/* Base Styles for AICompliance */

/* Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: linear-gradient(135deg, var(--color-dark-gradient-start) 0%, var(--color-dark-gradient-end) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-h1);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-h2);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-h4);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-purple-accent);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Sections */
.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-purple-accent) 0%, var(--color-blue-accent) 100%);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(123, 63, 242, 0.5);
}

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

.btn-secondary:hover {
  background: var(--color-text-primary);
  color: var(--color-bg-primary);
}

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

.btn-outline:hover {
  background: var(--color-purple-accent);
  color: white;
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: 18px;
}

.btn-full {
  width: 100%;
}

/* Form Elements */
input, select, textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card-bg);
  color: var(--color-text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  transition: border-color var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-purple-accent);
  box-shadow: 0 0 0 3px rgba(123, 63, 242, 0.1);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-muted);
}

label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-purple-accent);
  outline-offset: 2px;
}

/* Smooth scrolling for anchor links */
html {
  scroll-behavior: smooth;
}

/* Selection styles */
::selection {
  background: var(--color-purple-accent);
  color: white;
}