/* Phil Nicholls portfolio. A field-map palette: sage paper, contour lines,
   a blue GPS route and one red alert colour used only for the alert. */

:root {
  --paper: #e6ebe4;
  --paper-raised: #eef2ec;
  --contour: #c7d1c4;
  --rule: #cbd5c8;
  --ink: #17251e;
  --muted: #56645b;
  --route: #2b55c4;
  --alert: #c2412d;

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --text: "Source Serif 4", Georgia, "Times New Roman", serif;

  --step--1: 0.875rem;
  --step-0: 1.125rem;
  --step-1: 1.35rem;
  --step-2: 1.75rem;
  --step-3: 2.4rem;

  --gutter: clamp(16px, 5vw, 48px);
  --measure: 38em;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14211b;
    --paper-raised: #192a22;
    --contour: #263a30;
    --rule: #2c4136;
    --ink: #e2ebe4;
    --muted: #9fb2a5;
    --route: #86a6ff;
    --alert: #ff8063;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #14211b;
  --paper-raised: #192a22;
  --contour: #263a30;
  --rule: #2c4136;
  --ink: #e2ebe4;
  --muted: #9fb2a5;
  --route: #86a6ff;
  --alert: #ff8063;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--route); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--route); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 { font-family: var(--display); margin: 0; color: var(--ink); }

.skip {
  position: absolute; left: -999px; top: 0.5rem;
  background: var(--ink); color: var(--paper); padding: 0.5rem 0.9rem; z-index: 10;
}
.skip:focus { left: 0.5rem; }

.wrap { max-width: 68rem; margin: 0 auto; padding: 0 var(--gutter); }

/* Top bar */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: 0.85rem var(--gutter);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  font-family: var(--display);
}
.topbar__name {
  color: var(--ink); text-decoration: none; font-weight: 700;
  font-stretch: 112%; letter-spacing: -0.01em;
}
.topbar nav { display: flex; gap: clamp(0.75rem, 3vw, 1.75rem); font-size: var(--step--1); }
.topbar nav a { color: var(--muted); text-decoration: none; }
.topbar nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding-top: clamp(3rem, 9vw, 6.5rem); }
.hero__grid { display: grid; gap: 2rem; align-items: end; }
.hero__photo img {
  display: block; width: 100%; height: auto;
  max-width: 13rem; border-radius: 4px;
  box-shadow: 0 0 0 1px var(--rule);
}
@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1fr 15rem; gap: 3rem; }
  .hero__photo img { max-width: none; }
}
.hero__name {
  font-size: clamp(3.2rem, 11vw, 8.5rem);
  font-weight: 800;
  font-stretch: 125%;
  line-height: 0.92;
  letter-spacing: -0.035em;
}
.hero__role {
  font-family: var(--display); font-stretch: 100%;
  font-size: var(--step-1); font-weight: 500; color: var(--muted);
  margin: 1rem 0 0;
}
.hero__lead { max-width: var(--measure); font-size: var(--step-1); line-height: 1.55; margin: 1.6rem 0 0; }

.links {
  list-style: none; padding: 0; margin: 1.6rem 0 0;
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.6rem;
  font-family: var(--display); font-size: var(--step-0);
}
.links__primary { font-weight: 650; }

/* The hero image: the one bold element on the page */
.map { margin: clamp(2.5rem, 6vw, 4rem) auto 0; }
.map img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--rule); border-radius: 4px;
}
.map figcaption {
  font-family: var(--display); font-size: var(--step--1); color: var(--muted);
  padding-top: 0.7rem;
}

/* Sections */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0 0; }
.section h2 {
  font-size: var(--step-2); font-weight: 700; font-stretch: 112%;
  letter-spacing: -0.015em; margin-bottom: 1.4rem;
}
.subhead { margin-top: 3rem; }
.prose { max-width: var(--measure); margin: 0 0 1rem; }
.prose--note { color: var(--muted); }

h3 { font-size: var(--step-1); font-weight: 650; letter-spacing: -0.01em; line-height: 1.25; }

/* Selected work */
.work { padding: 1.6rem 0; border-top: 1px solid var(--rule); max-width: 48rem; }
.work:last-child { border-bottom: 1px solid var(--rule); }
.work__org, .project__url, .job__role {
  font-family: var(--display); font-size: var(--step--1); color: var(--muted);
  margin: 0.25rem 0 0.8rem;
}
.work--lead h3 { font-size: var(--step-3); font-stretch: 112%; font-weight: 750; letter-spacing: -0.025em; }

.facts {
  list-style: none; padding: 0; margin: 0.4rem 0 1.2rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 0.8rem 1.5rem;
  font-family: var(--display); font-size: var(--step-0); font-weight: 600; line-height: 1.35;
}
.facts li { border-left: 3px solid var(--route); padding-left: 0.8rem; }

/* Projects */
.project h3 a { color: var(--ink); text-decoration-color: var(--route); }
.project h3 { font-size: var(--step-2); font-stretch: 112%; }

/* Experience timeline: dates sit in the margin, like a log */
.timeline { list-style: none; padding: 0; margin: 0; }
.job { padding: 0 0 2.2rem; }
.job__dates {
  font-family: var(--display); font-size: var(--step--1); color: var(--muted);
  font-variant-numeric: tabular-nums; margin: 0 0 0.3rem;
}
.job__body h3 { font-size: var(--step-1); }
.points { margin: 0; padding-left: 1.1rem; max-width: var(--measure); }
.points li { margin-bottom: 0.35rem; }
.points li::marker { color: var(--route); }

@media (min-width: 760px) {
  .job { display: grid; grid-template-columns: 11.5rem 1fr; gap: 0 2rem; }
  .job__dates { text-align: right; padding-top: 0.3rem; }
  .job__body { border-left: 1px solid var(--rule); padding-left: 2rem; position: relative; }
  .job__body::before {
    content: ""; position: absolute; left: -5px; top: 0.55rem;
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--paper); border: 2px solid var(--route);
  }
}

/* Skills */
.skills { margin: 0; display: grid; gap: 1rem; max-width: 52rem; }
.skills div { display: grid; gap: 0.1rem; }
.skills dt { font-family: var(--display); font-weight: 650; }
.skills dd { margin: 0; color: var(--ink); }
@media (min-width: 760px) {
  .skills div { grid-template-columns: 11.5rem 1fr; gap: 2rem; }
  .skills dt { text-align: right; }
}

.certs { list-style: none; padding: 0; margin: 0; max-width: 52rem; }
.certs li { padding: 0.55rem 0; border-top: 1px solid var(--rule); }
.certs__name { font-weight: 600; }
.certs__detail { color: var(--muted); }

/* Contact */
.contact { padding-bottom: clamp(3rem, 8vw, 5rem); }
.contact__email {
  font-family: var(--display); font-weight: 750; font-stretch: 112%;
  font-size: clamp(1.5rem, 5vw, 2.6rem); letter-spacing: -0.02em; margin: 1.2rem 0 1.4rem;
  overflow-wrap: anywhere;
}
.contact__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.contact__list span { display: inline-block; min-width: 11rem; color: var(--muted); font-family: var(--display); font-size: var(--step--1); }

.footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem var(--gutter) 2rem;
  font-family: var(--display); font-size: var(--step--1); color: var(--muted);
}
.footer p { max-width: 68rem; margin: 0 auto; }

@media (max-width: 540px) {
  .topbar { flex-direction: column; gap: 0.3rem; }
  .facts { grid-template-columns: 1fr; }
}