.page-systems .systems-hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.4rem;
  align-items: center;
  padding: 3.8rem 0 2rem;
}

.systems-hero-copy {
  display: grid;
  gap: 1.2rem;
}

.systems-hero-copy .headline {
  max-width: 12ch;
}

.systems-hero-visual {
  min-height: 34rem;
  padding: 1.25rem;
  display: grid;
  align-content: stretch;
}

.systems-map-preview {
  position: relative;
  min-height: 100%;
  padding: 1rem;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), rgba(255, 255, 255, 0.01)),
    rgba(0, 0, 0, 0.12);
}

.systems-map-preview::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border-radius: 22px;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.systems-map-preview-static {
  display: grid;
  place-items: center;
  overflow: hidden;
}

.systems-map-grid {
  position: absolute;
  inset: 1rem;
  border-radius: 22px;
  background-image:
    linear-gradient(rgba(130, 255, 214, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 255, 214, 0.08) 1px, transparent 1px);
  background-size: 18% 18%;
  opacity: 0.42;
  pointer-events: none;
}

.systems-core-box {
  position: relative;
  z-index: 1;
  width: min(100%, 23rem);
  padding: 1.35rem 1.4rem;
  border-radius: 28px;
  border: 1px solid rgba(173, 255, 119, 0.48);
  background:
    linear-gradient(180deg, rgba(184, 255, 120, 0.94), rgba(146, 255, 86, 0.88)),
    rgba(0, 0, 0, 0.08);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.5rem;
  overflow: hidden;
  box-shadow:
    0 28px 90px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.06);
}

.systems-core-box::before {
  content: "";
  position: absolute;
  inset: auto -14% -42% auto;
  width: 11rem;
  height: 11rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231, 255, 214, 0.34), transparent 70%);
  opacity: 0.95;
}

.systems-core-box strong {
  font-family: "Syne", sans-serif;
  font-size: clamp(1.4rem, 2vw, 2rem);
  color: #041004;
}

.systems-core-box span {
  color: rgba(4, 16, 4, 0.78);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.systems-core-box p {
  margin: 0;
  max-width: 24ch;
  text-align: center;
  color: rgba(4, 16, 4, 0.86);
  line-height: 1.55;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.app-card {
  padding: 1.3rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.app-card:hover .logo-badge,
.app-card:focus-visible .logo-badge {
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.42);
}

.app-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-badge {
  width: 4rem;
  height: 4rem;
  display: grid;
  place-items: center;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.logo-badge svg {
  width: 2rem;
  height: 2rem;
}

.app-card h3 {
  font-size: 1.75rem;
}

.app-card p {
  color: var(--text-soft);
  line-height: 1.72;
}

.app-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.app-meta span,
.skill-chip {
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-soft);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workflow-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.workflow-card {
  padding: 1rem;
  min-height: 100%;
}

.workflow-card span {
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workflow-card h3 {
  margin-top: 0.55rem;
  font-size: 1.22rem;
}

.treemap-shell {
  display: grid;
  grid-template-columns: 1.2fr 0.85fr;
  gap: 1rem;
  align-items: start;
}

.treemap-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: minmax(80px, 1fr);
  gap: 0.85rem;
}

.skill-node {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: end;
  gap: 0.3rem;
  padding: 1rem;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.skill-node::before {
  content: "";
  position: absolute;
  inset: auto -10% -45% auto;
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 70%);
  opacity: 0.9;
  transform: scale(0.9);
  transition: transform 220ms ease;
}

.skill-node:hover,
.skill-node:focus-visible,
.skill-node.is-active {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(130, 255, 214, 0.085), rgba(255, 255, 255, 0.028));
  box-shadow: var(--shadow-soft);
}

.skill-node:hover::before,
.skill-node:focus-visible::before,
.skill-node.is-active::before {
  transform: scale(1.08);
}

.skill-node span {
  color: var(--text-muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.skill-node strong {
  font-family: "Syne", sans-serif;
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  line-height: 1;
}

.skill-node p {
  margin: 0;
  max-width: 22ch;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.5;
}

.skill-node-xl {
  grid-column: span 5;
  grid-row: span 3;
}

.skill-node-lg {
  grid-column: span 4;
  grid-row: span 2;
}

.skill-node-md {
  grid-column: span 3;
  grid-row: span 2;
}

.skill-node-sm {
  grid-column: span 3;
  grid-row: span 1;
}

.skill-detail {
  padding: 1.4rem;
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  display: grid;
  gap: 1rem;
}

.skill-detail h3 {
  font-size: 2.1rem;
}

.skill-detail p {
  color: var(--text-soft);
  line-height: 1.75;
  margin: 0;
}

.skill-detail-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.skill-detail-category {
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.skill-detail-tags,
.skill-detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.78rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.skill-link:hover,
.skill-link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 1100px) {
  .page-systems .systems-hero,
  .treemap-shell,
  .app-grid,
  .workflow-strip {
    grid-template-columns: 1fr;
  }

  .skill-detail {
    position: static;
  }
}

@media (max-width: 980px) {
  .page-systems .systems-hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .systems-map-preview {
    min-height: 24rem;
  }

  .systems-core-box {
    width: min(100%, 18rem);
  }

  .treemap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: minmax(110px, auto);
  }

  .skill-node-xl,
  .skill-node-lg,
  .skill-node-md,
  .skill-node-sm {
    grid-column: span 1;
    grid-row: span 1;
  }
}