:root {
  /* Color Palette based on user request: Clean Corporate, Modern Minimal */
  --primary: #1a1a1a;
  --secondary: #555555;
  --bg-main: #ffffff;
  --bg-footer: #f5f5f5;
  --bg-section-1: #ffffff;
  --bg-section-2: #f9f9f9;
  --button-bg: #000000;
  --button-text: #ffffff;
  
  /* Spacing & Layout */
  --spacing-unit: 1rem;
  --container-max-width: 1200px;
  --radius-card: 16px;
  --radius-btn: 16px;
  --radius-input: 12px;
  
  /* Shadows (Soft & Diffused as requested in style guide, adapted for clean corporate) */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Typography */
  --font-sans: 'Inter', sans-serif; /* Clean, geometric sans-serif for corporate feel */
  --font-serif: 'Merriweather', serif; /* Contrast for headings */
}

/* Base Styles */
body {
  background-color: var(--bg-main);
  color: var(--primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--secondary); /* Set specific color on p for corporate readability, overrides Tailwind reset */
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--secondary);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

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

/* Header */
.header {
  background-color: var(--bg-main);
  border-bottom: 1px solid #e5e5e5;
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header .logo {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

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

.header-nav a {
  font-weight: 500;
  color: var(--secondary);
}

.header-nav a:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-family: var(--font-sans);
}

.btn-primary {
  background-color: var(--button-bg);
  color: var(--button-text);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--bg-main);
}

/* Cards */
.card {
  background: var(--bg-main);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,0,0,0.05);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--secondary);
  font-size: 1rem;
}

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

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-input);
  border: 1px solid #e5e5e5;
  background: #ffffff;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

/* Hero Section Specifics */
.hero {
  padding: 6rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  max-width: 800px;
  margin: 0 auto 1.5rem auto;
}

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

/* Footer */
.footer {
  background-color: var(--bg-footer);
  padding: 3rem 0;
  color: #666; /* Footer text is usually muted */
  font-size: 0.9rem;
}

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

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer a {
  color: #666;
}
.footer a:hover {
  color: var(--primary);
}

/* Feature Grid (used in sections) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* Stat Counter or Numbers */
.stat-item {
  text-align: center;
  padding: 1.5rem;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--secondary);
  font-weight: 500;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  .hero h1 { font-size: 2.25rem; }
  
  .header-nav { display: none; } /* Simple hide for this demo, mobile menu handled by Tailwind usually */
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

/* Scroll Reveal / Subtle Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
}


/* 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;
    }
}