/* streffdev — site styles */
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono-Medium.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono-ExtraBold.woff2") format("woff2");
  font-weight: 800;
  font-display: swap;
}

:root {
  --paper: #f6f7f9;
  --surface: #ffffff;
  --ink: #1b2230;
  --muted: #586174;
  --rule: #dce0e7;
  --thistle: #6b47b8;
  --thistle-soft: #efeafb;
  --todo-bg: #fff3b0;
  --todo-ink: #5a4a00;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 68rem;
  --measure: 40rem;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121722;
    --surface: #1a2030;
    --ink: #e8ebf2;
    --muted: #a0a8b8;
    --rule: #2c3446;
    --thistle: #a88bf0;
    --thistle-soft: #241f3a;
    --todo-bg: #4a3f00;
    --todo-ink: #ffe98a;
  }
  .logo-light { display: none; }
  .logo-dark { display: inline; }
}
@media (prefers-color-scheme: light) { .logo-dark { display: none; } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.6 var(--sans);
}
img { max-width: 100%; height: auto; }
a { color: var(--thistle); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--thistle); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }

.skip {
  position: absolute; left: -999px; top: 0.5rem;
  background: var(--ink); color: var(--paper); padding: 0.5rem 0.8rem; z-index: 10;
}
.skip:focus { left: 0.5rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); background: var(--surface); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem 2rem; flex-wrap: wrap; padding-top: 1.1rem; padding-bottom: 1.1rem;
}
.brand { display: inline-flex; line-height: 0; }
.brand img { height: 1.75rem; width: auto; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.site-nav a {
  font-family: var(--mono); font-weight: 500; font-size: 0.95rem;
  color: var(--muted); text-decoration: none; padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--thistle); }

/* Type */
h1, h2, h3 { font-family: var(--mono); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.85rem); margin: 2.75rem 0 0.75rem; }
h3 { font-size: 1.15rem; margin: 1.75rem 0 0.4rem; letter-spacing: -0.01em; }
p, ul, ol { margin: 0 0 1rem; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: var(--measure); }

main { padding: 3.5rem 0 5rem; }
.prose { max-width: var(--measure); }
.prose li { margin-bottom: 0.4rem; }
.updated { color: var(--muted); font-size: 0.95rem; }

/* Home hero */
.hero { padding: 2.5rem 0 3.5rem; }
.hero h1 {
  font-size: clamp(2.4rem, 7.2vw, 5.25rem);
  line-height: 1.02; letter-spacing: -0.035em; max-width: 15ch; margin-bottom: 1.5rem;
}
.cursor {
  display: inline-block; width: 0.55em; height: 0.62em; margin-left: 0.12em;
  background: var(--thistle); border-radius: 0.06em; vertical-align: baseline;
  animation: blink 1.1s steps(1, end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }

.button {
  display: inline-block; font-family: var(--mono); font-weight: 500; font-size: 1rem;
  background: var(--ink); color: var(--paper); text-decoration: none;
  padding: 0.8rem 1.2rem; border-radius: 6px; margin-top: 0.5rem;
}
.button:hover { background: var(--thistle); color: #fff; text-decoration: none; }
.button.quiet { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--rule); }
.button.quiet:hover { box-shadow: inset 0 0 0 1.5px var(--thistle); background: transparent; color: var(--ink); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Two audiences */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0 3rem; border-top: 1px solid var(--rule); }
.split > section { padding-top: 1.5rem; }
.split h2 { margin-top: 0; }
@media (max-width: 720px) { .split { grid-template-columns: 1fr; } .split > section + section { border-top: 1px solid var(--rule); margin-top: 1rem; } }

/* App feature */
.app {
  display: grid; grid-template-columns: auto 1fr; gap: 1.5rem 2rem; align-items: start;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 14px;
  padding: 2rem; margin-top: 3.5rem;
}
.app-mark {
  width: 4.5rem; height: 4.5rem; border-radius: 1rem; background: var(--thistle-soft);
  display: grid; place-items: center; font-family: var(--mono); font-weight: 800; font-size: 1.6rem; color: var(--thistle);
}
.app h2 { margin-top: 0; }
.app .status { font-family: var(--mono); font-size: 0.9rem; color: var(--muted); margin-bottom: 0.75rem; }
@media (max-width: 560px) { .app { grid-template-columns: 1fr; padding: 1.5rem; } }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.6rem 2rem; margin: 1.5rem 0 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
@media (max-width: 560px) { .facts { grid-template-columns: 1fr; gap: 0.1rem; } .facts dd { margin-bottom: 0.75rem; } }

/* Process sequence (a real order, so it's numbered) */
.steps { list-style: none; padding: 0; margin: 1.25rem 0 0; counter-reset: step; max-width: var(--measure); }
.steps li { counter-increment: step; position: relative; padding: 0 0 1.25rem 3rem; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0.05rem;
  font-family: var(--mono); font-weight: 800; color: var(--thistle);
  width: 2rem; height: 2rem; border-radius: 50%; background: var(--thistle-soft);
  display: grid; place-items: center; font-size: 0.95rem;
}
.steps strong { display: block; font-family: var(--mono); }

.note {
  border-left: 3px solid var(--thistle); background: var(--thistle-soft);
  padding: 0.9rem 1.1rem; border-radius: 0 8px 8px 0; max-width: var(--measure); margin: 1.5rem 0;
}

.todo { background: var(--todo-bg); color: var(--todo-ink); padding: 0 0.25em; border-radius: 3px; font-weight: 600; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); background: var(--surface); padding: 2.5rem 0 3rem; font-size: 0.95rem; color: var(--muted); }
.site-footer .cols { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem 3rem; }
.site-footer img { height: 1.3rem; width: auto; margin-bottom: 0.9rem; }
.site-footer .legal-line { max-width: 34rem; margin: 0; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.35rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }
.nowrap { white-space: nowrap; }