/* Ryan Allen portfolio
   Type: Barlow Semi Condensed (a DIN-style industrial grotesque) for headings and UI,
   Source Serif 4 for reading and math. Palette: drafting-film white, navy ink, safety orange. */

:root {
  color-scheme: light;
  --paper: #F5F7F9;
  --surface: #FFFFFF;
  --ink: #13233A;
  --ink-2: #4A5767;
  --ink-3: #5F6B7A;
  --rule: #D5DCE4;
  --rule-soft: #E7ECF1;
  --signal: #D9530E;
  --signal-text: #B5440A;
  --focus: #1F6FD1;

  --map-bg: #EEF2F5;
  --map-bld: #DBE1E8;
  --map-road: #FFFFFF;
  --map-road-major: #C6CFD9;
  --map-green: #DEE9DC;
  --lot: #BCC8D4;
  --lot-cand: #8A9DB2;

  --series-1: #2a78d6;
  --series-3: #1baf7a;
  --neutral-mark: #A9B4C0;

  --display: "Barlow Semi Condensed", "DIN Alternate", "Arial Narrow", sans-serif;
  --text: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --measure: 66ch;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1180px;
}


*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.125rem;
  line-height: 1.6;
  font-optical-sizing: auto;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
img { height: auto; display: block; }

a { color: inherit; text-decoration-color: var(--signal); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--signal-text); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.1; letter-spacing: -0.005em; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
p, li { text-wrap: pretty; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; font-family: var(--display); }
.skip:focus { left: 8px; }

/* ---- Top bar ---- */
.top { border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.brand { font-family: var(--display); font-weight: 700; font-size: 1.25rem; text-decoration: none; letter-spacing: 0.01em; display: inline-flex; align-items: center; gap: 10px; }
.brand svg { width: 26px; height: 26px; flex: none; }
.top nav ul { list-style: none; display: flex; gap: clamp(12px, 2.4vw, 28px); margin: 0; padding: 0; font-family: var(--display); font-weight: 500; font-size: 1.05rem; }
.top nav a { text-decoration: none; color: var(--ink-2); }
.top nav a:hover, .top nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--signal); }
@media (max-width: 640px) {
  .top nav .opt { display: none; }
}

/* ---- Buttons ---- */
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.elsewhere { font-family: var(--display); font-size: 1.08rem; color: var(--ink-2); margin: 16px 0 0; }
.elsewhere a { color: var(--ink); font-weight: 600; }
.btn {
  font-family: var(--display); font-weight: 600; font-size: 1.05rem;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 4px; text-decoration: none;
  border: 1.5px solid var(--ink); color: var(--ink); background: transparent;
  min-height: 44px;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn:hover { border-color: var(--signal); color: var(--ink); }
.btn.primary:hover { background: var(--signal); border-color: var(--signal); color: #fff; }

/* ---- Hero ---- */
.hero { padding: clamp(32px, 6vw, 72px) 0 clamp(40px, 6vw, 80px); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.hero h1 { font-size: clamp(3.4rem, 8.5vw, 6.4rem); font-weight: 700; line-height: 0.9; letter-spacing: -0.02em; margin-bottom: 24px; }
.hero h1 span { display: block; }
.lead { font-size: 1.3rem; line-height: 1.5; max-width: 34ch; margin-bottom: 14px; }
.hero .sub { color: var(--ink-2); max-width: 38ch; }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); }
}

/* ---- Facility-location map ---- */
.solver { margin: 0; }
.solver-frame { position: relative; background: var(--map-bg); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; aspect-ratio: 2200 / 2150; }
.solver-frame svg { display: block; width: 100%; height: 100%; }
.m-green { fill: var(--map-green); }
.m-bld { fill: var(--map-bld); }
.m-road { fill: none; stroke: var(--map-road); stroke-linecap: round; stroke-linejoin: round; }
.m-road-major { fill: none; stroke: var(--map-road-major); stroke-linecap: round; stroke-linejoin: round; }
.lot { fill: var(--lot); stroke: none; }
.lot.cand { fill: var(--lot-cand); cursor: help; }
.lot.open { fill: var(--signal); }
.solver .assign { fill: none; stroke: var(--signal); stroke-width: 1.4; opacity: 0.85; vector-effect: non-scaling-stroke; stroke-linecap: round; }
.solver .dem { fill: var(--ink); stroke: var(--map-bg); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.solver .hub { fill: var(--signal); stroke: var(--map-bg); stroke-width: 2; vector-effect: non-scaling-stroke; }
.solver .scale line { stroke: var(--ink); stroke-width: 2; vector-effect: non-scaling-stroke; }
.solver .scale text, .solver .north text { font-family: var(--display); font-size: 58px; fill: var(--ink-2); font-weight: 600; }
.solver .north path { fill: var(--ink-2); }

.solver-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-top: 14px; }
.kpick { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-family: var(--display); font-weight: 500; }
.kpick .seg { flex: none; }
.kpick .seg { display: inline-flex; border: 1.5px solid var(--ink); border-radius: 4px; overflow: hidden; }
.kpick button {
  font: inherit; font-weight: 600; min-width: 40px; min-height: 40px; border: 0; background: transparent; color: var(--ink); cursor: pointer;
  border-left: 1px solid var(--rule);
}
.kpick button:first-child { border-left: 0; }
.kpick button[aria-checked="true"] { background: var(--ink); color: var(--paper); }
.kpick button:focus-visible { outline-offset: -3px; }
.readout { font-family: var(--display); font-size: 1.1rem; margin: 0; }
.readout strong { font-weight: 700; font-size: 1.6rem; font-variant-numeric: tabular-nums; }
.solver figcaption { margin-top: 12px; font-size: 0.95rem; color: var(--ink-2); max-width: 70ch; }
.solver .opened { font-family: var(--display); color: var(--ink-2); font-size: 1rem; margin: 4px 0 0; min-height: 1.5em; }

.lot.g-c { fill: var(--series-1); }
.lot.g-f { fill: var(--series-3); }
.lot.g-o { fill: var(--neutral-mark); }
.mapbox { background: var(--map-bg); aspect-ratio: 3240 / 2610; }
.mapbox svg { display: block; width: 100%; height: 100%; }
.lot.g-c, .lot.g-f, .lot.g-o { stroke: var(--map-bg); stroke-width: 3; }
.thumb .lot.g-c { stroke: var(--series-1); stroke-width: 10; stroke-linejoin: round; }
.thumb .lot.g-f { stroke: var(--series-3); stroke-width: 10; stroke-linejoin: round; }
.thumb .lot.g-o { stroke: var(--neutral-mark); stroke-width: 6; stroke-linejoin: round; }

/* ---- Sections ---- */
.section { padding: clamp(48px, 7vw, 88px) 0; border-top: 1px solid var(--rule); }
.section-head { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 24px 56px; margin-bottom: 36px; align-items: end; }
.section-head p { color: var(--ink-2); margin: 0; max-width: 60ch; }
@media (max-width: 900px) { .section-head { grid-template-columns: 1fr; } }

/* ---- Project index ---- */
.work { list-style: none; margin: 0; padding: 0; }
.work > li { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 20px clamp(24px, 4vw, 56px); padding: 32px 0; border-top: 1px solid var(--rule-soft); }
.work > li:first-child { border-top: 0; padding-top: 0; }
.work .thumb { display: block; background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; aspect-ratio: 16 / 10; }
.work .thumb img, .work .thumb svg { width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.work h3 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); margin-bottom: 6px; }
.work h3 a { text-decoration: none; }
.work h3 a:hover { text-decoration: underline; text-decoration-color: var(--signal); }
.meta { font-family: var(--display); color: var(--ink-2); font-size: 1.02rem; margin: 0 0 12px; }
.work p { max-width: 60ch; }
.result { border-left: 3px solid var(--signal); padding-left: 14px; }
.more { font-family: var(--display); font-weight: 600; font-size: 1.05rem; }
@media (max-width: 760px) { .work > li { grid-template-columns: 1fr; } }

/* ---- Germany ---- */
.de { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px clamp(24px, 5vw, 64px); }
.de .plan { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 0; }
.de .plan li { display: grid; grid-template-columns: 9.5rem 1fr; gap: 16px; padding: 12px 0; border-top: 1px solid var(--rule-soft); }
.de .plan .when { font-family: var(--display); font-weight: 600; }
.deutsch { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 24px; align-self: start; }
.deutsch h3 { font-size: 1.25rem; margin-bottom: 10px; }
.deutsch p:last-child { margin-bottom: 0; }
@media (max-width: 900px) { .de { grid-template-columns: 1fr; } .de .plan li { grid-template-columns: 1fr; gap: 2px; } }

/* ---- Experience ---- */
.jobs { list-style: none; padding: 0; margin: 0; }
.jobs > li { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 8px clamp(24px, 4vw, 56px); padding: 22px 0; border-top: 1px solid var(--rule-soft); }
.jobs > li:first-child { border-top: 0; padding-top: 0; }
.jobs h3 { font-size: 1.3rem; }
.jobs .org { font-family: var(--display); color: var(--ink-2); font-size: 1.05rem; margin: 2px 0 0; }
.jobs .when { font-family: var(--display); color: var(--ink-3); font-size: 1rem; margin: 2px 0 0; font-variant-numeric: tabular-nums; }
.jobs ul { margin: 0; padding-left: 1.1em; list-style: disc; }
.jobs li li { margin-bottom: 4px; }
@media (max-width: 760px) { .jobs > li { grid-template-columns: 1fr; } }

/* ---- Skills ---- */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px clamp(24px, 4vw, 48px); }
.skills h3 { font-size: 1.2rem; margin-bottom: 8px; }
.skills ul { margin: 0; padding-left: 1.1em; }
.courses { list-style: none; padding: 0; margin: 40px 0 0; }
.courses li { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 4px clamp(24px, 4vw, 56px); padding: 12px 0; border-top: 1px solid var(--rule-soft); }
.courses .c { font-family: var(--display); font-weight: 600; }
.courses .c small { display: block; font-weight: 500; color: var(--ink-3); font-size: 0.95rem; }
@media (max-width: 760px) { .courses li { grid-template-columns: 1fr; } }

/* ---- Footer ---- */
.foot { border-top: 1px solid var(--rule); padding: 48px 0 56px; }
.foot .wrap { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 28px 56px; }
.foot h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin-bottom: 14px; }
.foot .contact { list-style: none; padding: 0; margin: 0; font-family: var(--display); font-size: 1.15rem; display: grid; gap: 6px; }
.foot .fine { color: var(--ink-3); font-size: 0.95rem; }
@media (max-width: 760px) { .foot .wrap { grid-template-columns: 1fr; } }

/* ---- Case study pages ---- */
.case-head { padding: clamp(32px, 5vw, 64px) 0 32px; }
.back { font-family: var(--display); font-weight: 500; color: var(--ink-2); text-decoration: none; display: inline-block; margin-bottom: 20px; }
.back:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--signal); }
.case-head h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); font-weight: 700; line-height: 0.95; letter-spacing: -0.015em; margin-bottom: 18px; max-width: 18ch; }
.standfirst { font-size: 1.3rem; line-height: 1.5; max-width: 58ch; color: var(--ink); }

/* Title block, after the one on an engineering drawing */
.titleblock { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border: 1.5px solid var(--ink); border-radius: 2px; margin: 32px 0 0; background: var(--surface); }
.titleblock > div { padding: 10px 14px 12px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.titleblock dt { font-family: var(--display); font-weight: 500; font-size: 0.92rem; color: var(--ink-3); margin: 0 0 2px; }
.titleblock dd { margin: 0; font-family: var(--display); font-weight: 600; font-size: 1.08rem; line-height: 1.3; }
.titleblock dd a { font-weight: 600; }
.titleblock .w2 { grid-column: span 2; }
.titleblock .w3 { grid-column: span 3; }
.titleblock .w4 { grid-column: span 4; }
.titleblock .w6 { grid-column: span 6; }
@media (max-width: 760px) {
  .titleblock { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .titleblock > div, .titleblock .w2, .titleblock .w3, .titleblock .w4, .titleblock .w6 { grid-column: span 2; }
  .titleblock .half { grid-column: span 1; }
}

.case { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; padding-top: 24px; padding-bottom: 72px; }
.toc { position: sticky; top: 84px; align-self: start; font-family: var(--display); }
.toc h2 { font-size: 1rem; font-weight: 600; color: var(--ink-3); margin-bottom: 10px; }
.toc ol { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--rule); }
.toc a { display: block; padding: 5px 0 5px 14px; margin-left: -2px; border-left: 2px solid transparent; text-decoration: none; color: var(--ink-2); line-height: 1.3; }
.toc a:hover { color: var(--ink); }
.toc a.on { border-left-color: var(--signal); color: var(--ink); }
@media (max-width: 960px) { .case { grid-template-columns: minmax(0, 1fr); gap: 0; } .toc { display: none; } }
.prose { min-width: 0; }

.prose { max-width: var(--measure); }
.prose > section { margin-bottom: 56px; }
.prose h2 { font-size: clamp(1.7rem, 3vw, 2.1rem); margin: 0 0 16px; padding-top: 8px; }
.prose h3 { font-size: 1.3rem; margin: 28px 0 8px; }
.prose ul, .prose ol { padding-left: 1.2em; margin: 0 0 1em; }
.prose li { margin-bottom: 6px; }
.prose .wide { max-width: none; width: min(100%, 860px); }
.note { color: var(--ink-2); font-size: 1rem; }
.callout { border-left: 3px solid var(--signal); padding: 2px 0 2px 16px; margin: 0 0 1.2em; }

figure.fig { margin: 28px 0; }
figure.fig .frame { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
figure.fig .frame.pad { padding: 18px 18px 10px; }
figure.fig figcaption { font-size: 0.95rem; color: var(--ink-2); margin-top: 10px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .pair { grid-template-columns: 1fr; } }

/* Math: serif italics for variables, like a textbook */
.model { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 18px 20px; margin: 20px 0 24px; overflow-x: auto; }
.model .row { display: grid; grid-template-columns: 7.5rem minmax(12rem, 20rem) minmax(0, 1fr); gap: 4px 20px; padding: 6px 0; align-items: baseline; }
.model .k { font-family: var(--display); font-weight: 600; color: var(--ink-2); }
.model .e { font-family: var(--text); font-size: 1.12rem; }
.model .c { color: var(--ink-2); font-size: 0.98rem; }
.model var, var { font-style: italic; font-family: var(--text); }
@media (max-width: 640px) { .model .row { grid-template-columns: 1fr; gap: 0; padding: 8px 0; } .model .e { white-space: normal; } }

table.data { border-collapse: collapse; width: 100%; font-size: 1rem; margin: 12px 0 20px; font-variant-numeric: tabular-nums; }
table.data th, table.data td { text-align: left; padding: 8px 12px 8px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.data th { font-family: var(--display); font-weight: 600; color: var(--ink-2); }
table.data td.n, table.data th.n { text-align: right; }
table.data tr.hl td { font-weight: 600; }
.tablewrap { overflow-x: auto; }
details.numbers { margin-top: 8px; font-size: 0.98rem; }
details.numbers summary { cursor: pointer; font-family: var(--display); font-weight: 600; color: var(--ink-2); }

/* Charts */
.chart text { font-family: var(--display); fill: var(--ink-2); font-size: 14px; }
.chart .lbl { fill: var(--ink); font-weight: 600; }
.chart .grid { stroke: var(--rule-soft); stroke-width: 1; }
.chart .axis { stroke: var(--rule); stroke-width: 1; }
.chart .bar { fill: var(--series-1); }
.chart .bar.muted { fill: var(--neutral-mark); }
.chart .line { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .dot { fill: var(--series-1); stroke: var(--surface); stroke-width: 2; }
.chart .hit { fill: transparent; cursor: default; }
.chart .hit:focus-visible { outline: none; stroke: var(--focus); stroke-width: 2; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; list-style: none; padding: 0; margin: 10px 0 0; font-family: var(--display); font-size: 0.98rem; color: var(--ink-2); }
.legend span.sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.tip { position: fixed; z-index: 20; pointer-events: none; background: var(--ink); color: var(--paper); font-family: var(--display); font-size: 0.98rem; line-height: 1.35; padding: 7px 10px; border-radius: 4px; max-width: 260px; opacity: 0; transition: opacity 0.12s; }
.tip.show { opacity: 1; }

.teammates { list-style: none; padding: 0; margin: 0; }
.teammates li { padding: 8px 0; border-top: 1px solid var(--rule-soft); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  .top, .toc, .solver-controls { display: none; }
  body { background: #fff; }
}

/* Code excerpts */
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.86em; background: var(--rule-soft); padding: 1px 5px; border-radius: 3px; }
pre.code { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 16px 18px; overflow-x: auto; margin: 12px 0 20px; line-height: 1.5; }
pre.code code { background: none; padding: 0; font-size: 0.82rem; white-space: pre; }

/* Let code and models use the empty column to the right on wide screens */
@media (min-width: 1200px) {
  .prose pre.code, .prose .model { width: calc(100% + 220px); }
}

/* ---- 2026-10-14 review changes ---- */
/* Label above the name, optional headshot */
.eyebrow { font-family: var(--display); font-weight: 600; font-size: 1.08rem; letter-spacing: 0.02em; color: var(--signal-text); margin: 0 0 14px; }
.eyebrow span { white-space: nowrap; }
@media (max-width: 440px) { .eyebrow { font-size: 0.94rem; letter-spacing: 0.01em; } }
.eyebrow i { font-style: normal; color: var(--ink-3); margin-left: 6px; }
.headshot { width: 112px; height: 112px; object-fit: cover; border-radius: 6px; border: 1px solid var(--rule); margin-bottom: 22px; }

/* Map key under the hero map */
.solver-key { margin: 10px 0 0; font-size: 0.95rem; gap: 4px 16px; }
.solver-key .sw { background: var(--lot-cand); }
.solver-key .sw.dot { background: var(--ink); border-radius: 50%; width: 9px; height: 9px; vertical-align: 0; }
.solver-key .sw.open { background: var(--signal); border-radius: 50%; }
.solver-key .sw.walk { background: var(--signal); width: 16px; height: 2px; border-radius: 1px; vertical-align: 4px; }

/* Sub-headings inside a section (Course assignments, Other work) */
.subhead { font-size: 1.25rem; color: var(--ink-2); margin: 36px 0 20px; padding-top: 28px; border-top: 1px solid var(--rule); }

/* Smaller project cards for course assignments */
.work-small { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px clamp(24px, 4vw, 48px); }
.work-small > li { display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 4px 20px; align-content: start; }
.work-small .thumb { grid-row: 1 / span 5; display: block; background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; aspect-ratio: 16 / 10; align-self: start; }
.work-small .thumb svg { width: 100%; height: 100%; }
.work-small h4 { font-size: 1.3rem; margin-bottom: 4px; }
.work-small h4 a { text-decoration: none; }
.work-small h4 a:hover { text-decoration: underline; text-decoration-color: var(--signal); }
.work-small .meta { font-size: 0.98rem; margin-bottom: 8px; }
.work-small p { font-size: 1.02rem; }
@media (max-width: 1060px) { .work-small { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 560px) {
  .work-small > li { grid-template-columns: minmax(0, 1fr); }
  .work-small .thumb { display: none; }
}

/* One-line jobs */
.jobs.brief > li { padding: 14px 0; align-items: baseline; }
.jobs.brief > li:first-child { padding-top: 0; border-top: 0; }
.jobs.brief h4 { font-size: 1.15rem; }
.jobs.brief > li > p { margin: 0; }
.jobs.brief .org .when { color: var(--ink-3); white-space: nowrap; }

/* Click to enlarge */
a.zoom { display: block; position: relative; cursor: zoom-in; }
a.zoom::after {
  content: ""; position: absolute; right: 8px; bottom: 8px; width: 30px; height: 30px; border-radius: 4px;
  background: rgba(19, 35, 58, 0.82) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6M9 21H3v-6M21 3l-7 7M3 21l7-7'/%3E%3C/svg%3E") center / 16px no-repeat;
  opacity: 0.9; transition: opacity 0.15s;
}
a.zoom:hover::after, a.zoom:focus-visible::after { opacity: 1; background-color: var(--signal); }
dialog.viewer { padding: 0; border: 0; background: transparent; max-width: 96vw; max-height: 96vh; overflow: visible; }
dialog.viewer::backdrop { background: rgba(8, 14, 24, 0.86); }
dialog.viewer img { display: block; width: auto; height: auto; max-width: 96vw; max-height: 86vh; border-radius: 6px; background: #fff; }
dialog.viewer p { color: #E7ECF2; font-family: var(--display); font-size: 1rem; margin: 10px 2px 0; max-width: 80ch; }
dialog.viewer .close {
  position: absolute; top: -14px; right: -14px; width: 40px; height: 40px; border-radius: 50%; border: 0; cursor: pointer;
  background: #fff; color: #13233A; font: 600 22px/40px var(--display); text-align: center; box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
@media (max-width: 640px) { dialog.viewer .close { top: 6px; right: 6px; } }

/* ---- Option A (Ryan, 10/14): light only, map question above the map, four skill columns ---- */
.solver-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; margin-bottom: 12px; }
.solver-title { font-size: clamp(1.5rem, 2.2vw, 1.7rem); line-height: 1.15; }
.solver-tag { font-family: var(--display); font-size: 0.95rem; color: var(--ink-2); margin: 0; }
.solver .solver-key { margin-top: 10px; }
.skills { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .skills { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .skills { grid-template-columns: minmax(0, 1fr); } }

/* ---- 10/14 upgrade: heavier name, résumé button,
   shaded bands, result strips, skill tags, and a richer hero demo in a raised panel ---- */
:root { --shade: #EBEFF3; --bar: #7A899B; }

.hero h1 { font-weight: 800; }
.top nav .cta a { display: inline-block; border: 1.5px solid var(--ink); border-radius: 4px; padding: 1px 11px; color: var(--ink); font-weight: 600; }
.top nav .cta a:hover { background: var(--ink); color: var(--paper); text-decoration: none; }

/* Every other home section sits on a slightly darker band */
.section.shade { background: var(--shade); }

/* Results as a strip of figures, after the title block on the project pages */
.stats { list-style: none; margin: 4px 0 20px; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 60ch;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; }
.work-small .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stats li { min-width: 0; padding: 12px 14px 13px; border-left: 1px solid var(--rule-soft); }
.stats li:first-child { border-left: 0; }
.stats b { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(1.75rem, 2.4vw, 2.2rem); line-height: 1; letter-spacing: -0.01em; color: var(--ink); }
.stats span { display: block; margin-top: 7px; font-family: var(--display); font-weight: 500; font-size: 0.97rem; line-height: 1.3; color: var(--ink-2); }
@media (max-width: 560px) {
  .stats, .work-small .stats { grid-template-columns: minmax(0, 1fr); }
  .stats li { display: grid; grid-template-columns: 4.4rem minmax(0, 1fr); gap: 12px; align-items: baseline; padding: 10px 12px; border-left: 0; border-top: 1px solid var(--rule-soft); }
  .stats li:first-child { border-top: 0; }
  .stats b { font-size: 1.6rem; }
  .stats span { margin-top: 0; }
}

/* Skills: one row per group, items as tags */
.skillrows > div { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 10px clamp(24px, 4vw, 56px); align-items: baseline; padding: 16px 0; border-top: 1px solid var(--rule-soft); }
.skillrows > div:first-child { border-top: 0; padding-top: 0; }
.skillrows h3 { font-size: 1.2rem; }
.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font-family: var(--display); font-weight: 500; font-size: 1.02rem; line-height: 1.25; padding: 5px 11px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule); border-radius: 3px; }
@media (max-width: 760px) { .skillrows > div { grid-template-columns: minmax(0, 1fr); } }

/* Hero demo: raised panel, play, pick-your-own, result and trade-off chart */
.solver.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: clamp(14px, 1.8vw, 22px);
  box-shadow: 0 1px 1px rgba(19, 35, 58, 0.04), 0 22px 44px -28px rgba(19, 35, 58, 0.5); }
.solver.panel .solver-frame { border-radius: 4px; }
.solver-controls { justify-content: flex-start; gap: 10px 14px; margin-top: 14px; }
.play { flex: none; display: grid; place-items: center; width: 42px; height: 42px; padding: 0; border: 0; border-radius: 50%;
  background: var(--ink); color: var(--paper); cursor: pointer; }
.play:hover { background: var(--signal); color: #fff; }
.play svg { width: 18px; height: 18px; }
.play .i-pause, .play.on .i-play { display: none; }
.play.on .i-pause { display: inline; }
.btn.small { min-height: 40px; padding: 6px 12px; font-size: 1rem; background: var(--surface); cursor: pointer; }
.solver-controls .pick { margin-left: auto; }
.solver.picking .pick { background: var(--ink); color: var(--paper); }
.solver.picking .solver-frame { cursor: crosshair; }
.solver.picking .lot.cand { cursor: pointer; }
.solver.picking .lot.cand:hover { fill: var(--ink-3); }
.solver.picking .lot.cand.open:hover { fill: var(--signal-text); }
.solver .lot.cand:focus { outline: none; }
.solver .lot.cand:focus-visible { stroke: var(--focus); stroke-width: 14; }

.solver-result { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 18px; align-items: center; margin-top: 14px; padding: 12px 0;
  border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); }
.avgwalk { margin: 0; min-width: 6.4rem; font-family: var(--display); }
.avgwalk strong { display: block; font-size: 2.3rem; font-weight: 700; line-height: 1; letter-spacing: -0.01em; }
.avgwalk span { display: block; margin-top: 4px; font-size: 0.95rem; color: var(--ink-2); }
.say { margin: 0; font-family: var(--display); font-size: 1.06rem; line-height: 1.35; }

.curve { margin-top: 14px; min-height: 132px; }
.curve svg { display: block; width: 100%; height: auto; overflow: visible; }
.curve text { font-family: var(--display); font-size: 13px; fill: var(--ink-2); }
.curve .ttl { font-size: 14px; font-weight: 600; }
.curve .tick.sel, .curve .val { fill: var(--ink); font-weight: 700; }
.curve .val { font-size: 14px; }
.curve .grid { stroke: var(--rule-soft); stroke-width: 1; }
.curve .base { stroke: var(--rule); stroke-width: 1; }
.curve .bar { fill: var(--bar); }
.curve .bar.on { fill: var(--signal); }
.curve .hit { fill: transparent; cursor: pointer; }
.curve .gap { stroke: var(--ink); stroke-width: 2; }
.curve .you { fill: var(--ink); stroke: var(--surface); stroke-width: 2; }
@media (max-width: 480px) {
  .kpick button { min-width: 36px; }
  .solver-controls .pick { margin-left: 0; }
  .avgwalk strong { font-size: 2rem; }
}

/* Hero buttons: one row when the column is wide enough; otherwise the résumé on top and the other two side by side */
.hero .intro { container-type: inline-size; }
.hero .actions { gap: 8px; }
.hero .actions .btn { padding: 10px 14px; justify-content: center; }
@container (max-width: 425px) {
  .hero .actions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .hero .actions .primary { grid-column: 1 / -1; }
}

/* Demo controls on phones: label on top, play beside the lot buttons, pick button full width */
@media (max-width: 480px) {
  .solver-controls { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 10px; align-items: center; }
  .solver-controls .kpick { display: contents; }
  #k-label { grid-row: 1; grid-column: 1 / -1; color: var(--ink-2); }
  .solver-controls .play { grid-row: 2; grid-column: 1; }
  .kpick .seg { grid-row: 2; grid-column: 2; display: flex; }
  .kpick .seg button { flex: 1; min-width: 0; }
  .solver-controls .pick { grid-row: 3; grid-column: 1 / -1; justify-content: center; }
}