:root {
  --bg: #f6f8fa; --surface: #fff; --surface-soft: #eef3f6; --ink: #17232d;
  --muted: #66737d; --line: #d3dbe1; --accent: #315f86; --max: 1160px;
  color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: inherit; }
button { font: inherit; }
.site { width: min(100% - 76px, var(--max)); margin: 0 auto; }
.nav { min-height: 64px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: baseline; gap: 12px; text-decoration: none; }
.brand strong { font-size: 15px; letter-spacing: -.025em; }
.brand span, .eyebrow, .project-status, footer { font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.brand span { color: #778791; font-size: 8px; }
.nav nav { display: flex; gap: 20px; margin-left: auto; }
.nav nav a { color: var(--muted); font-size: 12px; text-decoration: none; }
.nav nav a:hover, .nav nav a:focus-visible { color: var(--accent); }
.hero { min-height: 320px; padding: 54px 0 46px; display: flex; align-items: end; }
.hero > div { max-width: 850px; }
.eyebrow { margin: 0; color: var(--accent); font-weight: 650; }
h1 { max-width: 800px; margin: 14px 0 18px; font-size: clamp(42px, 5.2vw, 64px); line-height: 1; letter-spacing: -.055em; font-weight: 650; }
.intro { max-width: 570px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.work { padding: 39px 0 62px; border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; gap: 30px; margin-bottom: 22px; }
h2 { margin: 0; font-size: 24px; line-height: 1.15; letter-spacing: -.035em; }
.section-head > p { max-width: 410px; margin: 0 0 1px auto; color: var(--muted); font-size: 13px; line-height: 1.5; }
.project-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.project-card { min-width: 0; padding: 18px; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 10px 28px rgba(36, 59, 77, .04); transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.project-card:hover { transform: translateY(-2px); border-color: #aab9c3; box-shadow: 0 14px 34px rgba(36, 59, 77, .07); }
.project-card-top { min-height: 46px; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.project-mark { width: 44px; height: 44px; flex: 0 0 auto; display: grid; place-items: center; background: #edf6fb; border: 1px solid #d7e8f1; border-radius: 10px; }
.project-mark img { display: block; width: 27px; height: 27px; }
.project-mark-python { background: #eef3f6; border-color: #dce4e9; }
.project-mark-language { color: var(--accent); background: #eef3f6; border-color: #dce4e9; font-size: 11px; line-height: 1.05; font-weight: 750; letter-spacing: .05em; text-align: center; }
.project-status { display: inline-block; margin: 1px 0 0; padding: 5px 8px; color: var(--accent); background: #eaf1f5; border-radius: 999px; font-size: 9px; font-weight: 650; }
.project-card h3, .project-panel h3 { margin: 18px 0 0; font-size: 20px; line-height: 1.2; letter-spacing: -.03em; }
.project-summary { min-height: 61px; margin: 8px 0 15px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.stack { min-height: 50px; margin: 0; padding: 0; display: flex; align-content: flex-start; flex-wrap: wrap; gap: 6px; list-style: none; }
.stack li { padding: 5px 8px; color: var(--accent); background: #edf3f7; border: 1px solid #d9e4eb; border-radius: 999px; font-size: 10px; line-height: 1; }
.project-outcome { margin: 16px 0 17px; padding-top: 14px; border-top: 1px solid var(--line); }
.project-outcome strong { display: block; margin-bottom: 5px; color: var(--ink); font-size: 11px; }
.project-outcome span { display: block; color: var(--muted); font-size: 12px; line-height: 1.5; }
.project-toggle { width: 100%; min-height: 36px; margin-top: auto; padding: 10px 0 0; display: flex; align-items: center; justify-content: space-between; color: var(--accent); background: transparent; border: 0; border-top: 1px solid var(--line); font-size: 12px; font-weight: 650; cursor: pointer; }
.project-toggle:focus-visible, .panel-close:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.project-panels { margin-top: 14px; }
.project-panel { padding: 24px; background: var(--surface); border: 1px solid #b9c8d2; border-radius: 10px; box-shadow: 0 16px 40px rgba(36, 59, 77, .07); }
.project-panel[hidden] { display: none; }
.project-panel-head { margin-bottom: 20px; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.project-panel-head .project-status { margin: 0; }
.project-panel-head h3 { margin-top: 9px; font-size: 24px; }
.panel-close { min-width: 58px; min-height: 36px; padding: 0 11px; color: var(--muted); background: var(--surface-soft); border: 1px solid var(--line); border-radius: 7px; font-size: 11px; cursor: pointer; }
.panel-close:hover { color: var(--accent); border-color: #aab9c3; }
.project-panel-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(250px, .75fr); gap: 26px; align-items: start; }
.project-figure { min-width: 0; margin: 0; padding: 10px; background: #eef2f4; border: 1px solid #dfe6ea; border-radius: 9px; }
.project-figure picture { display: block; width: 100%; }
.project-figure img { width: 100%; max-height: 520px; display: block; object-fit: contain; background: #e6ebee; border-radius: 6px; }
.project-figure figcaption { margin: 9px 2px 1px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.project-facts { margin: 0; }
.project-facts div { padding-top: 14px; margin-top: 14px; border-top: 1px solid var(--line); }
.project-facts div:first-child { padding-top: 0; margin-top: 0; border: 0; }
.project-facts dt { margin-bottom: 6px; color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.project-facts dd { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.58; }
.lower { padding: 50px 0 58px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 7vw; border-top: 1px solid var(--line); }
.lower h2 { margin: 9px 0 19px; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.check { padding: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.check strong { display: block; margin-bottom: 6px; font-size: 13px; }
.check span { display: block; color: var(--muted); font-size: 12px; line-height: 1.5; }
.about { padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.about > p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.about .contact-note { margin-top: 14px; color: var(--ink); }
.links { display: flex; flex-wrap: wrap; gap: 17px; margin-top: 22px; }
.links a { font-size: 12px; text-underline-offset: 3px; }
.links a:hover, .links a:focus-visible { color: var(--accent); }
footer { padding: 24px 0 34px; display: flex; justify-content: space-between; color: var(--muted); border-top: 1px solid var(--line); font-size: 9px; }
@media (max-width: 820px) {
  .site { width: min(100% - 36px, var(--max)); }
  .hero { min-height: 0; padding: 40px 0 34px; }
  .project-cards { grid-template-columns: 1fr; }
  .project-summary, .stack { min-height: 0; }
  .project-panel-grid { grid-template-columns: 1fr; }
  .lower { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .nav { min-height: 58px; }
  .brand span { display: none; }
  .nav nav { gap: 12px; }
  .nav nav a { font-size: 11px; }
  .nav nav a:nth-child(3) { display: none; }
  h1 { font-size: 38px; }
  .intro { font-size: 15px; }
  .section-head { align-items: start; flex-direction: column; gap: 9px; }
  .section-head > p { margin: 0; }
  .project-panel { padding: 16px; }
  .project-panel-head h3 { font-size: 21px; }
  .checks { grid-template-columns: 1fr; }
  footer { gap: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}