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

  :root {
    --teal:    #00d4aa;
    --gold:    #d4a843;
    --red:     #e74c3c;
    --amber:   #f39c12;
    --green:   #2ecc71;
    --purple:  #8e44ad;
    --blue:    #3498db;
    --bg:      #1a1a1a;
    --card:    #242424;
    --grid:    #2d2d2d;
    --t1:      #e2e8f0;
    --t2:      #c0c8d4;
    --t3:      #a0aec0;
    --t4:      #718096;
    --navy:    #1a2744;
  }

  html { scroll-behavior: smooth; }

  .sq-bad  { color: #e74c3c !important; font-size: 10px !important; }
  .sq-good { color: #2ecc71 !important; font-size: 10px !important; }


  body {
    background: var(--bg);
    color: var(--t1);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  /* NAV */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 48px;
    background: rgba(26,26,26,0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--grid);
  }
  .nav-wordmark {
    color: var(--gold);
    font-size: 13px; font-weight: 700;
    letter-spacing: 0.18em; text-transform: uppercase;
  }
  .nav-links { display: flex; gap: 32px; align-items: center; }
  .nav-links a {
    color: var(--t3); font-size: 13px; text-decoration: none;
    transition: color 0.15s;
  }
  .nav-links a:hover { color: var(--teal); }
  .nav-cta {
    background: var(--navy); color: var(--teal) !important;
    border: 1px solid var(--navy);
    padding: 7px 20px; border-radius: 4px;
    font-size: 12px !important; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    transition: background 0.15s !important;
  }
  .nav-cta:hover { background: #243560 !important; color: var(--teal) !important; }

  /* HERO */
  .hero {
    min-height: 100vh;
    display: flex; flex-direction: column;
    justify-content: center; align-items: flex-start;
    padding: 120px 48px 80px;
    max-width: 900px;
    position: relative;
  }
  .hero::after {
    content: '';
    position: fixed; top: 0; right: 0;
    width: 40vw; height: 100vh;
    background: radial-gradient(ellipse at 80% 40%, rgba(0,212,170,0.06) 0%, transparent 70%);
    pointer-events: none; z-index: 0;
  }
  .hero-eyebrow {
    color: var(--teal); font-size: 11px; font-weight: 700;
    letter-spacing: 0.16em; text-transform: uppercase;
    margin-bottom: 20px;
  }
  .hero-headline {
    font-size: clamp(36px, 5vw, 58px);
    font-weight: 700; line-height: 1.1;
    color: var(--t1); margin-bottom: 10px;
    letter-spacing: -0.01em;
  }
  .hero-headline span { color: var(--teal); }
  .hero-tagline {
    font-size: clamp(18px, 2.5vw, 26px);
    color: var(--gold); font-style: italic;
    font-weight: 400; margin-bottom: 28px;
    letter-spacing: 0.01em;
  }
  .hero-sub {
    font-size: 16px; color: var(--t2);
    line-height: 1.7; max-width: 560px;
    margin-bottom: 40px;
  }
  .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
  .btn-primary {
    background: var(--navy); color: var(--teal);
    border: 1px solid var(--navy);
    padding: 12px 28px; border-radius: 4px;
    font-size: 12px; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    text-decoration: none; transition: background 0.15s;
    display: inline-block;
  }
  .btn-primary:hover { background: #243560; }
  .btn-ghost {
    background: transparent; color: var(--t2);
    border: 1px solid var(--grid);
    padding: 12px 28px; border-radius: 4px;
    font-size: 12px; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    text-decoration: none; transition: border-color 0.15s, color 0.15s;
    display: inline-block;
  }
  .btn-ghost:hover { border-color: var(--teal); color: var(--teal); }

  /* TEAL DIVIDER */
  .teal-rule {
    border: none; border-top: 1px solid var(--teal);
    margin: 0 48px;
  }

  /* PROBLEM SECTION */
  .section { padding: 80px 48px; }
  .section-tag {
    color: var(--teal); font-size: 12px; font-weight: 700;
    letter-spacing: 0.14em; text-transform: uppercase;
    margin-bottom: 14px;
  }
  .section-title {
    font-size: clamp(28px, 3vw, 38px); font-weight: 700;
    color: var(--t1); line-height: 1.2;
    margin-bottom: 16px; max-width: 640px;
  }
  .section-body {
    font-size: 15px; color: var(--t2);
    line-height: 1.75; max-width: 600px;
    margin-bottom: 40px;
  }

  /* BEFORE/AFTER */
  .ba-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 2px; margin-top: 40px;
    border: 1px solid var(--grid); border-radius: 6px;
    overflow: hidden;
  }
  .ba-col { padding: 28px 28px; }
  .ba-col.before { background: var(--card); }
  .ba-col.after  { background: #1e2a20; border-left: 2px solid var(--teal); }
  .ba-label {
    font-size: 10px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; margin-bottom: 16px;
  }
  .ba-col.before .ba-label { color: var(--t4); }
  .ba-col.after  .ba-label { color: var(--teal); }
  .ba-item {
    display: flex; align-items: flex-start; gap: 10px;
    margin-bottom: 12px; font-size: 14px; color: var(--t2);
    line-height: 1.5;
  }
  .ba-item .icon { font-size: 13px; flex-shrink: 0; margin-top: 2px; }
  .ba-col.before .icon { color: var(--red); }
  .ba-col.after  .icon { color: var(--green); }

  /* HOW IT WORKS */
  .steps {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1px; background: var(--grid);
    border: 1px solid var(--grid); border-radius: 6px;
    overflow: hidden; margin-top: 40px;
  }
  .step {
    background: var(--card); padding: 28px 24px;
    position: relative;
  }
  .step-num {
    color: var(--teal); font-size: 11px; font-weight: 700;
    letter-spacing: 0.12em; margin-bottom: 12px;
  }
  .step-title {
    font-size: 15px; font-weight: 700; color: var(--t1);
    margin-bottom: 8px; line-height: 1.3;
  }
  .step-body { font-size: 13px; color: var(--t3); line-height: 1.6; }

  /* DECISION BADGES DEMO */
  .badge-row {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-top: 24px;
  }
  .badge {
    display: inline-block; padding: 4px 12px;
    border-radius: 3px; font-size: 11px;
    font-weight: 700; letter-spacing: 0.05em;
    text-transform: uppercase;
  }
  .badge-approve     { background: #2ecc71; color: #0d1117; }
  .badge-monitor     { background: #f39c12; color: #1a1a1a; }
  .badge-escalate    { background: #e74c3c; color: #fff; }
  .badge-reprice     { background: #8e44ad; color: #fff; }
  .badge-investigate { background: #3498db; color: #1a1a1a; }

  /* USE CASES */
  .use-cases {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1px; background: var(--grid);
    border: 1px solid var(--grid); border-radius: 6px;
    overflow: hidden; margin-top: 40px;
  }
  .use-case {
    background: var(--card); padding: 28px 24px;
  }
  .use-case-title {
    font-size: 15px; font-weight: 700; color: var(--t1);
    margin-bottom: 6px;
  }
  .use-case-body { font-size: 13px; color: var(--t3); line-height: 1.6; }

  /* PRICING */
  .pricing-card {
    background: var(--card); border: 1px solid var(--grid);
    border-top: 3px solid var(--teal);
    border-radius: 6px; padding: 40px;
    max-width: 520px; margin-top: 40px;
  }
  .pricing-title {
    font-size: 22px; font-weight: 700; color: var(--t1);
    margin-bottom: 8px;
  }
  .pricing-sub {
    font-size: 14px; color: var(--t3);
    margin-bottom: 28px; line-height: 1.6;
  }
  .pricing-features { list-style: none; margin-bottom: 28px; }
  .pricing-features li {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 14px; color: var(--t2);
    margin-bottom: 10px; line-height: 1.5;
  }
  .pricing-features li::before {
    content: '✓'; color: var(--teal);
    font-weight: 700; flex-shrink: 0;
  }
  .pricing-contact {
    color: var(--t3); font-size: 13px; margin-top: 16px;
  }
  .pricing-contact a {
    color: var(--teal); text-decoration: none;
  }
  .pricing-contact a:hover { text-decoration: underline; }

  /* ABOUT */
  .about-grid {
    display: grid; grid-template-columns: 1fr;
    gap: 48px; align-items: start;
    margin-top: 40px;
  }
  .about-text { font-size: 15px; color: var(--t2); line-height: 1.75; }
  .about-text p { margin-bottom: 16px; }

  /* CTA SECTION */
  .cta-section {
    padding: 80px 48px;
    border-top: 1px solid var(--grid);
    display: flex; flex-direction: column;
    align-items: flex-start; gap: 24px;
  }
  .cta-title {
    font-size: clamp(24px, 3vw, 36px); font-weight: 700;
    color: var(--t1); max-width: 520px; line-height: 1.2;
  }
  .cta-title span { color: var(--teal); }
  .cta-sub { font-size: 15px; color: var(--t3); max-width: 440px; }

  /* FOOTER */
  footer {
    padding: 32px 48px;
    border-top: 1px solid var(--grid);
    display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: 16px;
  }
  .footer-wordmark {
    color: var(--gold); font-size: 11px; font-weight: 700;
    letter-spacing: 0.18em; text-transform: uppercase;
  }
  .footer-tagline {
    color: var(--teal); font-size: 11px; font-style: italic;
    margin-top: 3px;
  }
  .footer-right { font-size: 11px; color: var(--t4); text-align: right; }
  .footer-right a { color: var(--t4); text-decoration: none; }
  .footer-right a:hover { color: var(--teal); }

  /* RESPONSIVE */
  @media (max-width: 768px) {
    nav { padding: 14px 20px; }
    .nav-links { display: none; }
    .nav-cta { display: inline-block !important; }
    .hero { padding: 100px 20px 60px; }
    .section { padding: 60px 20px; }
    .teal-rule { margin: 0 20px; }
    .ba-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .use-cases { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .cta-section { padding: 60px 20px; }
    footer { padding: 24px 20px; flex-direction: column; align-items: flex-start; }
    .footer-right { text-align: left; }
  }

  /* PAGES (website@4): the menu marks the page you are on, inner pages open with a short intro,
     and on a phone the menu shows as a second row instead of disappearing. */
  .nav-links a.active { color: var(--teal); }
  .page-intro { padding: 140px 48px 24px; }
  .page-intro h1 { font-size: 40px; line-height: 1.15; color: var(--t1); margin-bottom: 12px; }
  .page-intro p { font-size: 17px; color: var(--t2); max-width: 720px; line-height: 1.6; }
  .footer-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 12px; font-size: 12px; }
  .footer-links a { color: var(--t3); text-decoration: none; }
  .footer-links a:hover { color: var(--teal); }
  section[id] { scroll-margin-top: 90px; }
  @media (max-width: 768px) {
    nav { flex-wrap: wrap; row-gap: 8px; }
    .nav-links { display: flex !important; width: 100%; gap: 18px; overflow-x: auto; white-space: nowrap; }
    .nav-links a { font-size: 13px; }
    .nav-links .nav-cta { display: none !important; }
    .page-intro { padding: 150px 20px 16px; }
    .page-intro h1 { font-size: 30px; }
  }