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

/* Atlas Terminal Design System & Brand Identity
   Crafted with Apple/macOS craftsmanship & hardware-accelerated precision
   Palette directly calibrated to the official Atlas logo (#FF9A3D -> #FF4F7B)
*/

:root {
  /* Default: Paper Warm (Directly calibrated to logo tpaper #FFFDF8 -> #EFE8DA) */
  --bg: #faf7f2;
  --bg-dots: rgba(0, 0, 0, 0.05);
  --panel-bg: #efe8da;
  --elevated-bg: #fffdf8;
  --card-bg: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(0, 0, 0, 0.2);
  --border-subtle: rgba(0, 0, 0, 0.04);
  --fg: #1c1a16;
  --muted: #7a7570;
  --faint: #9a9590;
  --accent: #ff5e62;
  --accent-warm: #ff9a3d;
  --accent-hover: #ff416c;
  --accent-gradient: linear-gradient(135deg, #ff9a3d 0%, #ff4f7b 100%);
  --accent-subtle: rgba(255, 94, 98, 0.12);
  --accent-glow: rgba(255, 79, 123, 0.28);
  --btn-primary-fg: #ffffff;
  --terminal-bg: #141419;
  --terminal-fg: #f5f0e8;
  --terminal-tab-active: #23232b;
  --terminal-border: rgba(255, 255, 255, 0.1);
  --badge-bg: rgba(0, 0, 0, 0.04);
  --kbd-bg: #ffffff;
  --kbd-border: rgba(0, 0, 0, 0.12);
  --code-bg: #efe8da;
  --hero-gradient: linear-gradient(135deg, #1c1a16 0%, #524f48 100%);
  --card-spotlight: rgba(255, 94, 98, 0.06);
  --border-spotlight: rgba(255, 94, 98, 0.28);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  --spring-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  color-scheme: light dark;
}

:root[data-theme="dark"],
:root:has(> head > meta[name="color-scheme"][content="dark"]) {
  /* Dark: Deep Charcoal Ink (Calibrated to logo tink #0E0E12) */
  --bg: #0e0e12;
  --bg-dots: rgba(255, 255, 255, 0.04);
  --panel-bg: #15151c;
  --elevated-bg: #1c1c24;
  --card-bg: #171720;
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(255, 255, 255, 0.25);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --fg: #f0eeec;
  --muted: #8e8b94;
  --faint: #5a5762;
  --accent: #ff6584;
  --accent-warm: #ffa048;
  --accent-hover: #ff7e98;
  --accent-gradient: linear-gradient(135deg, #ffa048 0%, #ff4f7b 100%);
  --accent-subtle: rgba(255, 101, 132, 0.14);
  --accent-glow: rgba(255, 79, 123, 0.32);
  --btn-primary-fg: #ffffff;
  --terminal-bg: #09090d;
  --terminal-fg: #f0eeec;
  --terminal-tab-active: #191922;
  --terminal-border: rgba(255, 255, 255, 0.08);
  --badge-bg: rgba(255, 255, 255, 0.05);
  --kbd-bg: #1e1e28;
  --kbd-border: rgba(255, 255, 255, 0.12);
  --code-bg: #14141c;
  --hero-gradient: linear-gradient(135deg, #ffffff 0%, #a4a2b0 100%);
  --card-spotlight: rgba(255, 101, 132, 0.08);
  --border-spotlight: rgba(255, 101, 132, 0.35);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not(:has(> head > meta[name="color-scheme"][content="light"])) {
    --bg: #0e0e12;
    --bg-dots: rgba(255, 255, 255, 0.04);
    --panel-bg: #15151c;
    --elevated-bg: #1c1c24;
    --card-bg: #171720;
    --border: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(255, 255, 255, 0.25);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --fg: #f0eeec;
    --muted: #8e8b94;
    --faint: #5a5762;
    --accent: #ff6584;
    --accent-warm: #ffa048;
    --accent-hover: #ff7e98;
    --accent-gradient: linear-gradient(135deg, #ffa048 0%, #ff4f7b 100%);
    --accent-subtle: rgba(255, 101, 132, 0.14);
    --accent-glow: rgba(255, 79, 123, 0.32);
    --btn-primary-fg: #ffffff;
    --terminal-bg: #09090d;
    --terminal-fg: #f0eeec;
    --terminal-tab-active: #191922;
    --terminal-border: rgba(255, 255, 255, 0.08);
    --badge-bg: rgba(255, 255, 255, 0.05);
    --kbd-bg: #1e1e28;
    --kbd-border: rgba(255, 255, 255, 0.12);
    --code-bg: #14141c;
    --hero-gradient: linear-gradient(135deg, #ffffff 0%, #a4a2b0 100%);
    --card-spotlight: rgba(255, 101, 132, 0.08);
    --border-spotlight: rgba(255, 101, 132, 0.35);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 9999px;
  }
}

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

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-focus);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image: radial-gradient(var(--bg-dots) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.6;
  transition: background-color 0.4s var(--spring-ease), color 0.4s var(--spring-ease);
  overflow-x: hidden;
  padding-bottom: 80px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--spring-ease), opacity 0.2s var(--spring-ease);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1040px;
}

/* Stable Header & Nav across all pages */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  margin-bottom: 48px;
  padding-top: 8px;
}

.site-header .container,
.site-header .container-wide,
.nav-container {
  max-width: 860px !important;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 9999px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.3s var(--spring-ease), background 0.3s var(--spring-ease);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.nav-brand-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  object-fit: contain;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 9999px;
  transition: color 0.2s var(--spring-ease), background 0.2s var(--spring-ease);
}

.nav-link:hover, .nav-link.active {
  color: var(--fg);
  background: var(--elevated-bg);
}

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

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background: var(--elevated-bg);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: all 0.2s var(--spring-ease);
}

.theme-toggle-btn:hover {
  color: var(--fg);
  border-color: var(--border-focus);
  transform: scale(1.05);
}

.github-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg);
  padding: 6px 12px;
  border-radius: 9999px;
  background: var(--elevated-bg);
  border: 1px solid var(--border);
  transition: all 0.2s var(--spring-ease);
}

.github-pill:hover {
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

/* Minimal Section Label (alexchen.sh style) */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: lowercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: var(--accent);
}

/* Hero Section */
.hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 0 48px;
}

/* Prominent App Icon Presentation */
.app-icon-container {
  position: relative;
  margin-bottom: 24px;
}

.app-icon-aura {
  position: absolute;
  inset: -12px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(16px);
  opacity: 0.7;
  pointer-events: none;
  border-radius: 36px;
  transition: opacity 0.4s var(--spring-ease);
}

.app-icon-img {
  position: relative;
  width: 96px;
  height: 96px;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
  transition: transform 0.4s var(--spring-ease), box-shadow 0.4s var(--spring-ease);
}

.app-icon-img:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15), 0 0 0 1px var(--accent-subtle);
}

.release-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 9999px;
  background: var(--badge-bg);
  border: 1px solid var(--border);
  color: var(--muted);
  margin-bottom: 20px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: #2f7d32;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-headline {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 680px;
  margin: 0 auto 16px;
  color: var(--fg);
  text-wrap: balance;
}

.hero-subheadline {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 28px;
  line-height: 1.6;
  text-wrap: pretty;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(255, 79, 123, 0.25);
  transition: all 0.25s var(--spring-ease);
}

.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 79, 123, 0.4);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--elevated-bg);
  border: 1px solid var(--border);
  color: var(--fg);
  transition: all 0.2s var(--spring-ease);
}

.btn-secondary:hover {
  border-color: var(--border-focus);
  background: var(--panel-bg);
  transform: translateY(-1px);
}

/* Winget Quick Command */
.quick-install-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  border: 1px solid var(--border);
  color: var(--muted);
  margin-bottom: 32px;
  cursor: pointer;
  transition: all 0.2s var(--spring-ease);
}

.quick-install-box:hover {
  border-color: var(--border-focus);
  color: var(--fg);
}

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

.copy-icon {
  width: 14px;
  height: 14px;
  opacity: 0.6;
}

/* Hero Proof Signals */
.proof-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

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

.proof-item strong {
  color: var(--fg);
  font-weight: 600;
}

/* Terminal Showcase (Zeron & Atlas Terminal Frame) */
.terminal-showcase {
  margin: 40px auto;
  width: 100%;
}

.terminal-window {
  width: 100%;
  background: var(--terminal-bg);
  color: var(--terminal-fg);
  /* 14px outer radius / 13px inner radius per .agent/rules/design.md */
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--terminal-border);
  overflow: hidden;
  transition: all 0.3s var(--spring-ease);
}

.terminal-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 12px;
  min-height: 40px;
  background: var(--terminal-bg);
  border-bottom: 1px solid var(--terminal-border);
}

.terminal-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
}

.terminal-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--spring-ease);
  cursor: pointer;
}

.terminal-tab:hover {
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.05);
}

.terminal-tab.active {
  color: #ffffff;
  background: var(--terminal-tab-active);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tab-icon {
  width: 12px;
  height: 12px;
}

.terminal-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.term-btn {
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  opacity: 0.75;
}

.term-btn-close { background: #ff5f56; }
.term-btn-min { background: #ffbd2e; }
.term-btn-max { background: #27c93f; }

.terminal-body {
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  min-height: 320px;
  border-bottom-left-radius: 13px;
  border-bottom-right-radius: 13px;
  overflow-x: auto;
}

.terminal-output {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.term-prompt {
  color: var(--accent);
  font-weight: 600;
}

.term-path {
  color: #3b82f6;
}

.term-branch {
  color: #10b981;
}

.term-cmd {
  color: #ffffff;
}

.term-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--accent);
  vertical-align: middle;
  animation: blink 1s step-start infinite;
  margin-left: 2px;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Fastfetch Inline Graphic Mockup in Terminal */
.fastfetch-block {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  align-items: center;
  padding: 8px 0;
  border-radius: 8px;
}

@media (max-width: 600px) {
  .fastfetch-block {
    grid-template-columns: 1fr;
  }
}

.fastfetch-logo {
  width: 100%;
  max-width: 120px;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.fastfetch-specs {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 12px;
}

.spec-line {
  display: flex;
  gap: 8px;
}

.spec-key {
  color: var(--accent);
  min-width: 80px;
}

.spec-val {
  color: rgba(255, 255, 255, 0.85);
}

.term-interactive-hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}

.term-quick-cmds {
  display: flex;
  gap: 6px;
}

.term-pill {
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: background 0.2s;
}

.term-pill:hover {
  background: var(--accent);
  color: var(--btn-primary-fg);
}

/* Tagline Reveal Section (B11 Mandatory) */
.tagline-reveal-section {
  padding: 80px 0;
  text-align: center;
}

.reveal-text {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
  max-width: 760px;
  margin: 0 auto;
}

.reveal-word {
  display: inline-block;
  opacity: 0.25;
  transition: opacity 0.5s var(--spring-ease), color 0.5s var(--spring-ease);
}

.reveal-word.active {
  opacity: 1;
  color: var(--fg);
}

/* Features Grid */
.features-section {
  padding: 48px 0;
}

.section-header {
  margin-bottom: 32px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section-desc {
  color: var(--muted);
  font-size: 14px;
  max-width: 580px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.feature-card {
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform 0.3s var(--spring-ease), border-color 0.3s var(--spring-ease), box-shadow 0.3s var(--spring-ease);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-md);
}

.feature-icon-box {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  color: var(--accent);
  margin-bottom: 14px;
}

.feature-icon {
  width: 20px;
  height: 20px;
}

.feature-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.feature-body {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
}

/* Comparison / Benchmark Table */
.benchmark-section {
  padding: 48px 0;
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: 13px;
  text-align: left;
  background: var(--card-bg);
}

.comparison-table th, .comparison-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: var(--panel-bg);
}

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

.comparison-table td.highlight-col {
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-subtle);
}

.check-icon {
  color: #2f7d32;
  font-weight: bold;
}

.cross-icon {
  color: var(--faint);
}

/* FAQ Section */
.faq-section {
  padding: 48px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card-bg);
  overflow: hidden;
  transition: border-color 0.2s var(--spring-ease);
}

.faq-item:hover {
  border-color: var(--border-focus);
}

.faq-question {
  width: 100%;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
}

.faq-arrow {
  transition: transform 0.3s var(--spring-ease);
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 20px 16px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Documentation Layout */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  padding: 32px 0 80px;
}

@media (max-width: 820px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }
  .docs-sidebar {
    display: none;
  }
}

.docs-sidebar {
  position: sticky;
  top: 90px;
  height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 16px;
}

.docs-search {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 13px;
  margin-bottom: 20px;
  outline: none;
  transition: border-color 0.2s;
}

.docs-search:focus {
  border-color: var(--accent);
}

.docs-nav-group {
  margin-bottom: 24px;
}

.docs-nav-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 8px;
}

.docs-nav-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.docs-nav-link {
  display: block;
  font-size: 13px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.2s;
}

.docs-nav-link:hover, .docs-nav-link.active {
  color: var(--fg);
  background: var(--elevated-bg);
}

.docs-content {
  min-width: 0;
}

.docs-article {
  margin-bottom: 60px;
}

.docs-article h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.docs-article h2 {
  font-size: 1.35rem;
  letter-spacing: -0.015em;
  margin-top: 36px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.docs-article h3 {
  font-size: 1.1rem;
  margin-top: 24px;
  margin-bottom: 8px;
}

.docs-article p {
  margin-bottom: 14px;
  color: var(--fg);
  font-size: 14px;
  line-height: 1.7;
}

.docs-article ul, .docs-article ol {
  margin-bottom: 16px;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
}

.docs-article li {
  margin-bottom: 6px;
}

/* Keyboard Shortcut Badges */
kbd {
  display: inline-block;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  color: var(--fg);
  background-color: var(--kbd-bg);
  border: 1px solid var(--kbd-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
  margin: 0 2px;
}

/* Code Blocks */
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto;
  margin-bottom: 16px;
  position: relative;
}

code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--code-bg);
  padding: 2px 5px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

pre code {
  background: none;
  padding: 0;
  border: none;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--elevated-bg);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-copy:hover {
  color: var(--fg);
  border-color: var(--border-focus);
}

/* Releases Page */
.release-card {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.release-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.release-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
}

.release-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.asset-download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.asset-card {
  display: flex;
  flex-direction: column;
  padding: 14px;
  background: var(--elevated-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--spring-ease);
}

.asset-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.asset-name {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 4px;
}

.asset-meta {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 10px;
}

.hash-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--card-bg);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--muted);
}

/* Minimal Footer */
.site-footer {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  color: var(--muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links {
  display: flex;
  gap: 16px;
  font-family: var(--font-mono);
}

.footer-links a:hover {
  color: var(--fg);
}

/* ==========================================================================
   Ambient Spotlight Torch & Micro-Interactions (Apple / Linear Aesthetic)
   ========================================================================== */

/* Ambient Spotlight Torch following the cursor on dark surfaces */
.ambient-spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  background: radial-gradient(
    circle 325px at center,
    rgba(192, 90, 40, 0.07) 0%,
    rgba(192, 90, 40, 0.02) 45%,
    transparent 70%
  );
  transform: translate3d(-1000px, -1000px, 0);
  transition: opacity 0.4s ease, transform 0.05s linear;
  will-change: transform, opacity;
}

:root[data-theme="dark"] .ambient-spotlight {
  background: radial-gradient(
    circle 325px at center,
    rgba(224, 138, 98, 0.09) 0%,
    rgba(224, 138, 98, 0.025) 45%,
    transparent 70%
  );
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ambient-spotlight {
    background: radial-gradient(
      circle 325px at center,
      rgba(224, 138, 98, 0.09) 0%,
      rgba(224, 138, 98, 0.025) 45%,
      transparent 70%
    );
  }
}

/* Card Subtle Interactive Spotlight (Tracks Cursor Position) */
.feature-card,
.asset-card,
.quick-install-box,
.terminal-window,
.release-card {
  position: relative;
  transition: transform 0.24s var(--spring-ease),
              box-shadow 0.24s var(--spring-ease),
              border-color 0.24s ease;
}

.feature-card::before,
.asset-card::before,
.quick-install-box::before,
.terminal-window::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(
    400px circle at var(--mouse-x, -1000px) var(--mouse-y, -1000px),
    var(--border-spotlight),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.feature-card:hover::before,
.asset-card:hover::before,
.quick-install-box:hover::before,
.terminal-window:hover::before {
  opacity: 1;
}

/* Subtle 3D Tilt perspective */
.app-icon-container {
  perspective: 1000px;
  transform-style: preserve-3d;
  transition: transform 0.2s cubic-bezier(0.2, 0, 0.2, 1);
}

.app-icon-img {
  transition: transform 0.2s cubic-bezier(0.2, 0, 0.2, 1), box-shadow 0.2s ease;
}

/* Terminal Caret Animations */
.term-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background-color: var(--accent);
  margin-left: 3px;
  vertical-align: middle;
  border-radius: 1px;
  animation: term-caret-blink 1.06s steps(1) infinite;
}

@keyframes term-caret-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Simulated terminal prompt line styling */
.terminal-interactive-line {
  display: flex;
  align-items: center;
  margin-top: 10px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.terminal-interactive-line:focus-within {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

#term-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--terminal-fg);
  font-family: var(--font-mono);
  font-size: 13px;
  flex: 1;
}

#term-input::placeholder {
  color: var(--muted);
  opacity: 0.85;
}

@media (prefers-reduced-motion: reduce) {
  .ambient-spotlight,
  .feature-card::before,
  .asset-card::before,
  .quick-install-box::before,
  .terminal-window::before {
    display: none !important;
  }
  .term-cursor {
    animation: none !important;
    opacity: 1 !important;
  }
}

@media (pointer: coarse) {
  .ambient-spotlight {
    display: none !important;
  }
}