/* ==========================================================================
   OrgSets Community Hub & GitHub Pages SEO Site — Style System
   Design Paradigm: Authentic Bauhaus / New Brutalist + RadTome Cyber-Edge
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700;800&family=Space+Grotesk:wght@500;700;800;900&display=swap');

:root {
  /* Bauhaus Primaries */
  --color-blue: #0044FF;
  --color-yellow: #FFD600;
  --color-red: #FF2222;
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-cream: #F8F8F5;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-700: #374151;
  --color-gray-900: #111827;

  /* RadTome Cyber Accents */
  --radtome-orange: #FF5F1F;
  --radtome-cyan: #00E5FF;
  --radtome-neon-green: #00FF41;
  --radtome-dark: #0A0A0C;
  --radtome-card-bg: #121318;

  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Brutalist Construction */
  --border-thick: 4px solid var(--color-black);
  --border-massive: 8px solid var(--color-black);
  --border-subtle: 2px solid var(--color-black);
  --shadow-brutal: 6px 6px 0px var(--color-black);
  --shadow-brutal-lg: 10px 10px 0px var(--color-black);
  --shadow-brutal-sm: 4px 4px 0px var(--color-black);
  --shadow-blue: 6px 6px 0px var(--color-blue);
  --shadow-yellow: 6px 6px 0px var(--color-yellow);
  --shadow-radtome: 6px 6px 0px var(--radtome-orange);

  /* Transition timing */
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-cream);
  color: var(--color-black);
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Selection */
::selection {
  background-color: var(--color-yellow);
  color: var(--color-black);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

p {
  color: var(--color-gray-700);
  font-size: 1.05rem;
  font-weight: 500;
}

a {
  color: inherit;
  text-decoration: none;
}

.mono {
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   Top Ticker / Announcement Bar
   -------------------------------------------------------------------------- */
.top-ticker {
  background-color: var(--color-black);
  color: var(--color-yellow);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px solid var(--color-yellow);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  overflow: hidden;
}

.ticker-content {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ticker-badge {
  background-color: var(--radtome-orange);
  color: var(--color-white);
  padding: 2px 8px;
  font-weight: 800;
  font-size: 0.7rem;
}

.ticker-link {
  color: var(--color-white);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.ticker-link:hover {
  color: var(--color-yellow);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: var(--border-thick);
  padding: 14px 24px;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo-box {
  width: 44px;
  height: 44px;
  background: var(--color-black);
  border: var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 4px 4px 0px var(--color-yellow);
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 2px solid transparent;
  white-space: nowrap;
  display: inline-block;
  line-height: 1.2;
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  border: var(--border-subtle);
  background-color: var(--color-yellow);
  box-shadow: 3px 3px 0px var(--color-black);
}

.nav-links a.nav-radtome-link {
  color: var(--radtome-orange);
}

.nav-links a.nav-radtome-link:hover {
  background-color: var(--radtome-orange);
  color: var(--color-white);
  box-shadow: 3px 3px 0px var(--color-black);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-github svg {
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.mobile-menu-btn {
  display: none;
  background: var(--color-white);
  border: var(--border-thick);
  width: 44px;
  height: 44px;
  cursor: pointer;
  font-size: 1.5rem;
  font-weight: 900;
  box-shadow: 4px 4px 0px var(--color-black);
}

/* --------------------------------------------------------------------------
   Buttons & Badges
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 24px;
  font-size: 0.95rem;
  border: var(--border-thick);
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-bounce), box-shadow var(--transition-bounce), background-color var(--transition-fast);
  border-radius: 0;
}

.btn-primary {
  background-color: var(--color-black);
  color: var(--color-white);
  box-shadow: var(--shadow-brutal);
}

.btn-primary:hover {
  background-color: var(--color-blue);
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--color-black);
}

.btn-primary:active {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0px var(--color-black);
}

.btn-accent {
  background-color: var(--color-yellow);
  color: var(--color-black);
  box-shadow: var(--shadow-brutal);
}

.btn-accent:hover {
  background-color: var(--color-white);
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--color-black);
}

.btn-radtome {
  background-color: var(--radtome-orange);
  color: var(--color-white);
  box-shadow: var(--shadow-brutal);
}

.btn-radtome:hover {
  background-color: var(--color-black);
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--radtome-orange);
}

.btn-outline {
  background-color: var(--color-white);
  color: var(--color-black);
  box-shadow: var(--shadow-brutal);
}

.btn-outline:hover {
  background-color: var(--color-yellow);
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--color-black);
}

.btn-cta-primary {
  background-color: var(--color-blue);
  color: var(--color-white);
  box-shadow: 5px 5px 0px var(--color-yellow);
}

.btn-cta-primary:hover {
  background-color: var(--color-white);
  color: var(--color-black);
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0px var(--color-yellow);
}

.btn-cta-white {
  background-color: var(--color-white);
  color: var(--color-black);
  box-shadow: 5px 5px 0px var(--color-yellow);
}

.btn-cta-white:hover {
  background-color: var(--color-yellow);
  color: var(--color-black);
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0px var(--color-white);
}

.btn-sm {
  height: 38px;
  padding: 0 14px;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border: var(--border-subtle);
  box-shadow: var(--shadow-brutal-sm);
  vertical-align: middle;
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 2px solid var(--color-black);
  letter-spacing: 0.05em;
}

.badge-yellow { background-color: var(--color-yellow); color: var(--color-black); }
.badge-blue { background-color: var(--color-blue); color: var(--color-white); }
.badge-red { background-color: var(--color-red); color: var(--color-white); }
.badge-orange { background-color: var(--radtome-orange); color: var(--color-white); }
.badge-black { background-color: var(--color-black); color: var(--color-white); }

/* --------------------------------------------------------------------------
   Layout Containers & Wrappers
   -------------------------------------------------------------------------- */
.outer-frame {
  max-width: 1400px;
  margin: 32px auto;
  padding: 0 20px;
}

.hero-box {
  background: var(--color-white);
  border: var(--border-massive);
  box-shadow: var(--shadow-brutal-lg);
  position: relative;
  overflow: hidden;
}

.offset-accent {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  position: relative;
  z-index: 1;
}

.hero-content {
  padding: 64px 48px;
  border-right: var(--border-thick);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  line-height: 0.95;
  color: var(--color-black);
  margin-bottom: 20px;
  word-break: break-word;
}

.hero-title span.highlight-blue {
  color: var(--color-blue);
  display: inline-block;
  background: linear-gradient(180deg, transparent 65%, var(--color-yellow) 65%);
}

.hero-description {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-gray-700);
  margin-bottom: 36px;
  max-width: 640px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 2px dashed var(--color-gray-300);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-gray-700);
}

.hero-sidebar {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 48px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.sidebar-terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #333;
  padding-bottom: 12px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.sidebar-benefit-card {
  border: 2px solid #282A33;
  background: #14151A;
  padding: 16px;
  margin-bottom: 12px;
  transition: all var(--transition-fast);
}

.sidebar-benefit-card:hover {
  border-color: var(--color-yellow);
  background: #1A1B22;
}

.benefit-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.benefit-icon {
  font-size: 1.2rem;
}

.benefit-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.benefit-desc {
  font-size: 0.82rem;
  color: #BBB;
  line-height: 1.4;
}

.sidebar-metric-card {
  border: 2px solid #333;
  background: #151518;
  padding: 20px;
  margin-bottom: 16px;
  position: relative;
  transition: border-color var(--transition-fast);
}

.sidebar-metric-card:hover {
  border-color: var(--radtome-orange);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  margin: 4px 0;
}

.metric-desc {
  font-size: 0.8rem;
  color: #AAA;
}

/* --------------------------------------------------------------------------
   Solutions Grid (Use-Cases Focus)
   -------------------------------------------------------------------------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.solution-card {
  background: var(--color-white);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-bounce), box-shadow var(--transition-bounce);
}

.solution-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-brutal-lg);
}

.solution-icon-wrap {
  width: 52px;
  height: 52px;
  border: var(--border-subtle);
  background: var(--color-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  box-shadow: 3px 3px 0px var(--color-black);
}

.solution-card h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.solution-card p {
  font-size: 0.95rem;
  color: var(--color-gray-700);
  margin-bottom: 24px;
  line-height: 1.55;
}

.solution-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-blue);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast);
}

.solution-link:hover {
  gap: 10px;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Comparison Table (Old Way vs OrgSets Way)
   -------------------------------------------------------------------------- */
.comparison-table-wrap {
  background: var(--color-white);
  border: var(--border-massive);
  box-shadow: var(--shadow-brutal-lg);
  overflow-x: auto;
  margin-top: 32px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 700px;
}

.comparison-table th {
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.05rem;
  padding: 20px 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-right: 2px solid #333;
}

.comparison-table th.col-highlight {
  background: var(--color-blue);
  color: var(--color-white);
  border-right: none;
}

.comparison-table td {
  padding: 20px 24px;
  border-bottom: 2px solid var(--color-gray-200);
  border-right: 2px solid var(--color-gray-200);
  font-size: 0.95rem;
  vertical-align: top;
}

.comparison-table tr:hover td {
  background: var(--color-cream);
}

.comparison-table td.col-orgsets {
  background: rgba(0, 68, 255, 0.05);
  font-weight: 700;
  color: var(--color-black);
  border-right: none;
}

.comparison-feature-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  display: block;
  margin-bottom: 4px;
}

.feature-action-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-blue);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  transition: gap var(--transition-fast);
}

.feature-action-link:hover {
  gap: 10px;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   High-Converting Call To Action Section
   -------------------------------------------------------------------------- */
.conversion-cta-box {
  background: var(--color-black);
  color: var(--color-white);
  border: var(--border-massive);
  box-shadow: var(--shadow-brutal-lg);
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
  margin: 80px 0 20px 0;
}

.conversion-cta-box::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: var(--color-yellow);
  pointer-events: none;
}

.conversion-cta-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.conversion-cta-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.05;
  color: var(--color-white);
  margin-bottom: 20px;
}

.conversion-cta-subtitle {
  font-size: 1.15rem;
  color: #CCC;
  line-height: 1.6;
  margin-bottom: 32px;
}

.conversion-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.subtle-brand-credit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background: #111;
  border: 1px solid #333;
  padding: 16px 24px;
  margin-bottom: 40px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #AAA;
}

.subtle-brand-credit a {
  color: var(--radtome-orange);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Section Containers & Section Headers
   -------------------------------------------------------------------------- */
.section-wrapper {
  margin: 72px 0;
}

.section-header {
  border-bottom: var(--border-thick);
  padding-bottom: 16px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section-pretitle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--color-gray-700);
  max-width: 800px;
}

/* --------------------------------------------------------------------------
   Organizational Reach Ribbon
   -------------------------------------------------------------------------- */
.org-category-ribbon {
  background: var(--color-black);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal);
  padding: 16px 24px;
  margin: 36px 0 48px 0;
}

.ribbon-container {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.ribbon-label {
  background: var(--color-yellow);
  color: var(--color-black);
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.ribbon-items {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ribbon-item {
  color: var(--color-white);
  white-space: nowrap;
}

.ribbon-sep {
  color: var(--color-yellow);
  font-weight: 900;
}

/* --------------------------------------------------------------------------
   Footer RadTome Parent Company Showcase Panel
   -------------------------------------------------------------------------- */
.footer-radtome-banner {
  background: #111216;
  border: 2px solid #2B2D35;
  box-shadow: 6px 6px 0px #000;
  padding: 32px;
  margin-bottom: 56px;
  position: relative;
  transition: border-color var(--transition-fast);
}

.footer-radtome-banner:hover {
  border-color: var(--radtome-orange);
}

.footer-radtome-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid #282A33;
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.footer-radtome-badges {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-radtome-body {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: start;
}

.footer-radtome-bio p {
  color: #CCC;
}

.footer-radtome-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.footer-radtome-links a {
  color: var(--radtome-orange);
  transition: color var(--transition-fast);
}

.footer-radtome-links a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-radtome-tools .tools-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #888;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer-tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.footer-tool-card {
  border: 1px solid #282A33;
  background: rgba(255, 255, 255, 0.02);
  padding: 12px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-tool-card:hover {
  border-color: var(--radtome-orange);
  background: rgba(255, 95, 31, 0.08);
  transform: translateY(-2px);
}

.tool-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--radtome-cyan);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.tool-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 2px;
}

.tool-desc {
  font-size: 0.7rem;
  color: #888;
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   Interactive Hierarchy Simulator
   -------------------------------------------------------------------------- */
.simulator-box {
  background: var(--color-white);
  border: var(--border-massive);
  box-shadow: var(--shadow-brutal-lg);
  padding: 40px;
}

.sim-level-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.sim-tab-btn {
  flex: 1;
  min-width: 200px;
  padding: 16px;
  background: var(--color-white);
  border: var(--border-thick);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-brutal-sm);
}

.sim-tab-btn.active {
  background: var(--color-yellow);
  box-shadow: 6px 6px 0px var(--color-black);
  transform: translate(-2px, -2px);
}

.sim-tab-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.sim-tab-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
}

.sim-viewport {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background: var(--color-cream);
  border: var(--border-thick);
  padding: 32px;
}

.sim-tree-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tree-node-item {
  border: var(--border-subtle);
  background: var(--color-white);
  padding: 16px;
  box-shadow: 3px 3px 0px var(--color-black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.tree-node-item.selected {
  border: var(--border-thick);
  background: var(--color-blue);
  color: var(--color-white);
  box-shadow: 6px 6px 0px var(--color-black);
}

.tree-node-item.selected p {
  color: var(--color-white);
}

.sim-detail-col {
  background: var(--color-white);
  border: var(--border-subtle);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.detail-header {
  border-bottom: 2px solid var(--color-black);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.detail-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.detail-spec-item {
  border: 1px solid var(--color-gray-200);
  background: var(--color-gray-100);
  padding: 10px;
}

.spec-k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--color-gray-700);
}

.spec-v {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   Core Modules & Feature Grid
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--color-white);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-bounce), box-shadow var(--transition-bounce);
}

.feature-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-brutal-lg);
}

.feature-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border: var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 3px 3px 0px var(--color-black);
}

.icon-blue { background-color: var(--color-blue); color: var(--color-white); }
.icon-yellow { background-color: var(--color-yellow); color: var(--color-black); }
.icon-red { background-color: var(--color-red); color: var(--color-white); }
.icon-black { background-color: var(--color-black); color: var(--color-white); }

.feature-card h3 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-gray-700);
  margin-bottom: 24px;
  line-height: 1.5;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 2px dashed var(--color-gray-200);
}

.feature-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 6px;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Community & Issue Tracker Section
   -------------------------------------------------------------------------- */
.community-box {
  background: var(--color-yellow);
  border: var(--border-massive);
  box-shadow: var(--shadow-brutal-lg);
  padding: 56px 48px;
}

.community-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.community-content h2 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-bottom: 16px;
}

.community-content p {
  font-size: 1.15rem;
  color: var(--color-black);
  margin-bottom: 32px;
}

.action-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.action-card {
  background: var(--color-white);
  border: var(--border-thick);
  padding: 20px;
  text-decoration: none;
  box-shadow: var(--shadow-brutal-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.action-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0px var(--color-black);
  background: var(--color-black);
  color: var(--color-white);
}

.action-card:hover p {
  color: #CCC;
}

.action-card h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.action-card p {
  font-size: 0.8rem;
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   FAQ Accordion (Schema Optimized)
   -------------------------------------------------------------------------- */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border: var(--border-thick);
  box-shadow: var(--shadow-brutal);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.faq-question {
  width: 100%;
  padding: 24px;
  text-align: left;
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 16px;
}

.faq-indicator {
  width: 36px;
  height: 36px;
  border: var(--border-subtle);
  background: var(--color-white);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 900;
  box-shadow: 2px 2px 0px var(--color-black);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.faq-item.active .faq-indicator {
  background: var(--color-blue);
  color: var(--color-white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 24px 24px;
  transition: max-height 0.5s ease-in-out, padding 0.3s ease;
}

.faq-answer p {
  color: var(--color-gray-700);
  font-size: 1rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer-main {
  background: var(--color-black);
  color: var(--color-white);
  border-top: var(--border-massive);
  padding: 64px 24px 32px 24px;
  margin-top: 96px;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-top-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-col h4 {
  font-size: 1.1rem;
  color: var(--color-yellow);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: #BBB;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-bottom-bar {
  border-top: 1px solid #333;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #888;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-content {
    border-right: none;
    border-bottom: var(--border-thick);
    padding: 40px 24px;
  }
  .hero-sidebar {
    padding: 40px 24px;
  }
  .radtome-grid {
    grid-template-columns: 1fr;
  }
  .sister-projects-grid {
    grid-template-columns: 1fr;
  }
  .sim-viewport {
    grid-template-columns: 1fr;
  }
  .community-grid {
    grid-template-columns: 1fr;
  }
  .conversion-cta-grid {
    grid-template-columns: 1fr;
  }
  .footer-top-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .header-nav.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: var(--border-thick);
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-brutal-lg);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .action-cards-grid {
    grid-template-columns: 1fr;
  }
  .footer-top-row {
    grid-template-columns: 1fr;
  }
}