/* Grow a Garden Calculator - Components CSS */

/* Header and Navigation */
.header {
  background: white;
  border-bottom: 1px solid var(--silver-line);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--charcoal);
  text-decoration: none;
  transition: color 0.3s ease;
}

.logo-image {
  width: 40px;
  height: 40px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.logo:hover .logo-image {
  transform: scale(1.05);
}

.logo-text {
  display: none;
}

@media (min-width: 768px) {
  .logo-text {
    display: block;
  }
}

.logo:hover {
  color: var(--gentle-sky);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--soft-slate);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--gentle-sky);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gentle-sky);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--gentle-sky) 0%, var(--soft-lavender) 50%, var(--mint-frost) 100%);
  padding: var(--spacing-4xl) 0;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.8" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="30" r="0.6" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.4;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
}

.hero .container {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 4px 8px rgba(0,0,0,0.15);
  line-height: 1.2;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.95;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  animation: fadeInUp 1s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons .btn {
  transform: translateY(0);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.hero-buttons .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* Calculator Components */
.calculator-container {
  max-width: 800px;
  margin: 0 auto;
}

.calculator-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  background: white;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border-bottom: 2px solid var(--silver-line);
}

.calculator-tab {
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--soft-slate);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.calculator-tab::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--gentle-sky), var(--quiet-azure));
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: -1;
}

.calculator-tab.active {
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.calculator-tab.active::before {
  opacity: 1;
}

.calculator-tab:hover {
  color: var(--gentle-sky);
  transform: translateY(-1px);
}

.calculator-form {
  background: white;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--silver-line);
  border-top: none;
  position: relative;
}

.calculator-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gentle-sky), var(--soft-lavender), var(--mint-frost));
}

.calculator-result {
  background: linear-gradient(135deg, var(--mint-frost), rgba(169, 235, 209, 0.3));
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-lg);
  border-left: 4px solid var(--gentle-sky);
  box-shadow: var(--shadow-sm);
  animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--charcoal);
  margin-bottom: var(--spacing-sm);
}

.result-label {
  color: var(--soft-slate);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Input Groups */
.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.input-group {
  display: flex;
  flex-direction: column;
}

.input-label {
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--charcoal);
}

.input-field {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--silver-line);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: white;
  position: relative;
}

.input-field:focus {
  outline: none;
  border-color: var(--gentle-sky);
  box-shadow: 0 0 0 4px rgba(142, 215, 248, 0.15);
  transform: translateY(-1px);
}

.input-field:hover {
  border-color: var(--gentle-sky);
}

.select-field {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--silver-line);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.select-field:focus {
  outline: none;
  border-color: var(--gentle-sky);
  box-shadow: 0 0 0 4px rgba(142, 215, 248, 0.15);
  transform: translateY(-1px);
}

.select-field:hover {
  border-color: var(--gentle-sky);
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  background: var(--lunar-grey);
  border-radius: 15px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border: none;
  padding: 0;
}

.theme-toggle.active {
  background: var(--gentle-sky);
}

.theme-toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 26px;
  height: 26px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.theme-toggle.active::before {
  transform: translateX(30px);
}

.theme-toggle::after {
  content: '☀️';
  position: absolute;
  top: 50%;
  left: 8px;
  transform: translateY(-50%);
  font-size: 12px;
  transition: opacity var(--transition-fast);
}

.theme-toggle.active::after {
  content: '🌙';
  left: auto;
  right: 8px;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
}

/* 2x2 Grid Layout for Blog */
.cards-grid.blog-grid {
  grid-template-columns: repeat(2, 1fr);
  max-width: 1200px;
  margin: var(--spacing-2xl) auto;
}

.feature-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--silver-line);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gentle-sky), var(--soft-lavender), var(--mint-frost));
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--gentle-sky), var(--quiet-azure));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: 2rem;
  box-shadow: 0 4px 12px rgba(142, 215, 248, 0.3);
  transition: all var(--transition-fast);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(142, 215, 248, 0.4);
}

.feature-list {
  list-style: none;
  margin: var(--spacing-lg) 0;
  text-align: left;
}

.feature-list li {
  padding: var(--spacing-xs) 0;
  color: var(--soft-slate);
  position: relative;
  padding-left: var(--spacing-lg);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gentle-sky);
  font-weight: bold;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--gentle-sky);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  color: var(--soft-slate);
  font-size: 1.125rem;
  font-weight: 500;
}

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.step-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gentle-sky);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-lg);
}

/* CTA Buttons */
.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

/* Social Links */
.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-links a {
  font-size: 1.5rem;
  color: var(--soft-slate);
  transition: color var(--transition-fast);
}

.social-links a:hover {
  color: var(--gentle-sky);
}

/* Checkbox Styles */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  color: var(--charcoal);
  font-size: 0.875rem;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.checkbox-label:hover {
  background: rgba(142, 215, 248, 0.1);
  transform: translateX(2px);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--gentle-sky);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked {
  transform: scale(1.1);
}

/* Result Details */
.result-details {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--silver-line);
}

.result-details p {
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--soft-slate);
}

/* Text Colors for Results */
.text-success {
  color: #059669 !important;
}

.text-warning {
  color: #D97706 !important;
}

.text-danger {
  color: #DC2626 !important;
}

/* About Page Styles */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content h2 {
  margin-bottom: var(--spacing-lg);
}

.about-content p {
  margin-bottom: var(--spacing-lg);
  font-size: 1.125rem;
  line-height: 1.7;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.value-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.value-item h3 {
  color: var(--gentle-sky);
  margin-bottom: var(--spacing-md);
}

/* Contact Content */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin: var(--spacing-xl) 0;
}

.contact-info h3 {
  margin-bottom: var(--spacing-lg);
}

.contact-methods {
  margin-top: var(--spacing-xl);
}

.contact-method {
  margin-bottom: var(--spacing-lg);
}

.contact-method h4 {
  color: var(--gentle-sky);
  margin-bottom: var(--spacing-sm);
}

.contact-form {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* Legal Content */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-section {
  margin-bottom: var(--spacing-2xl);
}

.legal-section h3 {
  color: var(--gentle-sky);
  margin-bottom: var(--spacing-lg);
}

.legal-section p {
  margin-bottom: var(--spacing-lg);
}

/* Textarea Styles */
textarea.input-field {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* Loading States */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--silver-line);
  border-radius: 50%;
  border-top-color: var(--gentle-sky);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Enhanced Loading Animation */
.loading-pulse {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gentle-sky);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
  }
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--lunar-grey) 25%, var(--silver-line) 50%, var(--lunar-grey) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Error States */
.error-message {
  background: var(--warm-peach);
  color: #B91C1C;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0;
  border-left: 4px solid #DC2626;
}

.success-message {
  background: var(--mint-frost);
  color: #065F46;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0;
  border-left: 4px solid #059669;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--charcoal) 0%, #1a1a1a 100%);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gentle-sky), transparent);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.footer-section a:hover {
  color: var(--gentle-sky);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Scroll Animations */
.scroll-fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.scroll-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-slide-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease-out;
}

.scroll-slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-slide-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease-out;
}

.scroll-slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Tooltips */
.tooltip {
  position: relative;
  cursor: help;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--charcoal);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.tooltip::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--charcoal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.tooltip:hover::after,
.tooltip:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-5px);
}

/* Enhanced Focus States */
.input-field:focus,
.select-field:focus,
.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(142, 215, 248, 0.3);
}

/* Value Calculator Specific Styles */
.data-source-info {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.data-badge,
.update-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

/* 2x2 Grid Layout for FAQ */
.faq-grid.faq-2x2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 1200px;
  margin: var(--spacing-xl) auto;
}

/* 2x2 Grid Layout for Guides */
.cards-grid.guides-grid {
  grid-template-columns: repeat(2, 1fr) !important;
  max-width: 1200px;
  margin: var(--spacing-2xl) auto;
}

.faq-item {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--silver-line);
}

.faq-item h3 {
  color: var(--gentle-sky);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.faq-item p {
  color: var(--soft-slate);
  line-height: 1.6;
}

.result-summary {
  background: linear-gradient(135deg, var(--mint-frost), rgba(169, 235, 209, 0.3));
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.result-main h4 {
  color: var(--charcoal);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.result-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gentle-sky);
  margin-bottom: var(--spacing-md);
}

.result-details {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.detail-item {
  background: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--charcoal);
}

.result-breakdown {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--silver-line);
}

.result-breakdown h4 {
  color: var(--charcoal);
  margin-bottom: var(--spacing-lg);
  font-size: 1.25rem;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--silver-line);
}

.breakdown-item:last-child {
  border-bottom: none;
}

.breakdown-item.total {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--gentle-sky);
  border-top: 2px solid var(--gentle-sky);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
}

.breakdown-label {
  color: var(--charcoal);
}

.breakdown-value {
  color: var(--soft-slate);
  font-weight: 500;
}

.result-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.multiplier-preview {
  background: linear-gradient(135deg, var(--gentle-sky), var(--quiet-azure));
  color: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.preview-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-label {
  font-weight: 500;
}

.preview-value {
  font-weight: 700;
  font-size: 1.125rem;
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  color: white;
  font-weight: 500;
  z-index: 1000;
  animation: slideInRight 0.3s ease-out;
  box-shadow: var(--shadow-lg);
}

.notification.success {
  background: var(--mint-frost);
  color: var(--charcoal);
}

.notification.error {
  background: var(--warm-peach);
  color: var(--charcoal);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Enhanced mutation checkbox styles */
.checkbox-label.selected {
  background: rgba(142, 215, 248, 0.15);
  border: 2px solid var(--gentle-sky);
  transform: scale(1.02);
}

.checkbox-label.selected input[type="checkbox"] {
  transform: scale(1.2);
}

/* Guide Page Specific Styles */
.quick-nav {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.nav-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.btn-small {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  border-radius: var(--radius-md);
}

.mutation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.mutation-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--silver-line);
  transition: all 0.3s ease;
}

.mutation-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.mutation-card.epic {
  border: 2px solid var(--soft-lavender);
  background: linear-gradient(135deg, white, rgba(201, 183, 242, 0.1));
}

.mutation-card.legendary {
  border: 2px solid var(--gentle-sky);
  background: linear-gradient(135deg, white, rgba(142, 215, 248, 0.1));
}

.mutation-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.mutation-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lunar-grey);
  border-radius: var(--radius-md);
}

.mutation-info h3 {
  color: var(--charcoal);
  margin: 0 0 var(--spacing-xs) 0;
  font-size: 1.25rem;
}

.multiplier {
  color: var(--gentle-sky);
  font-weight: 600;
  font-size: 0.875rem;
}

.mutation-card p {
  color: var(--soft-slate);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.mutation-stats {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.stat {
  background: var(--lunar-grey);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--charcoal);
  font-weight: 500;
}

.strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.strategy-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--silver-line);
}

.strategy-card h3 {
  color: var(--gentle-sky);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.strategy-card p {
  color: var(--soft-slate);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.strategy-card ul {
  list-style: none;
  padding: 0;
}

.strategy-card li {
  color: var(--charcoal);
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: var(--spacing-md);
}

.strategy-card li::before {
  content: "✓";
  color: var(--mint-frost);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.cta-content {
  text-align: center;
  color: var(--charcoal);
}

.cta-content h2 {
  margin-bottom: var(--spacing-md);
  font-size: 2rem;
}

.cta-content p {
  margin-bottom: var(--spacing-xl);
  font-size: 1.125rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Smooth Transitions for All Interactive Elements */
.btn,
.input-field,
.select-field,
.calculator-tab,
.nav-link,
.feature-card,
.checkbox-label {
  transition: all var(--transition-fast);
}

/* Hover Effects for Cards */
.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

/* Enhanced Button States */
.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: 0 2px 8px rgba(142, 215, 248, 0.3);
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--charcoal);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--silver-line);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideDown 0.3s ease-out;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu li {
    margin: var(--spacing-sm) 0;
  }
  
  .input-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .hero {
    min-height: 60vh;
    padding: var(--spacing-2xl) 0;
  }
  
  .hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
  }
  
  .hero p {
    font-size: clamp(1rem, 2vw, 1.2rem);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
  }
  
  .calculator-tabs {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .calculator-tab {
    flex: 1;
    min-width: 100px;
    font-size: 0.875rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .calculator-form {
    padding: var(--spacing-lg);
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .cards-grid.blog-grid {
    grid-template-columns: 1fr;
    max-width: none;
  }
  
  .faq-grid.faq-2x2 {
    grid-template-columns: 1fr;
    max-width: none;
  }
  
  .cards-grid.guides-grid {
    grid-template-columns: 1fr !important;
    max-width: none;
  }
  
  .feature-card {
    padding: var(--spacing-lg);
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
  }
}