/* Sección 5: Módulos (filas alternadas + rastro vertical) */
.modules {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 8rem);
  border-top: 1px solid var(--line);
}
.modules-head { display: flex; flex-direction: column; align-items: center; text-align: center; }

.mods {
  position: relative;
  display: grid;
  gap: clamp(4rem, 9vw, 8rem);
  margin-top: clamp(3rem, 6vw, 5.5rem);
}
.rail {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  border-radius: 2px;
  background: var(--line);
}
.rail i {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(var(--ember-2), var(--crimson));
  box-shadow: 0 0 14px color-mix(in srgb, var(--ember) 60%, transparent);
  transform: scaleY(0);
  transform-origin: top;
}
.mod {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2.4rem, 7vw, 7rem);
}
.mod:nth-of-type(even) .mod-text { order: 2; }
.node {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
  transition: border-color 0.4s, background-color 0.4s, box-shadow 0.4s;
}
.mod.is-active .node {
  border-color: var(--ember);
  background: var(--ember);
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--ember) 18%, transparent), 0 0 24px color-mix(in srgb, var(--ember) 55%, transparent);
}

.mod-text { min-width: 0; }
.mod-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ember-2);
  font: 500 0.74rem/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.mod-kicker span {
  padding: 0.3rem 0.5rem;
  border: 1px solid color-mix(in srgb, var(--ember) 40%, var(--line));
  border-radius: 6px;
  color: var(--text-2);
}
.mod-text h3 {
  margin-top: 1.1rem;
  font: 700 clamp(1.7rem, 3.4vw, 2.6rem) / 1.08 var(--font-display);
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.mod-desc { max-width: 30rem; margin-top: 1rem; color: var(--text-2); font-size: clamp(1rem, 1.5vw, 1.1rem); line-height: 1.6; }
.ticks { display: grid; gap: 0.7rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.ticks li { display: flex; align-items: flex-start; gap: 0.7rem; color: var(--text); font-size: 0.98rem; line-height: 1.45; }
.ticks .ico {
  width: 22px;
  height: 22px;
  margin-top: -1px;
  padding: 4px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ember) 16%, transparent);
  color: var(--ember-2);
}

.mod-visual { min-width: 0; }
.mock { will-change: transform; }
.mock-body { padding: clamp(1rem, 2.2vw, 1.5rem); }
.mock-title { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.6rem; margin-bottom: 1.1rem; }
.mock-title h4 { font: 700 1.25rem/1.2 var(--font-display); letter-spacing: -0.02em; }
.m-note { margin-top: 1rem; color: var(--text-3); font-size: 0.8rem; line-height: 1.5; }

.formula { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 0.6rem; }
.f-op { color: var(--text-3); font: 500 1.4rem/1 var(--font-mono); }
.f-cell { padding: 0.8rem 0.9rem; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.f-cell small { display: block; color: var(--text-3); font: 500 0.66rem/1.2 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; }
.f-cell b { display: block; margin-top: 0.35rem; font: 500 clamp(1rem, 2vw, 1.35rem) / 1.1 var(--font-mono); letter-spacing: -0.03em; white-space: nowrap; }
.f-cell--result { border-color: color-mix(in srgb, var(--crimson) 45%, var(--line)); }
.f-cell--result b { color: var(--danger-text); }
.mock .margin-bar { margin-top: 2rem; }
.m-rows { display: grid; gap: 0.6rem; margin: 1.3rem 0 0; padding: 0; list-style: none; }
.m-rows li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.65rem 0.85rem; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); color: var(--text-2); font-size: 0.86rem; }
.src { padding: 0.3rem 0.65rem; border: 1px solid var(--line); border-radius: 999px; color: var(--text-2); font: 500 0.7rem/1.2 var(--font-mono); }
.src--ok { border-color: color-mix(in srgb, var(--pos) 40%, var(--line)); color: var(--pos); }

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.filters button {
  min-height: 44px;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text-2);
  font: 500 0.84rem/1.2 var(--font-body);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}
.filters button:hover { color: var(--text); border-color: var(--ember-2); }
.filters button[aria-pressed="true"] { border-color: var(--ember); background: var(--ember); color: var(--on-ember); font-weight: 600; }
.mock .recs { display: grid; gap: 0.6rem; margin: 0; padding: 0; list-style: none; }
.mock .rec-card[hidden] { display: none; }

.brief-head { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.1rem; }
.brief-ico { display: grid; flex: none; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: color-mix(in srgb, var(--amber) 18%, transparent); color: var(--amber); }
.brief-ico .ico { width: 22px; height: 22px; }
.brief-head small, .brief-sum small { display: block; color: var(--text-3); font: 500 0.68rem/1.3 var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; }
.brief-head b { display: block; margin-top: 0.3rem; font: 700 1.1rem/1.3 var(--font-display); letter-spacing: -0.02em; }
.brief-list { display: grid; gap: 0.6rem; margin: 0; padding: 0; list-style: none; }
.brief-list li { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: 0.8rem; padding: 0.85rem 0.95rem; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.brief-list .dot { margin-top: 0.4rem; }
.dot--warn { background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.brief-list b { display: block; font-size: 0.92rem; font-weight: 600; }
.brief-list small { display: block; margin-top: 0.15rem; color: var(--text-3); font-size: 0.8rem; line-height: 1.45; }
.brief-sum { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.6rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px dashed var(--line); }
.brief-sum b { display: block; margin-top: 0.3rem; font: 500 1.1rem/1.1 var(--font-mono); letter-spacing: -0.02em; }

.stock { display: grid; gap: 1.1rem; margin: 0; padding: 0; list-style: none; }
.stock li { display: grid; grid-template-columns: 5.2rem minmax(0, 1fr) 4.6rem; align-items: center; gap: 0.8rem; }
.s-name { font-size: 0.9rem; font-weight: 500; }
.s-bar { position: relative; display: block; height: 10px; border-radius: 999px; background: var(--bg-3); }
.s-bar i { position: absolute; inset: 0; border-radius: inherit; transform: scaleX(var(--w)); transform-origin: left; }
.s-bar--danger i { background: linear-gradient(90deg, var(--ember), var(--crimson)); }
.s-bar--warn i { background: linear-gradient(90deg, var(--ember-2), var(--amber)); }
.s-bar--ok i { background: linear-gradient(90deg, var(--pos), color-mix(in srgb, var(--pos) 60%, var(--ember-2))); }
.s-min { position: absolute; top: -5px; bottom: -5px; left: 30%; width: 2px; background: var(--text-2); }
.stock em { color: var(--text); font: 500 0.86rem/1 var(--font-mono); font-style: normal; text-align: right; }

.imp-file { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 0.8rem; padding: 0.75rem 0.9rem; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.imp-file b { display: block; font: 500 0.88rem/1.3 var(--font-mono); }
.imp-file small { display: block; margin-top: 0.15rem; color: var(--text-3); font-size: 0.78rem; }
.imp-file--error { margin-top: 1.4rem; border-color: color-mix(in srgb, var(--amber) 40%, var(--line)); }
.row-ico--warn { background: var(--warn-bg); color: var(--warn-text); }
.imp-progress { height: 6px; margin-top: 0.8rem; overflow: hidden; border-radius: 999px; background: var(--bg-3); }
.imp-progress i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--ember-2), var(--ember)); transform-origin: left; }
.imp-ok { display: inline-flex; align-items: center; gap: 0.45rem; margin-top: 0.8rem; color: var(--pos); font-size: 0.86rem; font-weight: 600; }
.imp-ok .ico { width: 1em; height: 1em; }
.imp-errors { display: grid; gap: 0.5rem; margin: 0.8rem 0 0; padding: 0; list-style: none; }
.imp-errors li { display: grid; grid-template-columns: 4.4rem minmax(0, 1fr); gap: 0.7rem; padding: 0.6rem 0.85rem; border: 1px dashed color-mix(in srgb, var(--amber) 40%, var(--line)); border-radius: 10px; color: var(--text-2); font-size: 0.84rem; line-height: 1.45; }
.imp-errors span { color: var(--warn-text); font: 500 0.74rem/1.6 var(--font-mono); }

.modules-cta { display: flex; flex-direction: column; align-items: center; gap: 1.2rem; margin-top: clamp(4rem, 8vw, 7rem); text-align: center; }
.modules-cta p { max-width: 24rem; font: 700 clamp(1.3rem, 3vw, 1.8rem) / 1.2 var(--font-display); letter-spacing: -0.025em; }

@media (max-width: 1023px) {
  .rail { left: 12px; margin-left: 0; }
  .node { left: 13px; top: 1.2rem; }
  .mod { grid-template-columns: minmax(0, 1fr); gap: 1.6rem; padding-left: 2.6rem; }
  .mod:nth-of-type(even) .mod-text { order: 0; }
  .mods { gap: clamp(3.4rem, 10vw, 5rem); }
}

@media (max-width: 600px) {
  .mod { padding-left: 2.1rem; }
  .formula { grid-template-columns: minmax(0, 1fr); gap: 0.4rem; }
  .f-op { display: none; }
  .f-cell { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 0.6rem; }
  .f-cell b { margin: 0; }
  .brief-sum { grid-template-columns: minmax(0, 1fr); gap: 0.5rem; }
  .brief-sum > div { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; }
  .brief-sum b { margin: 0; }
  .stock li { grid-template-columns: 4.4rem minmax(0, 1fr) 4rem; gap: 0.6rem; }
  .imp-errors li { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
}