/* ============================================================
   Бюджет — calculator page
   Editorial form + result tables, scoped to /budget/.
   Reuses tokens from main.css; never overrides them.
   ============================================================ */

/* ---- Hero ----------------------------------------------- */

.budget-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: normal;
  font-size: clamp(3rem, 8.5vw, 6.4rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 0 0 1.2rem;
  color: var(--ink);
}
.budget-title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 600;
}

/* ---- Form scaffold -------------------------------------- */

.budget-form {
  max-width: var(--frame-max);
  margin: 0 auto 3.5rem;
}

.bform-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 3rem;
  padding: 1.8rem 0;
  border-top: 1px solid var(--rule);
}
.bform-row:first-of-type { border-top: 1px solid var(--rule-strong); }
.bform-row:last-of-type  { border-bottom: 1px solid var(--rule); }

@media (max-width: 720px) {
  .bform-row {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.4rem 0;
  }
}

.bform-row-head {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  column-gap: 0.8rem;
  align-items: baseline;
}

.bform-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--accent);
  line-height: 1;
  grid-row: 1;
}

.bform-label {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
  grid-row: 1;
}

.bform-hint {
  grid-column: 2;
  margin: 0.4rem 0 0;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 32rem;
}

.bform-control {
  align-self: center;
}

/* ---- Selects (editorial, no native chrome) -------------- */

.bform-select {
  position: relative;
  display: block;
}
.bform-select select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--ink);
  padding: 0.6rem 1.8rem 0.55rem 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  color: var(--ink);
  cursor: pointer;
  letter-spacing: -0.005em;
  font-feature-settings: "tnum";
  border-radius: 0;
}
.bform-select select:focus {
  outline: none;
  border-bottom-color: var(--accent);
  color: var(--accent);
}
.bform-select select:focus-visible {
  outline: none;
}
.bform-select-arrow {
  position: absolute;
  right: 0.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  pointer-events: none;
}

/* ---- Radios (chips with hairlines) ---------------------- */

.bform-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.bform-radio {
  flex: 1 1 auto;
  min-width: 8rem;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.85rem 1rem 0.85rem 0;
  border-right: 1px solid var(--rule);
  cursor: pointer;
  position: relative;
  transition: background-color 120ms ease, color 120ms ease;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.bform-radio:first-child { }
.bform-radio:last-child  { border-right: none; }
.bform-radio:not(:first-child) { padding-left: 1rem; }
.bform-radio:hover { background-color: var(--paper-warm); }

.bform-radio input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.bform-radio-mark {
  display: inline-block;
  width: 0.7em;
  height: 0.7em;
  border: 1px solid var(--ink);
  flex-shrink: 0;
  margin-top: 0.05em;
  transform: translateY(0.05em);
  background: transparent;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.bform-radio input:checked + .bform-radio-mark {
  background: var(--accent);
  border-color: var(--accent);
}
.bform-radio input:focus-visible + .bform-radio-mark {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.bform-radio-text em {
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-left: 0.4em;
  font-weight: 400;
}

.bform-radio input:checked ~ .bform-radio-text {
  color: var(--accent);
}

.bform-radio-tight {
  min-width: 5rem;
  font-size: 1.05rem;
}

@media (max-width: 540px) {
  .bform-radio {
    flex-basis: 50%;
    border-right: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
  }
  .bform-radio:nth-child(2n) { border-right: none; }
  .bform-radio:nth-last-child(-n+2) { border-bottom: none; }
}

/* ---- Actions -------------------------------------------- */

.bform-actions {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  margin-top: 2.2rem;
  padding-top: 1.4rem;
  border-top: 3px double var(--rule-strong);
  flex-wrap: wrap;
}

.bform-submit {
  background: none;
  border: none;
  border-bottom: 1px solid var(--ink);
  padding: 0.4rem 0 0.4rem 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  color: var(--ink);
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: color 120ms ease, border-color 120ms ease;
}
.bform-submit:hover,
.bform-submit:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
  outline: none;
}
.bform-submit-arrow {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.8em;
  color: var(--accent);
  margin-left: 0.3em;
  display: inline-block;
  transition: transform 150ms ease;
}
.bform-submit:hover .bform-submit-arrow { transform: translateX(0.3em); }

.bform-reset {
  background: none;
  border: none;
  padding: 0.4rem 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  cursor: pointer;
}
.bform-reset:hover { color: var(--accent); }

/* ---- Result block --------------------------------------- */

.budget-result {
  max-width: var(--frame-max);
  margin: 0 auto;
  padding-top: 2rem;
}
.budget-result[hidden] { display: none; }

.bresult-head {
  border-top: 3px double var(--rule-strong);
  padding-top: 1.8rem;
  margin-bottom: 2rem;
}
.bresult-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.6rem;
}
.bresult-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: italic;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
  color: var(--ink);
}
.bresult-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(0.98rem, 1.4vw, 1.2rem);
  color: var(--ink-soft);
  margin: 0;
  max-width: 44rem;
}

/* ---- Two-column tier grid ------------------------------- */

.bresult-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 960px) {
  .bresult-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.bresult-col-head {
  margin-bottom: 0.6rem;
}
.bresult-col-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 0.1rem;
}
.bresult-col-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.55rem;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.bresult-col.is-chosen .bresult-col-title { color: var(--accent); }
.bresult-col.is-chosen .bresult-col-eyebrow::after {
  content: " · ваш выбор";
  color: var(--accent);
}

/* ---- Result table --------------------------------------- */

.bresult-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.bresult-table thead th {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: left;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--rule-strong);
}
.bresult-table thead th.num { text-align: right; }

.bresult-table tbody tr {
  border-bottom: 1px solid var(--rule);
}
.bresult-table tbody th,
.bresult-table tbody td {
  padding: 0.7rem 0;
  vertical-align: baseline;
  text-align: left;
}

.cell-label {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 0.4em;
  padding-right: 0.6rem;
}
.cell-label-text { flex-shrink: 0; }
.cell-leader {
  flex: 1;
  border-bottom: 1px dotted var(--ink-faint);
  margin: 0 0.15rem;
  transform: translateY(-0.25rem);
  min-width: 0.6rem;
}

.bresult-table td.num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
  padding-left: 0.6rem;
  padding-right: 0.6rem;
  min-width: 5.2rem;
}

.cell-source {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  text-transform: lowercase;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 14rem;
}

@media (max-width: 540px) {
  .cell-source { display: none; }
  .bresult-table thead th:last-child { display: none; }
  .bresult-table tbody td:last-child { display: none; }
}

/* ---- Total row ------------------------------------------ */

.bresult-table tfoot .bresult-total th,
.bresult-table tfoot .bresult-total td {
  padding: 1rem 0 0.4rem;
  border-top: 3px double var(--rule-strong);
  border-bottom: none;
}
.bresult-table tfoot .bresult-total th {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}
.bresult-table tfoot .bresult-total td.num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.3rem;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.bresult-col.is-chosen .bresult-table tfoot .bresult-total td.num {
  font-size: 1.55rem;
}

/* ---- Footer legend -------------------------------------- */

.bresult-foot {
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
}
.bresult-legend {
  margin: 0 0 0.8rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 50rem;
}
.bresult-reset {
  margin: 1.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}