/* ============================================================================
   ENTROPA — entropa.space
   8-bit green-screen CRT terminal theme. Press Start 2P for headings/accents,
   VT323 for readable body copy. Pure CSS, no framework.
   ============================================================================ */

:root {
  --bg:        #020806;
  --panel:     #04130c;
  --green:     #38ff9d;   /* phosphor */
  --green-dim: #1f9c63;
  --green-deep:#0c5a39;
  --amber:     #ffcf4a;
  --text:      #b9f6d6;
  --muted:     #5fb98c;
  --line:      #0e4a31;
  --glow:      0 0 6px rgba(56, 255, 157, 0.55);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'VT323', 'Courier New', monospace;
  font-size: 21px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  text-shadow: 0 0 1px rgba(56, 255, 157, 0.25);
}

/* CRT scanlines + vignette overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0) 0px,
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 0, 0, 0.22) 3px,
      rgba(0, 0, 0, 0.22) 4px
    ),
    radial-gradient(ellipse at center, rgba(0,0,0,0) 60%, rgba(0,0,0,0.55) 100%);
}

/* ── Starfield: space / atomic parallax background ─────────────────────── */
.starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.star-layer {
  position: absolute;
  inset: -12%;            /* oversized so the drift never reveals an edge */
  will-change: transform;
}
.star-layer.far  { animation: drift 95s ease-in-out infinite alternate; }
.star-layer.mid  { animation: drift 62s ease-in-out infinite alternate; }
.star-layer.near { animation: drift 41s ease-in-out infinite alternate; }
@keyframes drift {
  from { transform: translate3d(-1.5%, 1.5%, 0); }
  to   { transform: translate3d(1.5%, -3%, 0); }
}
.star {
  position: absolute;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 4px rgba(56, 255, 157, 0.8);
  animation: twinkle 3s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50%      { opacity: 0.12; transform: scale(0.55); }
}
/* Respect users who prefer no motion. */
@media (prefers-reduced-motion: reduce) {
  .star-layer, .star { animation: none !important; }
}

/* Content sits above the starfield (which owns z-index 0). */
main, footer { position: relative; z-index: 1; }

a { color: var(--green); text-decoration: none; }
a:hover { color: #eafff3; text-shadow: var(--glow); }

.pixel { font-family: 'Press Start 2P', monospace; }

/* ── Nav ───────────────────────────────────────────────────────────────── */
.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  border-bottom: 2px solid var(--line);
  background: rgba(2, 8, 6, 0.92);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(2px);
}
.brand {
  font-family: 'Press Start 2P', monospace;
  font-size: 15px;
  color: var(--green);
  text-shadow: var(--glow);
  letter-spacing: 1px;
}
.brand .blink { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.navlinks { display: flex; gap: 22px; }
.navlinks a {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.navlinks a:hover, .navlinks a.active { color: var(--green); text-shadow: var(--glow); }

/* ── Layout ────────────────────────────────────────────────────────────── */
main { flex: 1; padding: 56px 24px 80px; }
.wrap { max-width: 860px; margin: 0 auto; }

section { margin-bottom: 56px; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  border: 2px solid var(--line);
  border-top: 4px solid var(--green-dim);
  background: linear-gradient(160deg, #04130c 0%, #020806 100%);
  padding: 44px 40px;
  box-shadow: inset 0 0 40px rgba(12, 90, 57, 0.25);
}
.eyebrow {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(18px, 3.6vw, 30px);
  line-height: 1.45;
  color: var(--green);
  text-shadow: var(--glow);
  margin-bottom: 22px;
}
.hero .lede { font-size: 24px; color: var(--text); margin-bottom: 14px; }
.hero .sub { font-size: 21px; color: var(--muted); }

/* ── Headings ──────────────────────────────────────────────────────────── */
h2.section-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 14px;
  color: var(--green);
  letter-spacing: 1px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}
h2.section-title::before { content: "> "; color: var(--green-dim); }

h3 {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: var(--amber);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

p { margin-bottom: 16px; color: var(--text); }
p strong { color: #eafff3; }

/* ── Cards grid ────────────────────────────────────────────────────────── */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 20px 22px;
  transition: border-color .15s, box-shadow .15s;
}
.card:hover { border-color: var(--green-dim); box-shadow: inset 0 0 24px rgba(12,90,57,.3); }
.card p { font-size: 19px; color: var(--muted); margin-bottom: 0; }
.card p:first-of-type { color: var(--text); }

/* ── Pills / badges ────────────────────────────────────────────────────── */
.pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  display: inline-block;
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: var(--green);
  background: #04130c;
  border: 1px solid var(--green-deep);
  padding: 8px 10px;
  letter-spacing: 1px;
}

/* ── Status line ───────────────────────────────────────────────────────── */
.statusline {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  color: var(--muted);
  border: 1px dashed var(--line);
  padding: 12px 14px;
  letter-spacing: 1px;
}
.statusline .ok { color: var(--green); }

/* ── CTA ───────────────────────────────────────────────────────────────── */
.cta { text-align: center; padding: 8px 0 0; }
.btn {
  display: inline-block;
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: var(--bg);
  background: var(--green);
  border: 2px solid var(--green);
  padding: 14px 22px;
  letter-spacing: 1px;
  box-shadow: var(--glow);
  transition: transform .1s;
}
.btn:hover { color: var(--bg); transform: translateY(-2px); }
.btn.ghost { color: var(--green); background: transparent; }
.btn.ghost:hover { color: #eafff3; }

/* ── Team page ─────────────────────────────────────────────────────────── */
.identity { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-bottom: 18px; }
.avatar {
  width: 78px; height: 78px;
  display: grid; place-items: center;
  border: 2px solid var(--green-dim);
  background: #04130c;
  font-family: 'Press Start 2P', monospace;
  font-size: 22px;
  color: var(--green);
  text-shadow: var(--glow);
  flex-shrink: 0;
}
.avatar-img {
  width: 86px;
  height: 104px;
  object-fit: cover;
  border: 2px solid var(--green-dim);
  background: #04130c;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(56, 255, 157, 0.35);
}
.role { font-size: 19px; color: var(--muted); }
.exp-item { border-left: 2px solid var(--line); padding-left: 18px; margin-bottom: 22px; }
.exp-item .when { font-family: 'Press Start 2P', monospace; font-size: 9px; color: var(--green-dim); letter-spacing: 1px; }
ul.bullets { list-style: none; margin: 8px 0 0; }
ul.bullets li { position: relative; padding-left: 20px; margin-bottom: 8px; color: var(--muted); }
ul.bullets li::before { content: "▮"; position: absolute; left: 0; color: var(--green-dim); font-size: 14px; }

/* ── Footer ────────────────────────────────────────────────────────────── */
footer {
  border-top: 2px solid var(--line);
  padding: 26px 24px;
  text-align: center;
}
footer .tag { font-family: 'Press Start 2P', monospace; font-size: 9px; color: var(--green-dim); letter-spacing: 1px; margin-bottom: 8px; }
footer .small { font-size: 17px; color: var(--muted); }

/* ── Continuum diagram (inline SVG) ────────────────────────────────────── */
.diagram {
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 18px 16px 12px;
  margin: 22px 0 18px;
}
.diagram svg { width: 100%; height: auto; display: block; }

.d-title     { font-family: 'Press Start 2P', monospace; font-size: 11px; fill: var(--green); }
.d-title-dim { font-family: 'Press Start 2P', monospace; font-size: 11px; fill: var(--green-dim); }
.d-cap       { font-family: 'VT323', monospace; font-size: 16px; fill: var(--muted); }
.d-divider   { stroke: var(--line); stroke-width: 1; stroke-dasharray: 3 5; }

.d-block       { fill: #04130c; stroke: var(--green-dim); stroke-width: 2; }
.d-edge        { stroke: var(--green-deep); stroke-width: 1.5; }
.d-edge-dim    { stroke: var(--green-dim); stroke-width: 1.5; }
.d-space       { fill: #04130c; stroke: var(--green); stroke-width: 2; }
.d-anchor      { fill: var(--green); stroke: var(--green); filter: drop-shadow(0 0 4px rgba(56,255,157,.9)); }
.d-singularity { fill: var(--amber); stroke: var(--amber); filter: drop-shadow(0 0 5px rgba(255,207,74,.8)); }
.d-collapse    { fill: none; stroke: var(--green); stroke-width: 2; stroke-dasharray: 4 4; opacity: .55; }

.diagram-legend {
  display: flex; flex-wrap: wrap; gap: 20px; justify-content: center;
  margin-top: 6px; font-size: 17px; color: var(--muted);
}
.diagram-legend span { display: inline-flex; align-items: center; gap: 8px; }
.diagram-legend i { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.lg-anchor { background: var(--green); box-shadow: 0 0 5px var(--green); }
.lg-space  { background: #04130c; border: 2px solid var(--green); }

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  body { font-size: 19px; }
  .grid { grid-template-columns: 1fr; }
  .topnav { padding: 14px 16px; flex-direction: column; gap: 12px; }
  .hero { padding: 30px 22px; }
  main { padding: 36px 16px 60px; }
}