/* ============================================================
   MINIMAL PORTFOLIO — SHARED STYLESHEET
   Black & white, sans-serif, generous whitespace.
   Edit --gap / --maxw below to adjust overall density and width.
   ============================================================ */

:root {
  --ink: #141414;
  --paper: #ffffff;
  --dim: #6b6b6b;
  --line: #e3e3e3;
  --maxw: 720px;
  --gap: 96px;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --sidebar-w: 230px;
  --sidebar-bg: #0c0c0c;
  --sidebar-text: #f2f2f2;
  --sidebar-dim: #9a9a9a;
  --blue: #2e5eaa;
  --blue-dark: #1f4173;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- top nav ---------- */
header.site-nav {
  background: var(--sidebar-bg);
  border-bottom: 1px solid #222;
}
header.site-nav .wrap {
  max-width: 880px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding: 18px 24px;
}
.site-nav .brand {
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  letter-spacing: -0.01em;
  color: var(--sidebar-text);
}
.site-nav .brand-email {
  display: none;
}
.site-nav nav {
  display: flex;
  flex-direction: row;
  gap: 22px;
  flex-wrap: wrap;
}
.site-nav nav a {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--sidebar-dim);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.site-nav nav a:hover,
.site-nav nav a[aria-current="page"] {
  color: var(--sidebar-text);
  border-bottom-color: var(--blue);
}
.nav-toggle { display: none; }

@media (max-width: 640px) {
  header.site-nav .wrap {
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding: 14px 0 14px 24px;
  }
  .site-nav .brand {
    flex-shrink: 0;
  }
  .site-nav nav {
    flex: 1;
    min-width: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 20px;
    padding-right: 24px;
  }
  .site-nav nav::-webkit-scrollbar { display: none; }
  .site-nav nav a {
    flex-shrink: 0;
    white-space: nowrap;
  }
}

/* ---------- page shell ---------- */
main {
  padding: var(--gap) 0 120px;
}
main .wrap + .wrap { margin-top: var(--gap); }

/* ---------- typography ---------- */
h1.page-title {
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 14px;
}
p.lede {
  font-size: 18px;
  color: var(--dim);
  max-width: 56ch;
  line-height: 1.6;
  margin-bottom: 0;
}
h2.section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dim);
  margin-bottom: 28px;
}
.body-text p { font-size: 16px; color: var(--ink); max-width: 62ch; margin-bottom: 18px; }
.body-text p:last-child { margin-bottom: 0; }

hr.rule { border: none; border-top: 1px solid var(--line); margin: var(--gap) 0; }

/* ---------- buttons / links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  padding: 12px 20px;
  border: 1px solid var(--blue);
  color: var(--blue-dark);
}
.btn.filled { background: var(--blue); color: #ffffff; border-color: var(--blue); }
.btn:hover.filled { background: var(--blue-dark); }
.btn:hover:not(.filled) { background: var(--blue); color: #ffffff; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

.text-link {
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--blue-dark);
}

/* ---------- list rows (experience / education) ---------- */
.row-list { display: flex; flex-direction: column; }
.row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.row-list .row:first-child { border-top: none; padding-top: 0; }
@media (max-width: 600px) {
  .row { grid-template-columns: 1fr; gap: 6px; }
}
.row .meta { font-size: 13px; color: var(--dim); padding-top: 3px; }
.row .role { font-size: 17px; font-weight: 600; margin-bottom: 2px; }
.row .org { font-size: 14.5px; color: var(--dim); margin-bottom: 12px; }
.row ul { margin: 0; padding-left: 18px; }
.row li { font-size: 15px; color: var(--ink); margin-bottom: 6px; line-height: 1.55; }
.row li:last-child { margin-bottom: 0; }

/* ---------- project list (image cards) ---------- */
.project-list { display: flex; flex-direction: column; }
.project-card {
  display: flex;
  gap: 26px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
.project-list .project-card:first-child { border-top: none; padding-top: 0; }
.project-card .thumb {
  width: 200px;
  height: 150px;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.project-card .placeholder-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 11px;
  color: var(--dim);
  text-align: center;
  border-style: dashed;
}
.project-card .content { flex: 1; min-width: 0; }
.project-card .top-line { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.project-card .title { font-size: 19px; font-weight: 600; }
.project-card .year { font-size: 13px; color: var(--dim); white-space: nowrap; }
.project-card .desc { font-size: 15px; color: var(--dim); margin-top: 8px; }
.project-card .tags { margin-top: 12px; font-size: 12.5px; color: var(--dim); }

@media (max-width: 600px) {
  .project-card { flex-direction: column; }
  .project-card .thumb { width: 100%; height: 200px; }
  .project-card .thumb.tall { height: 260px; }
}
.project-card .thumb.tall { height: 260px; }

/* ---------- education card ---------- */
.edu-entry { padding: 30px 0; border-top: 1px solid var(--line); }
.edu-entry:first-child { border-top: none; padding-top: 0; }
.edu-entry .school { font-size: 19px; font-weight: 600; margin-bottom: 2px; }
.edu-entry .deg { font-size: 15px; color: var(--dim); margin-bottom: 10px; }
.edu-entry .meta { font-size: 13px; color: var(--dim); }

.course-list { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 16px; }
.course-list span { font-size: 14px; color: var(--ink); position: relative; padding-left: 14px; }
.course-list span::before { content: ""; position: absolute; left: 0; top: 8px; width: 5px; height: 5px; background: var(--blue); border-radius: 50%; }

.term-list { margin-top: 30px; display: flex; flex-direction: column; gap: 26px; }
.term-block h4 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.term-block ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.term-block li { font-size: 14.5px; color: var(--ink); position: relative; padding-left: 14px; }
.term-block li::before { content: ""; position: absolute; left: 0; top: 8px; width: 5px; height: 5px; background: var(--blue); border-radius: 50%; }
.term-block.placeholder h4 { color: var(--dim); }
.term-block.placeholder p { font-size: 13.5px; color: var(--dim); font-style: italic; }

/* ---------- footer ---------- */
footer.site-foot {
  border-top: 1px solid var(--line);
  padding: 36px 0;
}
footer.site-foot .wrap {
  max-width: 880px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--dim);
}
footer.site-foot a { text-decoration: none; }
footer.site-foot a:hover { color: var(--blue-dark); }
.foot-links { display: flex; gap: 20px; }

/* ---------- grouped experience (company header + nested roles) ---------- */
.company-list { display: flex; flex-direction: column; }
.company-group { padding: 30px 0; border-top: 1px solid var(--line); }
.company-list .company-group:first-child { border-top: none; padding-top: 0; }
.company-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 4px 12px; }
.company-head .company-name { font-size: 17px; font-weight: 700; }
.company-head .company-loc { font-size: 13px; color: var(--dim); }
.role-item {
  margin-top: 18px;
  padding-left: 20px;
  border-left: 2px solid var(--line);
}
.role-item + .role-item { margin-top: 22px; }
.role-item .role-title { font-size: 15px; font-weight: 600; margin-bottom: 2px; }
.role-item .role-dates { font-size: 13px; color: var(--blue-dark); margin-bottom: 8px; }
.role-item ul { margin: 0; padding-left: 18px; }
.role-item li { font-size: 14px; line-height: 1.6; color: var(--dim); margin-bottom: 5px; }
.role-item li.tbd { list-style: none; margin-left: -18px; font-style: italic; color: var(--dim); }
.sheet-box {
  border: 1px solid var(--line);
  margin-top: 28px;
  background: #f4f4f4;
}
.pdf-frame iframe {
  display: block;
  width: 100%;
  height: 720px;
  border: none;
}
.pdf-mobile-open { display: none; }
@media (max-width: 700px) {
  .sheet-box.pdf-frame { display: none; }
  .pdf-mobile-open {
    display: block;
    margin-top: 28px;
    text-align: center;
    border: 1px solid var(--line);
    padding: 36px 20px;
  }
  .pdf-mobile-hint {
    margin-top: 12px;
    font-size: 13px;
    color: var(--dim);
  }
}
.intro-block { text-align: center; }
.intro-block h1.page-title { margin-bottom: 6px; }
.intro-block .intro-loc { font-size: 16px; color: var(--dim); margin-bottom: 22px; }
.intro-block .intro-line { font-size: 15px; margin-bottom: 10px; }
.intro-block .intro-line a { color: var(--blue-dark); text-decoration: none; }
.intro-block .intro-line a:hover { text-decoration: underline; }
.intro-block .intro-line:last-of-type { margin-bottom: 0; }

.photo-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin: 44px 0;
  flex-wrap: wrap;
}
.photo-box {
  width: 300px;
  height: 340px;
  border: 1px solid var(--line);
  object-fit: cover;
  display: block;
}
.photo-box.placeholder {
  border-style: dashed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  color: var(--dim);
  padding: 16px;
}