/* =================================================================
   mkrops.io — page CSS (the TEAL ops/engine surface)
   Adds ONLY what _shared/family.css lacks: the ports two-column,
   the ring node-chain + arrow connectors, the CTA band, and a few
   ops-specific touches. --accent resolves to teal via body[data-surface="io"].
   Reuses shared .wrap/.section/.panel/.row/.card/.grid/.ticker/.foot.
   ================================================================= */

/* inline code token, used in ledes/cards/meta */
.inline {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--accent-bright);
  background: var(--accent-glow);
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  border-radius: 5px;
  padding: 0.04em 0.36em;
}

/* ---------------------------------------------------------------
   PORTS · PROTOCOLS · SERVICES — two panels side by side
   --------------------------------------------------------------- */
.ports {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
  margin-top: 2rem;
}
.ports .row__k { min-width: 4.5rem; }

/* ---------------------------------------------------------------
   THE RING — horizontal node-chain with arrow connectors.
   Each node carries its real ring.json accent via --node-accent.
   Wraps on narrow screens; arrows hide when wrapped.
   --------------------------------------------------------------- */
.ring {
  list-style: none;
  margin: 2.2rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.4rem;
}

.node {
  flex: 1 1 9.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--ink-800), var(--ink-850));
  border: 1px solid var(--line);
  border-top: 2px solid var(--node-accent, var(--accent));
  border-radius: var(--radius);
  padding: 1.05rem 1.05rem 1.15rem;
  box-shadow: var(--shadow-soft);
  transition: transform .16s ease, border-color .16s ease;
}
.node:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--node-accent, var(--accent)) 60%, var(--line));
}

/* the node where the visitor IS (the .io surface) gets a soft tint glow */
.node--here {
  background:
    radial-gradient(120% 80% at 50% 0%, color-mix(in srgb, var(--node-accent) 12%, transparent), transparent 70%),
    linear-gradient(180deg, var(--ink-800), var(--ink-850));
}

/* the tail node carries an open-broadcast hint via a dashed right edge */
.node--tail::after {
  content: "tail";
  position: absolute;
  top: 0.7rem; right: 0.7rem;
  font-family: var(--mono);
  font-size: 0.56rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--node-accent);
  border: 1px dashed color-mix(in srgb, var(--node-accent) 50%, transparent);
  border-radius: 4px;
  padding: 0.05rem 0.3rem;
}

.node__top {
  display: flex; align-items: center; gap: 0.45rem;
  margin-bottom: 0.55rem;
}
.node__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--node-accent, var(--accent));
  box-shadow: 0 0 9px color-mix(in srgb, var(--node-accent, var(--accent)) 70%, transparent);
  flex: none;
}
.node__id {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fg);
  letter-spacing: 0.02em;
}
.node__top .tag { margin-left: auto; }

.node__title {
  margin: 0 0 0.3rem;
  font-size: 1.02rem;
  font-weight: 660;
  letter-spacing: -0.015em;
  color: var(--fg);
}
.node__role {
  margin: 0 0 0.7rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--fg-soft);
}
.node__spine {
  margin: auto 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--fg-mute);
  padding-top: 0.6rem;
  border-top: 1px solid var(--line-soft);
}

/* arrow connector between nodes — one-way propagation */
.node__edge {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.1rem;
}
.node__arrow {
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--fg-faint);
}

/* the loop-home line under the chain */
.ring__loop {
  margin: 1.4rem 0 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fg-mute);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.ring__loop-arrow {
  color: var(--accent);
  font-size: 1.05rem;
  line-height: 1;
}
.ring__loop .inline { font-size: 0.82em; }

/* ---------------------------------------------------------------
   TICKER NOTE — honesty line under the sample feed
   --------------------------------------------------------------- */
.ticker__note {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--fg-mute);
}

/* ---------------------------------------------------------------
   CTA BAND
   --------------------------------------------------------------- */
.cta {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 3.2rem 0;
  background:
    radial-gradient(90% 120% at 0% 50%, var(--accent-glow), transparent 60%),
    var(--ink-850);
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta__title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 680;
  letter-spacing: -0.025em;
  color: var(--fg);
}
.cta__lede {
  margin: 0;
  max-width: 50ch;
  color: var(--fg-soft);
  font-size: 1rem;
}

/* ---------------------------------------------------------------
   RESPONSIVE — collapse the ports + ring on narrow viewports.
   The shared sheet already collapses .grid--* and hides .nav__links.
   --------------------------------------------------------------- */
@media (max-width: 880px) {
  .ports { grid-template-columns: 1fr; }
  /* stack the ring vertically; turn horizontal arrows into down arrows */
  .ring { flex-direction: column; align-items: stretch; }
  .node { flex: 1 1 auto; }
  .node__edge { padding: 0.1rem 0; }
  .node__arrow { transform: rotate(90deg); display: inline-block; }
}