@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Inter:wght@400;500;600;700;800;900&display=swap');

@font-face {
  font-family: 'CourierPrime';
  src: url('../assets/CourierPrime-Regular.ttf') format('truetype');
  font-weight: 400;
}
@font-face {
  font-family: 'CourierPrime';
  src: url('../assets/CourierPrime-Bold.ttf') format('truetype');
  font-weight: 700;
}
@font-face {
  font-family: 'CourierPrimeSans';
  src: url('../assets/CourierPrimeSans-Regular.ttf') format('truetype');
  font-weight: 400;
}
@font-face {
  font-family: 'CourierPrimeSans';
  src: url('../assets/CourierPrimeSans-Bold.ttf') format('truetype');
  font-weight: 700;
}

:root {
  --bg: #090a0d;
  --bg-subtle: #0f1117;
  --bg-card: #13161f;
  --bg-card-hover: #181c27;
  --fg: #f3f4f6;
  --fg-dim: #8b92a4;
  --fg-muted: #52586b;
  --border: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(255, 255, 255, 0.16);
  --accent: #34d399; /* Aspen Mint / Terminal Mint */
  --accent-fg: #052e16;
  --accent-dim: rgba(52, 211, 153, 0.12);
  --accent-glow: rgba(52, 211, 153, 0.25);
  
  --font-mono: 'JetBrains Mono', 'CourierPrime', monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  
  --header-h: 60px;
  --max-w: 1440px;
  --ease-aspen: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-sweep: 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body {
  background-color: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  position: relative;
}

::selection {
  background: var(--accent);
  color: var(--accent-fg);
}

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

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

img, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Aspen Grid Architecture */
.aspen-container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  box-sizing: border-box;
  overflow-x: clip;
}

.aspen-row {
  display: grid;
  border-bottom: 1px solid var(--border);
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-split-hero {
  grid-template-columns: 1.15fr 0.85fr;
}

.divide-x > * + * {
  border-left: 1px solid var(--border);
}

/* Aspen Header */
.aspen-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(9, 10, 13, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr auto;
}

.header-brand-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 100%;
  padding: 0 20px;
  border-right: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: background var(--transition-fast);
}

.header-brand-cell:hover {
  background: var(--bg-subtle);
}

.header-brand-icon {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
}

.header-brand-icon img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.brand-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  letter-spacing: 0.05em;
  font-weight: 600;
}

.header-center-cell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.header-telemetry {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.72rem;
  color: var(--fg-dim);
  letter-spacing: 0.02em;
}

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

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--fg);
  transform: translateY(100%);
  transition: transform var(--transition-sweep);
  z-index: 0;
  pointer-events: none;
}

.nav-link:hover {
  color: var(--bg);
}

.nav-link:hover::before {
  transform: translateY(0);
}

.nav-link span {
  position: relative;
  z-index: 1;
}

.header-actions-cell {
  display: flex;
  align-items: center;
  border-left: 1px solid var(--border);
  height: 100%;
}

/* Aspen Sweep Buttons */
.btn-aspen {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 20px;
  height: 100%;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--fg);
  color: var(--bg);
  overflow: hidden;
  white-space: nowrap;
  transition: color var(--transition-sweep);
  border: none;
  cursor: pointer;
}

.btn-aspen::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-sweep);
  z-index: 0;
}

.btn-aspen:hover {
  color: var(--accent-fg);
}

.btn-aspen:hover::before {
  transform: scaleX(1);
}

.btn-aspen span, .btn-aspen svg {
  position: relative;
  z-index: 1;
}

.btn-aspen-outline {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border-bright);
  height: 48px;
  padding: 0 20px;
}

.btn-aspen-outline::before {
  background: var(--fg);
}

.btn-aspen-outline:hover {
  color: var(--bg);
}

.btn-aspen-accent {
  background: var(--accent);
  color: var(--accent-fg);
  height: 48px;
  padding: 0 24px;
}

.btn-aspen-accent::before {
  background: #ffffff;
}

.btn-aspen-accent:hover {
  color: #000000;
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  height: 100%;
  padding: 0 16px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 700;
  font-size: 0.75rem;
}

/* Hero Section (Aspen Grid Architecture) */
.hero-section {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 110px 44px 80px;
  border-bottom: 1px solid var(--border);
  background: #090a0d;
}

.hero-rain-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 1.0;
}

.hero-rain-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(9, 10, 13, 0.55) 0%, rgba(9, 10, 13, 0.35) 60%, rgba(9, 10, 13, 0.85) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-content-wrap {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(3.2rem, 6.8vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 28px;
  text-align: center;
}

.hero-title em {
  font-family: var(--font-mono);
  font-weight: 400;
  font-style: normal;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--fg-dim);
  line-height: 1.6;
  max-width: 44rem;
  margin: 0 auto 40px;
  text-align: center;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-buttons-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.quick-install-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-bright);
  padding: 10px 16px;
  font-size: 0.85rem;
}

.quick-install-box code {
  color: var(--accent);
}

.copy-cmd-btn {
  font-size: 0.7rem;
  color: var(--fg-dim);
  padding: 4px 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all var(--transition-fast);
}

.copy-cmd-btn:hover {
  background: var(--fg);
  color: var(--bg);
}

/* Interactive TUI Terminal Simulator (lottie.rs x FountTUI) */
.hero-tui-col {
  display: flex;
  flex-direction: column;
  background: #08090d;
  overflow: hidden;
  position: relative;
  min-height: 560px;
}

.tui-window-header {
  height: 38px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: #050608;
  border-bottom: 1px solid var(--border);
  gap: 16px;
  user-select: none;
}

.traffic-lights {
  display: flex;
  align-items: center;
  gap: 7px;
}

.traffic-light {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.traffic-light--red { background: #ff5f56; }
.traffic-light--yellow { background: #ffbd2e; }
.traffic-light--green { background: #27c93f; }

.tui-window-tabs {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2px;
}

.tui-window-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 12px;
  font-size: 0.72rem;
  color: #6b7280;
  background: transparent;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tui-window-tab:hover {
  color: #d1d5db;
  background: rgba(255, 255, 255, 0.04);
}

.tui-window-tab.active {
  color: #f3f4f6;
  background: #0e1118;
  border: 1px solid var(--border);
  border-bottom: 1px solid #0e1118;
  font-weight: 600;
}

.tab-cmd-tag {
  font-size: 0.65rem;
  color: #4b5563;
  font-weight: 400;
}

.tui-window-tab.active .tab-cmd-tag {
  color: var(--accent);
}

/* FountTUI Inverted Title Bar */
.tui-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 26px;
  padding: 0 12px;
  background: #151922;
  color: #9ca3af;
  font-size: 0.72rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.title-bar-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Authentic Fountain Script Viewport */
.tui-viewport {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  background: #08090d;
  padding: 24px 0;
  user-select: text;
  font-family: 'JetBrains Mono', 'CourierPrime', monospace;
  font-size: 13.5px;
  line-height: 1.45em;
  color: #9ca3af;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.tui-viewport::-webkit-scrollbar {
  width: 6px;
}

.tui-viewport::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.tui-script-container {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 10px 16px 80px;
}

.tui-term-row {
  position: relative;
  min-height: 1.45em;
  white-space: pre-wrap;
  display: flex;
  align-items: baseline;
}

.tui-scene-number {
  position: absolute;
  left: -48px;
  width: 36px;
  text-align: right;
  color: #4b5563;
  font-size: 0.8em;
  font-weight: 700;
}

.tui-page-number {
  position: absolute;
  right: -42px;
  color: #4b5563;
  font-size: 0.8em;
}

.tui-line-content {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}

.fc-white { color: #f3f4f6; }
.fc-accent { color: var(--accent); }
.fc-gold { color: #fbbf24; }
.fc-blue { color: #38bdf8; }
.fc-green { color: #22c55e; }
.fc-muted { color: #6b7280; }
.fc-italic { font-style: italic; }
.fc-bold { font-weight: 700; }

.cursor-block {
  display: inline-block;
  min-width: 0.6em;
  background-color: var(--accent);
  color: #000 !important;
}

.cursor-block--blink {
  animation: tuiBlink 0.9s step-end infinite;
}

@keyframes tuiBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; background: transparent; }
}

/* FountTUI Bottom Shortcut Bar (Nano / Ratatui Legend) */
.tui-shortcut-bar {
  display: flex;
  flex-direction: column;
  background: #050608;
  border-top: 1px solid var(--border);
  padding: 6px 12px;
  font-size: 0.72rem;
  gap: 4px;
  user-select: none;
}

.tui-shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.tui-shortcut-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #9ca3af;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.tui-shortcut-item:hover {
  color: #f3f4f6;
}

.tui-shortcut-key {
  display: inline-block;
  padding: 1px 4px;
  background: var(--accent);
  color: #052e16 !important;
  font-weight: 700;
  font-size: 0.68rem;
  border-radius: 2px;
}

/* Scene Tree Split View */
.tui-split-view {
  display: grid;
  grid-template-columns: 200px 1fr;
  height: 100%;
  min-height: 420px;
}

.tui-tree-sidebar {
  border-right: 1px solid var(--border);
  background: #06070a;
  padding: 12px 8px;
  overflow-y: auto;
  font-size: 0.72rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tree-node {
  padding: 4px 8px;
  border-radius: 3px;
  color: #6b7280;
  cursor: pointer;
}

.tree-node.active {
  background: rgba(52, 211, 153, 0.1);
  color: var(--accent);
  font-weight: 700;
}

.tree-node.act {
  color: #d1d5db;
  font-weight: 700;
  margin-top: 6px;
}

.tui-pane-content {
  padding: 20px;
  overflow-y: auto;
}

/* Metric / Telemetry Bar */
.telemetry-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border);
}

.telemetry-cell {
  padding: 28px 24px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  transition: background var(--transition-fast);
}

.telemetry-cell:last-child {
  border-right: none;
}

.telemetry-cell:hover {
  background: var(--bg-subtle);
}

.telemetry-cell-num {
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 700;
}

.telemetry-cell-title {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--fg);
}

.telemetry-cell-desc {
  font-size: 0.75rem;
  color: var(--fg-dim);
  line-height: 1.45;
}

/* Section Header Rows */
.section-header-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 60px 44px 40px;
  border-bottom: 1px solid var(--border);
  align-items: flex-end;
}

.section-label {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.6;
  max-width: 32rem;
}

/* Aspen 2-Column Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.feature-cell {
  padding: 44px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  background: var(--bg);
  transition: background var(--transition-fast);
}

.feature-cell:nth-child(2n) {
  border-right: none;
}

.feature-cell:hover {
  background: var(--bg-subtle);
}

.feature-top-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}

.feature-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
}

.feature-keybind {
  font-size: 0.68rem;
  padding: 3px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  color: var(--fg-dim);
  border-radius: 2px;
}

.feature-heading {
  font-family: var(--font-sans);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 14px;
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--fg-dim);
  line-height: 1.6;
  margin-bottom: 24px;
}

.feature-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.75rem;
  color: var(--fg-dim);
}

.feature-specs-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-specs-list li::before {
  content: '▸';
  color: var(--accent);
}

.feature-media-frame {
  position: relative;
  border: 1px solid var(--border);
  background: #000;
  overflow: hidden;
  cursor: pointer;
}

.feature-media-frame img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-smooth);
}

.feature-media-frame:hover img {
  transform: scale(1.03);
}

.media-corner-tag {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 4px 8px;
  background: rgba(9, 10, 13, 0.85);
  border: 1px solid var(--border);
  font-size: 0.65rem;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 4px;
  backdrop-filter: blur(4px);
}

/* Comparison / Philosophy Architectural Row */
.manifesto-row {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  border-bottom: 1px solid var(--border);
}

.manifesto-left {
  padding: 60px 44px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.manifesto-quote {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
}

.manifesto-right {
  padding: 60px 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.manifesto-point h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg);
}

.manifesto-point p {
  font-size: 0.82rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* Aspen Full-Bleed Architectural Footer */
.aspen-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-top-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.footer-headline-cell {
  padding: 60px 44px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.footer-big-title {
  font-family: var(--font-sans);
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--fg);
}

.footer-interactive-cta {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 60px 44px;
  background: var(--accent);
  color: var(--accent-fg);
  cursor: pointer;
  transition: all var(--transition-sweep);
  min-height: 280px;
}

.footer-interactive-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--fg);
  transform: translateY(100%);
  transition: transform var(--transition-sweep);
  z-index: 0;
}

.footer-interactive-cta:hover {
  color: var(--bg);
}

.footer-interactive-cta:hover::before {
  transform: translateY(0);
}

.cta-top-text, .cta-bottom-row {
  position: relative;
  z-index: 1;
}

.cta-top-text {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}

.cta-bottom-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.cta-bottom-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.cta-arrow-svg {
  width: 64px;
  height: 64px;
  transition: transform var(--transition-fast);
}

.footer-interactive-cta:hover .cta-arrow-svg {
  transform: translate(6px, -6px);
}

.footer-nav-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.footer-links-col {
  padding: 40px 44px;
  border-right: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

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

.footer-nav-list a {
  font-size: 0.8rem;
  color: var(--fg-dim);
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: var(--accent);
}

.footer-clocks-col {
  padding: 40px 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

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

.clock-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.clock-label {
  font-size: 0.68rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.clock-val {
  font-size: 0.9rem;
  color: var(--fg);
  font-weight: 700;
}

.footer-bottom-bar {
  padding: 20px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--fg-muted);
}

.footer-bottom-bar a {
  color: var(--fg-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bottom-bar a:hover {
  color: var(--accent);
}

/* Lightbox overlay */
.media-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(9, 10, 13, 0.92);
  backdrop-filter: blur(12px);
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.media-lightbox.is-active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  border: 1px solid var(--border-bright);
  background: #000;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

.lightbox-content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox-close-btn {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--fg-dim);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
}

.lightbox-close-btn:hover {
  background: var(--fg);
  color: var(--bg);
}

/* Downloads Page Specialized Styles */
.download-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.download-hero-left {
  padding: 60px 44px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.version-massive {
  font-family: var(--font-mono);
  font-size: clamp(4.5rem, 9vw, 8.5rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--accent);
  margin-bottom: 20px;
}

.download-platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--border);
}

.platform-card {
  padding: 44px 36px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 380px;
  background: var(--bg);
  transition: background var(--transition-fast);
}

.platform-card:last-child {
  border-right: none;
}

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

.platform-badge {
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 12px;
}

.platform-title {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.platform-desc {
  font-size: 0.82rem;
  color: var(--fg-dim);
  line-height: 1.6;
  margin-bottom: 24px;
}

.changelog-box {
  padding: 44px;
  border-bottom: 1px solid var(--border);
}

.changelog-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.changelog-items li {
  position: relative;
  padding-left: 28px;
  font-size: 0.85rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

.changelog-items li::before {
  content: '■';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.changelog-items strong {
  color: var(--fg);
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
  }
  .hero-main-col {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 40px 24px;
  }
  .telemetry-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .telemetry-cell:nth-child(2) {
    border-right: none;
  }
  .telemetry-cell:nth-child(1), .telemetry-cell:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-cell {
    border-right: none;
  }
  .manifesto-row {
    grid-template-columns: 1fr;
  }
  .manifesto-left {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .footer-top-row, .footer-nav-row {
    grid-template-columns: 1fr;
  }
  .footer-headline-cell, .footer-links-col {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .download-hero-grid {
    grid-template-columns: 1fr;
  }
  .download-hero-left {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .download-platforms-grid {
    grid-template-columns: 1fr;
  }
  .platform-card {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 56px;
  }
  .aspen-container {
    border-left: none;
    border-right: none;
  }
  .header-center-cell {
    display: none;
  }
  .mobile-menu-btn {
    display: none;
  }
  .aspen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .header-brand-cell {
    padding: 0;
    border-right: none;
    font-size: 0.82rem;
    gap: 6px;
    flex-shrink: 0;
  }
  .brand-badge {
    display: none;
  }
  .header-actions-cell {
    border-left: none;
    gap: 6px;
    flex-shrink: 0;
  }
  .btn-aspen {
    padding: 6px 10px;
    height: 32px;
    font-size: 0.72rem;
    gap: 4px;
  }
  .hero-section {
    padding: 56px 16px 40px;
  }
  .hero-meta-bar {
    font-size: 0.65rem;
    gap: 6px;
    padding: 4px 8px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    max-width: 100%;
  }
  .hero-title {
    font-size: clamp(2rem, 8.5vw, 3.2rem);
    margin-bottom: 18px;
    word-break: break-word;
  }
  .hero-tagline {
    font-size: 0.95rem;
    margin-bottom: 24px;
    word-break: break-word;
  }
  .hero-cta-group {
    width: 100%;
    gap: 14px;
  }
  .cta-buttons-row {
    width: 100%;
    flex-direction: column;
    gap: 10px;
  }
  .cta-buttons-row .btn-aspen {
    width: 100%;
    justify-content: center;
    height: 44px;
  }
  .quick-install-box {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.78rem;
    padding: 8px 12px;
  }
  .section-header-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 24px 16px 18px;
    width: 100%;
    box-sizing: border-box;
  }
  .section-title {
    font-size: 1.35rem;
    word-break: break-word;
  }
  .feature-cell, .manifesto-left, .manifesto-right, .footer-headline-cell, .footer-interactive-cta, .footer-links-col, .footer-clocks-col {
    padding: 24px 16px;
    box-sizing: border-box;
    word-break: break-word;
  }
  .feature-heading {
    font-size: 1.35rem;
    word-break: break-word;
  }
  .feature-media-frame {
    max-width: 100%;
    overflow: hidden;
  }
  .manifesto-right {
    grid-template-columns: 1fr;
  }
  .telemetry-strip {
    grid-template-columns: 1fr;
    width: 100%;
    box-sizing: border-box;
  }
  .telemetry-cell {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 18px 16px;
    box-sizing: border-box;
    word-break: break-word;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    align-items: center;
    text-align: center;
    padding: 18px 16px;
    box-sizing: border-box;
  }
}