:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-raised: #171717;
  --line: #252525;
  --text: #fafafa;
  --muted: #a1a1a1;
  --quiet: #717171;
  --accent: #00d4ff;
  --accent-soft: rgba(0, 212, 255, 0.1);
  --success: #70e1b2;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --container: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }

.site-nav {
  position: sticky;
  top: 14px;
  z-index: 50;
  width: min(920px, calc(100% - 28px));
  margin: 14px auto 0;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 16px;
  background: rgba(10,10,10,.84);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 60px rgba(0,0,0,.28);
}
.nav-inner { min-height: 64px; padding: 10px 14px 10px 20px; display: flex; align-items: center; gap: 22px; }
.brand { text-decoration: none; font-size: 17px; font-weight: 600; letter-spacing: -.02em; margin-right: auto; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-size: 14px; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--text); background: rgba(255,255,255,.05); }
.nav-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--accent);
  border-radius: 9px;
  padding: 11px 16px;
  background: var(--accent);
  color: #001217;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.nav-cta:hover, .button:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,212,255,.18); }
.button-secondary { color: var(--text); border-color: var(--line); background: transparent; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 138px 0 108px;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  top: -300px;
  right: -140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,.16), transparent 64%);
  filter: blur(10px);
  pointer-events: none;
}
.eyebrow { color: var(--accent); font: 500 12px/1.4 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 24px; }
h1 { max-width: 920px; font-size: clamp(2.7rem, 6.7vw, 5.4rem); line-height: 1.02; letter-spacing: -.055em; font-weight: 600; }
.hero-copy { max-width: 710px; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.28rem); margin-top: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 78px; border: 1px solid var(--line); background: var(--line); border-radius: 12px; overflow: hidden; }
.trust-item { background: rgba(10,10,10,.88); padding: 18px 20px; }
.trust-item strong { display: block; font-size: 15px; font-weight: 500; }
.trust-item span { color: var(--quiet); font-size: 13px; }

.section { padding: 100px 0; border-bottom: 1px solid var(--line); }
.section-soft { background: linear-gradient(180deg, rgba(255,255,255,.018), transparent); }
.section-head { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; margin-bottom: 52px; }
.kicker { color: var(--quiet); font: 500 12px/1.5 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
h2 { max-width: 770px; font-size: clamp(2rem, 4.3vw, 3.4rem); line-height: 1.08; letter-spacing: -.04em; font-weight: 600; }
.section-intro { max-width: 700px; margin-top: 18px; color: var(--muted); font-size: 18px; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 30px; background: var(--surface); }
.card:hover { background: var(--surface-raised); border-color: #303030; }
.card-number { color: var(--accent); font: 500 12px/1.4 var(--font-mono); margin-bottom: 34px; }
.card h3 { font-size: 20px; line-height: 1.25; margin-bottom: 12px; font-weight: 600; letter-spacing: -.02em; }
.card p { color: var(--muted); font-size: 15px; }
.card ul { list-style: none; margin-top: 18px; display: grid; gap: 9px; }
.card li { color: var(--muted); font-size: 14px; padding-left: 18px; position: relative; }
.card li::before { content: "↳"; position: absolute; left: 0; color: var(--accent); }

.outcomes { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: start; }
.outcomes-copy h2 { margin-bottom: 22px; }
.outcomes-copy p { color: var(--muted); font-size: 18px; max-width: 610px; }
.check-list { display: grid; gap: 12px; }
.check { padding: 18px 20px; border-left: 2px solid var(--accent); background: var(--accent-soft); color: #dff9ff; }

.steps { counter-reset: step; display: grid; gap: 0; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 86px 1fr 1.1fr; gap: 34px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.step::before { counter-increment: step; content: "0" counter(step); color: var(--accent); font-family: var(--font-mono); }
.step h3 { font-size: 19px; font-weight: 500; }
.step p { color: var(--muted); }

.proof { border: 1px solid #1e4a55; background: linear-gradient(135deg, rgba(0,212,255,.08), rgba(255,255,255,.02)); border-radius: 18px; padding: 44px; display: grid; grid-template-columns: 1fr .85fr; gap: 46px; align-items: center; }
.proof-tag { display: inline-block; color: var(--success); font: 500 12px/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 18px; }
.proof h2 { font-size: clamp(2rem, 4vw, 3rem); }
.proof p { color: var(--muted); margin-top: 18px; }
.proof-panel { border: 1px solid var(--line); background: rgba(0,0,0,.25); border-radius: 12px; padding: 24px; }
.proof-panel dl { display: grid; gap: 18px; }
.proof-panel div { display: flex; justify-content: space-between; gap: 18px; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.proof-panel div:last-child { border-bottom: 0; padding-bottom: 0; }
.proof-panel dt { color: var(--quiet); }
.proof-panel dd { text-align: right; }

.concept-note { padding: 14px 18px; border: 1px solid #3b3422; background: #17140b; border-radius: 10px; color: #c9bd91; font-size: 14px; margin-bottom: 24px; }
.faq { display: grid; gap: 12px; max-width: 850px; }
details { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); padding: 20px 22px; }
summary { cursor: pointer; font-weight: 500; list-style: none; padding-right: 28px; position: relative; }
summary::after { content: "+"; position: absolute; right: 0; color: var(--accent); }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); padding-top: 15px; max-width: 760px; }

.final-cta { text-align: center; padding: 110px 0; }
.final-cta h2 { margin: 0 auto; }
.final-cta p { max-width: 650px; margin: 22px auto 32px; color: var(--muted); font-size: 18px; }
.final-cta .hero-actions { justify-content: center; margin-top: 0; }

.site-footer { border-top: 1px solid var(--line); padding: 36px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; color: var(--quiet); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--text); }

@media (max-width: 860px) {
  .nav-links .nav-link { display: none; }
  .section-head, .outcomes, .proof { grid-template-columns: 1fr; gap: 26px; }
  .grid-three { grid-template-columns: 1fr 1fr; }
  .step { grid-template-columns: 54px 1fr; }
  .step p { grid-column: 2; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 32px, var(--container)); }
  .site-nav { top: 8px; margin-top: 8px; }
  .nav-inner { min-height: 58px; padding-left: 14px; }
  .nav-cta { padding: 9px 11px; font-size: 12px; }
  .hero { padding: 102px 0 76px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .trust-row, .grid, .grid-three { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 34px; }
  .card, .proof { padding: 24px; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}