/* ═══════════════════════════════════════════════════════════════════════════
   ROI CALCULATOR — Interactive Conversion Tool
   3A Automation MOAT: Personalized ROI projections with real benchmarks
   ═══════════════════════════════════════════════════════════════════════════ */

.roi-section {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.roi-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(79, 186, 241, 0.06), transparent);
  pointer-events: none;
}

.roi-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* ── Calculator Form ────────────────────────────────────────────────────── */

.roi-calc-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(79, 186, 241, 0.15);
  border-radius: 1.25rem;
  padding: 2.5rem;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.roi-calc-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4FBAF1, #10B981, #8B5CF6);
}

.roi-calc-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-light, #E4F4FC);
  margin-bottom: 0.5rem;
}

.roi-calc-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary, #8BA3B9);
  margin-bottom: 2rem;
}

.roi-input-group {
  margin-bottom: 1.75rem;
}

.roi-input-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.roi-input-label span:first-child {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light, #E4F4FC);
}

.roi-input-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary, #4FBAF1);
  font-variant-numeric: tabular-nums;
  min-width: 100px;
  text-align: right;
}

/* Range Slider — Custom styled */
.roi-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(79, 186, 241, 0.15);
  outline: none;
  transition: background 0.2s;
}

.roi-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary, #4FBAF1);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(79, 186, 241, 0.4), 0 2px 8px rgba(0,0,0,0.3);
  border: 3px solid rgba(255,255,255,0.9);
  transition: transform 0.15s, box-shadow 0.15s;
}

.roi-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 20px rgba(79, 186, 241, 0.6), 0 2px 8px rgba(0,0,0,0.3);
}

.roi-range::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary, #4FBAF1);
  cursor: pointer;
  border: 3px solid rgba(255,255,255,0.9);
  box-shadow: 0 0 12px rgba(79, 186, 241, 0.4);
}

.roi-range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-secondary, #8BA3B9);
  opacity: 0.6;
}

.roi-submit-btn {
  width: 100%;
  padding: 1rem 2rem;
  border: none;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #4FBAF1, #10B981);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 0.5rem;
  position: relative;
  overflow: hidden;
}

.roi-submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.roi-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79, 186, 241, 0.3);
}

.roi-submit-btn:hover::before {
  transform: translateX(100%);
}

.roi-benchmark-note {
  font-size: 0.75rem;
  color: var(--text-secondary, #8BA3B9);
  margin-top: 1rem;
  opacity: 0.7;
  line-height: 1.5;
}

/* ── Results Panel ──────────────────────────────────────────────────────── */

.roi-results {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s, transform 0.5s;
  pointer-events: none;
}

.roi-results.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.roi-results-inner {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 1.25rem;
  padding: 2.5rem;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.roi-results-inner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #10B981, #4FBAF1, #8B5CF6);
}

.roi-results-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-light, #E4F4FC);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.roi-results-title svg {
  color: #10B981;
}

.roi-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.roi-result-card {
  background: rgba(79, 186, 241, 0.05);
  border: 1px solid rgba(79, 186, 241, 0.1);
  border-radius: 0.75rem;
  padding: 1.25rem;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.roi-result-card:hover {
  border-color: rgba(79, 186, 241, 0.3);
  transform: translateY(-2px);
}

.roi-result-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary, #4FBAF1);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.roi-result-label {
  font-size: 0.75rem;
  color: var(--text-secondary, #8BA3B9);
  margin-top: 0.35rem;
}

/* Total highlight card */
.roi-total-card {
  background: linear-gradient(135deg, rgba(79, 186, 241, 0.08), rgba(16, 185, 129, 0.08));
  border: 2px solid rgba(16, 185, 129, 0.25);
  border-radius: 1rem;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.roi-total-item {
  text-align: center;
}

.roi-total-value {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #10B981, #4FBAF1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.roi-total-label {
  font-size: 0.8rem;
  color: var(--text-secondary, #8BA3B9);
  margin-top: 0.25rem;
}

.roi-cta-link {
  display: block;
  text-align: center;
  padding: 0.875rem 2rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #4FBAF1, #10B981);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.roi-cta-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 186, 241, 0.3);
}

.roi-sources {
  font-size: 0.7rem;
  color: var(--text-secondary, #8BA3B9);
  opacity: 0.6;
  margin-top: 1rem;
  line-height: 1.5;
}

/* ── System Pulse Section ───────────────────────────────────────────────── */

.system-pulse-section {
  padding: 3rem 0;
  background: rgba(15, 23, 42, 0.4);
  border-top: 1px solid rgba(79, 186, 241, 0.08);
  border-bottom: 1px solid rgba(79, 186, 241, 0.08);
}

.pulse-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.pulse-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(79, 186, 241, 0.1);
  border-radius: 0.875rem;
  padding: 1.5rem 1rem;
  text-align: center;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}

.pulse-card:hover {
  border-color: rgba(79, 186, 241, 0.25);
  transform: translateY(-3px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  display: inline-block;
  margin-bottom: 0.75rem;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(16, 185, 129, 0.6); }
  50% { box-shadow: 0 0 16px rgba(16, 185, 129, 0.9), 0 0 4px rgba(16, 185, 129, 0.4); }
}

.pulse-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-light, #E4F4FC);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.pulse-label {
  font-size: 0.7rem;
  color: var(--text-secondary, #8BA3B9);
  margin-top: 0.5rem;
  line-height: 1.3;
}

.pulse-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.pulse-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary, #8BA3B9);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pulse-status {
  font-size: 0.7rem;
  color: #10B981;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pulse-status .pulse-dot {
  width: 6px;
  height: 6px;
  margin-bottom: 0;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .roi-layout {
    grid-template-columns: 1fr;
  }
  .pulse-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .roi-calc-card, .roi-results-inner {
    padding: 1.5rem;
  }
  .roi-result-grid {
    grid-template-columns: 1fr;
  }
  .roi-total-card {
    grid-template-columns: 1fr;
  }
  .pulse-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .roi-section {
    padding: 3rem 0;
  }
  .pulse-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .pulse-card {
    padding: 1rem 0.75rem;
  }
  .pulse-value {
    font-size: 1.35rem;
  }
}

/* ── RTL Support ───────────────────────────────────────────────────────── */

[dir="rtl"] .roi-input-label span:first-child {
  text-align: right;
}

[dir="rtl"] .roi-input-value {
  text-align: left;
}

[dir="rtl"] .roi-range-labels {
  flex-direction: row-reverse;
}

[dir="rtl"] .roi-results-title {
  flex-direction: row-reverse;
}

[dir="rtl"] .pulse-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .pulse-status {
  flex-direction: row-reverse;
}