/* ─── Calc page hero ─────────────────────────── */
.calc-hero-section {
  padding: 1.15rem 1rem .8rem;
  border-bottom: 1px solid var(--line2);
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: .7rem;
  min-height: 36px;
  -webkit-tap-highlight-color: transparent;
  transition: color .15s;
}

.breadcrumb:active, .breadcrumb:hover { color: var(--paper); }

.calc-category {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201,169,110,.1);
  border: 1px solid rgba(201,169,110,.2);
  border-radius: 999px;
  padding: 3px 9px;
  margin-bottom: .6rem;
}

.calc-hero-section h1 {
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.025em;
  margin-bottom: .4rem;
  color: var(--paper);
}

.calc-subtitle {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ─── Calculator container ───────────────────── */
.calc-container {
  padding: 1rem 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ─── Calculator panel ───────────────────────── */
.calc-panel {
  background: var(--panel);
  border: 1px solid var(--line2);
  border-radius: var(--r-lg);
  overflow: hidden;
  animation: rise .35s cubic-bezier(.22,1,.36,1) .08s both;
}

.calc-panel-header {
  padding: .8rem 1.1rem;
  border-bottom: 1px solid var(--line2);
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.calc-panel-icon { font-size: 1rem; }

/* ─── Form ───────────────────────────────────── */
.calc-form {
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .28rem;
}

.form-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--paper);
  line-height: 1.3;
}

.form-label .req { color: var(--gold); margin-left: .1rem; }

.form-hint {
  font-size: .74rem;
  color: var(--dim);
  line-height: 1.5;
}

.form-input,
.form-select {
  height: 52px;
  background: var(--panel2);
  border: 1.5px solid var(--line2);
  border-radius: var(--r-sm);
  color: var(--paper);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  font-weight: 400;
  padding: 0 .9rem;
  outline: none;
  width: 100%;
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
  appearance: none;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%235a5a60' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .9rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-input::placeholder { color: var(--dim); }
.form-input:focus, .form-select:focus {
  border-color: rgba(201,169,110,.5);
  box-shadow: 0 0 0 3px rgba(201,169,110,.08);
}

/* Two-col row — stacked on mobile, side-by-side on tablet+ */
.form-row {
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

/* Radio / checkbox options */
.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  background: var(--panel2);
  border: 1.5px solid var(--line2);
  border-radius: var(--r-sm);
  padding: .8rem 1rem;
  cursor: pointer;
  min-height: 52px;
  transition: border-color .15s, background .15s;
  -webkit-tap-highlight-color: transparent;
}

.radio-option:has(input:checked),
.checkbox-option:has(input:checked) {
  border-color: rgba(201,169,110,.5);
  background: rgba(201,169,110,.05);
}

.radio-option input,
.checkbox-option input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: .1rem;
  accent-color: var(--gold);
  cursor: pointer;
}

.radio-option-body { flex: 1; }
.radio-option-label { font-size: .88rem; font-weight: 600; color: var(--paper); line-height: 1.3; display: block; }
.radio-option-hint  { font-size: .75rem; color: var(--dim); margin-top: .15rem; display: block; }

/* ─── Calculate button ───────────────────────── */
.calc-btn {
  height: 56px;
  background: linear-gradient(135deg, #d4b072, var(--gold), #b8882e);
  color: #12100a;
  border: none;
  border-radius: var(--r-sm);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .01em;
  cursor: pointer;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
  transition: opacity .15s, transform .1s;
  margin-top: .1rem;
  box-shadow: 0 4px 16px rgba(201,169,110,.2);
}

.calc-btn:active { transform: scale(.98); opacity: .9; }

@media (hover: hover) { .calc-btn:hover { opacity: .9; } }

/* ─── Error box ──────────────────────────────── */
.form-error {
  display: none;
  background: rgba(255,100,100,.08);
  border: 1px solid rgba(255,100,100,.2);
  border-radius: var(--r-sm);
  padding: .75rem .9rem;
  font-size: .83rem;
  color: #ff8a8a;
  line-height: 1.6;
}

.form-error.visible { display: block; }

/* ─── Result panel ───────────────────────────── */
.result-panel {
  border-top: 2px solid rgba(201,169,110,.18);
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, rgba(201,169,110,.04) 0%, transparent 60%);
  display: none;
  flex-direction: column;
  gap: 0;
}

.result-panel.visible {
  display: flex;
  animation: rise .3s cubic-bezier(.22,1,.36,1) both;
}

.result-section-title {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  padding-bottom: .6rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .75rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--line2);
}

.result-item:last-of-type { border-bottom: none; }

.result-label {
  font-size: .855rem;
  color: var(--muted);
  line-height: 1.35;
  flex: 1;
}

.result-value {
  font-size: .95rem;
  font-weight: 700;
  color: var(--paper);
  text-align: right;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* Modifiers */
.result-item--primary .result-label  { font-weight: 600; color: var(--paper); font-size: .9rem; }
.result-item--primary .result-value  { font-size: 1.5rem; color: var(--gold2); }
.result-item--deduct  .result-value  { color: #ff8a8a; }
.result-item--net     .result-value  { color: #7ecf9a; font-size: 1.2rem; }
.result-item--neutral .result-value  { color: var(--muted); font-weight: 500; }

.result-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,.2), transparent);
  margin: .3rem 0;
}

.result-warning {
  display: flex;
  gap: .5rem;
  align-items: flex-start;
  background: rgba(255,160,0,.07);
  border: 1px solid rgba(255,160,0,.2);
  border-radius: var(--r-sm);
  padding: .7rem .85rem;
  font-size: .82rem;
  color: #ffb347;
  line-height: 1.65;
  margin-bottom: .3rem;
}

.result-warning-icon { flex-shrink: 0; line-height: 1.4; }

.result-info {
  background: rgba(126,167,255,.06);
  border: 1px solid rgba(126,167,255,.14);
  border-radius: var(--r-sm);
  padding: .7rem .85rem;
  font-size: .82rem;
  color: #a0b8f0;
  line-height: 1.65;
  margin-bottom: .3rem;
}

.result-note {
  font-size: .76rem;
  color: var(--dim);
  line-height: 1.7;
  padding-top: .7rem;
  border-top: 1px solid var(--line2);
  margin-top: .25rem;
}

/* ─── Info card ──────────────────────────────── */
.calc-info {
  background: var(--panel2);
  border: 1px solid var(--line2);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.calc-info-header {
  padding: .8rem 1.1rem;
  border-bottom: 1px solid var(--line2);
  font-size: .8rem;
  font-weight: 700;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: .45rem;
}

.calc-info-body {
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.info-p {
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.75;
}

.info-p strong { color: var(--paper); font-weight: 600; }
.info-p a { color: var(--gold); text-decoration: none; }

.info-table-wrap {
  overflow-x: auto;
  border-radius: var(--r-sm);
  border: 1px solid var(--line2);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
  min-width: 240px;
}

.info-table th,
.info-table td {
  padding: .55rem .85rem;
  text-align: left;
  border-bottom: 1px solid var(--line2);
  white-space: nowrap;
}

.info-table th {
  background: rgba(255,255,255,.04);
  font-weight: 700;
  color: var(--gold);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.info-table td { color: var(--muted); }
.info-table tr:last-child td { border-bottom: none; }
.info-table td:last-child, .info-table th:last-child { text-align: right; }

.legal-ref {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--gold);
  background: rgba(201,169,110,.08);
  border: 1px solid rgba(201,169,110,.15);
  border-radius: var(--r-sm);
  padding: .3rem .65rem;
}

/* ─── FAQ card ───────────────────────────────── */
.calc-faq {
  background: var(--panel);
  border: 1px solid var(--line2);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.calc-faq-header {
  padding: .8rem 1.1rem;
  border-bottom: 1px solid var(--line2);
  font-size: .8rem;
  font-weight: 700;
  color: var(--paper);
}

.calc-faq details {
  border-bottom: 1px solid var(--line2);
}

.calc-faq details:last-child { border-bottom: none; }

.calc-faq summary {
  font-size: .875rem;
  font-weight: 600;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  min-height: 52px;
  padding: .75rem 1.1rem;
  -webkit-tap-highlight-color: transparent;
  line-height: 1.35;
  transition: background .15s;
}

.calc-faq summary:active { background: var(--panel2); }
.calc-faq summary::-webkit-details-marker { display: none; }

.calc-faq summary .faq-chev {
  flex-shrink: 0;
  color: var(--gold);
  transition: transform .2s;
}

.calc-faq details[open] summary .faq-chev { transform: rotate(90deg); }

.calc-faq details p {
  padding: 0 1.1rem .9rem;
  font-size: .865rem;
  color: var(--muted);
  line-height: 1.75;
}

.calc-faq details p strong { color: var(--paper); font-weight: 600; }

/* ─── Similar calcs ──────────────────────────── */
.similar-calcs {
  background: var(--panel2);
  border: 1px solid var(--line2);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.similar-calcs-header {
  padding: .8rem 1.1rem;
  border-bottom: 1px solid var(--line2);
  font-size: .8rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.sim-link {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .85rem 1.1rem;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--line2);
  min-height: 60px;
  transition: background .15s;
  -webkit-tap-highlight-color: transparent;
}

.sim-link:last-child { border-bottom: none; }
.sim-link:active { background: rgba(255,255,255,.03); }

.sim-icon { font-size: 1.25rem; flex-shrink: 0; }
.sim-name { font-size: .9rem; font-weight: 600; color: var(--paper); flex: 1; }
.sim-chev { color: var(--gold); flex-shrink: 0; opacity: .65; }

@media (hover: hover) {
  .sim-link:hover { background: rgba(255,255,255,.02); }
  .sim-link:hover .sim-chev { opacity: 1; }
}

/* ─── Page footer ────────────────────────────── */
.calc-footer {
  border-top: 1px solid var(--line2);
  padding: 1.1rem 1rem;
  padding-bottom: max(1.1rem, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-top: auto;
}

.calc-footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .5rem;
  font-size: .73rem;
  color: var(--dim);
}

.calc-footer-row a { color: var(--dim); text-decoration: none; }
.calc-footer-row a:hover { color: var(--paper); }

.calc-disclaimer {
  font-size: .69rem;
  color: var(--dim);
  line-height: 1.65;
  padding-top: .65rem;
  border-top: 1px solid var(--line2);
}

/* ─── Chevron SVG helper ─────────────────────── */
.chev-right {
  display: inline-block;
  flex-shrink: 0;
}

/* ─── Responsive ─────────────────────────────── */
@media (min-width: 600px) {
  .calc-hero-section {
    padding: 1.8rem 1.5rem 1.2rem;
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
  }

  .calc-hero-section h1 { font-size: 2.1rem; }

  .calc-container {
    padding: 1rem 1.5rem 2rem;
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .85rem;
  }

  .calc-footer { padding: 1.3rem 1.5rem; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .calc-disclaimer { width: 100%; }
}

@media (min-width: 900px) {
  .calc-hero-section { padding: 2.2rem 2.5rem 1.5rem; }
  .calc-container     { padding: 1rem 2.5rem 2.5rem; }
  .calc-footer        { padding: 1.3rem 2.5rem; }
}