/* ============================================================
   PREMIUM TAXI v6 – kalkulator.css
   Styles for kalkulator.html only.
   Base styles from style.css are loaded first.
   ============================================================ */

/* ── Page body override ─────────────────────────── */
.page-kalkulator { background: var(--bg-2); }

/* ── Calc page hero ─────────────────────────────── */
.calc-page-hero {
  padding: 104px 0 40px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.calc-page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 40%, transparent 100%);
  opacity: 0.5;
}

.cph-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center;
}

.cph-left { max-width: 560px; }
.cph-left .sec-tag { display: inline-block; margin-bottom: 14px; }
.cph-h1 { font-size: clamp(2rem, 5vw, 3.6rem); margin-bottom: 14px; }
.cph-lead { font-size: 0.96rem; color: var(--text-2); line-height: 1.65; }

/* Reference card */
.ref-card {
  background: var(--surface); border: 1px solid var(--border-gold);
  border-radius: var(--r-lg); padding: 22px 24px; min-width: 280px;
  box-shadow: var(--glow-card);
  position: relative; overflow: hidden;
}
.ref-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.ref-card__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
.ref-card__label { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); }
.ref-card__sub { font-size: 0.75rem; color: var(--gold); }
.ref-card__rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.ref-card__row {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--surf-2); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 10px 14px; font-size: 0.83rem; color: var(--text-2);
}
.ref-card__row--night { border-color: rgba(74,140,255,0.15); background: rgba(74,140,255,0.04); }
.ref-card__row strong { font-family: var(--font-d); font-size: 1.1rem; font-weight: 400; color: var(--gold); }
.ref-card__note { font-size: 0.68rem; color: var(--text-3); text-align: center; }

/* ── Main calc layout ───────────────────────────── */
.calc-main { padding: 40px 0 80px; }

.calc-layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 28px;
  align-items: start;
}

/* ── Route summary in result ────────────────────── */
.rb-route-summary {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 10px;
}
.rb-route-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--surf-2); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 10px 12px;
}
.rb-route-icon { font-size: 1.1rem; flex-shrink: 0; }
.rb-route-label { display: block; font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); margin-bottom: 2px; }
.rb-route-item strong { font-family: var(--font-d); font-size: 1.1rem; font-weight: 400; color: var(--text); }

/* Rate inline display */
#res-km-rate, #res-min-rate { font-size: 0.75em; color: var(--text-3); }

/* Back link */
.btn-back-link {
  display: block; text-align: center; font-size: 0.78rem;
  color: var(--text-3); padding: 6px;
  transition: color var(--t);
}
.btn-back-link:hover { color: var(--gold); }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 1100px) {
  .cph-inner { grid-template-columns: 1fr; }
  .ref-card { max-width: 480px; }
  .calc-layout { grid-template-columns: 1fr; }
  .calc-map-wrap { height: 420px; order: -1; }
}

@media (max-width: 640px) {
  .calc-page-hero { padding-top: 90px; }
  .rb-route-summary { grid-template-columns: 1fr; }
  .calc-map-wrap { height: 300px; }
}