }

  .page-shell {
    max-inline-size: 1480px;
    margin-inline: auto;
    padding-block: 1.5rem 3rem;
    padding-inline: clamp(1rem, 3vw, 2.25rem);
    display: grid;
    gap: 1.5rem;
  }

  @media (width < 1024px) {
    .workbench {
      grid-template-columns: 1fr;
    }
  }
}

@layer components {
  .control-sheet {
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    position: sticky;
    inset-block-start: 1rem;
  }

  @media (width < 1024px) {
    .control-sheet {
      position: static;
    }
  }

  .subnav-pills ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .subnav-pills a:any-link {
    display: inline-flex;
    align-items: center;
    min-block-size: 40px;
    padding-block: 0.4rem;
    padding-inline: 0.8rem;
    border-radius: var(--radius-sm);
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    color: var(--ink);
    font-size: 0.84rem;
    font-weight: 600;
    text-decoration: none;
  }

  .subnav-pills a:any-link:hover {
    border-color: var(--accent-cobalt);
    color: var(--accent-cobalt);
  }

  .subnav-pills a[aria-current="page"] {
    background: var(--accent-cobalt);
    border-color: var(--accent-cobalt);
    color: #ffffff;
  }

  fieldset {
    border: 0;
    margin: 0;
    padding: 0;
  }

  fieldset:not(:last-child) {
    margin-block-end: 1.25rem;
    padding-block-end: 1.15rem;
    border-block-end: 1px solid var(--border-subtle);
  }

  legend {
    font-weight: 650;
    font-size: 0.95rem;
    color: var(--ink);
    padding: 0;
    margin-block-end: 0.85rem;
  }

  .form-group {
    margin-block-end: 1rem;
  }

  .form-group:last-child {
    margin-block-end: 0;
  }

  /* Gestalt proximity: label-to-input gap (0.3rem) < group-to-group gap (1rem) */
  .field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 550;
    color: var(--ink);
    margin-block-end: 0.3rem;
  }

  .field-hint {
    display: block;
    font-size: 0.78rem;
    color: var(--ink-secondary);
    margin-block-start: 0.25rem;
    margin-block-end: 0.25rem;
  }

  .field-error {
    display: block;
    font-size: 0.8rem;
    color: var(--signal-halt);
    font-weight: 550;
    margin-block-start: 0.25rem;
    min-block-size: 1.1em;
  }

  input[type="text"],
  input[type="email"],
  input[type="url"],
  select,
  textarea {
    inline-size: 100%;
    font-family: inherit;
    font-size: 1rem;
    font-variant-numeric: tabular-nums lining-nums;
    color: var(--ink);
    background-color: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding-block: 0.6rem;
    padding-inline: 0.75rem;
    min-block-size: 48px;
  }

  textarea {
    min-block-size: 110px;
    resize: vertical;
  }

  @media (pointer: coarse) {
    input[type="text"],
    input[type="email"],
    input[type="url"],
    select,
    button,
    .btn-link {
      min-block-size: 52px;
    }
  }

  :where(a:any-link, input, select, textarea, button, summary, .table-wrapper, .code-box):focus-visible {
    outline: 3px solid var(--accent-cobalt);
    outline-offset: 2px;
  }

  :where(input, textarea):invalid:user-invalid {
    border-color: var(--signal-halt);
    background-color: var(--signal-halt-bg);
  }

  .grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  @media (width < 520px) {
    .grid-2 {
      grid-template-columns: 1fr;
    }
  }

  /* Radio pills & consent card using modern CSS :has(input:checked) */
  .radio-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .radio-stack {
    display: grid;
    gap: 0.5rem;
  }

  .radio-pill,
  .consent-box {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding-block: 0.6rem;
    padding-inline: 0.75rem;
    min-block-size: 48px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.87rem;
    font-weight: 550;
    background: var(--surface);
    accent-color: var(--accent-cobalt);
  }

  .radio-pill {
    align-items: center;
  }

  :where(.radio-pill, .consent-box):has(input:checked) {
    border-color: var(--accent-cobalt);
    background: var(--accent-cobalt-tint);
    color: var(--ink);
  }

  .btn-stack {
    display: grid;
    gap: 0.6rem;
    margin-block-start: 0.75rem;
  }

  .btn-inline-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-block-start: 0.75rem;
  }

  button,
  a.btn-link:any-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    min-block-size: 48px;
    padding-block: 0.6rem;
    padding-inline: 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    text-align: center;
  }

  button.primary,
  a.btn-link.primary:any-link {
    background: var(--accent-cobalt);
    color: #ffffff;
  }

  button.primary:hover:not(:disabled),
  a.btn-link.primary:any-link:hover {
    background: var(--accent-cobalt-hover);
    color: #ffffff;
  }

  button.btn-checkout {
    background: var(--accent-emerald);
    color: #ffffff;
  }

  button.btn-checkout:hover:not(:disabled) {
    background: var(--accent-emerald-hover);
  }

  button.secondary,
  a.btn-link.secondary:any-link {
    background: var(--surface-muted);
    color: var(--ink);
    border-color: var(--border-strong);
  }

  button.secondary:hover:not(:disabled),
  a.btn-link.secondary:any-link:hover {
    background: #dfe7f2;
    color: var(--ink);
  }

  button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }

  .commerce-box,
  .audit-box {
    margin-block-start: 1rem;
    padding: 0.85rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--paper);
  }

  .commerce-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--ink-secondary);
    margin-block-end: 0.5rem;
  }

  .ledger-col {
    display: grid;
    gap: 1.5rem;
  }

  .sheet-panel {
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: clamp(1rem, 2vw, 1.5rem);
  }

  .panel-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.65rem 1rem;
    margin-block-end: 1rem;
    padding-block-end: 0.75rem;
    border-block-end: 1px solid var(--border-subtle);
  }

  .panel-title {
    font-size: 1.18rem;
    font-weight: 700;
    margin: 0;
  }

  .panel-sub {
    font-size: 0.84rem;
    color: var(--ink-secondary);
    font-variant-numeric: tabular-nums lining-nums;
  }

  .eula-alert {
    background: var(--signal-halt-bg);
    border-inline-start: 4px solid var(--signal-halt);
    color: var(--signal-halt);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.86rem;
    font-weight: 550;
    margin-block-end: 1rem;
  }

  .status-banner {
    background: var(--signal-verified-bg);
    border-inline-start: 4px solid var(--signal-verified);
    color: var(--signal-verified);
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    margin-block-start: 1rem;
  }

  .vault-box {
    border: 1px solid var(--border-strong);
    background: var(--paper);
    border-radius: var(--radius-md);
    padding: 1.25rem;
  }

  .band-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
  }

  .prose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.15rem;
  }

  .clean-list {
    margin: 0;
    padding-inline-start: 1.2rem;
    display: grid;
    gap: 0.5rem;
    font-size: 0.9rem;
  }

  .band-box {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.95rem;
    background: var(--paper);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .band-box.halt-state {
    background: var(--signal-halt-bg);
    border-color: #e6b0b0;
  }

  .band-label {
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--ink-secondary);
  }

  .band-value {
    font-size: 1.38rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums lining-nums;
    letter-spacing: -0.02em;
    color: var(--ink);
  }

  .band-value.halt-text,
  .halt-inline {
    font-size: 0.85rem;
    font-family: var(--font-mono);
    color: var(--signal-halt);
    font-weight: 650;
  }

  .band-sub {
    font-size: 0.8rem;
    color: var(--ink-secondary);
    font-variant-numeric: tabular-nums lining-nums;
  }

  .tier-badge {
    display: inline-block;
    align-self: flex-start;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding-block: 0.15rem;
    padding-inline: 0.45rem;
    border-radius: 4px;
  }

  .tier-verified {
    background: var(--signal-verified-bg);
    color: var(--signal-verified);
  }

  .tier-modeled {
    background: var(--signal-modeled-bg);
    color: var(--signal-modeled);
  }

  .tier-halt {
    background: #f9d7d7;
    color: var(--signal-halt);
  }

  .kpi-split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.35rem;
  }

  .metric-list {
    margin: 0;
    padding: 0;
  }

  .metric-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding-block: 0.5rem;
    font-size: 0.9rem;
    font-variant-numeric: tabular-nums lining-nums;
  }

  .metric-row:not(:last-child) {
    border-block-end: 1px solid var(--surface-muted);
  }

  .metric-row dt {
    color: var(--ink-secondary);
  }

  .metric-row dd {
    margin: 0;
    font-weight: 650;
    color: var(--ink);
    text-align: end;
  }

  /* Responsive Table (modern-web-guidance: responsive-table) */
  .table-wrapper {
    overflow: auto;
    max-inline-size: 100%;
    max-block-size: min(480px, 75vh);
    container-type: inline-size;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
  }

  table {
    inline-size: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.86rem;
    font-variant-numeric: tabular-nums lining-nums;
  }

  caption {
    text-align: start;
    padding: 0.65rem 0.85rem;
    font-weight: 600;
    font-size: 0.84rem;
    color: var(--ink-secondary);
    background: var(--paper);
    border-block-end: 1px solid var(--border-subtle);
  }

  thead {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
  }

  thead th {
    background: var(--surface-muted);
    color: var(--ink);
    font-weight: 650;
    text-align: start;
    padding: 0.6rem 0.75rem;
    border-block-end: 1px solid var(--border-strong);
    white-space: nowrap;
  }

  tbody th,
  tbody td {
    padding: 0.55rem 0.75rem;
    border-block-end: 1px solid var(--surface-muted);
    text-align: start;
  }

  tbody th {
    position: sticky;
    inset-inline-start: 0;
    z-index: 1;
    background: var(--surface);
    font-weight: 650;
    border-inline-end: 1px solid var(--surface-muted);
  }

  .num-col {
    text-align: end;
  }

  @container (width < 600px) {
    table, thead, tbody, tr, th, td {
      display: block;
    }

    thead {
      display: none;
    }

    tr {
      margin-block-end: 1rem;
      border-block-end: 2px solid var(--border-strong);
    }

    tbody th {
      position: sticky;
      inset-block-start: 0;
      z-index: 2;
      background: var(--surface-muted);
    }

    .num-col {
      text-align: start;
    }

    table.schedule-table {
      --label-2: "Cluster OLV";
      --label-3: "Cluster FLV";
      --label-4: "Monthly OpEx";
      --label-5: "Stressed NOI";
      --label-6: "Debt Service";
      --label-7: "Merchant Cov";
    }
    table.schedule-table td:nth-child(2)::before { content: var(--label-2) ": "; font-weight: 600; }
    table.schedule-table td:nth-child(3)::before { content: var(--label-3) ": "; font-weight: 600; }
    table.schedule-table td:nth-child(4)::before { content: var(--label-4) ": "; font-weight: 600; }
    table.schedule-table td:nth-child(5)::before { content: var(--label-5) ": "; font-weight: 600; }
    table.schedule-table td:nth-child(6)::before { content: var(--label-6) ": "; font-weight: 600; }
    table.schedule-table td:nth-child(7)::before { content: var(--label-7) ": "; font-weight: 600; }

    table.obs-table {
      --olabel-2: "Provider / Region";
      --olabel-3: "Category";
      --olabel-4: "Tier";
      --olabel-5: "Value";
      --olabel-6: "As-Of / License";
    }
    table.obs-table td:nth-child(2)::before { content: var(--olabel-2) ": "; font-weight: 600; }
    table.obs-table td:nth-child(3)::before { content: var(--olabel-3) ": "; font-weight: 600; }
    table.obs-table td:nth-child(4)::before { content: var(--olabel-4) ": "; font-weight: 600; }
    table.obs-table td:nth-child(5)::before { content: var(--olabel-5) ": "; font-weight: 600; }
    table.obs-table td:nth-child(6)::before { content: var(--olabel-6) ": "; font-weight: 600; }

    table.gov-table {
      --glabel-2: "License";
      --glabel-3: "Status";
      --glabel-4: "Governance Rule";
    }
    table.gov-table td:nth-child(2)::before { content: var(--glabel-2) ": "; font-weight: 600; }
    table.gov-table td:nth-child(3)::before { content: var(--glabel-3) ": "; font-weight: 600; }
    table.gov-table td:nth-child(4)::before { content: var(--glabel-4) ": "; font-weight: 600; }

    table.band-table {
      --blabel-2: "Single Node (EUR)";
      --blabel-3: "Single Node (USD)";
      --blabel-4: "Evidence Tier";
      --blabel-5: "Basis";
    }
    table.band-table td:nth-child(2)::before { content: var(--blabel-2) ": "; font-weight: 600; }
    table.band-table td:nth-child(3)::before { content: var(--blabel-3) ": "; font-weight: 600; }
    table.band-table td:nth-child(4)::before { content: var(--blabel-4) ": "; font-weight: 600; }
    table.band-table td:nth-child(5)::before { content: var(--blabel-5) ": "; font-weight: 600; }

    table.arb-table {
      --alabel-2: "All-In Power";
      --alabel-3: "36m Power Cost";
      --alabel-4: "36m Net Own TCO";
      --alabel-5: "Self-Hosted / GPU-h";
      --alabel-6: "vs. Secure Neocloud";
    }
    table.arb-table td:nth-child(2)::before { content: var(--alabel-2) ": "; font-weight: 600; }
    table.arb-table td:nth-child(3)::before { content: var(--alabel-3) ": "; font-weight: 600; }
    table.arb-table td:nth-child(4)::before { content: var(--alabel-4) ": "; font-weight: 600; }
    table.arb-table td:nth-child(5)::before { content: var(--alabel-5) ": "; font-weight: 600; }
    table.arb-table td:nth-child(6)::before { content: var(--alabel-6) ": "; font-weight: 600; }

    table.api-table {
      --plabel-2: "Auth";
      --plabel-3: "Purpose";
    }
    table.api-table td:nth-child(2)::before { content: var(--plabel-2) ": "; font-weight: 600; }
    table.api-table td:nth-child(3)::before { content: var(--plabel-3) ": "; font-weight: 600; }

    table.collateral-ltv-table {
      --cltv-2: "Target LTV";
      --cltv-3: "Borrowing-Base Gate";
      --cltv-4: "Eligible Senior Advance";
      --cltv-5: "T4 Sensitivity";
      --cltv-6: "Covenant Rule";
    }
    table.collateral-ltv-table td:nth-child(2)::before { content: var(--cltv-2) ": "; font-weight: 600; }
    table.collateral-ltv-table td:nth-child(3)::before { content: var(--cltv-3) ": "; font-weight: 600; }
    table.collateral-ltv-table td:nth-child(4)::before { content: var(--cltv-4) ": "; font-weight: 600; }
    table.collateral-ltv-table td:nth-child(5)::before { content: var(--cltv-5) ": "; font-weight: 600; }
    table.collateral-ltv-table td:nth-child(6)::before { content: var(--cltv-6) ": "; font-weight: 600; }

    table.collateral-vintage-table {
      --cvin-2: "0m OEM Anchor";
      --cvin-3: "Executed FMV Gate";
      --cvin-4: "Modeled OLV / FLV";
      --cvin-5: "Senior ABL Status";
    }
    table.collateral-vintage-table td:nth-child(2)::before { content: var(--cvin-2) ": "; font-weight: 600; }
    table.collateral-vintage-table td:nth-child(3)::before { content: var(--cvin-3) ": "; font-weight: 600; }
    table.collateral-vintage-table td:nth-child(4)::before { content: var(--cvin-4) ": "; font-weight: 600; }
    table.collateral-vintage-table td:nth-child(5)::before { content: var(--cvin-5) ": "; font-weight: 600; }

    table.market-mw-table {
      --mmw-2: "IT Nameplate";
      --mmw-3: "Active DLC Grid Draw";
      --mmw-4: "Active Air Grid Draw";
      --mmw-5: "Annual DLC Energy";
      --mmw-6: "36m OpEx Split";
    }
    table.market-mw-table td:nth-child(2)::before { content: var(--mmw-2) ": "; font-weight: 600; }
    table.market-mw-table td:nth-child(3)::before { content: var(--mmw-3) ": "; font-weight: 600; }
    table.market-mw-table td:nth-child(4)::before { content: var(--mmw-4) ": "; font-weight: 600; }
    table.market-mw-table td:nth-child(5)::before { content: var(--mmw-5) ": "; font-weight: 600; }
    table.market-mw-table td:nth-child(6)::before { content: var(--mmw-6) ": "; font-weight: 600; }

    table.market-fleet-table {
      --mflt-2: "Active Load";
      --mflt-3: "36m Net Own TCO";
      --mflt-4: "Self-Hosted / GPU-h";
      --mflt-5: "Borrowing-Base Gate";
      --mflt-6: "Debt & DSCR Series";
    }
    table.market-fleet-table td:nth-child(2)::before { content: var(--mflt-2) ": "; font-weight: 600; }
    table.market-fleet-table td:nth-child(3)::before { content: var(--mflt-3) ": "; font-weight: 600; }
    table.market-fleet-table td:nth-child(4)::before { content: var(--mflt-4) ": "; font-weight: 600; }
    table.market-fleet-table td:nth-child(5)::before { content: var(--mflt-5) ": "; font-weight: 600; }
    table.market-fleet-table td:nth-child(6)::before { content: var(--mflt-6) ": "; font-weight: 600; }

    table.home-hw-table {
      --hhw-2: "0m OEM Ask (USD / EUR)";
      --hhw-3: "IT Load";
      --hhw-4: "US-TX ERCOT 36m TCO";
      --hhw-5: "Germany DE-LU 36m TCO";
      --hhw-6: "Implied Own $/GPU-h";
    }
    table.home-hw-table td:nth-child(2)::before { content: var(--hhw-2) ": "; font-weight: 600; }
    table.home-hw-table td:nth-child(3)::before { content: var(--hhw-3) ": "; font-weight: 600; }
    table.home-hw-table td:nth-child(4)::before { content: var(--hhw-4) ": "; font-weight: 600; }
    table.home-hw-table td:nth-child(5)::before { content: var(--hhw-5) ": "; font-weight: 600; }
    table.home-hw-table td:nth-child(6)::before { content: var(--hhw-6) ": "; font-weight: 600; }

    table.home-collateral-table {
      --hcol-2: "0m OEM Anchor";
      --hcol-3: "ASA OLV / FLV Factor";
      --hcol-4: "Commercial DC EULA Gate";
      --hcol-5: "Senior ABL Status";
      --hcol-6: "Standard LTV Tranche";
    }
    table.home-collateral-table td:nth-child(2)::before { content: var(--hcol-2) ": "; font-weight: 600; }
    table.home-collateral-table td:nth-child(3)::before { content: var(--hcol-3) ": "; font-weight: 600; }
    table.home-collateral-table td:nth-child(4)::before { content: var(--hcol-4) ": "; font-weight: 600; }
    table.home-collateral-table td:nth-child(5)::before { content: var(--hcol-5) ": "; font-weight: 600; }
    table.home-collateral-table td:nth-child(6)::before { content: var(--hcol-6) ": "; font-weight: 600; }

    table.home-market-table {
      --hmkt-2: "Hub & Grid Operator";
      --hmkt-3: "Industrial Tariff";
      --hmkt-4: "10 MW Annual MWh";
      --hmkt-5: "32-GPU H100 36m TCO";
    }
    table.home-market-table td:nth-child(2)::before { content: var(--hmkt-2) ": "; font-weight: 600; }
    table.home-market-table td:nth-child(3)::before { content: var(--hmkt-3) ": "; font-weight: 600; }
    table.home-market-table td:nth-child(4)::before { content: var(--hmkt-4) ": "; font-weight: 600; }
    table.home-market-table td:nth-child(5)::before { content: var(--hmkt-5) ": "; font-weight: 600; }
  }

  .code-box {
    background: var(--surface-code);
    color: var(--ink-code);
    padding: 0.9rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    overflow-x: auto;
    margin: 0.75rem 0;
  }

  .site-footer {
    max-inline-size: 1480px;
    margin-inline: auto;
    padding: 1.5rem clamp(1rem, 3vw, 2.25rem) 3rem;
    font-size: 0.8rem;
    color: var(--ink-secondary);
    border-block-start: 1px solid var(--border-subtle);
  }

  .footer-sub {
    margin-block-start: 0.5rem;
    margin-block-end: 0;
  }
}

@layer utilities {
  .visually-hidden:where(:not(:focus-within, :active)) {
    position: absolute !important;
    clip-path: inset(50%) !important;
    overflow: hidden !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    white-space: nowrap !important;
  }

  a.skip-link:any-link {
    position: fixed;
    inset-block-start: 0.5rem;
    inset-inline-start: 0.5rem;
    z-index: 100;
    background: var(--accent-cobalt);
    color: #ffffff;
    padding: 0.55rem 0.9rem;
    border-radius: var(--radius-sm);
    font-weight: 650;
    text-decoration: none;
  }

  .mt-lg {
    margin-block-start: 1.35rem;
  }

  .mb-md {
    margin-block-end: 1.25rem;
  }

  .mb-none {
    margin-block-end: 0;
  }

  [hidden] {
    display: none !important;
  }
}

@layer components {
  .hypo-banner {
    background: var(--signal-modeled-bg);
    border-inline-start: 4px solid var(--signal-modeled);
    color: var(--signal-modeled);
    padding: 0.7rem 0.95rem;
    border-radius: var(--radius-sm);
    font-size: 0.84rem;
    font-weight: 550;
    margin-block-end: 0.85rem;
  }

  .hypo-box {
    border: 1px solid #ecc68c;
    background: #fffaf2;
    border-radius: var(--radius-sm);
    padding: 0.9rem 1rem;
  }

  .hypo-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--signal-modeled);
    margin-block-end: 0.25rem;
  }

  .band-box.hypo-state {
    background: #fffaf2;
    border-color: #ecc68c;
  }

  dialog.b2b-dialog {
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 0;
    max-inline-size: min(660px, 94vw);
    inline-size: 100%;
    color: var(--ink);
    background: var(--surface);
    box-shadow: 0 20px 48px rgba(15, 29, 46, 0.28);
  }

  dialog.b2b-dialog:modal {
    overscroll-behavior: contain;
  }

  dialog.b2b-dialog::backdrop {
    background: rgba(15, 29, 46, 0.62);
    overflow: hidden;
    overscroll-behavior: contain;
  }

  .slot-track-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 1rem;
  }

  .slot-track-card {
    background: var(--surface);
  }

  .slot-track-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.6rem;
    margin-block-end: 0.65rem;
  }

  .slot-track-title {
    font-size: 0.96rem;
    font-weight: 700;
    margin: 0;
    color: var(--ink);
  }

  .slot-list {
    display: grid;
    gap: 0.65rem;
    margin-block: 0.5rem;
  }

  .slot-item {
    border: 1px solid #ecc68c;
    background: #fffaf2;
    border-radius: var(--radius-sm);
    padding: 0.7rem 0.8rem;
  }

  .slot-item-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.4rem;
    margin-block-end: 0.35rem;
  }

  .slot-region {
    font-size: 0.73rem;
    color: var(--ink-secondary);
  }

  .slot-company {
    font-size: 0.94rem;
    font-weight: 700;
    margin: 0 0 0.25rem 0;
  }

  .slot-headline {
    font-size: 0.83rem;
    color: var(--ink);
    margin: 0 0 0.35rem 0;
  }

  .slot-foot {
    font-size: 0.72rem;
    color: var(--ink-secondary);
  }

  .slot-empty-note {
    margin-block: 0.4rem 0.6rem;
  }

  .b2b-dialog-inner {
    padding: clamp(1.1rem, 2.5vw, 1.65rem);
  }

  .dialog-tax-note {
    font-size: 0.84rem;
    color: var(--ink-secondary);
    background: var(--paper);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.7rem 0.9rem;
    margin-block-end: 1rem;
  }

  :where(input, textarea).user-invalid-fallback {
    border-color: var(--signal-halt);
    background-color: var(--signal-halt-bg);
  }

  :where(input, textarea):user-valid {
    border-color: var(--signal-verified);
  }
}

  .band-value.pro-lock-text,
  .pro-lock-inline {
    font-size: 0.9rem;
    font-family: var(--font-mono);
    color: var(--signal-modeled);
    font-weight: 650;
  }

  details.tier-disclosure {
    margin-block-start: 0.85rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--surface);
    padding: 0.55rem 0.75rem;
  }

  details.tier-disclosure > summary {
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 650;
    color: var(--ink);
  }

  details.tier-disclosure[open] > summary {
    margin-block-end: 0.5rem;
    padding-block-end: 0.4rem;
    border-block-end: 1px solid var(--surface-muted);
  }

@layer components {
  .funnel-context-note {
    margin-block-start: 0.95rem;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--border-subtle);
    border-inline-start: 3px solid var(--accent-cobalt);
    border-radius: var(--radius-sm);
    background: var(--paper);
    font-size: 0.84rem;
    color: var(--ink-secondary);
  }

  /* Progressive enhancement fallback when accent-color is unsupported (modern-web-guidance: brand-consistent-forms) */
  @supports not (accent-color: var(--accent-cobalt)) {
    :where(.consent-box, .radio-pill) > input[type="checkbox"],
    :where(.consent-box, .radio-pill) > input[type="radio"] {
      position: absolute !important;
      clip-path: inset(50%) !important;
      overflow: hidden !important;
      width: 1px !important;
      height: 1px !important;
      margin: -1px !important;
      padding: 0 !important;
      border: 0 !important;
      white-space: nowrap !important;
    }

    :where(.consent-box, .radio-pill) > input + span {
      position: relative;
      padding-inline-start: 1.65rem;
      display: inline-block;
    }

    :where(.consent-box, .radio-pill) > input + span::before {
      content: "";
      position: absolute;
      inset-inline-start: 0;
      inset-block-start: 0.15rem;
      width: 1.1rem;
      height: 1.1rem;
      border: 2px solid var(--border-strong);
      background: var(--surface);
      box-sizing: border-box;
    }

    .consent-box > input[type="checkbox"] + span::before {
      border-radius: 4px;
    }

    .radio-pill > input[type="radio"] + span::before {
      border-radius: 50%;
    }

    :where(.consent-box, .radio-pill) > input:focus-visible + span::before {
      outline: 3px solid var(--accent-cobalt);
      outline-offset: 2px;
    }

    :where(.consent-box, .radio-pill) > input:checked + span::before {
      background-color: var(--accent-cobalt);
      border-color: var(--accent-cobalt);
    }

    .consent-box > input[type="checkbox"]:checked + span::after {
      content: "✓";
      position: absolute;
      inset-inline-start: 0.22rem;
      inset-block-start: 0.05rem;
      color: #ffffff;
      font-weight: 700;
      font-size: 0.85rem;
      line-height: 1.2;
    }

    .radio-pill > input[type="radio"]:checked + span::after {
      content: "";
      position: absolute;
      inset-inline-start: 0.32rem;
      inset-block-start: 0.47rem;
      width: 0.46rem;
      height: 0.46rem;
      border-radius: 50%;
      background: #ffffff;
    }
  }
}


/* TOP-1 Institutional SVG Charts, Below-Fold Content-Visibility & Pack Preview Accordions */
.below-fold-panel {
  content-visibility: auto;
  contain-intrinsic-size: auto none auto 320px;
}

.svg-chart-wrap {
  margin-block: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #f8fafc;
  padding: 0.5rem;
  overflow-x: auto;
}

.inst-svg-chart {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.compare-links-bar {
  margin-block-start: 0.9rem;
  padding-block-start: 0.75rem;
  border-block-start: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.compare-bar-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.compare-pill-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.compare-pill-list a {
  display: inline-block;
  padding: 0.28rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--surface-muted);
  color: var(--text-main);
  text-decoration: none;
}

.compare-pill-list a:hover,
.compare-pill-list a:focus-visible {
  border-color: var(--accent-cobalt);
  color: var(--accent-cobalt);
}

.pack-accordion-group {
  display: grid;
  gap: 0.65rem;
}

.pack-accordion {
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface-muted);
  padding: 0.65rem 0.9rem;
}

.pack-accordion > summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-main);
}

.pack-accordion-body {
  margin-block-start: 0.75rem;
  padding-block-start: 0.65rem;
  border-block-start: 1px solid var(--border);
}

.cite-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.85rem;
  margin-block-start: 0.5rem;
}

.cite-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 0.35rem;
  font-size: 0.82rem;
}

.btn-copy-cite {
  padding: 0.25rem 0.6rem;
  font-size: 0.76rem;
}