.practice-visual {
  height: 148px;
  margin-bottom: 36px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(21, 21, 18, 0.035) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(rgba(21, 21, 18, 0.035) 1px, transparent 1px) 0 0 / 22px 22px,
    var(--paper);
}

.practice-item h3 {
  margin: 0 0 12px;
  font-size: 42px;
  line-height: 1;
}

.practice-item p:last-child { margin: 0; color: var(--muted); }

.block-stack span {
  position: absolute;
  width: 22px;
  height: 22px;
  background: var(--growth);
  opacity: 0.2;
  animation: stackUp 3.8s ease-in-out infinite;
}

.block-stack span:nth-child(1) { left: 24px; bottom: 24px; }
.block-stack span:nth-child(2) { left: 52px; bottom: 24px; animation-delay: 0.2s; }
.block-stack span:nth-child(3) { left: 80px; bottom: 24px; animation-delay: 0.4s; }
.block-stack span:nth-child(4) { left: 52px; bottom: 52px; animation-delay: 0.6s; }
.block-stack span:nth-child(5) { left: 80px; bottom: 52px; animation-delay: 0.8s; }
.block-stack span:nth-child(6) { left: 80px; bottom: 80px; animation-delay: 1s; }

.clear-line::before,
.clear-line::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  height: 2px;
  background: var(--ink);
  transform-origin: left;
}

.clear-line::before { top: 54px; animation: clearSweep 3.8s ease-in-out infinite; }
.clear-line::after { top: 94px; background: var(--growth); animation: clearSweep 3.8s ease-in-out 0.8s infinite; }

.useful-loop::before {
  content: "";
  position: absolute;
  inset: 36px 74px;
  border: 8px solid rgba(47, 122, 79, 0.28);
  border-top-color: var(--growth);
  border-radius: 999px;
  animation: rotateOnly 4.2s linear infinite;
}

.useful-loop::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 18px;
  transform: translate(-50%, -50%);
  background: var(--ink);
  border-radius: 999px;
}

.builds {
  padding: 112px 58px 0;
}

.build-list {
  margin-top: 46px;
  border-top: 1px solid var(--line);
}

.build-card {
  display: grid;
  grid-template-columns: 170px 1fr auto;
  gap: 42px;
  align-items: center;
  min-height: 300px;
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
}

.app-mark {
  position: relative;
  width: 150px;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 16px 16px 0 var(--shadow);
  overflow: hidden;
}

.focus-mark::before {
  content: "";
  position: absolute;
  inset: 28px;
  border: 16px solid rgba(47, 122, 79, 0.72);
  border-top-color: rgba(21, 21, 18, 0.16);
  border-radius: 999px;
  animation: rotateOnly 5.4s linear infinite;
}

.focus-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 26px;
  height: 26px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: var(--ink);
}

.frame-mark::before {
  content: "";
  position: absolute;
  inset: 32px;
  border: 12px solid var(--ink);
  border-left-color: transparent;
  border-bottom-color: transparent;
  animation: frameSnap 3.8s ease-in-out infinite;
}

.frame-mark::after {
  content: "";
  position: absolute;
  left: 34px;
  bottom: 34px;
  width: 70px;
  height: 70px;
  border: 2px solid var(--growth);
  background: var(--growth-soft);
}

.build-card h3 {
  margin: 0 0 14px;
  font-size: 76px;
  line-height: 0.9;
}

.build-card p { max-width: 620px; margin: 0; font-size: 20px; }

.identity {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  padding: 112px 58px;
  border-top: 1px solid var(--line);
}

.identity-table {
  border-top: 1px solid var(--line);
}

.identity-row {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 26px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.identity-row span:first-child {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  text-transform: uppercase;
}