/* ==========================================================================
   FEATHER MD LANDING PAGE — STYLE ARCHITECTURE (VANILLA CSS)
   ========================================================================== */

/* 1. Theme Configuration System (10 Curated Palettes) */

html[data-theme="snow"] {
  --page-bg: #ffffff;
  --page-text: #1a1a1a;
  --page-text-muted: #636c76;
  --page-border: #d0d7de;
  --page-accent: #0969da;
  --page-accent-muted: rgba(9, 105, 218, 0.1);
  --card-bg: #f6f8fa;
  --editor-bg: #ffffff;
  --preview-bg: #ffffff;
  --titlebar-bg: #f6f8fa;
  --statusbar-bg: #f6f8fa;
  --scrollbar-thumb: #cfd6dd;
  --grid-color: rgba(0, 0, 0, 0.03);
  --glow-color: rgba(9, 105, 218, 0.06);
  --header-bg: rgba(255, 255, 255, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.05);
  --btn-secondary-bg: #f6f8fa;
  --btn-secondary-hover: #ebeef1;
  --syntax-heading: #0550ae;
  --syntax-bold: #1a1a1a;
  --syntax-link: #0969da;
  --syntax-code: #24292f;
  --syntax-code-bg: #f6f8fa;
  --syntax-quote: #636c76;
  --icon-color: #0969da;
  color-scheme: light;
}

html[data-theme="onyx"] {
  --page-bg: #0b0c10;
  --page-text: #f5f5f7;
  --page-text-muted: #8e8e93;
  --page-border: #24252d;
  --page-accent: #00bcd4;
  --page-accent-muted: rgba(0, 188, 212, 0.15);
  --card-bg: #12131a;
  --editor-bg: #0b0c10;
  --preview-bg: #0b0c10;
  --titlebar-bg: #12131a;
  --statusbar-bg: #12131a;
  --scrollbar-thumb: #2d2e38;
  --grid-color: rgba(255, 255, 255, 0.025);
  --glow-color: rgba(0, 188, 212, 0.1);
  --header-bg: rgba(11, 12, 16, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.5);
  --btn-secondary-bg: #12131a;
  --btn-secondary-hover: #1e1f2a;
  --syntax-heading: #00bcd4;
  --syntax-bold: #ffffff;
  --syntax-link: #00bcd4;
  --syntax-code: #e1e1e8;
  --syntax-code-bg: #1a1b24;
  --syntax-quote: #8e8e93;
  --icon-color: #00bcd4;
  color-scheme: dark;
}

html[data-theme="solarized-light"] {
  --page-bg: #fdf6e3;
  --page-text: #586e75;
  --page-text-muted: #93a1a1;
  --page-border: #eee8d5;
  --page-accent: #b58900;
  --page-accent-muted: rgba(181, 137, 0, 0.1);
  --card-bg: #eee8d5;
  --editor-bg: #fdf6e3;
  --preview-bg: #fdf6e3;
  --titlebar-bg: #eee8d5;
  --statusbar-bg: #eee8d5;
  --scrollbar-thumb: #d9d2c0;
  --grid-color: rgba(88, 110, 117, 0.035);
  --glow-color: rgba(181, 137, 0, 0.08);
  --header-bg: rgba(253, 246, 227, 0.85);
  --shadow-color: rgba(88, 110, 117, 0.06);
  --btn-secondary-bg: #eee8d5;
  --btn-secondary-hover: #e2dac2;
  --syntax-heading: #268bd2;
  --syntax-bold: #073642;
  --syntax-link: #2aa198;
  --syntax-code: #586e75;
  --syntax-code-bg: #eee8d5;
  --syntax-quote: #93a1a1;
  --icon-color: #b58900;
  color-scheme: light;
}

html[data-theme="solarized-dark"] {
  --page-bg: #002b36;
  --page-text: #93a1a1;
  --page-text-muted: #586e75;
  --page-border: #073642;
  --page-accent: #2aa198;
  --page-accent-muted: rgba(42, 161, 152, 0.15);
  --card-bg: #073642;
  --editor-bg: #002b36;
  --preview-bg: #002b36;
  --titlebar-bg: #073642;
  --statusbar-bg: #073642;
  --scrollbar-thumb: #0a4756;
  --grid-color: rgba(147, 161, 161, 0.025);
  --glow-color: rgba(42, 161, 152, 0.12);
  --header-bg: rgba(0, 43, 54, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.4);
  --btn-secondary-bg: #073642;
  --btn-secondary-hover: #0c4858;
  --syntax-heading: #268bd2;
  --syntax-bold: #93a1a1;
  --syntax-link: #2aa198;
  --syntax-code: #839496;
  --syntax-code-bg: #073642;
  --syntax-quote: #586e75;
  --icon-color: #2aa198;
  color-scheme: dark;
}

html[data-theme="github-light"] {
  --page-bg: #ffffff;
  --page-text: #24292f;
  --page-text-muted: #57606a;
  --page-border: #d8dee4;
  --page-accent: #0550ae;
  --page-accent-muted: rgba(5, 80, 174, 0.1);
  --card-bg: #f6f8fa;
  --editor-bg: #ffffff;
  --preview-bg: #ffffff;
  --titlebar-bg: #f6f8fa;
  --statusbar-bg: #f6f8fa;
  --scrollbar-thumb: #d8dee4;
  --grid-color: rgba(36, 41, 47, 0.03);
  --glow-color: rgba(5, 80, 174, 0.05);
  --header-bg: rgba(255, 255, 255, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.05);
  --btn-secondary-bg: #f6f8fa;
  --btn-secondary-hover: #ebeef1;
  --syntax-heading: #0550ae;
  --syntax-bold: #24292f;
  --syntax-link: #0969da;
  --syntax-code: #24292f;
  --syntax-code-bg: #f6f8fa;
  --syntax-quote: #57606a;
  --icon-color: #0550ae;
  color-scheme: light;
}

html[data-theme="github-dark"] {
  --page-bg: #0d1117;
  --page-text: #c9d1d9;
  --page-text-muted: #8b949e;
  --page-border: #30363d;
  --page-accent: #58a6ff;
  --page-accent-muted: rgba(88, 166, 255, 0.15);
  --card-bg: #161b22;
  --editor-bg: #0d1117;
  --preview-bg: #0d1117;
  --titlebar-bg: #161b22;
  --statusbar-bg: #161b22;
  --scrollbar-thumb: #30363d;
  --grid-color: rgba(201, 209, 217, 0.025);
  --glow-color: rgba(88, 166, 255, 0.1);
  --header-bg: rgba(13, 17, 23, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.4);
  --btn-secondary-bg: #161b22;
  --btn-secondary-hover: #21262d;
  --syntax-heading: #58a6ff;
  --syntax-bold: #c9d1d9;
  --syntax-link: #58a6ff;
  --syntax-code: #c9d1d9;
  --syntax-code-bg: #161b22;
  --syntax-quote: #8b949e;
  --icon-color: #58a6ff;
  color-scheme: dark;
}

html[data-theme="sepia"] {
  --page-bg: #f4ecd8;
  --page-text: #433422;
  --page-text-muted: #7a6652;
  --page-border: #e4d9c0;
  --page-accent: #9f5b00;
  --page-accent-muted: rgba(159, 91, 0, 0.1);
  --card-bg: #eae0c9;
  --editor-bg: #f4ecd8;
  --preview-bg: #f4ecd8;
  --titlebar-bg: #eae0c9;
  --statusbar-bg: #eae0c9;
  --scrollbar-thumb: #dfd4b8;
  --grid-color: rgba(67, 52, 34, 0.04);
  --glow-color: rgba(159, 91, 0, 0.07);
  --header-bg: rgba(244, 236, 216, 0.85);
  --shadow-color: rgba(67, 52, 34, 0.06);
  --btn-secondary-bg: #eae0c9;
  --btn-secondary-hover: #ded3bb;
  --syntax-heading: #b33a3a;
  --syntax-bold: #3c2f1f;
  --syntax-link: #9f5b00;
  --syntax-code: #433422;
  --syntax-code-bg: #eae0c9;
  --syntax-quote: #7a6652;
  --icon-color: #9f5b00;
  color-scheme: light;
}

html[data-theme="monokai"] {
  --page-bg: #272822;
  --page-text: #f8f8f2;
  --page-text-muted: #75715e;
  --page-border: #3e3d32;
  --page-accent: #f92672;
  --page-accent-muted: rgba(249, 38, 114, 0.15);
  --card-bg: #1e1f1c;
  --editor-bg: #272822;
  --preview-bg: #272822;
  --titlebar-bg: #1e1f1c;
  --statusbar-bg: #1e1f1c;
  --scrollbar-thumb: #3e3d32;
  --grid-color: rgba(248, 248, 242, 0.025);
  --glow-color: rgba(249, 38, 114, 0.12);
  --header-bg: rgba(39, 40, 34, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.5);
  --btn-secondary-bg: #1e1f1c;
  --btn-secondary-hover: #2d2e29;
  --syntax-heading: #a6e22e;
  --syntax-bold: #f8f8f2;
  --syntax-link: #66d9ef;
  --syntax-code: #f8f8f2;
  --syntax-code-bg: #1e1f1c;
  --syntax-quote: #75715e;
  --icon-color: #f92672;
  color-scheme: dark;
}

html[data-theme="gruvbox-light"] {
  --page-bg: #fbf1c7;
  --page-text: #3c3836;
  --page-text-muted: #7c6f64;
  --page-border: #ebdbb2;
  --page-accent: #b16286;
  --page-accent-muted: rgba(177, 98, 134, 0.1);
  --card-bg: #f2e5bc;
  --editor-bg: #fbf1c7;
  --preview-bg: #fbf1c7;
  --titlebar-bg: #f2e5bc;
  --statusbar-bg: #f2e5bc;
  --scrollbar-thumb: #ebdcb0;
  --grid-color: rgba(60, 56, 54, 0.04);
  --glow-color: rgba(177, 98, 134, 0.08);
  --header-bg: rgba(251, 241, 199, 0.85);
  --shadow-color: rgba(60, 56, 54, 0.06);
  --btn-secondary-bg: #f2e5bc;
  --btn-secondary-hover: #e5d8a9;
  --syntax-heading: #458588;
  --syntax-bold: #282828;
  --syntax-link: #b16286;
  --syntax-code: #3c3836;
  --syntax-code-bg: #f2e5bc;
  --syntax-quote: #7c6f64;
  --icon-color: #b16286;
  color-scheme: light;
}

html[data-theme="gruvbox-dark"] {
  --page-bg: #282828;
  --page-text: #ebdbb2;
  --page-text-muted: #a89984;
  --page-border: #3c3836;
  --page-accent: #d3869b;
  --page-accent-muted: rgba(211, 134, 155, 0.15);
  --card-bg: #1d2021;
  --editor-bg: #282828;
  --preview-bg: #282828;
  --titlebar-bg: #1d2021;
  --statusbar-bg: #1d2021;
  --scrollbar-thumb: #3c3836;
  --grid-color: rgba(235, 219, 178, 0.025);
  --glow-color: rgba(211, 134, 155, 0.12);
  --header-bg: rgba(40, 40, 40, 0.85);
  --shadow-color: rgba(0, 0, 0, 0.4);
  --btn-secondary-bg: #1d2021;
  --btn-secondary-hover: #282b2c;
  --syntax-heading: #83a598;
  --syntax-bold: #ebdbb2;
  --syntax-link: #d3869b;
  --syntax-code: #ebdbb2;
  --syntax-code-bg: #1d2021;
  --syntax-quote: #a89984;
  --icon-color: #d3869b;
  color-scheme: dark;
}

/* 2. Global Base Reset & Layout */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--page-bg);
  color: var(--page-text);
  transition: background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Subtle background aesthetics */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
}

.ambient-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
  pointer-events: none;
  z-index: 2;
  transition: background 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  filter: blur(80px);
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--page-accent);
}

/* 3. Typography & Hierarchy */

h1, h2, h3, h4, h5 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p {
  line-height: 1.6;
  font-size: 1.05rem;
}

/* 4. Header & Navigation */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--page-border);
  z-index: 100;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.header-container {
  max-width: 1400px;
  height: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--page-text);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.logo-icon {
  color: var(--page-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-link:hover .logo-icon {
  transform: rotate(-10deg) scale(1.1);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--page-text-muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

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

.download-nav-btn {
  background: var(--page-text);
  color: var(--page-bg);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.download-nav-btn:hover {
  opacity: 0.9;
  color: var(--page-bg);
  transform: translateY(-1px);
}

.download-nav-btn:active {
  transform: translateY(1px);
}

/* 5. Hero Section */

.hero-section {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding-top: 68px;
  padding-bottom: 40px;
  text-align: center;
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--page-accent-muted);
  border: 1px solid var(--page-border);
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 32px;
  animation: fadeInDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-badge {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--page-accent);
}

.hero-badge-separator {
  color: var(--page-border);
  font-size: 0.7rem;
}

.hero-title {
  font-size: 4.8rem;
  font-weight: 800;
  line-height: 1.05;
  color: var(--page-text);
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.55;
  color: var(--page-text-muted);
  max-width: 680px;
  margin: 0 auto 40px auto;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 72px;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.primary-cta {
  background: var(--page-accent);
  color: var(--page-bg);
  box-shadow: 0 4px 20px var(--page-accent-muted);
}

.primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--page-accent-muted);
}

.secondary-cta {
  background: var(--btn-secondary-bg);
  border: 1px solid var(--page-border);
  color: var(--page-text);
}

.secondary-cta:hover {
  background: var(--btn-secondary-hover);
  transform: translateY(-2px);
}

.cta-button:active {
  transform: translateY(1px);
}

/* Metrics Row */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--page-border);
  padding-top: 48px;
  margin-top: 20px;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.metric-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
}

.metric-value {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--page-text);
  letter-spacing: -0.03em;
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--page-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 6. Section Header Utility */

.section-header {
  max-width: 720px;
  margin-bottom: 40px;
  position: relative;
  z-index: 10;
}

.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--page-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: inline-block;
  margin-bottom: 14px;
}

.section-title {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--page-text) 50%, var(--page-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--page-text-muted);
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto;
}

/* 7. Interactive Editor Section (Hero Showcase) */

.editor-section {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 40px;
  box-sizing: border-box;
}

.editor-outer-container {
  background: var(--editor-bg);
  border: 1px solid var(--page-border);
  border-radius: 14px;
  box-shadow: 0 20px 60px var(--shadow-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1200px;
  height: calc(100vh - 280px);
  min-height: 520px;
  max-height: 720px;
  transition: box-shadow 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

/* Title Bar */
.editor-titlebar {
  position: relative; /* Set to relative so absolute children align perfectly */
  height: 38px;
  background: var(--titlebar-bg);
  border-bottom: 1px solid var(--page-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  user-select: none;
  font-size: 0.78rem;
  color: var(--page-text-muted);
  transition: background 0.4s ease, border-color 0.4s ease;
}

.editor-titlebar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 100%;
}

.editor-titlebar-icon {
  color: var(--icon-color);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: transform 150ms cubic-bezier(0.34, 1.56, 0.64, 1),
              background 150ms ease;
}

.editor-titlebar-icon:hover {
  transform: scale(1.08);
  background: var(--page-accent-muted);
}

/* Premium Floating Version Tooltip for Mock Editor */
.editor-titlebar-icon::after {
  content: "v1.9.0"; /* page-version */
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--titlebar-bg);
  color: var(--page-text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--page-border);
  box-shadow: 0 4px 12px var(--shadow-color);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 140ms cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 200;
}

.editor-titlebar-icon:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.editor-menu-dropdown {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.editor-menu-btn {
  background: transparent;
  border: none;
  color: var(--page-text-muted);
  font-family: inherit;
  font-size: 0.78rem;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.editor-menu-btn:hover, .editor-menu-btn.active {
  background: var(--page-border);
  color: var(--page-text);
}

.editor-menu-panel {
  display: none; /* Hide by default to prevent specificity distortion */
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  background: var(--titlebar-bg);
  border: 1px solid var(--page-border);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  min-width: 180px;
  padding: 6px;
  z-index: 120;
  flex-direction: column;
  gap: 2px;
  transform-origin: top left;
}

.editor-menu-panel.open {
  display: flex; /* Mount flex layout only when opened */
  animation: editor-menu-in 120ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes editor-menu-in {
  from { opacity: 0; transform: scale(0.96) translateY(-4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.editor-menu-item {
  background: transparent;
  border: none;
  color: var(--page-text);
  font-family: inherit;
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  gap: 16px;
  transition: background 0.15s ease;
}

.editor-menu-item:hover {
  background: var(--page-accent);
  color: var(--page-bg);
}

.editor-menu-item kbd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  opacity: 0.6;
}

.editor-menu-item:hover kbd {
  color: inherit;
  opacity: 0.9;
}

.editor-menu-item.checkable {
  justify-content: flex-start;
  gap: 8px;
}

.check-icon {
  width: 12px;
  font-size: 0.7rem;
  font-weight: bold;
}

.editor-menu-separator {
  height: 1px;
  background: var(--page-border);
  margin: 4px 0;
}

.menu-group-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--page-text-muted);
  padding: 4px 8px;
}

.editor-header-separator {
  width: 1px;
  height: 14px;
  background: var(--page-border);
}

.editor-font-slider {
  display: flex;
  align-items: center;
  gap: 8px;
}

.font-slider-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  min-width: 32px;
}

.editor-font-slider input[type="range"] {
  -webkit-appearance: none;
  width: 60px;
  height: 3px;
  border-radius: 2px;
  background: var(--page-border);
  outline: none;
  cursor: pointer;
}

.editor-font-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--page-accent);
  transition: transform 0.1s ease;
}

.editor-font-slider input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.editor-titlebar-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-weight: 500;
  pointer-events: none; /* Let clicks pass through if needed */
}

.editor-titlebar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.win-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--page-text-muted);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, transform 100ms ease;
  position: relative;
}

.win-btn svg {
  opacity: 0.8;
  transition: opacity 120ms ease;
}

.win-btn:hover {
  background: var(--page-border);
  color: var(--page-text);
}

.win-btn:active {
  transform: scale(0.92);
}

.win-close:hover {
  background: #ea4335 !important;
  color: #ffffff !important;
}

/* Fullscreen Simulation Mode */
.editor-outer-container.sim-fullscreen {
  position: fixed;
  top: 40px;
  left: 40px;
  right: 40px;
  bottom: 40px;
  height: calc(100vh - 80px) !important;
  z-index: 1500;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.5);
  animation: sim-fullscreen-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes sim-fullscreen-in {
  from { opacity: 0; transform: scale(0.98); }
  to   { opacity: 1; transform: scale(1); }
}

/* Minimized Simulation Mode */
.editor-outer-container.sim-minimized {
  height: 38px !important;
  box-shadow: 0 4px 12px var(--shadow-color);
}

.editor-outer-container.sim-minimized .editor-workspace,
.editor-outer-container.sim-minimized .editor-statusbar {
  display: none !important;
}

/* Closed Simulation Mode overlay */
.editor-closed-state {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--editor-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  gap: 16px;
  animation: editor-closed-in 0.2s ease-out;
}

@keyframes editor-closed-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.closed-state-icon {
  color: var(--page-accent);
  margin-bottom: 8px;
}

.closed-state-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--page-text);
}

.closed-state-btn {
  background: var(--page-accent);
  color: var(--page-bg);
  border: none;
  border-radius: 8px;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--page-accent-muted);
  transition: transform 120ms ease, filter 120ms ease;
  font-family: 'Inter', sans-serif;
}

.closed-state-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.closed-state-btn:active {
  transform: translateY(1px);
}

/* Workspace Frame */
.editor-workspace {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
  background: var(--editor-bg);
}

.editor-pane-left {
  width: 50%;
  height: 100%;
  position: relative;
  display: flex;
  overflow: hidden;
}

.line-numbers-col {
  width: 44px;
  height: 100%;
  border-right: 1px solid var(--page-border);
  background: var(--titlebar-bg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 24px;
  padding: 16px 0;
  text-align: right;
  padding-right: 10px;
  color: var(--page-text-muted);
  user-select: none;
  overflow: hidden;
}

.editor-textarea {
  flex: 1;
  height: 100%;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  font-family: 'JetBrains Mono', 'System Monospace', monospace;
  font-size: 14px;
  line-height: 24px;
  color: var(--page-text);
  padding: 16px;
  overflow-y: auto;
  caret-color: var(--page-accent);
}

/* Workspace Divider */
.editor-workspace-divider {
  width: 8px;
  height: 100%;
  cursor: col-resize;
  position: relative;
  display: flex;
  justify-content: center;
  background: var(--titlebar-bg);
  border-left: 1px solid var(--page-border);
  border-right: 1px solid var(--page-border);
  user-select: none;
  z-index: 10;
}

.divider-line {
  width: 1px;
  height: 100%;
  background: transparent;
  transition: background 0.2s ease;
}

.editor-workspace-divider:hover .divider-line,
.editor-workspace-divider.active .divider-line {
  background: var(--page-accent);
  width: 2px;
}

.editor-pane-right {
  width: 50%;
  height: 100%;
  background: var(--preview-bg);
  overflow-y: auto;
  padding: 16px 32px 32px 32px;
}

/* Markdown Preview Typography Styling */
.preview-content-rendered {
  font-family: 'Inter', sans-serif;
  color: var(--page-text);
  line-height: 1.6;
  font-size: 14px;
}

.preview-content-rendered h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8em;
  font-weight: 700;
  color: var(--syntax-heading);
  margin-top: 0;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--page-border);
}

.preview-content-rendered h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3em;
  font-weight: 600;
  color: var(--syntax-heading);
  margin-top: 24px;
  margin-bottom: 12px;
}

.preview-content-rendered h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1em;
  font-weight: 600;
  color: var(--syntax-heading);
  margin-top: 18px;
  margin-bottom: 8px;
}

.preview-content-rendered p {
  font-size: 0.92em;
  margin-bottom: 16px;
  line-height: 1.6;
  color: var(--page-text);
}

.preview-content-rendered strong {
  font-weight: 600;
  color: var(--syntax-bold);
}

.preview-content-rendered a {
  color: var(--syntax-link);
  text-decoration: none;
  font-weight: 500;
}

.preview-content-rendered a:hover {
  text-decoration: underline;
}

.preview-content-rendered code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: var(--syntax-code-bg);
  color: var(--syntax-code);
  padding: 2px 6px;
  border-radius: 4px;
}

.preview-content-rendered pre {
  background: var(--syntax-code-bg);
  border: 1px solid var(--page-border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 16px;
  overflow-x: auto;
}

.preview-content-rendered pre code {
  padding: 0;
  background: transparent;
  font-size: 0.82em;
}

.preview-content-rendered blockquote {
  border-left: 4px solid var(--page-accent);
  padding-left: 16px;
  margin-left: 0;
  margin-bottom: 16px;
  font-style: italic;
  color: var(--syntax-quote);
}

.preview-content-rendered ul, .preview-content-rendered ol {
  padding-left: 20px;
  margin-bottom: 16px;
}

.preview-content-rendered li {
  margin-bottom: 6px;
  font-size: 0.92em;
}

.preview-content-rendered table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  font-size: 0.88em;
}

.preview-content-rendered th, .preview-content-rendered td {
  border: 1px solid var(--page-border);
  padding: 8px 12px;
  text-align: left;
}

.preview-content-rendered th {
  background: var(--titlebar-bg);
  font-weight: 600;
}

/* Status Bar */
.editor-statusbar {
  height: 24px;
  background: var(--statusbar-bg);
  border-top: 1px solid var(--page-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 0.72rem;
  color: var(--page-text-muted);
  user-select: none;
}

.status-right {
  display: flex;
  align-items: center;
}

.status-sep {
  margin: 0 8px;
  opacity: 0.5;
}

/* 8. Manifesto Section */

.manifesto-section {
  padding: 100px 40px;
  position: relative;
  z-index: 10;
}

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

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
  margin-bottom: 80px;
}

.manifesto-card {
  background: var(--card-bg);
  border: 1px solid var(--page-border);
  border-radius: 12px;
  padding: 36px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.4s ease, 
              box-shadow 0.4s ease;
}

.manifesto-card:hover {
  transform: translateY(-4px);
  border-color: var(--page-accent);
  box-shadow: 0 12px 36px var(--shadow-color);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--page-accent-muted);
  color: var(--page-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.manifesto-card h3 {
  font-size: 1.35rem;
  margin-bottom: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.manifesto-card p {
  font-size: 0.95rem;
  color: var(--page-text-muted);
  line-height: 1.6;
}

/* Interactive Comparisons / Benchmarks */
.benchmarks-container {
  background: var(--card-bg);
  border: 1px solid var(--page-border);
  border-radius: 16px;
  padding: 48px;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.benchmarks-title {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.benchmarks-subtitle {
  color: var(--page-text-muted);
  font-size: 1rem;
  margin-bottom: 40px;
}

.benchmark-bars-group {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.benchmark-metric {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.benchmark-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  font-weight: 500;
}

.benchmark-name {
  color: var(--page-text);
}

.benchmark-val-comp {
  color: var(--page-accent);
  font-weight: 600;
}

.bar-wrapper {
  height: 32px;
  background: var(--page-bg);
  border: 1px solid var(--page-border);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.bar {
  height: 100%;
  display: flex;
  align-items: center;
  padding-left: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 4px;
}

.bar-feather {
  background: var(--page-accent);
  color: var(--page-bg);
}

.bar-electron {
  background: var(--page-border);
  color: var(--page-text-muted);
}

.bar-label {
  white-space: nowrap;
}

/* 9. Themes Section */

.themes-section {
  padding: 100px 40px;
  background: var(--card-bg);
  border-top: 1px solid var(--page-border);
  border-bottom: 1px solid var(--page-border);
  position: relative;
  z-index: 10;
  transition: background 0.4s ease, border-color 0.4s ease;
}

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

.themes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}

.theme-column-title {
  font-size: 1.35rem;
  margin-bottom: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--page-text-muted);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.themes-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.theme-card {
  background: var(--page-bg);
  border: 1px solid var(--page-border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-card:hover {
  transform: translateY(-2px) scale(1.01);
  border-color: var(--page-accent);
  box-shadow: 0 8px 24px var(--shadow-color);
}

.theme-card.active {
  border-color: var(--page-accent);
  box-shadow: 0 0 0 2px var(--page-accent-muted);
}

.theme-preview-dots {
  display: flex;
  gap: 6px;
  padding: 8px;
  border-radius: 6px;
  background: var(--card-bg);
  border: 1px solid var(--page-border);
}

.theme-preview-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.theme-card-info h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.theme-card-info p {
  font-size: 0.85rem;
  color: var(--page-text-muted);
}

/* 10. CLI Terminal OS Section */

.integration-section {
  padding: 100px 40px;
  position: relative;
  z-index: 10;
}

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

.integration-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.integration-content {
  display: flex;
  flex-direction: column;
}

.integration-list {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.integration-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: 1.02rem;
  line-height: 1.5;
}

.integration-list li strong {
  color: var(--page-text);
}

.integration-list li p {
  color: var(--page-text-muted);
}

.li-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--page-accent-muted);
  color: var(--page-accent);
  font-weight: bold;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Terminal Console UI */
.terminal-shell {
  background: #0d0f12;
  border: 1px solid #232830;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  overflow: hidden;
  font-family: 'JetBrains Mono', 'System Monospace', monospace;
  font-size: 0.85rem;
  width: 100%;
}

.terminal-header {
  height: 36px;
  background: #181c24;
  border-bottom: 1px solid #232830;
  display: flex;
  align-items: center;
  padding: 0 16px;
  position: relative;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  color: #7b8394;
  font-size: 0.75rem;
}

.terminal-body {
  padding: 20px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.terminal-line {
  color: #c5c9db;
  line-height: 1.5;
}

.terminal-prompt {
  color: #00e676;
}

.typewriter-text {
  color: #ffffff;
}

.output-line {
  color: #7b8394;
}

.cursor-pulse {
  animation: pulse 1s infinite alternate;
}


/* 12. Footer */

.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--page-border);
  background: var(--page-bg);
  position: relative;
  z-index: 10;
  transition: background 0.4s ease, border-color 0.4s ease;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--page-text-muted);
}

.footer-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--page-text);
  font-weight: 600;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 0.78rem;
  color: var(--page-text-muted);
}


.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

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

.footer-links a {
  color: var(--page-text-muted);
  text-decoration: none;
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

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

.footer-link-divider {
  color: var(--page-border);
  user-select: none;
  font-size: 0.82rem;
}

.copyright {
  font-size: 0.76rem;
  color: var(--page-text-muted);
}

@media (max-width: 900px) {
  .footer-container {
    flex-direction: column;
    gap: 32px;
    text-align: center;
  }
  .footer-left, .footer-right {
    align-items: center;
  }
}

/* 13. Animations & Responsive Specifications */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    opacity: 0.4;
  }
  100% {
    opacity: 1;
  }
}

/* Responsive Overrides */
@media (max-width: 1100px) {
  .hero-title {
    font-size: 3.8rem;
  }
  .manifesto-grid, .downloads-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .themes-grid, .integration-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 20px;
  }
  .main-nav {
    display: none; /* Hide standard links on mobile */
  }
  .hero-section {
    padding-top: 120px;
    padding-bottom: 40px;
  }
  .hero-title {
    font-size: 2.8rem;
  }
  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .editor-section {
    padding: 40px 16px;
  }
  .editor-workspace {
    flex-direction: column;
  }
  .editor-pane-left, .editor-pane-right {
    width: 100% !important;
    height: 50% !important;
  }
  .editor-workspace-divider {
    display: none;
  }
  .requirements-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Custom Modal Overlays for Mock Editor */
.editor-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: editor-modal-fade 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.editor-modal-overlay[hidden] {
  display: none !important;
}

@keyframes editor-modal-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.editor-modal-content {
  background: var(--titlebar-bg);
  border: 1px solid var(--page-border);
  border-radius: 12px;
  width: 90%;
  max-width: 420px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  animation: editor-modal-slide 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes editor-modal-slide {
  from { transform: scale(0.96) translateY(8px); }
  to   { transform: scale(1) translateY(0); }
}

.editor-modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--page-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.editor-modal-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--page-text);
  margin: 0;
  display: flex;
  align-items: center;
}

.editor-modal-close {
  background: transparent;
  border: none;
  color: var(--page-text-muted);
  cursor: pointer;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 150ms ease, color 150ms ease;
}

.editor-modal-close:hover {
  background: var(--page-border);
  color: var(--page-text);
}

.editor-modal-body {
  padding: 20px;
  color: var(--page-text);
}

.editor-modal-footer {
  padding: 14px 20px;
  background: var(--titlebar-bg);
  border-top: 1px solid var(--page-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Shortcuts Table */
.editor-shortcuts-table {
  width: 100%;
  border-collapse: collapse;
}

.editor-shortcuts-table td {
  padding: 8px 0;
  font-size: 0.82rem;
  border-bottom: 1px solid color-mix(in srgb, var(--page-border) 40%, transparent);
  color: var(--page-text);
}

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

.editor-shortcuts-table td:first-child {
  width: 130px;
}

.editor-shortcuts-table kbd {
  background: var(--titlebar-bg);
  border: 1px solid var(--page-border);
  border-radius: 4px;
  box-shadow: 0 1px 1px rgba(0,0,0,0.15);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 2px 5px;
  color: var(--page-text);
  margin: 0 1px;
}

/* Dialog Buttons */
.editor-dialog-btn {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 550;
  padding: 7px 16px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 100ms ease, filter 100ms ease, background 100ms ease;
}

.editor-btn-primary {
  background: var(--page-accent);
  color: var(--page-bg);
  box-shadow: 0 2px 8px var(--page-accent-muted);
}

.editor-btn-danger {
  background: #ea4335;
  color: #ffffff;
}

.editor-btn-secondary {
  background: transparent;
  border-color: var(--page-border);
  color: var(--page-text);
}

.editor-dialog-btn:hover {
  filter: brightness(1.08);
}

.editor-dialog-btn:active {
  transform: scale(0.97);
}

.editor-unsaved-content {
  max-width: 400px;
}

.editor-unsaved-content .editor-modal-body p {
  font-size: 0.85rem;
  color: var(--page-text-muted);
  line-height: 1.5;
}

.editor-about-content {
  max-width: 320px;
}

/* Native Submenu Styles for Mock Editor */
.editor-menu-item.has-submenu {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-right: 8px !important;
}

.editor-submenu-panel {
  position: absolute;
  left: 100%;
  top: -4px;
  background: var(--titlebar-bg);
  border: 1px solid var(--page-border);
  border-radius: 8px;
  padding: 4px;
  display: none;
  flex-direction: column;
  min-width: 150px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  z-index: 500;
}

.editor-menu-item.has-submenu:hover > .editor-submenu-panel {
  display: flex;
}

.editor-submenu-item {
  width: 100%;
  padding: 6px 10px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--page-text);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 100ms ease;
  box-sizing: border-box;
}

.editor-submenu-item:hover {
  background: var(--page-border);
}

.editor-submenu-item .check-icon {
  width: 12px;
  display: inline-block;
  font-weight: bold;
  color: var(--page-accent);
}

.theme-submenu-panel {
  min-width: 175px;
  max-height: 380px;
  overflow-y: auto;
}

.menu-group-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--page-text-muted);
  padding: 6px 8px 4px 8px;
  user-select: none;
}

/* ==========================================================================
   PREMIUM BACKDROP AESTHETICS
   ========================================================================== */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, var(--page-border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--page-border) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  opacity: 0.15;
  z-index: 1;
}

.ambient-glow {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, var(--page-accent-muted) 0%, transparent 65%);
  pointer-events: none;
  z-index: 2;
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  filter: blur(100px);
  opacity: 0.55;
}

/* ==========================================================================
   WHY FEATHER MD HERO CARDS LAYOUT
   ========================================================================== */
.hero-brand-mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--page-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif !important;
  font-size: 5.2rem !important;
  font-weight: 800 !important;
  line-height: 1.12 !important;
  letter-spacing: -0.04em !important;
  background: linear-gradient(135deg, var(--page-text) 50%, var(--page-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  max-width: 900px;
  margin: 0 auto 28px auto !important;
  text-align: center;
}

.hero-subtitle {
  font-size: 1.4rem !important;
  font-weight: 400 !important;
  line-height: 1.65 !important;
  color: var(--page-text-muted) !important;
  max-width: 820px !important;
  margin: 0 auto 48px auto !important;
  text-align: center;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 80px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

.primary-cta {
  background: var(--page-accent) !important;
  color: var(--page-bg) !important;
  border: 1px solid var(--page-accent) !important;
  box-shadow: 0 4px 12px var(--page-accent-muted) !important;
}

.primary-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 24px var(--page-accent-muted) !important;
  opacity: 1 !important;
}

.secondary-cta {
  background: var(--card-bg) !important;
  color: var(--page-text) !important;
  border: 1px solid var(--page-border) !important;
  backdrop-filter: blur(8px);
}

.secondary-cta:hover {
  transform: translateY(-2px) !important;
  border-color: var(--page-accent) !important;
  background: var(--card-bg) !important;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  max-width: 1000px;
  margin: 80px auto 0 auto;
  padding: 36px 0;
  border-top: 1px solid var(--page-border);
  border-bottom: 1px solid var(--page-border);
}

@media (max-width: 768px) {
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    padding: 32px 16px;
  }
}

.hero-stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-stat-value {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--page-accent);
  background: linear-gradient(135deg, var(--page-accent) 40%, var(--page-text) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-stat-item:hover .hero-stat-value {
  transform: translateY(-2px);
}

.hero-stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--page-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ==========================================================================
   FEATURES CAPABILITIES SECTION (Polished Bento Grid)
   ========================================================================== */
.features-section {
  padding: 100px 40px;
  background: var(--page-bg);
  position: relative;
  overflow: hidden;
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.section-tag-mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--page-accent);
  letter-spacing: 0.1em;
  display: inline-block;
  margin-bottom: 12px;
}

.features-clean-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 60px auto 0 auto;
}

.features-column {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.feature-item {
  display: flex;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--page-border);
  align-items: flex-start;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.feature-item:hover {
  transform: translateX(8px);
}

.feature-number {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--page-accent) 40%, var(--page-text) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  width: 70px;
  flex-shrink: 0;
  opacity: 0.85;
}

.feature-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-heading {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--page-text);
  letter-spacing: -0.02em;
}

.feature-text {
  font-size: 1.05rem;
  color: var(--page-text-muted);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 900px) {
  .features-clean-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-column {
    gap: 40px;
  }
  .features-column:first-child .feature-item:last-child {
    border-bottom: 1px solid var(--page-border);
    padding-bottom: 40px;
  }
}

@media (max-width: 640px) {
  .feature-item {
    flex-direction: column;
    gap: 12px;
    padding-bottom: 32px;
  }
  .feature-item:hover {
    transform: none;
  }
  .feature-number {
    font-size: 2.8rem;
    width: auto;
  }
}

/* ==========================================================================
   METRICS COMPARISON SECTION
   ========================================================================== */
.metrics-section {
  padding: 100px 40px;
  background: var(--page-bg);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
}

.metrics-container {
  width: 100%;
  max-width: 1150px;
  margin: 0 auto;
}

.comparison-table-wrapper {
  overflow-x: auto;
  margin-top: 64px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 1.02rem;
}

.comparison-table th, 
.comparison-table td {
  padding: 16px 48px;
  border-bottom: 1px solid var(--page-border);
  border-right: 1px solid var(--page-border);
}

.comparison-table th:last-child, 
.comparison-table td:last-child {
  border-right: none;
}

.comparison-table th {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-weight: 700;
  color: var(--page-text);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-bottom: 2px solid var(--page-border);
}

.comparison-table td {
  color: var(--page-text-muted);
}

.comparison-table td strong {
  color: var(--page-text);
  font-weight: 600;
}

.comparison-table .highlight-column {
  color: var(--page-accent);
  font-weight: 700;
}

.comparison-table th.highlight-column {
  color: var(--page-accent);
}

/* Specs report block */
.specs-report-block {
  margin-top: 56px;
  background: var(--card-bg);
  border: 1px solid var(--page-border);
  border-radius: 8px;
  padding: 32px;
}

.specs-report-title {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--page-text);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--page-border);
  padding-bottom: 12px;
}

.spec-rows-container {
  display: flex;
  flex-direction: column;
}

.spec-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  padding: 12px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--page-border) 40%, transparent);
  font-size: 0.85rem;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-metric {
  color: var(--page-text);
  font-weight: 500;
}

.spec-value {
  font-family: 'JetBrains Mono', monospace;
  color: var(--page-accent);
  font-weight: 600;
}

.spec-target {
  color: var(--page-text-muted);
  text-align: right;
}

@media (max-width: 640px) {
  .spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 16px 0;
  }
  .spec-target {
    text-align: left;
  }
}

/* ==========================================================================
   TECH STACK ARCHITECTURE
   ========================================================================== */
.techstack-section {
  padding: 100px 40px;
  background: var(--page-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
}

.techstack-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.techstack-clean-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 64px;
  border-top: 1px solid var(--page-border);
}

.techstack-item {
  padding: 48px 40px;
  border-right: 1px solid var(--page-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: background 0.3s ease;
}

.techstack-item:last-child {
  border-right: none;
}

.techstack-item:hover {
  background: rgba(255, 255, 255, 0.015);
}

.techstack-number {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--page-accent) 40%, var(--page-text) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.85;
}

.techstack-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.techstack-item-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--page-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.techstack-heading {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--page-text);
  letter-spacing: -0.02em;
}

.techstack-text {
  font-size: 1.02rem;
  color: var(--page-text-muted);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 968px) {
  .techstack-clean-grid {
    grid-template-columns: 1fr;
  }
  .techstack-item {
    border-right: none;
    border-bottom: 1px solid var(--page-border);
    padding: 36px 20px;
  }
  .techstack-item:last-child {
    border-bottom: none;
  }
}

/* ==========================================================================
   DOWNLOADS NATIVE SECTION
   ========================================================================== */
.downloads-section {
  padding: 100px 40px;
  background: var(--page-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
}

.downloads-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.downloads-clean-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 64px;
  border-top: 1px solid var(--page-border);
}

.download-item {
  padding: 64px 40px;
  border-right: 1px solid var(--page-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.download-item:last-child {
  border-right: none;
}

.download-item:hover {
  background: rgba(255, 255, 255, 0.015);
}
.download-number {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--page-accent) 40%, var(--page-text) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.85;
  margin-bottom: 24px;
}

.download-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.download-heading {
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--page-text);
  letter-spacing: -0.02em;
  margin: 0;
}

.download-platform-desc {
  font-size: 0.95rem;
  color: var(--page-text-muted);
  margin: 0 0 4px 0;
}

.download-version {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--page-accent);
  background: rgba(24, 182, 155, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  display: inline-block;
}

.download-action-btn {
  display: inline-block;
  width: 100%;
  max-width: 260px;
  padding: 14px 24px;
  background: var(--page-text);
  color: var(--page-bg);
  border: 1px solid var(--page-text);
  border-radius: 8px;
  font-family: 'Outfit', 'Inter', -apple-system, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.download-action-btn:hover {
  background: var(--page-accent);
  border-color: var(--page-accent);
  color: var(--page-bg);
}

@media (max-width: 968px) {
  .downloads-clean-grid {
    grid-template-columns: 1fr;
  }
  .download-item {
    border-right: none;
    border-bottom: 1px solid var(--page-border);
    padding: 36px 20px;
  }
  .download-item:last-child {
    border-bottom: none;
  }
}