/* =========================================================================
   Pricing Calculator — luxury interactive estimator
   ========================================================================= */

.calc-hero {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 40px;
  text-align: center;
}

.calc-hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 600;
  margin-bottom: 18px;
  line-height: 1.05;
}
html[lang="ar"] .calc-hero h1 { font-family: 'Tajawal', sans-serif; font-weight: 800; }

.calc-hero p { color: var(--text-secondary); max-width: 620px; margin-inline: auto; font-size: 1.05rem; }

/* Main layout: form + sticky summary */
.calc-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
  padding-bottom: 80px;
}

/* On tablet/mobile: summary moves to the top and stays sticky as a compact bar */
@media (max-width: 1000px) {
  .calc-layout { grid-template-columns: 1fr; gap: 24px; }

  .summary {
    order: -1;
    position: sticky;
    top: calc(var(--nav-h) + 8px);
    padding: 12px 16px 14px;
    z-index: 10;
  }
  .summary-pearl { display: none; }
  .summary .summary-rows, .summary .summary-note { display: none; }
  .summary-label { margin-bottom: 2px; font-size: 0.66rem; }
  .summary-price { font-size: 1.9rem; margin-bottom: 0; }
  .summary-currency { margin-bottom: 10px; font-size: 0.72rem; }
  .currency-picker { margin-bottom: 10px; gap: 4px; }
  .currency-chip { padding: 4px 9px; font-size: 0.72rem; }
  .summary-actions { flex-direction: row; margin-top: 0; gap: 8px; }
  .summary-actions .btn { flex: 1; padding: 9px 12px; font-size: 0.82rem; }
}

@media (max-width: 720px) {
  .calc-hero { padding-top: calc(var(--nav-h) + 36px); padding-bottom: 24px; }
  .step-card { padding: 22px 20px; }
  .step-num { width: 36px; height: 36px; font-size: 1.05rem; }
  .step-title { font-size: 1.2rem; }
  .option-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .option-row { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .summary-actions .btn { font-size: 0.8rem; padding: 9px 10px; }
}

@media (max-width: 380px) {
  .option-grid { grid-template-columns: 1fr 1fr; }
  .option-row  { grid-template-columns: 1fr 1fr; gap: 8px; }
  .option { padding: 12px 8px; }
  .option-icon { font-size: 1.4rem; }
  .option-label { font-size: 0.85rem; }
  .option-sub { font-size: 0.7rem; }
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Step card */
.step-card {
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-pearl);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
}

.step-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.step-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--pearl-400), var(--pearl-500));
  color: var(--abyss-900);
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(163, 139, 230, 0.4);
}

.step-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 600;
}
html[lang="ar"] .step-title { font-family: 'Tajawal', sans-serif; font-weight: 700; }

.step-hint { color: var(--text-muted); font-size: 0.85rem; margin-top: 2px; }

/* Option grid */
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.option {
  background: rgba(20, 22, 50, 0.4);
  border: 1px solid var(--border-pearl);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  cursor: pointer;
  text-align: center;
  transition: all var(--dur-fast) var(--ease);
  position: relative;
  user-select: none;
}

.option:hover { border-color: var(--border-pearl-strong); background: rgba(40, 42, 80, 0.5); transform: translateY(-2px); }

.option.selected {
  border-color: var(--pearl-400);
  background: linear-gradient(135deg, rgba(212, 196, 255, 0.18), rgba(184, 224, 255, 0.10));
  box-shadow: 0 0 0 3px rgba(212, 196, 255, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.option.selected::after {
  content: '✓';
  position: absolute;
  top: 8px;
  inset-inline-end: 10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--pearl-400);
  color: var(--abyss-900);
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 700;
}

.option-icon { font-size: 1.7rem; margin-bottom: 8px; line-height: 1; }
.option-label { font-weight: 600; font-size: 0.95rem; margin-bottom: 4px; }
.option-sub { color: var(--text-muted); font-size: 0.78rem; }

/* Compact option (for complexity, timeline rows) */
.option-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}
.option-row .option { padding: 14px 12px; }

/* Slider */
.slider-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.slider-val {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-pearl-text);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmerText 6s linear infinite;
  min-width: 70px;
  text-align: center;
}

input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pearl-400) 0%, var(--pearl-400) var(--val, 30%), rgba(40, 42, 80, 0.6) var(--val, 30%));
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 25%, #fff 0%, #FBF7FF 20%, #D4C4FF 60%, #A38BE6 100%);
  box-shadow: 0 4px 12px rgba(163, 139, 230, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  cursor: grab;
  border: 2px solid #fff;
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #fff, #D4C4FF, #A38BE6);
  box-shadow: 0 4px 12px rgba(163, 139, 230, 0.5);
  cursor: grab;
  border: 2px solid #fff;
}

/* Checkbox features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(20, 22, 50, 0.4);
  border: 1px solid var(--border-pearl);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
  user-select: none;
}

.feature:hover { border-color: var(--border-pearl-strong); background: rgba(40, 42, 80, 0.5); }

.feature.selected {
  border-color: var(--pearl-400);
  background: linear-gradient(135deg, rgba(212, 196, 255, 0.15), rgba(184, 224, 255, 0.08));
}

.feature-check {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1.5px solid var(--border-pearl-strong);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all var(--dur-fast) var(--ease);
}

.feature.selected .feature-check {
  background: var(--pearl-400);
  border-color: var(--pearl-400);
}

.feature.selected .feature-check::after {
  content: '✓';
  color: var(--abyss-900);
  font-weight: 700;
  font-size: 0.85rem;
}

.feature-name { flex: 1; font-size: 0.93rem; font-weight: 500; }
.feature-price { color: var(--gold-500); font-size: 0.78rem; font-weight: 600; }

/* Summary panel (sticky) */
.summary {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  background:
    linear-gradient(135deg, rgba(212, 196, 255, 0.12), rgba(184, 224, 255, 0.08), rgba(255, 208, 232, 0.10)),
    rgba(20, 22, 50, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-pearl-strong);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-pearl-strong);
}

.summary-pearl {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 18px;
  background:
    radial-gradient(circle at 30% 25%, #fff 0%, #FFD0E8 25%, #D4C4FF 55%, #A38BE6 85%, #4A3D7A 100%);
  box-shadow:
    inset -6px -8px 20px rgba(74, 61, 122, 0.55),
    inset 4px 6px 14px rgba(255, 255, 255, 0.55),
    0 0 30px rgba(212, 196, 255, 0.45),
    0 8px 24px rgba(0, 0, 0, 0.4);
  position: relative;
  animation: pearlFloat 5s ease-in-out infinite;
}
.summary-pearl::after {
  content: '';
  position: absolute;
  top: 12%;
  left: 18%;
  width: 32%;
  height: 24%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.9), transparent 70%);
  border-radius: 50%;
  filter: blur(1px);
}

.summary-label {
  text-align: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gold-500);
  margin-bottom: 8px;
}

.summary-price {
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 700;
  background: var(--gradient-pearl-text);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmerText 5s linear infinite;
  line-height: 1.1;
  margin-bottom: 4px;
  transition: transform 0.4s var(--ease);
}

.summary-price.bump { transform: scale(1.06); }

.summary-currency {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 22px;
}

.summary-rows { display: flex; flex-direction: column; gap: 12px; }

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-pearl);
}
.summary-row:last-of-type { border-bottom: none; }

.summary-key { color: var(--text-secondary); }
.summary-val { color: var(--text-primary); font-weight: 600; max-width: 60%; text-align: end; }

.summary-actions { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }

.summary-note {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

/* Currency picker */
.currency-picker {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.currency-chip {
  background: rgba(20, 22, 50, 0.5);
  border: 1px solid var(--border-pearl);
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all var(--dur-fast) var(--ease);
}
.currency-chip.active {
  background: var(--gradient-pearl);
  color: var(--abyss-900);
  border-color: transparent;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  inset-inline: 0;
  margin-inline: auto;
  width: fit-content;
  background: var(--surface-glass-strong);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-pearl-strong);
  border-radius: 999px;
  padding: 12px 22px;
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: var(--shadow-pearl);
  z-index: 1000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s var(--ease);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }