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

@layer tokens {
  :root {
    color-scheme: light;
    --color-bg: oklch(98.5% 0.004 210);
    --color-surface: oklch(100% 0 0);
    --color-surface-muted: oklch(96.5% 0.01 205);
    --color-fg: oklch(20% 0.018 220);
    --color-fg-muted: oklch(43% 0.018 220);
    --color-border: oklch(88% 0.016 215);
    --color-border-strong: oklch(78% 0.024 210);
    --color-accent: oklch(45% 0.09 185);
    --color-accent-strong: oklch(34% 0.08 185);
    --color-accent-soft: oklch(94% 0.035 185);
    --color-focus: oklch(58% 0.16 195);
    --shadow-soft: 0 1.5rem 4rem oklch(32% 0.02 220 / 12%);

    --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --fs-xs: 0.8125rem;
    --fs-sm: 0.9375rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.375rem;
    --fs-xl: 1.875rem;
    --fs-2xl: clamp(2.25rem, 7vw, 4.75rem);

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --max-page: 72rem;
  }
}

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

  html {
    scroll-behavior: smooth;
  }

  body {
    min-inline-size: 20rem;
    margin: 0;
    background: var(--color-bg);
    color: var(--color-fg);
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
  }

  a {
    color: inherit;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
  }

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

  h1,
  h2,
  h3 {
    line-height: 1.08;
    text-wrap: balance;
  }

  h1 {
    max-inline-size: 12ch;
    font-size: var(--fs-2xl);
  }

  h2 {
    max-inline-size: 16ch;
    font-size: var(--fs-xl);
  }

  h3 {
    font-size: var(--fs-md);
  }

  table {
    inline-size: 100%;
    border-collapse: collapse;
  }

  th,
  td {
    text-align: start;
    vertical-align: top;
  }

  :focus-visible {
    outline: 0.1875rem solid var(--color-focus);
    outline-offset: 0.1875rem;
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto;
      transition-duration: 0.001ms;
      animation-duration: 0.001ms;
      animation-iteration-count: 1;
    }
  }
}

@layer layout {
  .site-header,
  .hero,
  .band,
  .deliverable,
  .cta,
  .sample,
  .site-footer {
    inline-size: min(100% - 2rem, var(--max-page));
    margin-inline: auto;
  }

  .site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding-block: var(--space-4);
  }

  .hero {
    display: grid;
    gap: var(--space-6);
    align-items: center;
    padding-block: var(--space-7);
  }

  .hero__content {
    display: grid;
    gap: var(--space-5);
  }

  .hero__actions,
  .deliverable__layout,
  .fit,
  .cta,
  .site-footer {
    display: flex;
    gap: var(--space-4);
  }

  .hero__actions {
    flex-wrap: wrap;
  }

  .band,
  .deliverable,
  .cta {
    padding-block: var(--space-7);
  }

  .band--quiet {
    inline-size: 100%;
    max-inline-size: none;
    padding-inline: max(1rem, calc((100% - var(--max-page)) / 2));
    background: var(--color-surface);
    border-block: 0.0625rem solid var(--color-border);
  }

  .section-heading {
    display: grid;
    gap: var(--space-3);
    margin-block-end: var(--space-6);
  }

  .proof-grid {
    display: grid;
    gap: var(--space-4);
  }

  .deliverable__layout {
    flex-direction: column;
  }

  .fit {
    flex-direction: column;
    justify-content: space-between;
  }

  .cta {
    align-items: flex-start;
    justify-content: space-between;
    flex-direction: column;
    border-block-start: 0.0625rem solid var(--color-border);
  }

  .site-footer {
    justify-content: space-between;
    flex-direction: column;
    padding-block: var(--space-5);
    border-block-start: 0.0625rem solid var(--color-border);
    color: var(--color-fg-muted);
    font-size: var(--fs-sm);
  }

  @media (min-width: 48rem) {
    .hero {
      grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.82fr);
      padding-block: var(--space-8);
    }

    .proof-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .deliverable__layout {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
      align-items: start;
    }

    .fit,
    .cta,
    .site-footer {
      flex-direction: row;
      align-items: center;
    }
  }
}

@layer components {
  .skip-link {
    position: fixed;
    inset-block-start: var(--space-3);
    inset-inline-start: var(--space-3);
    z-index: 10;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    background: var(--color-fg);
    color: var(--color-surface);
    transform: translateY(-200%);
  }

  .skip-link:focus {
    transform: translateY(0);
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 750;
    text-decoration: none;
  }

  .brand__mark {
    display: grid;
    place-items: center;
    inline-size: 2.25rem;
    block-size: 2.25rem;
    border-radius: var(--radius-md);
    background: var(--color-fg);
    color: var(--color-surface);
    font-size: var(--fs-xs);
  }

  .brand__text {
    white-space: nowrap;
  }

  .nav {
    display: none;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-fg-muted);
    font-size: var(--fs-sm);
  }

  .nav a {
    text-decoration: none;
  }

  .nav a:hover {
    color: var(--color-fg);
  }

  .eyebrow {
    color: var(--color-accent-strong);
    font-size: var(--fs-xs);
    font-weight: 750;
    letter-spacing: 0;
    text-transform: uppercase;
  }

  .hero__lede {
    max-inline-size: 42rem;
    color: var(--color-fg-muted);
    font-size: var(--fs-md);
  }

  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-block-size: 2.75rem;
    padding: 0.7rem 1rem;
    border: 0.0625rem solid var(--color-border-strong);
    border-radius: var(--radius-md);
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
  }

  .button--primary {
    border-color: var(--color-accent-strong);
    background: var(--color-accent-strong);
    color: var(--color-surface);
  }

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

  .button--secondary {
    background: var(--color-surface);
  }

  .button--secondary:hover {
    border-color: var(--color-fg);
  }

  .audit-preview,
  .proof-card,
  .not-box,
  .report-cover,
  .report-sheet,
  .brief {
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
  }

  .audit-preview {
    overflow: clip;
    box-shadow: var(--shadow-soft);
  }

  .audit-preview__header {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-fg);
    color: var(--color-surface);
    font-size: var(--fs-xs);
    font-weight: 700;
  }

  .audit-preview__metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-block-end: 0.0625rem solid var(--color-border);
  }

  .audit-preview__metric-grid div {
    display: grid;
    gap: var(--space-1);
    min-block-size: 6rem;
    padding: var(--space-4);
    border-inline-end: 0.0625rem solid var(--color-border);
    border-block-end: 0.0625rem solid var(--color-border);
  }

  .audit-preview__metric-grid div:nth-child(2n) {
    border-inline-end: 0;
  }

  .audit-preview__metric-grid div:nth-last-child(-n + 2) {
    border-block-end: 0;
  }

  .audit-preview__metric-grid strong {
    font-size: var(--fs-xl);
    line-height: 1;
  }

  .audit-preview__metric-grid span {
    color: var(--color-fg-muted);
    font-size: var(--fs-sm);
  }

  .mini-table caption {
    padding: var(--space-3) var(--space-4) 0;
    color: var(--color-fg-muted);
    font-size: var(--fs-xs);
    font-weight: 700;
    text-align: start;
    text-transform: uppercase;
  }

  .mini-table th,
  .mini-table td {
    padding: var(--space-3) var(--space-4);
    border-block-end: 0.0625rem solid var(--color-border);
    font-size: var(--fs-xs);
  }

  .mini-table th {
    color: var(--color-fg-muted);
    font-weight: 700;
  }

  .mini-table tr:last-child td {
    border-block-end: 0;
  }

  .proof-card {
    padding: var(--space-5);
  }

  .proof-card__number {
    display: block;
    margin-block-end: var(--space-4);
    color: var(--color-accent-strong);
    font-size: 2.75rem;
    font-weight: 780;
    line-height: 1;
  }

  .proof-card p,
  .not-box p,
  .cta p,
  .sample-hero p,
  .report-cover p,
  .report-sheet p {
    color: var(--color-fg-muted);
  }

  .checklist {
    display: grid;
    gap: var(--space-3);
  }

  .checklist__item {
    display: grid;
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: var(--space-3);
    align-items: start;
    padding-block: var(--space-3);
    border-block-end: 0.0625rem solid var(--color-border);
  }

  .checklist__item span {
    color: var(--color-accent-strong);
    font-size: var(--fs-sm);
    font-weight: 750;
  }

  .not-box {
    padding: var(--space-5);
    background: var(--color-accent-soft);
  }

  .not-box h3 {
    margin-block-end: var(--space-3);
  }

  .pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    max-inline-size: 42rem;
    padding: 0;
    margin: 0;
    list-style: none;
  }

  .pill-list li {
    padding: var(--space-2) var(--space-3);
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    font-size: var(--fs-sm);
    font-weight: 650;
  }

  .sample {
    padding-block: var(--space-7);
  }

  .sample-hero,
  .report-cover {
    display: grid;
    gap: var(--space-4);
    margin-block-end: var(--space-6);
  }

  .sample-hero h1 {
    max-inline-size: 16ch;
  }

  .sample-hero p {
    max-inline-size: 46rem;
  }

  .report-cover {
    padding: var(--space-6);
    background:
      linear-gradient(135deg, var(--color-surface) 0%, var(--color-accent-soft) 100%);
    box-shadow: var(--shadow-soft);
  }

  .report-cover h1 {
    max-inline-size: 15ch;
  }

  .report-cover__content {
    display: grid;
    gap: var(--space-4);
  }

  .report-cover__content p {
    max-inline-size: 48rem;
    font-size: var(--fs-md);
  }

  .report-cover__meta {
    display: grid;
    gap: var(--space-3);
    margin: 0;
  }

  .report-cover__meta div {
    padding-block: var(--space-3);
    border-block-start: 0.0625rem solid var(--color-border);
  }

  .report-cover__meta dt {
    color: var(--color-fg-muted);
    font-size: var(--fs-xs);
    font-weight: 750;
    text-transform: uppercase;
  }

  .report-cover__meta dd {
    margin: var(--space-1) 0 0;
    font-weight: 750;
  }

  .report-sheet {
    display: grid;
    gap: var(--space-5);
    padding: var(--space-5);
    box-shadow: var(--shadow-soft);
  }

  .report-label {
    inline-size: fit-content;
    padding: var(--space-2) var(--space-3);
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface-muted);
    color: var(--color-fg-muted);
    font-size: var(--fs-xs);
    font-weight: 750;
    text-transform: uppercase;
  }

  .report-sheet h2 {
    max-inline-size: none;
    padding-block-start: var(--space-4);
    border-block-start: 0.0625rem solid var(--color-border);
    font-size: var(--fs-lg);
  }

  .report-sheet h2:first-of-type {
    padding-block-start: 0;
    border-block-start: 0;
  }

  .report-sheet__meta,
  .results-strip {
    display: grid;
    gap: var(--space-2);
  }

  .report-sheet__meta {
    color: var(--color-fg-muted);
    font-size: var(--fs-sm);
  }

  .results-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .results-strip div {
    display: grid;
    gap: var(--space-1);
    padding: var(--space-4);
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-muted);
  }

  .results-strip strong {
    font-size: var(--fs-xl);
    line-height: 1;
  }

  .results-strip span {
    color: var(--color-fg-muted);
    font-size: var(--fs-sm);
  }

  .decision-grid,
  .brief-grid,
  .watchlist,
  .source-list {
    display: grid;
    gap: var(--space-4);
  }

  .decision-grid article,
  .watchlist article,
  .source-list article {
    padding: var(--space-4);
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-muted);
  }

  .decision-grid h3,
  .watchlist h3,
  .source-list h3 {
    margin-block-end: var(--space-2);
  }

  .table-scroll {
    overflow-x: auto;
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-md);
  }

  .report-table {
    min-inline-size: 46rem;
  }

  .report-table--dense {
    min-inline-size: 74rem;
  }

  .report-table th,
  .report-table td {
    padding: var(--space-3);
    border-block-end: 0.0625rem solid var(--color-border);
    font-size: var(--fs-sm);
  }

  .report-table th {
    background: var(--color-surface-muted);
    color: var(--color-fg-muted);
  }

  .report-table tr:last-child td {
    border-block-end: 0;
  }

  .brief {
    padding: var(--space-5);
  }

  .brief h3,
  .brief h4 {
    margin-block-end: var(--space-4);
  }

  .brief--premium {
    display: grid;
    gap: var(--space-4);
  }

  .brief__header {
    display: grid;
    gap: var(--space-2);
  }

  .brief__header span {
    color: var(--color-accent-strong);
    font-size: var(--fs-xs);
    font-weight: 750;
    text-transform: uppercase;
  }

  .brief dl {
    display: grid;
    gap: var(--space-3);
    margin: 0;
  }

  .brief div {
    display: grid;
    gap: var(--space-1);
  }

  .brief dt {
    font-weight: 750;
  }

  .brief dd {
    margin: 0;
    color: var(--color-fg-muted);
  }

  .brief blockquote {
    margin: var(--space-5) 0 0;
    padding-inline-start: var(--space-4);
    border-inline-start: 0.25rem solid var(--color-accent);
    color: var(--color-fg-muted);
  }

  @media (min-width: 40rem) {
    .nav {
      display: flex;
    }

    .results-strip {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .decision-grid,
    .source-list {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .watchlist {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (min-width: 56rem) {
    .report-cover {
      grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.36fr);
      align-items: end;
    }

    .brief-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
  }

  @media (max-width: 47.9375rem) {
    .table-scroll {
      overflow-x: visible;
    }

    .report-table {
      min-inline-size: 0;
    }

    .report-table thead {
      position: absolute;
      inline-size: 1px;
      block-size: 1px;
      overflow: hidden;
      clip: rect(0 0 0 0);
      white-space: nowrap;
    }

    .report-table tbody,
    .report-table tr,
    .report-table td {
      display: block;
    }

    .report-table tr {
      padding: var(--space-3);
      border-block-end: 0.0625rem solid var(--color-border);
    }

    .report-table tr:last-child {
      border-block-end: 0;
    }

    .report-table td {
      padding: var(--space-2) 0;
      border-block-end: 0;
      font-size: var(--fs-sm);
    }

    .report-table td::before {
      display: block;
      margin-block-end: var(--space-1);
      color: var(--color-fg-muted);
      content: attr(data-label);
      font-size: var(--fs-xs);
      font-weight: 750;
    }
  }
}

@layer utilities {
  .table-scroll:focus-visible {
    outline-offset: var(--space-1);
  }
}