:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --surface-hover: #e2e8f0;
  --ink: #0b1329;
  --ink-secondary: #1e293b;
  --muted: #475569;
  --muted-light: #94a3b8;
  --line: #e2e8f0;
  --line-subtle: #edf2f7;
  
  --brand-cyan: #06b6d4;
  --brand-blue: #2563eb;
  --brand-blue-hover: #1d4ed8;
  --brand-blue-light: #eff6ff;
  --brand-indigo: #4f46e5;
  --brand-orange: #ea580c;
  --brand-green: #10b981;

  --tech-glow: rgba(37, 99, 235, 0.08);
  --tech-cyan-glow: rgba(6, 182, 212, 0.12);

  --shell: min(1180px, calc(100% - 48px));
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(15, 23, 42, 0.04);
  --shadow-mockup: 0 28px 72px -16px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(15, 23, 42, 0.05);
  --shadow-tech: 0 8px 30px -4px rgba(37, 99, 235, 0.12);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  margin: 0;
  color: var(--ink-secondary);
  background-color: var(--bg);
  background-image: 
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37, 99, 235, 0.07), transparent 70%),
    linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 100;
  padding: 10px 16px; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); transform: translateY(-160%); transition: transform .2s;
}
.skip-link:focus { transform: translateY(0); }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  transform: translateY(0);
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), background 0.2s, box-shadow 0.2s, border-color 0.2s;
  will-change: transform;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px -4px rgba(15, 23, 42, 0.1), 0 0 0 1px rgba(37, 99, 235, 0.08);
}
.site-header.is-hidden {
  transform: translateY(-100%);
}
body {
  padding-top: 70px;
}
.header-inner {
  min-height: 70px; display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.12rem; color: var(--ink);
  letter-spacing: -0.02em; flex-shrink: 0;
}
.brand img { border-radius: 6px; }

.primary-nav {
  display: flex; align-items: center; gap: 28px;
}
.primary-nav a {
  color: var(--muted); font-size: 0.92rem; font-weight: 500;
  transition: color 0.15s ease;
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] {
  color: var(--ink);
}

.language-switcher { position: relative; }
.language-switcher summary {
  display: flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 0.88rem; font-weight: 500;
  cursor: pointer; list-style: none; user-select: none;
  padding: 6px 10px; border-radius: 6px; transition: background .15s, color .15s;
}
.language-switcher summary:hover {
  color: var(--ink); background: var(--surface-alt);
}
.language-icon {
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.language-switcher summary::-webkit-details-marker { display: none; }
.language-switcher summary::after { content: "\203A"; display: inline-block; transform: rotate(90deg); font-size: 0.9rem; line-height: 1; flex-shrink: 0; }
.language-menu {
  position: absolute; top: calc(100% + 8px); right: 0; width: 160px;
  display: grid; padding: 6px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow-lg); z-index: 60;
}
.language-menu a {
  padding: 7px 10px; color: var(--muted); border-radius: 6px; font-size: 0.86rem;
}
.language-menu a:hover, .language-menu a[aria-current="true"] {
  color: var(--ink); background: var(--surface-alt); font-weight: 600;
}
.menu-toggle {
  display: none; width: 44px; height: 44px; padding: 10px;
  border: 0; background: transparent; cursor: pointer; border-radius: 8px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.menu-toggle:hover { background: var(--surface-alt); }
.menu-toggle .bar {
  display: block; width: 20px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(2) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(3) {
  opacity: 0;
  transform: scaleX(0);
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(4) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Breadcrumb Navigation */
.breadcrumb {
  padding: 18px 0 10px; margin-bottom: 8px;
}
.breadcrumb ol {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin: 0; padding: 0; list-style: none; font-size: 0.86rem; color: var(--muted);
}
.breadcrumb a {
  color: var(--muted); text-decoration: none; transition: color .15s;
}
.breadcrumb a:hover {
  color: var(--ink); text-decoration: underline; text-underline-offset: 3px;
}
.breadcrumb .separator {
  color: var(--muted-light); user-select: none; font-size: 0.8rem;
}
.breadcrumb [aria-current="page"] {
  color: var(--ink); font-weight: 600;
}

/* Buttons & Links */
.button {
  min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 0 20px; border: 1px solid transparent; border-radius: var(--radius-sm);
  font-size: 0.90rem; font-weight: 600; text-decoration: none; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 4px 14px rgba(37, 99, 235, 0.3);
}
.button-primary:hover {
  background: linear-gradient(135deg, #1e40af, #1d4ed8);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08), 0 6px 20px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}
.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.button-secondary:hover {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
  transform: translateY(-1px);
}
.button-dark {
  color: #ffffff;
  background: linear-gradient(135deg, #0b1329, #1e293b);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 8px rgba(11, 19, 41, 0.2);
}
.button-dark:hover {
  background: linear-gradient(135deg, #020617, #0f172a);
  box-shadow: 0 4px 14px rgba(11, 19, 41, 0.35);
  transform: translateY(-1px);
}
.btn-icon { flex-shrink: 0; }
.text-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--brand-blue); font-size: 0.90rem; font-weight: 600;
  white-space: nowrap; flex-shrink: 0;
  transition: gap 0.2s ease, color 0.15s ease;
}
.text-link:hover {
  color: var(--brand-blue-hover);
}

/* Eyebrows & Badges */
.eyebrow, .section-index {
  margin: 0 0 14px;
  color: var(--brand-blue);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 12px;
  background: rgba(37, 99, 235, 0.05);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: 9999px;
  color: var(--ink-secondary);
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.04);
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-cyan); display: inline-block;
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.6);
  animation: pulse-dot 2s infinite ease-in-out;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}
.pill-badge {
  display: inline-block; padding: 2px 10px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  color: var(--brand-blue);
  border-radius: 9999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 8px;
}

/* Hero Brand Section */
.hero-brand {
  padding-top: 72px; padding-bottom: 80px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  position: relative;
}
.hero-brand-heading {
  margin: 18px 0 0; font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  line-height: 1.06; letter-spacing: -0.045em; font-weight: 700;
  color: var(--ink); max-width: 780px;
}
.hero-brand-heading em {
  font-style: normal;
  background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-brand-summary {
  max-width: 560px; margin: 22px auto 0; color: var(--muted);
  font-size: 1.1rem; line-height: 1.65;
}
.hero-product-pills {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 40px;
}
.hero-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 18px 10px 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.96rem; font-weight: 600; color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative; overflow: hidden;
}
.hero-pill::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(6,182,212,0.04));
  opacity: 0; transition: opacity 0.2s;
}
.hero-pill:hover {
  border-color: rgba(37,99,235,0.35);
  box-shadow: 0 6px 20px rgba(37,99,235,0.12);
  transform: translateY(-2px);
}
.hero-pill:hover::before { opacity: 1; }
.hero-pill-lithepic:hover {
  border-color: rgba(6,182,212,0.4);
  box-shadow: 0 6px 20px rgba(6,182,212,0.14);
}
.hero-pill-badge {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--brand-blue); background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.18);
  padding: 2px 8px; border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
.hero-brand-cta {
  margin-top: 36px;
}

/* macOS Window Mockup */
.hero-mockup {
  position: relative; perspective: 1000px; width: 100%;
}
.hero-mockup::before {
  content: "";
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle at 60% 40%, rgba(37, 99, 235, 0.12), rgba(6, 182, 212, 0.08), transparent 70%);
  border-radius: 28px;
  filter: blur(24px);
  z-index: -1;
  pointer-events: none;
}
.mac-window {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 14px;
  box-shadow: var(--shadow-mockup);
  overflow: hidden; font-size: 13px; line-height: 1.5;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}
.mac-window:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 32px 72px -16px rgba(15, 23, 42, 0.18), 0 0 24px rgba(37, 99, 235, 0.12);
}
.mac-titlebar {
  height: 40px;
  background: linear-gradient(to bottom, #ffffff, #f8fafc);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; padding: 0 14px; position: relative;
}
.mac-traffic-lights {
  display: flex; gap: 7px; flex-shrink: 0;
}
.mac-light {
  width: 11px; height: 11px; border-radius: 50%; display: inline-block;
}
.mac-light.red { background: #ff5f57; border: 1px solid #e0443e; }
.mac-light.yellow { background: #febc2e; border: 1px solid #d89e24; }
.mac-light.green { background: #28c840; border: 1px solid #1aab29; }
.mac-title {
  margin: 0 auto; color: var(--muted); font-size: 12px; font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding: 0 10px;
}
.mac-badge {
  font-size: 11px; color: var(--brand-blue);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 2px 8px; border-radius: 4px; font-weight: 600; flex-shrink: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.mac-body {
  display: grid; grid-template-columns: 170px 1fr; min-height: 280px;
}
.mac-sidebar {
  background: #fbfcfd; border-right: 1px solid var(--line); padding: 14px 10px;
}
.mac-sidebar-header {
  display: flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 10px;
}
.mac-file-tree {
  list-style: none; margin: 0; padding: 0; display: grid; gap: 2px;
}
.mac-file-tree li {
  padding: 5px 8px; border-radius: 5px; color: var(--muted); cursor: pointer;
  display: flex; align-items: center; gap: 6px; font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  transition: all 0.15s ease;
}
.mac-file-tree li:hover {
  background: rgba(15, 23, 42, 0.03);
  color: var(--ink);
}
.mac-file-tree li.active {
  background: var(--brand-blue-light); color: var(--brand-blue); font-weight: 600;
}
.mac-file-tree .tree-icon { font-size: 10px; color: var(--muted-light); }
.mac-file-tree li.active .tree-icon { color: var(--brand-blue); }

.mac-editor {
  display: flex; flex-direction: column; justify-content: space-between;
  background: #ffffff; padding: 22px 24px; min-width: 0;
}
.mockup-content h2 {
  margin: 0 0 10px; font-size: 1.16rem; font-weight: 700; color: var(--ink);
  letter-spacing: -0.02em;
}
.mockup-content p {
  margin: 0 0 14px; font-size: 13px; color: var(--muted); line-height: 1.55;
}
.mockup-math {
  background: #f8fafc;
  border-left: 3px solid var(--brand-cyan);
  border-top: 1px solid var(--line-subtle);
  border-right: 1px solid var(--line-subtle);
  border-bottom: 1px solid var(--line-subtle);
  padding: 8px 12px; border-radius: 4px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; color: #0284c7; margin-bottom: 14px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.mockup-code {
  background: #090e1a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.5);
  color: #38bdf8; padding: 10px 14px; border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; line-height: 1.6;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.code-kw { color: #f472b6; }
.code-str { color: #38bdf8; }
.mac-statusbar {
  margin-top: 18px; padding-top: 10px; border-top: 1px solid var(--line-subtle);
  font-size: 11px; color: var(--muted-light); display: flex; justify-content: flex-end;
}

/* Sections General */
.tool-spotlight, .games-section, .principles, .maker-section {
  padding-block: 88px;
}
.section-heading {
  max-width: 820px; margin-bottom: 44px;
}
.section-heading h2 {
  margin: 0 0 12px; font-size: clamp(2rem, 3.8vw, 3.2rem);
  line-height: 1.1; letter-spacing: -0.035em; font-weight: 700; color: var(--ink);
}
.section-sub {
  margin: 0; color: var(--muted); font-size: 1.12rem; line-height: 1.6;
}

/* App Icon Squircle */
.app-icon-squircle {
  border-radius: 22.37%; box-shadow: var(--shadow-md);
  flex-shrink: 0; object-fit: cover; aspect-ratio: 1;
}
.large-icon {
  width: 200px; height: 200px;
}
.game-icon {
  width: 68px; height: 68px;
}

/* Section 01: Tool Spotlight Card */
.tool-stack {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.tool-hero-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(28px, 4vw, 52px);
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.tool-hero-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #2563eb, #06b6d4, #4f46e5);
}
.tool-card-lithepic::before {
  background: linear-gradient(90deg, #06b6d4, #2563eb, #8b5cf6);
}

.tool-card-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 28px; padding-bottom: 32px; border-bottom: 1px solid var(--line);
}
.tool-card-head--standalone {
  padding-bottom: 0; border-bottom: none;
}
.tool-brand {
  display: flex; align-items: center; gap: 22px; max-width: 680px;
}
.tool-brand h3 {
  margin: 0 0 6px; font-size: 2rem; font-weight: 700; color: var(--ink); letter-spacing: -0.03em;
}
.tool-brand p {
  margin: 0; color: var(--muted); font-size: 1.05rem;
}
.tool-cta {
  display: flex; flex-direction: column; gap: 12px; align-items: flex-start;
}

.tool-feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px;
}
.tool-feature-item {
  padding: 22px 20px; border-radius: var(--radius-md); background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.tool-feature-item:hover {
  background: #ffffff;
  border-color: rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -4px rgba(37, 99, 235, 0.08);
}
.feature-num {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700; color: var(--brand-blue); display: inline-block;
  background: rgba(37, 99, 235, 0.06);
  padding: 2px 8px; border-radius: 4px;
  margin-bottom: 12px;
}
.tool-feature-item h4 {
  margin: 0 0 8px; font-size: 1.06rem; font-weight: 700; color: var(--ink);
}
.tool-feature-item p {
  margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.55;
}

/* Section 02: Mindful Games Grid */
.game-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.game-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: 32px; display: flex; flex-direction: column; gap: 20px;
  position: relative; overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
}
.game-card:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.1), 0 0 16px rgba(37, 99, 235, 0.06);
}
.game-card-top {
  display: flex; align-items: center; gap: 18px;
}
.game-card-meta {
  display: flex; flex-direction: column;
}
.game-platform {
  margin: 0 0 4px; color: var(--brand-blue); font-size: 0.76rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.game-card-top h3 {
  margin: 0; font-size: 1.6rem; font-weight: 700; color: var(--ink);
  letter-spacing: -0.02em;
}
.game-card-top h3 a:hover { color: var(--brand-blue); }
.game-card-body {
  display: flex; flex-direction: column; flex: 1;
}
.game-card-body p {
  margin: 0; color: var(--muted); font-size: 0.96rem; line-height: 1.6;
}
.game-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line-subtle);
}

/* Section 03: Principles */
.principles {
  border-top: 1px solid var(--line);
}
.principle-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.principle-grid article {
  padding: 34px 28px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.principle-grid article:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08);
}
.principle-number {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700; color: var(--brand-blue);
  background: rgba(37, 99, 235, 0.06);
  padding: 2px 8px; border-radius: 4px;
  display: inline-block;
}
.principle-grid h3 {
  margin: 28px 0 10px; font-size: 1.25rem; font-weight: 700; color: var(--ink);
  letter-spacing: -0.02em;
}
.principle-grid p {
  margin: 0; color: var(--muted); font-size: 0.94rem; line-height: 1.6;
}

/* Section 04: The Maker */
.maker-section {
  padding-top: 0;
}
.maker-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 4vw, 44px);
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.maker-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 20px 48px -12px rgba(15, 23, 42, 0.1), 0 0 20px rgba(37, 99, 235, 0.06);
}
.maker-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
  background: linear-gradient(to bottom, #2563eb, #06b6d4, #4f46e5);
}
.maker-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}
.maker-avatar-wrap {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #ffffff;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.15), 0 0 0 1px rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-alt);
  flex-shrink: 0;
}
.maker-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.maker-tag {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--brand-blue);
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.2);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.maker-location {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
}
.maker-story p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}
.maker-story p:last-child {
  margin-bottom: 0;
}
.maker-footer {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.maker-signature {
  display: flex;
  flex-direction: column;
}
.signature-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  font-family: Georgia, -apple-system, serif;
  font-style: italic;
  letter-spacing: 0.02em;
}
.signature-title {
  font-size: 0.82rem;
  color: var(--muted);
}
.maker-contact-btn {
  font-size: 0.88rem;
  padding: 8px 18px;
}

/* Section 05: Closing */
.closing {
  padding-block: 72px 76px;
  border-top: 1px solid var(--line);
}
.closing .section-index {
  margin-bottom: 32px;
  text-align: left;
}
.closing-inner {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.closing-inner h2 {
  margin: 0 0 16px;
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 700;
  color: var(--ink);
}
.closing-lead {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
}

/* Product Detail Pages */
.product-page { background: var(--bg); }
.product-hero {
  padding-top: 24px; padding-bottom: 64px;
  display: grid; grid-template-columns: 260px 1fr;
  align-items: center; gap: 48px;
}
.product-detail-art {
  display: flex; justify-content: center; align-items: center;
}
.product-hero-copy h1 {
  margin: 14px 0 18px; font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  line-height: 1.08; letter-spacing: -0.04em; color: var(--ink);
}
.product-hero-copy h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.product-intro {
  margin: 0 0 32px; color: var(--muted); font-size: 1.15rem; line-height: 1.6; max-width: 640px;
}
.detail-back {
  color: var(--muted); font-weight: 500; font-size: 0.92rem;
  transition: color 0.15s ease;
}
.detail-back:hover { color: var(--brand-blue); }

.detail-features {
  padding-block: 72px; border-top: 1px solid var(--line);
}
.detail-feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.detail-feature-grid article {
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.detail-feature-grid article:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08);
}
.feature-index {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700; color: var(--brand-blue);
  background: rgba(37, 99, 235, 0.06);
  padding: 2px 8px; border-radius: 4px;
  display: inline-block;
}
.detail-feature-grid h3 {
  margin: 20px 0 10px; font-size: 1.16rem; font-weight: 700; color: var(--ink);
  letter-spacing: -0.02em;
}
.detail-feature-grid p {
  margin: 0; color: var(--muted); font-size: 0.94rem; line-height: 1.6;
}

.download-panel {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 32px; padding: clamp(32px, 5vw, 56px);
  background: linear-gradient(135deg, #090e1a 0%, #1e293b 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff; border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px -12px rgba(11, 19, 41, 0.25), 0 0 40px rgba(37, 99, 235, 0.1);
  margin-top: 40px; margin-bottom: 80px;
  position: relative; overflow: hidden;
}
.download-panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, #2563eb, #06b6d4, #a855f7);
}
.download-panel .section-index {
  color: #38bdf8;
}
.download-panel h2 {
  margin: 0 0 10px; font-size: clamp(1.8rem, 3vw, 2.5rem); letter-spacing: -0.03em;
  color: #ffffff;
}
.download-platform {
  margin: 0; color: #cbd5e1; font-size: 1.05rem;
}
.download-note {
  margin: 12px 0 0; font-size: 0.86rem; color: #94a3b8; max-width: 600px;
}

/* Document & Support Pages */
.document-main {
  padding-top: 16px; padding-bottom: 96px;
}
.document-title {
  max-width: 780px; margin-bottom: 52px;
}
.document-title h1 {
  margin: 14px 0 12px; font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  line-height: 1.1; letter-spacing: -0.04em; color: var(--ink);
}
.document-meta {
  color: var(--muted-light); font-size: 0.86rem; margin: 0 0 18px;
}
.document-summary {
  color: var(--muted); font-size: 1.12rem; line-height: 1.6; margin: 0;
}
.document-layout {
  display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 64px; align-items: start;
}
.document-toc {
  position: sticky; top: 100px; display: grid; gap: 8px; font-size: 0.88rem;
}
.document-toc p {
  margin: 0 0 6px; font-size: 0.74rem; font-weight: 700; color: var(--muted-light);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.document-toc a {
  color: var(--muted); padding: 4px 0; transition: color .15s;
}
.document-toc a:hover { color: var(--brand-blue); }

.legal-copy section {
  padding-bottom: 40px; margin-bottom: 40px; border-bottom: 1px solid var(--line);
  scroll-margin-top: 100px;
}
.legal-copy section:last-child { border-bottom: 0; }
.legal-copy h2 {
  margin: 0 0 16px; font-size: 1.45rem; font-weight: 700; color: var(--ink);
}
.legal-copy p {
  color: var(--ink-secondary); font-size: 1rem; line-height: 1.7; margin: 0 0 14px;
}
.legal-copy a { color: var(--brand-blue); text-decoration: underline; text-underline-offset: 3px; }

.support-section {
  padding-block: 40px 80px;
}
.support-product {
  display: flex; align-items: center; gap: 18px; margin-bottom: 36px;
}
.support-mark {
  background: var(--surface); padding: 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.support-product h2 {
  margin: 0; font-size: 1.8rem; font-weight: 700; color: var(--ink); letter-spacing: -0.02em;
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  padding: 22px 40px 22px 0; font-size: 1.05rem; font-weight: 600; color: var(--ink);
  cursor: pointer; list-style: none; position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; right: 8px; top: 20px; font-size: 1.4rem; color: var(--brand-blue);
}
.faq-list details[open] summary::after { content: "\2212"; }
.faq-list details p {
  margin: -4px 0 24px; color: var(--muted); font-size: 0.98rem; line-height: 1.65;
}

.contact-panel {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: clamp(36px, 5vw, 60px);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.contact-panel h2 {
  margin: 0; font-size: clamp(1.8rem, 3.2vw, 2.6rem); font-weight: 700; color: var(--ink);
  letter-spacing: -0.03em;
}
.contact-details { color: var(--muted); font-size: 0.96rem; }
.contact-details ul { padding-left: 20px; margin: 12px 0 20px; }
.dark-link { color: var(--brand-blue); font-weight: 600; }

/* Footer */
.site-footer {
  padding: 36px 0 0; background: var(--surface);
  border-top: 1px solid var(--line); color: var(--muted);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
}
.footer-col-brand .brand { margin-bottom: 10px; font-size: 1.05rem; }
.footer-tagline {
  margin: 0; font-size: 0.84rem; color: var(--muted); line-height: 1.55; max-width: 240px;
}
.footer-col-heading {
  margin: 0 0 10px;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--muted-light);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
.footer-col-links {
  display: flex; flex-direction: column; gap: 8px;
}
.footer-col-links a {
  font-size: 0.86rem; color: var(--muted); transition: color .15s;
}
.footer-col-links a:hover { color: var(--ink); }
.footer-bottom {
  border-top: 1px solid var(--line-subtle);
  padding: 14px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.copyright {
  margin: 0; font-size: 0.80rem; color: var(--muted-light); white-space: nowrap;
}

/* Floating Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  color: var(--ink);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(37, 99, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  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,
              background 0.2s ease,
              border-color 0.2s ease,
              box-shadow 0.2s ease,
              color 0.2s ease;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.back-to-top:hover {
  background: #ffffff;
  color: var(--brand-blue);
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.2), 0 0 16px rgba(37, 99, 235, 0.15);
  transform: translateY(-2px) scale(1.04);
}
.back-to-top:active {
  transform: translateY(1px) scale(0.96);
}

@media (max-width: 600px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

/* Animations */
[data-reveal] {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible {
  opacity: 1; transform: translateY(0);
}

/* ----------------------------------------------------
   Responsive Mobile & Tablet Optimization
   ---------------------------------------------------- */
@media (max-width: 960px) {
  :root {
    --shell: min(1180px, calc(100% - 36px));
  }
  .hero-brand {
    padding-top: 52px;
    padding-bottom: 60px;
  }
  .hero-brand-heading {
    font-size: clamp(2.2rem, 8vw, 3.2rem);
  }
  .game-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .tool-feature-grid, .principle-grid, .detail-feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .product-hero {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: left;
  }
  .product-detail-art {
    justify-content: flex-start;
  }
  .large-icon {
    width: 130px;
    height: 130px;
  }
  .document-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .document-toc {
    display: none;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-col-brand {
    grid-column: 1 / -1;
  }
  .contact-panel {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --shell: min(1180px, calc(100% - 32px));
  }

  /* Header & Mobile Drawer */
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .primary-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 28px;
    gap: 12px;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.16);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    z-index: 99;
  }
  .primary-nav.is-open {
    display: flex;
  }
  .primary-nav a {
    font-size: 1.05rem;
    font-weight: 600;
    padding: 10px 0;
    border-bottom: 1px solid var(--line-subtle);
  }
  .language-switcher {
    width: 100%;
    margin-top: 8px;
  }
  .language-switcher summary {
    padding: 10px 0;
    font-size: 0.96rem;
  }
  .language-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    border: 1px solid var(--line);
    margin-top: 8px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }

  /* Hero on mobile */
  .hero-brand {
    padding-top: 44px;
    padding-bottom: 52px;
  }
  .hero-brand-heading {
    font-size: clamp(1.9rem, 9vw, 2.6rem);
  }
  .hero-brand-summary {
    font-size: 1rem;
  }
  .hero-product-pills {
    gap: 10px;
    margin-top: 28px;
  }
  .hero-pill {
    font-size: 0.88rem;
    padding: 8px 14px 8px 10px;
  }
  .hero-brand-cta {
    margin-top: 28px;
  }

  /* Tool spotlight on mobile */
  .tool-spotlight, .games-section, .principles, .maker-section {
    padding-block: 56px;
  }
  .maker-card {
    grid-template-columns: 1fr;
    padding: 32px 24px;
    gap: 28px;
    text-align: left;
  }
  .maker-visual {
    flex-direction: row;
    align-items: center;
    text-align: left;
  }
  .maker-avatar-wrap {
    width: 76px;
    height: 76px;
    flex-shrink: 0;
  }
  .maker-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .section-heading {
    margin-bottom: 32px;
  }
  .section-heading h2 {
    font-size: clamp(1.8rem, 6.5vw, 2.4rem);
  }
  .tool-hero-card {
    padding: 22px 18px;
  }
  .tool-card-head {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    padding-bottom: 24px;
  }
  .tool-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .tool-brand img {
    width: 72px;
    height: 72px;
  }
  .tool-brand h3 {
    font-size: 1.6rem;
  }
  .tool-cta {
    width: 100%;
  }
  .tool-cta .button {
    width: 100%;
    min-height: 48px;
  }
  .tool-feature-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 22px;
  }

  /* Principles on mobile */
  .principle-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .principle-grid article {
    padding: 28px 20px;
  }

  /* Product detail on mobile */
  .product-hero {
    padding-top: 16px;
    padding-bottom: 44px;
  }
  .product-hero-copy h1 {
    font-size: clamp(1.9rem, 7vw, 2.6rem);
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .button {
    width: 100%;
    min-height: 48px;
  }
  .detail-features {
    padding-block: 48px;
  }
  .detail-feature-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .download-panel {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    padding: 30px 20px;
    margin-top: 24px;
    margin-bottom: 48px;
  }
  .download-panel .button {
    width: 100%;
    min-height: 48px;
  }

  /* Document and Support */
  .document-main {
    padding-top: 12px;
    padding-bottom: 56px;
  }
  .document-title {
    margin-bottom: 32px;
  }
  .document-title h1 {
    font-size: clamp(1.9rem, 6.5vw, 2.6rem);
  }
  .contact-panel {
    padding: 28px 20px;
  }
  .contact-panel h2 {
    font-size: 1.6rem;
  }
}

/* Specific Small Mobile (<600px) */
@media (max-width: 600px) {
  /* macOS Mockup inside mobile */
  .mac-sidebar {
    display: none;
  }
  .mac-body {
    grid-template-columns: 1fr;
  }
  .mac-editor {
    padding: 16px 14px;
  }
  .mac-titlebar {
    padding: 0 10px;
  }
  .mac-badge {
    display: none;
  }
  .mac-title {
    font-size: 11px;
    max-width: 160px;
  }
  .mockup-content h2 {
    font-size: 1rem;
  }
  .mockup-math {
    font-size: 11px;
    padding: 6px 10px;
  }
  .mockup-code {
    font-size: 10px;
    padding: 8px 10px;
  }

  /* Mindful Games Card on small mobile */
  .game-card {
    padding: 22px 18px;
    gap: 16px;
  }
  .game-card-top {
    gap: 14px;
  }
  .game-icon {
    width: 58px;
    height: 58px;
  }
  .game-card-top h3 {
    font-size: 1.4rem;
  }
  .game-card-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding-top: 16px;
  }
  .game-card-footer .button {
    width: 100%;
    min-height: 48px;
  }
  .game-card-footer .text-link {
    justify-content: center;
  }

  /* Breadcrumb wrapping */
  .breadcrumb ol {
    gap: 6px;
    font-size: 0.82rem;
  }

  /* Footer on small mobile */
  .footer-main {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-col-brand {
    grid-column: auto;
  }
}

/* 404 Not Found Sticky Footer Layout */
html:has(body.not-found-page),
body.not-found-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
body.not-found-page .document-main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-block: 40px;
  width: 100%;
}
body.not-found-page .site-footer {
  margin-top: auto;
  width: 100%;
}