/* EVilla Calculators CSS - Modern, Clean & Fast */
:root {
  --calc-primary: #0f2544;
  --calc-primary-hover: #ea580c;
  --calc-accent: #f26722;
  --calc-bg: #f8fafc;
  --calc-surface: #ffffff;
  --calc-border: #e2e8f0;
  --calc-text: #1e293b;
  --calc-text-muted: #64748b;
  --calc-radius: 14px;
  --calc-shadow: 0 4px 12px rgb(6 17 34 / 0.06);
  --calc-shadow-lg: 0 14px 32px rgb(6 17 34 / 0.1);
  --calc-success: #10b981;
}

.evilla-calculator-wrapper {
  max-width: 1000px;
  margin: 3rem auto;
  background: var(--calc-bg);
  border-radius: var(--calc-radius);
  padding: 2rem;
  box-shadow: var(--calc-shadow-lg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--calc-text);
}

.evilla-calc-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.evilla-calc-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--calc-primary);
  margin-bottom: 0.5rem;
}

.evilla-calc-header p {
  color: var(--calc-text-muted);
  font-size: 1.1rem;
}

.evilla-calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 768px) {
  .evilla-calc-grid {
    grid-template-columns: 1fr;
  }
}

.evilla-calc-form {
  background: var(--calc-surface);
  padding: 1.5rem;
  border-radius: var(--calc-radius);
  border: 1px solid var(--calc-border);
  box-shadow: var(--calc-shadow);
}

.evilla-calc-group {
  margin-bottom: 1.5rem;
}

.evilla-calc-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--calc-text);
}

.evilla-calc-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--calc-border);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.2s ease;
  background-color: #fff;
  color: var(--calc-text);
}

.evilla-calc-control:focus {
  outline: none;
  border-color: var(--calc-primary);
  box-shadow: 0 0 0 3px rgba(30, 115, 190, 0.2);
}

.evilla-calc-btn {
  display: block;
  width: 100%;
  padding: 0.85rem 1.25rem;
  background: linear-gradient(135deg, #f26722 0%, #ea580c 100%);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 8px 18px rgba(234, 88, 12, 0.24);
}

.evilla-calc-btn:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.evilla-calc-btn:active {
  transform: translateY(1px);
}

.evilla-calc-results {
  background: linear-gradient(145deg, #061122 0%, #0f2544 100%);
  color: #ffffff;
  padding: 1.75rem;
  border-radius: var(--calc-radius);
  border-top: 4px solid #f26722;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  box-shadow: var(--calc-shadow-lg);
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
  display: none; /* fallback */
}

.evilla-calc-results.show {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  display: flex;
}

.evilla-calc-results h3 {
  color: #ffffff;
  margin-top: 0;
  margin-bottom: 1.25rem;
  font-size: 1.35rem;
  font-weight: 800;
  border-bottom: 1px solid rgba(255,255,255,0.14);
  padding-bottom: 0.75rem;
}

.evilla-result-item {
  margin-bottom: 1rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.95rem 1.1rem;
  border-radius: 10px;
}

.evilla-result-label {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.82);
  margin-bottom: 0.25rem;
}

.evilla-result-value {
  display: block;
  font-size: 1.55rem;
  font-weight: 800;
  color: #ffffff;
}

#res-ts825-zones,
#res-ts825-zones * {
  color: #0f172a !important;
}

/* FAQ Section */
.evilla-calc-faq {
  margin-top: 4rem;
}

.evilla-calc-faq h3 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2rem;
  color: var(--calc-text);
}

.evilla-faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--calc-border);
  border-radius: 8px;
  overflow: hidden;
}

.evilla-faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem;
  background: var(--calc-surface);
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--calc-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s;
}

.evilla-faq-question:hover {
  background: var(--calc-bg);
}

.evilla-faq-question::after {
  content: '+';
  font-size: 1.5rem;
  transition: transform 0.3s;
}

.evilla-faq-question.active::after {
  transform: rotate(45deg);
}

.evilla-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background: white;
  padding: 0 1.25rem;
}

.evilla-faq-answer p {
  padding: 1.25rem 0;
  margin: 0;
  color: var(--calc-text-muted);
  line-height: 1.6;
}

/* Hub Page (Main Grid) Styles */
.evilla-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

@media (max-width: 992px) {
  .evilla-hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .evilla-hub-grid {
    grid-template-columns: 1fr;
  }
}

.evilla-hub-card {
  background: var(--calc-surface);
  border-radius: var(--calc-radius);
  border: 1px solid var(--calc-border);
  padding: 2rem 1.5rem;
  text-align: center;
  text-decoration: none;
  color: var(--calc-text);
  box-shadow: var(--calc-shadow);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.evilla-hub-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--calc-shadow-lg);
  border-color: var(--calc-primary);
}

.evilla-hub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--calc-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}

.evilla-hub-card:hover::before {
  transform: scaleX(1);
}

.evilla-hub-icon,
.evilla-calc-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 16px;
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid rgba(15, 37, 68, 0.1);
  box-shadow: 0 6px 18px rgba(6, 17, 34, 0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.evilla-hub-card:hover .evilla-hub-icon {
  transform: translateY(-2px) scale(1.05);
  border-color: rgba(242, 103, 34, 0.4);
  background: linear-gradient(145deg, #fff7ed 0%, #ffffff 100%);
  box-shadow: 0 10px 22px rgba(242, 103, 34, 0.14);
}

.evp-calc-svg {
  display: block;
  flex-shrink: 0;
}

.evilla-hub-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--calc-text);
}

.evilla-hub-card p {
  font-size: 0.9rem;
  color: var(--calc-text-muted);
  margin: 0;
}

/* Custom Hero Overrides for ALL Calculator Pages (Hub & Tools) */
.custom-hero-wrapper {
  background: linear-gradient(to right, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.7)), url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat !important;
  padding: 6rem 1rem 5rem !important;
  border-bottom: 4px solid var(--calc-primary) !important;
  box-shadow: inset 0 -10px 30px rgba(0,0,0,0.5) !important;
}

.custom-hero-wrapper h1 {
  font-size: 3rem !important;
  font-weight: 800 !important;
  text-shadow: 0 4px 15px rgba(0,0,0,0.7) !important;
  letter-spacing: -0.5px !important;
}

.custom-hero-wrapper p {
  font-size: 1.25rem !important;
  opacity: 1 !important;
  color: #e2e8f0 !important;
  text-shadow: 0 2px 5px rgba(0,0,0,0.8) !important;
  line-height: 1.6 !important;
  margin: 0 auto !important;
  max-width: 750px !important;
}

.evp-calc-wa-btn {
  width: 100%;
  background: #16a34a;
  color: #ffffff;
  border: none;
  border-radius: 9px;
  padding: 10px 12px;
  font-weight: 700;
  font-size: 13px;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.evp-calc-wa-btn:hover {
  background: #15803d !important;
  transform: translateY(-1px);
}

@media (max-width: 420px) {
  .evp-calc-wa-btn {
    font-size: 11.8px !important;
    padding: 10px 8px !important;
  }
}