:root {
  --color-primary: #374151;
  --color-secondary: #D1FAE5;
  --color-background: #F9FAFB;
  --color-footer-bg: #1F2937;
  --color-button: #059669;
  --color-section-1: #FFFFFF;
  --color-section-2: #F3F4F6;
  --color-section-3: #FFFFFF;
  --color-text-main: #111827;
  --color-text-muted: #4B5563;
  
  --font-family-main: 'Segoe UI', system-ui, sans-serif;
  
  --radius-subtle: 8px;
  --radius-card: 16px;
  --radius-btn: 24px;
  
  --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --spacing-unit: 1rem;
}

/* Base Reset & Typography */
html {
  box-sizing: border-box;
  font-size: 16px;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body {
  font-family: var(--font-family-main);
  background-color: var(--color-background);
  color: var(--color-text-main);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

/* Paragraphs and Links */
p {
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
}

a {
  color: var(--color-button);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

a:hover {
  color: #047857;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-section-2);
}

/* Cards */
.card {
  background-color: var(--color-section-1);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0,0,0,0.02);
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  font-size: 1rem;
  line-height: 1.5;
}

.btn-primary {
  background: linear-gradient(135deg, #059669 0%, #10B981 100%);
  color: white;
  box-shadow: 0 4px 6px -1px rgba(5, 150, 105, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #047857 0%, #059669 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 8px -1px rgba(5, 150, 105, 0.4);
}

.btn-primary:focus {
  outline: 2px solid #10B981;
  outline-offset: 2px;
}

.btn-secondary {
  background-color: var(--color-primary);
  color: white;
}

.btn-secondary:hover {
  background-color: #1F2937;
  transform: translateY(-2px);
}

/* Header */
.header {
  background-color: var(--color-section-1);
  box-shadow: var(--shadow-light);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.nav-brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

.nav-link {
  color: var(--color-text-main);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-link:hover {
  color: var(--color-button);
}

/* Hero Section */
.hero {
  background-color: var(--color-section-1);
  text-align: center;
  padding: 6rem 0;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border: 2px solid #E5E7EB;
  border-radius: var(--radius-subtle);
  font-family: inherit;
  font-size: 1rem;
  background-color: white;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-button);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

/* Footer */
.footer {
  background-color: var(--color-footer-bg);
  color: #D1D5DB;
  padding: 4rem 0 2rem;
}

.footer a {
  color: #9CA3AF;
}

.footer a:hover {
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-heading {
  color: white;
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-list li {
  margin-bottom: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: #9CA3AF;
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* Pricing Specifics */
.pricing-card {
  text-align: center;
  border: 2px solid transparent;
}

.pricing-card.featured {
  border-color: var(--color-button);
  position: relative;
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: "Popular";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-button);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 1rem 0;
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

/* Stats/Badges */
.badge {
  display: inline-block;
  background-color: var(--color-secondary);
  color: #065F46;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .hero h1 { font-size: 2.5rem; }
  
  .nav-list { display: none; } /* Mobile nav would need JS/Tailwind toggles, hiding for simplicity */
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: none;
  }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}