.voss-solar {
  --voss-gold: #f4b719;
  --voss-orange: #f47a20;
  --voss-ink: #111111;
  --voss-muted: #69665f;
  --voss-paper: #f5f2e9;
  --voss-line: rgba(17, 17, 17, 0.13);
  --voss-radius: 28px;
  color: var(--voss-ink);
  background: var(--voss-paper);
  font-family: inherit;
  font-size: 18px;
  line-height: 1.55;
}

.voss-solar *,
.voss-solar *::before,
.voss-solar *::after { box-sizing: border-box; }

.voss-solar button,
.voss-solar input,
.voss-solar select { font: inherit; }

.voss-solar__inner {
  width: min(100% - 40px, 1480px);
  margin-inline: auto;
  padding: clamp(54px, 7vw, 110px) 0;
}

.voss-solar__header { max-width: 960px; margin-bottom: 44px; }
.voss-solar__kicker,
.voss-solar__eyebrow {
  margin: 0 0 14px;
  color: var(--voss-orange);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.3;
}

.voss-solar h1,
.voss-solar h2,
.voss-solar h3,
.voss-solar h4 { margin: 0; color: inherit; line-height: 1.08; }
.voss-solar h1 { font-size: clamp(42px, 5vw, 76px); letter-spacing: -0.045em; }
.voss-solar h2 { font-size: clamp(31px, 3.5vw, 52px); letter-spacing: -0.035em; }
.voss-solar h3 { font-size: clamp(28px, 3vw, 42px); letter-spacing: -0.025em; }
.voss-solar h4 { font-size: clamp(22px, 2vw, 29px); }
.voss-solar__lead { max-width: 820px; margin: 22px 0 0; color: var(--voss-muted); font-size: clamp(18px, 1.5vw, 23px); }

.voss-solar__tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.voss-solar__tab {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 104px;
  padding: 22px 26px;
  border: 1px solid var(--voss-line);
  border-radius: 22px;
  color: var(--voss-ink);
  background: rgba(255, 255, 255, 0.74);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.voss-solar__tab:hover,
.voss-solar__tab:focus-visible { border-color: var(--voss-gold); transform: translateY(-2px); }
.voss-solar__tab.is-active { border-color: var(--voss-gold); box-shadow: inset 0 -4px 0 var(--voss-gold); }
.voss-solar__tab-number { display: grid; place-items: center; flex: 0 0 48px; width: 48px; height: 48px; border-radius: 50%; background: var(--voss-ink); color: white; font-weight: 800; }
.voss-solar__tab.is-active .voss-solar__tab-number { color: var(--voss-ink); background: linear-gradient(135deg, var(--voss-gold), var(--voss-orange)); }
.voss-solar__tab strong,
.voss-solar__tab small { display: block; }
.voss-solar__tab strong { font-size: 20px; line-height: 1.25; }
.voss-solar__tab small { margin-top: 4px; color: var(--voss-muted); font-size: 14px; }

.voss-solar__panel {
  padding: clamp(26px, 4vw, 56px);
  border: 1px solid var(--voss-line);
  border-radius: var(--voss-radius);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 28px 70px rgba(32, 27, 15, 0.08);
}
.voss-solar__panel[hidden] { display: none !important; }
.voss-solar__panel-heading,
.voss-solar__results-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 30px; }

.voss-solar__next,
.voss-solar__pdf {
  flex: 0 0 auto;
  min-height: 54px;
  padding: 14px 22px;
  border: 0;
  border-radius: 14px;
  color: var(--voss-ink);
  background: linear-gradient(135deg, var(--voss-gold), var(--voss-orange));
  font-weight: 800;
  cursor: pointer;
}
.voss-solar__back { padding: 8px 0; border: 0; border-bottom: 1px solid currentColor; color: var(--voss-ink); background: transparent; font-weight: 700; cursor: pointer; }

.voss-solar__htw-frame { overflow: hidden; border: 1px solid var(--voss-line); border-radius: 20px; background: white; }
.voss-solar__htw-frame iframe { display: block; width: 100%; height: 720px; border: 0; }
.voss-solar__source { margin-top: 18px; color: var(--voss-muted); font-size: 15px; }
.voss-solar__source p { margin: 8px 0; }
.voss-solar__source a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.voss-solar__hint { padding: 14px 16px; border-left: 4px solid var(--voss-gold); background: rgba(244, 183, 25, 0.08); }

.voss-solar__prognose-intro { max-width: 900px; margin: -8px 0 28px; color: var(--voss-muted); }
.voss-solar__form { display: grid; gap: 20px; }
.voss-solar__fieldset { min-width: 0; margin: 0; padding: 26px; border: 1px solid var(--voss-line); border-radius: 20px; background: white; }
.voss-solar__fieldset--htw { border-color: rgba(244, 183, 25, 0.75); background: #fffaf0; }
.voss-solar__fieldset legend { padding: 0 9px; font-size: 22px; font-weight: 800; }
.voss-solar__fields { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.voss-solar__fieldset--htw .voss-solar__fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.voss-solar__field { display: flex; flex-direction: column; gap: 8px; min-width: 0; font-size: 15px; font-weight: 750; }
.voss-solar__input-wrap { display: flex; align-items: center; min-width: 0; min-height: 54px; overflow: hidden; border: 1px solid rgba(17,17,17,.2); border-radius: 12px; background: #fff; }
.voss-solar__input-wrap:focus-within { border-color: var(--voss-orange); box-shadow: 0 0 0 3px rgba(244,122,32,.12); }
.voss-solar__input-wrap input,
.voss-solar__input-wrap select { width: 100%; min-width: 0; height: 52px; padding: 0 14px; border: 0 !important; outline: 0; color: var(--voss-ink); background: transparent !important; box-shadow: none !important; }
.voss-solar__input-wrap small { flex: 0 0 auto; padding-right: 13px; color: var(--voss-muted); font-size: 12px; white-space: nowrap; }
.voss-solar__fieldset-note { margin: 18px 0 0; color: var(--voss-muted); font-size: 14px; }
.voss-solar__field--checkbox { align-self: end; flex-direction: row; align-items: center; min-height: 54px; padding: 12px 15px; border: 1px solid rgba(17,17,17,.2); border-radius: 12px; background: #fff; cursor: pointer; }
.voss-solar__field--checkbox input { width: 22px; height: 22px; accent-color: var(--voss-orange); }

.voss-solar__results { margin-top: 34px; padding: clamp(24px, 4vw, 44px); border-radius: 24px; color: white; background: #111; }
.voss-solar__results .voss-solar__eyebrow { color: var(--voss-gold); }
.voss-solar__result-section + .voss-solar__result-section { margin-top: 36px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.15); }
.voss-solar__result-section h4 { margin-bottom: 18px; }
.voss-solar__result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.voss-solar__result-grid article { display: grid; align-content: start; min-height: 150px; padding: 20px; border: 1px solid rgba(255,255,255,.16); border-radius: 16px; background: rgba(255,255,255,.055); }
.voss-solar__result-grid article > span { min-height: 45px; color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.35; }
.voss-solar__result-grid strong { margin-top: 15px; color: white; font-size: clamp(27px, 3vw, 42px); line-height: 1; }
.voss-solar__result-grid small { margin-top: 5px; color: var(--voss-gold); }
.voss-solar__result-highlight { border-color: var(--voss-gold) !important; background: linear-gradient(135deg, rgba(244,183,25,.18), rgba(244,122,32,.08)) !important; }
.voss-solar__pdf:hover,
.voss-solar__next:hover { filter: brightness(1.05); }
.voss-solar__disclaimer { margin-top: 24px; padding: 18px 20px; border: 1px solid var(--voss-line); border-radius: 16px; color: var(--voss-muted); background: rgba(255,255,255,.65); font-size: 14px; }

@media (max-width: 1100px) {
  .voss-solar__fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .voss-solar__result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .voss-solar__htw-frame iframe { height: 820px; }
}

@media (max-width: 720px) {
  .voss-solar { font-size: 16px; }
  .voss-solar__inner { width: min(100% - 24px, 1480px); padding: 42px 0; }
  .voss-solar__tabs,
  .voss-solar__fields,
  .voss-solar__fieldset--htw .voss-solar__fields,
  .voss-solar__result-grid { grid-template-columns: 1fr; }
  .voss-solar__tab { min-height: 88px; padding: 17px; }
  .voss-solar__tab strong { font-size: 17px; }
  .voss-solar__panel { padding: 22px 16px; border-radius: 20px; }
  .voss-solar__panel-heading,
  .voss-solar__results-heading { align-items: flex-start; flex-direction: column; }
  .voss-solar__next,
  .voss-solar__pdf { width: 100%; }
  .voss-solar__fieldset { padding: 20px 15px; }
  .voss-solar__results { padding: 24px 15px; }
  .voss-solar__result-grid article { min-height: 132px; }
  .voss-solar__htw-frame { margin-inline: -8px; border-radius: 12px; }
  .voss-solar__htw-frame iframe { height: 1260px; }
}

@media (prefers-reduced-motion: reduce) {
  .voss-solar *, .voss-solar *::before, .voss-solar *::after { scroll-behavior: auto !important; transition: none !important; }
}