/* =========================
   Root Tokens
========================= */
:root {
  --bg-primary: #101214;
  --bg-secondary: #171a1f;
  --text-primary: #f2f4f8;
  --text-secondary: #a4adb8;
  --accent-red: #b11226;
  --line-color: #2a313c;
  --max-content: 76rem;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;
}

/* =========================
   Base
========================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 20% 15%, #1e232c 0%, transparent 40%),
    radial-gradient(circle at 80% 90%, #1a1f27 0%, transparent 45%),
    linear-gradient(160deg, var(--bg-primary), #0b0d10 70%);
  color: var(--text-primary);
  font-family: "Chakra Petch", "Segoe UI", sans-serif;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

body.is-ready {
  opacity: 1;
  transform: translateY(0);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* =========================
   Atmosphere Layers
========================= */
.scanline-overlay,
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.scanline-overlay {
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.015) 0,
    rgba(255, 255, 255, 0.015) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.35;
}

.grid-overlay {
  background-image:
    linear-gradient(rgba(177, 18, 38, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(177, 18, 38, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, #000 35%, transparent 90%);
  animation: grid-drift 18s linear infinite;
  opacity: 0.22;
}

/* =========================
   Layout
========================= */
.site-shell,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-shell {
  min-height: calc(100vh - 8rem);
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--space-8) var(--space-4) var(--space-6);
  display: grid;
  gap: var(--space-7);
  align-content: center;
}

.hero {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: var(--space-3);
}

.logo {
  width: min(15rem, 58vw);
  filter: drop-shadow(0 0 24px rgba(177, 18, 38, 0.2));
}

h1,
h2 {
  font-family: "Orbitron", "Segoe UI", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 800;
}

.subtitle {
  max-width: 56ch;
  color: var(--text-secondary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: clamp(0.72rem, 1.45vw, 0.92rem);
}

.divider {
  width: min(36rem, 82vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-red) 18%, var(--accent-red) 82%, transparent);
}

.coming-soon {
  border: 1px solid var(--line-color);
  background: linear-gradient(160deg, rgba(23, 26, 31, 0.74), rgba(12, 14, 17, 0.88));
  padding: clamp(1.2rem, 4.2vw, 2.2rem);
  display: grid;
  gap: var(--space-3);
}

h2 {
  font-size: clamp(1.8rem, 3.3vw, 2.7rem);
  color: var(--text-primary);
}

.coming-soon p {
  max-width: 70ch;
  color: #c7ced8;
  font-size: clamp(0.98rem, 1.8vw, 1.1rem);
}

.signalcore {
  color: var(--accent-red);
  font-weight: 600;
  letter-spacing: 0.08em;
  display: inline-block;
  transition: color 220ms ease, text-shadow 220ms ease;
}

.signalcore:hover,
.signalcore:focus-visible {
  color: #db2a40;
  text-shadow: 0 0 10px rgba(177, 18, 38, 0.45);
  outline: none;
}

.site-footer {
  text-align: center;
  padding: var(--space-5) var(--space-3) var(--space-6);
  color: #8f98a5;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* =========================
   Motion
========================= */
@keyframes grid-drift {
  from {
    transform: translateY(0);
  }

  to {
    transform: translateY(44px);
  }
}

@media (prefers-reduced-motion: reduce) {
  body {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .grid-overlay {
    animation: none;
  }

  .signalcore {
    transition: none;
  }
}

/* =========================
   Responsive
========================= */
@media (max-width: 48rem) {
  .site-shell {
    padding-top: var(--space-7);
    gap: var(--space-6);
  }

  .coming-soon {
    text-align: left;
  }

  .site-footer {
    padding-bottom: var(--space-5);
    font-size: 0.75rem;
  }
}