/* ============================================================
   Besparingscalculator — interactieve AI-chatbot besparingstool.
   Layered op tokens.css + feature-page.css. Eigen "bc-"-prefix zodat
   generieke namen (.field/.card/.cost) niet botsen met site/Bootstrap.
   Alle kleuren via merk-tokens; navy+oranje = huisstijl.
   ============================================================ */

.bc-hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- Calculator shell ---- */
.bc-calc-section { padding-block: clamp(8px, 2vw, 24px) clamp(48px, 6vw, 80px); }
.bc-calc {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.bc-calc__grid { display: grid; grid-template-columns: 1.15fr .85fr; }
.bc-calc__inputs { padding: clamp(24px, 3vw, 40px); }
.bc-calc__result { background: var(--brand-navy); color: #fff; padding: clamp(24px, 3vw, 40px); }
.bc-calc__inputs h2 { font-size: var(--fs-24); margin-bottom: 6px; color: var(--brand-navy-800); }
.bc-calc__sub { color: var(--fg-3); font-size: var(--fs-15); margin-bottom: 28px; }

/* fields */
.bc-field { margin-bottom: 26px; }
.bc-field--last { margin-bottom: 0; }
.bc-field__top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 10px; }
.bc-field label { font-weight: 600; font-size: var(--fs-15); color: var(--fg-1); }
.bc-field__val { font-family: var(--font-display); font-weight: 700; color: var(--brand-navy); font-size: 1.15rem; white-space: nowrap; }
.bc-field__hint { display: block; color: var(--fg-3); font-size: var(--fs-13); font-weight: 400; margin-top: 2px; }

/* range inputs — oranje progressie tot aan de thumb via --bc-progress (JS) */
.bc-calc input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 7px; border-radius: 7px; outline: none; cursor: pointer;
  background:
    linear-gradient(var(--brand-orange), var(--brand-orange)) 0 / var(--bc-progress, 50%) 100% no-repeat,
    var(--brand-navy-100);
}
.bc-calc input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--brand-orange); cursor: pointer;
  border: 4px solid #fff; box-shadow: 0 2px 8px rgba(235, 120, 14, .4);
}
.bc-calc input[type=range]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--brand-orange); cursor: pointer;
  border: 4px solid #fff; box-shadow: 0 2px 8px rgba(235, 120, 14, .4);
}

/* number fields */
.bc-numfield { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.bc-numfield__cur { font-weight: 600; color: var(--fg-3); }
.bc-numfield input[type=number] {
  width: 110px; font-family: var(--font-sans); font-size: var(--fs-16); font-weight: 600;
  color: var(--brand-navy); background: #fff;
  border: 1.5px solid var(--border-subtle); border-radius: var(--r-md); padding: 9px 12px;
}
.bc-numfield input[type=number]:focus { outline: none; border-color: var(--brand-orange); }
.bc-numfield__hint { margin-top: 0; }

/* result panel (navy) */
.bc-result__label { font-size: var(--fs-13); letter-spacing: .08em; text-transform: uppercase; opacity: .7; font-weight: 500; }
.bc-result__hero { margin: 6px 0 28px; }
.bc-result__big {
  font-family: var(--font-display); font-weight: 800; line-height: 1; color: #fff;
  font-size: clamp(2.6rem, 6vw, 3.6rem);
}
.bc-result__per { color: var(--brand-orange-300); font-size: 1.4rem; font-weight: 700; margin-left: 2px; }
.bc-result__line {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 13px 0; border-top: 1px solid rgba(255, 255, 255, .16); font-size: var(--fs-15);
}
.bc-result__line > span:first-child { opacity: .82; }
.bc-result__v { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; white-space: nowrap; }
.bc-result__line--total { border-top: 2px solid rgba(255, 255, 255, .3); }
.bc-result__v--accent { color: var(--brand-orange-300); }
.bc-result__note { margin-top: 20px; font-size: var(--fs-13); color: rgba(255, 255, 255, .8); line-height: 1.5; }
.bc-result__cta { margin-top: 24px; }
.bc-result__cta .btn { width: 100%; text-align: center; }

/* ---- bands / sections ---- */
.bc-band { padding-block: clamp(48px, 6vw, 80px); }
.bc-band--tight { padding-top: 0; }
.bc-band__head { text-align: center; max-width: 640px; margin: 0 auto clamp(32px, 4vw, 48px); }
.bc-band__head h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; letter-spacing: -.02em; color: var(--brand-navy-800); margin-bottom: 14px; }
.bc-band__head p { color: var(--fg-3); font-size: 1.08rem; margin: 0; }

/* cards */
.bc-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.bc-card { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-xl); padding: 30px 26px; }
.bc-card__ic { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-orange-100); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 16px; }
.bc-card h3 { font-size: 1.18rem; margin-bottom: 8px; color: var(--brand-navy-800); }
.bc-card p { color: var(--fg-3); font-size: var(--fs-15); margin: 0; }

/* cost strip — live prijzen */
.bc-cost {
  background: var(--brand-navy-50); border: 1px solid var(--border-subtle); border-radius: var(--r-2xl);
  padding: clamp(28px, 4vw, 46px) clamp(24px, 3vw, 40px);
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center;
}
.bc-cost__intro h2 { text-align: left; font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; color: var(--brand-navy-800); margin-bottom: 12px; }
.bc-cost__intro p { color: var(--neutral-600); margin-bottom: 10px; }
.bc-cost__link { margin-bottom: 0; }
.bc-cost__link a { color: var(--brand-orange-700); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.bc-cost__plans { display: flex; flex-direction: column; gap: 12px; }
.bc-cost__row { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-lg); padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; }
.bc-cost__name { font-weight: 600; color: var(--brand-navy); }
.bc-cost__amt { font-family: var(--font-display); font-weight: 700; color: var(--brand-navy); font-size: 1.3rem; }
.bc-cost__amt small { font-size: var(--fs-13); color: var(--fg-3); font-weight: 500; margin-left: 3px; }

/* "Hoe wordt dit berekend?" — uitklapbare uitleg, ín het navy result-paneel */
.bc-explain { margin-top: 16px; border-top: 1px solid rgba(255, 255, 255, .16); }
.bc-explain__toggle {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 0 2px;
  font-size: var(--fs-13); font-weight: 600; color: #fff; opacity: .82;
}
.bc-explain__toggle::-webkit-details-marker { display: none; }
.bc-explain__toggle:hover { opacity: 1; }
.bc-explain__toggle svg { flex: none; opacity: .7; transition: transform var(--dur-base) var(--ease-out); }
.bc-explain[open] .bc-explain__toggle svg { transform: rotate(180deg); }
.bc-explain__body { padding: 6px 0 2px; }
.bc-explain__body p { color: rgba(255, 255, 255, .8); font-size: var(--fs-13); line-height: 1.55; margin: 0 0 10px; }
.bc-explain__body p:last-child { margin-bottom: 0; }

@media (max-width: 860px) {
  .bc-calc__grid { grid-template-columns: 1fr; }
  .bc-cards { grid-template-columns: 1fr; }
  .bc-cost { grid-template-columns: 1fr; gap: 24px; }
}