/* ==========================================================================
   qriousman.dev — "Quiet Signal"
   Dark editorial + radar motif. Syne display / IBM Plex Mono body.
   No gradients (except the radar's conic sweep), no cards, no glass.
   ========================================================================== */

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --text: #e8e8e6;
  --text-2: #888885;
  --accent: #e8c547;        /* signal — radar beam, numbers, hover underlines */
  --quiet: #2a7d4f;         /* atmosphere only, never interactive */
  --rule: #222222;
  --display: "Syne", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --s1: 16px; --s2: 32px; --s3: 48px; --s4: 64px; --s5: 96px;
  --measure: 680px;
}

/* --- reset ---------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

::selection { background: var(--accent); color: var(--bg); }

/* --- focus & skip link ----------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

.skip-link {
  position: absolute;
  left: 24px; top: -100px;
  z-index: 100;
  padding: 8px 14px;
  background: var(--accent);
  color: var(--bg);
  font-size: 13px;
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --- links ------------------------------------------------------------------ */

a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: #444;
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s ease, color 0.2s ease;
}
a:hover { text-decoration-color: var(--accent); color: #fff; }

/* --- header ------------------------------------------------------------------ */

.site-head {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid #161616;
  transform: translateY(0);
  transition: transform 0.25s ease-out;
}
.site-head.is-hidden { transform: translateY(-100%); }

.site-head nav {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s1);
}

.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
}
.wordmark::after { content: "*"; color: var(--accent); }
.wordmark:hover { color: #fff; }

.site-head ul {
  display: flex;
  gap: 22px;
  list-style: none;
}
.site-head ul a {
  font-size: 13px;
  color: var(--text-2);
  text-decoration: none;
}
.site-head ul a:hover { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }

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

.hero {
  position: relative;
  overflow: hidden;
  padding: 168px 24px 104px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--measure);
  margin: 0 auto;
}

.kicker {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: var(--s1);
}

.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(44px, 9.5vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: var(--s2);
}

.positioning {
  font-size: 17px;
  line-height: 1.75;
  max-width: 560px;
}
.positioning strong { font-weight: 400; color: #fff; }

/* --- radar (signature element — appears once, hero only) ----------------------- */

.radar {
  position: absolute;
  width: 220px; height: 220px;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 0;              /* behind the text block */
  pointer-events: none;
}

/* outer + inner ring — quiet green, atmosphere only */
.radar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(42, 125, 79, 0.35);
}
.radar-ring::before {
  content: "";
  position: absolute;
  inset: 24%;
  border-radius: 50%;
  border: 1px solid rgba(42, 125, 79, 0.20);
}

/* center dot */
.radar::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 4px; height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: rgba(232, 197, 71, 0.8);
}

/* one expanding ripple, fades to nothing */
.radar::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(42, 125, 79, 0.45);
  animation: radar-ripple 4s ease-out infinite;
}

/* the sweep — slow 8s beam in signal yellow */
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(transparent 340deg, rgba(232, 197, 71, 0.45) 360deg);
  animation: radar-spin 8s linear infinite;
}

@keyframes radar-spin {
  to { transform: rotate(360deg); }
}
@keyframes radar-ripple {
  0%   { transform: scale(0.22); opacity: 0.9; }
  100% { transform: scale(1);    opacity: 0; }
}

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

main > section {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 24px var(--s5);
  scroll-margin-top: 88px;
}

section h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 28px;
  padding-top: var(--s3);
  margin-bottom: var(--s2);
}

#now p {
  max-width: 580px;
  color: var(--text);
}

/* --- selected work: numbered list, not cards -------------------------------------- */

.work-list {
  list-style: none;
  counter-reset: work;
}

.work-list li {
  counter-increment: work;
  padding: 26px 0;
  border-bottom: 1px solid var(--rule);
}
.work-list li:first-child { border-top: 1px solid var(--rule); }

.entry-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.25;
  margin-bottom: 8px;
}
.entry-title::before {
  content: counter(work, decimal-leading-zero) ". ";
  color: var(--accent);
  font-feature-settings: "tnum";
}

.entry-title a {
  text-decoration: none;
  position: relative;
}
.entry-title a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -3px;
  height: 1px; width: 0;
  background: var(--accent);
  transition: width 0.2s ease;
}
.entry-title a:hover::after,
.entry-title a:focus-visible::after { width: 100%; }

.work-list p { font-size: 14px; line-height: 1.7; max-width: 580px; }

.tags {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-2);
  text-align: right;
  word-spacing: 0.75em;
}

/* --- writing ------------------------------------------------------------------------ */

.post-entry { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 26px 0; }

.post-entry h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.35;
  margin-bottom: 6px;
}
.post-entry h3 a { text-decoration: none; position: relative; }
.post-entry h3 a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -3px;
  height: 1px; width: 0;
  background: var(--accent);
  transition: width 0.2s ease;
}
.post-entry h3 a:hover::after,
.post-entry h3 a:focus-visible::after { width: 100%; }

.post-date { font-size: 12px; color: var(--text-2); margin-bottom: 8px; }
.post-entry p:last-child { font-size: 14px; max-width: 580px; }

/* --- contact -------------------------------------------------------------------------- */

.contact-list div {
  display: flex;
  align-items: baseline;
  gap: var(--s1);
  padding: 10px 0;
}
.contact-list dt {
  flex: 0 0 84px;
  font-size: 13px;
  color: var(--text-2);
}
.contact-list dd { font-size: 15px; }

.copy-email {
  font: inherit;
  font-size: 15px;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-decoration-color: #444;
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s ease;
}
.copy-email:hover { text-decoration-color: var(--accent); }

.copy-hint {
  margin-left: 12px;
  font-size: 12px;
  color: var(--text-2);
  transition: color 0.2s ease;
}
.copy-hint::before { content: "[ copy ]"; }
.copy-email.copied .copy-hint { color: var(--accent); }
.copy-email.copied .copy-hint::before { content: "[ copied ]"; }

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

.site-foot {
  border-top: 1px solid var(--rule);
  padding: var(--s2) 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-2);
}
.site-foot a { color: var(--text-2); }
.site-foot a:hover { color: var(--text); }

/* --- blog post page ------------------------------------------------------------------------ */

.post {
  max-width: 640px;
  margin: 0 auto;
  padding: 152px 24px var(--s5);
}

.back-link {
  display: inline-block;
  font-size: 13px;
  color: var(--text-2);
  text-decoration: none;
  margin-bottom: var(--s3);
}
.back-link:hover { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); }

.post h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(32px, 6.5vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: var(--s1);
}

.post-meta { font-size: 13px; color: var(--text-2); margin-bottom: var(--s4); }

.post h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.3;
  margin: var(--s4) 0 var(--s1);
  padding: 0;
}

.post p { margin-bottom: 1.4em; line-height: 1.75; }

.post a { text-decoration-color: var(--accent); }

.post code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 1px 6px;
  white-space: nowrap;
}

.post pre {
  background: var(--surface);
  border-left: 2px solid var(--accent);
  padding: var(--s1);
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 1.4em;
}
.post pre code { background: none; border: none; padding: 0; white-space: pre; }

.post-foot {
  margin-top: var(--s4);
  padding-top: var(--s2);
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: var(--text-2);
}
.post-foot .back-link { margin-bottom: 0; }

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

.lost {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}
.lost .radar {
  position: relative;
  right: auto; top: auto;
  transform: none;
  width: 160px; height: 160px;
  margin-bottom: var(--s3);
}
.lost h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 44px;
  line-height: 1;
  margin-bottom: var(--s1);
}
.lost p { color: var(--text-2); font-size: 15px; margin-bottom: var(--s2); }

/* --- responsive (single breakpoint per brief; holds to 360px) ------------------------------- */

@media (max-width: 767px) {
  .hero { padding: 132px 24px 72px; }

  .radar {
    position: relative;   /* keeps ring/sweep children contained */
    right: auto; top: auto;
    transform: none;
    width: 140px; height: 140px;
    margin: var(--s3) auto 0;
  }
  /* radar div sits before hero-inner in source; push it below visually */
  .hero { display: flex; flex-direction: column; }
  .hero .radar { order: 2; }
  .hero .hero-inner { order: 1; }

  .site-head nav { flex-wrap: wrap; padding: 12px 24px; }
  .site-head ul { gap: 18px; }

  main > section { padding-bottom: var(--s4); }

  .contact-list div { flex-direction: column; gap: 2px; }
  .contact-list dt { flex: none; }
  .tags { text-align: left; }
}

/* --- reduced motion: radar freezes to static rings, transitions collapse -------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .radar-sweep { animation: none; opacity: 0; }
  .radar::after { animation: none; opacity: 0.35; transform: scale(0.6); }
  .site-head { transition: none; }
  *, *::before, *::after { transition-duration: 0ms !important; }
}