@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;800&family=Inter:wght@400;500;600;700;800&family=Bodoni+Moda:opsz,wght@6..96,400&display=swap');

:root {
  --bg: #eae9e0;
  --panel: #f4f4ec;
  --panel-strong: #f9f9f2;
  --ink: #111811;
  --muted: #536050;
  --line: rgba(28,42,30,0.13);
  --green: #2e6b3f;
  --green-soft: #dde9cd;
  --dark: #080f09;
  --on-dark: #f0f0e8;
  --on-dark-muted: rgba(240,240,232,0.54);
  --on-dark-line: rgba(255,255,255,0.08);
  --green-bright: #56bb6e;
  --blue: #315c75;
  --gold: #9e7132;
  --plum: #7256a8;
  --radius: 4px;
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-logo: Didot, 'Bodoni Moda', 'Bodoni 72', 'Bodoni MT', Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--font-body); -webkit-font-smoothing: antialiased; }
a { color: var(--green); text-decoration: none; }
h1,h2,h3,p { margin-top: 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

.csv-bar {
  position: sticky; top: 0; z-index: 200;
  background: var(--dark); border-bottom: 1px solid var(--on-dark-line);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 56px; font-family: var(--font-body);
}
.csv-brand {
  font-weight: 700; font-size: 13.5px; letter-spacing: .02em;
  color: var(--on-dark); display: flex; align-items: center; gap: 10px;
}
.csv-mark { width: 28px; height: 24px; color: var(--on-dark); overflow: visible; flex: none; }
.csv-nav { display: flex; gap: 0; }
.csv-nav a {
  font-weight: 500; font-size: 12.5px; color: var(--on-dark-muted);
  padding: 7px 14px; border-radius: 3px; white-space: nowrap; letter-spacing: .02em;
}
.csv-nav a:hover, .csv-nav a.active { color: var(--on-dark); }
.csv-nav a.active { font-weight: 700; }

.page-hero { background: var(--dark); padding: 82px 0 74px; border-bottom: 1px solid var(--on-dark-line); }
.hero-eyebrow {
  font: 700 10.5px/1 var(--font-body); letter-spacing: .18em;
  text-transform: uppercase; color: var(--green-bright); margin-bottom: 22px;
}
.page-hero h1 {
  font-family: var(--font-display); font-size: clamp(42px,6vw,70px);
  line-height: 1.04; letter-spacing: -.01em; color: var(--on-dark);
  max-width: 800px; margin: 0 0 20px;
}
.page-hero .lead { color: var(--on-dark-muted); font-size: 17px; line-height: 1.75; max-width: 680px; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 34px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 9px; padding: 12px 22px;
  border-radius: var(--radius); background: var(--green); color: #fff;
  font: 700 13px/1 var(--font-body); letter-spacing: .02em;
}
.txt-link { display: inline-flex; align-items: center; gap: 8px; color: var(--on-dark-muted); font: 600 13px/1 var(--font-body); }
.txt-link:hover { color: var(--on-dark); }

.tabbar { position: sticky; top: 56px; z-index: 100; height: 52px; background: rgba(234,233,224,0.94); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 24px; padding: 0 32px; }
.tabbar a { height: 52px; display: inline-flex; align-items: center; position: relative; color: var(--muted); font-size: 13px; font-weight: 650; }
.tabbar a.active { color: var(--green); }
.tabbar a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--green); }

.experience-switch {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  margin-bottom: 34px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.experience-switch button {
  appearance: none;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: 700 13px/1 var(--font-body);
  letter-spacing: .01em;
  padding: 11px 18px;
}
.experience-switch button.active {
  background: var(--dark);
  color: var(--on-dark);
}
.experience-panel { display: none; }
.experience-panel.active { display: block; }
.panel-intro {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 44px;
  align-items: start;
  margin-bottom: 34px;
}
.panel-intro h2 { margin-bottom: 0; }
.panel-intro p { margin: 0; }

.section { padding: 76px 0; border-bottom: 1px solid var(--line); }
.section-label { display: flex; align-items: center; gap: 14px; margin-bottom: 34px; }
.section-label::before { content: ''; flex: 0 0 28px; height: 1px; background: var(--ink); }
.section-label span { font: 700 10.5px/1 var(--font-body); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.section h2 { font-family: var(--font-display); font-size: clamp(28px,4vw,44px); line-height: 1.1; letter-spacing: -.01em; margin-bottom: 20px; }
.body-text { color: var(--muted); max-width: 730px; font-size: 15.5px; line-height: 1.75; }

.grid { display: grid; gap: 14px; }
.grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { font-family: var(--font-display); font-size: 20px; margin: 0 0 8px; }
.card p, .card li { color: var(--muted); font-size: 14px; line-height: 1.65; }
.card ul { padding-left: 18px; margin: 12px 0 0; }
.card.strong { background: var(--panel-strong); }
.meta { font: 800 10.5px/1 var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--green); margin-bottom: 10px; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.tag { font: 800 10px/1 var(--font-body); letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px; border-radius: var(--radius); background: var(--green-soft); color: #294323; }

.portfolio-row { display: grid; grid-template-columns: 64px 1fr auto; gap: 28px; align-items: start; padding: 34px 0; border-top: 1px solid var(--line); color: inherit; }
.portfolio-row:last-child { border-bottom: 1px solid var(--line); }
.portfolio-row:hover h2 { color: var(--green); }
.row-number { font-family: var(--font-display); font-size: 36px; color: rgba(28,42,30,.16); line-height: 1; }
.portfolio-row h2 { margin: 0 0 10px; font-family: var(--font-display); font-size: clamp(26px,3vw,38px); line-height: 1.1; }
.portfolio-row p { margin: 0; color: var(--muted); max-width: 620px; }
.arrow { font-size: 24px; color: var(--green); padding-top: 8px; }

.project-hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 760px) { .project-hero-grid { grid-template-columns: 1fr 280px; } }
.phone { border-radius: 22px; overflow: hidden; border: 1px solid var(--on-dark-line); box-shadow: 0 24px 64px rgba(0,0,0,.4); }
.phone img { width: 100%; display: block; }
.viz-card { min-height: 230px; border: 1px solid var(--on-dark-line); border-radius: var(--radius); background: rgba(255,255,255,.05); color: var(--on-dark); display: grid; place-items: center; text-align: center; padding: 24px; }
.viz-card strong { display: block; font-family: var(--font-display); font-size: 30px; line-height: 1.05; margin-bottom: 8px; }
.viz-card span { color: var(--on-dark-muted); font-size: 13px; }
.project-kicker { color: var(--green); font: 800 11px/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 10px; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.case-card { background: var(--panel); padding: 26px; }
.case-card h3 { font-family: var(--font-display); font-size: 20px; margin: 0 0 8px; }
.case-card p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0; }
.detail-list { border-top: 1px solid var(--line); }
.detail-list details { border-bottom: 1px solid var(--line); }
.detail-list summary { display: flex; justify-content: space-between; gap: 20px; cursor: pointer; list-style: none; padding: 22px 0; font-weight: 700; color: var(--ink); }
.detail-list summary::-webkit-details-marker { display: none; }
.detail-list summary::after { content: '+'; color: var(--green); font-weight: 800; }
.detail-list details[open] summary::after { content: '-'; }
.detail-list p { color: var(--muted); font-size: 14.5px; line-height: 1.75; max-width: 760px; margin: 0; padding: 0 0 24px; }
footer { background: var(--dark); padding: 48px 0 40px; color: var(--on-dark-muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-inner a { color: var(--on-dark-muted); }
.footer-inner a:hover { color: var(--on-dark); }

@media (max-width: 720px) {
  .csv-bar { padding: 0 18px; }
  .csv-brand span { display: none; }
  .csv-nav a { padding: 7px 8px; }
  .tabbar { overflow-x: auto; padding: 0 18px; gap: 18px; }
  .wrap { padding: 0 22px; }
  .grid.two, .grid.three, .grid.four, .case-grid, .panel-intro { grid-template-columns: 1fr; }
  .experience-switch { display: flex; width: 100%; }
  .experience-switch button { flex: 1; }
  .portfolio-row { grid-template-columns: 1fr auto; gap: 12px; }
  .row-number { display: none; }
}