@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500&family=IBM+Plex+Mono:wght@400;500&family=Inter:wght@400;500&display=swap');

:root {
  --green: #1F3B2C;
  --egg: #FDFBF5;
  --egg-border: #E8E1CE;
  --tan: #F0E4C8;
  --tan-text: #C9A97E;
  --tan-dark: #6B5A3A;
  --ink: #26241E;
  --muted: #4A4A42;
  --muted-light: #8A8474;
  --card-title: #B0AA9B;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --font-voice: 'Fraunces', Georgia, serif;
  --max-width: 880px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--egg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- Nav ---------- */
.site-nav {
  background: var(--green);
  padding: 18px clamp(20px, 6vw, 60px);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-nav .name {
  color: var(--egg);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}
.site-nav .links { display: flex; gap: 28px; align-items: center; }
.site-nav .links > a {
  color: #9CB6A3;
  font-size: 13px;
  text-decoration: none;
}
.site-nav .links > a.active { color: var(--tan-text); font-weight: 500; }
.site-nav .links > a:hover { color: var(--egg); }

.nav-dropdown { position: relative; }
.nav-dropdown > a {
  background: none;
  border: none;
  color: #9CB6A3;
  font-size: 13px;
  font-family: var(--font-sans);
  text-decoration: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 0;
}
.nav-dropdown.active > a { color: var(--tan-text); font-weight: 500; }
.nav-dropdown:hover > a,
.nav-dropdown:focus-within > a { color: var(--egg); }
.nav-dropdown > a i { font-size: 14px; }
.nav-dropdown::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  min-width: 260px;
  height: 10px;
}
.nav-dropdown .menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--egg);
  border: 0.5px solid var(--egg-border);
  border-radius: 10px;
  padding: 8px;
  min-width: 260px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 20;
}
.nav-dropdown:hover .menu,
.nav-dropdown:focus-within .menu,
.nav-dropdown.pinned .menu { display: block; }
.nav-dropdown .menu a {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--ink);
  font-size: 13px;
  text-decoration: none;
  font-family: var(--font-mono);
}
.nav-dropdown .menu a:hover { background: var(--tan); }
.nav-dropdown .menu a.current { color: var(--green); font-weight: 500; }

/* ---------- Hero ---------- */
.hero {
  background: var(--green);
  padding: 64px 24px 56px;
  text-align: center;
}
.hero .eyebrow {
  font-family: var(--font-mono);
  color: var(--card-title);
  font-size: 13px;
  margin: 0 0 16px;
}
.hero h1 {
  font-family: var(--font-voice);
  color: #F3E9D2;
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 500;
  line-height: 1.25;
  max-width: 680px;
  margin: 0 auto;
}
.summary {
  max-width: 560px;
  margin: 28px auto 0;
  padding: 0 24px;
  text-align: center;
}
.summary p {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* ---------- Jump cards ---------- */
.jump-cards {
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 640px) {
  .jump-cards { grid-template-columns: 1fr; }
}
.jump-card {
  background: var(--green);
  border-radius: 12px;
  padding: 18px 20px;
  text-decoration: none;
  display: block;
  transition: transform 0.15s ease;
}
.jump-card:hover { transform: translateY(-2px); }
.jump-card .row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.jump-card .row i { font-size: 18px; color: var(--card-title); }
.jump-card .row span.title {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--card-title);
  font-size: 13.5px;
}
.jump-card p {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--tan-text);
  font-size: 12px;
  line-height: 1.5;
}

/* ---------- Section title bar ---------- */
.section-bar {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding: 0 24px;
}
.section-bar .bar {
  background: var(--green);
  border-radius: 12px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-bar .bar i { font-size: 19px; color: #F3E9D2; }
.section-bar .bar h2 {
  margin: 0;
  color: #F3E9D2;
  font-size: 18px;
  font-weight: 500;
}

.section-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 24px 8px;
}
.section-content > p.body-text {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 20px;
  max-width: 640px;
}

/* ---------- Section label + callout ---------- */
.section-label {
  font-family: var(--font-mono);
  color: var(--tan-dark);
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.tan-callout {
  background: var(--tan);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 0 0 20px;
}
.tan-callout p {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- Data tables ---------- */
.table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 0.5px solid var(--egg-border);
  margin-bottom: 8px;
}
table.data-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 640px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}
table.data-table th {
  background: var(--ink);
  color: var(--egg);
  text-align: left;
  font-weight: 500;
  padding: 12px 14px;
  white-space: nowrap;
}
table.data-table td {
  padding: 12px 14px;
  vertical-align: top;
  color: var(--ink);
  line-height: 1.55;
}
table.data-table tbody tr:nth-child(odd) { background: #FFFFFF; }
table.data-table tbody tr:nth-child(even) { background: #F2EEE3; }
table.data-table td.num { text-align: center; font-weight: 500; white-space: nowrap; }
table.data-table ul { margin: 0; padding-left: 16px; }
table.data-table li { margin-bottom: 4px; }

details.expand-table {
  margin-bottom: 8px;
}
details.expand-table > summary {
  cursor: pointer;
  list-style: none;
  background: var(--tan);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}
details.expand-table > summary::-webkit-details-marker { display: none; }
details.expand-table > summary i { font-size: 15px; transition: transform 0.15s ease; }
details.expand-table[open] > summary i { transform: rotate(90deg); }
details.expand-table .table-wrap { margin-top: 10px; }

/* ---------- Testing figure grid ---------- */
.figure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}
.figure-grid .figure.wide { grid-column: 1 / -1; }
@media (max-width: 640px) { .figure-grid { grid-template-columns: 1fr; } }

/* ---------- Tan info boxes ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.stat-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 640px) {
  .stat-grid, .stat-grid.cols-4 { grid-template-columns: 1fr 1fr; }
}
.stat-box {
  background: var(--tan);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat-box .label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--tan-dark);
  margin: 0 0 6px;
}
.stat-box .value {
  font-size: 19px;
  font-weight: 500;
  color: var(--green);
  margin: 0;
}
.stat-box.center { text-align: center; }

.list-rows { display: flex; flex-direction: column; gap: 8px; }
.list-row {
  display: flex;
  justify-content: space-between;
  background: var(--tan);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.list-row .item { color: var(--ink); }
.list-row .price { color: var(--tan-dark); }

.chip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 640px) { .chip-grid { grid-template-columns: 1fr; } }
.chip {
  background: var(--tan);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  color: var(--ink);
  font-size: 13px;
}

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-family: var(--font-mono);
  background: var(--tan);
  color: var(--ink);
  font-size: 12.5px;
  padding: 7px 14px;
  border-radius: 8px;
}
.tag.pill { border-radius: 16px; }

.risk-card {
  background: var(--tan);
  border-radius: 10px;
  padding: 14px 16px;
}
.risk-card .title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--green);
  font-size: 13.5px;
}
.risk-card .desc {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--tan-dark);
  font-size: 12.5px;
}

.figure {
  background: var(--tan);
  border-radius: 12px;
  overflow: hidden;
  margin: 0 0 20px;
}
.figure img { display: block; width: 100%; height: auto; }
.figure figcaption {
  font-family: var(--font-mono);
  color: var(--tan-dark);
  font-size: 12px;
  padding: 12px 16px;
  margin: 0;
}

/* ---------- Keywords footer ---------- */
.keywords {
  max-width: var(--max-width);
  margin: 24px auto 0;
  padding: 24px 24px 56px;
}
.keywords .label {
  font-family: var(--font-mono);
  color: var(--muted-light);
  font-size: 12px;
  margin: 0 0 12px;
}

/* ---------- Project card (index page) ---------- */
.project-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8px 24px 64px;
  display: grid;
  gap: 16px;
}
@media (max-width: 640px) {
  .project-grid { grid-template-columns: 1fr !important; }
}
.project-card {
  display: block;
  text-decoration: none;
  background: var(--tan);
  border-radius: 14px;
  padding: 24px 26px;
}
.project-card .kicker {
  font-family: var(--font-mono);
  color: var(--tan-dark);
  font-size: 12px;
  margin: 0 0 8px;
}
.project-card h2 {
  font-family: var(--font-voice);
  color: var(--green);
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 8px;
}
.project-card p {
  font-family: var(--font-mono);
  color: var(--ink);
  font-size: 13.5px;
  line-height: 1.6;
  margin: 0;
  max-width: 560px;
}

.stub {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px;
  text-align: center;
}
.stub p {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 14px;
}

/* ---------- Under development notice ---------- */
.under-dev {
  max-width: 520px;
  margin: 48px auto 72px;
  padding: 0 24px;
  text-align: center;
}
.under-dev i {
  font-size: 34px;
  color: var(--tan-dark);
  margin-bottom: 16px;
  display: inline-block;
}
.under-dev h2 {
  font-family: var(--font-voice);
  color: var(--green);
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 12px;
}
.under-dev p {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 24px;
}
.under-dev a.back {
  display: inline-block;
  font-family: var(--font-mono);
  background: var(--green);
  color: #F3E9D2;
  font-size: 13px;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
}

/* ---------- 404 page ---------- */
.error-page {
  max-width: 520px;
  margin: 56px auto 80px;
  padding: 0 24px;
  text-align: center;
}
.error-page .code {
  font-family: var(--font-voice);
  color: var(--green);
  font-size: 72px;
  font-weight: 500;
  margin: 0;
  line-height: 1;
}
.error-page h2 {
  font-family: var(--font-sans);
  color: var(--ink);
  font-size: 18px;
  font-weight: 500;
  margin: 16px 0 12px;
}
.error-page p {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 24px;
}
.error-page a.back {
  display: inline-block;
  font-family: var(--font-mono);
  background: var(--green);
  color: #F3E9D2;
  font-size: 13px;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
}

/* ---------- Download box ---------- */
.download-box {
  max-width: var(--max-width);
  margin: 8px auto 56px;
  padding: 0 24px;
}
.download-box .inner {
  background: var(--green);
  border-radius: 12px;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.download-box .text p.title {
  margin: 0 0 4px;
  font-family: var(--font-sans);
  color: #F3E9D2;
  font-size: 15px;
  font-weight: 500;
}
.download-box .text p.desc {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--card-title);
  font-size: 12.5px;
}
.download-box a.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--tan);
  color: var(--green);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  white-space: nowrap;
}
.download-box a.dl-btn i { font-size: 16px; }

/* ---------- About page ---------- */
.about-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px;
  border-top: 1px solid var(--egg-border);
}
.about-section:first-of-type { border-top: none; }
.about-bio {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 640px) {
  .about-bio { grid-template-columns: 1fr; }
}
.about-bio img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 12px;
  background: var(--tan);
}
.about-section h2 {
  font-family: var(--font-voice);
  color: var(--green);
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 14px;
}
.about-section p.body-copy {
  font-family: var(--font-mono);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 14px;
}
.linkedin-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid var(--tan-text);
  padding-bottom: 2px;
}

:focus-visible {
  outline: 2px solid var(--tan-text);
  outline-offset: 2px;
}

html { scroll-behavior: smooth; }