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

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

  html {
    scroll-behavior: smooth;
  }

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

  body {
    min-width: 320px;
  }

  a {
    color: inherit;
  }
}

@layer tokens {
  :root {
    --paper: #f7f6f2;
    --white: #ffffff;
    --ink: #111111;
    --anthracite: #252525;
    --graphite: #66635d;
    --line: #d8d6d0;
    --line-strong: #9c9991;
    --font-sans: "Poppins", "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --page-gutter: clamp(1rem, 4vw, 4rem);
    --section-space: clamp(4rem, 10vw, 9rem);
    --radius: 0.25rem;
  }
}

@layer base {
  body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
  }

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

  h1,
  h2,
  h3,
  h4 {
    font-weight: 500;
    line-height: 1.08;
    text-wrap: balance;
  }

  h1 {
    max-width: 12ch;
    font-size: clamp(3rem, 8vw, 7.5rem);
    letter-spacing: -0.055em;
  }

  h2 {
    font-size: clamp(2rem, 4vw, 4rem);
    letter-spacing: -0.04em;
  }

  h3,
  h4 {
    letter-spacing: -0.02em;
  }

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

@layer layout {
  .site-header,
  main > section,
  footer {
    padding-inline: var(--page-gutter);
  }

  .site-header {
    position: sticky;
    z-index: 10;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 5rem;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--paper) 92%, transparent);
    backdrop-filter: blur(12px);
  }

  .site-header nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 3vw, 2.5rem);
  }

  .site-header nav a,
  .text-link {
    text-decoration-thickness: 1px;
    text-underline-offset: 0.35em;
  }

  .hero {
    min-height: calc(100svh - 5rem);
    display: grid;
    align-content: center;
    gap: 1.5rem;
    padding-block: var(--section-space);
    border-bottom: 1px solid var(--line);
  }

  .live-time {
    width: min(100%, 92rem);
    margin-block: clamp(1rem, 3vw, 3rem);
  }

  #live-timestamp {
    display: block;
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: clamp(2.35rem, 8vw, 8rem);
    line-height: 0.95;
    letter-spacing: -0.075em;
    white-space: nowrap;
  }

  .time-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.25rem;
    color: var(--graphite);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.055em;
    text-transform: uppercase;
  }

  .minute-track {
    height: 1px;
    margin-top: 0.75rem;
    overflow: hidden;
    background: var(--line);
  }

  .minute-track span {
    display: block;
    width: var(--minute-progress, 0%);
    height: 100%;
    background: var(--ink);
    transition: width 0.3s linear;
  }

  .hero-copy {
    max-width: 43rem;
    font-size: clamp(1.2rem, 2vw, 1.65rem);
    line-height: 1.45;
  }

  .hero-copy.secondary {
    color: var(--graphite);
  }

  .text-link {
    width: fit-content;
    margin-top: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .register,
  .statement,
  .about,
  .contact {
    padding-block: var(--section-space);
    border-bottom: 1px solid var(--line);
  }

  .section-heading,
  .contact {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(16rem, 0.7fr);
    gap: clamp(2rem, 6vw, 7rem);
    align-items: end;
  }

  .about {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.7fr);
    gap: clamp(2rem, 6vw, 7rem);
    align-items: start;
  }

  .about-content {
    display: grid;
    gap: 2.5rem;
  }

  .section-note,
  .about-copy,
  .contact-copy {
    max-width: 38rem;
    color: var(--graphite);
  }

  .board {
    display: grid;
    grid-auto-columns: minmax(17rem, 1fr);
    grid-auto-flow: column;
    gap: 1px;
    margin-top: 4rem;
    overflow-x: auto;
    border: 1px solid var(--line-strong);
    background: var(--line-strong);
    scrollbar-color: var(--anthracite) var(--line);
  }

  .column {
    min-height: 32rem;
    padding: 1.25rem;
    background: var(--paper);
  }

  .column-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
  }

  .statement-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 6vw, 7rem);
    max-width: 72rem;
    margin-top: 3rem;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    line-height: 1.5;
  }

  .contact-copy {
    display: grid;
    gap: 1.25rem;
  }

  footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 10rem;
  }
}

@layer components {
  .skip-link {
    position: fixed;
    z-index: 100;
    top: 1rem;
    left: 1rem;
    translate: 0 -200%;
    padding: 0.7rem 1rem;
    background: var(--ink);
    color: var(--paper);
  }

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

  .identity {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1.2;
  }

  .identity span {
    font-weight: 500;
  }

  .identity small,
  .eyebrow,
  .column-header span,
  .card-meta,
  .research-card dt,
  .research-card dd,
  .footer-status {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.055em;
    text-transform: uppercase;
  }

  .identity small,
  .eyebrow,
  .column-header span,
  .section-note,
  .column-definition,
  .empty-state,
  .footer-status {
    color: var(--graphite);
  }

  .column-header h3 {
    font-size: 1rem;
    text-transform: uppercase;
  }

  .column-definition {
    min-height: 5.5rem;
    padding-block: 1rem;
    font-size: 0.85rem;
    line-height: 1.45;
  }

  .empty-state {
    display: grid;
    min-height: 13rem;
    place-items: center;
    border: 1px dashed var(--line);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-align: center;
    text-transform: uppercase;
  }

  .research-card {
    padding: 1.1rem;
    border: 1px solid var(--anthracite);
    background: var(--white);
  }

  .card-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 3rem;
    color: var(--graphite);
  }

  .research-card h4 {
    margin-bottom: 0.8rem;
    font-size: 1.65rem;
  }

  .research-card > p {
    color: var(--anthracite);
  }

  .research-card dl {
    display: grid;
    gap: 0.7rem;
    margin-top: 2.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
  }

  .research-card dl div {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 1rem;
  }

  .research-card dt {
    color: var(--graphite);
  }

  .research-card dd {
    color: var(--ink);
  }

  details {
    margin-top: 1.5rem;
    border-top: 1px solid var(--line);
  }

  summary {
    padding-block: 1rem;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  details p {
    padding-bottom: 0.5rem;
    color: var(--graphite);
    font-size: 0.9rem;
  }

  .portrait {
    width: 100%;
    max-width: 22rem;
    aspect-ratio: 4 / 5;
    justify-self: start;
    overflow: hidden;
    background: var(--line);
  }

  .portrait img {
    display: block;
    width: 100%;
    height: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    filter: grayscale(1) contrast(1.04);
    mix-blend-mode: multiply;
  }

  .about-copy {
    display: grid;
    gap: 1.25rem;
  }

  .language-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--graphite);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.055em;
  }

  .language-switch [aria-current="page"] {
    color: var(--ink);
  }

  .contact-link {
    width: fit-content;
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2vw, 1.35rem);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.35em;
  }
}

@layer utilities {
  @media (max-width: 760px) {
    .site-header nav {
      gap: 0.8rem;
    }

    .site-header nav > a:not(:first-child) {
      display: none;
    }

    .language-switch a {
      display: inline;
    }

    #live-timestamp {
      font-size: clamp(1.75rem, 10.5vw, 3.75rem);
    }

    .time-meta {
      font-size: 0.62rem;
    }

    .section-heading,
    .about,
    .contact,
    .statement-grid {
      grid-template-columns: 1fr;
    }


    .section-heading,
    .about,
    .contact {
      align-items: start;
    }

    .board {
      grid-auto-columns: minmax(82vw, 1fr);
    }

    footer {
      align-items: flex-start;
      flex-direction: column;
      justify-content: center;
    }
  }

  @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;
    }
  }
}