/* SECTION 02 — the Adaptation Laboratory (js/lab.js). A pinned, warm ivory landscape;
   one capability's copy at a time, keyed off data-cap on the section. */

.lab {
  position: relative;
  isolation: isolate;
  height: calc(100svh - var(--nav-h));
  min-height: 32rem;
  overflow: hidden;
  background: radial-gradient(130% 90% at 30% 20%, #FBF8F1 0%, var(--ivory) 55%, #EAE2D2 100%);
  color: var(--black);
  font-family: var(--satoshi);
}
.lab-world { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.lab-floor { fill: #E6DECD; }

/* ---------- Intro line ---------- */
.lab-intro {
  position: absolute; z-index: 2; top: clamp(1.5rem, 7svh, 4.5rem); left: var(--gutter);
  max-width: min(60rem, 70%);
  transition: opacity 420ms var(--ease), translate 520ms var(--ease);
}
.lab-kicker, .lab-num {
  margin: 0 0 0.9rem; font: 700 0.72rem/1 var(--satoshi); letter-spacing: 0.16em; text-transform: uppercase;
}
.lab-title {
  margin: 0; font: 900 clamp(2.4rem, 5.6vw, 6.6rem)/0.88 var(--satoshi);
  letter-spacing: -0.055em; text-transform: uppercase;
}
.lab-title span { display: block; color: var(--olive); }
.lab:not([data-cap="intro"]) .lab-intro { opacity: 0; translate: 0 -1.5rem; pointer-events: none; }

/* ---------- Capabilities: one at a time, right of Girgit ---------- */
.lab-caps { margin: 0; padding: 0; list-style: none; }
.lab-cap {
  position: absolute; z-index: 2; top: clamp(2rem, 16svh, 9rem); left: 62%; right: var(--gutter);
  opacity: 0; translate: 0 1.6rem; pointer-events: none;
  transition: opacity 360ms var(--ease), translate 520ms var(--ease);
}
.lab[data-cap="0"] .lab-cap[data-cap="0"], .lab[data-cap="1"] .lab-cap[data-cap="1"],
.lab[data-cap="2"] .lab-cap[data-cap="2"], .lab[data-cap="3"] .lab-cap[data-cap="3"],
.lab[data-cap="4"] .lab-cap[data-cap="4"] { opacity: 1; translate: 0 0; pointer-events: auto; }
.lab-num { display: flex; align-items: center; gap: 0.6rem; }
.lab-num span { display: inline-grid; place-items: center; min-width: 2.4em; padding: 0.45em 0.6em; border-radius: 999px; background: var(--black); color: var(--ivory); }
.lab-cap[data-cap="0"] .lab-num span { background: var(--pink); }
.lab-cap[data-cap="1"] .lab-num span { background: var(--blue); }
.lab-cap[data-cap="2"] .lab-num span { background: var(--forest); }
.lab-cap[data-cap="3"] .lab-num span { background: var(--acid); color: var(--black); }
.lab-cap[data-cap="4"] .lab-num span { background: var(--yellow); color: var(--black); }
.lab-head {
  margin: 0 0 1rem; max-width: 12ch;
  font: 900 clamp(2.2rem, 4.4vw, 5.2rem)/0.9 var(--satoshi); letter-spacing: -0.05em; text-transform: uppercase;
}
.lab-copy { margin: 0; max-width: 28ch; font: 500 clamp(1rem, 1.25vw, 1.2rem)/1.45 var(--satoshi); color: #3A3A33; }

/* ---------- Progress: five ticks, each a shortcut ---------- */
.lab-progress {
  position: absolute; z-index: 3; left: 50%; bottom: 1rem; translate: -50% 0;
  display: flex; gap: 0.4rem; margin: 0; padding: 0.3rem; list-style: none;
  border-radius: 999px; background: rgb(244 239 229 / 0.85); backdrop-filter: blur(4px);
}
.lab-progress button {
  display: grid; place-items: center; width: 2.6rem; height: 1.9rem; border: 1.5px solid var(--black); border-radius: 999px;
  background: transparent; color: var(--black); font: 700 0.66rem var(--satoshi); letter-spacing: 0.08em; cursor: pointer;
  transition: background 240ms, color 240ms;
}
.lab-progress li.is-on button { background: var(--black); color: var(--ivory); }
.lab-progress button:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

/* ---------- The still version (reduced motion, or no GSAP) ---------- */
.lab--still { height: auto; min-height: 0; padding: clamp(3rem, 8vw, 6rem) var(--gutter); }
.lab--still .lab-intro, .lab--still .lab-cap { position: static; opacity: 1; translate: none; max-width: none; }
.lab--still .lab-world { position: relative; height: auto; aspect-ratio: 4 / 1; margin: 2rem 0; }
.lab--still .lab-caps { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 2rem 1.5rem; }
.lab--still .lab-head { font-size: clamp(1.6rem, 2.4vw, 2.4rem); }
.lab--still .lab-progress { display: none; }

/* ---------- Phones: copy above the landscape ---------- */
@media (max-width: 760px) {
  .lab-intro { top: 1.4rem; right: var(--gutter); max-width: none; }
  .lab-title { font-size: clamp(2rem, 10.5vw, 3.2rem); }
  .lab-cap { top: 1.4rem; left: var(--gutter); }
  .lab-head { font-size: clamp(1.9rem, 9.5vw, 2.8rem); margin-bottom: 0.6rem; }
  .lab-copy { font-size: 0.98rem; }
  .lab-progress button { width: 2.2rem; }
}