/* MONOLITH Official Portal Stylesheet */
/* Premium, Minimal, High-End Dark Luxury Aesthetic */
/* Zero emojis, refined modern typography, champagne gold & charcoal palette */

:root {
  --bg-primary: #090a0b;
  --bg-secondary: #111315;
  --bg-surface: #16181b;
  --bg-hover: #1c1f23;
  --border-subtle: #22262a;
  --border-prominent: #2f343a;
  
  --accent-gold: #c5a880;
  --accent-gold-bright: #d4af37;
  --accent-gold-soft: rgba(197, 168, 128, 0.12);
  --accent-gold-border: rgba(197, 168, 128, 0.28);
  
  --text-primary: #f1f3f5;
  --text-secondary: #9aa2ab;
  --text-muted: #5e6670;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  
  --max-width: 1120px;
  --content-width: 780px;
}

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

html {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--text-primary);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.03em;
  font-weight: 500;
}

h2 {
  font-size: 1.75rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.2rem;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* Header & Sticky Nav */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(9, 10, 11, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-badge {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: var(--accent-gold);
  border-radius: 2px;
}

nav.main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

nav.main-nav a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 400;
  transition: color 0.15s ease;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--accent-gold);
}

.cta-button {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--bg-primary);
  background-color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  border-radius: 3px;
  transition: all 0.2s ease;
}

.cta-button:hover {
  background-color: var(--accent-gold-bright);
  color: var(--bg-primary);
}

.cta-button.secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-prominent);
}

.cta-button.secondary:hover {
  background-color: var(--bg-surface);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Layout */
main {
  flex: 1;
}

.hero {
  padding: 5rem 1.5rem 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.hero-tagline {
  font-size: 0.82rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.hero h1 {
  font-size: 3.25rem;
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-desc {
  font-size: 1.125rem;
  max-width: 640px;
  margin: 0 auto 2.5rem;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Content Container for Legal & Informational Pages */
.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3.5rem;
}

.page-container.single-column {
  display: block;
  max-width: var(--content-width);
}

/* Sidebar & Table of Contents */
aside.toc-sidebar {
  position: sticky;
  top: 5.5rem;
  height: fit-content;
}

.toc-header {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 600;
}

.toc-list {
  list-style: none;
  border-left: 1px solid var(--border-subtle);
}

.toc-list li a {
  display: block;
  padding: 0.4rem 0 0.4rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: all 0.15s ease;
}

.toc-list li a:hover {
  color: var(--text-primary);
  border-left-color: var(--accent-gold);
}

/* Document Article */
.document-content {
  min-width: 0;
}

.document-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.5rem;
}

.meta-date {
  font-size: 0.82rem;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
  font-mono: var(--font-mono);
}

.legal-notice {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-gold);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: 2px;
}

/* Numbered Section Styling */
.rule-section, .legal-section {
  margin-bottom: 2.75rem;
}

.rule-number {
  font-size: 0.82rem;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.rule-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.rule-item h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.rule-item p:last-child {
  margin-bottom: 0;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  border-radius: 4px;
  transition: border-color 0.2s ease;
}

.feature-card:hover {
  border-color: var(--border-prominent);
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

/* Tables */
table.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  font-size: 0.9rem;
}

table.data-table th,
table.data-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

table.data-table th {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 500;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
  text-transform: uppercase;
}

table.data-table td {
  color: var(--text-secondary);
}

/* FAQ Accordion */
.faq-item {
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
  border-radius: 4px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-question {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Footer */
footer.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 1.5rem 2.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.55rem;
}

.footer-col a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-col a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 860px) {
  .page-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  aside.toc-sidebar {
    display: none;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
}

@media (max-width: 600px) {
  .header-container {
    flex-direction: column;
    gap: 1rem;
  }
  
  nav.main-nav ul {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}