:root {
  --primary: #C8FF3D;
  --primary-glow: rgba(200, 255, 61, 0.4);
  --primary-deep: #3B5600;
  --accent: #3B5600;
  --slate-950: #020617;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-400: #94a3b8;
  --glass: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.08);
  --surface-light: #ffffff;
  --bg-light: #f8fafc;
  --text-dark: #0f172a;
  --text-muted: #64748b;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--slate-950);
  color: #f8fafc;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--slate-950); }
::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

.glass-nav {
  background: rgba(2, 6, 23, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.text-gradient {
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-dark {
  background: linear-gradient(135deg, var(--text-dark) 0%, #475569 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Utility Classes for alternating backgrounds */
.bg-bg-light { 
  background-color: var(--bg-light) !important; 
  color: var(--text-dark) !important; 
}
.bg-surface-light { 
  background-color: var(--surface-light) !important; 
  color: var(--text-dark) !important; 
}

/* Force dark text for elements in light sections */
.bg-bg-light h1, .bg-bg-light h2, .bg-bg-light h3, .bg-bg-light h4, .bg-bg-light p, .bg-bg-light span:not(.text-primary), .bg-bg-light li,
.bg-surface-light h1, .bg-surface-light h2, .bg-surface-light h3, .bg-surface-light h4, .bg-surface-light p, .bg-surface-light span:not(.text-primary), .bg-surface-light li {
  color: var(--text-dark) !important;
}

.text-text-dark { color: var(--text-dark) !important; }
.text-text-muted { color: #475569 !important; }
.text-white { color: white !important; }

.primary-gradient {
  background: linear-gradient(135deg, #C8FF3D 0%, #A6E619 100%);
}

.hero-glow {
  background: radial-gradient(circle at center, var(--primary-glow) 0%, transparent 70%);
}

.hero-portrait {
  filter: saturate(0.88) brightness(0.97);
}

.premium-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.premium-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary-glow);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px -20px var(--primary-glow);
}

/* Light version of the card and its content */
.premium-card-light {
  background: white !important;
  border: 1px solid #e2e8f0 !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.4s ease;
}

.premium-card-light h1, .premium-card-light h2, .premium-card-light h3, .premium-card-light h4, .premium-card-light p, .premium-card-light span {
  color: var(--text-dark) !important;
}

.premium-card-light:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-deep) !important;
}

.btn-premium {
  padding: 1rem 2.5rem;
  border-radius: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, #C8FF3D 0%, #A6E619 100%);
  color: #0B0C0F;
  box-shadow: 0 10px 30px -10px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px -10px var(--primary-glow);
  filter: brightness(1.1);
}

.btn-outline {
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: white;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
}

.btn-outline-dark {
  border: 1px solid #e2e8f0;
  background: transparent;
  color: var(--text-dark);
}

.btn-outline-dark:hover {
  background: #f8fafc;
  border-color: var(--primary-deep);
}

.feature-img-wrapper {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 40px 100px -30px rgba(0,0,0,0.5);
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}

.comparison-table th, .comparison-table td {
  padding: 1.5rem;
  text-align: left;
}

.comparison-table tr {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.comparison-table tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

/* Accordion for FAQ */
.accordion-item {
  border-bottom: 1px solid #e2e8f0;
}

.accordion-header {
  width: 100%;
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  color: var(--text-dark);
  text-align: left;
  transition: color 0.3s;
}

.accordion-header:hover {
  color: var(--primary-deep);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  color: var(--text-muted);
  line-height: 1.6;
}

.accordion-item.active .accordion-content {
  max-height: 200px;
  padding-bottom: 1.5rem;
}

.accordion-item.active .icon-plus {
  transform: rotate(45deg);
}

/* Fix accordion to be visible on light bg */
.accordion-item { border-color: #e2e8f0 !important; }
.accordion-header { color: var(--text-dark) !important; }
.accordion-content p { color: #475569 !important; }
.active .accordion-header { color: var(--primary-deep) !important; }

.icon-plus {
  transition: transform 0.3s ease;
  color: var(--primary-deep) !important;
}

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

.animate-on-scroll {
  opacity: 0;
}

.animate-on-scroll.visible {
  animation: fadeIn 0.8s ease forwards;
}

/* Responsive Table */
@media (max-width: 768px) {
  .comparison-table th:nth-child(2), .comparison-table td:nth-child(2) {
    display: none;
  }
}

/* --- TABS SYSTEM --- */
.tab-btn {
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}
.tab-btn.active {
  color: var(--primary) !important;
}
.tab-btn.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* --- ROI CALCULATOR --- */
.roi-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 9999px;
  background: #e2e8f0;
  outline: none;
}
.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(200, 255, 61, 0.4);
  transition: transform 0.2s ease, background-color 0.2s ease;
}
.roi-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: #A6E619;
}

/* Glassmorphism card for calculator */
.calculator-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

/* --- MOCKUP UI STYLES --- */
.mockup-window {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
}