/* Layers tab specific */
.layers-page {
  min-height: calc(100vh - 120px);
  position: relative;
  z-index: 1;
}
.layers-wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}
.layers-hero {
  text-align: center;
  padding: 2.5rem 0 1.5rem;
}
.layers-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  background: linear-gradient(90deg, #3b82f6, #a855f7, #ec4899, #f5a623);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.venn-section {
  position: relative;
  margin: 1.5rem auto 2.5rem;
  width: 100%;
  max-width: 620px;
}
.venn-stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
  border: 1px solid rgba(255,255,255,.07);
}
.vr {
  position: relative;
  cursor: pointer;
  padding: 0 12px;
  transition: all .28s cubic-bezier(.34,1.56,.64,1);
  border-left: 4px solid transparent;
}
.vr:hover {
  filter: brightness(1.18);
  z-index: 10;
  transform: scaleX(1.012);
}
.vr.active {
  filter: brightness(1.28);
  z-index: 20;
  transform: scaleX(1.018);
}
.vr-inner {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .7rem .6rem .7rem .4rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.vr:last-child .vr-inner {
  border-bottom: none;
}
.vr-num {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: .7rem;
  flex-shrink: 0;
  background: rgba(0,0,0,.3);
  color: #fff;
}
.vr-text {
  flex: 1;
}
.vr-name {
  font-family: var(--font-display);
  font-size: clamp(.78rem, .95vw + .5rem, .92rem);
  font-weight: 800;
  line-height: 1.1;
  text-shadow: 0 1px 4px rgba(0,0,0,.7);
}
.vr-sub {
  font-size: .65rem;
  opacity: .65;
  margin-top: .1rem;
  font-weight: 500;
}
.vr-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  opacity: .9;
}
.vr-tag {
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .05em;
  padding: .18rem .55rem;
  border-radius: 999px;
  background: rgba(0,0,0,.35);
  white-space: nowrap;
  flex-shrink: 0;
}
.venn-tooltip {
  position: fixed;
  background: rgba(10,15,30,.98);
  border: 1px solid;
  border-radius: 14px;
  padding: 1rem 1.2rem;
  max-width: 240px;
  font-size: .82rem;
  line-height: 1.5;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
}
.venn-tooltip.show {
  opacity: 1;
}
.venn-tooltip-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .95rem;
  margin-bottom: .3rem;
}
.layer-cards {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.lc {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(15,23,42,.85);
  cursor: pointer;
  transition: all .25s;
  position: relative;
}
.lc:hover {
  transform: translateY(-2px);
}
.lc-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  position: relative;
  overflow: hidden;
}
.lc-num {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
  background: rgba(0,0,0,.3);
}
.lc-title-wrap {
  flex: 1;
}
.lc-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: .1rem;
}
.lc-subtitle {
  font-size: .75rem;
  opacity: .6;
}
.lc-toggle {
  margin-left: auto;
  font-size: .85rem;
  color: rgba(255,255,255,.4);
  transition: transform .3s;
  flex-shrink: 0;
}
.lc.open .lc-toggle {
  transform: rotate(180deg);
}
.lc-body {
  display: none;
  padding: 0 1.4rem 1.4rem;
}
.lc.open .lc-body {
  display: block;
}
.ipo-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: .5rem;
  margin: 1rem 0;
  padding: 1rem;
  background: rgba(0,0,0,.3);
  border-radius: 14px;
}
@media (max-width: 500px) {
  .ipo-row {
    grid-template-columns: 1fr;
  }
}
.ipo-box {
  border-radius: 12px;
  padding: .7rem .6rem;
  text-align: center;
  border: 1.5px solid;
}
.ipo-label {
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .25rem;
  opacity: .7;
}
.ipo-content {
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.4;
}
.ipo-input {
  background: rgba(59,130,246,.12);
  border-color: rgba(59,130,246,.4);
  color: #93c5fd;
}
.ipo-process {
  background: rgba(168,85,247,.12);
  border-color: rgba(168,85,247,.4);
  color: #c4b5fd;
}
.ipo-output {
  background: rgba(52,211,153,.12);
  border-color: rgba(52,211,153,.4);
  color: #6ee7b7;
}
.ipo-arrow {
  text-align: center;
  font-size: 1.1rem;
  opacity: .5;
  animation: ipo-pulse 1.8s ease-in-out infinite;
}
@keyframes ipo-pulse {
  0%, 100% { opacity: .25; }
  50% { opacity: 1; }
}
.lc-desc {
  font-size: .85rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin-top: .8rem;
}
.lc-examples {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: .7rem;
}
.lc-ex {
  font-size: .72rem;
  padding: .25rem .65rem;
  border-radius: 999px;
  font-weight: 600;
}
.lc-wow {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 800;
  margin-top: .9rem;
  padding: .7rem 1rem;
  border-radius: 10px;
  background: rgba(0,0,0,.3);
  line-height: 1.4;
}
.venn-circle-outer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1.5rem auto 0;
  max-width: 520px;
  position: relative;
}
@media (max-width: 600px) {
  .venn-circle-outer {
    display: none;
  }
}
.venn-mobile-stack {
  display: none;
}
@media (max-width: 600px) {
  .venn-mobile-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .6rem;
    margin: 1rem 0 1.5rem;
  }
}
.vmc {
  border-radius: 14px;
  padding: .85rem;
  cursor: pointer;
  transition: all .22s;
  border: 1.5px solid;
  position: relative;
  overflow: hidden;
}
.vmc:hover {
  transform: translateY(-3px);
}
.vmc-num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: .68rem;
  margin-bottom: .25rem;
}
.vmc-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .8rem;
  line-height: 1.2;
}
.vmc-sub {
  font-size: .62rem;
  opacity: .6;
  margin-top: .1rem;
}