/* ============================================
     LANDING PAGE OVERRIDES & PREMIUM STYLES
     ============================================ */
  html.landing-html {
    height: auto;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
  }
  body.landing-body {
    height: auto;
    overflow-y: visible;
    display: block;
    background: var(--background);
    padding: 0;
  }

  /* ---- TOPBAR ---- */
  .landing-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--background);
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 2.5rem;
  }
  .landing-nav-logo {
    font-family: var(--font-head);
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 1px;
    color: var(--foreground);
    text-decoration: none;
  }
  .landing-nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  .landing-nav-links a {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 100ms steps(1);
  }
  .landing-nav-links a:hover { color: var(--foreground); }
  .landing-nav-cta {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  /* ---- HERO ---- */
  .hero {
    border-bottom: 8px solid var(--border);
    padding: 6rem 2.5rem 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--background);
  }
  .hero::before {
    content: 'LEXIVO';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-head);
    font-size: 38vw;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px #E5E5E5;
    text-stroke: 1px #E5E5E5;
    pointer-events: none;
    line-height: 1;
    letter-spacing: -10px;
    user-select: none;
    z-index: 0;
    white-space: nowrap;
  }
  .hero-inner {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
  }
  .hero-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    border: 1px solid var(--border);
    padding: 5px 14px;
    margin-bottom: 2.5rem;
    background: var(--foreground);
    color: var(--background);
  }
  .hero-title {
    font-family: var(--font-head);
    font-size: clamp(60px, 10vw, 130px);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 0.88;
    letter-spacing: -4px;
    margin-bottom: 2rem;
    color: var(--foreground);
  }
  .hero-subtitle {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--muted-foreground);
    margin-bottom: 1rem;
    line-height: 1.8;
  }
  .hero-desc {
    font-size: 17px;
    line-height: 1.7;
    color: var(--muted-foreground);
    max-width: 620px;
    margin: 0 auto 3.5rem;
  }
  .hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--foreground);
    color: var(--background);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 1.1rem 2.5rem;
    text-decoration: none;
    border: 2px solid var(--foreground);
    transition: all 100ms steps(1);
  }
  .btn-hero-primary:hover {
    background: var(--background);
    color: var(--foreground);
  }
  .btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--foreground);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 1.1rem 2.5rem;
    text-decoration: none;
    border: 2px solid var(--border);
    transition: all 100ms steps(1);
  }
  .btn-hero-secondary:hover {
    background: var(--foreground);
    color: var(--background);
  }

  /* Hero Stats Bar */
  .hero-stats {
    border-top: 2px solid var(--border);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 5rem;
  }
  .hero-stat-item {
    padding: 2rem 1.5rem;
    border-right: 2px solid var(--border);
    text-align: center;
  }
  .hero-stat-item:last-child { border-right: none; }
  .hero-stat-number {
    font-family: var(--font-head);
    font-size: 42px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 0.5rem;
  }
  .hero-stat-label {
    font-family: var(--font-mono);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--muted-foreground);
    font-weight: 700;
  }

  /* ---- SECTIONS ---- */
  .land-section {
    padding: 6rem 2.5rem;
    border-bottom: 4px solid var(--border);
    max-width: 100%;
  }
  .land-section-inner {
    max-width: 1100px;
    margin: 0 auto;
  }
  .section-eyebrow {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--muted-foreground);
    margin-bottom: 1rem;
  }
  .section-headline {
    font-family: var(--font-head);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: 2rem;
  }
  .section-lead {
    font-size: 16px;
    line-height: 1.75;
    color: var(--muted-foreground);
    max-width: 700px;
    margin-bottom: 4rem;
  }

  /* ---- DIAGNOSIS SECTION ---- */
  .diagnosis-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
  @media (max-width: 800px) {
    .diagnosis-split { grid-template-columns: 1fr; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero::before { font-size: 60vw; }
  }
  .diagnosis-left {}
  .diagnosis-right {}
  .comparison-table {
    width: 100%;
    border-collapse: collapse;
  }
  .comparison-table th {
    font-family: var(--font-mono);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 2px solid var(--border);
    color: var(--muted-foreground);
  }
  .comparison-table th:last-child {
    background: var(--foreground);
    color: var(--background);
  }
  .comparison-table td {
    padding: 14px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
  }
  .comparison-table td:first-child {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--muted-foreground);
  }
  .comparison-table td:last-child {
    font-weight: 700;
  }
  .check-yes { color: var(--foreground); font-size: 16px; }
  .check-no { color: #C0C0C0; font-size: 16px; }
  .pull-quote {
    font-family: var(--font-head);
    font-size: 26px;
    font-weight: 700;
    line-height: 1.4;
    border-left: 6px solid var(--border);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
    font-style: italic;
  }
  .diagnosis-metric {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
  }
  .d-metric-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border: 1px solid var(--border);
    padding: 1rem 1.25rem;
  }
  .d-metric-num {
    font-family: var(--font-head);
    font-size: 36px;
    font-weight: 900;
    flex-shrink: 0;
    min-width: 80px;
  }
  .d-metric-label {
    font-size: 13px;
    color: var(--muted-foreground);
    line-height: 1.5;
  }
  .d-metric-label strong {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--foreground);
    margin-bottom: 4px;
  }

  /* ---- HOW IT WORKS ---- */
  .steps-list {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .step-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 2rem;
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--border-light);
    align-items: start;
  }
  .step-item:last-child { border-bottom: none; }
  .step-num {
    font-family: var(--font-head);
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    color: var(--border-light);
    padding-top: 4px;
    transition: color 100ms steps(1);
  }
  .step-item:hover .step-num { color: var(--foreground); }
  .step-content {}
  .step-title {
    font-family: var(--font-head);
    font-size: 22px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
  }
  .step-desc {
    font-size: 14px;
    color: var(--muted-foreground);
    line-height: 1.7;
    max-width: 600px;
  }
  .step-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 1rem;
  }
  .step-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--border);
    padding: 3px 8px;
    color: var(--muted-foreground);
  }

  /* ---- ENGINES GRID ---- */
  .engines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 0;
    border-top: 2px solid var(--border);
    border-left: 2px solid var(--border);
  }
  .engine-card {
    border-right: 2px solid var(--border);
    border-bottom: 2px solid var(--border);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 12px;
    cursor: default;
    transition: all 100ms steps(1);
    background: var(--background);
    text-decoration: none;
    color: inherit;
  }
  .engine-card:hover {
    background: var(--foreground);
    color: var(--background);
  }
  .engine-card:hover .engine-desc,
  .engine-card:hover .engine-category {
    color: rgba(255,255,255,0.7);
  }
  .engine-card:hover .engine-num { color: rgba(255,255,255,0.3); }
  .engine-num {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    color: var(--border-light);
    letter-spacing: 1px;
  }
  .engine-icon { font-size: 28px; line-height: 1; }
  .engine-name {
    font-family: var(--font-head);
    font-size: 18px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
  }
  .engine-desc {
    font-size: 13px;
    color: var(--muted-foreground);
    line-height: 1.6;
  }
  .engine-category {
    font-family: var(--font-mono);
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--muted-foreground);
    margin-top: auto;
    font-weight: 700;
  }

  /* ---- PRICING ---- */
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 0;
    border: 2px solid var(--border);
  }
  .pricing-card {
    padding: 2.5rem 2rem;
    border-right: 2px solid var(--border);
    background: var(--background);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .pricing-card:last-child { border-right: none; }
  .pricing-card.premium-tier {
    background: var(--foreground);
    color: var(--background);
  }
  .pricing-card.premium-tier .pricing-desc,
  .pricing-card.premium-tier .pricing-feature-list li {
    color: rgba(255,255,255,0.75);
  }
  .pricing-card.premium-tier .btn-pricing {
    background: var(--background);
    color: var(--foreground);
    border-color: var(--background);
  }
  .pricing-card.premium-tier .btn-pricing:hover {
    background: transparent;
    color: var(--background);
    border-color: var(--background);
  }
  .pricing-tier-badge {
    font-family: var(--font-mono);
    font-size: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 3px 8px;
    border: 1px solid currentColor;
    display: inline-block;
    margin-bottom: 1.5rem;
  }
  .pricing-title {
    font-family: var(--font-head);
    font-size: 28px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
  }
  .pricing-price {
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: 700;
    margin: 1.25rem 0 0.5rem;
    line-height: 1;
  }
  .pricing-price span {
    font-size: 13px;
    font-weight: 400;
    opacity: 0.7;
  }
  .pricing-desc {
    font-size: 12.5px;
    color: var(--muted-foreground);
    margin-bottom: 2rem;
    line-height: 1.6;
  }
  .pricing-feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 2.5rem;
    flex: 1;
  }
  .pricing-feature-list li {
    font-size: 13px;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
  }
  .pricing-feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    font-weight: 900;
  }
  .btn-pricing {
    display: block;
    width: 100%;
    background: var(--foreground);
    color: var(--background);
    border: 2px solid var(--foreground);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 1rem;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: all 100ms steps(1);
  }
  .btn-pricing:hover {
    background: transparent;
    color: var(--foreground);
  }

  /* ---- FAQ ---- */
  .faq-list {
    display: flex;
    flex-direction: column;
    border-top: 2px solid var(--border);
  }
  .faq-item {
    border-bottom: 1px solid var(--border-light);
    overflow: hidden;
  }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.75rem 0;
    cursor: pointer;
    font-family: var(--font-head);
    font-size: 18px;
    font-weight: 700;
    user-select: none;
    gap: 2rem;
  }
  .faq-question:hover { color: var(--muted-foreground); }
  .faq-icon {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 300;
    flex-shrink: 0;
    transition: transform 200ms;
  }
  .faq-item.open .faq-icon { transform: rotate(45deg); }
  .faq-answer {
    font-size: 14px;
    line-height: 1.8;
    color: var(--muted-foreground);
    max-height: 0;
    overflow: hidden;
    transition: max-height 300ms ease, padding 300ms ease;
    padding-bottom: 0;
  }
  .faq-item.open .faq-answer {
    max-height: 500px;
    padding-bottom: 1.75rem;
  }

  /* ---- CTA BAND ---- */
  .cta-band {
    background: var(--foreground);
    color: var(--background);
    padding: 5rem 2.5rem;
    text-align: center;
    border-bottom: 4px solid var(--border);
  }
  .cta-band .section-headline { color: var(--background); }
  .cta-band .section-lead { color: rgba(255,255,255,0.7); margin: 0 auto 3rem; }
  .cta-band-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  .btn-cta-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--background);
    color: var(--foreground);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 1.1rem 2.5rem;
    text-decoration: none;
    border: 2px solid var(--background);
    transition: all 100ms steps(1);
  }
  .btn-cta-white:hover {
    background: transparent;
    color: var(--background);
  }
  .btn-cta-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--background);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 1.1rem 2.5rem;
    text-decoration: none;
    border: 2px solid rgba(255,255,255,0.4);
    transition: all 100ms steps(1);
  }
  .btn-cta-outline:hover {
    border-color: var(--background);
  }

  /* ---- FOOTER ---- */
  .landing-footer {
    padding: 3.5rem 2.5rem;
    border-top: 2px solid var(--border);
  }
  .footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
  }
  @media (max-width: 800px) {
    .footer-inner { grid-template-columns: 1fr 1fr; }
  }
  .footer-brand {}
  .footer-brand-name {
    font-family: var(--font-head);
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 0.75rem;
  }
  .footer-brand-desc {
    font-size: 12.5px;
    color: var(--muted-foreground);
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }
  .footer-col-title {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--foreground);
    margin-bottom: 1.25rem;
  }
  .footer-col-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-col-links a {
    font-size: 13px;
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 100ms steps(1);
  }
  .footer-col-links a:hover { color: var(--foreground); }
  .footer-bottom {
    max-width: 1100px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
  }
  .footer-copy {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--muted-foreground);
  }
  .footer-admin-link {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--border-light);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .footer-admin-link:hover { color: var(--muted-foreground); }

  /* Scroll-in animation */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 500ms ease, transform 500ms ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: none;
  }

  /* Marquee */
  .marquee-wrap {
    border-top: 2px solid var(--border);
    border-bottom: 2px solid var(--border);
    overflow: hidden;
    padding: 1rem 0;
    background: var(--foreground);
    color: var(--background);
  }
  .marquee-track {
    display: flex;
    gap: 0;
    animation: marquee 30s linear infinite;
    white-space: nowrap;
  }
  .marquee-item {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 0 2.5rem;
    flex-shrink: 0;
    border-right: 1px solid rgba(255,255,255,0.2);
  }
  @keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

.landing-nav-links a.active {
  color: var(--foreground);
}