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

@layer tokens {
  :root {
    --bg-primary: #F7F7F2;
    --bg-surface: #FFFFFF;
    --bg-subtle: #EFEFE8;
    --text-primary: #1D2835;
    --text-secondary: #3E4C59;
    --color-navy: #203E58;
    --color-navy-hover: #172E42;
    --color-teal: #2A6F6B;
    --color-teal-subtle: #E6F0EF;
    --border-color: #D5D7D0;
    --border-strong: #8A949E;
    --focus-ring: #203E58;

    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --max-width: 68rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 3.5rem;
    --space-2xl: 5rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.625rem;
    --radius-lg: 0.875rem;
  }

  @media (forced-colors: active) {
    :root {
      --border-color: CanvasText;
      --border-strong: CanvasText;
      --focus-ring: Highlight;
    }
  }
}

@layer reset {
  html {
    box-sizing: border-box;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }
  }

  body, h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote {
    margin: 0;
  }

  ul, ol {
    padding: 0;
  }

  img {
    display: block;
    max-inline-size: 100%;
    block-size: auto;
  }
}

@layer base {
  body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.65;
    overflow-x: clip;
  }

  h1, h2, h3 {
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.015em;
    font-weight: 700;
  }

  h1 {
    font-size: clamp(2.125rem, 4vw + 1rem, 3.25rem);
  }

  h2 {
    font-size: clamp(1.5rem, 2vw + 0.75rem, 2rem);
  }

  h3 {
    font-size: 1.2rem;
    line-height: 1.35;
  }

  a {
    color: var(--color-navy);
    text-underline-offset: 0.2em;
    text-decoration-thickness: 1px;
  }

  a:hover {
    color: var(--color-teal);
    text-decoration-thickness: 2px;
  }

  :where(a:any-link, button, [tabindex="-1"]):focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
    border-radius: 2px;
  }

  section[id] {
    scroll-margin-block-start: 5.5rem;
  }
}

@layer layout {
  .container {
    box-sizing: border-box;
    inline-size: min(100% - 2.5rem, var(--max-width));
    margin-inline: auto;
  }

  .section {
    padding-block: var(--space-xl);
  }

  .section-alt {
    background-color: var(--bg-subtle);
    border-block: 1px solid var(--border-color);
  }

  .section-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-lg);
  }

  .section-grid > *,
  .project-card > *,
  .edu-credentials-grid > *,
  .contact-card > * {
    min-inline-size: 0;
  }

  @media (min-width: 52rem) {
    .section {
      padding-block: var(--space-2xl);
    }

    .section-grid {
      grid-template-columns: 16rem minmax(0, 1fr);
      gap: var(--space-xl);
      align-items: start;
    }
  }
}

@layer components {
  /* Header & Navigation */
  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 20;
    background-color: rgba(247, 247, 242, 0.96);
    backdrop-filter: blur(8px);
    border-block-end: 1px solid var(--border-color);
  }

  .header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm) var(--space-md);
    padding-block: 0.875rem;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.0625rem;
    min-block-size: 2.5rem;
  }

  .brand:hover {
    color: var(--color-navy);
  }

  .brand-monogram {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 2.25rem;
    block-size: 2.25rem;
    background-color: var(--color-navy);
    color: #FFFFFF;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    border-radius: var(--radius-sm);
  }

  .site-nav {
    flex: 1 1 auto;
    display: flex;
    justify-content: flex-start;
  }

  @media (min-width: 48rem) {
    .site-nav {
      justify-content: flex-end;
    }
  }

  .nav-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 0.875rem;
  }

  .nav-list a:not(.btn) {
    display: inline-flex;
    align-items: center;
    min-block-size: 2.25rem;
    padding-inline: 0.375rem;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
  }

  .nav-list a:not(.btn):hover {
    color: var(--color-teal);
    text-decoration: underline;
  }

  /* Buttons */
  .btn {
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-block-size: 2.75rem;
    padding-block: 0.5rem;
    padding-inline: 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.25;
    text-decoration: none;
    border: 1.5px solid transparent;
    cursor: pointer;
  }

  .btn-primary {
    background-color: var(--color-navy);
    color: #FFFFFF;
    border-color: var(--color-navy);
  }

  .btn-primary:hover {
    background-color: var(--color-navy-hover);
    border-color: var(--color-navy-hover);
    color: #FFFFFF;
    text-decoration: none;
  }

  .btn-secondary {
    background-color: var(--bg-surface);
    color: var(--color-navy);
    border-color: var(--color-navy);
  }

  .btn-secondary:hover {
    background-color: var(--color-teal-subtle);
    border-color: var(--color-teal);
    color: var(--color-navy-hover);
    text-decoration: none;
  }

  .btn-nav {
    min-block-size: 2.25rem;
    padding-block: 0.375rem;
    padding-inline: 0.875rem;
    font-size: 0.875rem;
    background-color: var(--color-navy);
    color: #FFFFFF;
    border-color: var(--color-navy);
  }

  .btn-nav:hover {
    background-color: var(--color-teal);
    border-color: var(--color-teal);
    color: #FFFFFF;
    text-decoration: none;
  }

  /* Hero */
  .hero {
    padding-block-start: clamp(1.875rem, 4.25vw, 3.375rem);
    padding-block-end: clamp(1.875rem, 3.75vw, 3rem);
  }

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

  .eyebrow,
  .section-kicker {
    color: var(--color-teal);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-block-end: 0.5rem;
  }

  .hero-positioning {
    font-size: clamp(1.25rem, 2vw + 0.5rem, 1.625rem);
    color: var(--color-navy);
    font-weight: 600;
    margin-block-start: 0.5rem;
    margin-block-end: 1.25rem;
    line-height: 1.35;
  }

  .hero-intro {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-block-end: 0.875rem;
  }

  .hero-supporting {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-block-end: 1.75rem;
  }

  .hero-actions,
  .project-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
  }

  /* Section Headers */
  .section-header {
    margin-block-end: var(--space-lg);
  }

  .expertise-summary {
    margin-block-start: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.55;
  }

  /* Featured Project Card */
  .project-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-lg);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: clamp(1.25rem, 3vw, 2.25rem);
    box-shadow: 0 2px 10px rgba(29, 40, 53, 0.04);
  }

  @media (min-width: 56rem) {
    .project-card {
      grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
      align-items: center;
      gap: var(--space-xl);
    }
  }

  .project-meta {
    margin-block-end: 0.75rem;
  }

  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding-block: 0.25rem;
    padding-inline: 0.75rem;
    background-color: var(--color-teal-subtle);
    color: var(--text-primary);
    border: 1px solid var(--color-teal);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
  }

  .status-dot {
    inline-size: 0.5rem;
    block-size: 0.5rem;
    border-radius: 50%;
    background-color: var(--color-teal);
  }

  .project-card h3 {
    font-size: clamp(1.375rem, 2vw, 1.75rem);
    margin-block-end: 0.75rem;
  }

  .project-description {
    color: var(--text-secondary);
    margin-block-end: 1.5rem;
  }

  .project-media {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-primary);
  }

  .project-media figcaption,
  .case-study-figure figcaption {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background-color: var(--bg-surface);
    border-block-start: 1px solid var(--border-color);
  }

  /* Prose / About */
  .prose p:not(:last-child) {
    margin-block-end: 1.125rem;
  }

  .personal-note {
    padding-inline-start: 1rem;
    border-inline-start: 3px solid var(--color-teal);
    color: var(--text-secondary);
  }

  /* Experience Timeline */
  .timeline {
    display: grid;
    gap: 1.5rem;
  }

  .role-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.375rem 1.5rem;
  }

  .role-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.25rem 1rem;
    margin-block-end: 0.625rem;
  }

  .role-subtitle {
    color: var(--color-teal);
    font-weight: 600;
    font-size: 0.95rem;
    margin-block-start: 0.2rem;
  }

  .role-dates {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
  }

  .role-description {
    color: var(--text-secondary);
  }

  .earlier-experience,
  .tools-panel {
    margin-block-start: 1.5rem;
    padding: 1.25rem 1.5rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
  }

  .earlier-experience h3,
  .tools-panel h3 {
    font-size: 1.05rem;
    margin-block-end: 0.4rem;
  }

  .earlier-experience p,
  .tools-line {
    color: var(--text-secondary);
    font-size: 0.975rem;
  }

  /* Education & Credentials */
  .edu-credentials-grid {
    display: grid;
    gap: var(--space-lg);
  }

  @media (min-width: 44rem) {
    .edu-credentials-grid {
      grid-template-columns: 1.35fr 1fr;
      gap: var(--space-xl);
    }
  }

  .subheading-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-teal);
    margin-block-end: 1rem;
    padding-block-end: 0.5rem;
    border-block-end: 1px solid var(--border-color);
  }

  .edu-list {
    list-style: none;
    display: grid;
    gap: 1.25rem;
  }

  .edu-school {
    font-weight: 700;
    color: var(--text-primary);
  }

  .edu-degree {
    color: var(--text-primary);
    font-weight: 500;
  }

  .edu-status {
    font-size: 0.925rem;
    color: var(--text-secondary);
  }

  .credential-list {
    padding-inline-start: 1.25rem;
    display: grid;
    gap: 0.625rem;
  }

  .credential-list li {
    color: var(--text-primary);
    font-weight: 500;
  }

  /* Contact Section */
  .section-contact {
    background-color: var(--bg-subtle);
    border-block-start: 1px solid var(--border-color);
  }

  .contact-card {
    display: grid;
    gap: var(--space-lg);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 3.5vw, 2.5rem);
  }

  @media (min-width: 52rem) {
    .contact-card {
      grid-template-columns: 1.3fr 1fr;
      align-items: center;
      gap: var(--space-xl);
    }
  }

  .contact-lead {
    color: var(--text-secondary);
    margin-block-start: 0.5rem;
    margin-block-end: 1.25rem;
  }

  .contact-details {
    display: grid;
    gap: 0.625rem;
  }

  .contact-detail-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .contact-detail-row dt {
    font-weight: 700;
    min-inline-size: 5.5rem;
    color: var(--text-primary);
  }

  .contact-detail-row dd {
    color: var(--text-secondary);
  }

  .contact-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .text-link {
    text-align: center;
    font-size: 0.925rem;
    font-weight: 600;
    padding-block: 0.375rem;
  }

  /* Footer */
  .site-footer {
    padding-block: 2rem;
    border-block-start: 1px solid var(--border-color);
    background-color: var(--bg-primary);
  }

  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem 1.5rem;
    font-size: 0.925rem;
    color: var(--text-secondary);
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
  }

  /* Case Study Page */
  .case-study-hero {
    padding-block-start: 2.25rem;
    padding-block-end: 2rem;
  }

  .breadcrumb {
    margin-block-end: 1rem;
    font-size: 0.95rem;
    font-weight: 600;
  }

  .case-study-subtitle {
    font-size: clamp(1.15rem, 1.5vw + 0.5rem, 1.4rem);
    color: var(--text-secondary);
    max-inline-size: 44rem;
    margin-block-start: 0.625rem;
    margin-block-end: 1.5rem;
  }

  .case-study-media-wrap {
    margin-block-end: var(--space-xl);
  }

  .case-study-figure {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--bg-surface);
    box-shadow: 0 2px 12px rgba(29, 40, 53, 0.05);
  }

  .case-study-body {
    max-inline-size: 48rem;
    margin-inline: 0;
    padding-block-end: var(--space-2xl);
  }

  @media (min-width: 52rem) {
    .case-study-body {
      margin-inline: auto;
    }
  }

  .case-section {
    padding-block: 1.5rem;
    border-block-start: 1px solid var(--border-color);
  }

  .case-section h2 {
    font-size: 1.4rem;
    margin-block-end: 0.75rem;
  }

  .case-section p:not(:last-child) {
    margin-block-end: 0.875rem;
  }

  .decision-list,
  .tools-list {
    padding-inline-start: 1.25rem;
    display: grid;
    gap: 0.875rem;
  }

  .case-study-footer {
    margin-block-start: 1.5rem;
    padding: 1.75rem;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
  }

  .case-study-footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem 1.5rem;
  }

  .case-study-footer h2 {
    font-size: 1.25rem;
    margin-block-end: 0.25rem;
  }
}

@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;
  }

  .skip-link:is(:focus, :focus-visible) {
    position: fixed;
    inset-block-start: 0.75rem;
    inset-inline-start: 0.75rem;
    z-index: 100;
    padding: 0.625rem 1rem;
    background-color: var(--color-navy);
    color: #FFFFFF;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-decoration: none;
  }
}

@layer print {
  @media print {
    @page {
      margin: 0.55in;
    }

    body {
      background-color: #FFFFFF;
      color: #111827;
      font-size: 10pt;
      line-height: 1.45;
      overflow: visible;
    }

    /* Hide sticky header/navigation and in-page action buttons */
    .site-header,
    .skip-link,
    .hero-actions,
    .project-actions,
    .contact-actions,
    .breadcrumb {
      display: none !important;
    }

    .container {
      inline-size: 100%;
      max-inline-size: 100%;
      margin-inline: 0;
    }

    .section,
    .hero,
    .case-study-hero {
      padding-block: 0.875rem;
    }

    .section-header {
      margin-block-end: 0.75rem;
    }

    .section-alt,
    .section-contact {
      background-color: transparent;
      border-block: none;
      border-block-start: 1px solid #9CA3AF;
    }

    .section-grid,
    .contact-card {
      grid-template-columns: 1fr;
      gap: 0.625rem;
    }

    .project-card {
      grid-template-columns: 1.15fr 1fr;
      align-items: start;
      gap: 1.25rem;
    }

    .edu-credentials-grid {
      grid-template-columns: 1.35fr 1fr;
      gap: 1.5rem;
    }

    .project-card,
    .role-item,
    .tools-panel,
    .earlier-experience,
    .contact-card,
    .case-study-figure,
    .case-study-footer {
      background-color: #FFFFFF;
      border: 1px solid #9CA3AF;
      box-shadow: none;
      padding: 0.75rem 1rem;
    }

    .timeline {
      gap: 0.875rem;
    }

    .earlier-experience,
    .tools-panel {
      margin-block-start: 0.875rem;
    }

    .project-media img {
      inline-size: 100%;
      block-size: auto;
    }

    .case-study-figure img {
      max-block-size: 2.75in;
      inline-size: auto;
      margin-inline: auto;
    }

    /* Keep text and links crisp when background graphics are disabled */
    h1, h2, h3,
    .hero-positioning,
    .role-subtitle,
    .eyebrow,
    .section-kicker,
    .subheading-label,
    .edu-school,
    .edu-degree,
    .credential-list li,
    .contact-detail-row dt {
      color: #111827;
    }

    p,
    .hero-intro,
    .hero-supporting,
    .project-description,
    .role-description,
    .role-dates,
    .tools-line,
    .edu-status,
    .contact-lead,
    .contact-detail-row dd,
    figcaption {
      color: #1F2937;
    }

    a,
    .btn {
      color: #111827 !important;
      background-color: transparent !important;
      text-decoration: underline;
    }

    .status-badge {
      background-color: transparent;
      color: #111827;
      border: 1px solid #4B5563;
    }

    .status-dot {
      display: none;
    }

    /* Prevent orphaned headings and split experience/education cards */
    h1, h2, h3,
    .eyebrow,
    .section-kicker,
    .section-header,
    .section-label-col {
      break-after: avoid;
      page-break-after: avoid;
    }

    .section-header,
    .section-label-col,
    .prose,
    .role-item,
    .tools-panel,
    .earlier-experience,
    .project-card,
    .edu-credentials-grid,
    .edu-item,
    .credentials-block,
    .contact-card,
    .case-section {
      break-inside: avoid;
      page-break-inside: avoid;
    }

    .site-footer {
      padding-block: 0.75rem;
      border-block-start: 1px solid #9CA3AF;
      background-color: transparent;
    }
  }
}