/* kevinosanlou.com */

:root {
    --bg: #FBFAF8;
    --surface: #F4F2ED;
    --rule: #E4E0D8;
    --rule-strong: #CFC9BE;
    --ink-display: #1A1815;
    --ink: #211F1C;
    --ink-prose: #3D3A35;
    --ink-2: #6B6660;
    --ink-3: #8E8880;
    --accent: #96421F;
    --accent-hover: #6F3016;
    --accent-line: rgba(150, 66, 31, 0.28);
    --accent-line-hover: rgba(111, 48, 22, 0.55);
    --on-accent: #FBFAF8;

    --sans: "Helvetica Neue", Arial, sans-serif;
    --serif: Georgia, "Times New Roman", serif;
    --mono: ui-monospace, "SFMono-Regular", Menlo, monospace;
    --gutter: 200px;
  }



  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
    text-wrap: pretty;
  }
  * { box-sizing: border-box; }
  p { margin: 0; }
  h1, h2, h3 { margin: 0; font-weight: 400; text-wrap: balance; }
  em { font-style: italic; }

  a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-line); }
  a:hover { color: var(--accent-hover); border-bottom-color: var(--accent-line-hover); }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 1px;
  }

  .wrap { padding-left: var(--gutter); padding-right: var(--gutter); }

  /* ---- header ---- */
  header {
    display: flex; justify-content: space-between; align-items: baseline;
    gap: 24px; padding-top: 30px; padding-bottom: 22px;
    border-bottom: 1px solid var(--rule);
  }
  .brand {
    font-family: var(--mono); font-size: 13px; letter-spacing: 0.02em;
    color: var(--ink); border-bottom: none;
  }
  .brand:hover { color: var(--accent); }
  nav { display: flex; align-items: baseline; gap: 30px; font-size: 14px; }
  nav a { color: var(--ink-2); border-bottom: none; }
  nav a:hover { color: var(--ink); }
  nav a[aria-current="page"] { color: var(--ink); border-bottom: 1px solid var(--ink); }

  /* ---- shared blocks ---- */
  .section { padding-top: 74px; }
  .label-row {
    display: flex; justify-content: space-between; align-items: baseline;
    gap: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--rule-strong);
  }
  .label {
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--ink);
  }
  .meta-link { font-family: var(--mono); font-size: 12px; }

  .page-title {
    font-family: var(--serif); font-size: 44px; line-height: 1.12;
    letter-spacing: -0.016em; color: var(--ink-display);
  }
  .lede { margin-top: 22px; font-size: 17px; line-height: 1.62; color: var(--ink-prose); max-width: 66ch; }

  footer {
    display: flex; justify-content: space-between; align-items: baseline;
    gap: 20px; margin-top: 80px; padding-top: 22px; padding-bottom: 48px;
    border-top: 1px solid var(--rule-strong);
    font-family: var(--mono); font-size: 12px; color: var(--ink-3);
  }

  /* ---- home hero ---- */
  .hero {
    display: grid; grid-template-columns: minmax(0, 1fr) 216px;
    gap: 72px; align-items: start; padding-top: 76px;
  }
  .hero h1 {
    font-family: var(--serif); font-size: 52px; line-height: 1.1;
    letter-spacing: -0.018em; color: var(--ink-display);
  }
  .hero-role-row { display: flex; align-items: baseline; gap: 20px; margin-top: 20px; flex-wrap: wrap; font-family: var(--mono); font-size: 13px; }
  .hero-title { font-size: 25px; line-height: 1.25; font-weight: 500; color: var(--ink); }
  .hero-keywords { margin-top: 9px; font-size: 15.5px; line-height: 1.55; color: var(--ink-2); max-width: 54ch; }
  .hero-lede { margin-top: 28px; font-size: 16.5px; line-height: 1.64; color: var(--ink-prose); max-width: 62ch; }
  .hero-lede.second { margin-top: 16px; }
  .hero-bio { margin-top: 18px; font-size: 15px; line-height: 1.6; color: var(--ink-2); max-width: 62ch; }
  .portrait {
    width: 216px; height: 216px; object-fit: cover;
    border: 1px solid var(--rule); display: block;
  }

  /* ---- publication rows ---- */
  .pub {
    display: grid; grid-template-columns: minmax(0, 1fr) 168px 160px;
    gap: 36px; padding: 22px 0; border-bottom: 1px solid var(--rule);
  }
  .pub-title { font-size: 16px; line-height: 1.45; color: var(--ink); font-weight: 500; }
  .pub-authors { margin-top: 7px; font-size: 13.5px; line-height: 1.5; color: var(--ink-3); }
  .pub-authors strong { color: var(--ink-2); font-weight: 500; }
  .pub-venue { font-size: 14px; color: var(--ink-prose); }
  .pub-track {
    margin-top: 6px; font-family: var(--mono); font-size: 11.5px;
    letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3);
  }
  .pub-links {
    display: flex; align-items: baseline; gap: 16px;
    font-family: var(--mono); font-size: 13px; height: fit-content;
  }
  .pub-links a { white-space: nowrap; }

  /* ---- research threads ---- */
  .thread-head {
    display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap;
    padding-bottom: 16px; border-bottom: 1px solid var(--rule-strong);
  }
  .thread-head h2 {
    font-family: var(--serif); font-size: 27px; letter-spacing: -0.012em; color: var(--ink-display);
  }
  .thread-when { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
  .thread-body {
    display: grid; grid-template-columns: minmax(0, 1fr) 428px;
    gap: 64px; padding-top: 26px; align-items: start;
  }
  .thread-body.single { display: block; max-width: 80ch; }
  .thread-body p { font-size: 15.5px; line-height: 1.66; color: var(--ink-prose); }
  .thread-body p + p { margin-top: 16px; }
  .cite-list { display: flex; flex-direction: column; gap: 10px; margin-top: 26px; }
  .cite {
    display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 24px;
    font-size: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--rule);
  }
  .cite span:first-child { font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); }
  .cite span:last-child { color: var(--ink-prose); }

  .bg-row {
    display: grid; grid-template-columns: 132px minmax(0, 1fr) 200px;
    gap: 32px; padding: 18px 0; border-bottom: 1px solid var(--rule); font-size: 14.5px;
  }
  .bg-row span:first-child { font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); }
  .bg-row span:nth-child(2) { color: var(--ink-prose); }
  .bg-row span:last-child { color: var(--ink-2); }

  .cv-row { display: grid; grid-template-columns: 152px minmax(0, 1fr); gap: 36px; padding: 22px 0; border-bottom: 1px solid var(--rule); }
  .cv-row.tech { padding: 20px 0; font-size: 14.5px; color: var(--ink-prose); align-items: baseline; }
  .cv-when { font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); }
  .cv-role { font-size: 16px; color: var(--ink); font-weight: 500; }
  .cv-desc { margin-top: 8px; font-size: 14.5px; line-height: 1.62; color: var(--ink-prose); max-width: 70ch; }
  .footer-links { display: flex; gap: 22px; flex-wrap: wrap; }


  @media (max-width: 1180px) { :root { --gutter: 88px; } }
  @media (max-width: 900px) {
    :root { --gutter: 40px; }
    .hero { grid-template-columns: 1fr; gap: 36px; }
    .hero h1 { font-size: 40px; max-width: none; }
    .thread-body { grid-template-columns: 1fr; gap: 36px; }
    .pub { grid-template-columns: 1fr; gap: 10px; }
    .pub-track { display: inline; margin-left: 10px; }
    .page-title { font-size: 36px; }
    header { flex-wrap: wrap; }
    nav { gap: 20px; }
  }
  @media (max-width: 560px) {
    :root { --gutter: 22px; }
    .hero h1 { font-size: 32px; }
    .cite, .bg-row, .cv-row { grid-template-columns: 1fr; gap: 6px; }
    .cite, .bg-row { padding-bottom: 14px; }
  }
  @media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
  }