@layer reset, base, layout, components, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, p { margin: 0; }
  body { min-width: 320px; }
  a { color: inherit; }
}

@layer base {
  :root {
    --ink: #121210;
    --ink-soft: #191917;
    --paper: #efede7;
    --paper-bright: #f6f4ef;
    --text-on-dark: #efede7;
    --muted-on-dark: #aaa79f;
    --muted-on-light: #68645b;
    --line-dark: rgba(239, 237, 231, 0.17);
    --line-light: rgba(18, 18, 16, 0.16);
    --accent: #d8fa67;
    --max: 1360px;
    --gutter: clamp(1.25rem, 3vw, 3.5rem);
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  }

  body {
    background: var(--ink);
    color: var(--text-on-dark);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.48;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  ::selection { background: var(--accent); color: var(--ink); }

  h1, h2, h3 {
    font-weight: 500;
    letter-spacing: -0.028em;
  }

  h1, h2 { font-family: var(--serif); }

  h1 {
    max-width: 15ch;
    font-size: clamp(2.7rem, 5.4vw, 5.9rem);
    line-height: 0.98;
  }

  h2 {
    max-width: 20ch;
    font-size: clamp(1.85rem, 3.35vw, 3.8rem);
    line-height: 1.03;
  }

  h3 {
    font-size: clamp(1.18rem, 1.45vw, 1.62rem);
    line-height: 1.12;
  }

  p { max-width: 68ch; }

  a {
    text-decoration-thickness: 1px;
    text-underline-offset: 0.22em;
  }
}

@layer layout {
  .site-header, .site-footer, section {
    width: min(100%, var(--max));
    margin-inline: auto;
  }

  .site-header {
    min-height: 72px;
    padding: 0.9rem var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    border-bottom: 1px solid var(--line-dark);
    background: rgba(18, 18, 16, 0.94);
    backdrop-filter: blur(14px);
    position: sticky;
    top: 0;
    z-index: 20;
  }

  .dark-section { background: var(--ink); color: var(--text-on-dark); }
  .light-section { background: var(--paper); color: var(--ink); }

  .hero {
    min-height: min(700px, calc(100svh - 72px));
    padding: clamp(3rem, 5vw, 5rem) var(--gutter) 2.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 3.5rem;
    border-bottom: 1px solid var(--line-dark);
  }

  .hero-main {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.55fr);
    gap: clamp(2.5rem, 5vw, 5.5rem);
    align-items: end;
  }

  .hero-side {
    display: grid;
    gap: 2rem;
  }

  .leadership, .principles, .range, .contact, .evidence {
    padding: clamp(3.75rem, 6vw, 6.25rem) var(--gutter);
    display: grid;
    grid-template-columns: minmax(7rem, 0.22fr) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 5rem);
  }

  .leadership, .principles, .range {
    border-bottom: 1px solid var(--line-dark);
  }

  .section-content {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(17rem, 0.6fr);
    gap: clamp(2.5rem, 5vw, 5.5rem);
  }

  .numbers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--line-dark);
  }

  .metric {
    min-height: 160px;
    padding: 1.5rem var(--gutter);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid var(--line-dark);
  }

  .metric:last-child { border-right: 0; }

  .principle-list { border-top: 1px solid var(--line-dark); }

  .principle {
    display: grid;
    grid-template-columns: minmax(15rem, 0.75fr) minmax(15rem, 1fr);
    gap: 2rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .evidence { border-bottom: 1px solid var(--line-light); }

  .evidence-content {
    display: grid;
    gap: clamp(2.5rem, 4vw, 4rem);
  }

  .evidence-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(17rem, 0.6fr);
    gap: 3rem;
    align-items: end;
  }

  .case-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--line-light);
    border-left: 1px solid var(--line-light);
  }

  .case-card {
    min-height: 300px;
    padding: clamp(1.35rem, 2.25vw, 2rem);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--line-light);
    border-bottom: 1px solid var(--line-light);
    transition: background-color 160ms ease;
  }

  .case-card:hover { background: var(--paper-bright); }

  .range-content {
    display: grid;
    gap: clamp(3rem, 5vw, 5rem);
  }

  .range-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .contact {
    min-height: 520px;
    align-items: start;
  }

  .contact-content {
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 3rem;
  }

  .site-footer {
    padding: 1.25rem var(--gutter) 1.6rem;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    color: var(--muted-on-dark);
    border-top: 1px solid var(--line-dark);
    font-size: 0.82rem;
  }
}

@layer components {
  .skip-link {
    position: fixed;
    left: 1rem;
    top: 1rem;
    z-index: 100;
    padding: 0.7rem 0.9rem;
    background: var(--accent);
    color: var(--ink);
    transform: translateY(-180%);
  }

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

  .identity {
    display: inline-flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1.08;
  }

  .identity span { font-weight: 650; }

  .identity small {
    margin-top: 0.25rem;
    color: var(--muted-on-dark);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
  }

  .site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(1rem, 2.2vw, 2rem);
    font-size: 0.82rem;
  }

  .site-nav a {
    text-decoration: none;
    color: var(--muted-on-dark);
  }

  .site-nav a:hover, .site-nav a:focus-visible { color: var(--text-on-dark); }

  .site-nav .portfolio-switch {
    padding: 0.58rem 0.78rem;
    border: 1px solid var(--line-dark);
    border-radius: 0.4rem;
    color: var(--text-on-dark);
  }

  .site-nav .portfolio-switch:hover,
  .site-nav .portfolio-switch:focus-visible {
    background: var(--text-on-dark);
    color: var(--ink);
  }

  .eyebrow, .section-label, .case-meta, .case-status, .contact-kicker {
    font-size: 0.69rem;
    letter-spacing: 0.115em;
    text-transform: uppercase;
  }

  .eyebrow { color: var(--muted-on-dark); }

  .hero-side > p {
    color: var(--muted-on-dark);
    font-size: clamp(1rem, 1.2vw, 1.22rem);
    line-height: 1.42;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1rem;
    border: 1px solid currentColor;
    border-radius: 0.4rem;
    text-decoration: none;
    font-size: 0.9rem;
  }

  .button-light { background: var(--text-on-dark); color: var(--ink); }

  .button-light:hover, .button-light:focus-visible {
    background: var(--accent);
    border-color: var(--accent);
  }

  .text-link { color: var(--muted-on-dark); font-size: 0.9rem; }
  .text-link:hover, .text-link:focus-visible { color: var(--text-on-dark); }

  .section-label {
    display: flex;
    gap: 0.8rem;
    color: var(--muted-on-dark);
  }

  .light-section .section-label { color: var(--muted-on-light); }

  .leadership-copy {
    display: grid;
    gap: 1.35rem;
    color: var(--muted-on-dark);
    font-size: clamp(1rem, 1.12vw, 1.16rem);
  }

  .metric strong {
    font-family: var(--serif);
    font-size: clamp(1.8rem, 2.65vw, 3.25rem);
    font-weight: 500;
    letter-spacing: -0.035em;
  }

  .metric span {
    max-width: 20ch;
    color: var(--muted-on-dark);
    font-size: 0.82rem;
  }

  .principle h3 { font-family: var(--serif); }

  .principle p {
    max-width: 43ch;
    color: var(--muted-on-dark);
    font-size: 0.95rem;
  }

  .evidence-heading > p {
    color: var(--muted-on-light);
    font-size: 0.98rem;
  }

  .case-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    color: var(--muted-on-light);
  }

  .case-card h3 {
    max-width: 20ch;
    margin-top: 2.5rem;
    font-family: var(--serif);
  }

  .case-card > p {
    max-width: 42ch;
    margin-top: 1rem;
    color: var(--muted-on-light);
    font-size: 0.94rem;
  }

  .case-status {
    margin-top: auto;
    padding-top: 1.75rem;
    color: var(--muted-on-light);
  }

  .range-list span {
    padding: 0.58rem 0.82rem;
    border: 1px solid var(--line-dark);
    border-radius: 999px;
    color: var(--muted-on-dark);
    font-size: 0.84rem;
  }

  .contact-kicker { color: var(--accent); }
  .contact-content h2 { max-width: 16ch; }

  .contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
  }

  .contact-links a { font-size: clamp(0.95rem, 1.1vw, 1.08rem); }

  a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
  }
}

@layer responsive {
  @media (max-width: 980px) {
    .site-header { align-items: flex-start; }
    .site-nav > a:not(.portfolio-switch) { display: none; }

    .hero-main,
    .section-content,
    .evidence-heading {
      grid-template-columns: 1fr;
    }

    .hero-main { align-items: start; }
    .hero-side { max-width: 38rem; }

    .numbers { grid-template-columns: repeat(2, 1fr); }
    .metric:nth-child(2) { border-right: 0; }
    .metric:nth-child(-n + 2) { border-bottom: 1px solid var(--line-dark); }

    .leadership, .principles, .range, .contact, .evidence {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 680px) {
    .site-header { min-height: 66px; }
    .identity small { display: none; }

    .site-nav .portfolio-switch {
      padding: 0.48rem 0.65rem;
      font-size: 0.74rem;
    }

    .hero {
      min-height: auto;
      padding-top: 2.5rem;
      padding-bottom: 2.5rem;
    }

    h1 { font-size: clamp(2.45rem, 11vw, 4rem); }

    .numbers, .case-grid { grid-template-columns: 1fr; }

    .metric {
      min-height: 138px;
      border-right: 0;
      border-bottom: 1px solid var(--line-dark);
    }

    .principle {
      grid-template-columns: 1fr;
      gap: 0.55rem;
    }

    .case-card { min-height: 275px; }

    .case-meta {
      flex-direction: column;
      gap: 0.3rem;
    }

    .contact { min-height: 460px; }

    .site-footer {
      flex-direction: column;
      gap: 0.3rem;
    }
  }

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

    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
}


/* Portrait and writing additions */
.principles-content {
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
  gap: clamp(2.25rem, 5vw, 5rem);
  align-items: start;
}

.leadership-portrait {
  margin: 0;
  position: sticky;
  top: 104px;
}

.leadership-portrait img {
  width: min(100%, 420px);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  border-radius: 0.55rem;
  filter: saturate(0.92) contrast(1.02);
}

.leadership-portrait figcaption {
  max-width: 38ch;
  margin-top: 1rem;
  color: var(--muted-on-dark);
  font-size: 0.88rem;
  line-height: 1.5;
}

.writing {
  padding: clamp(3.75rem, 6vw, 6.25rem) var(--gutter);
  display: grid;
  grid-template-columns: minmax(7rem, 0.22fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 5rem);
  border-bottom: 1px solid var(--line-light);
}

.writing-content {
  display: grid;
  gap: clamp(2.5rem, 4vw, 4rem);
}

.writing-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(17rem, 0.6fr);
  gap: 3rem;
  align-items: end;
}

.writing-heading > p {
  color: var(--muted-on-light);
  font-size: 0.98rem;
}

.writing-list {
  border-top: 1px solid var(--line-light);
}

.writing-item {
  display: grid;
  grid-template-columns: minmax(14rem, 0.7fr) minmax(16rem, 1fr);
  gap: 2rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line-light);
}

.writing-item h3 {
  margin-top: 0.25rem;
  font-family: var(--serif);
}

.writing-item > p {
  max-width: 46ch;
  color: var(--muted-on-light);
  font-size: 0.95rem;
}

.writing-type {
  color: var(--muted-on-light);
  font-size: 0.67rem;
  letter-spacing: 0.115em;
  text-transform: uppercase;
}

.writing-link {
  justify-self: start;
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .principles-content,
  .writing-heading {
    grid-template-columns: 1fr;
  }

  .leadership-portrait {
    position: static;
    display: grid;
    grid-template-columns: minmax(220px, 0.5fr) minmax(16rem, 1fr);
    gap: 1.5rem;
    align-items: end;
  }

  .leadership-portrait img {
    width: 100%;
    max-width: 360px;
  }

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

@media (max-width: 680px) {
  .leadership-portrait {
    grid-template-columns: 1fr;
  }

  .leadership-portrait img {
    max-width: 100%;
  }

  .writing-item {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
}


/* Compact leadership hierarchy: headings are a sparkline bump, not a billboard. */
h1 {
  max-width: 22ch;
  font-size: clamp(2rem, 3.15vw, 3.35rem);
  line-height: 1.03;
}

h2 {
  max-width: 26ch;
  font-size: clamp(1.5rem, 2.05vw, 2.15rem);
  line-height: 1.09;
}

h3 {
  font-size: clamp(1.06rem, 1.2vw, 1.28rem);
  line-height: 1.2;
}

.hero {
  min-height: auto;
  padding-top: clamp(2.5rem, 4vw, 4rem);
  padding-bottom: clamp(2.5rem, 4vw, 4rem);
  gap: 2.5rem;
}

.leadership,
.principles,
.range,
.contact,
.evidence,
.writing {
  padding-top: clamp(3rem, 4.5vw, 4.75rem);
  padding-bottom: clamp(3rem, 4.5vw, 4.75rem);
}

.metric {
  min-height: 132px;
}

.metric strong {
  font-size: clamp(1.5rem, 2vw, 2.2rem);
}

.case-card-link {
  color: var(--ink);
  text-decoration: none;
}

.case-card-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: -5px;
}

@media (max-width: 680px) {
  h1 { font-size: clamp(1.85rem, 8vw, 2.55rem); }
  h2 { font-size: clamp(1.38rem, 6vw, 1.8rem); }
}