/* ==========================================================================
   DashFlow - Product Page Styling
   Design System: Clean Swiss Technical / Linear & ArtCraft Inspired
   Palette: Deep Neutral Slate (#090A0D), Pure White, Crisp Lines, Emerald (#10B981)
   ========================================================================== */

:root {
  --bg-page: #090a0d;
  --bg-surface: #0e1015;
  --bg-surface-elevated: #14171f;
  --bg-surface-hover: #191c26;

  --line-color: rgba(255, 255, 255, 0.08);
  --line-color-hover: rgba(255, 255, 255, 0.16);

  --text-main: #f3f4f6;
  --text-muted: #8b92a5;
  --text-subtle: #535969;

  --accent-emerald: #10b981;
  --accent-emerald-dim: rgba(16, 185, 129, 0.12);
  --accent-emerald-border: rgba(16, 185, 129, 0.28);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, monospace;

  --transition-fast: 0.18s ease;
}

/* Base Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
}

body {
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
  background-color: var(--bg-page);
}

/* Warp Speed Cosmic Particle Canvas */
#warp-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.8;
}

body > * {
  position: relative;
  z-index: 1;
}

[id], section, .section-boundary, .setup-walkthrough {
  scroll-margin-top: 72px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Announcement Bar & Header
   ========================================================================== */
.top-announcement {
  border-bottom: 1px solid var(--line-color);
  background: rgba(14, 16, 21, 0.95);
  padding: 7px 0;
  font-size: 0.76rem;
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.mono-tag {
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  letter-spacing: 0.08em;
  font-weight: 600;
}

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

.announcement-link {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
}

.announcement-link:hover {
  color: var(--accent-emerald);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  border-bottom: 1px solid var(--line-color);
  background: rgba(9, 10, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-container {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  height: 52px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
  border-right: 1px solid var(--line-color);
  padding-right: 24px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}

.brand-logo {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: block;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.4px;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: #fff;
}

.nav-right {
  display: flex;
  align-items: stretch;
}

.nav-github-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  border-left: 1px solid var(--line-color);
  transition: var(--transition-fast);
}

.nav-github-btn:hover {
  color: #fff;
  background: var(--bg-surface);
}

.nav-cta-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 18px;
  background: #fff;
  color: #000;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  border-left: 1px solid var(--line-color);
  transition: var(--transition-fast);
}

.nav-cta-btn:hover {
  background: var(--accent-emerald);
  color: #04120c;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 70px 0 60px 0;
  border-bottom: 1px solid var(--line-color);
  position: relative;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-header-box {
  max-width: 800px;
  margin-bottom: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hud-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-emerald-dim);
  border: 1px solid var(--accent-emerald-border);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 22px;
}

.status-indicator {
  width: 6px;
  height: 6px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hud-mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-emerald);
}

.hero-heading {
  font-size: 3.6rem;
  font-weight: 700;
  letter-spacing: -1.8px;
  line-height: 1.1;
  margin-bottom: 18px;
  color: #fff;
}

.heading-muted {
  color: var(--text-muted);
  font-weight: 400;
}

.hero-description {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.6;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

/* Technical Buttons */
.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: #000;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid #fff;
  transition: var(--transition-fast);
}

.primary-btn:hover {
  background: var(--accent-emerald);
  border-color: var(--accent-emerald);
  color: #031209;
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  color: #fff;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--line-color);
  transition: var(--transition-fast);
}

.secondary-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--line-color-hover);
}

.tag-version {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(0, 0, 0, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
}

.secondary-btn .tag-version {
  background: rgba(255, 255, 255, 0.08);
}

.full-btn {
  width: 100%;
  justify-content: space-between;
}

/* Meta Line */
.hero-meta-row {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--line-color);
  background: var(--bg-surface);
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.75rem;
}

.meta-item {
  display: flex;
  gap: 6px;
  align-items: center;
}

.meta-label {
  font-family: var(--font-mono);
  color: var(--text-subtle);
  letter-spacing: 0.06em;
}

.meta-val {
  color: var(--text-main);
  font-weight: 500;
}

.meta-separator {
  width: 1px;
  height: 14px;
  background: var(--line-color);
}

/* ==========================================================================
   Desktop Application Window Frame Showcase
   ========================================================================== */
.app-window-frame {
  width: 100%;
  max-width: 1060px;
  background: #0d0f14;
  border: 1px solid var(--line-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65), 0 0 1px rgba(255, 255, 255, 0.2);
  text-align: left;
}

.window-titlebar {
  height: 48px;
  background: #080a0e;
  border-bottom: 1px solid var(--line-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Sidebar Top Brand Area */
.titlebar-brand-area {
  width: 220px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-right: 1px solid var(--line-color);
  background: #080a0e;
}

.app-logo-squircle {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.app-brand-title {
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  letter-spacing: -0.3px;
}

.text-emerald {
  color: var(--accent-emerald);
}

/* Main Top Bar with LinkBar and TransferStatus */
.titlebar-main-bar {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
}

.app-linkbar-mock {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #12151e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 4px 6px 4px 12px;
  max-width: 460px;
  flex: 1;
}

.link-icon {
  color: var(--text-subtle);
  flex-shrink: 0;
}

.link-placeholder {
  font-size: 0.78rem;
  color: var(--text-subtle);
  flex: 1;
  white-space: nowrap;
}

.clipboard-icon {
  font-size: 0.75rem;
  opacity: 0.6;
  cursor: pointer;
  padding: 2px 4px;
}

.linkbar-add-btn {
  background: var(--accent-emerald);
  color: #031209;
  font-size: 0.74rem;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
}

.app-transfer-status {
  margin-left: auto;
}

.transfer-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-emerald);
}

.transfer-count {
  color: var(--text-muted);
}

/* Windows 11 Caption Controls */
.win-caption-controls {
  display: flex;
  height: 100%;
}

.win-ctrl-btn {
  width: 44px;
  height: 100%;
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.win-ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.win-ctrl-btn.win-close:hover {
  background: #e81123;
  color: #fff;
}

/* App Body & Sidebar */
.app-ui-body {
  display: flex;
  min-height: 480px;
}

.app-sidebar {
  width: 220px;
  border-right: 1px solid var(--line-color);
  background: #080a0e;
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
}

.sidebar-group {
  margin-bottom: 22px;
}

.sidebar-heading {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--text-subtle);
  letter-spacing: 0.1em;
  padding: 0 8px 6px 8px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.sidebar-item:hover {
  background: #12151e;
  color: #fff;
}

.sidebar-item.active {
  background: rgba(16, 185, 129, 0.12);
  color: #fff;
  font-weight: 600;
}

.item-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-subtle);
}

.sidebar-bottom-bar {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.theme-icon-btn {
  font-size: 0.85rem;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}

/* App Main Downloads View */
.app-main-view {
  flex: 1;
  background: #0b0d12;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Real DashFlow Download Cards */
.real-download-card {
  background: #11141c;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 16px;
  transition: var(--transition-fast);
}

.active-card {
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 15px rgba(16, 185, 129, 0.06);
}

.card-top-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.file-type-icon {
  width: 38px;
  height: 38px;
  background: #181c26;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.card-info-col {
  flex: 1;
  min-width: 0;
}

.card-title-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 2px;
}

.card-filename {
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-pct {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-emerald);
  font-weight: 700;
}

.card-sub-line {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.dot-sep {
  color: var(--text-subtle);
}

.path-dim {
  color: var(--text-subtle);
}

.card-action-btns {
  display: flex;
  gap: 4px;
}

.action-btn {
  width: 30px;
  height: 30px;
  background: #181c26;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.action-btn:hover {
  background: #222736;
  color: #fff;
}

/* Primary Progress Bar */
.card-progress-track {
  width: 100%;
  height: 5px;
  background: #181c26;
  border-radius: 9999px;
  overflow: hidden;
  margin-bottom: 12px;
}

.card-progress-bar {
  height: 100%;
  background: var(--accent-emerald);
  border-radius: 9999px;
  position: relative;
  transition: width 0.3s ease;
}

.bar-shimmer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.4) 50%, transparent 100%);
  animation: shimmerAnim 1.8s infinite;
}

@keyframes shimmerAnim {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Segment Bar Module (Real SegmentBar.tsx style) */
.segment-bar-module {
  background: #0d0f15;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 14px;
}

.segment-module-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
  margin-bottom: 8px;
}

.seg-left {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  color: var(--text-main);
}

.cpu-icon {
  color: var(--accent-emerald);
}

.seg-right {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

.segments-grid-row {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 3px;
  height: 18px;
}

.seg-chunk {
  background: #181c26;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.seg-chunk-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
  transition: width 0.25s ease;
}

/* ==========================================================================
   TURBO ENGINE IS RUNNING - Animated Accelerator Module
   ========================================================================== */
.turbo-engine-strip {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.08) 0%, rgba(6, 182, 212, 0.04) 100%);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.engine-core {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Rotating Turbo Turbine */
.turbine-container {
  width: 32px;
  height: 32px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.turbine-glow-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--accent-emerald);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
  animation: turbineGlow 2s ease-in-out infinite alternate;
}

.turbine-blades {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: conic-gradient(
    var(--accent-emerald) 0deg 30deg,
    transparent 30deg 60deg,
    var(--accent-emerald) 60deg 90deg,
    transparent 90deg 120deg,
    var(--accent-emerald) 120deg 150deg,
    transparent 150deg 180deg,
    var(--accent-emerald) 180deg 210deg,
    transparent 210deg 240deg,
    var(--accent-emerald) 240deg 270deg,
    transparent 270deg 300deg,
    var(--accent-emerald) 300deg 330deg,
    transparent 330deg 360deg
  );
  animation: spinTurbine 0.5s linear infinite;
}

@keyframes spinTurbine {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes turbineGlow {
  0% {
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
    border-color: #10b981;
  }
  100% {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.9), 0 0 30px rgba(6, 182, 212, 0.5);
    border-color: #34d399;
  }
}

.engine-info {
  display: flex;
  flex-direction: column;
}

.engine-status-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.status-bold {
  color: var(--accent-emerald);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.engine-tag-meta {
  color: var(--text-muted);
  font-size: 0.65rem;
}

.engine-rpm {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

/* Soundwave / Velocity Equalizer Bars */
.turbo-soundwave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 24px;
}

.wave-bar {
  width: 3px;
  background: var(--accent-emerald);
  border-radius: 2px;
  animation: wavePulse 0.8s ease-in-out infinite alternate;
}

.wb-1 { height: 6px; animation-delay: 0.1s; }
.wb-2 { height: 16px; animation-delay: 0.3s; }
.wb-3 { height: 22px; animation-delay: 0.05s; }
.wb-4 { height: 14px; animation-delay: 0.25s; }
.wb-5 { height: 24px; animation-delay: 0.4s; }
.wb-6 { height: 18px; animation-delay: 0.15s; }
.wb-7 { height: 20px; animation-delay: 0.35s; }
.wb-8 { height: 10px; animation-delay: 0.2s; }
.wb-9 { height: 16px; animation-delay: 0.45s; }
.wb-10 { height: 8px; animation-delay: 0.1s; }

@keyframes wavePulse {
  0% { transform: scaleY(0.3); opacity: 0.5; }
  100% { transform: scaleY(1.2); opacity: 1; }
}

/* Completed Downloads Section */
.recent-transfers-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recent-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--text-subtle);
  letter-spacing: 0.08em;
  padding: 4px 0;
}

.completed-card {
  display: flex;
  align-items: center;
  padding: 10px 14px;
}

.tag-completed {
  color: var(--accent-emerald);
  font-weight: 500;
}

/* ==========================================================================
   Section Headers & Bento Grid
   ========================================================================== */
.section-boundary {
  padding: 80px 0;
  border-bottom: 1px solid var(--line-color);
}

.section-header {
  margin-bottom: 48px;
  max-width: 680px;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-emerald);
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
  color: #fff;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-color);
  border-left: 1px solid var(--line-color);
}

.bento-cell {
  padding: 36px 32px;
  border-right: 1px solid var(--line-color);
  border-bottom: 1px solid var(--line-color);
  background: var(--bg-surface);
  transition: background var(--transition-fast);
}

.bento-cell:hover {
  background: var(--bg-surface-hover);
}

.bento-span-2 {
  grid-column: span 2;
}

.cell-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-subtle);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.cell-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.4px;
  margin-bottom: 10px;
}

.cell-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.cell-visual-line {
  margin-top: 24px;
  height: 2px;
  background: var(--line-color);
  position: relative;
  overflow: hidden;
}

.stream-pulse {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 30%;
  background: var(--accent-emerald);
  animation: pulseLine 2.5s infinite;
}

@keyframes pulseLine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

/* ==========================================================================
   Benchmark Matrix Table
   ========================================================================== */
.table-frame {
  border: 1px solid var(--line-color);
  border-radius: 8px;
  overflow-x: auto;
  background: var(--bg-surface);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.spec-table th,
.spec-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-color);
  font-size: 0.88rem;
}

.spec-table th {
  background: #0b0c10;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.col-highlight {
  background: rgba(16, 185, 129, 0.04);
  font-weight: 600;
}

.cell-feature {
  color: var(--text-main);
  font-weight: 500;
}

.text-emerald { color: var(--accent-emerald); }
.text-muted { color: var(--text-muted); }
.text-alert { color: #f87171; }

/* ==========================================================================
   Downloads Section
   ========================================================================== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.download-block {
  background: var(--bg-surface);
  border: 1px solid var(--line-color);
  border-radius: 10px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-fast);
}

.download-block:hover {
  border-color: var(--line-color-hover);
  background: var(--bg-surface-elevated);
}

.primary-block {
  border-color: var(--accent-emerald-border);
}

.primary-block:hover {
  border-color: var(--accent-emerald);
}

.block-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.block-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.primary-block .block-badge {
  background: var(--accent-emerald-dim);
  color: var(--accent-emerald);
  border: 1px solid var(--accent-emerald-border);
}

.block-icon {
  color: #fff;
}

.block-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: #fff;
  margin-bottom: 10px;
}

.block-summary {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.block-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.block-cta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.file-checksum {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-subtle);
}

/* Setup Walkthrough */
.setup-walkthrough {
  border: 1px solid var(--line-color);
  background: var(--bg-surface);
  border-radius: 10px;
  padding: 28px;
}

.walkthrough-header {
  margin-bottom: 20px;
}

.walkthrough-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.walkthrough-step {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step-idx {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

.step-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: #fff;
}

.step-info {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.step-info code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 4px;
  border-radius: 3px;
  color: #fff;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--line-color);
  background: #06070a;
  padding: 50px 0;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-left {
  max-width: 380px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-logo {
  width: 24px;
  height: 24px;
  border-radius: 5px;
}

.footer-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
}

.footer-about {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-family: var(--font-mono);
}

.footer-nav {
  display: flex;
  gap: 60px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-head {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-subtle);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.84rem;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: #fff;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 992px) {
  .hero-heading { font-size: 2.8rem; }
  .bento-grid { grid-template-columns: 1fr; border-left: none; }
  .bento-span-2 { grid-column: span 1; }
  .download-grid { grid-template-columns: 1fr; }
  .walkthrough-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .app-sidebar { display: none; }
}

@media (max-width: 768px) {
  .nav-center, .brand-sub { display: none; }
  .nav-left { border-right: none; }
  .hero-heading { font-size: 2.2rem; }
  .hero-description { font-size: 0.98rem; }
  .hero-meta-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .meta-separator { display: none; }
  .walkthrough-grid { grid-template-columns: 1fr; }
  .footer-nav { flex-direction: column; gap: 30px; }
}