/* ==========================================================================
   AES — "So arbeiten wir zusammen" · Fahrplan (Variante 6d, abgerundet)
   Scroll-Logik: fahrplan.js setzt CSS-Variablen
     Root   --s0..--s3  (1 = Etappe erreicht)      → Fortschritts-Segmente
     Step   --on (erreicht) / --cur (aktuell)      → Nummer, Punkt, Helligkeit
     Track  --fill (0–1)                           → Cyan-Linie
     Result --on (1 = sichtbar)                    → Ergebnis-Karte rechts
   Breakpoint: Mobile ≤ 900px
   ========================================================================== */

.aes-plan {
  --p-cyan: var(--cyan, #62bdf0);
  --p-cyan-strong: var(--cyan-strong, #01b0ef);
  --p-ink: var(--ink, #f5f8fb);
  --p-muted: var(--muted, #96a7b7);
  --p-slate-150: #cbd7df;
  --p-slate-300: #a9b8c4;
  --p-slate-450: #8395a4;
  --p-line: var(--line, rgba(255, 255, 255, .105));
  --p-line-soft: rgba(255, 255, 255, .07);
  --p-display: "Sora", sans-serif;
  --p-body: "DM Sans", sans-serif;
  --p-ease: cubic-bezier(.2, .7, .25, 1);
  --p-r-card: var(--radius-card, 24px);
  --p-r-box: 20px;

  position: relative;
  padding: 112px 0;
  background:
    radial-gradient(circle at 84% 6%, rgba(98, 189, 240, .08), transparent 28%),
    linear-gradient(180deg, #08111d, #0c1724);
}

/* ---------- Kopf ---------- */
.aes-plan__eyebrow {
  margin: 0;
  font-family: var(--p-display);
  font-weight: 600;
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--p-cyan);
}
.aes-plan__title {
  margin: 20px 0 0;
  max-width: 1000px;
  font-family: var(--p-display);
  font-weight: 700;
  font-size: 3.3rem;
  line-height: 1.04;
  letter-spacing: -.04em;
  color: var(--p-ink);
  text-wrap: balance;
}
.aes-plan__title em { font-style: normal; color: var(--p-cyan); }

.aes-plan__facts {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--p-line);
  border-radius: var(--p-r-box);
  background: rgba(12, 23, 36, .5);
}
.aes-plan__facts li { padding: 28px 32px; }
.aes-plan__facts li + li { border-left: 1px solid var(--p-line); }
.aes-plan__facts strong {
  display: block;
  font-family: var(--p-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -.03em;
  color: var(--p-cyan);
}
.aes-plan__facts span {
  display: block;
  margin-top: 6px;
  font-family: var(--p-body);
  font-size: .98rem;
  color: var(--p-slate-300);
}

/* ---------- Fortschritts-Segmente (Karte + Mobile-Leiste) ---------- */
.aes-plan__segs { display: flex; gap: 6px; }
.aes-plan__segs i {
  width: 22px;
  height: 4px;
  border-radius: 99px;
  background: rgba(255, 255, 255, .12);
  transition: background .4s var(--p-ease);
}
.aes-plan__segs i:nth-child(1) { background: color-mix(in srgb, var(--p-cyan-strong) calc(var(--s0, 1) * 100%), rgba(255, 255, 255, .12)); }
.aes-plan__segs i:nth-child(2) { background: color-mix(in srgb, var(--p-cyan-strong) calc(var(--s1, 0) * 100%), rgba(255, 255, 255, .12)); }
.aes-plan__segs i:nth-child(3) { background: color-mix(in srgb, var(--p-cyan-strong) calc(var(--s2, 0) * 100%), rgba(255, 255, 255, .12)); }
.aes-plan__segs i:nth-child(4) { background: color-mix(in srgb, var(--p-cyan-strong) calc(var(--s3, 0) * 100%), rgba(255, 255, 255, .12)); }

.aes-plan__bar { display: none; } /* nur Mobile */

/* ---------- Layout Fahrplan ---------- */
.aes-plan__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 72px;
  margin-top: 88px;
}
.aes-plan__steps { position: relative; list-style: none; margin: 0; padding: 0; }
.aes-plan__route { position: relative; min-width: 0; }

.aes-plan__track {
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, .08);
}
.aes-plan__track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: calc(var(--fill, 0) * 100%);
  background: linear-gradient(180deg, rgba(98, 189, 240, .25), var(--p-cyan));
  box-shadow: 0 0 14px rgba(98, 189, 240, .55);
}
.aes-plan__track::after {
  content: "";
  position: absolute;
  left: -4px;
  top: calc(var(--fill, 0) * 100%);
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-radius: 50%;
  background: var(--p-cyan);
  box-shadow: 0 0 0 5px rgba(98, 189, 240, .14), 0 0 18px rgba(98, 189, 240, .8);
}

.aes-plan__step {
  position: relative;
  min-height: 500px;
  box-sizing: border-box;
  padding: 48px 0 72px 72px;
  opacity: calc(.32 + var(--on, 0) * .68);
  transition: opacity .5s var(--p-ease);
}
.aes-plan__node {
  position: absolute;
  left: 0;
  top: 66px;
  width: 22px;
  height: 22px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--p-cyan) calc(var(--on, 0) * 100%), rgba(255, 255, 255, .28));
  background: color-mix(in srgb, var(--p-ink) calc(var(--cur, 0) * 100%), #0a1522);
  box-shadow: 0 0 0 calc(var(--cur, 0) * 8px) rgba(98, 189, 240, .16);
  transition: all .4s var(--p-ease);
}
.aes-plan__head { display: flex; align-items: center; gap: 20px; }
.aes-plan__num {
  font-family: var(--p-display);
  font-weight: 700;
  font-size: 4.4rem;
  line-height: .9;
  letter-spacing: -.07em;
  color: color-mix(in srgb, var(--p-cyan) calc(var(--cur, 0) * 100%), rgba(98, 189, 240, .06));
  -webkit-text-stroke: 1px rgba(98, 189, 240, .5);
  transition: color .4s var(--p-ease);
}
.aes-plan__label {
  font-family: var(--p-display);
  font-weight: 600;
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--p-slate-300);
}
.aes-plan__step-title {
  margin: 28px 0 0;
  font-family: var(--p-display);
  font-weight: 700;
  font-size: 2.5rem;
  line-height: 1.06;
  letter-spacing: -.035em;
  color: var(--p-ink);
}
.aes-plan__step-title em { display: block; font-style: normal; color: var(--p-cyan); }
.aes-plan__text {
  margin: 22px 0 0;
  max-width: 520px;
  font-family: var(--p-body);
  font-size: 1.04rem;
  line-height: 1.65;
  color: var(--p-muted);
  text-wrap: pretty;
}

/* ---------- Ergebnis-Karte (Desktop, sticky) ---------- */
.aes-plan__aside-inner {
  position: sticky;
  top: 120px;
  display: grid;
  min-height: 470px;
  padding: 84px 40px 34px;
  margin-top: 48px;
  border-radius: var(--p-r-card);
  border: 1px solid transparent;
  background: linear-gradient(145deg, #15354a, #0c1a28 70%);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .22), 18px 18px 0 #09131f;
}
.aes-plan__aside-inner::before { /* kurzer Cyan-Akzent oben links */
  content: "";
  position: absolute;
  left: 40px;
  top: 0;
  width: 64px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--p-cyan-strong);
}
.aes-plan__aside-top {
  position: absolute;
  left: 40px;
  right: 40px;
  top: 34px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.aes-plan__kicker {
  margin: 0;
  font-family: var(--p-display);
  font-weight: 600;
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--p-cyan);
}
.aes-plan__result {
  position: relative;
  grid-area: 1 / 1;
  min-width: 0;
  min-height: 352px;
  display: flex;
  flex-direction: column;
  opacity: var(--on, 0);
  transform: translateY(calc((1 - var(--on, 0)) * 14px));
  transition: opacity .45s var(--p-ease), transform .5s var(--p-ease);
  pointer-events: none;
}
.aes-plan__stage {
  margin: 0;
  font-family: var(--p-display);
  font-weight: 600;
  font-size: .8rem;
  color: var(--p-slate-450);
}
.aes-plan__result-title {
  margin: 10px 0 0;
  font-family: var(--p-display);
  font-weight: 700;
  font-size: 1.7rem;
  line-height: 1.15;
  letter-spacing: -.035em;
  color: var(--p-ink);
}
.aes-plan__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--p-line);
  counter-reset: plan;
}
.aes-plan__list li {
  counter-increment: plan;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  padding: 17px 0;
  border-bottom: 1px solid var(--p-line-soft);
  font-family: var(--p-body);
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--p-slate-150);
}
.aes-plan__list li::before {
  content: counter(plan, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--p-display);
  font-weight: 600;
  font-size: .8rem;
  color: var(--p-cyan);
}
.aes-plan__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  margin-bottom: 0;
  gap: 16px;
  padding-top: 20px;
  font-family: var(--p-display);
  font-weight: 600;
  font-size: .95rem;
  color: var(--p-cyan);
}
.aes-plan__foot span {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(98, 189, 240, .4);
  display: grid;
  place-items: center;
}

/* Inline-Ergebnis: nur Mobile */
.aes-plan__inline { display: none; }



/* ---------- Mobile ---------- */
@media (max-width: 900px) {
  .aes-plan { padding: 72px 0 80px; }
  .aes-plan__eyebrow { font-size: .66rem; }
  .aes-plan__title { margin-top: 16px; font-size: 1.95rem; line-height: 1.08; letter-spacing: -.035em; }

  .aes-plan__facts { grid-template-columns: 1fr; margin-top: 24px; padding: 0 16px; border-radius: 18px; }
  .aes-plan__facts li { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 12px; align-items: baseline; padding: 14px 0; }
  .aes-plan__facts li + li { border-left: 0; border-top: 1px solid var(--p-line); }
  .aes-plan__facts strong { font-size: 1.05rem; }
  .aes-plan__facts span { margin: 0; font-size: .92rem; }

  .aes-plan__bar {
    position: sticky;
    top: 84px; /* bleibt unter dem fixen Header */
    z-index: 5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 44px -6px 0;
    padding: 12px 18px;
    border: 1px solid var(--p-line);
    border-radius: 999px;
    background: rgba(9, 21, 33, .88);
    -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
  }
  .aes-plan__bar p {
    margin: 0;
    font-family: var(--p-display);
    font-weight: 600;
    font-size: .6rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: #c3d0da;
  }
  .aes-plan__bar .aes-plan__segs { gap: 5px; }
  .aes-plan__bar .aes-plan__segs i { width: 26px; }

  .aes-plan__grid { grid-template-columns: 1fr; gap: 0; margin-top: 8px; }
  .aes-plan__aside { display: none; }
  .aes-plan__inline { display: block; }

  .aes-plan__track { left: 7px; }
  .aes-plan__track::after { display: none; }
  .aes-plan__step { min-height: 0; padding: 40px 0 36px 38px; opacity: calc(.38 + var(--on, 0) * .62); }
  .aes-plan__node { top: 52px; width: 16px; height: 16px; box-shadow: 0 0 0 calc(var(--cur, 0) * 6px) rgba(98, 189, 240, .16); }
  .aes-plan__head { gap: 14px; }
  .aes-plan__num { font-size: 2.7rem; }
  .aes-plan__label { font-size: .6rem; }
  .aes-plan__step-title { margin-top: 18px; font-size: 1.6rem; line-height: 1.1; }
  .aes-plan__text { margin-top: 14px; font-size: .98rem; }

  .aes-plan__inline {
    margin-top: 22px;
    padding: 20px 20px 18px;
    border-radius: 18px;
    border: 1px solid transparent;
    background: linear-gradient(145deg, #15354a, #0c1a28 70%);
    transition: border-color .4s var(--p-ease);
  }
  .aes-plan__inline .aes-plan__kicker { font-size: .6rem; }
  .aes-plan__inline .aes-plan__result-title { margin-top: 8px; font-size: 1.12rem; letter-spacing: -.02em; }
  .aes-plan__inline .aes-plan__list { margin-top: 12px; border-top: 0; }
  .aes-plan__inline .aes-plan__list li { grid-template-columns: 26px minmax(0, 1fr); gap: 6px; padding: 10px 0; border-bottom: 0; border-top: 1px solid var(--p-line-soft); font-size: .93rem; }
  .aes-plan__inline .aes-plan__list li::before { font-size: .72rem; }

}

@media (prefers-reduced-motion: reduce) {
  .aes-plan__step, .aes-plan__node, .aes-plan__num, .aes-plan__result, .aes-plan__segs i, .aes-plan__inline { transition: none; }
}