/* AI maturity assessment · LAB59
   Builds on /assets/css/site.css tokens. Same look as the health score playground. */

.page-ai {
  --line: rgba(14, 20, 51, .14);
  --ok: #12895A;
  --warn: #D98A00;
  --level-reactive: #A3241A;
  --level-developing: #8A5600;
  --level-proactive: #0B5E3D;
  --level-leading: var(--royal);
}

[hidden] { display: none !important; }

/* ---------- shared lab pieces ---------- */
.lab-hero { background: var(--royal); color: var(--paper); padding: clamp(40px, 7vw, 88px) 0 clamp(40px, 6vw, 72px); }
.lab-hero__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .9fr); gap: clamp(32px, 6vw, 80px); align-items: end; }
.lab-hero__crumb { font-size: .95rem; opacity: .85; margin-bottom: 1.2rem; }
.lab-hero__crumb a { font-weight: 700; text-underline-offset: 4px; }
.lab-hero__title { font: 900 clamp(2.4rem, 6vw, 4.6rem)/.95 var(--display); letter-spacing: -0.05em; margin-bottom: .45em; max-width: 14ch; }
.lab-hero__lede { max-width: 54ch; font-size: clamp(1.05rem, 1.6vw, 1.18rem); opacity: .95; }
.lab-hero__links { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.6rem 0 0; }

.lab-section { padding: clamp(56px, 8vw, 104px) 0; }
.lab-head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 44px); }
.lab-h2 { font: 900 clamp(2rem, 4.6vw, 3.25rem)/1.02 var(--display); letter-spacing: -0.04em; margin-bottom: .4em; }
.lab-head__lede { color: var(--ink-soft); font-size: 1.1rem; margin: 0; max-width: 62ch; }

.textbtn {
  background: none; border: 0; padding: 0; cursor: pointer; color: var(--royal);
  font: 600 1rem/1.4 var(--body); text-decoration: underline; text-underline-offset: 4px;
}
.textbtn:hover { color: var(--royal-deep); }

.btn--solid { background: var(--royal); color: var(--paper); }
.btn--solid:hover { background: var(--royal-deep); }

/* ---------- intro: the four levels ---------- */
.levels {
  margin: 0; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22);
  border-radius: 18px; padding: 8px 22px;
}
.levels div { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.levels div:last-child { border-bottom: 0; }
.levels dt {
  display: flex; align-items: center; gap: 10px;
  font: 800 1.05rem/1.3 var(--display); letter-spacing: -0.01em; margin-bottom: 2px;
}
.levels dt span { margin-left: auto; font: 700 .95rem/1 var(--mono); opacity: .9; }
.levels dt::before {
  content: ""; flex: 0 0 10px; width: 10px; height: 10px; border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255,255,255,.9);
}
.levels dd { margin: 0; font-size: .96rem; opacity: .92; }
.levels div[data-level="reactive"] dt::before { background: var(--hanko); }
.levels div[data-level="developing"] dt::before { background: var(--warn); }
.levels div[data-level="proactive"] dt::before { background: var(--ok); }
.levels div[data-level="leading"] dt::before { background: var(--paper); }

@media (max-width: 900px) { .lab-hero__grid { grid-template-columns: 1fr; } }

/* ---------- progress ---------- */
.quiz { max-width: 760px; margin: 0 auto; }
.quiz__nojs { color: var(--ink-soft); }
.progress { height: 8px; border-radius: 999px; background: var(--mist); overflow: hidden; margin: 0 0 28px; }
.progress__fill { height: 100%; width: 0; background: var(--royal); transition: width .3s ease; }

/* ---------- questions ---------- */
.quiz__card {
  border: 1px solid var(--line); border-radius: 18px; background: var(--paper);
  padding: clamp(22px, 4vw, 40px); box-shadow: 0 18px 40px -30px rgba(14,20,51,.35);
}
.quiz__count { font: 700 .85rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--royal); margin-bottom: 14px; }
.quiz__q { font: 800 clamp(1.3rem, 3vw, 1.7rem)/1.2 var(--display); letter-spacing: -0.025em; margin-bottom: 24px; color: var(--ink); }

.options { display: grid; gap: 12px; }
.option {
  display: block; width: 100%; text-align: left; appearance: none;
  font: inherit; color: var(--ink); background: var(--paper);
  border: 2px solid var(--line); border-radius: 14px; padding: 16px 20px; cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.option:hover { border-color: var(--royal); background: var(--mist); }
.option.is-selected { border-color: var(--royal); background: var(--mist); box-shadow: inset 4px 0 0 var(--royal); }
.option__label { display: block; font: 700 1.02rem/1.3 var(--display); letter-spacing: -0.01em; margin-bottom: 4px; }
.option__desc { display: block; color: var(--ink-soft); font-size: .95rem; line-height: 1.45; }

.quiz__back { margin-top: 18px; }

/* ---------- results ---------- */
.results {
  border: 1px solid var(--line); border-radius: 18px; background: var(--paper);
  box-shadow: 0 18px 40px -30px rgba(14,20,51,.35);
  padding: clamp(28px, 5vw, 56px); text-align: center;
}
.results[data-level="reactive"] { --ring: var(--hanko); --level: var(--level-reactive); }
.results[data-level="developing"] { --ring: var(--warn); --level: var(--level-developing); }
.results[data-level="proactive"] { --ring: var(--ok); --level: var(--level-proactive); }
.results[data-level="leading"] { --ring: var(--royal); --level: var(--level-leading); }

.results__kicker { font: 700 .85rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--royal); margin-bottom: 20px; }
.score {
  width: 176px; height: 176px; margin: 0 auto; border-radius: 50%;
  border: 12px solid var(--ring, var(--royal));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.score__num { font: 900 3.6rem/1 var(--display); letter-spacing: -0.04em; color: var(--ink); }
.score__of { font: 600 .9rem/1.2 var(--mono); color: var(--ink-soft); margin-top: 6px; }

.results__level {
  font: 900 clamp(2rem, 4.4vw, 2.9rem)/1.05 var(--display); letter-spacing: -0.035em;
  margin: 26px 0 12px; color: var(--level, var(--royal));
}
.results__level:focus { outline: none; }
.results__desc { max-width: 60ch; margin: 0 auto; color: var(--ink-soft); font-size: 1.08rem; line-height: 1.7; }

/* scale of the four levels, with the score marked on it */
.scale { position: relative; max-width: 520px; margin: 36px auto 0; }
.scale__bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; height: 12px; }
.seg { display: block; border-radius: 4px; }
.seg--reactive { background: var(--hanko); }
.seg--developing { background: var(--warn); }
.seg--proactive { background: var(--ok); }
.seg--leading { background: var(--royal); }
.scale__marker {
  position: absolute; top: 6px; left: 0; width: 22px; height: 22px; border-radius: 50%;
  transform: translate(-50%, -50%); background: var(--ink);
  border: 3px solid var(--paper); box-shadow: 0 0 0 1px var(--ink);
  transition: left .6s ease;
}
.scale__labels {
  display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 14px;
  font: 600 .85rem/1.2 var(--body); color: var(--ink-soft);
}

/* next steps */
.steps { text-align: left; max-width: 680px; margin: 40px auto 0; padding-top: 28px; border-top: 1px solid var(--line); }
.steps h3 { font: 800 1.3rem/1.2 var(--display); letter-spacing: -0.02em; margin-bottom: 14px; }
.steps ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; counter-reset: step; }
.steps li {
  counter-increment: step; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; align-items: start;
  padding: 16px 18px; border-radius: 14px; background: var(--mist);
}
.steps li::before {
  content: counter(step); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--royal); color: var(--paper); font: 900 1rem/1 var(--mono);
}
.steps__body strong { display: block; font: 700 1.02rem/1.3 var(--display); letter-spacing: -0.01em; margin-bottom: 4px; }
.steps__body span { display: block; color: var(--ink-soft); font-size: .98rem; line-height: 1.55; }

.results__actions { margin-top: 32px; display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

/* ---------- close ---------- */
.lab-close { background: var(--royal); color: var(--paper); padding: clamp(56px, 8vw, 96px) 0; }
.lab-close__inner { display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 28px 48px; align-items: end; }
.lab-close__title { font: 900 clamp(2rem, 4.6vw, 3.25rem)/1.02 var(--display); letter-spacing: -0.04em; margin-bottom: .4em; }
.lab-close p { max-width: 56ch; margin: 0; font-size: 1.08rem; opacity: .95; }
.lab-close__actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 860px) { .lab-close__inner { grid-template-columns: 1fr; } }

/* ---------- small screens ---------- */
@media (max-width: 760px) {
  .levels { padding: 6px 18px; }
  .steps li { padding: 14px; gap: 12px; grid-template-columns: 34px minmax(0, 1fr); }
  .steps li::before { width: 34px; height: 34px; }
  .scale__labels { font-size: .74rem; }
}

@media (prefers-reduced-motion: reduce) {
  .progress__fill, .scale__marker, .option { transition: none; }
}