/* ============================================
   Shadow Alchemy - Terms of Service
   Static CSS for WordPress Conversion
   ============================================ */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors - HSL Values */
  --color-background: hsl(220, 26%, 14%);
  --color-foreground: hsl(45, 30%, 96%);
  --color-primary: hsl(220, 26%, 14%);
  --color-primary-foreground: hsl(45, 30%, 96%);
  --color-secondary: hsl(220, 20%, 20%);
  --color-accent: hsl(38, 60%, 55%);
  --color-accent-light: hsl(38, 60%, 70%);
  --color-muted: hsl(220, 15%, 25%);
  --color-muted-foreground: hsl(220, 10%, 60%);
  --color-border: hsl(220, 15%, 25%);
  --color-cream: hsl(45, 30%, 96%);
  --color-charcoal: hsl(220, 10%, 25%);
  
  /* Typography */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-foreground);
  background-color: var(--color-background);
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.3;
}

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

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

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

strong {
  font-weight: 600;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(26, 32, 44, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-foreground);
  letter-spacing: 0.02em;
}

.logo:hover {
  color: var(--color-accent);
}

.header-nav {
  display: flex;
  gap: var(--spacing-lg);
}

.header-nav a {
  color: var(--color-muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-background) 100%);
}

.hero-container {
  max-width: 800px;
  margin: 0 auto;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  background-color: hsla(38, 60%, 55%, 0.15);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 9999px;
  margin-bottom: var(--spacing-lg);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 500;
  color: var(--color-foreground);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-muted-foreground);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.hero-date {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

/* ============================================
   Main Content Layout
   ============================================ */
.main-content {
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.content-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-3xl);
}

@media (max-width: 1024px) {
  .content-container {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Sidebar / Table of Contents
   ============================================ */
.sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

@media (max-width: 1024px) {
  .sidebar {
    display: none; /* Hide on mobile - would need JS for mobile toggle */
  }
}

.toc {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.toc-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted-foreground);
  margin-bottom: var(--spacing-md);
  font-family: var(--font-body);
}

.toc-list {
  list-style: none;
}

.toc-list li {
  margin-bottom: var(--spacing-sm);
}

.toc-link {
  display: block;
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.toc-link:hover {
  color: var(--color-foreground);
  background-color: hsla(38, 60%, 55%, 0.1);
  border-left-color: var(--color-accent);
}

.toc-link.active {
  color: var(--color-accent);
  background-color: hsla(38, 60%, 55%, 0.15);
  border-left-color: var(--color-accent);
}

/* ============================================
   Terms Content
   ============================================ */
.terms-content {
  max-width: 800px;
}

.terms-section {
  margin-bottom: var(--spacing-3xl);
  scroll-margin-top: 100px;
}

.section-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.section-number {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  background-color: hsla(38, 60%, 55%, 0.15);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  min-width: 32px;
  text-align: center;
}

.section-title {
  font-size: 1.5rem;
  color: var(--color-foreground);
}

.section-body {
  color: var(--color-cream);
  opacity: 0.9;
}

.section-body p {
  margin-bottom: var(--spacing-md);
}

/* Lists */
.terms-list {
  list-style: none;
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

.terms-list li {
  position: relative;
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
}

.terms-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* Callouts */
.callout {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid;
}

.callout p {
  margin-bottom: 0;
}

.callout-info {
  background-color: hsla(38, 60%, 55%, 0.1);
  border-left-color: var(--color-accent);
}

.callout-warning {
  background-color: hsla(38, 80%, 50%, 0.15);
  border-left-color: hsl(38, 80%, 50%);
}

.callout-muted {
  background-color: var(--color-secondary);
  border-left-color: var(--color-muted-foreground);
}

/* Contact Card */
.contact-card {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin: var(--spacing-lg) 0;
  text-align: center;
}

.contact-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted-foreground);
  margin-bottom: var(--spacing-sm);
}

.contact-email {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.contact-email:hover {
  color: var(--color-accent-light);
}

.contact-note {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin-bottom: 0;
}

/* Acknowledgment */
.acknowledgment {
  background: linear-gradient(135deg, hsla(38, 60%, 55%, 0.15) 0%, hsla(38, 60%, 55%, 0.05) 100%);
  border: 1px solid hsla(38, 60%, 55%, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  margin-top: var(--spacing-3xl);
}

.acknowledgment p {
  font-size: 1rem;
  color: var(--color-foreground);
  margin-bottom: 0;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-foreground);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
}

.footer-links a:hover {
  color: var(--color-foreground);
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

.footer-copyright p {
  margin-bottom: 0;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background-color: var(--color-accent);
  color: var(--color-background);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 50;
}

.back-to-top:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .main-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .section-header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .section-title {
    font-size: 1.25rem;
  }
  
  .header-nav {
    display: none; /* Would need mobile menu JS */
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .header,
  .sidebar,
  .back-to-top,
  .footer {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .hero {
    background: none;
    border: none;
  }
  
  .hero-title {
    color: black;
  }
  
  .terms-section {
    page-break-inside: avoid;
  }
  
  .callout {
    border: 1px solid #ccc;
    background: #f9f9f9;
  }
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-border: hsl(220, 15%, 40%);
    --color-muted-foreground: hsl(220, 10%, 70%);
  }
}