/* OCHP home page — Operations Hub landing. Pairs with base.css. */

/* --- Reference hub --- */
main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem 6rem; }

.section-eyebrow {
  display: flex; align-items: center; gap: 14px; justify-content: center;
  font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 2rem;
}
.section-eyebrow::before,
.section-eyebrow::after {
  content: ''; width: 32px; height: 1px; background: var(--gradient);
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.tile {
  position: relative; display: flex; flex-direction: column;
  padding: 1.75rem; background: var(--bg-1);
  border: 1px solid var(--border-1); border-radius: var(--radius-xl);
  text-decoration: none; color: inherit;
  transition: all .25s cubic-bezier(.4, 0, .2, 1);
  overflow: hidden; min-height: 240px;
}
.tile::before {
  content: ''; position: absolute; inset: 0; border-radius: var(--radius-xl);
  background: linear-gradient(135deg, transparent 55%, var(--accent, var(--purple)) 220%);
  opacity: .05; pointer-events: none; transition: opacity .25s;
}
.tile::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent, var(--purple)) 50%, transparent 100%);
  opacity: 0; transition: opacity .25s;
}
.tile.active { cursor: pointer; }
.tile.active:hover {
  border-color: var(--border-2);
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
}
.tile.active:hover::before { opacity: .10; }
.tile.active:hover::after { opacity: .7; }
.tile.locked { opacity: .6; cursor: not-allowed; }

.tile-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 1rem;
}
.tile-icon {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent, var(--purple)) 18%, transparent),
    color-mix(in srgb, var(--accent, var(--purple)) 6%, transparent));
  color: var(--accent, var(--purple));
  border: 1px solid color-mix(in srgb, var(--accent, var(--purple)) 22%, transparent);
}
.tile-icon svg { width: 22px; height: 22px; }

.tile-status {
  font-size: 10px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 100px;
  border: 1px solid var(--border-2); color: var(--text-3);
  display: flex; align-items: center; gap: 6px; white-space: nowrap;
}
.tile-status .pulse {
  width: 6px; height: 6px; border-radius: 50%; background: var(--emerald);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--emerald) 60%, transparent);
  animation: pulse 2.4s cubic-bezier(.4, 0, .6, 1) infinite;
}
.tile-status.live {
  border-color: color-mix(in srgb, var(--emerald) 35%, transparent);
  color: var(--emerald);
}
.tile-status.soon { color: var(--text-3); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--emerald) 60%, transparent); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

.tile-title {
  font-size: 1.4rem; font-weight: 700; letter-spacing: -.02em;
  margin-bottom: .4rem; color: var(--text-1);
}
.tile-desc { font-size: 14px; color: var(--text-2); line-height: 1.5; flex: 1; }

.tile-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border-1);
}
.tile-tag {
  font-size: 11px; font-weight: 600; color: var(--text-3);
  letter-spacing: .06em; text-transform: uppercase;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.tile-arrow {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--accent, var(--purple));
  letter-spacing: -.005em; transition: gap .2s;
}
.tile.active:hover .tile-arrow { gap: 10px; }
.tile-arrow svg { width: 14px; height: 14px; }

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border-1);
  padding: 2.5rem 1.5rem; text-align: center;
  font-size: 12px; color: var(--text-3);
  letter-spacing: .02em;
}
footer .mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
footer a {
  color: var(--text-2); text-decoration: none;
  border-bottom: 1px solid var(--border-2);
}
footer a:hover { color: var(--text-1); border-bottom-color: var(--text-1); }

@media (max-width: 600px) {
  .hero { padding: 4rem 1.25rem 3rem; }
  main { padding: 1rem 1.25rem 4rem; }
  .tile { padding: 1.5rem; min-height: auto; }
}