/* Basic reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050608;
  color: #f5f5f5;
}

/* Layout wrapper */
.docs-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.docs-sidebar {
  width: 260px;
  padding: 24px 20px 32px;
  background: #050608;
  border-right: 1px solid #111827;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  overflow-y: auto;
}

.docs-logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.docs-subtitle {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 16px;
}

/* Sidebar nav */
.docs-nav-section-title {
  margin-top: 16px;
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9ca3af;
}

.docs-nav {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
}

.docs-nav li {
  margin: 2px 0;
}

.docs-nav a {
  display: block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 14px;
  color: #e5e7eb;
  text-decoration: none;
}

.docs-nav a:hover {
  background: #111827;
}

.docs-nav a.active {
  background: rgba(15,155,142,0.18); /* translucent RTNC green */
  border-left: 3px solid #0f9b8e;   /* solid RTNC green */
  color: #ffffff;
}

/* Sidebar footer text */
.docs-meta {
  font-size: 11px;
  color: #6b7280;
  margin-top: 16px;
}

/* Main content area */
.docs-main {
  flex: 1;
  padding: 32px 40px 64px;
  max-width: 960px;
  margin: 0 auto;
}

/* Header */
.docs-main-header h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.docs-main-header p {
  margin: 0 0 24px;
  color: #9ca3af;
}

/* Sections */
section {
  margin-bottom: 32px;
}

section h2 {
  font-size: 20px;
  margin: 0 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid #111827;
}

section h3 {
  font-size: 16px;
  margin: 16px 0 4px;
}

/* Lists and text */
p {
  line-height: 1.6;
  margin: 0 0 8px;
}

ul, ol {
  padding-left: 1.3rem;
  margin: 4px 0 12px;
}

/* Code blocks */
pre {
  background: #111827;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 13px;
  overflow-x: auto;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
/* ===== RTNC HERO LAYOUT ===== */
.hero-section {
  padding: 3rem 0;
}

.hero-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* left column */
.hero-copy {
  max-width: 700px;
}

/* right column */
.hero-coin-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* coin circle */
.hero-coin-circle {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffffff, #b8b8b8 30%, #444 70%, #111 100%);
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-coin-circle-label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #a7f3d0; /* emerald-ish */
}

/* metadata card under coin */
.hero-coin-meta {
  width: 100%;
  max-width: 320px;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.6);
  padding: 0.75rem 1rem;
}

.hero-coin-meta-label {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #9ca3af; /* slate-400 */
  margin-bottom: 0.25rem;
}

.hero-coin-meta-address {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.7rem;
  color: #6ee7b7; /* emerald-300 */
  word-break: break-all;
}

.hero-coin-meta-caption {
  margin-top: 0.4rem;
  font-size: 0.7rem;
  color: #9ca3af;
  line-height: 1.3;
}

/* desktop layout */
@media (min-width: 900px) {
  .hero-layout {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .hero-copy {
    flex: 1 1 60%;
  }

  .hero-coin-wrap {
    flex: 0 0 260px;
    align-items: flex-end;
  }
}