/* ==========================================================================
   kryptoexperte.de — Akademie
   ========================================================================== */

.aca-main { padding-bottom: 40px; }

/* ---------- Hero ---------- */
.aca-hero { padding-block: 30px 8px; }
.aca-hero-in { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.aca-hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 700; font-size: 14px;
  color: var(--green-700); background: var(--green-50);
  padding: 7px 15px; border-radius: var(--r-pill); border: 1px solid var(--green-100);
}
.aca-hero-title { font-size: clamp(36px, 5.2vw, 54px); margin-top: 20px; }
.aca-hero-sub { margin-top: 18px; font-size: 19px; color: var(--ink-soft); line-height: 1.55; max-width: 540px; }
.aca-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* Gesamtfortschritt-Karte */
.aca-progress-card {
  background: var(--surface); border: 1.5px solid var(--line);
  border-radius: var(--r-xl); padding: 28px; box-shadow: var(--shadow-md);
}
.aca-progress-top { display: flex; align-items: center; gap: 16px; }
.aca-ring { position: relative; width: 96px; height: 96px; flex: none; }
.aca-ring svg { transform: rotate(-90deg); display: block; }
.aca-ring-track { fill: none; stroke: oklch(0.92 0.012 110); stroke-width: 7; }
.aca-ring-fill { fill: none; stroke: url(#ringGrad); stroke-width: 7; stroke-linecap: round; transition: stroke-dashoffset .6s cubic-bezier(.4,0,.2,1); }
.aca-ring-num { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; font-size: 23px; letter-spacing: -0.02em; color: var(--green-800, var(--green-900)); white-space: nowrap; }
.aca-progress-meta h3 { font-size: 19px; }
.aca-progress-meta p { font-size: 14.5px; color: var(--ink-soft); margin-top: 4px; }
.aca-progress-stats { display: flex; gap: 10px; margin-top: 22px; }
.aca-stat { flex: 1; text-align: center; background: var(--sand); border-radius: var(--r-md); padding: 14px 8px; }
.aca-stat-n { font-family: var(--font-display); font-weight: 800; font-size: 24px; color: var(--green-700); line-height: 1; }
.aca-stat-l { font-size: 12px; color: var(--ink-mute); margin-top: 6px; font-weight: 700; }
.aca-reset { margin-top: 18px; width: 100%; }

/* ---------- Pfad-Ansicht ---------- */
.aca-paths { padding-block: 30px; }
.aca-section-head { margin-bottom: 26px; }
.aca-path {
  display: grid; grid-template-columns: 300px 1fr; gap: 36px;
  padding: 30px 0; border-top: 1px solid var(--line); align-items: start;
}
.aca-path:first-of-type { border-top: none; }
.aca-path-info { position: sticky; top: 92px; --cat-hue: 158; }
.aca-path-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 800; font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase; color: oklch(0.45 0.09 var(--cat-hue)); margin-bottom: 14px;
}
.aca-path-ic {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: oklch(0.95 0.04 var(--cat-hue)); color: oklch(0.5 0.11 var(--cat-hue));
  margin-bottom: 16px;
}
.aca-path-title { font-size: 27px; }
.aca-path-sub { margin-top: 10px; font-size: 15.5px; color: var(--ink-soft); line-height: 1.55; }
.aca-path-bar-wrap { margin-top: 20px; }
.aca-path-bar { height: 8px; border-radius: 999px; background: var(--green-100); overflow: hidden; }
.aca-path-bar-fill { height: 100%; border-radius: 999px; background: oklch(0.6 0.12 var(--cat-hue)); transition: width .5s ease; }
.aca-path-bar-label { display: flex; justify-content: space-between; gap: 10px; margin-top: 8px; font-size: 13px; color: var(--ink-mute); font-weight: 700; }
.aca-path-bar-label span { white-space: nowrap; flex: none; }
.aca-path-locked-note { display: inline-flex; align-items: center; gap: 7px; margin-top: 16px; font-size: 13.5px; color: var(--honey); font-weight: 700; }

/* Lektionsliste */
.aca-lessons { display: flex; flex-direction: column; gap: 12px; }
.aca-lesson {
  display: flex; align-items: center; gap: 18px; width: 100%; text-align: left;
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--r-lg);
  padding: 18px 22px; transition: transform .15s, box-shadow .2s, border-color .2s; cursor: pointer;
}
.aca-lesson:hover:not(.is-locked) { transform: translateX(3px); box-shadow: var(--shadow-md); border-color: var(--green-200); }
.aca-lesson.is-locked { opacity: 0.6; cursor: not-allowed; background: var(--sand); }
.aca-lesson.is-done { border-color: var(--green-200); }
.aca-lesson-num {
  flex: none; width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: 16px;
  background: var(--green-50); color: var(--green-700); border: 1.5px solid var(--green-100);
}
.aca-lesson.is-done .aca-lesson-num { background: var(--green-600); color: #fff; border-color: var(--green-600); }
.aca-lesson.is-locked .aca-lesson-num { background: var(--surface); color: var(--ink-mute); border-color: var(--line); }
.aca-lesson-body { flex: 1; min-width: 0; }
.aca-lesson-title { display: block; font-family: var(--font-display); font-weight: 800; font-size: 18px; color: var(--green-950); }
.aca-lesson.is-locked .aca-lesson-title { color: var(--ink-soft); }
.aca-lesson-sum { display: block; font-size: 14.5px; color: var(--ink-soft); margin-top: 3px; }
.aca-lesson-meta { flex: none; display: flex; align-items: center; gap: 14px; }
.aca-lesson-time { font-size: 13px; color: var(--ink-mute); font-weight: 700; display: inline-flex; align-items: center; gap: 5px; }
.aca-lesson-go { color: var(--green-600); display: grid; place-items: center; }
.aca-lesson.is-locked .aca-lesson-go { color: var(--ink-mute); }

/* ---------- Lektions-Reader (Overlay) ---------- */
.reader-root { position: fixed; inset: 0; z-index: 100; pointer-events: none; }
.reader-root.is-open { pointer-events: auto; }
.reader-scrim { position: absolute; inset: 0; background: oklch(0.25 0.03 160 / 0.45); opacity: 0; transition: opacity .3s; }
.reader-root.is-open .reader-scrim { opacity: 1; }
.reader {
  position: absolute; top: 0; right: 0; height: 100%; width: min(680px, 100%);
  background: var(--paper); box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  overflow-y: auto;
}
.reader-root.is-open .reader { transform: none; }
.reader-bar {
  position: sticky; top: 0; z-index: 3; display: flex; align-items: center; gap: 14px;
  padding: 16px 32px; background: oklch(0.99 0.006 95 / 0.9); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.reader-bar-prog { flex: 1; height: 6px; border-radius: 999px; background: var(--green-100); overflow: hidden; }
.reader-bar-prog span { display: block; height: 100%; background: var(--green-600); border-radius: 999px; transition: width .4s; }
.reader-close { flex: none; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); display: grid; place-items: center; }
.reader-close:hover { background: var(--sand); color: var(--ink); }
.reader-in { padding: 30px 44px 70px; --cat-hue: 158; }
.reader-eyebrow { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 13.5px; color: var(--ink-mute); }
.reader-eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--ink-mute); }
.reader-title { font-size: 34px; margin-top: 14px; }
.reader-summary { margin-top: 14px; font-size: 18px; color: var(--ink-soft); line-height: 1.55; }
.reader-section { margin-top: 30px; }
.reader-section h3 { font-size: 21px; color: var(--green-900); }
.reader-section p { margin-top: 10px; font-size: 16.5px; line-height: 1.7; color: var(--ink); }

.reader-takeaways { margin-top: 32px; background: var(--green-50); border: 1px solid var(--green-100); border-radius: var(--r-lg); padding: 22px 24px; }
.reader-takeaways h4 { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: 13px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; color: var(--green-700); margin-bottom: 14px; }
.reader-takeaways ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.reader-takeaways li { display: flex; gap: 11px; font-size: 15.5px; line-height: 1.5; color: var(--ink); }
.reader-takeaways li svg { flex: none; color: var(--green-600); margin-top: 2px; }

/* Quiz */
.quiz { margin-top: 34px; border: 1.5px solid var(--line); border-radius: var(--r-lg); padding: 26px; background: var(--surface); }
.quiz-label { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 800; font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--honey); }
.quiz-q { font-family: var(--font-display); font-weight: 800; font-size: 20px; color: var(--green-950); margin-top: 12px; line-height: 1.3; }
.quiz-opts { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.quiz-opt {
  display: flex; align-items: center; gap: 13px; text-align: left; width: 100%;
  border: 1.5px solid var(--line); background: var(--surface); border-radius: var(--r-md);
  padding: 15px 17px; font-family: var(--font-body); font-size: 16px; color: var(--ink); transition: all .15s;
}
.quiz-opt:hover:not(:disabled) { border-color: var(--green-300, var(--green-400)); background: var(--green-50); }
.quiz-opt-mark { flex: none; width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--line-strong); display: grid; place-items: center; }
.quiz-opt.is-correct { border-color: var(--green-500); background: var(--green-50); }
.quiz-opt.is-correct .quiz-opt-mark { background: var(--green-600); border-color: var(--green-600); color: #fff; }
.quiz-opt.is-wrong { border-color: oklch(0.7 0.16 25); background: oklch(0.96 0.04 25); }
.quiz-opt.is-wrong .quiz-opt-mark { background: oklch(0.62 0.18 25); border-color: oklch(0.62 0.18 25); color: #fff; }
.quiz-opt:disabled { cursor: default; }
.quiz-feedback { margin-top: 16px; padding: 15px 17px; border-radius: var(--r-md); font-size: 15px; line-height: 1.5; display: flex; gap: 10px; }
.quiz-feedback.ok { background: var(--green-50); color: var(--green-800, var(--green-900)); }
.quiz-feedback.no { background: oklch(0.96 0.035 25); color: oklch(0.45 0.12 25); }
.quiz-feedback svg { flex: none; margin-top: 1px; }

.reader-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--line); }
.reader-done-flag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; font-size: 14.5px; color: var(--green-700); }

/* ---------- CTA unten ---------- */
.aca-cta { padding: 20px 0 70px; }

@media (max-width: 980px) {
  .aca-hero-in { grid-template-columns: 1fr; gap: 30px; }
  .aca-path { grid-template-columns: 1fr; gap: 22px; }
  .aca-path-info { position: static; }
}
@media (max-width: 580px) {
  .reader-in { padding: 26px 22px 56px; }
  .reader-bar { padding: 14px 20px; }
  .aca-lesson-sum { display: none; }
  .aca-lesson-meta .aca-lesson-time { display: none; }
}