*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --black: #0a0a0a;
    --white: #ffffff;
    --steel: #1c1e24;
    --steel-mid: #2e3039;
    --steel-light: #4a4d5a;
    --accent: #c8f04a;
    --muted: #888c99;
    --border: rgba(255,255,255,0.08);
    --border-light: rgba(255,255,255,0.15);
    --sans: 'Space Grotesk', system-ui, sans-serif;
    --mono: 'Space Mono', monospace;
  }
  html { scroll-behavior: smooth; }
  body { font-family: var(--sans); background: var(--black); color: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }

  /* NAV */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 3rem;
    height: 64px;
    background: rgba(10,10,10,0.92); backdrop-filter: blur(12px);
    border-bottom: 0.5px solid var(--border);
  }
  .nav-logo { font-family: var(--mono); font-size: 15px; font-weight: 700; letter-spacing: 0.05em; color: var(--accent); text-decoration: none; }
  .nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
  .nav-links a { font-size: 14px; color: #ffffff; text-decoration: none; transition: color 0.2s; }
  .nav-links a:hover { color: var(--accent); }
  .nav-cta { background: var(--accent); color: var(--black); font-family: var(--sans); font-size: 13px; font-weight: 700; padding: 0.5rem 1.25rem; border: none; cursor: pointer; letter-spacing: 0.04em; text-transform: uppercase; transition: opacity 0.2s; }
  .nav-cta:hover { opacity: 0.85; }
  .nav-login { font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--muted); text-decoration: none; border: 0.5px solid var(--border-light); padding: 0.5rem 1.25rem; letter-spacing: 0.04em; text-transform: uppercase; transition: color 0.2s, border-color 0.2s; }
  .nav-login:hover { color: var(--white); border-color: var(--white); }

  section { padding: 6rem 3rem; }

  /* HERO */
  .hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 12rem 3rem 6rem; position: relative; overflow: hidden; }
  .hero::before { content: ''; position: absolute; top: -200px; right: -200px; width: 700px; height: 700px; background: radial-gradient(circle, rgba(200,240,74,0.07) 0%, transparent 65%); pointer-events: none; }
  .hero-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.75rem; }
  .hero-eyebrow::before { content: ''; display: inline-block; width: 2rem; height: 1px; background: var(--accent); }
  .hero h1 { font-size: clamp(3rem, 7vw, 6.5rem); font-weight: 700; line-height: 1.0; letter-spacing: -0.03em; max-width: 900px; margin-bottom: 1rem; color: var(--white); }
  .hero h1 em { font-style: normal; color: var(--accent); }
  .hero-sub { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--muted); max-width: 560px; margin: 1.5rem 0 2.5rem; line-height: 1.7; }
  .hero-actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
  .btn-primary { background: var(--accent); color: var(--black); font-family: var(--sans); font-size: 14px; font-weight: 700; padding: 0.875rem 2rem; border: none; cursor: pointer; letter-spacing: 0.04em; text-transform: uppercase; transition: opacity 0.2s; text-decoration: none; display: inline-block; }
  .btn-primary:hover { opacity: 0.85; }
  .btn-ghost { background: transparent; color: var(--white); font-family: var(--sans); font-size: 14px; font-weight: 500; padding: 0.875rem 2rem; border: 0.5px solid var(--border-light); cursor: pointer; transition: border-color 0.2s; text-decoration: none; display: inline-block; }
  .btn-ghost:hover { border-color: var(--white); }

  .hero-stat-row { margin-top: 5rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 0.5px solid var(--border); padding-top: 2.5rem; max-width: 620px; }
  .hero-stat { padding-right: 2rem; border-right: 0.5px solid var(--border); }
  .hero-stat:last-child { border-right: none; padding-left: 2rem; padding-right: 0; }
  .hero-stat:nth-child(2) { padding-left: 2rem; }
  .hero-stat .num { font-family: var(--mono); font-size: 2rem; font-weight: 700; color: var(--accent); line-height: 1; }
  .hero-stat .label { font-size: 12px; color: var(--muted); margin-top: 0.35rem; line-height: 1.4; }

  /* TICKER */
  .ticker-wrap { overflow: hidden; border-top: 0.5px solid var(--border); border-bottom: 0.5px solid var(--border); padding: 0.85rem 0; background: var(--steel); }
  .ticker { display: flex; white-space: nowrap; }
  .ticker-inner { display: flex; gap: 3rem; padding-right: 3rem; animation: ticker 55s linear infinite; will-change: transform; }
  .ticker span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
  .ticker span b { color: var(--accent); font-weight: 700; }
  @keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-100%); } }

  .section-divider { border: none; border-top: 0.5px solid var(--border); margin: 0 3rem; }
  .section-label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }

  /* PROBLEM */
  .problem-headline { font-size: clamp(1.75rem, 3.5vw, 3rem); font-weight: 700; letter-spacing: -0.02em; max-width: 700px; line-height: 1.15; margin-bottom: 1.5rem; color: var(--white); }
  .problem-body { font-size: 1.1rem; color: var(--muted); max-width: 600px; line-height: 1.75; margin-bottom: 3rem; }
  .pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1px; background: var(--border); border: 0.5px solid var(--border); margin-top: 3rem; }
  .pain-card { background: var(--black); padding: 2rem; }
  .pain-icon { font-size: 1.5rem; margin-bottom: 1rem; color: var(--steel-light); }
  .pain-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--white); }
  .pain-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }

  /* ZDOS */
  .zdos-section { background: var(--steel); }
  .zdos-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
  .zdos-left h2 { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 1.5rem; color: var(--white); }
  .zdos-left p { font-size: 1rem; color: var(--muted); line-height: 1.75; margin-bottom: 1rem; }
  .zdos-pillars { display: flex; flex-direction: column; gap: 0; }
  .pillar { display: flex; gap: 1.25rem; padding: 1.5rem 0; border-bottom: 0.5px solid var(--border); }
  .pillar:first-child { border-top: 0.5px solid var(--border); }
  .pillar-num { font-family: var(--mono); font-size: 11px; color: var(--accent); font-weight: 700; padding-top: 2px; min-width: 2rem; }
  .pillar-content h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.3rem; color: var(--white); }
  .pillar-content p { font-size: 0.875rem; color: var(--muted); line-height: 1.6; }

  /* PERSONAS */
  .personas-section { background: var(--black); }
  .personas-section h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 0.75rem; max-width: 600px; color: var(--white); }
  .personas-section .intro { font-size: 1rem; color: var(--muted); max-width: 520px; margin-bottom: 3.5rem; line-height: 1.7; }
  .persona-tabs { display: flex; gap: 0; border-bottom: 0.5px solid var(--border); margin-bottom: 2.5rem; }
  .p-tab { font-family: var(--sans); font-size: 13px; font-weight: 600; padding: 0.85rem 1.5rem; background: none; border: none; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -0.5px; transition: color 0.2s, border-color 0.2s; text-transform: uppercase; letter-spacing: 0.05em; }
  .p-tab.active { color: var(--white); border-bottom-color: var(--accent); }
  .p-tab:hover:not(.active) { color: var(--white); }
  .persona-panel { display: none; }
  .persona-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
  .persona-left h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; color: var(--white); letter-spacing: -0.01em; }
  .persona-left p { font-size: 0.95rem; color: var(--muted); line-height: 1.75; margin-bottom: 1.25rem; }
  .persona-wins { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
  .persona-wins li { font-size: 0.875rem; color: var(--muted); padding-left: 1.25rem; position: relative; line-height: 1.5; }
  .persona-wins li::before { content: '→'; position: absolute; left: 0; color: var(--accent); font-size: 0.8rem; }
  .persona-quote { background: var(--steel); border-left: 2px solid var(--accent); padding: 1.75rem; }
  .persona-quote blockquote { font-size: 1.05rem; line-height: 1.7; color: var(--white); font-style: italic; margin-bottom: 1rem; }
  .persona-quote cite { font-size: 12px; color: var(--muted); font-style: normal; font-family: var(--mono); }

  /* HOW IT WORKS */
  .how-section { background: var(--steel); }
  .how-section h2 { font-size: clamp(1.75rem, 3vw, 2.75rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.75rem; color: var(--white); }
  .how-section .intro { font-size: 1rem; color: var(--muted); max-width: 520px; margin-bottom: 4rem; line-height: 1.7; }
  .steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--border); border: 0.5px solid var(--border); }
  .step-card { background: var(--steel); padding: 2rem 1.75rem; transition: background 0.2s; }
  .step-card:hover { background: var(--steel-mid); }
  .step-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; color: var(--accent); text-transform: uppercase; margin-bottom: 1.25rem; font-weight: 700; }
  .step-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--white); }
  .step-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.6; }

  /* LEAD CAPTURE */
  .lead-section { background: var(--black); border-top: 0.5px solid var(--border); }
  .lead-inner { max-width: 680px; margin: 0 auto; text-align: center; }
  .lead-inner .section-label { text-align: center; display: block; }
  .lead-inner h2 { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 700; letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 1rem; color: var(--white); }
  .lead-inner h2 em { font-style: normal; color: var(--accent); }
  .lead-inner p { font-size: 1rem; color: var(--muted); margin-bottom: 2.5rem; line-height: 1.7; }
  .lead-form { display: flex; gap: 0; max-width: 480px; margin: 0 auto 1rem; border: 0.5px solid var(--border-light); }
  .lead-form input[type="email"] { flex: 1; background: transparent; border: none; padding: 0.875rem 1.25rem; color: var(--white); font-family: var(--sans); font-size: 14px; outline: none; }
  .lead-form input[type="email"]::placeholder { color: var(--muted); }
  .lead-form input[type="text"] { flex: 1; background: transparent; border: none; padding: 0.875rem 1.25rem; color: var(--white); font-family: var(--sans); font-size: 14px; outline: none; display: none; }
  .lead-form button { background: var(--accent); color: var(--black); border: none; padding: 0.875rem 1.5rem; font-family: var(--sans); font-size: 13px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; cursor: pointer; transition: opacity 0.2s; white-space: nowrap; }
  .lead-form button:hover { opacity: 0.85; }
  .lead-fine { font-size: 12px; color: var(--steel-light); }
  .lead-alt { margin-top: 1.5rem; display: flex; align-items: center; justify-content: center; gap: 1rem; }
  .lead-alt span { font-size: 12px; color: var(--steel-light); }
  .lead-alt a { font-size: 13px; font-weight: 600; color: var(--white); text-decoration: none; border-bottom: 0.5px solid var(--border-light); padding-bottom: 1px; transition: border-color 0.2s; }
  .lead-alt a:hover { border-color: var(--white); }

  /* FOOTER */
  footer { padding: 2.5rem 3rem; border-top: 0.5px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
  footer .foot-logo { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--accent); }
  footer p { font-size: 12px; color: var(--steel-light); }

  /* SUCCESS / ERROR */
  #success-msg { display: none; font-family: var(--mono); font-size: 13px; color: var(--accent); padding: 1rem; border: 0.5px solid rgba(200,240,74,0.3); max-width: 480px; margin: 0 auto 1rem; text-align: left; }
  #error-msg { display: none; font-family: var(--mono); font-size: 13px; color: #ff6b6b; padding: 1rem; border: 0.5px solid rgba(255,107,107,0.3); max-width: 480px; margin: 0 auto 1rem; text-align: left; }

  /* NAV DROPDOWNS */
  .nav-item { position: relative; list-style: none; }
  .nav-item > a,
  .nav-item > button.nav-drop-btn {
    font-size: 14px; color: #ffffff; text-decoration: none;
    transition: color 0.2s; background: none; border: none;
    cursor: pointer; font-family: var(--sans); font-weight: 500;
    display: flex; align-items: center; gap: 0.3rem; padding: 0;
  }
  .nav-item > a:hover,
  .nav-item > button.nav-drop-btn:hover { color: var(--accent); }
  .nav-item.open > button.nav-drop-btn { color: var(--accent); }
  .drop-chevron { width: 10px; height: 10px; opacity: 0.45; transition: transform 0.2s; }
  .nav-item.open .drop-chevron { transform: rotate(180deg); opacity: 0.8; }
  .nav-dropdown {
    position: absolute; top: calc(100% + 14px); left: 0;
    background: #111113; border: 0.5px solid rgba(255,255,255,0.12);
    min-width: 240px; padding: 0.4rem;
    opacity: 0; pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.15s, transform 0.15s;
    box-shadow: 0 12px 32px rgba(0,0,0,0.5); z-index: 200;
  }
  .nav-item.open .nav-dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
  .nav-dropdown a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.6rem 0.85rem; border-radius: 2px;
    font-size: 13px; font-weight: 500; color: #bbb;
    text-decoration: none; transition: background 0.12s, color 0.12s;
  }
  .nav-dropdown a:hover { background: rgba(255,255,255,0.06); color: var(--white); }
  .nav-dropdown-divider { height: 0.5px; background: rgba(255,255,255,0.08); margin: 0.3rem 0.4rem; }
  .locked-header { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.85rem 0.4rem; }
  .locked-header-text { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.28); text-transform: uppercase; }
  .blur-row { display: flex; align-items: center; gap: 0.5rem; padding: 0.55rem 0.85rem; cursor: default; }
  .blur-bar { height: 7px; border-radius: 4px; background: rgba(255,255,255,0.18); filter: blur(3px); opacity: 0.4; flex: 0 0 auto; }
  .blur-lock { font-size: 0.6rem; opacity: 0.25; margin-left: auto; flex-shrink: 0; }
  .locked-contact-link { display: block !important; padding: 0.55rem 0.85rem !important; font-size: 0.75rem !important; color: var(--accent) !important; font-weight: 600; letter-spacing: 0.02em; }
  .locked-contact-link:hover { background: rgba(200,240,74,0.07) !important; color: var(--accent) !important; }
  .blur-tool-row { display: flex; align-items: center; gap: 0.5rem; padding: 0.55rem 0.85rem; cursor: default; position: relative; }
  .blur-tool-bar { height: 7px; border-radius: 4px; background: rgba(255,255,255,0.18); filter: blur(3px); opacity: 0.4; flex: 0 0 auto; }
  .blur-tool-lock { font-size: 0.6rem; opacity: 0.25; margin-left: auto; }
  .blur-tool-tooltip { display: none; position: absolute; left: 100%; top: 50%; transform: translateY(-50%); margin-left: 8px; background: #1a1a1c; border: 0.5px solid rgba(255,255,255,0.15); border-radius: 2px; padding: 0.4rem 0.65rem; font-size: 0.72rem; color: #aaa; white-space: nowrap; pointer-events: none; font-family: var(--mono); letter-spacing: 0.03em; box-shadow: 0 4px 12px rgba(0,0,0,0.4); z-index: 300; }
  .blur-tool-tooltip::before { content: ''; position: absolute; right: 100%; top: 50%; transform: translateY(-50%); border: 4px solid transparent; border-right-color: rgba(255,255,255,0.15); }
  .blur-tool-row:hover .blur-tool-tooltip { display: block; }
  .pain-card-link { display: inline-flex; align-items: center; gap: 0.3rem; margin-top: 1rem; font-size: 11px; font-weight: 700; font-family: var(--mono); letter-spacing: 0.07em; text-transform: uppercase; color: var(--accent); text-decoration: none; border-bottom: 0.5px solid rgba(200,240,74,0.3); padding-bottom: 1px; transition: border-color 0.2s; }
  .pain-card-link:hover { border-color: var(--accent); }

  /* FLOATING SUBNAV */
  .subnav {
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    z-index: 89;
    background: #1c1e24;
    border-bottom: 0.5px solid rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    height: 38px;
  }
  .subnav a {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #ffffff;
    text-decoration: none;
    padding: 0 1.75rem;
    height: 100%;
    display: flex;
    align-items: center;
    border-right: 0.5px solid rgba(255,255,255,0.1);
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
  }
  .subnav a:first-child { border-left: 0.5px solid rgba(255,255,255,0.1); }
  .subnav a:hover { color: var(--accent); background: rgba(255,255,255,0.04); }
  .subnav a.subnav-active { color: var(--accent); }


/* MOBILE NAV TOGGLE — hidden on desktop */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 28px; height: 22px; position: relative; padding: 0;
  flex-shrink: 0;
}
.nav-toggle span {
  position: absolute; left: 0; right: 0; height: 2px;
  background: var(--white); transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

/* MOBILE */
@media (max-width: 768px) {
  nav { padding: 0 1.5rem; height: 56px; }
  .subnav { top: 56px; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: fixed; top: 56px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #0a0a0a; border-bottom: 0.5px solid var(--border);
    max-height: calc(100vh - 56px); overflow-y: auto;
    padding: 0.5rem 0;
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-item { width: 100%; }
  .nav-links .nav-drop-btn { width: 100%; justify-content: space-between; padding: 0.9rem 1.5rem; }
  .nav-links .nav-dropdown { position: static; box-shadow: none; background: var(--steel); }
  .nav-item.open .nav-dropdown { display: block; }
  section { padding: 4rem 1.5rem; }
  


    .hero { padding: 9rem 1.5rem 4rem; }
    .hero-stat-row { max-width: 100%; grid-template-columns: 1fr; gap: 1.5rem; border-top: none; }
    .hero-stat { border-right: none; border-top: 0.5px solid var(--border); padding: 1rem 0 0; }
    .hero-stat:nth-child(2) { padding-left: 0; }
    .zdos-layout { grid-template-columns: 1fr; gap: 3rem; }
    .persona-panel.active { grid-template-columns: 1fr; }
    .persona-tabs { overflow-x: auto; }
    footer { flex-direction: column; gap: 1rem; text-align: center; }
    .section-divider { margin: 0 1.5rem; }
  }