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

  :root {
    --navy:     #080D1C;
    --card:     #0F1626;
    --card2:    #131B2E;
    --border:   #1C2A40;
    --cyan:     #00C8FF;
    --cyan-dim: #00364A;
    --amber:    #FFB830;
    --white:    #F0F4FA;
    --muted:    #6B7A92;
    --body-w:   1120px;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--navy);
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    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: 16px 40px;
    background: rgba(8,13,28,0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
  }
  .nav-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700; font-size: 1.2rem;
    letter-spacing: -0.03em; color: var(--white);
    text-decoration: none;
  }
  .nav-logo span { color: var(--cyan); }
  nav ul { list-style: none; display: flex; gap: 30px; }
  nav ul a { font-size: 0.87rem; font-weight: 500; color: var(--muted); text-decoration: none; transition: color .2s; }
  nav ul a:hover { color: var(--white); }
  .nav-cta {
    background: var(--cyan); color: var(--navy);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700; font-size: 0.87rem;
    padding: 9px 22px; border-radius: 6px;
    text-decoration: none; transition: opacity .2s;
    white-space: nowrap;
  }
  .nav-cta:hover { opacity: .85; }

  /* ── HEATMAP CANVAS STRIP ── */
  #hmCanvas {
    display: block; width: 100%; height: 72px;
  }

  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    text-align: center;
    padding: 130px 24px 60px;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% 60%, rgba(0,200,255,0.07) 0%, transparent 70%);
    pointer-events: none;
  }
  .hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.76rem; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--cyan); border: 1px solid var(--cyan-dim);
    padding: 5px 14px; border-radius: 20px; margin-bottom: 28px;
  }
  .hero-eyebrow::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%;
    background: var(--cyan);
    animation: blink 1.4s ease-in-out infinite;
  }
  @keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }
  .hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.4rem, 5.5vw, 4rem);
    font-weight: 700; line-height: 1.08;
    letter-spacing: -0.03em;
    max-width: 860px;
  }
  .hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--cyan) 0%, #7FE8FF 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  }
  .hero-sub {
    margin-top: 22px; font-size: 1.05rem; color: var(--muted);
    max-width: 580px; line-height: 1.75;
  }
  .hero-actions {
    margin-top: 40px;
    display: flex; gap: 14px; flex-wrap: wrap; justify-content: center;
  }
  .btn-primary {
    background: var(--cyan); color: var(--navy);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700; font-size: 1rem;
    padding: 15px 34px; border-radius: 8px;
    text-decoration: none; display: inline-block;
    transition: opacity .2s, transform .15s;
  }
  .btn-primary:hover { opacity: .88; transform: translateY(-1px); }
  .btn-ghost {
    background: transparent; color: var(--white);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600; font-size: 1rem;
    padding: 15px 34px; border-radius: 8px;
    border: 1px solid var(--border);
    text-decoration: none; display: inline-block;
    transition: border-color .2s;
  }
  .btn-ghost:hover { border-color: var(--muted); }
  .product-preview {
    width: min(1380px, calc(100vw - 48px));
    margin-top: 52px;
    position: relative;
    z-index: 1;
  }
  .product-preview::before {
    content: '';
    position: absolute;
    inset: -18px 8% -28px;
    background: radial-gradient(ellipse at center, rgba(0,200,255,.17), transparent 68%);
    filter: blur(24px);
    pointer-events: none;
  }
  .product-window {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(127,232,255,.24);
    border-radius: 14px;
    background: #050a12;
    box-shadow:
      0 28px 80px rgba(0,0,0,.48),
      0 0 0 1px rgba(255,255,255,.025) inset;
  }
  .product-window-bar {
    height: 34px;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 0 13px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, #111a2b, #0a1120);
  }
  .product-window-bar span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #324058;
  }
  .product-window-title {
    margin-left: 7px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: .7rem;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .product-window img {
    display: block;
    width: 100%;
    height: auto;
    background: #050a12;
  }
  .product-caption {
    margin-top: 14px;
    color: var(--muted);
    font-size: .79rem;
    letter-spacing: .02em;
  }
  .hero-stats {
    margin-top: 46px;
    display: flex; gap: 52px; flex-wrap: wrap; justify-content: center;
  }
  .stat { text-align: center; }
  .stat-val {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem; font-weight: 700; letter-spacing: -0.03em;
    color: var(--white);
  }
  .stat-val span { color: var(--cyan); }
  .stat-label { font-size: 0.8rem; color: var(--muted); margin-top: 3px; }

  /* ── SECTIONS ── */
  section { padding: 96px 24px; }
  .container { max-width: var(--body-w); margin: 0 auto; }
  .section-tag {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.73rem; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--cyan); margin-bottom: 14px;
  }
  .section-h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 700; letter-spacing: -0.025em; line-height: 1.15;
    max-width: 560px;
  }
  .section-lead {
    margin-top: 14px; font-size: 0.97rem; color: var(--muted);
    max-width: 500px; line-height: 1.75;
  }

  /* ── FEATURES ── */
  .features-grid {
    margin-top: 56px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 20px;
  }
  .feat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px; padding: 30px;
    transition: border-color .25s, background .25s;
  }
  .feat-card:hover { border-color: rgba(0,200,255,.3); background: var(--card2); }
  .feat-icon {
    width: 42px; height: 42px; border-radius: 9px;
    background: var(--cyan-dim);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; margin-bottom: 18px;
  }
  .feat-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem; font-weight: 600; margin-bottom: 8px;
  }
  .feat-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.65; }

  /* ── ARCHITECTURE BAND ── */
  .arch-band {
    background: var(--card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .arch-grid {
    margin-top: 52px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
  .arch-item {
    padding: 32px 28px;
    border-right: 1px solid var(--border);
  }
  .arch-item:last-child { border-right: none; }
  .lifecycle-grid {
    gap: 1px;
    border: 1px solid var(--border);
    background: var(--border);
  }
  .lifecycle-grid .arch-item {
    border-right: 0;
    background: var(--card);
  }
  .arch-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--cyan); margin-bottom: 10px;
  }
  .arch-item h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.97rem; font-weight: 600; margin-bottom: 8px;
  }
  .arch-item p { font-size: 0.86rem; color: var(--muted); line-height: 1.6; }

  /* ── PRICING ── */
  .pricing-wrap { display: flex; justify-content: center; margin-top: 56px; }
  .price-card {
    background: var(--card);
    border: 1px solid var(--cyan-dim);
    border-radius: 16px; padding: 46px 50px;
    width: 100%; max-width: 460px; text-align: center;
    position: relative;
    box-shadow: 0 0 80px rgba(0,200,255,.06);
  }
  .price-badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--cyan); color: var(--navy);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; padding: 5px 18px; border-radius: 20px;
  }
  .price-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.07em; color: var(--muted); margin-top: 16px; margin-bottom: 6px;
  }
  .price-amount {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.8rem; font-weight: 700; letter-spacing: -0.04em;
    color: var(--white); line-height: 1;
  }
  .price-amount sup { font-size: 1.5rem; vertical-align: super; }
  .price-note { font-size: 0.8rem; color: var(--muted); margin-top: 5px; }
  .price-divider { border: none; border-top: 1px solid var(--border); margin: 30px 0; }
  .price-features { list-style: none; text-align: left; }
  .price-features li {
    display: flex; align-items: flex-start; gap: 11px;
    font-size: 0.91rem; color: var(--white);
    margin-bottom: 13px; line-height: 1.5;
  }
  .price-features li::before {
    content: '✓'; color: var(--cyan); font-weight: 700;
    flex-shrink: 0; margin-top: 1px;
  }
  .price-cta {
    display: flex;
    width: 100%;
    min-height: 52px;
    margin-top: 34px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 8px;
    background: var(--cyan);
    color: var(--navy);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: opacity .2s, transform .15s, box-shadow .2s;
    box-shadow: 0 8px 24px rgba(0,200,255,.14);
  }
  .price-cta:hover {
    opacity: .9;
    transform: translateY(-1px);
  }
  .price-cta:focus-visible {
    outline: 3px solid rgba(0,200,255,.28);
    outline-offset: 3px;
  }
  .price-cta:disabled {
    opacity: .62;
    cursor: wait;
    transform: none;
  }
  .price-guarantee { margin-top: 14px; font-size: 0.79rem; color: var(--muted); }
  .checkout-form {
    margin-top: 26px;
    text-align: left;
  }
  .checkout-form label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
  }
  .checkout-form input {
    width: 100%;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #091121;
    color: var(--white);
    padding: 0 14px;
    font: inherit;
    outline: none;
  }
  .checkout-form input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0,200,255,.14);
  }
  .checkout-form .checkout-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 14px 0;
    color: var(--muted);
    font-size: .78rem;
    font-weight: 500;
    letter-spacing: 0;
    line-height: 1.45;
    text-transform: none;
  }
  .checkout-form .checkout-consent input {
    width: auto;
    height: auto;
    margin-top: 3px;
    accent-color: var(--cyan);
  }
  .checkout-form .checkout-consent a { color: var(--cyan); }
  .checkout-status {
    display: none;
    margin-top: 12px;
    border: 1px solid #6b2631;
    border-radius: 8px;
    background: rgba(255,80,90,.08);
    color: #ffb3ba;
    padding: 10px 12px;
    font-size: 0.84rem;
    line-height: 1.5;
  }
  .download-grid {
    margin-top: 34px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
  }
  .download-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 26px;
  }
  .download-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .download-card p a,
  .content-panel a,
  .faq-list p a {
    color: var(--cyan);
    text-underline-offset: 3px;
  }
  .download-card p {
    color: var(--muted);
    font-size: .88rem;
    line-height: 1.65;
    min-height: 72px;
  }
  .download-card .btn-primary,
  .download-card .btn-ghost {
    width: 100%;
    margin-top: 20px;
    text-align: center;
  }
  .activation-panel {
    display: none;
    border: 1px solid var(--cyan-dim);
    border-radius: 16px;
    background: var(--card);
    max-width: 720px;
    margin: 30px auto 0;
    padding: 28px;
    text-align: center;
  }
  .activation-code {
    margin: 18px auto 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #091121;
    color: var(--white);
    font-family: Consolas, "Courier New", monospace;
    font-size: clamp(1.1rem, 3vw, 1.8rem);
    font-weight: 700;
    letter-spacing: .04em;
    padding: 18px;
    word-break: break-word;
  }

  /* ── SYSTEM REQUIREMENTS ── */
  .req-grid {
    margin-top: 48px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
  }
  .req-item {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 22px 24px;
  }
  .req-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.73rem; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--cyan); margin-bottom: 6px;
  }
  .req-val { font-size: 0.9rem; color: var(--white); font-weight: 500; }

  /* ── FAQ ── */
  .faq-list { margin-top: 48px; max-width: 720px; }
  details { border-bottom: 1px solid var(--border); padding: 20px 0; }
  summary {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.96rem; font-weight: 600;
    cursor: pointer; list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
  }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: '+'; color: var(--cyan); font-size: 1.3rem; flex-shrink: 0; transition: transform .2s; }
  details[open] summary::after { transform: rotate(45deg); }
  details p { margin-top: 12px; font-size: 0.89rem; color: var(--muted); line-height: 1.75; }

  /* ── FOOTER CTA ── */
  .footer-cta {
    border-top: 1px solid var(--border);
    text-align: center; padding: 80px 24px;
    background: linear-gradient(180deg, #0B1222 0%, var(--navy) 100%);
  }
  .footer-cta h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.7rem, 3.5vw, 2.6rem);
    font-weight: 700; letter-spacing: -0.025em;
    max-width: 580px; margin: 0 auto 14px;
  }
  .footer-cta p { font-size: 0.96rem; color: var(--muted); margin-bottom: 34px; }
  footer {
    border-top: 1px solid var(--border);
    padding: 26px 40px;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
  }
  footer p { font-size: 0.79rem; color: var(--muted); }
  footer a { color: var(--muted); font-size: 0.79rem; text-decoration: none; }
  footer a:hover { color: var(--white); }

  @media (max-width: 640px) {
    nav ul { display: none; }
    nav { padding: 14px 20px; }
    .product-preview { width: calc(100vw - 24px); margin-top: 38px; }
    .product-window { border-radius: 9px; }
    .product-window-bar { height: 28px; }
    .product-caption { padding: 0 8px; line-height: 1.5; }
    .price-card { padding: 38px 24px; }
    .download-grid { grid-template-columns: 1fr; }
    .download-card p { min-height: 0; }
    .arch-item { border-right: none; border-bottom: 1px solid var(--border); }
    .arch-item:last-child { border-bottom: none; }
  }


/* ── MULTI-PAGE SITE ── */
.nav-current {
  color: var(--white) !important;
}
.page-hero {
  padding: 148px 24px 66px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 70% 80% at 50% 100%, rgba(0,200,255,.07), transparent 70%),
    var(--navy);
}
.page-hero .container {
  text-align: center;
}
.page-hero .section-tag,
.page-hero .section-h2,
.page-hero .section-lead {
  margin-left: auto;
  margin-right: auto;
}
.page-hero .section-h2 {
  max-width: 760px;
}
.page-hero .section-lead {
  max-width: 650px;
}
.explore-grid {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.explore-link {
  color: inherit;
  text-decoration: none;
}
.explore-link .feat-card {
  height: 100%;
}
.inline-link {
  color: var(--cyan);
  text-decoration: none;
}
.inline-link:hover {
  text-decoration: underline;
}
.content-panel {
  max-width: 820px;
  margin: 0 auto;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}
.content-panel h2,
.content-panel h3 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.25;
}
.content-panel h2 {
  font-size: 1.5rem;
  margin: 34px 0 12px;
}
.content-panel h2:first-child {
  margin-top: 0;
}
.content-panel h3 {
  font-size: 1rem;
  margin: 22px 0 8px;
}
.content-panel p,
.content-panel li {
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.78;
}
.content-panel p + p {
  margin-top: 12px;
}
.content-panel ul,
.content-panel ol {
  margin: 12px 0 0 22px;
}
.content-panel li + li {
  margin-top: 8px;
}
.notice {
  max-width: 820px;
  margin: 0 auto 20px;
  border: 1px solid rgba(255,184,48,.35);
  border-radius: 10px;
  background: rgba(255,184,48,.07);
  color: #ffd890;
  padding: 14px 16px;
  font-size: .86rem;
  line-height: 1.6;
}
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.support-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.support-card h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.support-card p,
.support-card li {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.7;
}
.support-card ul {
  margin: 12px 0 0 20px;
}
.support-card li + li {
  margin-top: 7px;
}
.simple-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.error-page {
  min-height: calc(100vh - 150px);
  display: grid;
  place-items: center;
  padding: 140px 24px 70px;
  text-align: center;
}
.error-code {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--cyan);
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 700;
  line-height: 1;
}
.error-page h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  margin-top: 12px;
}
.error-page p {
  max-width: 520px;
  margin: 14px auto 28px;
  color: var(--muted);
}

@media (max-width: 800px) {
  .explore-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .page-hero {
    padding-top: 120px;
  }
  .content-panel {
    padding: 24px;
  }
}