/* ==========================================================================
   EeC v9.2 – Komponenten
   6-Stufen-Rail, GEK-Einstieg, Sanierungs-Auswahl, Projekte,
   Fahrende Batterie, Finanzierung, Team
   Ergänzt styles.css. Nutzt ausschliesslich die dort definierten Tokens.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 6-Stufen-Rail – das durchgehende Rückgrat
   -------------------------------------------------------------------------- */

.stufen-rail-wrap {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8, 35, 30, 0.55), rgba(7, 16, 14, 0.2));
}

.stufen-rail-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.4rem 1.7rem;
}

.stufen-rail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem 1.2rem;
  margin-bottom: 1.1rem;
}

.stufen-rail-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.stufen-rail-head .eyebrow {
  margin: 0;
}

.stufen-rail {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: stufe;
}

.stufen-rail li {
  display: flex;
}

.stufen-rail a {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.34rem;
  width: 100%;
  padding: 0.85rem 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(14, 26, 23, 0.72);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.stufen-rail a:hover,
.stufen-rail a:focus-visible {
  border-color: var(--green);
  background: rgba(40, 164, 118, 0.14);
  transform: translateY(-2px);
  color: var(--ink);
}

/* Grüne Progression: Stufe 1 dunkel, Stufe 6 hell – die Reihenfolge ist die Aussage. */
.stufen-rail a::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  border-radius: 0 0 13px 13px;
  background: var(--stufe-farbe, var(--green));
}

.stufen-rail li:nth-child(1) a { --stufe-farbe: #0f5c40; }
.stufen-rail li:nth-child(2) a { --stufe-farbe: #16714f; }
.stufen-rail li:nth-child(3) a { --stufe-farbe: #1e8a5f; }
.stufen-rail li:nth-child(4) a { --stufe-farbe: #28a476; }
.stufen-rail li:nth-child(5) a { --stufe-farbe: #46bd90; }
.stufen-rail li:nth-child(6) a { --stufe-farbe: #6ed3ab; }

.stufen-rail-nummer {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.stufen-rail-name {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}

.stufen-rail a[aria-current="true"] {
  border-color: var(--green);
  background: rgba(40, 164, 118, 0.2);
}

.stufen-rail a[aria-current="true"] .stufen-rail-nummer {
  color: #9fe9c9;
}

.stufen-rail-fuss {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   2. Stufen-Detail – aufklappbare Erklärung je Stufe
   -------------------------------------------------------------------------- */

.stufen-detail {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.stufen-panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  overflow: hidden;
}

.stufen-panel > summary {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.05rem 1.2rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.stufen-panel > summary::-webkit-details-marker {
  display: none;
}

.stufen-panel > summary::after {
  content: "";
  margin-left: auto;
  width: 0.62rem;
  height: 0.62rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.stufen-panel[open] > summary::after {
  transform: rotate(-135deg);
}

.stufen-panel > summary:hover {
  background: rgba(40, 164, 118, 0.08);
}

.stufen-panel-nummer {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  background: var(--stufe-farbe, var(--green));
  color: #04140f;
  font-size: 0.85rem;
  font-weight: 800;
}

.stufen-panel:nth-of-type(1) { --stufe-farbe: #0f5c40; }
.stufen-panel:nth-of-type(2) { --stufe-farbe: #16714f; }
.stufen-panel:nth-of-type(3) { --stufe-farbe: #1e8a5f; }
.stufen-panel:nth-of-type(4) { --stufe-farbe: #28a476; }
.stufen-panel:nth-of-type(5) { --stufe-farbe: #46bd90; }
.stufen-panel:nth-of-type(6) { --stufe-farbe: #6ed3ab; }

.stufen-panel:nth-of-type(1) .stufen-panel-nummer,
.stufen-panel:nth-of-type(2) .stufen-panel-nummer,
.stufen-panel:nth-of-type(3) .stufen-panel-nummer {
  color: #eafff5;
}

.stufen-panel-body {
  padding: 0 1.2rem 1.3rem 4.4rem;
}

.stufen-panel-body p {
  margin: 0 0 0.7rem;
}

.stufen-panel-body p:last-child {
  margin-bottom: 0;
}

.stufen-beispiele {
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.stufen-beispiele li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.stufen-beispiele li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: var(--stufe-farbe, var(--green));
}

/* --------------------------------------------------------------------------
   3. Begriffskasten (Entschwendung)
   -------------------------------------------------------------------------- */

.begriffskasten {
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--green);
  border-radius: 14px;
  background: rgba(8, 35, 30, 0.6);
  padding: 1.3rem 1.4rem;
}

.begriffskasten h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.begriffskasten p {
  margin: 0 0 0.6rem;
}

.begriffskasten p:last-child {
  margin-bottom: 0;
}

.begriffskasten .begriff-definition {
  color: var(--ink);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   4. GEK-Einstieg
   -------------------------------------------------------------------------- */

.gek-intro {
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  background:
    radial-gradient(circle at 88% 8%, rgba(40, 164, 118, 0.22), transparent 22rem),
    var(--surface-strong);
  padding: 2.2rem 2rem;
}

.gek-intro .eyebrow {
  color: #9fe9c9;
}

.gek-intro h2 {
  margin: 0.35rem 0 0.6rem;
}

.gek-begriff {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.86rem;
  color: var(--muted);
}

.gek-danach {
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.gek-danach strong {
  display: block;
  margin-bottom: 0.5rem;
}

.gek-danach ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.gek-danach li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--muted);
}

.gek-danach li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--green);
}

/* --------------------------------------------------------------------------
   5. Sanierungs-Auswahl
   -------------------------------------------------------------------------- */

.sanierung-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.8rem;
}

.sanierung-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.3rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
  text-align: center;
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.sanierung-card:hover,
.sanierung-card:focus-visible {
  border-color: var(--green);
  background: rgba(40, 164, 118, 0.12);
  transform: translateY(-3px);
  color: var(--ink);
}

.sanierung-card svg {
  width: 2rem;
  height: 2rem;
  color: var(--green);
}

.sanierung-card strong {
  font-size: 1rem;
}

.sanierung-card span {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   6. Projekte
   -------------------------------------------------------------------------- */

.projekt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.2rem;
}

.projekt-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  overflow: hidden;
}

.projekt-card-bild {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, rgba(40, 164, 118, 0.24), rgba(14, 26, 23, 0.9));
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--line);
}

.projekt-card-bild img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.projekt-card-platzhalter {
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

.projekt-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.4rem 1.4rem 1.5rem;
  flex: 1;
}

.projekt-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.projekt-kategorie {
  align-self: flex-start;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.projekt-block {
  margin: 0;
}

.projekt-block dt {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.2rem;
}

.projekt-block dd {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

.projekt-block dd:last-child {
  margin-bottom: 0;
}

.projekt-beleg {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-size: 0.87rem;
  color: var(--muted);
}

.beleg-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.beleg-status.ist-belegt {
  background: rgba(40, 164, 118, 0.18);
  color: #9fe9c9;
  border: 1px solid rgba(40, 164, 118, 0.45);
}

.beleg-status.ist-geplant {
  background: rgba(210, 139, 37, 0.16);
  color: #f0c07a;
  border: 1px solid rgba(210, 139, 37, 0.45);
}

/* --------------------------------------------------------------------------
   7. Fahrende Batterie
   -------------------------------------------------------------------------- */

.batterie-flow {
  display: grid;
  gap: 0.9rem;
  counter-reset: flow;
}

.batterie-schritt {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.15rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  position: relative;
}

.batterie-schritt::after {
  content: "";
  position: absolute;
  left: 2.45rem;
  bottom: -0.65rem;
  width: 2px;
  height: 0.65rem;
  background: var(--line-strong);
}

.batterie-schritt:last-child::after {
  display: none;
}

.batterie-zeit {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(40, 164, 118, 0.14);
  color: var(--green);
}

.batterie-zeit svg {
  width: 1.3rem;
  height: 1.3rem;
}

.batterie-schritt h3 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
}

.batterie-schritt p {
  margin: 0;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   8. Finanzierung – die drei Pfeiler
   -------------------------------------------------------------------------- */

.pfeiler-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.1rem;
}

.pfeiler-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.6rem 1.5rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  border-radius: 16px;
  background: var(--surface);
}

.pfeiler-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.pfeiler-nummer {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.pfeiler-card p {
  margin: 0;
  color: var(--muted);
}

.pfeiler-card .pfeiler-fuss {
  margin-top: auto;
  padding-top: 0.9rem;
  font-size: 0.87rem;
}

/* --------------------------------------------------------------------------
   9. Team
   -------------------------------------------------------------------------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.team-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.6rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.team-portrait {
  width: 4.2rem;
  height: 4.2rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(40, 164, 118, 0.16);
  border: 1px solid var(--line-strong);
  color: var(--green);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.team-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.team-rolle {
  color: var(--green);
  font-weight: 600;
  font-size: 0.92rem;
}

.team-card p {
  margin: 0;
  color: var(--muted);
}

.team-kontakt {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.team-kontakt a {
  display: block;
}

/* --------------------------------------------------------------------------
   10. Hinweisbox für offene Punkte
   -------------------------------------------------------------------------- */

.hinweis-offen {
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  background: rgba(210, 139, 37, 0.07);
  padding: 1.1rem 1.3rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.hinweis-offen strong {
  color: #f0c07a;
}

/* --------------------------------------------------------------------------
   11. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1000px) {
  .stufen-rail {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 720px) {
  .stufen-rail {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .stufen-rail a {
    flex-direction: row;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 0.85rem;
  }

  .stufen-rail a::before {
    inset: 0 auto 0 0;
    width: 3px;
    height: auto;
    border-radius: 13px 0 0 13px;
  }

  .stufen-rail-nummer {
    flex: 0 0 auto;
  }

  .stufen-rail-inner {
    padding: 1.2rem 1.1rem 1.4rem;
  }

  .stufen-panel-body {
    padding: 0 1.1rem 1.2rem 1.1rem;
  }

  .gek-intro {
    padding: 1.7rem 1.3rem;
  }

  .batterie-schritt {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .batterie-schritt::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stufen-rail a,
  .sanierung-card {
    transition: none;
  }

  .stufen-rail a:hover,
  .sanierung-card:hover {
    transform: none;
  }
}