@font-face {
  font-family: "Archivo";
  src: url("/fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("/fonts/source-serif-4-var.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("/fonts/source-serif-4-var-italic.woff2") format("woff2");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}

:root {
  --ink:      #16202E;
  --ink-soft: #2C3B4F;
  --slate:    #5A6B80;
  --paper:    #F7F8FA;
  --rule:     #DDE3EA;
  --accent:   #1F6F7A;
  --accent-d: #15525A;
  --measure:  34rem;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  font-feature-settings: "liga" 1, "kern" 1;
}

/* the one bold element: the gradient strip from the app chrome */
.strip {
  height: 4px;
  background: linear-gradient(
    90deg,
    #B8352F 0%, #C96A2A 14%, #D9A62F 28%, #7FA84A 42%,
    #2F8F82 57%, #2C6FA8 71%, #4B5BA8 85%, #7B4E9C 100%
  );
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------------------------------------------------------- masthead */
.masthead { padding: 4.5rem 0 0; }

.masthead h1 {
  font-family: Archivo, "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.012em;
  margin: 0 0 1.75rem;
}

.lede {
  font-size: 1.3125rem;
  line-height: 1.5;
  margin: 0 0 1.5rem;
  color: var(--ink);
}

.masthead p { color: var(--ink-soft); }

/* ------------------------------------------------------------ index */
.index {
  margin: 3.5rem 0 0;
  border-top: 1px solid var(--rule);
}

.entry {
  display: block;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
}

.entry h2 {
  font-family: Archivo, "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.008em;
  margin: 0 0 0.4rem;
  color: var(--accent);
}

.entry:hover h2,
.entry:focus-visible h2 { color: var(--accent-d); text-decoration: underline; }

.entry:last-child { border-bottom: none; }

.entry p { margin: 0; color: var(--ink-soft); }

.entry .who {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.9375rem;
  color: var(--slate);
}

/* ------------------------------------------------------------- page */
.page { padding: 3.25rem 0 0; }

.back {
  font-family: Archivo, "Helvetica Neue", Arial, sans-serif;
  font-size: 0.9375rem;
  color: var(--slate);
  text-decoration: none;
}
.back:hover, .back:focus-visible { color: var(--accent-d); text-decoration: underline; }

.page h1 {
  font-family: Archivo, "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  font-size: 1.875rem;
  line-height: 1.2;
  letter-spacing: -0.018em;
  margin: 2.25rem 0 0.5rem;
}

.standfirst {
  font-size: 1.0625rem;
  color: var(--slate);
  margin: 0 0 2.5rem;
}

.page h2 {
  font-family: Archivo, "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0;
  margin: 2.75rem 0 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

p { margin: 0 0 1.15rem; }

/* ------------------------------------------------------------ figure */
figure {
  margin: 2.5rem 0;
  /* let wide screenshots breathe past the text measure */
  width: min(58rem, calc(100vw - 3rem));
  margin-left: calc(50% - min(29rem, calc(50vw - 1.5rem)));
}

figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}

figcaption {
  margin-top: 0.65rem;
  font-size: 0.9375rem;
  color: var(--slate);
}

/* ------------------------------------------------------------ footer */
footer {
  margin-top: 3rem;
  padding: 1.75rem 0 4rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
  color: var(--slate);
}

footer a { color: var(--accent); text-decoration: none; }
footer a:hover, footer a:focus-visible { color: var(--accent-d); text-decoration: underline; }
footer span { color: var(--rule); padding: 0 0.6rem; }

a:focus-visible,
.entry:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (max-width: 42rem) {
  body { font-size: 1rem; }
  .masthead { padding-top: 3rem; }
  .lede { font-size: 1.1875rem; }
  .page h1 { font-size: 1.5rem; }
  figure { width: 100%; margin-left: 0; }
}