/* nosocial.media
   Palette and type are deliberately "government form": cool paper stock,
   institutional ink, and a correction-pen red used only where the page
   answers back. Mono is the form's voice, serif is the human's. */

:root {
  --paper:      #E5E7E1;
  --paper-card: #EFF0EC;
  --ink:        #1C2126;
  --ink-soft:   #4A545C;
  --rule:       #C3C7BE;
  --red:        #B23A2E;
  --blue:       #3F5C77;

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", Times, serif;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ---- shared blocks ---- */

.masthead,
main,
.footer {
  max-width: calc(var(--measure) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 0.75rem;
}

.req { color: var(--red); }

/* ---- masthead ---- */

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  align-items: baseline;
  padding-block: 1.5rem 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.masthead__id { font-weight: 600; }
.masthead__note { color: var(--ink-soft); }

/* ---- hero ---- */

.hero { padding-block: clamp(3rem, 10vw, 5.5rem) clamp(2.5rem, 8vw, 4rem); }

.field {
  display: block;
  background: var(--paper-card);
  border: 1px solid var(--rule);
  border-bottom: 2px solid var(--ink);
  padding: 0.85rem 1rem 0.9rem;
}

.field__label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.45rem;
}

.field__input {
  display: block;
  min-height: 1.6rem;
  font-family: var(--mono);
  font-size: 1rem;
}

.caret {
  display: inline-block;
  width: 0.55rem;
  height: 1.15rem;
  background: var(--ink);
  vertical-align: -0.2rem;
  animation: blink 1.15s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.field__note {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--red);
  margin: 0.7rem 0 clamp(2.25rem, 7vw, 3.25rem);
}

h1 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(2.35rem, 8.5vw, 3.75rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 0.6rem;
}

.deck {
  font-size: clamp(1.1rem, 3.2vw, 1.3rem);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 28rem;
}

/* ---- sections ---- */

.section {
  padding-block: clamp(2.25rem, 7vw, 3.25rem);
  border-top: 1px solid var(--rule);
}

.section h2 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(1.4rem, 4.5vw, 1.8rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
}

.section--close {
  border-top-width: 2px;
  border-top-color: var(--ink);
}

/* ---- evidence list ---- */

.evidence {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
}

.evidence li {
  border-top: 1px solid var(--rule);
  padding-block: 1.15rem;
}

.evidence li:last-child { padding-bottom: 0; }

.evidence h3 {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.evidence h3::before {
  content: "\2713";
  color: var(--red);
  margin-right: 0.6rem;
}

.evidence p { font-size: 1rem; }

/* ---- footer ---- */

.footer {
  border-top: 1px solid var(--rule);
  padding-block: 1.5rem 3rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.footer p { margin: 0 0 0.4rem; }
.footer__tech { color: var(--blue); }

/* ---- 404 ---- */

.notfound { padding-block: clamp(4rem, 14vw, 8rem); }
.notfound h1 { font-size: clamp(2rem, 7vw, 3rem); }

a {
  color: var(--blue);
  text-underline-offset: 0.2em;
}

a:hover { color: var(--red); }

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .caret { animation: none; }
  * { transition: none !important; }
}