:root {
  --page: #f6f7f8;
  --ink: #1a2026;
  --muted: #5a6670;
  --rule: #d5dbe0;
  --asphalt: #2b333a;
  --marking: #f5b800;
  --sign: #0a5ca8;
  --gutter: 190px;
  --display: "Geologica", "Helvetica Neue", Arial, sans-serif;
  --body: "Golos Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
ul,
dl,
dd {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

a {
  color: var(--sign);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--sign);
  outline-offset: 3px;
}

.page-header,
.page-main {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.page-main {
  padding-bottom: 56px;
}

/* Header */

.page-header {
  padding: 56px 0 44px;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 24px;
}

.identity {
  display: flex;
  align-items: center;
  gap: 28px;
}

.portrait-button {
  flex: none;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: none;
  cursor: zoom-in;
}

.portrait {
  display: block;
  width: 128px;
  height: 128px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  object-fit: cover;
}

h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.1rem, 5.4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.role {
  margin-top: 16px;
  max-width: 34em;
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--muted);
}

.contact-list {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
}

.contact-list a {
  color: var(--ink);
  font-weight: 500;
}

.contact-list span {
  color: var(--muted);
}

.lang-switcher {
  display: flex;
  flex: none;
  margin-top: 8px;
  border: 1px solid var(--asphalt);
  border-radius: 6px;
  overflow: hidden;
}

.lang-button {
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 500 0.9rem var(--body);
  padding: 6px 12px;
  cursor: pointer;
}

.lang-button.is-active {
  background: var(--asphalt);
  color: #fff;
}

.load-error {
  margin-top: 20px;
  padding: 12px 16px;
  border-left: 4px solid var(--marking);
  background: #fff;
}

/* Sections: title in the left gutter, content on the right */

.section {
  display: grid;
  grid-template-columns: var(--gutter) minmax(0, 1fr);
  column-gap: 32px;
  padding: 36px 0;
  border-top: 1px solid var(--rule);
}

h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--muted);
}

.section-body {
  max-width: 44rem;
}

.lead {
  font-size: 1.2rem;
  line-height: 1.5;
}

/* Experience is a road read from the top: a rover drives at the current end,
   every job is a crossing with a kilometre-style plate showing its start year,
   current jobs carry a "priority road" diamond, finished ones a "no stopping" sign,
   the first job is the start line. */

.timeline {
  --road: 34px;
  --road-gap: 62px;
  position: relative;
  padding: 52px 0 30px calc(var(--road) + var(--road-gap));
  display: grid;
  gap: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--road);
  border-radius: 5px;
  background:
    linear-gradient(
      90deg,
      transparent 3px,
      #fff 3px 5px,
      transparent 5px calc(100% - 5px),
      #fff calc(100% - 5px) calc(100% - 3px),
      transparent calc(100% - 3px)
    ),
    var(--asphalt);
}

.timeline::after {
  content: "";
  position: absolute;
  inset: 46px auto 30px calc(var(--road) / 2 - 1px);
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--marking) 0 12px, transparent 12px 26px);
}

.timeline-rover {
  position: absolute;
  z-index: 2;
  top: 8px;
  left: calc(var(--road) / 2 - 10px);
  width: 20px;
}

.timeline-start {
  position: absolute;
  z-index: 1;
  bottom: 8px;
  left: 5px;
  width: calc(var(--road) - 10px);
  height: 12px;
  background: repeating-conic-gradient(#fff 0 25%, var(--asphalt) 0 50%) 0 0 / 12px 12px;
}

.timeline-item {
  position: relative;
}

/* Crossing: zebra stripes across the road at each job */
.timeline-item::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 4px;
  left: calc(-1 * (var(--road) + var(--road-gap)) + 5px);
  width: calc(var(--road) - 10px);
  height: 18px;
  background:
    repeating-linear-gradient(90deg, #fff 0 3px, transparent 3px 6px),
    var(--asphalt);
}

.timeline-sign {
  position: absolute;
  top: -6px;
  left: calc(-1 * var(--road-gap) + 8px);
  width: 44px;
}

.timeline-sign svg,
.timeline-rover svg {
  display: block;
  width: 100%;
  height: auto;
}

.timeline-meta {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--sign);
}

.timeline-role {
  margin-top: 4px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.timeline-company {
  margin-top: 6px;
  color: var(--muted);
}

.timeline-points {
  margin-top: 14px;
}

.timeline-points li,
.simple-list li {
  position: relative;
  padding-left: 18px;
}

.timeline-points li::before,
.simple-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--muted);
}

.timeline-points li + li,
.simple-list li + li {
  margin-top: 8px;
}

/* Skills */

.skill-groups {
  display: grid;
  gap: 14px;
}

.skill-group {
  display: grid;
  grid-template-columns: 12.5rem minmax(0, 1fr);
  column-gap: 20px;
}

.skill-group dt {
  font-weight: 600;
}

.skill-group dd {
  color: var(--muted);
}

/* Projects: one block per topic, cover on the left when there are photos */

.projects {
  display: grid;
  gap: 32px;
}

.project:has(.project-cover) {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 24px;
  align-items: start;
}

.project-cover {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  background: var(--rule);
  font: inherit;
  cursor: zoom-in;
}

.project-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-cover.is-contained {
  background: var(--asphalt);
}

.project-cover.is-contained img {
  object-fit: contain;
}

.project-cover-count {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 2px 10px;
  border-radius: 6px;
  background: var(--asphalt);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Full-screen photo viewer */

.lightbox {
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
}

.lightbox[open] {
  display: grid;
  place-items: center;
}

.lightbox::backdrop {
  background: #1b2126;
}

.lightbox-figure {
  margin: 0;
  width: min(1200px, calc(100vw - 140px));
}

.lightbox-figure img {
  display: block;
  width: 100%;
  max-height: calc(100vh - 140px);
  object-fit: contain;
}

.lightbox-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 14px;
  line-height: 1.4;
}

.lightbox-counter {
  flex: none;
  color: #b8c1c9;
}

.lightbox-nav,
.lightbox-close {
  position: fixed;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.12);
  color: #fff;
  font-size: 1.9rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox-nav:hover,
.lightbox-close:hover {
  background: var(--marking);
  color: var(--asphalt);
}

.lightbox-nav:focus-visible,
.lightbox-close:focus-visible {
  outline-color: var(--marking);
}

.lightbox-prev {
  left: 12px;
  top: calc(50% - 24px);
}

.lightbox-next {
  right: 12px;
  top: calc(50% - 24px);
}

.lightbox-close {
  right: 12px;
  top: 12px;
}

.project-label {
  font-size: 0.88rem;
  color: var(--muted);
}

.project-title {
  margin-top: 2px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.3;
}

.project-description {
  margin-top: 6px;
  color: var(--muted);
}

.project-links {
  display: grid;
  justify-items: start;
  gap: 6px;
  margin-top: 10px;
}

.project-links:empty {
  display: none;
}

.project-links a {
  font-weight: 500;
}

@media (max-width: 760px) {
  .page-header {
    padding: 32px 0 28px;
  }

  .identity {
    gap: 16px;
  }

  .portrait {
    width: 80px;
    height: 80px;
  }

  .section {
    grid-template-columns: 1fr;
    row-gap: 14px;
    padding: 28px 0;
  }

  .skill-group {
    grid-template-columns: 1fr;
  }

  .project:has(.project-cover) {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .lightbox-figure {
    width: calc(100vw - 24px);
  }

  .lightbox-prev,
  .lightbox-next {
    top: auto;
    bottom: 12px;
  }

  .timeline {
    --road: 26px;
    --road-gap: 50px;
  }

  .timeline-sign {
    width: 36px;
  }
}

@media print {
  :root {
    --page: #fff;
    --gutter: 130px;
  }

  body {
    font-size: 10.5pt;
  }

  .lang-switcher,
  .lightbox,
  .project-cover {
    display: none;
  }

  .project:has(.project-cover) {
    display: block;
  }

  .page-header {
    padding: 0 0 20px;
  }

  .section {
    padding: 18px 0;
  }

  .timeline {
    gap: 22px;
  }

  .timeline-item {
    break-inside: avoid;
  }

  .timeline::before,
  .timeline::after,
  .timeline-start,
  .timeline-item::before {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}