/* Reset & Variables */
:root {
  --primary-color: hsl(217, 91%, 12%);      /* #091a3c - Dark Blue */
  --secondary-color: hsl(199, 89%, 48%);    /* #0ea5e9 - Cooling Cyan */
  --accent-color: hsl(24, 94%, 50%);         /* #f97316 - Accent Orange */
  --accent-hover: hsl(24, 94%, 45%);
  --light-base: hsl(210, 40%, 98%);         /* #f8fafc - Light background */
  --dark-text: hsl(215, 25%, 27%);          /* #334155 - Dark body text */
  --light-text: hsl(210, 40%, 96%);         /* Light text for dark panels */
  --border-color: hsl(214, 32%, 91%);       /* #e2e8f0 - Subtle borders */
  --success-color: hsl(142, 72%, 29%);      /* Green */
  --warning-color: hsl(38, 92%, 50%);       /* Yellow/Orange warning */
  
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;
  
  --shadow-sm: 0 2px 4px rgba(9, 26, 60, 0.04);
  --shadow-md: 0 8px 16px rgba(9, 26, 60, 0.06);
  --shadow-lg: 0 16px 32px rgba(9, 26, 60, 0.08);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--dark-text);
  background-color: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-color);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

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

@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }
  h3 { font-size: 1.75rem; }
}

p {
  margin-bottom: 1.25rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

section {
  padding: 4.5rem 0;
}

.section-bg-light {
  background-color: var(--light-base);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem auto;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  color: #64748b;
  font-size: 1.125rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
}

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

.btn-secondary:hover {
  background-color: hsl(217, 91%, 8%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(9, 26, 60, 0.2);
}

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

.btn-outline:hover {
  background-color: var(--primary-color);
  color: #ffffff;
}

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

.btn-cyan:hover {
  background-color: hsl(199, 89%, 40%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

/* Utilities */
.text-center { text-align: center; }
.text-cyan { color: var(--secondary-color); }
.text-orange { color: var(--accent-color); }
.font-bold { font-weight: 700; }

.badge-trust {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background-color: rgba(14, 165, 233, 0.1);
  color: hsl(199, 89%, 40%);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

/* Grid helper */
.grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}