/* ── Faces ─────────────────────────────────────────────── */

@font-face {
  font-family: "Archivo";
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/archivo-400.woff2") format("woff2");
}
@font-face {
  font-family: "Archivo";
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/archivo-500.woff2") format("woff2");
}
@font-face {
  font-family: "Archivo Expanded";
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/archivo-expanded-700.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/plexmono-400.woff2") format("woff2");
}

/* Metric-matched fallbacks: text lays out on webfont metrics before swap */
@font-face {
  font-family: "Archivo-fb";
  font-weight: 400 500;
  src: local("Arial");
  size-adjust: 98.62%;
  ascent-override: 89.03%;
  descent-override: 21.29%;
  line-gap-override: 0%;
}
@font-face {
  font-family: "ArchivoExp-fb";
  font-weight: 700;
  src: local("Arial Bold"), local("Arial-BoldMT");
  size-adjust: 124.87%;
  ascent-override: 70.32%;
  descent-override: 16.82%;
  line-gap-override: 0%;
}
@font-face {
  font-family: "PlexMono-fb";
  src: local("Courier New"), local("CourierNewPSMT");
  size-adjust: 99.98%;
  ascent-override: 102.52%;
  descent-override: 27.5%;
  line-gap-override: 0%;
}

@layer reset, base, layout, components, motion, print;

/* ── Reset ─────────────────────────────────────────────── */

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
  }
  ol[class],
  ul[class] {
    padding: 0;
    list-style: none;
  }
  button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
  }
  svg {
    display: block;
  }
}

/* ── Tokens ────────────────────────────────────────────── */

:root {
  color-scheme: light;
  --ground: #f3f5f6;
  --ink: #171a1e;
  --muted: #5a6470;
  --line: #d9dee1;
  --accent: #b03d00;

  --sans: "Archivo", "Archivo-fb", system-ui, Arial, sans-serif;
  --disp: "Archivo Expanded", "ArchivoExp-fb", Arial, sans-serif;
  --mono: "IBM Plex Mono", "PlexMono-fb", ui-monospace, "SF Mono", Consolas, monospace;

  --pad: max(clamp(1.25rem, 5vw, 3rem), calc((100% - 66rem) / 2));
}

[data-theme="dark"] {
  color-scheme: dark;
  --ground: #14171b;
  --ink: #e6e9ea;
  --muted: #8b939c;
  --line: #2a2f35;
  --accent: #ff8a50;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ground: #14171b;
    --ink: #e6e9ea;
    --muted: #8b939c;
    --line: #2a2f35;
    --accent: #ff8a50;
  }
}

/* ── Base ──────────────────────────────────────────────── */

@layer base {
  html {
    scroll-padding-top: 1.5rem;
  }
  @media (prefers-reduced-motion: no-preference) {
    html {
      scroll-behavior: smooth;
    }
  }
  body {
    font: 400 1.0625rem/1.65 var(--sans);
    font-synthesis: none;
    background: var(--ground);
    color: var(--ink);
    transition: background-color 0.25s, color 0.25s;
  }
  ::selection {
    background: var(--accent);
    color: var(--ground);
  }
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 1px;
  }
  a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
    text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
    transition: text-decoration-color 0.18s;
  }
  a:hover {
    text-decoration-color: var(--accent);
  }
  .skip {
    position: absolute;
    left: -100vw;
    top: 0;
  }
  .skip:focus {
    left: 0;
    z-index: 10;
    padding: 0.75rem 1.25rem;
    background: var(--accent);
    color: var(--ground);
    font-family: var(--mono);
    font-size: 0.875rem;
    text-decoration: none;
  }
}

/* ── Layout ────────────────────────────────────────────── */

@layer layout {
  .site-head,
  .hero,
  .section,
  .colophon,
  .lost {
    padding-inline: var(--pad);
  }

  .site-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 1.25rem;
    padding-block: 1.1rem;
    border-bottom: 1px solid var(--line);
    font-family: var(--mono);
    font-size: 0.8125rem;
  }
  .wordmark {
    white-space: nowrap;
    letter-spacing: 0.04em;
    color: var(--ink);
    text-decoration: none;
  }
  .wordmark:hover {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.25em;
    text-decoration-color: var(--muted);
  }
  .site-head nav {
    margin-left: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
  }
  @media (max-width: 39.99em) {
    .site-head nav {
      order: 3;
      flex-basis: 100%;
      margin-left: -0.375rem;
      gap: 0;
    }
    .site-head nav a {
      padding-inline: 0.375rem;
      font-size: 0.75rem;
    }
    #theme-toggle {
      margin-left: auto;
    }
  }
  .site-head nav a {
    color: var(--muted);
    text-decoration: none;
    text-transform: lowercase;
    padding: 0.5rem;
  }
  .site-head nav a:hover {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.25em;
  }
  #theme-toggle {
    color: var(--muted);
    padding: 0.5rem;
  }
  #theme-toggle:hover {
    color: var(--ink);
  }

  .hero {
    padding-block: clamp(4.5rem, 13vh, 8.5rem) clamp(4rem, 10vh, 7rem);
  }
  .name {
    font-family: var(--disp);
    font-weight: 700;
    font-size: clamp(2.75rem, 12.5vw, 9.5rem);
    line-height: 0.95;
    letter-spacing: -0.01em;
    text-transform: uppercase;
  }
  .name span {
    display: block;
  }
  .standfirst {
    margin-top: clamp(2rem, 5vh, 3rem);
    font-size: clamp(1.1875rem, 2.6vw, 1.4375rem);
    line-height: 1.5;
    max-width: 36ch;
    text-wrap: pretty;
  }
  .links {
    margin-top: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.75rem;
    font-family: var(--mono);
    font-size: 0.875rem;
  }

  .section {
    border-top: 1px solid var(--line);
    padding-block: clamp(3.5rem, 8vh, 5.5rem);
  }
  .section h2 {
    font-family: var(--mono);
    font-weight: 400;
    font-size: 0.8125rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 2.25rem;
  }
  @media (min-width: 60em) {
    .section {
      display: grid;
      grid-template-columns: 11rem minmax(0, 1fr);
      column-gap: clamp(2rem, 4vw, 4rem);
    }
    .section h2 {
      margin-bottom: 0;
      position: sticky;
      top: 1.5rem;
      align-self: start;
    }
    .section > :not(h2) {
      grid-column: 2;
    }
  }

  .colophon {
    border-top: 1px solid var(--line);
    padding-block: 3rem 3.5rem;
    font-family: var(--mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--muted);
  }
  .colophon p {
    max-width: 62ch;
  }
  .colophon p + p {
    margin-top: 0.6rem;
  }
  .colophon .label {
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 1.1rem;
  }
}

/* ── Components ────────────────────────────────────────── */

@layer components {
  .dataline {
    display: inline-block;
    position: relative;
    margin-top: 2.25rem;
    padding: 0.55rem 0.85rem;
    font-family: var(--mono);
    font-size: 0.8125rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .dataline::before,
  .dataline::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
  }
  .dataline::before {
    top: 0;
    left: 0;
    border-top: 1.5px solid var(--accent);
    border-left: 1.5px solid var(--accent);
  }
  .dataline::after {
    bottom: 0;
    right: 0;
    border-bottom: 1.5px solid var(--accent);
    border-right: 1.5px solid var(--accent);
  }
  .hero .dataline {
    margin-top: 0;
  }

  .entry {
    padding-block: 1.6rem;
  }
  .entry:not(:has(.entry-detail)) {
    padding-block: 1.15rem;
  }
  .entry + .entry {
    border-top: 1px solid var(--line);
  }
  .entry-when,
  .entry-key {
    font-family: var(--mono);
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    color: var(--muted);
  }
  .is-current .entry-when {
    color: var(--ink);
  }
  .entry-key {
    font-weight: 400;
    text-wrap: balance;
  }
  .entry-body > .entry-detail:first-child {
    margin-top: 0;
    color: var(--ink);
  }
  .entry-links {
    margin-top: 0.6rem;
    display: flex;
    gap: 1.5rem;
    font-family: var(--mono);
    font-size: 0.8125rem;
  }
  .now {
    color: var(--accent);
  }
  .entry-role {
    font-size: 1.0625rem;
    font-weight: 500;
    line-height: 1.45;
  }
  .entry-tag {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--muted);
    margin-left: 0.4rem;
  }
  .entry-tag::before {
    content: "· ";
  }
  .entry-detail {
    margin-top: 0.55rem;
    color: var(--muted);
    max-width: 56ch;
    font-size: 1rem;
  }
  @media (min-width: 40em) {
    .entry {
      display: grid;
      grid-template-columns: 8.5rem minmax(0, 1fr);
      column-gap: 2rem;
    }
    .entry-when,
    .entry-key {
      padding-top: 0.15rem;
    }
  }
  @media (max-width: 39.99em) {
    .entry-when,
    .entry-key {
      margin-bottom: 0.4rem;
    }
  }

  .lab-lede {
    margin-top: clamp(2rem, 5vh, 3rem);
    font-size: 1.125rem;
    color: var(--muted);
    max-width: 66ch;
    text-wrap: pretty;
  }
  .lab-status {
    margin-top: 0.35rem;
    margin-bottom: 0.4rem;
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }
  .lab-stack {
    margin-top: 0.55rem;
    font-family: var(--mono);
    font-size: 0.8125rem;
    color: var(--muted);
  }

  .cap {
    padding-block: 1.4rem;
  }
  .cap + .cap {
    border-top: 1px solid var(--line);
  }
  .cap dt {
    font-family: var(--mono);
    font-size: 0.8125rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .cap dd {
    margin-top: 0.4rem;
    max-width: 56ch;
  }
  @media (min-width: 40em) {
    .cap {
      display: grid;
      grid-template-columns: 8.5rem minmax(0, 1fr);
      column-gap: 2rem;
    }
    .cap dt {
      padding-top: 0.2rem;
    }
    .cap dd {
      margin-top: 0;
    }
  }

  .contact-lead {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.3;
    max-width: 26ch;
    text-wrap: pretty;
  }
  .contact-mail {
    margin-top: 1.4rem;
    font-family: var(--mono);
    font-size: clamp(1.05rem, 3.4vw, 1.6rem);
    overflow-wrap: anywhere;
  }
  .contact-body .links {
    margin-top: 2rem;
  }
  .contact-body .dataline {
    margin-top: 2.5rem;
  }

  .lost {
    padding-block: clamp(4rem, 18vh, 10rem);
  }
  .lost .dataline {
    margin-top: 0;
  }
  .page-title {
    font-family: var(--disp);
    font-weight: 700;
    font-size: clamp(2rem, 7vw, 3.5rem);
    line-height: 1.05;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    max-width: 18ch;
    margin-block: 1.5rem 1.75rem;
  }
}

/* ── Motion ────────────────────────────────────────────── */

@layer motion {
  @media (prefers-reduced-motion: no-preference) {
    .site-head {
      animation: fade 0.5s ease-out backwards;
    }
    .hero > * {
      animation: rise 0.55s cubic-bezier(0.22, 0.61, 0.36, 1) backwards;
    }
    .hero > :nth-child(2) {
      animation-delay: 0.07s;
    }
    .hero > :nth-child(3) {
      animation-delay: 0.13s;
    }
    .hero > :nth-child(4) {
      animation-delay: 0.19s;
    }
  }
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation: none !important;
      transition: none !important;
    }
  }
  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
  }
  @keyframes fade {
    from {
      opacity: 0;
    }
  }
}

/* ── Print ─────────────────────────────────────────────── */

@layer print {
  @media print {
    .site-head nav,
    #theme-toggle,
    .skip,
    #visit {
      display: none;
    }
    body {
      background: #fff;
      color: #000;
      font-size: 11pt;
    }
    a {
      color: #000;
    }
    .hero {
      padding-block: 1.5rem;
    }
    .name {
      font-size: 2.5rem;
    }
    .standfirst {
      margin-top: 1rem;
    }
    .section {
      display: block;
      padding-block: 1.25rem;
    }
    .section h2 {
      position: static;
      margin-bottom: 1rem;
    }
    .entry,
    .cap {
      break-inside: avoid;
    }
  }
}