/* Dani Weidner portfolio, Concept B: the operating record */
:root {
  --bg: #0b0b0c;
  --surface: #121214;
  --surface-2: #18181b;
  --line: #232326;
  --line-2: #3a3a3f;
  --text: #ededed;
  --text-2: #bdbdc2;
  --text-3: #a9a9af;
  --green: #74a58c;
  --blue: #7ea7c9;
  --amber: #d99f43;
  --mauve: #b07fa6;
  --coral: #cf6a5c;
  --sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;
  --r-out: 4px;
  --r-in: 2px;
  --gutter: 32px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:hover { color: var(--amber); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px; }
img, svg { max-width: 100%; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.015em; }
p { margin: 0; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: var(--r-out); z-index: 10; }
.skip:focus { left: 8px; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.07em; text-transform: uppercase; color: var(--text-3); }
.muted { color: var(--text-2); }

/* ---------- top bar ---------- */
.topbar { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(11, 11, 12, 0.92); backdrop-filter: blur(8px); z-index: 5; }
.topbar .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 600; font-size: 16px; }
.brand-mark { width: 32px; height: 32px; border: 1px solid var(--text); border-radius: var(--r-out); display: inline-flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 12px; font-weight: 500; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--text-2); padding: 10px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.nav a[aria-current="page"] { box-shadow: inset 0 -1px 0 var(--text); }
.status-pill { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: var(--r-out); text-decoration: none; font-size: 14px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; flex: none; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: var(--r-out); text-decoration: none; font-size: 15px; font-weight: 500; border: 1px solid var(--line-2); background: transparent; color: var(--text); font-family: inherit; cursor: pointer; }
.btn:hover { border-color: var(--text); color: var(--text); }
.btn--primary { background: var(--text); color: var(--bg); border-color: var(--text); font-weight: 600; }
.btn--primary:hover { background: #fff; color: var(--bg); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- sections ---------- */
.section { padding: 0 0 104px; }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 8px 24px; margin-bottom: 24px; }
.section-head h2 { font-size: 28px; }
.section-head p { color: var(--text-3); font-size: 15px; max-width: 560px; }

/* ---------- hero ---------- */
.hero { padding: 88px 0 72px; }
.hero .wrap { display: flex; flex-wrap: wrap; gap: 48px; align-items: flex-end; }
.hero-main { flex: 999 1 560px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.hero h1 { font-size: clamp(40px, 5.4vw, 74px); line-height: 1.02; letter-spacing: -0.035em; }
.hero-lede { font-size: 19px; color: var(--text-2); max-width: 640px; }
.scope-card { flex: 1 1 340px; min-width: 0; border: 1px solid var(--line); border-radius: var(--r-out); background: var(--surface); padding: 20px 22px; }
.scope-card dl { margin: 14px 0 0; }
.scope-row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 15px; }
.scope-row dt { color: var(--text-3); }
.scope-row dd { margin: 0; text-align: right; }

/* ---------- demos ---------- */
.demo-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.demo-tab { min-height: 44px; padding: 0 16px; border-radius: var(--r-out); font: inherit; font-size: 15px; cursor: pointer; background: transparent; color: var(--text); border: 1px solid var(--line-2); }
.demo-tab:hover { border-color: var(--text); }
.demo-tab[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); font-weight: 600; }
.demo-panel { border: 1px solid var(--line); border-radius: var(--r-out); background: var(--surface); display: flex; flex-wrap: wrap; }
.demo-panel[hidden] { display: none; }
.demo-panel .demo-stage { flex: 999 1 640px; min-width: 0; padding: 20px; }
.demo-panel .demo-copy { flex: 1 1 300px; min-width: 0; padding: 28px; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px; }
.demo-panel .demo-copy h3 { font-size: 23px; line-height: 1.2; }
.demo-panel .demo-copy p { color: var(--text-2); font-size: 16px; }
.demo-panel .btn-row { margin-top: auto; padding-top: 8px; }
.demo-kind { font-family: var(--mono); font-size: 12px; letter-spacing: 0.07em; text-transform: uppercase; }
@media (max-width: 960px) { .demo-panel .demo-copy { border-left: 0; border-top: 1px solid var(--line); } }

.demo { position: relative; background: #0d0e18; aspect-ratio: 16 / 9; border-radius: var(--r-out); overflow: hidden; line-height: 0; }
.demo iframe { display: block; width: 100%; height: 100%; border: 0; }
.demo--fixed iframe { position: absolute; top: 0; left: 0; transform-origin: 0 0; }
.demo-cap { margin-top: 12px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); line-height: 1.7; }
.demo-cap a { white-space: nowrap; }

/* ---------- work cards ---------- */
.work-list { display: flex; flex-direction: column; gap: 16px; }
.work-card { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); border: 1px solid var(--line); border-radius: var(--r-out); background: var(--surface); text-decoration: none; overflow: hidden; transition: border-color 0.2s; }
.work-card:hover { border-color: var(--line-2); color: var(--text); }
.work-card:hover .work-go { color: var(--amber); }
.work-thumb { background: #0a0a0a; padding: 20px; display: flex; align-items: center; border-right: 1px solid var(--line); }
.work-thumb svg { width: 100%; height: auto; display: block; }
.work-body { padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.work-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.work-meta .accent { font-weight: 500; }
.work-body h3 { font-size: 25px; line-height: 1.18; letter-spacing: -0.02em; }
.work-body p { color: var(--text-2); font-size: 16px; }
.ledger { display: grid; grid-template-columns: max-content 1fr; gap: 8px 14px; margin: 4px 0 0; padding-top: 14px; border-top: 1px solid var(--line); font-size: 15px; }
.ledger dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); padding-top: 3px; }
.ledger dd { margin: 0; }
.work-go { margin-top: auto; font-size: 15px; font-weight: 500; }
@media (max-width: 900px) {
  .work-card { grid-template-columns: 1fr; }
  .work-thumb { border-right: 0; border-bottom: 1px solid var(--line); }
}

.also-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.also-card { border: 1px solid var(--line); border-radius: var(--r-out); padding: 24px; text-decoration: none; display: flex; flex-direction: column; gap: 12px; }
.also-card:hover { border-color: var(--line-2); color: var(--text); }
.also-card h3 { font-size: 20px; line-height: 1.25; }
.also-card p { color: var(--text-2); font-size: 15px; }
.also-card .work-go { font-size: 14px; }

/* ---------- practice panels ---------- */
.panel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.panel { border: 1px solid var(--line); border-radius: var(--r-out); padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.panel h3 { font-size: 18px; }
.panel p { color: var(--text-2); font-size: 15px; }

/* ---------- index table ---------- */
.table-box { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-out); }
table.index { width: 100%; min-width: 820px; border-collapse: collapse; font-size: 15px; }
table.index th { text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; font-weight: 500; color: var(--text-3); padding: 14px 16px; border-bottom: 1px solid var(--line); text-transform: uppercase; }
table.index td { padding: 15px 16px; border-bottom: 1px solid #1b1b1e; vertical-align: top; }
table.index tr:last-child td { border-bottom: 0; }
table.index td a { font-weight: 600; text-decoration: none; }
table.index td a:hover { text-decoration: underline; }
.st { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; white-space: nowrap; }
.st--shipped { color: var(--green); }
.st--progress { color: var(--amber); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); }
.site-footer .wrap { padding-top: 64px; padding-bottom: 64px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 32px; }
.site-footer .cta { font-size: 32px; font-weight: 600; letter-spacing: -0.02em; }
.site-footer .sub { color: var(--text-2); font-size: 16px; margin-top: 10px; }

/* ---------- case pages ---------- */
.case { padding: 56px 0 104px; }
.case .wrap { display: flex; flex-wrap: wrap; gap: 56px; align-items: flex-start; }
.rail { flex: 1 1 250px; min-width: 0; position: sticky; top: 92px; display: flex; flex-direction: column; gap: 18px; font-size: 15px; }
.rail .back { font-family: var(--mono); font-size: 12px; letter-spacing: 0.07em; color: var(--text-3); text-decoration: none; }
.rail-item { display: flex; flex-direction: column; gap: 4px; padding-top: 14px; border-top: 1px solid var(--line); }
.rail-item .eyebrow { font-size: 11px; }
.rail nav { display: flex; flex-direction: column; gap: 2px; padding-top: 14px; border-top: 1px solid var(--line); }
.rail nav a { text-decoration: none; color: var(--text-2); padding: 5px 0; }
.rail nav a:hover { color: var(--text); }
@media (max-width: 960px) {
  .rail { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
  .rail .back { grid-column: 1 / -1; }
  .rail nav { display: none; }
}

.case-main { flex: 999 1 640px; min-width: 0; display: flex; flex-direction: column; gap: 64px; }
.case-head { display: flex; flex-direction: column; gap: 20px; }
.case-head h1 { font-size: clamp(36px, 4.4vw, 58px); line-height: 1.04; letter-spacing: -0.03em; }
.case-head .dek { font-size: 19px; color: var(--text-2); max-width: 720px; }

.minute { border: 1px solid var(--line); border-radius: var(--r-out); background: var(--surface); padding: 26px 28px; display: flex; flex-direction: column; gap: 4px; }
.minute h2 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.07em; font-weight: 500; color: var(--text-3); text-transform: uppercase; margin-bottom: 8px; }
.minute-row { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 17px; }
.minute-row:first-of-type { border-top: 0; }
.minute-row .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--text-3); padding-top: 4px; text-transform: uppercase; }
@media (max-width: 600px) { .minute-row { grid-template-columns: 1fr; gap: 4px; } }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.stat { border: 1px solid var(--line); border-radius: var(--r-out); padding: 20px; display: flex; flex-direction: column; gap: 8px; }
.stat .tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.stat .tag--result { color: var(--green); }
.stat .n { font-size: 36px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; }
.stat .n--text { font-size: 19px; line-height: 1.3; letter-spacing: -0.01em; }
.stat .d { font-size: 14px; color: var(--text-2); }

.decisions { display: flex; flex-direction: column; gap: 56px; }
.decisions > h2, .case-section > h2 { font-size: 28px; }
.decision { display: flex; flex-direction: column; gap: 14px; padding-top: 28px; border-top: 1px solid var(--line); }
.decision .num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.07em; color: var(--text-3); text-transform: uppercase; }
.decision h3 { font-size: 23px; line-height: 1.25; }
.decision p { font-size: 17px; max-width: 760px; }
.decision .tradeoff { font-size: 16px; color: var(--text-2); }
.decision .tradeoff strong { color: var(--text); font-weight: 600; }
.decision blockquote { margin: 4px 0 0; padding: 4px 0 4px 18px; border-left: 2px solid var(--line-2); font-size: 18px; color: var(--text); max-width: 720px; }
.decision blockquote cite { display: block; margin-top: 8px; font-style: normal; font-family: var(--mono); font-size: 11px; letter-spacing: 0.07em; color: var(--text-3); text-transform: uppercase; }
.fig { margin: 8px 0 0; }
.fig svg { width: 100%; height: auto; display: block; border-radius: var(--r-out); }
.fig figcaption { margin-top: 12px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em; color: var(--text-3); text-transform: uppercase; }

.case-section { display: flex; flex-direction: column; gap: 18px; }
.case-section > p { font-size: 17px; color: var(--text-2); max-width: 760px; }
.ai-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }

.todo { border: 1px dashed var(--amber); border-radius: var(--r-out); padding: 16px 18px; color: var(--amber); font-family: var(--mono); font-size: 13px; letter-spacing: 0.03em; }
.todo-inline { color: var(--amber); font-family: var(--mono); font-size: 13px; }

.next-case { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 24px; border: 1px solid var(--line-2); border-radius: var(--r-out); text-decoration: none; }
.next-case:hover { border-color: var(--text); color: var(--text); }
.next-case .t { font-size: 20px; font-weight: 600; }

/* ---------- about ---------- */
.about-head { padding: 72px 0 56px; }
.about-head .wrap { display: flex; flex-wrap: wrap; gap: 48px; align-items: flex-start; }
.about-intro { flex: 999 1 560px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.about-intro h1 { font-size: clamp(36px, 4.6vw, 60px); line-height: 1.04; letter-spacing: -0.03em; }
.about-intro p { font-size: 18px; color: var(--text-2); max-width: 680px; }
.about-intro p strong { color: var(--text); font-weight: 600; }
.portrait { flex: 1 1 260px; max-width: 340px; min-width: 0; }
.portrait img { width: 100%; height: auto; display: block; border-radius: var(--r-out); filter: grayscale(1); }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); border: 1px solid var(--line); border-radius: var(--r-out); }
.fact { padding: 18px 20px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; font-size: 15px; }
.fact:last-child { border-right: 0; }
.role { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr); gap: 32px; padding: 36px 0; border-top: 1px solid var(--line); }
.role-side { display: flex; flex-direction: column; gap: 6px; }
.role-side .co { font-size: 22px; font-weight: 600; }
.role-side .title { color: var(--text); }
.role-side .when { font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em; color: var(--text-3); }
.role-body > p { color: var(--text-2); margin-bottom: 16px; }
.points { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.points li { position: relative; padding-left: 20px; color: var(--text-3); font-size: 16px; }
.points li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 1px; background: var(--line-2); }
.points li strong { color: var(--text); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; padding: 6px 9px; border: 1px solid var(--line-2); border-radius: var(--r-in); color: var(--text-2); }
@media (max-width: 800px) { .role { grid-template-columns: 1fr; gap: 16px; } .fact { border-right: 0; border-bottom: 1px solid var(--line); } }

@media (max-width: 640px) {
  :root { --gutter: 20px; }
  body { font-size: 16px; }
  .hero { padding: 56px 0 56px; }
  .section { padding-bottom: 80px; }
  .work-body, .demo-panel .demo-copy { padding: 22px; }
  .demo-panel .demo-stage { padding: 12px; }
  .status-pill { display: none; }
  .site-footer .cta { font-size: 26px; }
}