.kalk-grid { display: grid; gap: 34px; align-items: start; }
@media (min-width: 1000px) { .kalk-grid { grid-template-columns: 1.05fr .95fr; } }

.kalk-block { margin-bottom: 30px; }
.kalk-block > legend, .kalk-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 12px;
  display: block;
}
fieldset.kalk-block { border: 0; padding: 0; }

.kalk-block label.kalk-radio {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: var(--tap);
  margin-right: 18px;
  cursor: pointer;
  font-size: 16px;
}
.kalk-radio input { accent-color: var(--accent-ink); width: 18px; height: 18px; }


.kalk-dop {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
}


.kalk-area-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.kalk-area-row input[type="range"] { flex: 1 1 240px; min-width: 200px; }

.kalk-area-input {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 12px 0 4px;
  background: var(--bg);
}
.kalk-area-unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--ink-soft);
}
.kalk-area-num {
  width: 74px;
  border: 0;
  min-height: var(--tap);
  padding: 8px 4px 8px 8px;
  font: 600 18px/1.2 'Manrope', sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.kalk-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-soft);
}


.kalk-rooms { display: grid; gap: 8px; }
.kalk-room {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 14px;
  background: var(--panel);
  border-radius: 12px;
  min-height: var(--tap);
}
.kalk-room-name { font-size: 16px; }
.kalk-room-name small { display: block; font-size: 13px; color: var(--ink-soft); }
.kalk-counter { display: flex; align-items: center; gap: 4px; }
.kalk-counter button {
  width: var(--tap);
  height: var(--tap);
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 10px;
  font-size: 20px;
  line-height: 1;
  color: var(--ink);
  cursor: pointer;
}
.kalk-counter button:hover { background: var(--panel-2); }
.kalk-counter span {
  min-width: 28px;
  text-align: center;
  font: 600 18px/1 'Manrope', sans-serif;
}

.kalk-room[hidden] { display: none; }

.kalk-detali {
  border: 1px solid var(--line, #dfe3ea);
  border-radius: var(--radius-lg);
  padding: 0 18px;
  margin-bottom: 30px;
}
.kalk-detali > summary {
  cursor: pointer;
  padding: 16px 0;
  font: 600 17px/1.3 'Manrope', sans-serif;
  list-style: none;
}
.kalk-detali > summary::-webkit-details-marker { display: none; }
.kalk-detali > summary::before {
  content: '+';
  display: inline-block;
  width: 22px;
  font-weight: 400;
  color: var(--accent);
}
.kalk-detali[open] > summary::before { content: '–'; }
.kalk-detali > summary span {
  display: block;
  margin-left: 22px;
  font: 400 14px/1.45 'Manrope', sans-serif;
  color: var(--ink-soft);
}
.kalk-opciya { padding: 4px 0 16px; }
.kalk-opciya + .kalk-opciya { border-top: 1px solid var(--line, #dfe3ea); padding-top: 14px; }
.kalk-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1.4;
}
.kalk-check input { accent-color: var(--accent-ink); width: 18px; height: 18px; margin-top: 2px; }
.kalk-check small, .kalk-podskazka {
  display: block;
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink-soft);
  margin-top: 3px;
}
.kalk-podskazka { margin-left: 28px; }

.kalk-base {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-soft);
}


.hero-v2.hero-kalk { overflow: clip; }
.kalk-result {
  background: var(--panel);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  position: sticky;
  top: calc(73px + 16px); 
}
.kalk-total {
  font: 700 34px/1.15 'Manrope', sans-serif;
  margin: 10px 0 6px;
}
@media (min-width: 640px) { .kalk-total { font-size: 40px; } }
.kalk-perm2 { font-size: 15px; color: var(--ink-soft); margin-bottom: 18px; }
.kalk-sostav {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 18px;
  line-height: 1.6;
}

.kalk-fakt {
  font-size: 15px;
  line-height: 1.5;
  padding: 12px 14px;
  margin-bottom: 18px;
  border-left: 3px solid var(--accent);
  background: var(--panel-2);
  border-radius: 0 8px 8px 0;
}
.kalk-what { list-style: none; margin: 0 0 20px; padding: 0; }
.kalk-what li {
  font-size: 15px;
  line-height: 1.5;
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}
.kalk-what li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.kalk-result .btn { width: 100%; justify-content: center; }
.kalk-legal {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-soft);
}


.audit-card {
  background: var(--panel);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
}
.audit-list { list-style: none; margin: 18px 0 22px; padding: 0; display: grid; gap: 10px; }
.audit-list li { font-size: 16px; line-height: 1.5; padding-left: 20px; position: relative; }
.audit-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent-ink);
}


.kalk-grid { margin-top: 34px; }
.kalk-contact-actions { margin-top: 24px; }