/* Keon Nurse, personal site. One page, no build step, no JavaScript. */

:root {
  --bg: #f7f5f0;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #5f5b53;
  --line: #dcd7cc;
  --accent: #0b6e4f;      /* LED green, darkened for contrast on light */
  --accent-text: #ffffff;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --measure: 68ch;
}

/* Dark values. Used when the system is dark, unless the visitor chose light with the toggle. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121412;
    --surface: #1b1e1b;
    --text: #ecebe6;
    --muted: #a5a39b;
    --line: #2e322e;
    --accent: #4ade80;
    --accent-text: #08130c;
  }
}
/* Same values again, for a visitor who chose dark on a light system. */
:root[data-theme="dark"] {
  --bg: #121412;
  --surface: #1b1e1b;
  --text: #ecebe6;
  --muted: #a5a39b;
  --line: #2e322e;
  --accent: #4ade80;
  --accent-text: #08130c;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.65 var(--sans);
  -webkit-text-size-adjust: 100%;
}

main, .top, footer {
  width: min(100% - 2.5rem, 62rem);
  margin-inline: auto;
}

a { color: var(--accent); text-underline-offset: 0.18em; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

/* Top bar */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 0.85rem 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; letter-spacing: -0.01em; }
.top nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.1rem; }
.top nav a { font: 0.8125rem var(--mono); color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current="true"] { color: var(--accent); }
.top nav { align-items: center; }
.theme-toggle {
  font: 0.8125rem var(--mono);
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Sections */
section { padding: 3.5rem 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: 0; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); max-width: 20ch; }
h2 {
  font: 0.8125rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1.75rem;
}
h3 { font-size: 1.3rem; }

p, ul, dl { margin: 0.9rem 0 0; max-width: var(--measure); }
ul { padding-left: 1.15rem; }
li + li { margin-top: 0.4rem; }

.eyebrow, .meta { font: 0.8125rem var(--mono); color: var(--muted); }
.eyebrow { margin: 0 0 1.1rem; }
.meta { margin: 0 0 0.35rem; }
.lede { font-size: 1.18rem; color: var(--muted); }
.note, .also { color: var(--muted); }
.also { margin-top: 2rem; }

.hero { padding: 5rem 0 4rem; }

/* Buttons */
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.75rem; max-width: none; }
.button {
  display: inline-block;
  padding: 0.6rem 1.05rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.button.ghost { background: transparent; color: var(--accent); }
.button:hover { filter: brightness(1.08); }

/* Projects */
.project + .project { margin-top: 3.5rem; padding-top: 3.5rem; border-top: 1px dashed var(--line); }
.shots { display: grid; gap: 1rem; margin-top: 1.75rem; }
.shots.three { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.shots.two { grid-template-columns: repeat(auto-fit, minmax(14rem, 22rem)); }
figure {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
figure img { display: block; width: 100%; height: 15rem; object-fit: cover; background: #17181c; }
.shots.three figure img { object-fit: contain; }
.shots.two figure img { height: 26rem; }
figcaption { padding: 0.55rem 0.8rem; font: 0.78rem var(--mono); color: var(--muted); border-top: 1px solid var(--line); }

/* Click to enlarge, only when script.js is running */
.js .shots img { cursor: zoom-in; }
.js .shots img:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
#zoom {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: min(96vw, 72rem);
  max-height: 94vh;
}
#zoom::backdrop { background: rgb(0 0 0 / 0.82); }
#zoom img { display: block; max-width: 100%; max-height: 84vh; margin-inline: auto; border-radius: 6px; }
#zoom form { text-align: center; margin-top: 0.75rem; }
#zoom button {
  font: 0.8125rem var(--mono);
  color: #fff;
  background: transparent;
  border: 1px solid #ffffff80;
  border-radius: 6px;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
}

/* Experience and education */
.role + .role { margin-top: 2.5rem; }
.role header { display: flex; flex-direction: column-reverse; }

/* Skills */
.skills { display: grid; grid-template-columns: minmax(8rem, 11rem) 1fr; gap: 0.9rem 1.5rem; max-width: 56rem; }
.skills dt { font: 0.8125rem/1.9 var(--mono); color: var(--muted); }
.skills dd { margin: 0; }

footer { padding: 2rem 0 3rem; color: var(--muted); font: 0.8125rem var(--mono); }
footer p { margin: 0; }

@media (max-width: 34rem) {
  .skills { grid-template-columns: 1fr; gap: 0.15rem; }
  .skills dd { margin-bottom: 0.9rem; }
  .hero { padding: 3rem 0 2.5rem; }
  .shots.two figure img { height: 20rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Printing gives a plain resume */
@media print {
  :root { --bg: #fff; --surface: #fff; --text: #000; --muted: #333; --line: #bbb; --accent: #000; }
  .top nav, .actions, .shots, #zoom { display: none; }
  .top { position: static; border: 0; }
  section, .hero { padding: 1rem 0; }
  body { font-size: 10.5pt; }
}
/* Collapsible photo galleries */
.gallery { margin-top: 1.75rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.gallery > summary {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem 1rem; cursor: pointer; list-style: none;
  font: 0.8rem var(--mono); color: var(--muted);
}
.gallery > summary::-webkit-details-marker { display: none; }
.gallery > summary::before { content: "▸"; color: var(--accent); transition: transform 0.2s; }
.gallery[open] > summary::before { transform: rotate(90deg); }
.gallery > summary:hover { color: var(--text); }
.gallery .count { margin-left: auto; padding: 0.1rem 0.5rem; border: 1px solid var(--line); border-radius: 999px; }
.gallery .shots { margin-top: 0; padding: 0 1rem 1rem; }

/* Role logo right beside the title */
.title-row { display: flex; align-items: center; gap: 0.85rem; }
.title-row h3 { margin: 0; }
.title-row .role-logo { width: 3.5rem; height: 3.5rem; object-fit: contain; flex: none; }

/* Linked event or organisation line */
.event { margin: 0.9rem 0 0.25rem; }
.event p { margin: 0; }
.event a { font-weight: 600; text-decoration: none; }
.event a:hover { text-decoration: underline; }
.event span { display: block; font-size: 0.88rem; color: var(--muted); }

/* Hands-on tags */
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; padding: 0; margin: 0.9rem 0; }
.chips li { font: 0.74rem var(--mono); padding: 0.2rem 0.6rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.chips li + li { margin-top: 0; }

/* Extra detail inside a dropdown */
.gallery .more { padding: 0 1rem 1rem; }
.gallery .more .shots { padding: 0; margin-top: 1rem; }
.shots.one figure img { height: auto; object-fit: contain; }
.links { margin-top: 1rem; font-size: 0.92rem; }

@media (max-width: 34rem) {
  .title-row .role-logo { width: 2.75rem; height: 2.75rem; }
}