/* ==========================================================================
   roi-rechner.css — Spar-/ROI-Rechner als wiederverwendbare Sektion
   Wird auf /telefonservice.html und /sekretariat.html eingebunden
   ========================================================================== */

/* --------------------------------------------------------------------------
   Section-Wrapper
   -------------------------------------------------------------------------- */
.roi-section {
  position: relative;
  background:
    radial-gradient(120% 80% at 50% 0%, var(--blue-light) 0%, transparent 55%),
    var(--surface-soft);
  border-top: 1px solid var(--gray-200);
  padding-block: var(--space-11);
  padding-inline: var(--section-pad-x);
}

.roi-section__inner {
  max-width: 920px;
  margin-inline: auto;
}

.roi-section__title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--fw-bold);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}

.roi-section__lead {
  text-align: center;
  font-size: var(--fs-md);
  line-height: 1.6;
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}


/* --------------------------------------------------------------------------
   Tabs (Telefonservice / Sachbearbeitung)
   -------------------------------------------------------------------------- */
.roi-tabs {
  display: flex;
  gap: 4px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  padding: 5px;
  max-width: 460px;
  margin-inline: auto;
  margin-bottom: var(--space-7);
}

.roi-tab {
  flex: 1;
  background: transparent;
  border: 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--text-body);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--duration-fast) var(--ease-out);
}

.roi-tab:not(.is-active):hover { color: var(--blue); }

.roi-tab.is-active {
  background: var(--white);
  color: var(--blue);
  font-weight: var(--fw-bold);
  box-shadow: var(--shadow-sm);
}

.roi-tab__check {
  width: 16px;
  height: 16px;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.roi-tab.is-active .roi-tab__check { opacity: 1; }


/* --------------------------------------------------------------------------
   Single-Tab-Variant (data-roi-variant="telefon" | "sach")
   Service-/Branchen-/Sekretariats-Seiten zeigen nur EIN Produkt. Die Tab-Leiste
   entfällt; das passende Panel wird direkt per Attribut gezeigt (FOUC-frei,
   noch vor dem JS-Init). "both" (Startseite) behält die Tab-Leiste.
   -------------------------------------------------------------------------- */
.roi-section[data-roi-variant="telefon"] .roi-tabs,
.roi-section[data-roi-variant="sach"]    .roi-tabs { display: none; }

.roi-section[data-roi-variant="sach"] .roi-panel[data-panel="telefon"] { display: none; }
.roi-section[data-roi-variant="sach"] .roi-panel[data-panel="sach"]    { display: block; }

.roi-section--single .roi-section__lead { margin-bottom: var(--space-7); }


/* --------------------------------------------------------------------------
   Panels (sichtbar je nach aktivem Tab)
   -------------------------------------------------------------------------- */
.roi-panel { display: none; }
.roi-panel.is-active {
  display: block;
  animation: roi-fade-in var(--duration-base) var(--ease-out);
}

@keyframes roi-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.roi-panel__title {
  font-size: var(--fs-xl);
  color: var(--black);
  margin-bottom: var(--space-2);
}

.roi-panel__intro {
  color: var(--text-body);
  margin-bottom: var(--space-6);
}


/* --------------------------------------------------------------------------
   Slider-Eingaben
   -------------------------------------------------------------------------- */
.roi-input-group { margin-bottom: var(--space-6); }

.roi-input-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  color: var(--black);
  font-size: var(--fs-md);
}

.roi-input-label strong { font-weight: var(--fw-bold); }

.roi-input-value {
  font-weight: var(--fw-bold);
  font-size: var(--fs-md);
  color: var(--blue);
  background: var(--blue-light);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  min-width: 110px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* Custom Range-Slider — Webkit + Firefox einheitlich */
.roi-slider input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 32px;
  background: transparent;
  margin: 0;
  cursor: pointer;
}

.roi-slider input[type="range"]:focus { outline: none; }

.roi-slider input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  background-color: var(--gray-200);
  background-image: linear-gradient(90deg, var(--green) 0%, var(--green-bright) 100%);
  background-size: var(--fill, 0%) 100%;
  background-repeat: no-repeat;
  border-radius: var(--radius-full);
}

.roi-slider input[type="range"]::-moz-range-track {
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
}

.roi-slider input[type="range"]::-moz-range-progress {
  height: 8px;
  background: var(--green);
  border-radius: var(--radius-full);
}

.roi-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  background: var(--white);
  border: 3px solid var(--green-dark);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  cursor: grab;
  margin-top: -9px;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.roi-slider input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.08); }
.roi-slider input[type="range"]::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.15); box-shadow: var(--shadow-lg); }

.roi-slider input[type="range"]::-moz-range-thumb {
  width: 26px;
  height: 26px;
  background: var(--white);
  border: 3px solid var(--green-dark);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  cursor: grab;
}

.roi-slider input[type="range"]:focus-visible::-webkit-slider-thumb {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

.roi-slider__minmax {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-sm);
  color: var(--text-body);
  margin-top: var(--space-2);
}


/* --------------------------------------------------------------------------
   Vergleichs-Cards
   -------------------------------------------------------------------------- */
.roi-cards {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-7);
}

@media (min-width: 48em) {
  .roi-cards { grid-template-columns: 1fr 1fr; }
}

.roi-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  position: relative;
}

/* Eigene Kraft: bewusst zurückhaltend — tritt hinter die o&p-Lösung zurück */
.roi-card--ma {
  background: var(--gray-50);
  border-color: var(--gray-200);
  box-shadow: none;
}

/* Spar-Card: visueller Held mit Marken-Akzent + Hover-Lift */
.roi-card--save {
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.roi-card--save:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent-lg);
}

/* Eigene Kraft günstiger (Ersparnis ≤ 0): Spar-Kachel neutral, kein Hover-Lift (Klasse von roi-rechner.js gesetzt). */
.roi-card--save.roi-savings--none:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   Spar-Card (ersetzt in der Sachbearbeitung die o&p-Card)
   -------------------------------------------------------------------------- */
.roi-card--save {
  border: 1.5px solid var(--blue);
  background: linear-gradient(160deg, var(--blue-light) 0%, var(--white) 100%);
  box-shadow: var(--shadow-accent);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.roi-save__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.roi-save__icon svg { width: 24px; height: 24px; }

.roi-save__title {
  font-size: var(--fs-xl);
  color: var(--blue);
  margin: 0;
}

.roi-save__title .roi-savings__amount {
  font-weight: var(--fw-black);
  font-size: var(--fs-3xl);
}

/* Jahres-Hochrechnung unter dem Sparbetrag */
.roi-save__year {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--blue-dark);
  margin-top: 2px;
}

.roi-save__op {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--blue);
}

.roi-save__op-label { color: var(--text-body); font-size: var(--fs-base); }

.roi-save__op-value {
  font-weight: var(--fw-bold);
  font-size: var(--fs-lg);
  color: var(--black);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.roi-save__text {
  color: var(--text-body);
  margin: 0;
}

/* Netto-Hinweis direkt unter dem o&p-Endbetrag */
.roi-save__op-note {
  margin: calc(var(--space-3) * -1) 0 0;
  font-size: var(--fs-sm);
  color: var(--gray-600);
}

/* Telefon: Preis variiert je nach gewählter Variante (KI / Mensch / Hybrid) */
.roi-save__disclaimer {
  margin: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--gray-50);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--text-body);
  line-height: var(--lh-base);
}

.roi-save__cta {
  margin-top: auto;
  align-self: flex-start;
}

/* Negativ-Zustand: eigene Kraft günstiger → neutral statt blau (Klasse via roi-rechner.js) */
.roi-card--save.roi-savings--none {
  border-color: var(--gray-300);
  background: var(--gray-50);
  box-shadow: var(--shadow-sm);
}

.roi-card--save.roi-savings--none .roi-save__icon { background: var(--gray-400); }
.roi-card--save.roi-savings--none .roi-save__title { color: var(--black); }
.roi-card--save.roi-savings--none .roi-save__op { border-top-color: var(--gray-300); }

.roi-card__title {
  font-size: var(--fs-lg);
  color: var(--black);
  margin-bottom: var(--space-4);
}

.roi-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
}

.roi-row + .roi-row { border-top: 1px solid var(--gray-100); }

.roi-row__label {
  color: var(--text-body);
  font-size: var(--fs-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.roi-row__value {
  font-weight: var(--fw-bold);
  color: var(--black);
  font-size: var(--fs-md);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.roi-row--total { padding-top: var(--space-4); margin-top: var(--space-2); border-top: 2px solid var(--gray-200); }
.roi-row--total .roi-row__label { color: var(--black); font-weight: var(--fw-semibold); }
.roi-row--total .roi-row__value {
  font-size: var(--fs-3xl);
  color: var(--blue);
  font-weight: var(--fw-black);
}

/* Farb-Semantik: Blau gehört der o&p-Lösung — der Eigene-Kraft-Endwert bleibt neutral */
.roi-card--ma .roi-row--total .roi-row__value { color: var(--gray-700); }


/* --------------------------------------------------------------------------
   Tooltip (Info-Icon mit Bubble)
   -------------------------------------------------------------------------- */
.roi-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  box-sizing: content-box;
  padding: 3px;                 /* transparente Hitbox → 24px Touch-Target (WCAG 2.5.8) */
  border-radius: 50%;
  background: var(--blue);
  background-clip: content-box; /* sichtbares Icon bleibt 18px */
  color: var(--white);
  border: 0;
  font-family: Georgia, serif;
  font-size: 12px;
  font-style: italic;
  font-weight: var(--fw-bold);
  line-height: 1;
  cursor: help;
  flex-shrink: 0;
  position: relative;
  transition: background var(--duration-fast) var(--ease-out);
}

.roi-info:hover { background: var(--blue-dark); }
.roi-info:focus-visible { background: var(--blue-dark); outline: 2px solid var(--blue); outline-offset: 2px; }

.roi-info::after {
  content: attr(data-tooltip);
  display: block;
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: 240px;
  background: var(--white);
  color: var(--text-body);
  border: 1px solid var(--blue);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family);
  font-size: var(--fs-sm);
  font-style: normal;
  font-weight: var(--fw-regular);
  line-height: var(--lh-base);
  text-align: left;
  white-space: normal;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              visibility var(--duration-base) var(--ease-out);
  z-index: 20;
}

.roi-info:hover::after,
.roi-info:focus-visible::after,
.roi-info.is-open::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}


/* --------------------------------------------------------------------------
   Sparbetrag — Anker-Werte (genutzt in der Spar-Kachel .roi-card--save)
   -------------------------------------------------------------------------- */
.roi-savings__amount {
  font-weight: var(--fw-black);
  font-size: var(--fs-3xl);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* Dezente Hervorhebung im Negativ-Titel ("eigene Kraft") — NICHT die große Anker-Größe */
.roi-savings__hl { font-weight: var(--fw-black); color: var(--blue); }


/* --------------------------------------------------------------------------
   Trust: Methodik-Transparenz + Vertrauensleiste
   -------------------------------------------------------------------------- */
.roi-trust {
  margin-top: var(--space-7);
  max-width: 720px;
  margin-inline: auto;
}

.roi-trust__method {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
}

.roi-trust__method summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  font-weight: var(--fw-semibold);
  color: var(--black);
}

.roi-trust__method summary::-webkit-details-marker { display: none; }

.roi-trust__method summary::after {
  content: "+";
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--blue);
  line-height: 1;
}

.roi-trust__method[open] summary::after { content: "\2013"; }

.roi-trust__method-body {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--text-body);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.roi-trust__method-body strong { color: var(--black); font-weight: var(--fw-semibold); }

.roi-trust__proof {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-2) var(--space-5);
  margin-top: var(--space-5);
  color: var(--text-body);
  font-size: var(--fs-sm);
}

.roi-trust__proof span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.roi-trust__proof svg {
  width: 16px;
  height: 16px;
  color: var(--green-dark);
  flex-shrink: 0;
}


/* --------------------------------------------------------------------------
   CTA-Block (Telefon + Termin)
   -------------------------------------------------------------------------- */
.roi-cta {
  margin-top: var(--space-7);
  padding: var(--space-7) var(--space-5);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  text-align: center;
}

.roi-cta__title {
  font-size: var(--fs-xl);
  color: var(--blue);
  margin-bottom: var(--space-2);
}

.roi-cta__text {
  color: var(--text-body);
  margin-bottom: var(--space-5);
}

.roi-cta__buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}


/* --------------------------------------------------------------------------
   Responsive (Mobile-Anpassungen)
   -------------------------------------------------------------------------- */
@media (max-width: 47.99em) { /* < 768px */
  .roi-section { padding-block: var(--space-7); }
  .roi-section__title { font-size: var(--fs-xl); }
  .roi-tab { font-size: var(--fs-sm); padding: var(--space-3) var(--space-3); }
  .roi-input-label { flex-wrap: wrap; }
  .roi-input-value { width: 100%; }
  .roi-row--total .roi-row__value { font-size: var(--fs-2xl); }
  .roi-cta__buttons .btn { flex: 1 1 100%; }
  .roi-info::after { width: 200px; }
}

@media (min-width: 48em) {
  .roi-section { padding-inline: 24px; }
}

@media (min-width: 56.25em) {
  .roi-section { padding-inline: 40px; }
}

/* Desktop: Held-Werte größer (Ergebnis-Anker) */
@media (min-width: 50em) {
  .roi-save__title .roi-savings__amount { font-size: var(--fs-4xl); }
}

/* Bewegung reduzieren */
@media (prefers-reduced-motion: reduce) {
  .roi-panel.is-active { animation: none; }
  .roi-card--save,
  .roi-slider input[type="range"]::-webkit-slider-thumb { transition: none; }
  .roi-card--save:hover { transform: none; }
}