/* ==========================================================================
   NOTION BRAND DESIGN SYSTEM - GOTION MARKETING CANVAS (SHARP / ARCHITECTURAL)
   ========================================================================== */

:root,
[data-theme="light"] {
  /* Color Palette - Notion Light Canvas & Warm Soft Paper */
  --color-canvas: #ffffff;              /* Pure White Canvas */
  --color-canvas-alt: #f6f5f4;          /* Notion Warm Soft Paper */
  --color-canvas-soft: #f6f5f4;
  --color-surface: #ffffff;
  --color-surface-1: #ffffff;
  --color-surface-2: #f1f0ee;           /* Lifted hover/active surface */
  --color-surface-3: #e6e5e3;
  --color-surface-4: #dcdad6;

  /* Hairlines & Borders */
  --color-hairline: #e6e6e6;            /* Notion Hairline Border */
  --color-hairline-strong: #d3d1cb;     /* Stronger active border */
  --color-hairline-tertiary: #f0efed;
  --color-hairline-highlight: rgba(0, 0, 0, 0.03);

  /* Brand & Accent (Notion Colors) */
  --color-primary: #0075de;             /* Notion Signature Blue */
  --color-primary-hover: #005bab;       /* Primary Hover */
  --color-primary-active: #005bab;      /* Primary Active */
  --color-primary-focus: #005bab;
  --color-secondary: #213183;           /* Deep Blue Secondary */
  --color-on-primary: #ffffff;

  /* Typography Colors */
  --color-ink: #000000;                 /* Pure Black Headlines */
  --color-ink-secondary: #31302e;       /* Notion Charcoal Body */
  --color-ink-muted: #615d59;           /* Secondary / Subhead */
  --color-ink-faint: #a39e98;           /* Muted meta & placeholders */
  --color-ink-subtle: #615d59;
  --color-ink-tertiary: #a39e98;

  /* Notion Full Accent Palette */
  --color-accent-sky: #62aef0;
  --color-accent-purple: #d6b6f6;
  --color-accent-purple-deep: #391c57;
  --color-accent-pink: #ff64c8;
  --color-accent-orange: #dd5b00;
  --color-accent-orange-deep: #793400;
  --color-accent-teal: #2a9d99;
  --color-accent-green: #1aae39;
  --color-accent-brown: #523410;

  /* Semantic */
  --color-semantic-success: #1aae39;
  --color-semantic-overlay: rgba(0, 0, 0, 0.4);
  --color-nav-bg: rgba(255, 255, 255, 0.94);
  --color-shadow: rgba(0, 0, 0, 0.06);

  /* Aurora Ambient Glow (React Bits Style) */
  --aurora-opacity: 0.16;
  --aurora-blend: multiply;

  /* Typography Stack */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, Menlo, Consolas, monospace;

  /* Spacing Scale (4px Base Unit) */
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 96px;

  /* Border Radius Scale - STRICTLY 0px */
  --rounded-xs: 0px;
  --rounded-sm: 0px;
  --rounded-md: 0px;
  --rounded-lg: 0px;
  --rounded-xl: 0px;
  --rounded-xxl: 0px;
  --rounded-pill: 0px;
  --rounded-full: 0px;

  /* Max Container Width */
  --container-max-width: 1240px;
}

/* Dark Theme Variables (Notion Dark Surface Spec) */
[data-theme="dark"] {
  --color-canvas: #191919;
  --color-canvas-alt: #202020;
  --color-canvas-soft: #202020;
  --color-surface: #191919;
  --color-surface-1: #202020;
  --color-surface-2: #2c2c2c;
  --color-surface-3: #373737;
  --color-surface-4: #434343;

  --color-hairline: #2c2c2c;
  --color-hairline-strong: #3f3f3f;
  --color-hairline-tertiary: #242424;
  --color-hairline-highlight: rgba(255, 255, 255, 0.06);

  --color-primary: #0075de;
  --color-primary-hover: #3598f5;
  --color-primary-active: #005bab;
  --color-primary-focus: #005bab;
  --color-secondary: #7487d6;
  --color-on-primary: #ffffff;

  --color-ink: #ffffff;
  --color-ink-secondary: #e6e6e6;
  --color-ink-muted: #9b9b9b;
  --color-ink-faint: #6d6d6d;
  --color-ink-subtle: #9b9b9b;
  --color-ink-tertiary: #6d6d6d;

  --color-semantic-success: #1aae39;
  --color-semantic-overlay: rgba(0, 0, 0, 0.85);
  --color-nav-bg: rgba(25, 25, 25, 0.94);
  --color-shadow: rgba(0, 0, 0, 0.5);

  /* Aurora Ambient Glow (React Bits Style) */
  --aurora-opacity: 0.22;
  --aurora-blend: screen;
}

/* ==========================================================================
   CUSTOM SCROLLBAR
   ========================================================================== */

html {
  font-size: 16px;
  background-color: var(--color-canvas);
  color: var(--color-ink-secondary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--color-hairline-strong) var(--color-canvas);
  transition: background-color 0.2s ease, color 0.2s ease;
  overflow-x: hidden !important;
  max-width: 100vw;
  width: 100%;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-canvas);
}

::-webkit-scrollbar-thumb {
  background: var(--color-hairline-strong);
  border-radius: 0px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0px !important;
}

body {
  background-color: var(--color-canvas);
  color: var(--color-ink-secondary);
  line-height: 1.5;
  letter-spacing: -0.05px;
  overflow-x: hidden !important;
  max-width: 100vw;
  width: 100%;
  min-height: 100vh;
  position: relative;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

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

ul, ol {
  list-style: none;
}

/* ==========================================================================
   SCROLL PROGRESS BAR
   ========================================================================== */

#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background-color: var(--color-primary);
  width: 0%;
  z-index: 9999;
  transition: width 0.05s ease-out;
}

/* ==========================================================================
   FLOATING SCROLL TO TOP BUTTON
   ========================================================================== */

#scroll-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-hairline-strong);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.15s ease, border-color 0.15s ease;
  box-shadow: 0 4px 16px var(--color-shadow);
}

#scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#scroll-to-top:hover {
  background-color: var(--color-surface-3);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

/* ==========================================================================
   ALTERNATING SECTION BACKGROUNDS (Notion Warm Soft Paper)
   ========================================================================== */

.section-alt {
  background-color: var(--color-canvas-soft);
  border-top: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
}

/* ==========================================================================
   SMOOTH REVEAL ANIMATIONS
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   TYPOGRAPHY SYSTEM
   ========================================================================== */

.display-xl {
  font-size: 76px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2.4px;
  color: var(--color-ink);
}

.display-lg {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.10;
  letter-spacing: -1.6px;
  color: var(--color-ink);
}

.display-md {
  font-size: 38px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -1.0px;
  color: var(--color-ink);
}

.headline {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.20;
  letter-spacing: -0.5px;
  color: var(--color-ink);
}

.card-title {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.3px;
  color: var(--color-ink);
}

.subhead {
  font-size: 19px;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.2px;
  color: var(--color-ink-muted);
}

.body-lg {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.50;
  letter-spacing: -0.1px;
  color: var(--color-ink-muted);
}

.body {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.50;
  letter-spacing: -0.05px;
  color: var(--color-ink-secondary);
}

.body-sm {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.50;
  letter-spacing: 0;
  color: var(--color-ink-muted);
}

.caption {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.40;
  letter-spacing: 0;
  color: var(--color-ink-faint);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.30;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-primary);
}

.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.50;
  letter-spacing: 0;
}

/* ==========================================================================
   BUTTONS (0px Sharp Edge with Notion Colors)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.20;
  letter-spacing: 0;
  padding: 8px 16px;
  min-height: 40px;
  border-radius: 0px;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-primary:active {
  background-color: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

.btn-secondary {
  background-color: var(--color-surface-1);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline);
  box-shadow: inset 0 1px 0 0 var(--color-hairline-highlight);
}

.btn-secondary:hover {
  background-color: var(--color-surface-2);
  border-color: var(--color-hairline-strong);
}

.btn-tertiary {
  background-color: transparent;
  color: var(--color-ink-muted);
}

.btn-tertiary:hover {
  color: var(--color-ink);
  background-color: var(--color-surface-1);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Sharp Badges (No Dots) */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-surface-2);
  color: var(--color-ink-secondary);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.40;
  padding: 3px 8px;
  border: 1px solid var(--color-hairline);
}

.chip-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-hairline);
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-ink-muted);
}

/* ==========================================================================
   FLOATING NAVBAR
   ========================================================================== */

.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: var(--container-max-width);
  z-index: 1000;
  background-color: var(--color-nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-hairline-strong);
  box-shadow: 0 8px 32px var(--color-shadow);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.3px;
  color: var(--color-ink);
}

.brand-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink-muted);
  transition: color 0.15s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.theme-toggle-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: none;
  color: var(--color-ink-muted);
  transition: all 0.15s ease;
  cursor: pointer;
}

.theme-toggle-btn:hover {
  background-color: var(--color-surface-2);
  color: var(--color-ink);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  padding: 6px 8px;
  color: var(--color-ink-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.mobile-menu-btn:hover {
  background-color: var(--color-surface-2);
  color: var(--color-ink);
}

/* ==========================================================================
   HERO SECTION with Architectural Directional Lighting
   ========================================================================== */

.hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 140px;
  padding-bottom: var(--spacing-section);
  text-align: center;
  background-color: var(--color-canvas);
  background-image: radial-gradient(ellipse 70% 45% at 50% -5%, rgba(0, 117, 222, 0.07), transparent 75%);
}

[data-theme="dark"] .hero-section {
  background-image: radial-gradient(ellipse 75% 50% at 50% -5%, rgba(0, 117, 222, 0.14), transparent 75%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Engineering Terminal Spec Tag (Authentic, Non-Slop) */
.hero-spec-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-hairline-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  margin-bottom: var(--spacing-lg);
  color: var(--color-ink-secondary);
  box-shadow: 0 1px 3px var(--color-shadow);
  user-select: none;
}

.spec-tag-cmd {
  color: var(--color-primary);
  font-weight: 600;
}

.spec-tag-sep {
  color: var(--color-hairline-strong);
}

.spec-tag-meta {
  color: var(--color-ink-muted);
}

.hero-eyebrow {
  margin-bottom: var(--spacing-md);
}

.hero-title {
  margin-bottom: var(--spacing-lg);
}

.hero-subhead {
  max-width: 680px;
  margin-bottom: var(--spacing-xl);
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

/* Hero Stats Matrix (Edge-to-Edge Cells - No Dots) */
.hero-stats-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--color-hairline);
  background-color: var(--color-surface-1);
  width: 100%;
  max-width: 780px;
}

.stat-cell {
  padding: 10px 14px;
  border-right: 1px solid var(--color-hairline);
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}

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

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
}

.stat-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
}

/* ==========================================================================
   PRODUCT PROTAGONIST - MONOLITHIC SHOWCASE (Edge-to-Edge)
   ========================================================================== */

/* Hero Peeking Mockup Container */
.hero-peek-wrapper {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 48px auto 0 auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.hero-peek-frame {
  background-color: var(--color-surface-1);
  border: 1px solid var(--color-hairline-strong);
  box-shadow: 0 24px 60px var(--color-shadow);
  max-height: 480px;
  overflow: hidden;
  position: relative;
}

.hero-peek-frame::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 90px;
  background: linear-gradient(to bottom, transparent, var(--color-canvas));
  pointer-events: none;
  z-index: 10;
}

.product-panel {
  background-color: var(--color-surface-1);
  border: 1px solid var(--color-hairline);
  box-shadow: inset 0 1px 0 0 var(--color-hairline-highlight);
  overflow: hidden;
  position: relative;
}

/* Mockup Window */
.mockup-window {
  display: flex;
  flex-direction: column;
  min-height: 520px;
  transition: background-color 0.25s ease, color 0.25s ease;
  font-family: var(--font-sans);
}

/* Notion Custom Frameless Titlebar */
.mockup-titlebar {
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  border-bottom: 1px solid var(--color-hairline);
  user-select: none;
  font-size: 13px;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.titlebar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-toggle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-muted);
  cursor: pointer;
}

.titlebar-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-ink-muted);
}

.titlebar-breadcrumbs .crumb-current {
  color: var(--color-ink);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.titlebar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.notion-btn-share {
  font-size: 12px;
  font-weight: 500;
  padding: 3px 8px;
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-hairline-strong);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 4px;
}

.titlebar-icon-action {
  color: var(--color-ink-muted);
  display: flex;
  align-items: center;
  cursor: pointer;
}

.sharp-window-controls {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 6px;
  padding-left: 8px;
  border-left: 1px solid var(--color-hairline);
}

.win-ctrl-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  border: 1px solid transparent;
  color: var(--color-ink-muted);
  transition: all 0.15s ease;
}

.win-ctrl-btn:hover {
  background-color: var(--color-surface-3);
  color: var(--color-ink);
  border-color: var(--color-hairline);
}

/* Mockup Body Layout */
.mockup-body {
  display: flex;
  flex: 1;
  min-height: 480px;
}

/* Notion Authentic Sidebar */
.mockup-sidebar {
  width: 230px;
  border-right: 1px solid var(--color-hairline);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  transition: background-color 0.25s ease, border-color 0.25s ease;
  user-select: none;
}

.workspace-switcher {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

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

.workspace-avatar {
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}

.sidebar-quick-actions {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sidebar-action-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  color: var(--color-ink-muted);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.sidebar-action-item-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-action-item:hover {
  background-color: var(--color-surface-2);
  color: var(--color-ink);
}

.sidebar-kbd-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 4px;
  background-color: var(--color-surface-3);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink-faint);
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px 2px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}

.sidebar-tree {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sidebar-tree-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  color: var(--color-ink-secondary);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.sidebar-tree-item.active {
  background-color: var(--color-surface-2);
  color: var(--color-ink);
  font-weight: 500;
}

.sidebar-tree-item.sub-item {
  padding-left: 24px;
  font-size: 12px;
  color: var(--color-ink-muted);
}

.sidebar-tree-item:hover {
  background-color: var(--color-surface-2);
}

.tree-chevron {
  font-size: 9px;
  color: var(--color-ink-faint);
  width: 10px;
}

/* Notion Page Canvas */
.mockup-main {
  flex: 1;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
  text-align: left;
}

.workspace-page-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-icon {
  font-size: 40px;
  line-height: 1;
  margin-bottom: 4px;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.6px;
  color: var(--color-ink);
}

/* Notion Callout Block */
.notion-callout-block {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background-color: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-ink-secondary);
}

.callout-icon {
  font-size: 16px;
  flex-shrink: 0;
}

/* Notion Database Table View */
.notion-database-block {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-hairline);
}

.notion-db-tabs-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  background-color: var(--color-surface-2);
  border-bottom: 1px solid var(--color-hairline);
  font-size: 12px;
}

.notion-db-tabs-left {
  display: flex;
  align-items: center;
}

.notion-db-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-weight: 500;
  color: var(--color-ink-muted);
  border-right: 1px solid var(--color-hairline);
  cursor: pointer;
}

.notion-db-tab.active {
  background-color: var(--color-surface-1);
  color: var(--color-ink);
  font-weight: 600;
}

.notion-db-properties-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-ink-faint);
  font-size: 12px;
}

.notion-db-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.notion-db-table th,
.notion-db-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-hairline);
  border-right: 1px solid var(--color-hairline);
}

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

.notion-db-table th {
  background-color: var(--color-surface-2);
  color: var(--color-ink-muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2px;
}

.notion-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 500;
}

.notion-tag-green {
  background-color: rgba(26, 174, 57, 0.12);
  color: #1aae39;
  border: 1px solid rgba(26, 174, 57, 0.25);
}

.notion-tag-red {
  background-color: rgba(221, 91, 0, 0.12);
  color: #dd5b00;
  border: 1px solid rgba(221, 91, 0, 0.25);
}

.notion-tag-blue {
  background-color: rgba(0, 117, 222, 0.12);
  color: #0075de;
  border: 1px solid rgba(0, 117, 222, 0.25);
}

.notion-tag-purple {
  background-color: rgba(116, 135, 214, 0.15);
  color: #7487d6;
  border: 1px solid rgba(116, 135, 214, 0.3);
}

/* Notion Code Block */
.mockup-code-block {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  border: 1px solid var(--color-hairline);
  position: relative;
}

.mockup-code-lang {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--color-ink-faint);
  text-transform: uppercase;
}

/* Dark Theme State for Mockup Window */
.mockup-window.theme-dark {
  background-color: #191919;
  color: #e6e6e6;
}

.mockup-window.theme-dark .mockup-titlebar {
  background-color: #191919;
  border-bottom-color: #2c2c2c;
  color: #e6e6e6;
}

.mockup-window.theme-dark .mockup-sidebar {
  background-color: #202020;
  border-right-color: #2c2c2c;
}

.mockup-window.theme-dark .sidebar-tree-item.active,
.mockup-window.theme-dark .sidebar-action-item:hover,
.mockup-window.theme-dark .workspace-switcher:hover {
  background-color: #2c2c2c;
  color: #ffffff;
}

.mockup-window.theme-dark .notion-callout-block {
  background-color: #202020;
  border-color: #2c2c2c;
  color: #e6e6e6;
}

.mockup-window.theme-dark .notion-database-block {
  border-color: #2c2c2c;
}

.mockup-window.theme-dark .notion-db-tabs-bar {
  background-color: #202020;
  border-bottom-color: #2c2c2c;
}

.mockup-window.theme-dark .notion-db-tab.active {
  background-color: #191919;
  color: #ffffff;
}

.mockup-window.theme-dark .notion-db-table th {
  background-color: #202020;
  color: #9b9b9b;
  border-color: #2c2c2c;
}

.mockup-window.theme-dark .notion-db-table td {
  border-color: #2c2c2c;
  color: #e6e6e6;
}

.mockup-window.theme-dark .mockup-code-block {
  background-color: #131313;
  border-color: #2c2c2c;
  color: #d0d6e0;
}

/* Light Theme State for Mockup Window (Notion Authentic Warm White) */
.mockup-window.theme-light {
  background-color: #ffffff;
  color: #31302e;
}

.mockup-window.theme-light .mockup-titlebar {
  background-color: #f6f5f4;
  border-bottom-color: #e6e6e6;
  color: #31302e;
}

.mockup-window.theme-light .mockup-sidebar {
  background-color: #f6f5f4;
  border-right-color: #e6e6e6;
}

.mockup-window.theme-light .sidebar-tree-item.active,
.mockup-window.theme-light .sidebar-action-item:hover,
.mockup-window.theme-light .workspace-switcher:hover {
  background-color: #eceae7;
  color: #000000;
}

.mockup-window.theme-light .notion-callout-block {
  background-color: #f6f5f4;
  border-color: #e6e6e6;
  color: #31302e;
}

.mockup-window.theme-light .notion-database-block {
  border-color: #e6e6e6;
}

.mockup-window.theme-light .notion-db-tabs-bar {
  background-color: #f6f5f4;
  border-bottom-color: #e6e6e6;
}

.mockup-window.theme-light .notion-db-tab.active {
  background-color: #ffffff;
  color: #000000;
}

.mockup-window.theme-light .notion-db-table th {
  background-color: #f6f5f4;
  color: #615d59;
  border-color: #e6e6e6;
}

.mockup-window.theme-light .notion-db-table td {
  border-color: #e6e6e6;
  color: #31302e;
}

.mockup-window.theme-light .mockup-code-block {
  background-color: #f6f5f4;
  border-color: #e6e6e6;
  color: #31302e;
}

/* ==========================================================================
   BENCHMARK MATRIX (Edge-to-Edge Connected Split Panel)
   ========================================================================== */

.benchmark-section {
  padding-top: var(--spacing-section);
  padding-bottom: var(--spacing-section);
  background-color: var(--color-canvas);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--spacing-xxl) auto;
}

.section-eyebrow {
  margin-bottom: var(--spacing-xs);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-desc {
  color: var(--color-ink-muted);
}

/* Edge-to-Edge Matrix Container */
.benchmark-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--color-hairline);
  background-color: var(--color-surface-1);
}

.benchmark-col {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.benchmark-col:first-child {
  border-right: 1px solid var(--color-hairline);
}

.benchmark-col.highlighted {
  background-color: var(--color-surface-2);
}

.col-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-hairline);
}

.benchmark-rows {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.benchmark-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-hairline-tertiary);
}

.benchmark-label {
  font-size: 14px;
  color: var(--color-ink-muted);
}

.benchmark-val {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
}

.benchmark-val.success-val {
  color: var(--color-semantic-success);
}

.benchmark-val.muted-val {
  color: var(--color-ink-faint);
}

/* ==========================================================================
   FEATURES GRID (Edge-to-Edge Unified Matrix)
   ========================================================================== */

.features-section {
  padding-top: var(--spacing-section);
  padding-bottom: var(--spacing-section);
}

.features-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-hairline);
  background-color: var(--color-surface-1);
}

.feature-cell {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  border-right: 1px solid var(--color-hairline);
  border-bottom: 1px solid var(--color-hairline);
  transition: background-color 0.15s ease;
}

.feature-cell:nth-child(3n) {
  border-right: none;
}

.feature-cell:nth-child(n+4) {
  border-bottom: none;
}

.feature-cell:hover {
  background-color: var(--color-surface-2);
}

.feature-icon-box {
  width: 36px;
  height: 36px;
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.feature-cell .card-title {
  color: var(--color-ink);
}

.feature-cell .body-sm {
  color: var(--color-ink-muted);
  line-height: 1.6;
}

/* ==========================================================================
   MULTI-PLATFORM DOWNLOAD MATRIX (Edge-to-Edge Matrix)
   ========================================================================== */

.download-section {
  padding-top: var(--spacing-section);
  padding-bottom: var(--spacing-section);
  background-color: var(--color-canvas);
}

.download-container {
  background-color: var(--color-surface-1);
  border: 1px solid var(--color-hairline);
  box-shadow: inset 0 1px 0 0 var(--color-hairline-highlight);
}

.download-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--color-hairline);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.os-tabs-nav {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
}

.os-tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  min-height: 40px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-muted);
  border-right: 1px solid var(--color-hairline);
  transition: all 0.15s ease;
}

.os-tab-btn:last-child {
  border-right: none;
}

.os-tab-btn.active {
  background-color: var(--color-surface-2);
  color: var(--color-primary);
  font-weight: 600;
}

.os-tab-content {
  display: none;
}

.os-tab-content.active {
  display: block;
}

.packages-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--color-hairline);
}

.package-cell {
  background-color: var(--color-surface-1);
  padding: var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  border-right: 1px solid var(--color-hairline);
}

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

.package-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.package-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
}

.package-desc {
  font-size: 12px;
  color: var(--color-ink-muted);
}

.package-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.checksum-panel {
  background-color: var(--color-canvas-soft);
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  overflow: hidden;
}

.checksum-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  overflow: hidden;
  min-width: 0;
  flex: 1;
}

.checksum-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-ink-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ==========================================================================
   FULLSCREEN MOBILE NAVIGATION MODAL
   ========================================================================== */

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-canvas);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s ease;
  pointer-events: none;
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

body.menu-open {
  overflow: hidden !important;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-hairline);
}

.mobile-nav-close-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 18px;
  border: 1px solid var(--color-hairline-strong);
  background-color: var(--color-surface-1);
  color: var(--color-ink);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.mobile-nav-close-btn:hover {
  background-color: var(--color-surface-2);
  color: var(--color-primary);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: auto;
  margin-bottom: auto;
  padding-top: 24px;
  padding-bottom: 24px;
}

.mobile-nav-link {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.8px;
  transition: color 0.15s ease, transform 0.15s ease;
  display: inline-block;
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
  color: var(--color-primary);
  transform: translateX(4px);
}

.mobile-nav-footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-hairline);
}

.mobile-nav-cta {
  width: 100%;
  height: 44px;
  font-size: 14px;
  font-weight: 600;
}

.mobile-nav-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
}

/* ==========================================================================
   FOOTER (Clean & Minimalist Layout)
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-hairline);
  padding: 48px 32px;
  background-color: var(--color-canvas-soft);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 460px;
}

.footer-desc {
  font-size: 13px;
  color: var(--color-ink-muted);
}

.footer-disclaimer {
  font-size: 11.5px;
  color: var(--color-ink-faint);
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-muted);
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (Natural Multi-Column & Balanced Hierarchy)
   ========================================================================== */

@media (max-width: 1024px) {
  .display-xl {
    font-size: 56px;
    letter-spacing: -1.6px;
  }

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

  .features-matrix .feature-cell:nth-child(3n) {
    border-right: 1px solid var(--color-hairline);
  }

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

  .features-matrix .feature-cell:nth-child(n+5) {
    border-bottom: none;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-section: 44px;
  }

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .display-xl {
    font-size: 28px;
    line-height: 1.15;
    letter-spacing: -0.6px;
  }

  .display-lg {
    font-size: 22px;
    line-height: 1.20;
    letter-spacing: -0.5px;
  }

  .display-md {
    font-size: 19px;
    line-height: 1.25;
    letter-spacing: -0.4px;
  }

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

  .section-eyebrow {
    font-size: 10.5px;
    margin-bottom: 4px;
  }

  .section-title {
    margin-bottom: 6px;
  }

  .section-desc {
    font-size: 12px;
    line-height: 1.45;
  }

  /* Floating Header: Comfortable Inset Gutters */
  .site-header {
    top: 10px;
    left: 16px;
    right: 16px;
    width: auto;
    max-width: calc(100vw - 32px);
    transform: none;
  }

  .nav-inner {
    height: 44px;
    padding-left: 10px;
    padding-right: 10px;
  }

  .brand-mark {
    font-size: 13.5px;
    gap: 6px;
  }

  .brand-icon {
    width: 18px;
    height: 18px;
  }

  .nav-actions .btn-primary {
    min-height: 32px;
    padding: 4px 10px;
    font-size: 12px;
  }

  .nav-links {
    display: none !important;
  }

  .mobile-menu-btn {
    display: flex;
    padding: 4px;
  }

  /* Hero Section */
  .hero-section {
    padding-top: 88px;
    padding-bottom: var(--spacing-section);
  }

  /* Spec Tag: Compact */
  .hero-spec-tag {
    font-size: 10.5px;
    padding: 2px 8px;
    margin-bottom: 10px;
    max-width: 100%;
  }

  .hero-spec-tag .spec-tag-sep,
  .hero-spec-tag .spec-tag-meta {
    display: none !important;
  }

  .hero-subhead {
    font-size: 13px;
    line-height: 1.45;
    margin-bottom: 16px;
  }

  /* Hide Mockup UI on mobile */
  .hero-peek-wrapper {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
  }

  /* Hero CTAs */
  .hero-ctas {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: 18px;
  }

  .hero-ctas .btn {
    min-height: 36px;
    padding: 6px 12px;
    font-size: 12px;
  }

  /* Hero Stats: 2x2 Compact Grid */
  .hero-stats-matrix {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    max-width: 480px;
  }

  .stat-cell {
    padding: 6px 10px;
  }

  .stat-label {
    font-size: 9.5px;
  }

  .stat-value {
    font-size: 11.5px;
  }

  .hero-stats-matrix .stat-cell:nth-child(1),
  .hero-stats-matrix .stat-cell:nth-child(2) {
    border-bottom: 1px solid var(--color-hairline);
  }

  .hero-stats-matrix .stat-cell:nth-child(2) {
    border-right: none;
  }

  .hero-stats-matrix .stat-cell:nth-child(4) {
    border-right: none;
  }

  /* ==========================================================================
     SIMPLIFIED MOBILE BENCHMARK (Gotion Prominent + Streamlined Baseline)
     ========================================================================== */
  .benchmark-matrix {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-hairline);
  }

  /* Highlighted Gotion Client on Top */
  .benchmark-col.highlighted {
    order: 1;
    padding: 14px 12px;
    gap: 8px;
    background-color: var(--color-surface-2);
    border-bottom: 1px solid var(--color-hairline);
  }

  .benchmark-col.highlighted .col-header-bar {
    padding-bottom: 8px;
  }

  .benchmark-col.highlighted .card-title {
    font-size: 14px;
    font-weight: 700;
  }

  /* Electron Shell Baseline Collapsed at Bottom */
  .benchmark-col:first-child {
    order: 2;
    border-right: none;
    border-bottom: none;
    padding: 12px;
    gap: 6px;
    background-color: var(--color-surface-1);
    opacity: 0.75;
  }

  .benchmark-col:first-child .col-header-bar {
    padding-bottom: 6px;
  }

  .benchmark-col:first-child .card-title {
    font-size: 12px;
    color: var(--color-ink-muted);
  }

  .benchmark-col:first-child .status-badge {
    font-size: 9.5px;
    padding: 1px 5px;
  }

  .benchmark-rows {
    gap: 6px;
  }

  .benchmark-row {
    padding-bottom: 5px;
  }

  .benchmark-label {
    font-size: 11px;
  }

  .benchmark-val {
    font-size: 11px;
  }

  /* HIDE CORE CAPABILITIES ON MOBILE (Per user directive) */
  .features-section {
    display: none !important;
  }

  /* ==========================================================================
     MATURE, SPACIOUS MOBILE DOWNLOAD MATRIX (Horizontal Rows + Icon Action)
     ========================================================================== */
  .download-container {
    border: 1px solid var(--color-hairline);
    background-color: var(--color-surface-1);
  }

  .download-header {
    padding: 16px;
    gap: 12px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .download-header .headline {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 2px;
  }

  .download-header .body-sm {
    font-size: 11.5px;
    line-height: 1.45;
  }

  .os-tabs-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    max-width: 100%;
  }

  .os-tab-btn {
    height: 36px;
    min-height: 36px;
    padding: 0 8px;
    font-size: 11.5px;
    font-weight: 500;
    gap: 6px;
    justify-content: center;
  }

  .os-tab-btn svg {
    width: 13px;
    height: 13px;
  }

  .packages-matrix {
    display: flex;
    flex-direction: column;
  }

  /* Package Cell: Natural Horizontal Row (Not forced 1-col block) */
  .package-cell {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-right: none;
    border-bottom: 1px solid var(--color-hairline);
  }

  .package-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
  }

  .package-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-ink);
    line-height: 1.25;
  }

  .package-desc {
    font-size: 11px;
    color: var(--color-ink-muted);
    line-height: 1.35;
  }

  .package-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 3px;
  }

  .package-meta .status-badge {
    font-size: 9.5px;
    padding: 1px 6px;
  }

  .package-meta .caption {
    font-size: 10.5px;
    color: var(--color-ink-faint);
  }

  /* ICON-ONLY DOWNLOAD BUTTON ON MOBILE (Hide text label) */
  .pkg-btn-text {
    display: none !important;
  }

  .pkg-download-btn {
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .pkg-download-btn svg {
    width: 16px;
    height: 16px;
  }

  /* Checksum Bar: Horizontal Row with Icon-Only Copy Button */
  .checksum-panel {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
  }

  .checksum-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 0;
    flex: 1;
  }

  .checksum-code {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 10px;
    color: var(--color-ink-secondary);
    max-width: 100%;
    line-height: 1.35;
  }

  .copy-btn-text {
    display: none !important;
  }

  .checksum-panel .copy-btn {
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  /* Footer: Clean & Minimalist Mobile Layout */
  .site-footer {
    padding: 32px 20px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .footer-left {
    gap: 4px;
  }

  .footer-desc {
    font-size: 12px;
  }

  .footer-disclaimer {
    font-size: 10.5px;
    line-height: 1.4;
  }

  .footer-links {
    gap: 14px;
    padding-top: 4px;
  }

  .footer-link {
    font-size: 12px;
  }
}

@media (max-width: 420px) {
  .display-xl {
    font-size: 26px;
  }

  .hero-ctas .btn {
    width: 100%;
  }
}