/* ============================================
   Sheet Navigator — Landing Page
   Premium bento-grid design with dark mode toggle
   ============================================ */

/* --- Design Tokens --- */
:root {
  --bg-body: #f8f8f6;
  --bg-surface: #ffffff;
  --bg-elevated: #f3f3f0;
  --bg-inset: #eaeae6;

  --text-primary: #111111;
  --text-secondary: #555555;
  --text-muted: #999999;

  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.16);

  --accent: #107c41;
  --accent-hover: #0b5e30;
  --accent-subtle: rgba(16, 124, 65, 0.08);
  --accent-glow: rgba(16, 124, 65, 0.12);
  --selection-text: #0b5e30;
  --selection-bg: var(--accent-subtle);
  --selection-shadow: none;

  --drag-bg: color-mix(in srgb, #111111 5%, transparent);
  --drop-active-bg: color-mix(in srgb, var(--text-primary) 10%, transparent);

  /* Group Colors - App specific */
  --group-color-green: #8eb892;
  --group-color-blue: #8faecd;
  --group-color-red: #cf8e8e;
  --group-color-purple: #aea7cd;
  --group-color-yellow: #e6c875;

  --key-bg: #ffffff;
  --key-border: rgba(0, 0, 0, 0.12);
  --key-shadow: 0 2px 0 #d4d4d0, 0 3px 4px rgba(0, 0, 0, 0.08);
  --key-shadow-hover: 0 1px 0 #d4d4d0, 0 2px 3px rgba(0, 0, 0, 0.1);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Dark Theme --- */
[data-theme='dark'] {
  --bg-body: #0c0c0e;
  --bg-surface: #161618;
  --bg-elevated: #1c1c20;
  --bg-inset: #222228;

  --text-primary: #f0f0f0;
  --text-secondary: #9a9a9f;
  --text-muted: #555560;

  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);

  --accent: #2dd672;
  --accent-hover: #22b85e;
  --accent-subtle: rgba(45, 214, 114, 0.08);
  --accent-glow: rgba(45, 214, 114, 0.1);
  --selection-text: #39ff94;
  --selection-bg: transparent;
  --selection-shadow: color-mix(in srgb, #39ff94 50%, transparent);

  --drag-bg: color-mix(in srgb, #f0f0f0 5%, transparent);
  --drop-active-bg: color-mix(in srgb, var(--text-primary) 10%, transparent);

  --group-color-green: #8eb892;
  --group-color-blue: #8faecd;
  --group-color-red: #cf8e8e;
  --group-color-purple: #aea7cd;
  --group-color-yellow: #e6c875;

  --key-bg: #222228;
  --key-border: rgba(255, 255, 255, 0.08);
  --key-shadow: 0 2px 0 #111114, 0 3px 4px rgba(0, 0, 0, 0.3);
  --key-shadow-hover: 0 1px 0 #111114, 0 2px 3px rgba(0, 0, 0, 0.35);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

::selection {
  background: var(--selection-bg);
  color: var(--selection-text);
  text-shadow: var(--selection-shadow);
}

::-moz-selection {
  background: var(--selection-bg);
  color: var(--selection-text);
  text-shadow: var(--selection-shadow);
}

/* --- Layout --- */
.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Theme Toggle --- */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.2s var(--ease-out),
    border-color 0.2s,
    background 0.3s;
}

.theme-toggle:hover {
  transform: scale(1.08);
  border-color: var(--border-hover);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  transition: opacity 0.2s;
}

.theme-toggle .icon-moon {
  display: block;
}
.theme-toggle .icon-sun {
  display: none;
}
[data-theme='dark'] .theme-toggle .icon-moon {
  display: none;
}
[data-theme='dark'] .theme-toggle .icon-sun {
  display: block;
}

/* --- Hero Section --- */
.hero {
  text-align: center;
  padding: 120px 0 80px;
}

.hero-logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 36px;
  isolation: isolate;
}

/* Ambient glow behind the icon */
.hero-logo::before {
  content: '';
  position: absolute;
  width: 160px;
  height: 160px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 66%);
  filter: blur(10px);
  opacity: 0.42;
  border-radius: 999px;
  transition:
    opacity 0.35s ease,
    transform 0.35s var(--ease-out);
  z-index: 0;
  pointer-events: none;
}

.hero-logo:hover::before {
  opacity: 0.95;
  transform: translate(-50%, -50%) scale(1.06);
}

.logo-icon {
  position: relative;
  z-index: 1;
  width: 96px;
  height: 96px;
  border-radius: 24px;
  /* Premium Excel green gradient */
  background: linear-gradient(135deg, #1f9c55, #0b5e30);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  /* Multi-layered shadow: color tint drop shadow + inner highlights for 3D feel */
  box-shadow:
    0 16px 32px -8px rgba(16, 124, 65, 0.4),
    0 4px 12px -4px rgba(16, 124, 65, 0.3),
    inset 0 1px 1px rgba(255, 255, 255, 0.3),
    inset 0 -2px 4px rgba(0, 0, 0, 0.2);
  transition:
    transform 0.36s var(--ease-spring),
    box-shadow 0.36s ease;
}

/* Subtle glass/shine overlay on top of the icon */
.logo-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 40%);
  pointer-events: none;
}

.logo-icon svg {
  width: 56px;
  height: 56px;
  /* Tiny drop shadow on the SVG lines themselves for depth */
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  position: relative;
  z-index: 1;
}

.hero-logo:hover .logo-icon {
  transform: translateY(-3px) scale(1.07) rotate(5deg);
  box-shadow:
    0 24px 40px -8px rgba(16, 124, 65, 0.55),
    0 0 22px rgba(16, 124, 65, 0.28),
    inset 0 1px 1px rgba(255, 255, 255, 0.4),
    inset 0 -2px 4px rgba(0, 0, 0, 0.2);
}

/* --- Dark Theme Logo Overrides --- */
[data-theme='dark'] .hero-logo::before {
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--accent) 34%, transparent) 0%,
    transparent 70%
  );
  opacity: 0.34;
}

[data-theme='dark'] .hero-logo:hover::before {
  opacity: 0.95;
}

[data-theme='dark'] .logo-icon {
  /* Neon green gradient matching the dark mode buttons */
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  /* Black shadow with a tiny hint of neon for integration */
  box-shadow:
    0 16px 32px -8px rgba(0, 0, 0, 0.6),
    0 4px 12px -4px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.05),
    inset 0 1px 1px rgba(255, 255, 255, 0.15),
    inset 0 -2px 4px rgba(0, 0, 0, 0.4);
}

[data-theme='dark'] .logo-icon::after {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 40%);
}

[data-theme='dark'] .hero-logo:hover .logo-icon {
  box-shadow:
    0 24px 40px -8px rgba(0, 0, 0, 0.8),
    0 0 26px color-mix(in srgb, var(--accent) 32%, transparent),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 1px 1px rgba(255, 255, 255, 0.2),
    inset 0 -2px 4px rgba(0, 0, 0, 0.4);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent-glow);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.2s var(--ease-out),
    box-shadow 0.2s,
    background 0.2s,
    border-color 0.2s;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ==========================================
   BENTO GRID
   ========================================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}

.bento-cell {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition:
    border-color 0.25s,
    box-shadow 0.25s;
}

.bento-cell:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.bento-wide {
  grid-column: span 8;
}
.bento-narrow {
  grid-column: span 4;
}
.bento-half {
  grid-column: span 6;
}
.bento-full {
  grid-column: span 12;
}

.bento-cell h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.bento-cell > p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.bento-cell .cell-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-subtle);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: transform 0.3s var(--ease-spring);
}

.bento-cell:hover .cell-icon {
  transform: scale(1.08) rotate(3deg);
}

.bento-cell .cell-icon svg {
  width: 22px;
  height: 22px;
}

/* --- Keyboard Shortcuts Visual --- */
.shortcuts-platform-switch {
  margin-top: 18px;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
}

.shortcuts-platform-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  min-width: 128px;
  transition:
    border-color 0.18s ease,
    color 0.18s ease,
    background 0.18s ease;
}

.shortcuts-platform-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.shortcuts-platform-btn:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-subtle);
}

.shortcuts-platform-btn.is-active {
  color: var(--text-primary);
  background: var(--bg-elevated);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent-subtle);
}

.shortcuts-platform-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  padding: 0 6px;
  background: var(--key-bg);
  border: 1px solid var(--key-border);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  box-shadow: var(--key-shadow);
  line-height: 1;
}

.shortcuts-platform-icon {
  width: 14px;
  height: 14px;
  display: block;
}

.shortcuts-platform-copy {
  display: block;
}

.shortcuts-platform-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 650;
  line-height: 1.2;
  color: inherit;
}

.shortcuts-panels {
  margin-top: 14px;
}

.shortcuts-panel[hidden] {
  display: none !important;
}

.shortcuts-visual {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 0;
}

.shortcut-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px 8px 8px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition:
    border-color 0.2s,
    transform 0.2s var(--ease-out);
}

.shortcut-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  padding: 0 6px;
  background: var(--key-bg);
  border: 1px solid var(--key-border);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family:
    'Inter',
    -apple-system,
    sans-serif;
  color: var(--text-primary);
  box-shadow: var(--key-shadow);
  transition:
    transform 0.15s,
    box-shadow 0.15s;
}

.key-wide {
  min-width: 56px;
  font-size: 0.6875rem;
  padding: 0 10px;
}

.shortcut-item:hover .key {
  transform: translateY(-1px);
  box-shadow: var(--key-shadow-hover);
}

/* --- Taskpane Preview (GroupCard mockup) --- */
.taskpane-preview {
  margin-top: 20px;
  background: var(--bg-elevated);
  border-radius: 6px;
  border: 1px solid var(--border);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tp-group {
  border-radius: 4px;
  overflow: hidden;
}

/* Group headers */
.tp-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 0.8125rem;
  color: var(--text-primary);
  cursor: default;
  transition: background 0.15s;
}

.tp-folder {
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* App-style folder background circle */
.tp-folder::before {
  content: '';
  position: absolute;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  z-index: 0;
  opacity: 0.28;
}

.tp-folder svg {
  position: relative;
  z-index: 1;
  color: var(--text-muted);
  opacity: 0.45;
}

[data-theme='dark'] .tp-folder svg {
  color: #b8bbc4;
  opacity: 0.9;
}

/* Group token colors */
.tp-folder-green::before {
  background: var(--group-color-green);
}
.tp-folder-blue::before {
  background: var(--group-color-blue);
}
.tp-folder-purple::before {
  background: var(--group-color-purple);
}
.tp-folder-red::before {
  background: var(--group-color-red);
}
.tp-folder-yellow::before {
  background: var(--group-color-yellow);
}

.tp-group-name {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  font-weight: 400;
}

.tp-sheets {
  padding: 0 0 2px 20px; /* grouped sheets indentation */
}

/* Individual Sheets */
.tp-sheet {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-primary);
  cursor: default;
  transition:
    background 0.15s,
    color 0.15s;
}

.tp-sheet-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  opacity: 0.45;
}

/* Active State */
.tp-sheet.tp-sheet-active {
  background: color-mix(in srgb, var(--text-primary) 2.5%, transparent);
  color: var(--accent);
}

.tp-sheet.tp-sheet-active .tp-sheet-icon {
  color: var(--accent);
  opacity: 1;
}

/* Drag State Preview */
.tp-sheet-dragging {
  opacity: 0.22;
  background: var(--drag-bg) !important;
}

/* Drop Target Preview */
.tp-group-header-drop-active {
  background: var(--drop-active-bg) !important;
}

.tp-insertion-line {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: transparent;
  margin: 2px 0;
}

.tp-insertion-line-active {
  background: var(--accent);
}

/* --- Search Demo --- */
.search-demo {
  margin-top: 20px;
  background: var(--bg-elevated);
  border-radius: 6px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.search-input-fake {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.search-input-fake svg {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-results-fake {
  padding: 6px;
}

.search-result-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-primary);
  transition:
    background 0.15s,
    color 0.15s;
  cursor: default;
}

.search-result-row mark {
  background: none;
  color: var(--accent);
  font-weight: 600;
}

.search-result-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  opacity: 0.45;
}

/* --- Drag & Drop Demo --- */
.drag-demo {
  margin-top: 20px;
  background: var(--bg-elevated);
  border-radius: 6px;
  border: 1px solid var(--border);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* --- Install --- */
.install-card {
  position: relative;
  overflow: hidden;
}

.install-card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(560px 210px at -12% -36%, var(--accent-glow), transparent 70%);
  opacity: 0.42;
}

.install-intro {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.install-platform-switch {
  position: relative;
  z-index: 1;
  margin-top: 22px;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  border-radius: 0;
  border: 0;
  background: transparent;
}

.install-platform-switch[role='tablist'] {
  align-items: stretch;
}

.install-platform-btn-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 650;
  line-height: 1.2;
  color: inherit;
}

.install-platform-btn-meta {
  display: block;
  margin-top: 3px;
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1;
}

.install-platform-btn.is-active .install-platform-btn-meta {
  color: var(--text-secondary);
}

.install-platform-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  padding: 10px 14px 9px;
  border-radius: 8px;
  cursor: pointer;
  min-width: 126px;
  transition:
    border-color 0.18s ease,
    color 0.18s ease,
    background 0.18s ease;
}

.install-platform-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  padding: 0 6px;
  background: var(--key-bg);
  border: 1px solid var(--key-border);
  border-radius: 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-primary);
  box-shadow: var(--key-shadow);
  line-height: 1;
}

.install-platform-icon {
  width: 15px;
  height: 15px;
  display: block;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.install-platform-copy {
  display: block;
}

.install-platform-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.install-platform-btn:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-subtle);
}

.install-platform-btn.is-active {
  color: var(--text-primary);
  background: var(--bg-elevated);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent-subtle);
}

.install-panels {
  margin-top: 18px;
  position: relative;
  z-index: 1;
}

.install-panel[hidden] {
  display: none !important;
}

.install-panel {
  background: color-mix(in srgb, var(--bg-elevated) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}

.install-steps {
  list-style: none;
  display: block;
  margin-top: 0;
}

.install-step {
  display: flex;
  align-items: flex-start;
  padding: 12px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  transition: color 0.18s ease;
}

.install-step:hover {
  color: var(--text-primary);
}

.install-step:last-child {
  border-bottom: 0;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.6875rem;
  margin-right: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}

.step-content {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.55;
}

.step-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.step-content a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

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

.install-step-note {
  display: block;
  margin-top: 7px;
  padding-left: 10px;
  border-left: 1px solid color-mix(in srgb, var(--border-hover) 78%, transparent);
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

code {
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--border);
  font-size: 0.825em;
  font-family: 'SF Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--text-primary);
}

/* --- Footer --- */
.site-footer {
  text-align: center;
  padding: 48px 0 60px;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.discreet-sponsor {
  padding: 12px 22px;
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.discreet-sponsor svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.site-footer .discreet-sponsor {
  width: auto;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
  }
  .hero h1 {
    font-size: 2.25rem;
  }

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

  .bento-wide,
  .bento-narrow,
  .bento-half,
  .bento-full {
    grid-column: span 1;
  }

  .bento-cell {
    padding: 24px 20px;
  }

  .install-platform-switch {
    display: flex;
    width: 100%;
    flex-direction: column;
  }

  .hero-actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }

  .shortcuts-platform-switch {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .shortcuts-platform-btn {
    min-width: 0;
    width: 100%;
  }

  .shortcuts-visual {
    gap: 8px;
  }
  .shortcut-item {
    font-size: 0.75rem;
    padding: 6px 10px 6px 8px;
  }
  .key {
    min-width: 24px;
    height: 24px;
    font-size: 0.6875rem;
  }
  .key-wide {
    min-width: 52px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 80px 0 48px;
  }
  .hero h1 {
    font-size: 1.875rem;
  }
  .logo-icon {
    width: 68px;
    height: 68px;
    border-radius: 18px;
  }
  .logo-icon svg {
    width: 40px;
    height: 40px;
  }
  .bento-cell {
    padding: 20px 16px;
  }
  .theme-toggle {
    top: 14px;
    right: 14px;
    width: 38px;
    height: 38px;
  }
}