/* Case file 03, Creative Factory: architecture flow, layers, plugin tree, pipelines, charts on dark. */

/* Architecture flow */
.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.flow .stage {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 20px 18px 18px;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 2px;
}

.flow .stage + .stage::before {
  content: "\2192";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 14px;
  transform: translateY(-50%);
  text-align: center;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--signal);
}

.flow .step {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-deep);
}

.flow h3 {
  margin: 8px 0 10px;
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
}

.flow p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--ink-2);
}

.flow .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
  padding-top: 14px;
}

.flow .chips span {
  padding: 2px 7px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  white-space: nowrap;
}

.flow .stage.gate {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  box-shadow: 0 0 0 4px var(--signal-soft);
}

.flow .stage.gate .step { color: var(--signal); }
.flow .stage.gate p { color: var(--night-dim); }
.flow .stage.gate .chips span { border-color: var(--night-rule); color: var(--night-text); }
.flow .chips .blue { border-color: #6f9bd6 !important; color: #a9c6ee !important; }
.flow .chips .green { border-color: #6fae74 !important; color: #a8d9ac !important; }

.flow .stage.gate a {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* Three layers and distribution channels */
.layers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(28px, 4vw, 44px);
}

.layers > div {
  padding: 18px 18px 20px;
  border-top: 2px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 70%, transparent);
}

.layers .step {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-deep);
}

.layers h3 {
  margin: 8px 0 8px;
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
}

.layers p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--ink-2);
}

/* Pipelines on dark */
.pipes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(40px, 5vw, 64px);
}

.pipes > div {
  display: flex;
  flex-direction: column;
  padding: 20px 18px 18px;
  border: 1px solid var(--night-rule);
  border-radius: 2px;
  background: var(--night-2);
}

.pipes .step {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

.pipes h3 {
  margin: 8px 0 8px;
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  color: var(--paper);
}

.pipes p {
  margin: 0 0 14px;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--night-dim);
}

.pipes .ev { margin-top: auto; align-self: flex-start; }

/* Plugin tree */
.tree {
  margin: 0;
  padding: 22px 22px 24px;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--night-text);
}

.tree ul {
  list-style: none;
  margin: 4px 0 0 7px;
  padding: 0 0 0 16px;
  border-left: 1px solid var(--night-rule);
}

.tree li {
  position: relative;
  padding: 4px 0;
}

.tree ul > li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 0.95em;
  width: 11px;
  border-top: 1px solid var(--night-rule);
}

.tree .dir { color: var(--signal); }
.tree .count { color: var(--paper); background: var(--signal); padding: 0 6px; border-radius: 3px; margin-left: 6px; }
.tree .what {
  display: block;
  font-family: var(--body);
  font-size: 0.82rem;
  color: var(--night-dim);
}

/* Charts inside dark sections */
.section.dark .chart { border-top-color: var(--night-text); }
.section.dark .bar .track { background: var(--night-2); }
.section.dark .bar .fill { background: var(--night-text); }
.section.dark .bar.hot .fill { background: var(--signal); }
.section.dark .chart .source { color: var(--night-dim); }

/* Thumbnail grid */
.thumbs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.thumbs.nine {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

@media (max-width: 640px) {
  .thumbs.nine {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .thumbs.nine img:first-child {
    grid-column: span 2;
  }
}

.thumbs img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--night-rule);
}

@media (max-width: 980px) {
  .flow,
  .layers,
  .pipes {
    grid-template-columns: 1fr;
  }

  .flow .stage + .stage::before {
    content: "\2193";
    left: 50%;
    top: -14px;
    transform: translateX(-50%);
    line-height: 14px;
  }
}

.hero h1 {
  font-size: clamp(2.6rem, 7.4vw, 6.8rem);
}

/* Depth: rounded cards and hairline borders; aqua on the dark gate card */
.flow .stage {
  background: #FFFFFF;
  border-color: var(--line);
  border-radius: 14px;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}

.flow .stage:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -40px rgba(10, 30, 36, 0.45);
}

.flow .stage + .stage::before {
  color: var(--aqua-deep);
}

.flow .chips span {
  border-color: var(--line);
}

.flow .stage.gate {
  background: var(--abyss);
  border-color: var(--abyss);
  box-shadow: 0 0 0 4px rgba(39, 194, 183, 0.14);
}

.flow .stage.gate .step,
.flow .stage.gate a {
  color: var(--aqua);
}

.flow .stage.gate p {
  color: var(--haze);
}

.flow .stage.gate .chips span {
  border-color: var(--hair);
}

.flow .chips .blue { border-color: #7FA6DC !important; color: #B4CCEE !important; }
.flow .chips .green { border-color: #74B58A !important; color: #AEDABD !important; }

.layers > div {
  border-top: 1px solid var(--sea);
}

.pipes > div {
  border-color: var(--hair);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
}

.tree .count {
  color: var(--abyss);
  background: var(--aqua);
}

.layers.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 720px) {
  .layers.two {
    grid-template-columns: 1fr;
  }
}