/* ============================================================
   COLONY ZERO :: design tokens & base
   The UI supports the artwork. It never competes with it.
   ============================================================ */

:root {
  /* Surfaces: almost-black, never pure black */
  --bg:            #080B10;
  --bg-deep:       #05070B;
  --panel:         #0C1119;
  --panel-raised:  #111823;
  --line:          #1B2531;
  --line-bright:   #27384A;

  /* Pulled from the artwork */
  --colony-blue:   #5486D6;
  --signal-cyan:   #63D9E2;
  --signal-dim:    #2E6F79;
  --colony-red:    #C0322C;
  --colony-red-dk: #8E1723;
  --ember:         #F5A623;

  /* Type */
  --white:         #E9EDF3;
  --muted:         #8A97A8;
  --muted-dim:     #5B6878;

  --font-display: "Space Grotesk", "Sora", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Interface lettering: the small sci-fi labels */
  --tracking-ui: 0.22em;

  --nav-h: 76px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --gutter: clamp(20px, 5vw, 72px);
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

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

/* ---------- Interface lettering ---------- */
.ui-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-ui);
  text-transform: uppercase;
  color: var(--muted-dim);
}
.ui-label--cyan { color: var(--signal-cyan); }

.ui-value {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
}

/* Status dot */
.dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--signal-cyan);
  box-shadow: 0 0 8px var(--signal-cyan);
  margin-right: 8px;
  vertical-align: middle;
  animation: pulse 2.4s var(--ease) infinite;
}
.dot--off { background: var(--muted-dim); box-shadow: none; animation: none; }
.dot--red { background: var(--colony-red); box-shadow: 0 0 8px var(--colony-red); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* ---------- Display type ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}

.display-xl {
  font-size: clamp(2.6rem, 7.5vw, 6rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.display-lg {
  font-size: clamp(2rem, 5vw, 3.6rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.display-md {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  text-transform: uppercase;
}

.lede {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--muted);
  max-width: 58ch;
}

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(80px, 12vh, 160px);
  position: relative;
}

.section-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.section-mark::after {
  content: "";
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, var(--line-bright), transparent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--tracking-ui);
  text-transform: uppercase;
  border: 1px solid var(--line-bright);
  color: var(--white);
  background: rgba(12, 17, 25, 0.6);
  backdrop-filter: blur(8px);
  transition: border-color .35s var(--ease), color .35s var(--ease),
              background .35s var(--ease), transform .35s var(--ease);
  position: relative;
}
.btn:hover {
  border-color: var(--signal-cyan);
  color: var(--signal-cyan);
  transform: translateY(-1px);
}
.btn--primary {
  border-color: var(--signal-dim);
  background: rgba(99, 217, 226, 0.06);
  color: var(--white);
}
.btn--primary:hover {
  background: rgba(99, 217, 226, 0.12);
  border-color: var(--signal-cyan);
  box-shadow: 0 0 34px -10px var(--signal-cyan);
  color: var(--white);
}
.btn[disabled] { opacity: .4; pointer-events: none; }

/* ---------- Panels ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}