.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 56px; align-items: center; padding-top: 72px; }
.hero-copy { display: grid; gap: 22px; align-content: center; }
.hero .h1 { font-size: clamp(34px, 4.4vw, 58px); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-cta svg { width: 18px; height: 18px; transition: transform 0.3s var(--ease); }
.hero-cta .btn:hover svg { transform: translateX(4px); }
.proof { display: inline-flex; align-items: center; gap: 12px; width: fit-content; max-width: 100%; padding: 10px 16px 10px 12px; border-radius: 14px; border: 1px solid var(--line-2); background: rgba(12, 14, 23, 0.7); font-size: 13px; color: var(--fg-2); transition: border-color 0.3s, transform 0.3s var(--ease); }
.proof:hover { border-color: rgba(62, 230, 255, 0.5); transform: translateY(-2px); }
.proof b { color: var(--fg); font-weight: 600; }
.proof-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 0 rgba(52, 224, 161, 0.6); animation: ping 2s infinite; flex: none; }
.proof-dot.warn { background: var(--warn); animation: none; }
@keyframes ping { 70% { box-shadow: 0 0 0 9px rgba(52, 224, 161, 0); } 100% { box-shadow: 0 0 0 0 rgba(52, 224, 161, 0); } }

.hero-visual { position: relative; border-radius: 28px; border: 1px solid var(--line); overflow: hidden; background: radial-gradient(500px 280px at 60% 50%, rgba(139, 92, 255, 0.16), transparent 70%), var(--ink-2); box-shadow: 0 40px 100px -40px rgba(62, 230, 255, 0.35); }
#slitCanvas { display: block; width: 100%; aspect-ratio: 1.12; max-width: 100%; }
.hv-labels { position: absolute; left: 0; right: 0; bottom: 14px; display: flex; justify-content: space-between; padding-inline: 5% 4%; font: 500 11px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); pointer-events: none; }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 64px; padding-inline: 0; width: min(1172px, calc(100% - 48px)); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--line); }
.stat { background: var(--surface); padding: 20px 22px; display: grid; gap: 4px; transition: background 0.3s; }
.stat:hover { background: var(--surface-2); }
.stat span { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.stat b { font: 500 28px var(--brand); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: s; }
.step { padding: 24px; display: grid; gap: 10px; align-content: start; }
.step-n { font: 500 13px var(--mono); color: var(--cyan); letter-spacing: 0.1em; }
.step p { margin: 0; color: var(--fg-2); font-size: 14px; }
.pillars { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin-top: 28px; border-top: 1px solid var(--line); }
.pillar { display: flex; gap: 16px; padding: 24px 8px 24px 0; border-bottom: 1px solid var(--line); }
.pillar:nth-child(odd) { padding-right: 32px; }
.pi { width: 42px; height: 42px; flex: none; border-radius: 12px; display: grid; place-items: center; font-size: 20px; color: var(--cyan); background: rgba(62, 230, 255, 0.08); border: 1px solid rgba(62, 230, 255, 0.22); transition: transform 0.4s var(--ease), background 0.3s; }
.pillar:hover .pi { transform: rotate(-8deg) scale(1.08); background: rgba(62, 230, 255, 0.14); }
.pillar p { margin: 6px 0 0; color: var(--fg-2); font-size: 14px; }

.quantum-band { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 32px; padding: 40px; overflow: hidden; background: radial-gradient(600px 300px at 100% 0%, rgba(139, 92, 255, 0.18), transparent 70%), radial-gradient(500px 260px at 0% 100%, rgba(62, 230, 255, 0.08), transparent 70%), var(--surface); }
.qb-copy { display: grid; gap: 14px; align-content: start; }
.qb-copy p { margin: 0; color: var(--fg-2); }
.qb-copy .btn { justify-self: start; margin-top: 6px; }
.qb-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-content: center; }
.qb-facts div { border: 1px solid var(--line-2); border-radius: 16px; padding: 18px; background: rgba(6, 7, 12, 0.5); display: grid; gap: 4px; transition: border-color 0.3s, transform 0.35s var(--ease); }
.qb-facts div:hover { border-color: rgba(62, 230, 255, 0.45); transform: translateY(-3px); }
.qb-facts b { font: 500 22px var(--brand); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.qb-facts span { font-size: 13px; color: var(--fg-2); }

.faq { display: grid; gap: 10px; max-width: 860px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); padding: 0 20px; transition: border-color 0.3s, background 0.3s; }
.faq details:hover { border-color: var(--line-2); }
.faq details[open] { background: var(--surface-2); border-color: var(--line-2); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 400 22px var(--ui); color: var(--muted); transition: transform 0.3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--cyan); }
.faq p { margin: 0 0 18px; color: var(--fg-2); max-width: 72ch; }

@media (max-width: 1000px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 40px; padding-top: 48px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quantum-band { grid-template-columns: minmax(0, 1fr); padding: 28px; }
}
@media (max-width: 640px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 44px; width: calc(100% - 32px); }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .pillars { grid-template-columns: minmax(0, 1fr); }
  .pillar:nth-child(odd) { padding-right: 0; }
  .stat b { font-size: 22px; }
  .quantum-band { padding: 22px; }
  .qb-facts { grid-template-columns: minmax(0, 1fr); }
}