/* ============================================================
   MOSAIC LABS — terminal green landing
   ============================================================ */

:root {
  --bg:          #000000;
  --green:       #2bff77;
  --green-bright:#9dffc4;
  --green-dim:   rgba(43, 255, 119, 0.62);
  --green-faint: rgba(43, 255, 119, 0.30);
  --green-ghost: rgba(43, 255, 119, 0.12);
  --glow:        0 0 4px rgba(43, 255, 119, 0.45);
  --maxw:        1056px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* everyone lands zoomed out a notch */
  zoom: 0.8;
}

/* wider screens can breathe a little more */
@media (min-width: 1400px) {
  html { zoom: 0.85; }
}

/* phones stay at full size — 80% is unreadable on a small screen */
@media (max-width: 600px) {
  html { zoom: 1; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--green);
  font-family: "Courier Prime", ui-monospace, "Courier New", Courier, monospace;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--green); color: var(--bg); text-shadow: none; }

a { color: inherit; text-decoration: none; }

/* ---------- CRT scanlines ---------- */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0)   0px,
    rgba(0, 0, 0, 0)   2px,
    rgba(0, 0, 0, 0.28) 3px,
    rgba(0, 0, 0, 0.28) 4px
  );
  mix-blend-mode: multiply;
}

/* ---------- layout ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 32px 90px;
}

/* ---------- header ---------- */
.site-head {
  text-align: center;
  padding-bottom: 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--green);
}

.wordmark {
  font-size: 26px;
  letter-spacing: 0.22em;
  font-weight: 700;
  text-shadow: 0 0 6px rgba(43, 255, 119, 0.5);
}

.site-nav {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.site-nav a {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--green);
  transition: color 0.12s, text-shadow 0.12s;
}

.site-nav a:hover {
  color: var(--green-bright);
  text-shadow: 0 0 8px rgba(43, 255, 119, 0.9);
}

/* ---------- hero ---------- */
.hero {
  text-align: center;
  padding: 34px 0 6px;
}

.ascii {
  margin: 0 auto 22px;
  font-size: 9px;
  line-height: 1.05;
  color: var(--green-dim);
  white-space: pre;
  overflow: hidden;
  min-height: 150px;
  text-shadow: 0 0 3px rgba(43, 255, 119, 0.35);
}

.tag-mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--green-dim);
  margin: 0 0 26px;
}

/* ---------- buttons ---------- */
.cta-row {
  display: flex;
  justify-content: center;
  gap: 34px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 6px 16px;
  font-size: 13px;
  letter-spacing: 0.1em;
  border: 1px solid var(--green);
  transition: all 0.12s;
}

.btn-fill {
  background: var(--green);
  color: var(--bg);
  text-shadow: none;
  box-shadow: 0 0 14px rgba(43, 255, 119, 0.55);
}
.btn-fill:hover { background: var(--green-bright); border-color: var(--green-bright); }

/* ---------- rule ---------- */
.rule {
  border: 0;
  border-top: 1px solid var(--green-faint);
  margin: 58px 0;
}

/* ---------- manifesto ---------- */
.manifesto { text-align: center; }

.big {
  font-size: 30px;
  letter-spacing: 0.14em;
  font-weight: 700;
  margin: 10px 0 16px;
  text-shadow: 0 0 6px rgba(43, 255, 119, 0.4);
}

.tagline {
  font-size: 15px;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--green);
  margin: 0 0 6px;
}

.subline {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green-faint);
  margin: 0 0 38px;
}

.body {
  text-align: justify;
  font-size: 15px;
  line-height: 1.65;
  color: var(--green-dim);
  max-width: 720px;
  margin: 0 auto 44px;
}

.body b { color: var(--green-bright); font-weight: 700; }

.foot {
  font-size: 14px;
  letter-spacing: 0.04em;
  line-height: 1.9;
}
.foot b { font-weight: 700; }

/* ---------- long-form doc sections ---------- */
.doc {
  text-align: left;
  max-width: 864px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.65;
  color: var(--green-dim);
}

.doc-head {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--green);
  margin: 46px 0 14px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--green-faint);
}
.doc-head:first-child { margin-top: 0; }

.doc-sub {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
  margin: 32px 0 10px;
}

.doc-sub2 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--green-dim);
  margin: 24px 0 10px;
}
.doc-sub2::before { content: "\2014\00a0"; }
.doc-sub2::after  { content: "\00a0\2014"; }

.doc p { margin: 0 0 16px; }

.doc ul,
.doc ol {
  margin: 0 0 20px;
  padding: 0;
}

.doc ul { list-style: none; }

.doc ol {
  list-style: none;
  counter-reset: item;
}

.doc li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
}

.doc ul > li::before {
  content: "\2022";
  position: absolute;
  left: 4px;
  color: var(--green);
}

.doc ol > li {
  counter-increment: item;
}

.doc ol > li::before {
  content: counter(item) ".";
  position: absolute;
  left: 0;
  color: var(--green);
}

.term {
  color: var(--green-bright);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.doc code {
  color: var(--green-bright);
  background: var(--green-ghost);
  padding: 0 4px;
}

a.term { color: var(--green-bright); }
a.term:hover { text-shadow: 0 0 8px rgba(43, 255, 119, 0.9); }

/* ---------- formulas ---------- */
.formula {
  display: block;
  margin: 12px 0;
  padding: 12px 16px;
  background: var(--green-ghost);
  border-left: 2px solid var(--green-faint);
  color: var(--green-bright);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
  overflow-x: auto;
}
.doc li > .formula { margin: 8px 0 4px; }

/* ---------- tables ---------- */
.doc .tw { overflow-x: auto; margin: 18px 0; }
.doc table {
  border-collapse: collapse;
  font-size: 12.5px;
  line-height: 1.55;
  min-width: 520px;
  width: 100%;
}
.doc th,
.doc td {
  text-align: left;
  vertical-align: top;
  padding: 8px 12px;
  border: 1px solid var(--green-faint);
}
.doc th { color: var(--green); font-weight: 700; letter-spacing: 0.06em; }
.doc td b { color: var(--green-bright); font-weight: 700; }

.quote {
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 2px solid var(--green-faint);
  font-style: italic;
  color: var(--green);
}

.closer {
  margin-top: 24px;
  font-style: italic;
  color: var(--green-faint);
}

/* ---------- site footer ---------- */
.site-foot {
  border-top: 1px solid var(--green-faint);
  text-align: center;
  padding: 26px 20px 40px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--green-faint);
}
.site-foot p { margin: 4px 0; }
.site-foot .fineprint {
  margin: 16px auto 0;
  max-width: 560px;
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: rgba(43, 255, 119, 0.38);
}

/* ---------- flicker on wordmark ---------- */
.wordmark { position: relative; animation: flicker 6s infinite steps(1); }

@keyframes flicker {
  0%, 92%, 100% { opacity: 1; }
  93%           { opacity: 0.35; }
  94%           { opacity: 1; }
  96%           { opacity: 0.6; }
  97%           { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .wordmark { animation: none; }
  .scanlines { display: none; }
}

/* ---------- small screens ---------- */
@media (max-width: 600px) {
  .wrap { padding: 24px 18px 70px; }
  .wordmark { font-size: 20px; }
  .big { font-size: 24px; }
  .ascii { font-size: 6px; }
  .cta-row { gap: 18px; }
  .body, .doc { font-size: 14px; line-height: 1.75; }
}