/* ==========================================================================
 * pipt — experiment pages shared styles (one-thing / connections / self)
 * ========================================================================== */

.exp-body { background: var(--paper); }
.one-thing-page, .connections-page, .self-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px 90px;
}

/* ------------------------------------------------------------- header --- */
.exp-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(56px, 10vh, 96px);
}
.exp-brand {
  font: 460 21px/1 var(--serif);
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.exp-brand:hover { color: var(--clay); }
.exp-tag { font: 10px var(--font-mono); color: var(--muted); }

.exp-intro { margin-bottom: 48px; }
.exp-kicker { display: block; font: 10px var(--font-mono); color: var(--clay); margin-bottom: 14px; }
.exp-intro h1 {
  margin: 0 0 18px;
  font-size: clamp(36px, 5.2vw, 62px);
  font-weight: 460;
  letter-spacing: -0.05em;
  line-height: 0.98;
  max-width: 15ch;
}
.exp-intro p { margin: 0; font: 15px/1.55 var(--serif); color: var(--green-deep); max-width: 46ch; }

/* ========================================================== one-thing === */
.one-thing-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin: 0 0 40px;
}
.memory-stack, .record-page {
  position: relative;
  height: 230px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.memory-sheet {
  position: absolute;
  inset: 10px 18px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.memory-sheet-back { transform: rotate(5deg); box-shadow: 0 2px 10px #1f29220d; }
.memory-sheet-middle { transform: rotate(1.6deg); box-shadow: 0 3px 14px #1f29220f; }
.memory-sheet-front {
  inset: 12px 22px;
  transform: rotate(-0.5deg);
  box-shadow: 0 6px 22px #1f292218;
}
.memory-mark, .record-mark {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px #3f654e1f;
}
.memory-mark-one { top: 52px; left: 42px; transition: transform 1.1s cubic-bezier(0.33, 1, 0.68, 1); }

.record-page { display: block; }
.record-mark { top: 52px; left: 42px; background: var(--clay); box-shadow: 0 0 0 4px #bf684f1f; }
.record-line {
  position: absolute;
  left: 74px;
  right: 34px;
  height: 1px;
  background: var(--line);
}
.record-line-one { top: 86px; }
.record-line-two { top: 104px; }
.record-line-three { top: 122px; width: 62%; right: auto; }
.stage-labels { display: contents; }
.stage-label { display: block; font: 10px var(--font-mono); color: var(--muted); }
.stage-label-memory { grid-column: 1; margin-top: -28px; }
.stage-label-record { grid-column: 2; margin-top: -28px; }

.exp-note { max-width: 46ch; }
.exp-verdict {
  font: italic 460 22px/1.35 var(--serif);
  color: var(--ink);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.exp-verdict.show { opacity: 1; transform: none; }
.exp-copy { margin: 14px 0 0; color: var(--green-deep); font: 15px/1.55 var(--serif); }

/* ========================================================= connections == */
.connections-map { display: grid; grid-template-columns: 1fr; gap: 14px; margin: 0 0 56px; }
.connection-chain {
  border-top: 1px solid var(--ink);
  padding: 20px 2px 26px;
}
.connection-chain > header { display: grid; grid-template-columns: 40px 1fr; column-gap: 12px; margin-bottom: 6px; }
.connection-chain > header > span { grid-row: 1 / span 2; font: 10px var(--font-mono); color: var(--clay); padding-top: 7px; }
.connection-chain h2 { margin: 0; font: 460 26px/1.1 var(--serif); letter-spacing: -0.02em; }
.connection-chain > header p { grid-column: 2; margin: 6px 0 0; color: var(--muted); font: 13px/1.5 var(--font-sans); }
.connection-chain ol { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.connection-node {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 12px;
  align-items: baseline;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 16px;
}
.connection-node span { font: 10px var(--font-mono); color: var(--muted); }
.connection-node strong { font: 460 15px/1.3 var(--serif); letter-spacing: -0.01em; color: var(--ink); }
.connection-node p { grid-column: 2; margin: 3px 0 0; color: var(--muted); font: 12px/1.45 var(--font-sans); }

.connections-note {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: 30px;
  margin-bottom: 48px;
}
.connections-pipt { position: relative; width: 84px; height: 84px; }
.connections-eye {
  position: absolute;
  top: 22px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ink);
}
.connections-eye::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--paper);
}
.connections-eye-left { left: 18px; }
.connections-eye-right { right: 18px; }
.connections-leg {
  position: absolute;
  bottom: 8px;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}
.connections-leg-left { left: 20px; transform: rotate(12deg); }
.connections-leg-right { right: 20px; transform: rotate(-12deg); }
.connections-note > div:last-child > span { display: block; color: var(--blue); font: 10px var(--font-mono); margin-bottom: 10px; }
.connections-note p { margin: 0; color: var(--green-deep); font: italic 15px/1.55 var(--serif); }

/* ============================================================== self === */
.self-records { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin: 0 0 64px; }
.self-record {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 18px 20px;
}
.self-record > span { font: 10px var(--font-mono); color: var(--clay); }
.self-record h2 { margin: 10px 0 8px; font: 460 20px/1.15 var(--serif); letter-spacing: -0.015em; }
.self-record p { margin: 0; color: var(--green-deep); font: 13px/1.5 var(--serif); }

.self-model { border-top: 1px solid var(--ink); padding-top: 30px; }
.self-model-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.self-model-list span {
  font: 11px var(--font-mono);
  color: var(--blue);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  background: var(--surface);
}
.self-model-copy p { margin: 0 0 12px; max-width: 52ch; color: var(--green-deep); font: 15px/1.6 var(--serif); }
.self-model-copy p:last-child { margin-bottom: 0; }

/* ============================================================ footers == */
.exp-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding-top: 18px;
}
.exp-footer a { font: 10px var(--font-mono); color: var(--clay); text-decoration: underline; text-underline-offset: 3px; }
.exp-footer a:hover { color: var(--ink); }
.exp-footer-single { justify-content: flex-end; }

@media (max-width: 640px) {
  .one-thing-stage, .self-records { grid-template-columns: 1fr; }
  .self-record + .self-record { display: none; }
  .connections-note { grid-template-columns: 72px minmax(0, 1fr); gap: 18px; }
  .connections-pipt { transform: scale(0.8); transform-origin: top center; }
  .exp-header { margin-bottom: 48px; }
}