* { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg-app);
    color: var(--text-strong);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-feature-settings: 'cv11', 'ss01', 'ss03';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
    overflow-x: hidden;
  }

  code, pre, .mono { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace; }

  a { color: var(--accent); text-decoration: none; }
  a:hover { color: var(--accent-bright); }

  /* ============ ANIMATED HERO BG ============ */
  .hero-shell {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
  }
  .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
  }
  .hero-bg::before, .hero-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    animation: floatA 16s ease-in-out infinite alternate;
  }
  .hero-bg::before {
    width: 60vw; height: 60vw;
    background: radial-gradient(circle, #FF8A00 0%, transparent 70%);
    top: -20vw; left: -10vw;
  }
  .hero-bg::after {
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, #00B370 0%, transparent 70%);
    bottom: -15vw; right: -10vw;
    animation-delay: -8s;
  }
  @keyframes floatA {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, 30px) scale(1.15); }
  }
  .hero-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    z-index: 1;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
    z-index: 2;
  }

  /* ============ NAV ============ */
  .nav {
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.04em;
    color: var(--text-strong);
  }
  .logo-mark {
    width: 32px; height: 32px;
    display: block;
    object-fit: contain;
    flex-shrink: 0;
    filter: drop-shadow(0 6px 14px rgba(255, 119, 0, 0.45));
  }
  .nav-links {
    display: flex; gap: 28px;
    font-size: 13px; font-weight: 600;
    color: var(--text-soft);
  }
  .nav-links a { color: var(--text-soft); transition: color 0.18s; }
  .nav-links a:hover { color: var(--text-strong); }

  /* ============ HERO ============ */
  .hero {
    padding: 80px 0 100px;
    text-align: center;
  }
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    background: rgba(255, 138, 0, 0.12);
    border: 1px solid rgba(255, 138, 0, 0.35);
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
  }
  .badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 0 rgba(255, 138, 0, 0.6);
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 138, 0, 0.6); }
    70% { box-shadow: 0 0 0 8px rgba(255, 138, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 138, 0, 0); }
  }

  h1.hero-title {
    margin-top: 28px;
    font-size: clamp(40px, 7vw, 76px);
    font-weight: 900;
    line-height: 1.04;
    letter-spacing: -0.035em;
    color: var(--text-strong);
  }
  .hero-grad {
    background: linear-gradient(135deg, #FF8A00 0%, #FFB000 50%, #FFD166 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .hero-sub {
    margin: 24px auto 0;
    max-width: 680px;
    font-size: 19px;
    line-height: 1.55;
    color: var(--text-soft);
    font-weight: 400;
  }
  .hero-cta {
    margin-top: 44px;
    display: inline-flex;
    align-items: center;
    gap: 14px;
  }
  /* (Removed unused .btn/.btn-primary/.btn-ghost — CTAs use QEDS .qeds-button) */

  /* ============ HERO STATS ============ */
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin-top: 72px;
    background: var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
  }
  .hstat {
    padding: 22px 18px;
    background: rgba(22, 32, 51, 0.85);
    backdrop-filter: blur(8px);
    text-align: center;
  }
  .hstat-num {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -0.025em;
    line-height: 1;
    color: var(--accent);
  }
  .hstat-num.green { color: var(--success-bright); }
  .hstat-num.cyan { color: var(--cyan); }
  .hstat-num.gold { color: var(--gold); }
  .hstat-label {
    margin-top: 8px;
    font-size: 11px;
    color: #8C99A3;            /* WCAG AA 5.45:1 on the stat tile */
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 700;
  }

  /* ============ SECTION ============ */
  section {
    padding: 100px 0;
    position: relative;
  }
  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
  }
  .section-eyebrow::before {
    content: '';
    width: 24px; height: 1px;
    background: var(--accent);
  }
  h2.section-title {
    font-size: clamp(30px, 4.5vw, 48px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    max-width: 720px;
  }
  .section-sub {
    margin-top: 20px;
    max-width: 640px;
    color: var(--text-soft);
    font-size: 17px;
    line-height: 1.55;
  }

  /* ============ CAPABILITIES ============ */
  .cap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 56px;
  }
  .cap-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform 0.2s, border-color 0.2s;
  }
  .cap-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
  }
  .cap-ic {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: grid; place-items: center;
    font-size: 20px;
    margin-bottom: 18px;
  }
  .cap-ic.orange { background: rgba(255,138,0,0.12); color: var(--accent); border: 1px solid rgba(255,138,0,0.32); }
  .cap-ic.green { background: rgba(0,179,112,0.12); color: var(--success-bright); border: 1px solid rgba(0,179,112,0.32); }
  .cap-ic.cyan { background: rgba(94,218,255,0.12); color: var(--cyan); border: 1px solid rgba(94,218,255,0.32); }
  .cap-card h3 {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
  }
  .cap-card p {
    font-size: 15px;
    color: var(--text-soft);
    line-height: 1.65;
  }

  /* ============ SERVERS GRID ============ */
  .servers-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 48px;
  }
  .srv-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-md);
    padding: 22px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
  }
  .srv-card.green { border-left-color: var(--success-bright); }
  .srv-card.cyan { border-left-color: var(--cyan); }
  .srv-card.gold { border-left-color: var(--gold); }
  .srv-info {
    flex: 1; min-width: 200px;
  }
  .srv-name {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-mute);
    margin-bottom: 6px;
  }
  .srv-url {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-strong);
    word-break: break-all;
  }
  .copy-btn {
    background: rgba(255,255,255,0.04);
    color: var(--text-strong);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.18s, border-color 0.18s, color 0.18s;
    font-family: inherit;
  }
  .copy-btn:hover { background: rgba(255,255,255,0.08); border-color: var(--border-strong); }
  .copy-btn.copied {
    background: rgba(0, 179, 112, 0.15);
    color: var(--success-bright);
    border-color: rgba(0, 179, 112, 0.4);
  }
  .one-token-tip {
    margin-top: 28px;
    padding: 18px 22px;
    background: linear-gradient(135deg, rgba(255,138,0,0.08) 0%, rgba(22,32,51,0.4) 100%);
    border: 1px solid rgba(255,138,0,0.25);
    border-radius: var(--radius-md);
    display: flex;
    gap: 14px;
    align-items: center;
    font-size: 14.5px;
    color: var(--text-base);
  }
  .one-token-tip strong { color: var(--text-strong); }
  .info-ic {
    width: 28px; height: 28px;
    border-radius: 8px;
    background: rgba(255,138,0,0.18);
    color: var(--accent);
    display: grid; place-items: center;
    font-weight: 800;
    flex-shrink: 0;
  }

  /* ============ STEPS ============ */
  .steps {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-top: 56px;
    counter-reset: step;
  }
  .step {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    position: relative;
  }
  .step-num {
    display: inline-block;
    width: 42px; height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, #FF8A00 0%, #FFB000 100%);
    color: #0C1326;
    font-weight: 900;
    font-size: 18px;
    line-height: 42px;
    text-align: center;
    margin-bottom: 18px;
    box-shadow: 0 6px 20px -6px rgba(255,138,0,0.55);
  }
  .step h3 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.015em;
    margin-bottom: 12px;
  }
  .step p {
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.65;
  }
  .step ol {
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
    counter-reset: substep;
  }
  .step ol li {
    counter-increment: substep;
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.55;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .step ol li:last-child { border-bottom: 0; }
  .step ol li::before {
    content: counter(substep);
    position: absolute;
    left: 0; top: 7px;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: rgba(255,138,0,0.12);
    color: var(--accent);
    font-size: 10px;
    font-weight: 800;
    text-align: center;
    line-height: 18px;
    font-family: 'JetBrains Mono', monospace;
  }
  .step a { font-weight: 600; }

  /* ============ ASSISTANT PICKER ============ */
  .picker-shell {
    margin-top: 56px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
  }
  .picker-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 22px 22px 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
  }
  .pt {
    padding: 12px 16px;
    margin-bottom: 22px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-soft);
    cursor: pointer;
    transition: background 0.16s, border-color 0.16s, color 0.16s, box-shadow 0.16s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
  }
  .pt:hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-strong);
    border-color: var(--border-strong);
  }
  .pt.active {
    background: linear-gradient(135deg, #FF8A00 0%, #FFB000 100%);
    color: #0C1326;
    border-color: transparent;
    box-shadow: 0 8px 22px -8px rgba(255,138,0,0.6);
  }
  .pt-ic { width: 16px; height: 16px; flex-shrink: 0; }
  /* Difficulty badge: neutral → amber scale (green removed; it read as "safe") */
  .pt-diff {
    margin-left: 6px;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255,255,255,0.08);
    color: var(--text-soft);
  }
  .pt-diff.med { background: rgba(255,176,0,0.16); color: var(--warning); }
  /* Badges legible on the solid-orange active tab */
  .pt.active .pt-diff { background: rgba(12,19,38,0.18); color: #0C1326; }

  .picker-body {
    padding: 36px 40px 40px;
  }
  .pb-tab { display: none; }
  .pb-tab.active { display: block; animation: fadeIn 0.25s ease-out; }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

  .pb-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
  }
  .pb-head h3 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.015em;
  }
  .pb-head .pt-diff { margin-left: 0; font-size: 10px; padding: 4px 8px; }
  .pb-desc {
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 22px;
    max-width: 720px;
  }
  .pb-path {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(94,218,255,0.08);
    border: 1px solid rgba(94,218,255,0.25);
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--cyan);
    margin-bottom: 18px;
  }
  .pb-platform {
    margin-top: 6px;
    margin-bottom: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-mute);
  }

  /* ============ CODE BLOCKS ============ */
  .code-block {
    position: relative;
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
    margin-bottom: 18px;
  }
  .code-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-mute);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }
  .code-head .copy-btn { padding: 5px 11px; font-size: 11px; }
  .code-block pre {
    padding: 20px 24px;
    overflow-x: auto;
    font-size: 13.5px;
    line-height: 1.7;
    color: #E3E8EF;
  }
  .code-block pre code {
    font-family: 'JetBrains Mono', monospace;
    background: none;
    color: inherit;
    font-size: inherit;
  }
  /* token highlight */
  .tk-key { color: #5EDAFF; }
  .tk-str { color: #FFD166; }
  .tk-cmt { color: var(--text-fade); font-style: italic; }
  .tk-pun { color: var(--text-mute); }
  .tk-token { color: var(--accent); background: rgba(255,138,0,0.13); padding: 1px 6px; border-radius: 4px; }

  .pb-test {
    margin-top: 22px;
    padding: 18px 22px;
    background: rgba(0,179,112,0.06);
    border: 1px solid rgba(0,179,112,0.22);
    border-radius: 10px;
    display: flex;
    gap: 14px;
    align-items: center;
  }
  .pb-test-ic {
    width: 30px; height: 30px;
    border-radius: 8px;
    background: rgba(0,179,112,0.18);
    color: var(--success-bright);
    display: grid; place-items: center;
    font-weight: 900;
    flex-shrink: 0;
  }
  .pb-test-text {
    font-size: 14px;
    color: var(--text-base);
  }
  .pb-test-text strong { color: var(--text-strong); }
  .pb-test-text code {
    background: rgba(255,255,255,0.06);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12.5px;
    color: var(--success-bright);
  }

  /* ============ SAFETY ============ */
  .safety-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 48px;
  }
  .safety-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px 28px;
    display: flex;
    gap: 18px;
  }
  .safety-card.warn { border-color: rgba(255,176,0,0.3); background: linear-gradient(135deg, rgba(255,176,0,0.04) 0%, var(--bg-surface) 60%); }
  .safety-card.danger { border-color: rgba(239,69,74,0.3); background: linear-gradient(135deg, rgba(239,69,74,0.04) 0%, var(--bg-surface) 60%); }
  .safety-card.ok { border-color: rgba(0,179,112,0.3); background: linear-gradient(135deg, rgba(0,179,112,0.04) 0%, var(--bg-surface) 60%); }
  .safety-ic {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: grid; place-items: center;
    font-size: 22px;
    flex-shrink: 0;
  }
  .safety-card.ok .safety-ic { background: rgba(0,179,112,0.14); color: var(--success-bright); border: 1px solid rgba(0,179,112,0.32); }
  .safety-card.warn .safety-ic { background: rgba(255,176,0,0.14); color: var(--warning); border: 1px solid rgba(255,176,0,0.32); }
  .safety-card.danger .safety-ic { background: rgba(239,69,74,0.14); color: var(--danger-bright); border: 1px solid rgba(239,69,74,0.32); }
  .safety-card.info .safety-ic { background: rgba(94,218,255,0.14); color: var(--cyan); border: 1px solid rgba(94,218,255,0.32); }
  .safety-card h3 {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 6px;
  }
  .safety-card p {
    font-size: 15px;
    color: var(--text-soft);
    line-height: 1.65;
  }

  /* ============ PROMPTS ============ */
  .prompt-cats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 48px;
  }
  .prompt-cat {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
  }
  .prompt-cat h4 {
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  .prompt-cat ul {
    list-style: none;
  }
  .prompt-cat li {
    padding: 10px 0;
    color: var(--text-base);
    font-size: 15px;
    line-height: 1.55;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  .prompt-cat li:last-child { border-bottom: 0; }
  .prompt-cat li::before {
    content: '"';
    color: var(--accent);
    font-weight: 800;
    margin-right: 4px;
  }
  .prompt-cat li::after {
    content: '"';
    color: var(--accent);
    font-weight: 800;
    margin-left: 4px;
  }

  /* ============ FAQ ============ */
  .faq {
    margin-top: 48px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  details.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 20px 28px;
    cursor: pointer;
  }
  details.faq-item:last-child { border-bottom: 0; }
  details.faq-item summary {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-strong);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    cursor: pointer;
  }
  details.faq-item summary::-webkit-details-marker { display: none; }
  details.faq-item summary::after {
    content: '+';
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(255,138,0,0.12);
    color: var(--accent);
    display: grid; place-items: center;
    font-size: 18px;
    font-weight: 900;
    flex-shrink: 0;
    transition: transform 0.2s;
  }
  details.faq-item[open] summary::after {
    transform: rotate(45deg);
  }
  details.faq-item p {
    margin-top: 14px;
    color: var(--text-soft);
    font-size: 14.5px;
    line-height: 1.65;
  }
  details.faq-item p code {
    background: rgba(255,255,255,0.06);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 12.5px;
    color: var(--accent);
  }

  /* ============ FOOTER ============ */
  footer {
    border-top: 1px solid var(--border);
    padding: 48px 0 36px;
    text-align: center;
    background: var(--bg-surface);
  }
  .foot-disclaimer {
    max-width: 720px;
    margin: 0 auto 20px;
    font-size: 13px;
    color: var(--text-soft);
    line-height: 1.7;
  }
  .foot-bottom {
    color: #8C99A3;            /* WCAG AA 5.59:1 on --bg-surface */
    font-size: 12px;
  }
  .foot-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: var(--text-strong);
    letter-spacing: 0.04em;
    margin-bottom: 14px;
  }

  /* ============ TOAST ============ */
  .toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: linear-gradient(135deg, #00B370 0%, #00E68B 100%);
    color: #0C1326;
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 13.5px;
    box-shadow: 0 12px 30px -8px rgba(0, 179, 112, 0.5);
    transition: transform 0.3s ease-out;
    z-index: 99;
  }
  .toast.show {
    transform: translateX(-50%) translateY(0);
  }

  /* ============ RESPONSIVE ============ */
  @media (max-width: 880px) {
    .container { padding: 0 20px; }
    .nav-links { display: none; }
    .hero { padding: 60px 0 70px; }
    h1.hero-title { font-size: 42px; }
    .hero-sub { font-size: 16px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    section { padding: 64px 0; }
    .cap-grid { grid-template-columns: 1fr; }
    .servers-row { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .safety-grid { grid-template-columns: 1fr; }
    .prompt-cats { grid-template-columns: 1fr 1fr; }
    .picker-body { padding: 24px 22px 28px; }
    .picker-tabs { padding: 16px 16px 0; }
    .pt { padding: 10px 12px; font-size: 12px; }
    h2.section-title { font-size: 28px; }
    .code-block pre { padding: 16px 18px; font-size: 12px; }
  }
  @media (max-width: 520px) {
    .prompt-cats { grid-template-columns: 1fr; }
    h1.hero-title { font-size: 36px; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .qeds-button { justify-content: center; }
  }

  /* Reveal animation */
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
  .reveal.in {
    opacity: 1;
    transform: translateY(0);
  }

  /* ============ PERMISSIONS — uses qeds-checkbox ============ */
  .perm-shell {
    margin-top: 56px;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 24px;
    align-items: start;
  }
  .perm-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  .perm-head {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .perm-head-ic {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, #FF8A00 0%, #FFB000 100%);
    color: #0C1326;
    display: grid; place-items: center;
    font-weight: 900;
    font-size: 14px;
    flex-shrink: 0;
  }
  .perm-head h3 {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -0.015em;
    color: var(--text-strong);
  }
  .perm-head-sub {
    font-size: 12px;
    color: var(--text-mute);
    margin-top: 2px;
    font-weight: 500;
  }
  .perm-body {
    padding: 18px 24px 22px;
  }
  .perm-section-label {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-mute);
    margin: 0 0 12px;
  }
  .perm-section-label.green { color: var(--success-bright); }
  .perm-row {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    display: flex;
    align-items: flex-start;
    gap: 10px;
  }
  .perm-row:last-child { border-bottom: 0; }
  .perm-row .qeds-checkbox { flex: 1 1 auto; }
  .perm-row .perm-tag {
    margin-left: auto;
    flex-shrink: 0;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.6;
  }
  .perm-tag.always { background: rgba(0,179,112,0.18); color: var(--success-bright); border: 1px solid rgba(0,179,112,0.32); }
  .perm-tag.optional { background: rgba(255,138,0,0.13); color: var(--accent); border: 1px solid rgba(255,138,0,0.32); }
  .perm-section + .perm-section { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); }
  .perm-meta {
    margin-top: 22px;
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
  }
  .perm-meta-item {
    font-size: 12px;
    color: var(--text-mute);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .perm-meta-item strong { color: var(--text-base); font-weight: 700; }

  .perm-aside {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }
  .perm-callout {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
  }
  .perm-callout.ok { border-left: 3px solid var(--success-bright); }
  .perm-callout.warn { border-left: 3px solid var(--accent); }
  .perm-callout.info { border-left: 3px solid var(--cyan); }
  .perm-callout h4 {
    font-size: 14px;
    font-weight: 800;
    color: var(--text-strong);
    margin-bottom: 6px;
    letter-spacing: -0.005em;
  }
  .perm-callout p {
    font-size: 13.5px;
    color: var(--text-soft);
    line-height: 1.6;
  }
  .perm-callout p code {
    background: rgba(255,138,0,0.13);
    color: var(--accent);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 12.5px;
  }

  /* Smaller qeds-button overrides inside our copy slots */
  .qeds-button.copy-btn-qeds {
    --qeds-btn-icon: 14px;
    font-family: inherit;
    font-weight: 700;
  }

  @media (max-width: 880px) {
    .perm-shell { grid-template-columns: 1fr; gap: 18px; }
    .perm-head { padding: 16px 18px; }
    .perm-body { padding: 16px 18px 20px; }
  }

  /* ════════════════════════════════════════════════════════════════════
     QUALITY LAYER · accessibility, focus, motion, page chrome
     ════════════════════════════════════════════════════════════════════ */

  /* Skip link — visible only on keyboard focus */
  .skip-link {
    position: fixed;
    left: 16px; top: -100px;
    z-index: 1001;
    background: var(--accent);
    color: #0C1326;
    font-weight: 800;
    font-size: 13px;
    padding: 11px 18px;
    border-radius: 10px;
    box-shadow: 0 10px 30px -8px rgba(255,138,0,0.6);
    transition: top 0.22s ease;
  }
  .skip-link:focus { top: 16px; color: #0C1326; }

  /* Keyboard focus rings (mouse clicks stay clean) */
  :focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
  }
  :focus:not(:focus-visible) { outline: none; }
  .pt:focus-visible,
  .copy-btn:focus-visible,
  .qeds-checkbox:focus-visible,
  .qeds-button:focus-visible,
  .to-top:focus-visible,
  .lang-toggle:focus-visible,
  .lang-menu a:focus-visible,
  .nav-links a:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
    box-shadow: var(--ring-shadow);
  }
  details.faq-item summary:focus-visible { outline-offset: 4px; border-radius: 6px; }

  /* Scroll progress indicator */
  .scroll-progress {
    position: fixed;
    inset: 0 0 auto 0;
    height: 3px;
    transform: scaleX(0);
    transform-origin: 0 50%;
    background: linear-gradient(90deg, #FF8A00 0%, #FFB000 50%, #FFD166 100%);
    box-shadow: 0 0 12px rgba(255,138,0,0.5);
    z-index: 1000;
    will-change: transform;
  }

  /* Back-to-top */
  .to-top {
    position: fixed;
    right: 22px; bottom: 22px;
    width: 46px; height: 46px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--bg-elevated);
    color: var(--text-strong);
    border: 1px solid var(--border-strong);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, background 0.18s, color 0.18s, border-color 0.18s;
    z-index: 999;
    box-shadow: 0 12px 30px -10px rgba(0,0,0,0.6);
  }
  .to-top.show { opacity: 1; transform: none; pointer-events: auto; }
  .to-top:hover { background: var(--bg-surface); border-color: var(--accent); color: var(--accent); }
  @media (max-width: 520px) { .to-top { right: 14px; bottom: 14px; } }

  /* Subtle staggered reveal when a whole grid enters at once */
  .cap-grid .cap-card:nth-child(2),
  .steps .step:nth-child(2) { transition-delay: 0.08s; }
  .cap-grid .cap-card:nth-child(3),
  .steps .step:nth-child(3) { transition-delay: 0.16s; }

  /* Respect reduced-motion: stop ambient + entrance animations */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
    }
    html { scroll-behavior: auto; }
    .hero-bg::before, .hero-bg::after { animation: none; }
    .badge-dot { animation: none; box-shadow: none; }
    .reveal { opacity: 1; transform: none; }
    .scroll-progress { display: none; }
  }

  /* ════════════════════════════════════════════════════════════════════
     LANGUAGE SWITCHER
     ════════════════════════════════════════════════════════════════════ */
  .nav { gap: 20px; }
  .logo { margin-right: auto; }              /* keep logo left, cluster the rest right */

  .lang-switch { position: relative; flex-shrink: 0; }
  .lang-flag {
    width: 22px;
    height: 16px;
    border-radius: 3px;
    object-fit: cover;
    display: block;            /* block + flex-center = no baseline tilt */
    flex-shrink: 0;
    box-shadow: 0 0 0 1px rgba(255,255,255,0.12);
  }
  .lang-name { display: inline-flex; align-items: center; gap: 13px; line-height: 1; }
  .lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    color: var(--text-soft);
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.16s, border-color 0.16s, color 0.16s;
  }
  .lang-toggle:hover {
    background: rgba(255,255,255,0.07);
    color: var(--text-strong);
    border-color: var(--border-strong);
  }
  .lang-caret { font-size: 10px; opacity: 0.8; transition: transform 0.18s; }
  .lang-toggle[aria-expanded="true"] .lang-caret { transform: rotate(180deg); }
  .lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 188px;
    margin: 0;
    padding: 6px;
    list-style: none;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: 0 18px 44px -12px rgba(0,0,0,0.7);
    z-index: 1000;
    animation: fadeIn 0.16s ease-out;
  }
  .lang-menu[hidden] { display: none; }
  .lang-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--text-base);
    font-size: 13.5px;
    font-weight: 600;
    transition: background 0.14s, color 0.14s;
  }
  .lang-menu a:hover { background: rgba(255,255,255,0.06); color: var(--text-strong); }
  .lang-menu a[aria-current="true"] { color: var(--accent); background: rgba(255,138,0,0.10); }
  .lang-menu a[aria-current="true"]::after { content: "✓"; font-weight: 800; }

  /* ════════════════════════════════════════════════════════════════════
     RESPONSIVE & TOUCH REFINEMENTS
     ════════════════════════════════════════════════════════════════════ */
  /* Tablet tier: avoid the 3-col → 1-col jump at 880px */
  @media (min-width: 600px) and (max-width: 880px) {
    .cap-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .safety-grid { grid-template-columns: repeat(2, 1fr); }
  }
  /* Comfortable touch target for the primary repeated action (server-URL copy) */
  .srv-card .copy-btn { min-height: 44px; }

  /* ════════════════════════════════════════════════════════════════════
     SECTION RHYTHM — distinct band so sections read apart while scrolling
     ════════════════════════════════════════════════════════════════════ */
  section#safety {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }