:root {
  color-scheme: dark;
  --bg: #06101d;
  --bg-deep: #030914;
  --surface: #0b192b;
  --surface-2: #0f2136;
  --text: #f3f8ff;
  --muted: #b6c8dc;
  --muted-strong: #d0deeb;
  --accent: #55c9ff;
  --accent-strong: #8be5ff;
  --line: #24435f;
  --line-soft: rgba(112, 183, 228, 0.2);
  --danger-soft: #2a1823;
  --danger-line: #8b4967;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.28);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  min-width: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent-strong); text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { color: #c0f2ff; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 4px; border-radius: 5px; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-150%);
  padding: 10px 16px;
  background: var(--text);
  color: var(--bg-deep);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(3, 9, 20, 0.91);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(14px);
}
.nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-weight: 900; letter-spacing: 0.13em; text-decoration: none; }
.brand img { width: 48px; height: 48px; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2vw, 30px); }
.site-nav a { color: var(--muted-strong); font-size: 0.92rem; font-weight: 680; text-decoration: none; white-space: nowrap; }
.site-nav a:hover { color: var(--accent-strong); }
.nav-toggle { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 78% 42%, rgba(48, 167, 255, 0.12), transparent 31%), linear-gradient(180deg, var(--bg-deep), var(--bg));
  border-bottom: 1px solid var(--line-soft);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(74, 141, 190, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(74, 141, 190, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr); align-items: center; gap: 56px; min-height: 700px; padding-block: 92px; }
.eyebrow { margin: 0 0 12px; color: var(--accent-strong); font-size: 0.76rem; font-weight: 850; letter-spacing: 0.15em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.12; }
h1 { margin-bottom: 8px; font-size: clamp(4.1rem, 10vw, 8.5rem); letter-spacing: -0.075em; }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 5vw, 3.65rem); letter-spacing: -0.045em; }
h3 { margin-bottom: 10px; font-size: 1.09rem; letter-spacing: -0.015em; }
.positioning { margin: 0 0 28px; color: var(--accent-strong); font-size: clamp(1.05rem, 2vw, 1.32rem); font-weight: 720; }
.hero-lead { max-width: 720px; margin: 0 0 18px; font-size: clamp(1.25rem, 2.3vw, 1.68rem); line-height: 1.38; }
.hero-detail { max-width: 740px; margin: 0; color: var(--muted); font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 12px 20px; border: 1px solid transparent; border-radius: 10px; font-weight: 820; text-align: center; text-decoration: none; transition: transform 150ms ease, border-color 150ms ease, background-color 150ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: #03101a; box-shadow: 0 0 34px rgba(85, 201, 255, 0.18); }
.button-primary:hover { background: var(--accent-strong); color: #02090f; }
.button-secondary { border-color: var(--line); background: rgba(12, 31, 50, 0.8); color: var(--text); }
.button-secondary:hover { border-color: var(--accent); color: var(--text); }
.hero-mark { justify-self: end; width: min(100%, 470px); }
.mark-frame { position: relative; isolation: isolate; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(145deg, rgba(17, 45, 72, 0.82), rgba(4, 12, 23, 0.7)); box-shadow: var(--shadow); overflow: hidden; }
.mark-frame::before, .mark-frame::after { content: ""; position: absolute; z-index: -1; border: 1px solid rgba(99, 204, 255, 0.2); transform: rotate(45deg); }
.mark-frame::before { width: 62%; height: 62%; }
.mark-frame::after { width: 82%; height: 82%; }
.mark-frame img { width: 86%; filter: saturate(0.92) contrast(1.04); }
.evidence-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 12px; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; background: var(--line); }
.evidence-strip span { padding: 9px 5px; background: var(--surface); color: var(--muted-strong); font-size: 0.69rem; font-weight: 800; letter-spacing: 0.08em; text-align: center; }

.signal-bar { border-bottom: 1px solid var(--line-soft); background: #071321; }
.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.signal-grid p { margin: 0; padding: 24px clamp(15px, 3vw, 34px); border-right: 1px solid var(--line-soft); }
.signal-grid p:first-child { padding-left: 0; }
.signal-grid p:last-child { border-right: 0; padding-right: 0; }
.signal-grid strong, .signal-grid span { display: block; }
.signal-grid strong { margin-bottom: 4px; color: var(--text); font-size: 0.9rem; }
.signal-grid span { color: var(--muted); font-size: 0.82rem; line-height: 1.45; }

.section { padding-block: clamp(76px, 9vw, 124px); border-bottom: 1px solid var(--line-soft); }
.section-muted { background: #081422; }
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading.compact { margin-bottom: 0; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.06rem; }
.card-grid { display: grid; gap: 16px; }
.audit-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.audit-card { min-width: 0; min-height: 230px; padding: 24px; border: 1px solid var(--line-soft); border-radius: var(--radius); background: linear-gradient(155deg, rgba(15, 36, 58, 0.95), rgba(7, 19, 33, 0.94)); }
.audit-card:hover { border-color: rgba(85, 201, 255, 0.5); }
.card-index { display: inline-block; margin-bottom: 38px; color: var(--accent); font-size: 0.72rem; font-weight: 850; letter-spacing: 0.12em; }
.audit-card p { margin: 0; color: var(--muted); font-size: 0.93rem; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 46px 0 0; padding: 0; list-style: none; }
.process-grid li { display: grid; grid-template-columns: auto 1fr; gap: 16px; padding-top: 20px; border-top: 1px solid var(--line); }
.process-grid li > span { color: var(--accent); font-size: 0.72rem; font-weight: 850; }
.process-grid p { margin: 0; color: var(--muted); font-size: 0.93rem; }

.offer-panel { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr); gap: 54px; padding: clamp(28px, 5vw, 58px); border: 1px solid rgba(85, 201, 255, 0.42); border-radius: 24px; background: linear-gradient(130deg, rgba(12, 39, 65, 0.98), rgba(5, 16, 29, 0.98)); box-shadow: var(--shadow); }
.offer-lead { font-size: 1.18rem; color: var(--text); }
.offer-panel p:not(.eyebrow) { max-width: 760px; }
.honesty-note { color: var(--accent-strong); font-weight: 760; }
.offer-action { align-self: center; padding: 24px; border-left: 1px solid var(--line); }
.offer-action p { margin-top: 0; color: var(--muted); }

.split-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(42px, 8vw, 110px); align-items: start; }
.prose-block { color: var(--muted-strong); font-size: 1.14rem; }
.prose-block p:first-child { margin-top: 0; }
.deliverable-list, .security-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.deliverable-list li, .security-list li { position: relative; padding: 15px 16px 15px 42px; border: 1px solid var(--line-soft); border-radius: 10px; background: var(--surface); color: var(--muted-strong); }
.deliverable-list li::before, .security-list li::before { content: "✓"; position: absolute; left: 16px; color: var(--accent); font-weight: 900; }

.no-sell-section { background: var(--bg-deep); }
.no-sell-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 0.75fr); gap: 54px; padding: clamp(28px, 5vw, 58px); border: 1px solid var(--danger-line); border-radius: 24px; background: linear-gradient(130deg, var(--danger-soft), #09101c); }
.boundary-statement { max-width: 660px; color: var(--muted-strong); font-size: 1.15rem; }
.no-sell-panel ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; align-content: center; }
.no-sell-panel li { padding: 10px 14px; border-left: 3px solid #d688ab; background: rgba(255, 255, 255, 0.03); color: #f2dce7; }

.contact-section { background: radial-gradient(circle at 80% 50%, rgba(85, 201, 255, 0.09), transparent 30%), var(--surface); }
.contact-panel { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.contact-panel h2 { margin-bottom: 10px; }
.contact-panel p { margin: 0 0 4px; color: var(--muted); }
.email-link { font-size: 1.05rem; font-weight: 760; }

.site-footer { padding-block: 30px; background: var(--bg-deep); }
.footer-layout { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; color: var(--muted); font-size: 0.86rem; }
.footer-layout p { margin: 0; }
.footer-layout nav { display: flex; gap: 18px; }
.footer-layout nav a, .footer-layout > a { color: var(--muted-strong); }
.privacy-note { text-align: right; }

.legal-main { min-height: calc(100vh - 155px); padding-block: 76px; background: radial-gradient(circle at 70% 20%, rgba(85, 201, 255, 0.08), transparent 28%), var(--bg); }
.legal-card { max-width: 780px; padding: clamp(28px, 5vw, 56px); border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); }
.legal-card h1, .error-card h1 { font-size: clamp(2.5rem, 7vw, 4.2rem); letter-spacing: -0.05em; }
.legal-card p { color: var(--muted-strong); }
.legal-card .button { margin-top: 16px; }
.error-page { background: radial-gradient(circle at 50% 35%, rgba(68, 178, 255, 0.12), transparent 28%), var(--bg-deep); }
.error-main { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.error-card { max-width: 560px; padding: clamp(30px, 7vw, 64px); border: 1px solid var(--line); border-radius: 24px; background: rgba(8, 22, 38, 0.93); box-shadow: var(--shadow); text-align: center; }
.error-card img { margin: 0 auto 20px; }
.error-card p:not(.eyebrow) { color: var(--muted); }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr 330px; gap: 30px; min-height: 640px; }
  .audit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 30px), var(--max)); }
  .nav-shell { min-height: 68px; flex-wrap: wrap; gap: 0; padding-block: 8px; }
  .brand img { width: 44px; height: 44px; }
  .nav-toggle { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; font-size: 0.9rem; font-weight: 760; }
  .nav-toggle-icon, .nav-toggle-icon::before, .nav-toggle-icon::after { display: block; width: 18px; height: 2px; background: currentColor; transition: transform 150ms ease; }
  .nav-toggle-icon { position: relative; }
  .nav-toggle-icon::before, .nav-toggle-icon::after { content: ""; position: absolute; left: 0; }
  .nav-toggle-icon::before { top: -6px; }
  .nav-toggle-icon::after { top: 6px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon::before { top: 0; transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon::after { top: 0; transform: rotate(-45deg); }
  .site-nav:not(.simple-nav) { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 0; padding-block: 8px 5px; }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav:not(.simple-nav) a { min-height: 44px; display: flex; align-items: center; border-top: 1px solid var(--line-soft); }
  .simple-nav { gap: 16px; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; min-height: 0; padding-block: 66px; }
  .hero-copy { max-width: 670px; }
  h1 { font-size: clamp(3.8rem, 20vw, 6rem); }
  .hero-mark { justify-self: center; width: min(76vw, 360px); }
  .signal-grid { grid-template-columns: 1fr; padding-block: 8px; }
  .signal-grid p, .signal-grid p:first-child, .signal-grid p:last-child { padding: 14px 0; border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .signal-grid p:last-child { border-bottom: 0; }
  .offer-panel, .split-layout, .no-sell-panel { grid-template-columns: 1fr; }
  .offer-action { padding: 22px 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .contact-panel { align-items: flex-start; flex-direction: column; }
  .footer-layout { grid-template-columns: 1fr; gap: 12px; text-align: left; }
  .privacy-note { text-align: left; }
}

@media (max-width: 500px) {
  body { font-size: 15px; }
  .hero-actions, .hero-actions .button, .offer-action .button, .contact-panel .button { width: 100%; }
  .audit-grid, .process-grid, .deliverable-list, .security-list { grid-template-columns: 1fr; }
  .audit-card { min-height: 205px; }
  .card-index { margin-bottom: 26px; }
  .offer-panel, .no-sell-panel { padding: 24px 20px; }
  .simple-nav a:first-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}
