/* ==========================================================================
   VOXEL // CORE STYLESHEET
   Design Language: Monolithic, Raw, Solid, Tactical & Architectural.
   Zero neon blooms. Zero synthetic blurs. Pure geometric precision.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Surface & Backgrounds */
  --bg-deep: #0a0c0e;
  --bg-primary: #0f1216;
  --bg-surface: #14181f;
  --bg-card: #181d26;
  --bg-elevated: #1e2430;
  --bg-highlight: #262e3d;

  /* Architectural Borders */
  --border-subtle: #202733;
  --border-medium: #2d3646;
  --border-strong: #3f4c62;
  --border-accent: #6b7280;

  /* Typography Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #8492a6;
  --text-dim: #546274;

  /* Raw Material Palette */
  --mat-concrete: #94a3b8;
  --mat-obsidian: #334155;
  --mat-slate: #64748b;
  --mat-quartz: #e2e8f0;
  --mat-steel: #cbd5e1;

  /* Tactical Status */
  --status-active: #86efac;
  --status-stable: #a3e635;
  --status-warning: #fde047;

  /* Layout & Geometry */
  --max-width: 1200px;
  --header-height: 64px;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;

  /* Shadows (Hard mechanical tactile offsets) */
  --shadow-hard: 3px 3px 0px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-button: 2px 2px 0px #0a0c0e;

  /* Transitions */
  --ease-tactile: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   RESET & FOUNDATION
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.55;
  font-size: 15px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-deep);
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0;
  overflow-x: hidden;
}

::selection {
  background: var(--text-muted);
  color: var(--bg-deep);
}

code, pre, .font-mono {
  font-family: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --------------------------------------------------------------------------
   UTILITY & LAYOUT
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.section-header {
  margin-bottom: 3rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-xs);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.2;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-top: 0.75rem;
  max-width: 680px;
}

/* --------------------------------------------------------------------------
   NAVIGATION HEADER
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 18, 22, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: var(--radius-xs);
  display: block;
}

.live-signal-badge {
  color: var(--status-stable);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.logo-cube {
  width: 26px;
  height: 26px;
  background: var(--bg-elevated);
  border: 1.5px solid var(--text-primary);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  box-shadow: 1.5px 1.5px 0px var(--border-strong);
}

.logo-cube::after {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--text-primary);
}

.version-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* --------------------------------------------------------------------------
   TACTILE BUTTONS & INPUTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-xs);
  transition: transform 0.08s var(--ease-tactile), background 0.15s ease, border-color 0.15s ease, box-shadow 0.08s ease;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-deep);
  border: 1px solid var(--text-primary);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background: #ffffff;
}

.btn-primary:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px #0a0c0e;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-button);
}

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

.btn-secondary:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px #0a0c0e;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  padding: 4.5rem 0 5rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.15fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-headline {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-subhead {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.download-cta-group {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  max-width: 480px;
}

.download-btn-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.95rem 1.25rem;
  background: var(--text-primary);
  color: var(--bg-deep);
  border: 1px solid var(--text-primary);
  box-shadow: var(--shadow-hard);
  border-radius: var(--radius-xs);
  font-weight: 700;
}

.download-btn-main:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px rgba(0,0,0,0.8);
}

.download-meta {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.download-title {
  font-size: 0.95rem;
  line-height: 1.2;
}

.download-subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  color: #4b5563;
  margin-top: 0.15rem;
}

.download-os-icon {
  font-size: 1.25rem;
}

.platform-dropdown-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.85rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-hard);
  font-size: 0.85rem;
}

.platform-dropdown-btn:hover {
  background: var(--bg-elevated);
}

.quick-install-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xs);
  padding: 0.55rem 0.85rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 480px;
}

.quick-install-code {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cli-prompt {
  color: var(--text-muted);
  user-select: none;
}

.copy-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-xs);
  transition: all 0.12s ease;
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.copy-btn.copied {
  background: var(--status-stable);
  color: var(--bg-deep);
  border-color: var(--status-stable);
  font-weight: 700;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--status-stable);
}

/* --------------------------------------------------------------------------
   INTERACTIVE VOXEL HERO CANVAS (SIGNATURE ELEMENT)
   -------------------------------------------------------------------------- */
.voxel-viewport-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.viewport-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.9rem;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
}

.viewport-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.viewport-coords {
  color: var(--text-muted);
  font-weight: 600;
}

.viewport-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tool-btn {
  background: var(--bg-surface);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.5rem;
  font-size: 0.72rem;
  border-radius: var(--radius-xs);
  transition: all 0.1s ease;
}

.tool-btn:hover, .tool-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.tool-btn.active {
  border-color: var(--border-strong);
  color: var(--text-primary);
  background: var(--bg-highlight);
}

.voxel-canvas-stage {
  width: 100%;
  height: 380px;
  position: relative;
  background: radial-gradient(circle at center, #171c24 0%, #0d0f13 100%);
  cursor: crosshair;
  touch-action: none;
}

#voxelCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.viewport-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.9rem;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
}

.material-selector {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.mat-label {
  color: var(--text-dim);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.mat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.45rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.7rem;
}

.mat-pill.selected {
  border-color: var(--text-primary);
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.mat-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 1px;
}

.canvas-hint {
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* --------------------------------------------------------------------------
   CORE ARCHITECTURE PILLARS (4-GRID)
   -------------------------------------------------------------------------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}

.pillar-card {
  background: var(--bg-surface);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.15s ease;
}

.pillar-card:hover {
  background: var(--bg-card);
}

.pillar-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.pillar-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.pillar-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.pillar-meta {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-subtle);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   PERFORMANCE BENCHMARKS MATRIX
   -------------------------------------------------------------------------- */
.benchmark-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.benchmarks-table-wrap {
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  overflow: hidden;
}

.bench-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.bench-table th {
  padding: 0.85rem 1rem;
  background: var(--bg-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-medium);
}

.bench-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.bench-table tr:last-child td {
  border-bottom: none;
}

.bench-metric-name {
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.bench-metric-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.bench-val-voxel {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--status-stable);
}

.bench-val-competitor {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-dim);
}

.spec-blueprint-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.5);
}

.spec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.spec-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  font-family: 'JetBrains Mono', monospace;
}

.spec-k {
  color: var(--text-muted);
}

.spec-v {
  font-weight: 600;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   FULL PLATFORM DOWNLOAD MATRIX
   -------------------------------------------------------------------------- */
.download-section {
  background: transparent;
}

.platform-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.4);
  transition: border-color 0.15s ease, transform 0.1s ease;
}

.platform-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.platform-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.platform-os-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.platform-arch-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-xs);
}

.platform-file-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 1.25rem 0 1.5rem;
}

.download-asset-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: all 0.12s ease;
}

.download-asset-item:hover {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.download-asset-item.in-progress {
  opacity: 0.65;
  cursor: default;
  border-style: dashed;
}

.download-asset-item.in-progress:hover {
  background: var(--bg-surface);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.badge-in-progress {
  background: var(--bg-elevated) !important;
  color: var(--text-muted) !important;
  border: 1px solid var(--border-medium) !important;
  font-weight: 600;
}

.asset-meta {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.checksum-drawer {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-xs);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checksum-hash {
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* --------------------------------------------------------------------------
   TERMINAL & PACKAGE MANAGERS
   -------------------------------------------------------------------------- */
.terminal-block {
  background: var(--bg-deep);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-tabs {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.term-tab {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
}

.term-tab.active {
  background: var(--bg-deep);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  font-weight: 600;
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.term-cmd {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   KEYBOARD SHORTCUTS & WORKFLOW TACTICS
   -------------------------------------------------------------------------- */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.shortcut-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-xs);
}

.shortcut-action {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.shortcut-keys {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

kbd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  box-shadow: 1px 1px 0px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   CHANGELOG LEDGER & RELEASES
   -------------------------------------------------------------------------- */
.ledger-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ledger-entry {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1.75rem;
  transition: border-color 0.15s ease;
}

.ledger-entry:hover {
  border-color: var(--border-medium);
}

.ledger-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.ledger-version {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.version-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.badge-release {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-xs);
}

.badge-release.latest {
  background: rgba(163, 230, 53, 0.12);
  color: var(--status-stable);
  border: 1px solid rgba(163, 230, 53, 0.3);
}

.ledger-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.ledger-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ledger-items li {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.ledger-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   FAQ ACCORDION
   -------------------------------------------------------------------------- */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.faq-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
}

.faq-q {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.65rem;
  letter-spacing: -0.01em;
}

.faq-a {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2.5rem;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 0.75rem;
  max-width: 320px;
}

.footer-col-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.88rem;
}

.footer-col-links a {
  color: var(--text-dim);
  transition: color 0.15s ease;
}

.footer-col-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN (BREAKPOINTS)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .benchmark-layout {
    grid-template-columns: 1fr;
  }

  .platform-cards-grid {
    grid-template-columns: 1fr;
  }

  .shortcuts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero-headline {
    font-size: 2.4rem;
  }

  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .shortcuts-grid {
    grid-template-columns: 1fr;
  }

  .download-cta-group {
    flex-direction: column;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
}

/* --------------------------------------------------------------------------
   REFERRAL & PERSONALIZED LINKS BANNER
   -------------------------------------------------------------------------- */
.referral-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), rgba(134, 239, 172, 0.15));
  border: 1px solid rgba(134, 239, 172, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  animation: fadeIn 0.4s ease;
}

.referral-banner.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   ENHANCED CLEAR DUAL CTAS
   -------------------------------------------------------------------------- */
.hero-dual-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.btn-cta-main {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.75rem;
  background: var(--text-primary);
  color: var(--bg-deep);
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15), var(--shadow-button);
  transition: all 0.2s var(--ease-tactile);
}

.btn-cta-main:hover {
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(255, 255, 255, 0.25);
}

.btn-cta-web {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.5rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s var(--ease-tactile);
}

.btn-cta-web:hover {
  background: var(--bg-card);
  border-color: #86efac;
  color: #86efac;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   FAQ CONTACT & CHANNELS BOX
   -------------------------------------------------------------------------- */
.faq-contact-wrapper {
  margin-top: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
}

.faq-contact-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.faq-contact-header h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.faq-contact-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.contact-channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact-channel-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s var(--ease-tactile);
}

.contact-channel-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  font-size: 1.2rem;
}

.channel-ig .contact-icon {
  background: linear-gradient(45deg, #f09433, #dc2743, #bc1888);
  color: #fff;
}

.channel-email .contact-icon {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #a5b4fc;
}

.channel-phone .contact-icon {
  background: rgba(37, 211, 102, 0.15);
  border: 1px solid rgba(37, 211, 102, 0.35);
  color: #86efac;
}

.contact-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.contact-value {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.contact-action-tag {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #86efac;
}

@media (max-width: 820px) {
  .contact-channels-grid {
    grid-template-columns: 1fr;
  }
}

.faq-form-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.75rem;
  margin-top: 1.5rem;
}

.faq-form-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.faq-form-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.faq-form-input {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xs);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  min-height: 85px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.faq-form-input:focus {
  border-color: #86efac;
}

.faq-form-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}

.channel-radios {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.channel-radio-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.channel-radio-label input {
  accent-color: #86efac;
}

.faq-form-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  background: var(--text-primary);
  color: var(--bg-deep);
  border: none;
  border-radius: var(--radius-xs);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.faq-form-submit:hover {
  background: #fff;
  transform: translateY(-1px);
}


/* --------------------------------------------------------------------------
   FIXED MOBILE STICKY CTA
   -------------------------------------------------------------------------- */
.mobile-sticky-cta {
  display: none;
}

@media (max-width: 768px) {
  body {
    padding-bottom: 74px; /* Evita que o footer fique escondido atrás da barra fixa */
  }

  .mobile-sticky-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(15, 18, 22, 0.95);
    border-top: 1px solid var(--border-medium);
    padding: 0.65rem 1rem max(0.65rem, env(safe-area-inset-bottom));
    backdrop-filter: blur(12px);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.6);
  }

  .sticky-cta-left {
    display: flex;
    align-items: center;
    gap: 0.6rem;
  }

  .sticky-cta-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-xs);
  }

  .sticky-cta-text {
    display: flex;
    flex-direction: column;
    text-align: left;
  }

  .sticky-cta-name {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
  }

  .sticky-cta-tag {
    font-size: 0.7rem;
    color: #86efac;
    font-family: 'JetBrains Mono', monospace;
  }

  .sticky-cta-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .sticky-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.9rem;
    background: var(--text-primary);
    color: var(--bg-deep);
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 0.8rem;
    text-decoration: none;
    box-shadow: var(--shadow-button);
    white-space: nowrap;
  }

  .sticky-btn-web {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.8rem;
    text-decoration: none;
    white-space: nowrap;
  }
}