/* Layout: one narrow logbook column on the left over a full-screen 3D scene whose
   subject sits right of centre; a fixed instrument rail on the right edge is the only
   chrome. On narrow screens the subject moves to the top and the rail becomes a bar. */
:root {
  color-scheme: dark;

  /* Colour: space black, warm paper-white text, and an accent that the script moves
     from solar gold through ocean blue to core white as the journey goes on. */
  --void: #030408;
  --ink: #f4f0e8;
  --ink-soft: #c9c4b9;
  --ink-faint: #8d897f;
  --line: rgb(244 240 232 / 0.18);
  --plate: rgb(6 7 12 / 0.62);
  --accent: #ffb94a;
  --scrim: 0.55;

  /* Type: Fraunces carries the headlines, Schibsted Grotesk everything else. */
  --display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --text: "Schibsted Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3125rem;
  --step-2: clamp(2rem, 1.2rem + 3vw, 3.25rem);
  --step-3: clamp(3.25rem, 1.2rem + 8.4vw, 7.75rem);

  --gutter: clamp(1.125rem, 6.5vw, 6.5rem);
  --rail: 15rem;
}

@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces-latin-opsz-normal.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Schibsted Grotesk";
  src: url("../fonts/schibsted-grotesk-latin-wght-normal.woff2") format("woff2");
  font-weight: 400 900; font-style: normal; font-display: swap;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--text);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: fixed; left: 1rem; top: -4rem; z-index: 20;
  padding: 0.6rem 1rem; background: var(--ink); color: var(--void); text-decoration: none;
}
.skip:focus { top: 1rem; }

/* ---- The scene and its scrim ------------------------------------------- */
#space {
  /* Sized to the large viewport (toolbars hidden) so the canvas keeps one size while
     a phone browser's toolbar slides in and out during scrolling. */
  position: fixed; top: 0; left: 0; z-index: 0;
  width: 100%; height: 100vh; height: 100lvh; display: block;
  opacity: 0; transition: opacity 1.4s ease;
}
#space.is-ready { opacity: 1; }

.scrim {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(
    90deg,
    rgb(3 4 8 / var(--scrim)) 0%,
    rgb(3 4 8 / calc(var(--scrim) * 0.94)) 40%,
    rgb(3 4 8 / 0) 72%
  );
}

/* Without WebGL the page is still a complete résumé on a quiet gradient. */
.no-webgl #space { display: none; }
.no-webgl body,
.no-webgl { background: radial-gradient(120% 80% at 80% 0%, #3a1c05 0%, #0a0a12 45%, var(--void) 100%) fixed; }

/* ---- Top bar ------------------------------------------------------------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: calc(env(safe-area-inset-top, 0px) + 1.1rem) var(--gutter) 1.1rem;
  font-size: var(--step--1);
  background: linear-gradient(rgb(3 4 8 / 0.94) 20%, rgb(3 4 8 / 0));
}
.brand { font-family: var(--display); font-size: 1.125rem; font-weight: 500; text-decoration: none; letter-spacing: -0.01em; }
.topbar nav { display: flex; align-items: center; gap: clamp(0.9rem, 2.2vw, 1.75rem); }
.topbar nav a { text-decoration: none; color: var(--ink-soft); }
.topbar nav a:hover { color: var(--ink); }
.topbar nav .pill {
  color: var(--ink); padding: 0.4rem 0.9rem;
  border: 1px solid var(--line); border-radius: 999px;
}
.topbar nav .pill:hover { border-color: var(--accent); }

/* ---- Sections ------------------------------------------------------------ */
main { position: relative; z-index: 2; }

.stop {
  min-height: 190vh;
  padding: 21vh var(--gutter) 0;
}
.stop.hero { padding-top: 24vh; }
.stop.last { min-height: 100vh; padding-bottom: 6rem; }

.column {
  max-width: 35rem;
  text-shadow: 0 1px 22px rgb(0 0 0 / 0.75);
}
.column.wide { max-width: 38rem; }
.column > * { margin-block: 0; }
.column > * + * { margin-top: 1.15rem; }

h1, h2 {
  font-family: var(--display);
  font-weight: 400;
  font-variation-settings: "opsz" 144;
  letter-spacing: -0.022em;
  text-wrap: balance;
}
h1 { font-size: var(--step-3); line-height: 0.94; letter-spacing: -0.035em; }
h2 { font-size: var(--step-2); line-height: 1.04; }
h3 { font-family: var(--text); font-size: var(--step-1); font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; }

.lede {
  font-family: var(--display);
  font-size: clamp(1.3rem, 1rem + 1.2vw, 1.75rem);
  font-weight: 350;
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin-top: 1.6rem !important;
}
.note { color: var(--ink-soft); max-width: 31rem; }

.place {
  color: var(--accent);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.01em;
}
.place + h2 { margin-top: 0.55rem; }
.role { color: var(--ink-soft); font-size: var(--step--1); font-weight: 500; }
h2 + .role { margin-top: 0.8rem; }

.column ul:not(.links) { list-style: none; padding: 0; display: grid; gap: 0.8rem; }
.column ul:not(.links) > li { position: relative; padding-left: 1.4rem; }
.column ul:not(.links) > li::before {
  content: ""; position: absolute; left: 0; top: 0.78em;
  width: 0.7rem; height: 1px; background: var(--accent);
}

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem !important; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.8rem 1.35rem;
  font: inherit; font-size: var(--step--1); font-weight: 600; letter-spacing: 0.005em;
  color: var(--void); background: var(--accent);
  border: 1px solid var(--accent); border-radius: 999px;
  text-decoration: none; text-shadow: none; cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease;
}
.button:hover { transform: translateY(-1px); }
.button.quiet { color: var(--ink); background: rgb(6 7 12 / 0.35); border-color: var(--line); }
.button.quiet:hover { border-color: var(--accent); }

/* Facts under the About text: a ruled list, not cards. */
.facts { margin-top: 1.9rem !important; border-top: 1px solid var(--line); }
.facts > div {
  display: grid; grid-template-columns: minmax(0, 12.5rem) minmax(0, 1fr); gap: 1rem;
  padding-block: 0.7rem; border-bottom: 1px solid var(--line);
}
.facts dt { font-weight: 600; }
.facts dd { margin: 0; color: var(--ink-soft); }

.skills { margin-top: 1.6rem !important; display: grid; gap: 1.05rem; }
.skills dt { font-size: var(--step--1); font-weight: 600; color: var(--accent); }
.skills dd { margin: 0.1rem 0 0; }

/* Projects are the two things on the page that are objects in their own right. */
.project {
  margin-top: 1.6rem !important;
  padding: clamp(1.15rem, 3vw, 1.7rem);
  background: var(--plate);
  border: 1px solid var(--line);
  border-radius: 6px;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  text-shadow: none;
}
.project > * { margin-block: 0; }
.project > * + * { margin-top: 0.95rem; }
.project h3 { font-family: var(--display); font-weight: 450; font-size: 1.6rem; letter-spacing: -0.015em; }
.project .kind { margin-top: 0.3rem; color: var(--ink-soft); font-size: var(--step--1); }
.project ul { font-size: 1rem; }

.figures { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; padding-top: 0.95rem; border-top: 1px solid var(--line); }
.figures dt { font-family: var(--display); font-size: 1.7rem; line-height: 1.1; font-variant-numeric: tabular-nums; color: var(--accent); }
.figures dd { margin: 0.2rem 0 0; font-size: var(--step--1); color: var(--ink-soft); }

/* GitHub's own dark button, so it reads as GitHub at a glance. */
.gh-button {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  font-size: var(--step--1); font-weight: 600; line-height: 1.4;
  color: #f0f6fc; background: #21262d;
  border: 1px solid rgb(240 246 252 / 0.15); border-radius: 6px;
  text-decoration: none; text-shadow: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.gh-button:hover { background: #30363d; border-color: #8b949e; }
.gh-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.gh-button svg { width: 1.1em; height: 1.1em; flex: none; }
.gh-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.textlink { display: inline-block; font-size: var(--step--1); font-weight: 600; text-underline-offset: 0.25em; text-decoration-color: var(--accent); }
.textlink:hover { color: var(--accent); }

.roles { margin-top: 1.5rem !important; display: grid; gap: 1.5rem; }
.roles p { margin: 0.3rem 0 0; }

/* ---- Contact -------------------------------------------------------------- */
.contact { margin-top: 1.8rem !important; display: grid; gap: 1rem; text-shadow: none; }
.field { display: grid; gap: 0.35rem; }
.field label { font-size: var(--step--1); font-weight: 600; }
.field input,
.field textarea {
  width: 100%; padding: 0.75rem 0.85rem;
  font: inherit; color: var(--ink);
  background: rgb(6 7 12 / 0.66);
  border: 1px solid var(--line); border-radius: 4px;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.field textarea { resize: vertical; min-height: 7rem; }
.field input:focus-visible,
.field textarea:focus-visible { outline-offset: 0; border-color: var(--accent); }
.contact .button { justify-self: start; }
.form-status { margin: 0; min-height: 1.5em; font-size: var(--step--1); color: var(--ink-soft); }

.direct { font-size: var(--step--1); display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; }
.address { font-weight: 600; font-size: var(--step-0); overflow-wrap: anywhere; }
.copy {
  font: inherit; font-size: var(--step--1); color: var(--ink);
  padding: 0.3rem 0.8rem; background: rgb(6 7 12 / 0.5);
  border: 1px solid var(--line); border-radius: 999px; cursor: pointer;
}
.copy:hover { border-color: var(--accent); }

.links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; font-weight: 600; }
.links a { text-underline-offset: 0.25em; text-decoration-color: var(--accent); }
.links a:hover { color: var(--accent); }

.colophon { margin-top: 3.5rem !important; padding-top: 1.2rem; border-top: 1px solid var(--line); font-size: var(--step--1); color: var(--ink-faint); }
.colophon p { margin: 0 0 0.5rem; }

/* ---- The gauge ------------------------------------------------------------ */
.gauge {
  position: fixed; z-index: 4;
  right: clamp(1rem, 2.2vw, 2.25rem); top: 50%; transform: translateY(-50%);
  width: var(--rail);
  padding: 1.1rem 1.15rem 0.9rem;
  font-size: 0.8125rem; line-height: 1.35;
  /* The one instrument on the page gets a housing so it reads over a star or a core. */
  background: rgb(4 5 9 / 0.6);
  border: 1px solid var(--line); border-radius: 8px;
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.readout { margin: 0 0 0.9rem; padding-bottom: 0.9rem; border-bottom: 1px solid var(--line); display: grid; gap: 0.15rem; }
.readout-place { font-family: var(--display); font-size: 1.5rem; line-height: 1.1; color: var(--accent); }
.readout-line { color: var(--ink-soft); }

.stops { list-style: none; margin: 0; padding: 0; display: grid; }
.stops a {
  position: relative; display: block; padding: 0.34rem 0 0.34rem 1.25rem;
  text-decoration: none; color: var(--ink-faint);
  transition: color 0.2s ease;
}
.stops a span { display: block; font-size: 0.6875rem; letter-spacing: 0.02em; opacity: 0.85; }
/* The rail itself: a line with a tick per stop, filled down to the current one. */
.stops a::before {
  content: ""; position: absolute; left: 3px; top: 0; bottom: 0; width: 1px; background: var(--line);
}
.stops a::after {
  content: ""; position: absolute; left: 0; top: 0.72rem; width: 7px; height: 7px;
  border-radius: 50%; background: var(--void); border: 1px solid var(--ink-faint);
}
.stops a:hover { color: var(--ink); }
.stops .is-passed a { color: var(--ink-soft); }
.stops .is-passed a::before { background: var(--accent); }
.stops .is-passed a::after { background: var(--accent); border-color: var(--accent); }
.stops .is-active a { color: var(--ink); }
.stops .is-active a::after { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 4px rgb(255 255 255 / 0.12); }

/* ---- Narrow screens ------------------------------------------------------- */
@media (max-width: 1100px) {
  /* Less room beside the text, so the scrim reaches further across the scene. */
  .scrim {
    background: linear-gradient(
      90deg,
      rgb(3 4 8 / calc(var(--scrim) + 0.1)) 0%,
      rgb(3 4 8 / var(--scrim)) 56%,
      rgb(3 4 8 / 0) 96%
    );
  }
  /* The rail collapses to a readout bar pinned to the bottom edge. */
  .gauge {
    inset: auto 0 0 0; top: auto; transform: none; width: auto;
    padding: 0.6rem var(--gutter) calc(env(safe-area-inset-bottom, 0px) + 0.6rem);
    border: 0; border-radius: 0; -webkit-backdrop-filter: none; backdrop-filter: none;
    background: linear-gradient(rgb(3 4 8 / 0), rgb(3 4 8 / 0.9) 45%);
  }
  .stops { display: none; }
  .readout { margin: 0; padding: 0; border: 0; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 0.75rem; }
  .readout-place { font-size: 1.1rem; }
  .readout-line:last-child { text-align: right; }
  .stop.last { padding-bottom: 7rem; }
}

@media (max-width: 760px) {
  .topbar nav a:not(.pill) { display: none; }
  .scrim {
    background: linear-gradient(
      180deg,
      rgb(3 4 8 / calc(var(--scrim) * 0.35)) 0%,
      rgb(3 4 8 / calc(var(--scrim) * 0.95)) 46%,
      rgb(3 4 8 / var(--scrim)) 100%
    );
  }
  .stop { min-height: 175vh; padding-top: 47vh; }
  .stop.hero { padding-top: 46vh; }
  .facts > div { grid-template-columns: 1fr; gap: 0.1rem; }
  .figures dt { font-size: 1.35rem; }
  .readout { grid-template-columns: auto 1fr; }
  .readout-line:last-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  #space { transition: none; }
  .button { transition: none; }
}

.portrait {
  display: block;
  width: clamp(5.5rem, 9vw, 8rem);
  height: auto;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid var(--accent);
  box-shadow: 0 8px 32px rgb(0 0 0 / 0.6);
  object-fit: cover;
}

/* ---- Engineering page: a plain, printable document, no scene ---------------- */
body.doc { background: radial-gradient(120% 60% at 80% 0%, #2a1505 0%, #0a0a12 40%, var(--void) 100%) fixed; }
.doc-main { position: relative; max-width: 54rem; margin: 0 auto; padding: 8rem var(--gutter) 5rem; }
.doc-main > * { margin-block: 0; }
.doc-main > * + * { margin-top: 1.15rem; }
.doc-main section { margin-top: 4rem; }
.doc-main section > * { margin-block: 0; }
.doc-main section > * + * { margin-top: 1rem; }
.doc-main h3 { margin-top: 2rem !important; }
.doc-main p, .doc-main li { max-width: 46rem; }
.doc-main ul { padding: 0; list-style: none; display: grid; gap: 0.8rem; }
.doc-main ul > li { position: relative; padding-left: 1.4rem; }
.doc-main ul > li::before { content: ""; position: absolute; left: 0; top: 0.78em; width: 0.7rem; height: 1px; background: var(--accent); }
.doc-main a:not(.button) { text-underline-offset: 0.2em; text-decoration-color: var(--accent); }
.doc-main a:not(.button):hover { color: var(--accent); }
.doc-main code { font-size: 0.9em; padding: 0.05em 0.3em; border-radius: 3px; background: rgb(244 240 232 / 0.08); }
.toc ol { margin: 0; padding: 1rem 1.2rem 1rem 2.4rem; display: grid; gap: 0.3rem; border: 1px solid var(--line); border-radius: 6px; background: var(--plate); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; background: var(--plate); }
.doc-main table { width: 100%; border-collapse: collapse; font-size: 0.95rem; line-height: 1.5; }
.doc-main th, .doc-main td { padding: 0.75rem 0.9rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.doc-main tbody tr:last-child > * { border-bottom: 0; }
.doc-main thead th { font-size: var(--step--1); color: var(--accent); font-weight: 600; white-space: nowrap; }
.doc-main tbody th { font-weight: 600; white-space: nowrap; }
@media (max-width: 760px) {
  .doc-main { padding-top: 6rem; }
  .doc-main table { min-width: 38rem; }
}
@media print {
  body.doc { background: #fff; color: #000; }
  .doc .topbar { position: static; background: none; }
  .table-wrap, .toc ol { background: none; }
}