  :root {
    --bg: #111111;
    --surface: #1a1a1a;
    --surface2: #222222;
    --red: #39FF14;
    --red-bright: #57FF33;
    --on-green: #111111;
    --white: #F5F5F0;
    --grey: #888880;
    --grey-light: #CCCCCC;
    --border: #2a2a2a;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--white);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* ── NOISE TEXTURE OVERLAY ── */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1000;
    opacity: 0.4;
  }

  /* ── TYPOGRAPHY ── */
  h1, h2, h3, .display {
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 0.02em;
    line-height: 1;
  }

  .mono { font-family: 'Space Mono', monospace; }

  /* ── CONTAINER ── */
  .container {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
  }

  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(17,17,17,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }

  .nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 48px;
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
  }

  /* AI LETTERMARK */
  .logo-mark {
    width: 48px;
    height: 44px;
    position: relative;
    flex-shrink: 0;
  }

  .logo-mark svg {
    width: 100%;
    height: 100%;
    display: block;
  }

  .logo-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 22px;
    letter-spacing: 0.08em;
    color: var(--white);
  }

  .logo-name span {
    color: var(--red);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
  }

  .nav-links a {
    text-decoration: none;
    color: var(--grey);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.2s;
  }

  .nav-links a:hover { color: var(--white); }

  .nav-cta {
    background: var(--red) !important;
    color: #111111 !important;
    padding: 10px 22px !important;
    font-weight: 500 !important;
    transition: background 0.2s !important;
  }

  .nav-cta:hover { background: var(--red-bright) !important; color: #111111 !important; }

  /* ── HERO ── */
  #hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
  }

  #hero .container {
    padding: 0 48px;
  }

  .hero-bg-mark {
    position: absolute;
    top: -60px;
    right: -80px;
    width: 65vw;
    max-width: 900px;
    opacity: 0.04;
    pointer-events: none;
    user-select: none;
  }

  .hero-eyebrow {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--red);
    text-transform: uppercase;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 0.2s;
  }

  .hero-headline {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(56px, 8vw, 120px);
    line-height: 0.95;
    letter-spacing: 0.01em;
    max-width: 900px;
    margin-bottom: 32px;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.35s;
  }

  .hero-headline em {
    font-style: normal;
    color: var(--red);
  }

  .hero-sub {
    font-size: 17px;
    font-weight: 300;
    color: var(--grey-light);
    max-width: 560px;
    line-height: 1.65;
    margin-bottom: 48px;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.5s;
  }

  .hero-cta {
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.65s;
  }

  .btn-primary {
    display: inline-block;
    background: var(--red);
    color: #111111;
    text-decoration: none;
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 16px 36px;
    transition: background 0.2s, transform 0.2s;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  }

  .btn-primary:hover {
    background: var(--red-bright);
    transform: translateY(-2px);
  }

  .btn-ghost {
    display: inline-block;
    border: 1px solid var(--border);
    color: var(--grey-light);
    text-decoration: none;
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 16px 36px;
    margin-left: 16px;
    transition: border-color 0.2s, color 0.2s;
  }

  .btn-ghost:hover { border-color: var(--grey); color: var(--white); }

  .hero-rule {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--red) 0%, transparent 60%);
  }

  /* ── SECTIONS SHARED ── */
  section {
    padding: 100px 0;
    border-bottom: 1px solid var(--border);
    position: relative;
  }

  section .container {
    padding: 0 48px;
  }

  .section-label {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.25em;
    color: var(--red);
    text-transform: uppercase;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .section-label::before {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: var(--red);
  }

  .section-label::after {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: var(--red);
  }

  .section-header {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(40px, 5vw, 72px);
    line-height: 1;
    margin-bottom: 32px;
    max-width: 700px;
  }

  .section-body {
    font-size: 16px;
    font-weight: 300;
    color: var(--grey-light);
    max-width: 600px;
    line-height: 1.75;
  }

  .section-body p + p { margin-top: 16px; }

  /* ── PROBLEM ── */
  #problem {
    background: var(--surface);
  }

  #problem .inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }

  .problem-stat {
    border-left: 2px solid var(--red);
    padding-left: 24px;
  }

  .problem-stat-num {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 80px;
    line-height: 1;
    color: var(--red);
  }

  .problem-stat-label {
    font-size: 14px;
    color: var(--grey);
    margin-top: 8px;
    font-weight: 300;
  }

  /* ── WHAT WE DO ── */
  #what-we-do .inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
  }

  .step-list {
    list-style: none;
    margin-top: 48px;
  }

  .step-list li {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
  }

  .step-num {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--red);
    padding-top: 2px;
    flex-shrink: 0;
  }

  .step-content h4 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--white);
  }

  .step-content p {
    font-size: 14px;
    color: var(--grey);
    line-height: 1.65;
  }

  /* ── SERVICES ── */
  #services {
    background: var(--surface);
  }

  .services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    margin-top: 60px;
    background: var(--border);
  }

  .service-card {
    background: var(--surface);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
  }

  .service-card:hover { background: var(--surface2); }

  .service-card.featured {
    grid-column: 1 / -1;
    background: var(--bg);
    border-top: 2px solid var(--red);
  }

  .service-card.featured:hover { background: #161616; }

  .service-tag {
    font-family: 'Space Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--red);
    text-transform: uppercase;
    margin-bottom: 16px;
  }

  .service-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 36px;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
  }

  .service-card.featured .service-name {
    font-size: clamp(32px, 4vw, 56px);
  }

  .service-desc {
    font-size: 15px;
    color: var(--grey-light);
    line-height: 1.7;
    font-weight: 300;
  }

  .service-deliverables {
    margin-top: 28px;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .service-deliverables li {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--grey);
    border: 1px solid var(--border);
    padding: 6px 14px;
    text-transform: uppercase;
  }

  /* ── WHO IT'S FOR ── */
  #who-its-for .inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
  }

  .audience-block {
    padding: 40px;
    border: 1px solid var(--border);
    position: relative;
    transition: border-color 0.3s;
  }

  .audience-block:hover { border-color: var(--red); }

  .audience-icon {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.2em;
    margin-bottom: 20px;
    text-transform: uppercase;
  }

  .audience-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 32px;
    margin-bottom: 14px;
  }

  .audience-desc {
    font-size: 14px;
    color: var(--grey);
    line-height: 1.7;
    font-weight: 300;
  }

  .prereq {
    margin: 25px auto 0;
    padding: 40px;
    background: none;
    border-left: 0;
  }

  .prereq p {
    font-size: 16px;
    font-style: italic;
    font-weight: 300;
    color: var(--grey-light);
    line-height: 1.7;
  }

  /* ── WHAT WE'VE BUILT ── */
  #what-weve-built {
    background: var(--surface);
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin-top: 60px;
    background: var(--border);
  }

  .stat-block {
    background: var(--surface);
    padding: 40px 32px;
    transition: background 0.3s;
  }

  .stat-block:hover { background: var(--surface2); }

  .stat-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 56px;
    color: var(--red);
    line-height: 1;
    margin-bottom: 10px;
  }

  .stat-desc {
    font-size: 13px;
    color: var(--grey);
    line-height: 1.6;
    font-weight: 300;
  }

  /* ── WHY US ── */
  #why-us .inner {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    align-items: start;
  }

  .why-version {
    padding: 32px;
    border: 1px solid var(--border);
    margin-bottom: 16px;
    transition: border-color 0.2s, background 0.2s;
  }

  .why-version.active {
    border-color: var(--red);
    background: var(--surface);
  }

  .why-version-label {
    font-family: 'Space Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--red);
    margin-bottom: 12px;
    text-transform: uppercase;
  }

  .why-version p {
    font-size: 15px;
    color: var(--grey-light);
    line-height: 1.75;
    font-weight: 300;
  }

  .why-right {
    padding-top: 8px;
  }

  /* ── CTA ── */
  #scorecard {
    background: var(--bg);
    text-align: center;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
  }

  #scorecard::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(57,255,20,0.06) 0%, transparent 70%);
    pointer-events: none;
  }

  .cta-headline {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(48px, 7vw, 96px);
    line-height: 0.95;
    margin-bottom: 24px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }

  .cta-sub {
    font-size: 16px;
    color: var(--grey-light);
    max-width: 480px;
    margin: 0 auto 48px;
    line-height: 1.7;
    font-weight: 300;
  }

  .cta-form {
    display: flex;
    justify-content: center;
    gap: 0;
    max-width: 480px;
    margin: 0 auto;
  }

  .cta-form input {
    flex: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    border-right: none;
    color: var(--white);
    padding: 16px 20px;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
  }

  .cta-form input::placeholder { color: var(--grey); }
  .cta-form input:focus { border-color: var(--red); }

  .cta-form button {
    background: var(--red);
    color: #111111;
    border: none;
    padding: 16px 28px;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
  }

  .cta-form button:hover { background: var(--red-bright); }

  .cta-note {
    margin-top: 16px;
    font-size: 12px;
    color: var(--grey);
    font-family: 'Space Mono', monospace;
    letter-spacing: 0.05em;
  }

  /* ── HUBSPOT FORM OVERRIDES ── */
  #hs-form-virality-container { display: none !important; }
  .cta-form .hs-form-frame,
  .cta-form form.hs-form { width: 100%; }

  /* Flatten the form into a single flex row */
  .cta-form form.hs-form {
    display: flex !important;
    flex-direction: row !important;
    align-items: stretch !important;
    gap: 0 !important;
  }

  /* Email field takes remaining space */
  .cta-form .hs_email {
    flex: 1 !important;
    margin-bottom: 0 !important;
  }

  /* Hide the label */
  .cta-form .hs_email label,
  .cta-form .hs-field-desc { display: none !important; }

  /* Remove wrapper padding */
  .cta-form .hs_email .input { margin: 0 !important; }

  .cta-form .hs-input {
    width: 100% !important;
    height: 100% !important;
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-right: none !important;
    color: var(--white) !important;
    padding: 16px 20px !important;
    font-family: 'DM Sans', sans-serif !important;
    font-size: 14px !important;
    outline: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    transition: border-color 0.2s;
  }

  .cta-form .hs-input::placeholder { color: var(--grey) !important; }
  .cta-form .hs-input:focus { border-color: var(--red) !important; }

  /* Submit button flush right */
  .cta-form .hs_submit {
    flex-shrink: 0 !important;
    margin-bottom: 0 !important;
  }

  .cta-form .hs_submit .actions { padding: 0 !important; }

  .cta-form .hs-button {
    height: 100% !important;
    background: var(--red) !important;
    color: #111111 !important;
    border: none !important;
    padding: 16px 28px !important;
    font-family: 'Space Mono', monospace !important;
    font-size: 11px !important;
    letter-spacing: 0.12em !important;
    text-transform: uppercase !important;
    cursor: pointer !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    transition: background 0.2s !important;
    white-space: nowrap !important;
  }

  .cta-form .hs-button:hover { background: var(--red-bright) !important; }

  /* Validation errors below the row */
  .cta-form .hs-error-msgs {
    list-style: none !important;
    padding: 0 !important;
    margin: 8px 0 0 !important;
    color: #ff4444 !important;
    font-size: 12px !important;
    font-family: 'Space Mono', monospace !important;
  }

  /* ── FOOTER ── */
  footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
  }

  .footer-logo-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 18px;
    letter-spacing: 0.08em;
    color: var(--white);
  }

  .footer-logo-name span { color: var(--red); }

  .footer-links {
    display: flex;
    gap: 32px;
    list-style: none;
  }

  .footer-links a {
    text-decoration: none;
    color: var(--grey);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.2s;
  }

  .footer-links a:hover { color: var(--white); }

  .footer-legal {
    font-size: 11px;
    color: var(--grey);
    font-family: 'Space Mono', monospace;
  }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes slideInRight {
    from { opacity: 0; transform: translateX(60px); }
    to { opacity: 1; transform: translateX(0); }
  }

  @keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-60px); }
    to { opacity: 1; transform: translateX(0); }
  }

  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Scroll-triggered stats */
  .problem-stat { opacity: 0; }
  .problem-stat.animate { animation: slideInRight 0.85s ease forwards; }
  .problem-stat:nth-child(2).animate { animation-delay: 0.25s; }

  /* Scroll-triggered service cards */
  .service-card { opacity: 0; }
  .service-card.animate-up { animation: fadeInUp 0.6s ease forwards; }
  .service-card.animate-left { animation: slideInLeft 0.6s ease forwards; animation-delay: 0.15s; }
  .service-card.animate-right { animation: slideInRight 0.6s ease forwards; animation-delay: 0.3s; }

  /* Scroll-triggered step list */
  .step-list li { opacity: 0; }
  .step-list li.animate { animation: fadeInUp 0.55s ease forwards; }
  .step-list li:nth-child(2).animate { animation-delay: 0.15s; }
  .step-list li:nth-child(3).animate { animation-delay: 0.3s; }
  .step-list li:nth-child(4).animate { animation-delay: 0.45s; }

  /* ── HAMBURGER ── */
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
  }

  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
  }

  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* ── MOBILE ── */
  @media (max-width: 768px) {

    .hamburger { display: flex; }

    .nav-inner { padding: 16px 24px; }

    .nav-links {
      display: none;
      position: fixed;
      top: 65px;
      left: 0;
      right: 0;
      background: rgba(17,17,17,0.98);
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      padding: 16px 0;
      border-bottom: 1px solid var(--border);
    }

    .nav-links.open { display: flex; }

    .nav-links li { width: 100%; }

    .nav-links a {
      display: block;
      padding: 14px 24px;
      font-size: 14px;
      border-bottom: 1px solid var(--border);
    }

    .nav-cta {
      margin: 16px 24px 8px !important;
      display: inline-block !important;
      width: calc(100% - 48px) !important;
      text-align: center !important;
    }

    #hero {
      padding: 120px 0 60px;
    }

    #hero .container,
    section .container {
      padding: 0 24px;
    }

    .hero-headline { font-size: clamp(40px, 12vw, 64px); }

    .hero-sub { font-size: 15px; }

    .btn-primary {
      font-size: 11px;
      padding: 14px 24px;
    }

    section { padding: 64px 0; }

    .section-header { font-size: clamp(32px, 8vw, 48px); }

    /* Stack all 2-col grids */
    #problem .inner,
    #what-we-do .inner,
    #who-its-for .inner,
    #why-us .inner {
      grid-template-columns: 1fr;
      gap: 40px;
    }

    /* Stats: 2 col on mobile */
    .stats-grid {
      grid-template-columns: 1fr 1fr;
    }

    /* Services: single col */
    .services-grid {
      grid-template-columns: 1fr;
    }

    .service-card.featured { grid-column: 1; }

    .service-card { padding: 32px 24px; }

    /* Problem stats side by side */
    #problem .inner > div:last-child {
      display: flex;
      gap: 24px;
    }

    .problem-stat { flex: 1; }
    .problem-stat-num { font-size: 52px; }

    /* Who it's for */
    .audience-block { padding: 28px 24px; }

    .prereq {
      margin: 20px auto 0;
      padding: 16px 0;
    }

    .prereq p { font-size: 15px; font-style: italic; }

    /* CTA form stacks */
    .cta-form {
      flex-direction: column;
      max-width: 100%;
    }

    .cta-form input {
      border-right: 1px solid var(--border);
      border-bottom: none;
    }

    .cta-form button { width: 100%; }

    /* Footer stacks */
    .container[style*="justify-content:space-between"] {
      flex-direction: column;
      gap: 32px;
      align-items: flex-start !important;
    }

    .footer-links {
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Step list */
    .step-list li { gap: 14px; }

    /* Hero bg mark hidden on mobile */
    .hero-bg-mark { display: none; }

    .cta-headline { font-size: clamp(36px, 10vw, 56px); }
  }

  @media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat-number { font-size: 44px; }
  }

  /* ── AI MARK SVG (based on uploaded logo inspiration) ── */
  .ai-mark-svg {
    fill: var(--red);
  }
