:root {
  --text: #000;
  --muted: #6f6f6f;
  --light: #777;
  --line: #ddd;
  --link: #000;
  --soft: #f6f6f6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: "Times New Roman", Times, serif;
  font-size: 16px;
  line-height: 1.48;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(960px, calc(100% - 36px));
  margin: 52px auto 48px;
}

.hero {
  display: grid;
  grid-template-columns: 245px 1fr;
  gap: 58px;
  align-items: end;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.profile h1 {
  margin: 18px 0 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 46px;
  line-height: 1.05;
  font-weight: 400;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.social-icon {
  min-width: 0;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #000;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #000;
  border-radius: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

.social-icon:hover {
  text-decoration: none;
}

.cv {
  letter-spacing: 0;
}

.subtitle {
  margin: 0 0 14px;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
}

.intro p {
  max-width: 680px;
  margin: 0 0 10px;
}

.job-market-note {
  color: #d63384;
  outline: none;
}

.job-market-note:focus {
  border-bottom: 1px solid #d63384;
}

.portrait {
  width: 170px;
  height: 170px;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 50%;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 14px 0 18px;
  border-bottom: 1px solid var(--line);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
}

.section {
  padding: 18px 0 4px;
  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 12px;
  color: #000;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 22px;
  line-height: 1.2;
}

.section p {
  margin: 0 0 8px;
}

.compact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.compact-list li {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 12px;
  margin: 6px 0;
}

.compact-list span,
.date {
  color: var(--light);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

.entry {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  margin: 10px 0 12px;
}

.entry p {
  margin: 3px 0 0;
  color: var(--muted);
}

.edu-detail {
  color: var(--muted);
}

.experience-entry {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 28px;
  align-items: center;
  padding: 14px 0 18px;
}

.experience-entry + .experience-entry {
  border-top: 1px solid #ececec;
}

.experience-copy {
  margin-top: 10px;
}

.company-logo {
  width: 96px;
  height: 76px;
  object-fit: contain;
  object-position: center;
}

.pub {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 20px;
  align-items: start;
  padding: 16px 0;
}

.pub + .pub {
  border-top: 1px solid #ececec;
}

.pub h3 {
  margin: 0 0 3px;
  font-size: 17px;
  line-height: 1.28;
  font-weight: 700;
}

.pub p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.pub .pub-meta {
  margin: 0 0 4px;
  color: #000;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 7px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
}

.pub-links a {
  min-width: 0;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0 10px 0 7px;
  color: #000;
  border: 1px solid #d7d7d7;
  border-radius: 6px;
  background: #fafafa;
  line-height: 1;
  text-decoration: none;
}

.pub-links a::before {
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: #000;
  border-radius: 2px;
  font-size: 8px;
  font-weight: 700;
  line-height: 1;
}

.pub-links a[data-kind="pdf"]::before {
  content: "PDF";
  width: 21px;
  background: #b42318;
  font-size: 7px;
}

.pub-links a[data-kind="code"]::before {
  content: "";
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 38%, #fff 0 2px, transparent 2.2px),
    radial-gradient(circle at 34% 33%, #fff 0 1px, transparent 1.2px),
    radial-gradient(circle at 66% 33%, #fff 0 1px, transparent 1.2px),
    linear-gradient(#000, #000);
}

.pub-links a[data-kind="data"]::before {
  content: "HF";
  background: #f6b73c;
  color: #000;
}

.pub-links a[data-kind="page"]::before {
  content: "↗";
  background: #2f6fef;
  color: #fff;
  font-size: 10px;
}

.pub-links a:hover {
  border-color: #9f9f9f;
  background: #f1f1f1;
  text-decoration: none;
}

.pub-image {
  width: 170px;
  height: 96px;
  display: block;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--line);
  background: var(--soft);
}

.image-preview {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 20;
  width: min(420px, calc(100vw - 32px));
  padding: 8px;
  background: #fff;
  border: 1px solid #d0d0d0;
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.image-preview.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.image-preview img {
  width: 100%;
  height: auto;
  max-height: 320px;
  display: block;
  object-fit: contain;
  background: var(--soft);
}

.thumb {
  width: 76px;
  min-height: 48px;
  padding: 7px 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  background: var(--soft);
  border: 1px solid var(--line);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.12;
  text-align: center;
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 24px, 960px);
    margin-top: 18px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 18px;
    align-items: start;
    padding-bottom: 24px;
  }

  .profile h1 {
    margin-top: 20px;
    font-size: 38px;
  }

  .portrait {
    width: 140px;
    height: 140px;
  }

  .compact-list li,
  .entry,
  .pub {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .experience-entry {
    grid-template-columns: 72px 1fr;
    gap: 16px;
    align-items: start;
  }

  .company-logo {
    width: 68px;
    height: 54px;
  }

  .pub {
    padding: 13px 0;
  }

  .pub-image {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .image-preview {
    display: none;
  }
}