/* ============================================
   DOOMSDAY — Layout System
   ============================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---- Section ---- */
section {
  padding: var(--space-2xl) 0;
}

.section-title {
  font-family: var(--font-display);
  color: var(--toxic-green);
  text-align: center;
  margin-bottom: var(--space-xl);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 20px var(--toxic-glow), 0 0 40px var(--toxic-glow);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 700px;
  margin: -1.5rem auto var(--space-xl);
  font-size: 0.95rem;
}

/* ---- Grid Systems ---- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

/* ---- Flex Utilities ---- */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ---- Text Utilities ---- */
.text-center { text-align: center; }
.text-green { color: var(--toxic-green); }
.text-yellow { color: var(--hazard-yellow); }
.text-red { color: var(--blood-red); }
.text-muted { color: var(--text-secondary); }

.font-display { font-family: var(--font-display); }
.font-heading { font-family: var(--font-heading); }

/* ---- Page Banner ---- */
.page-banner {
  position: relative;
  height: 40vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, rgba(57,255,20,0.08) 0%, transparent 70%),
              var(--bg-primary);
  overflow: hidden;
  margin-top: var(--nav-height);
}

.page-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(
    -45deg,
    var(--toxic-green-dim) 0,
    var(--toxic-green-dim) 5px,
    transparent 5px,
    transparent 10px
  );
}

.page-banner h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--toxic-green);
  text-transform: uppercase;
  letter-spacing: 4px;
  text-shadow: 0 0 30px var(--toxic-glow-strong),
               0 0 60px var(--toxic-glow);
  z-index: 2;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 var(--space-md);
  }

  section {
    padding: var(--space-xl) 0;
  }

  .page-banner {
    height: 30vh;
    min-height: 220px;
  }
}