body { background: radial-gradient(1100px 600px at 85% -5%, rgba(124,92,255,.2), transparent 60%), radial-gradient(900px 500px at -10% 30%, rgba(34,211,238,.09), transparent 60%), var(--bg); }
.j-nav { position: sticky; top: 0; z-index: 20; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px clamp(16px, 4vw, 48px); background: rgba(7,8,13,.72); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.j-nav .brand { font-family: var(--mono); font-weight: 600; }
.j-nav nav { position: static; transform: none; display: flex; gap: 4px; padding: 0; background: none; border: 0; backdrop-filter: none; align-items: center; }
.j-nav nav a:not(.btn) { padding: 8px 12px; color: var(--muted); font-size: 15px; border-radius: 9px; }
.j-nav nav a:not(.btn):hover { color: var(--text); }
.btn.sm { padding: 8px 14px; font-size: 14px; border-radius: 10px; }
main section { padding: 80px 24px; }
.hero2 { min-height: calc(100vh - 64px); display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-top: 48px; }
.hero2 h1 { font-size: clamp(38px, 6vw, 70px); line-height: 1.02; letter-spacing: -.045em; margin-bottom: 22px; }
.hero2 .lead { font-size: 19px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 14px; }
.fine { font-size: 13px; color: var(--muted); }
/* before/after visual */
.ba { position: relative; height: 420px; }
.sheet, .webapp { position: absolute; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 30px 80px -30px rgba(0,0,0,.8); }
.sheet { inset: 0 18% 22% 0; background: #f4f5f7; color: #222; font-family: Arial, sans-serif; font-size: 11px; transform: rotate(-3deg); }
.sheet .bar { background: #1d6f42; color: #fff; padding: 6px 10px; font-weight: 700; }
.sheet table { width: 100%; border-collapse: collapse; }
.sheet td { border: 1px solid #d0d4da; padding: 3px 6px; white-space: nowrap; }
.sheet tr:first-child td { background: #e8eaee; font-weight: 700; }
.sheet .err { background: #fde2e2; color: #b91c1c; }
.webapp { inset: 26% 0 0 22%; background: var(--bg2); padding: 14px; display: grid; gap: 10px; align-content: start; animation: rise2 1s .4s both cubic-bezier(.2,.8,.2,1); }
@keyframes rise2 { from { opacity: 0; transform: translateY(30px); } }
.webapp .k { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.webapp .k div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px; font-size: 10px; color: var(--muted); }
.webapp .k b { display: block; font-size: 16px; color: var(--text); }
.webapp .bars { display: flex; align-items: end; gap: 6px; height: 90px; padding: 8px; border: 1px solid var(--line); border-radius: 10px; }
.webapp .bars i { flex: 1; border-radius: 4px 4px 0 0; background: var(--grad); animation: grow 1.2s 1s both; transform-origin: bottom; }
@keyframes grow { from { transform: scaleY(0); } }
.webapp .live { font-family: var(--mono); font-size: 10px; color: var(--ok); }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.box { border: 1px solid var(--line); border-radius: 18px; background: var(--card); padding: 22px; }
.box b.t { display: block; font-size: 18px; margin-bottom: 8px; }
.box p, .box li { color: var(--muted); font-size: 15px; }
.box ul { padding-left: 18px; display: grid; gap: 6px; }
.case { border: 1px solid rgba(124,92,255,.35); background: rgba(124,92,255,.06); border-radius: 22px; padding: clamp(20px, 4vw, 40px); display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.case .nums { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.case .nums div { border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: rgba(7,8,13,.5); }
.case .nums b { display: block; font-size: 30px; letter-spacing: -.03em; }
.case .nums span { color: var(--muted); font-size: 13px; }
.steps4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.steps4 .box span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: var(--grad); font-weight: 700; margin-bottom: 12px; }
.pkg { display: grid; gap: 10px; align-content: start; position: relative; }
.pkg.hot { border-color: rgba(124,92,255,.6); background: rgba(124,92,255,.08); }
.pkg .amt { font-size: 30px; font-weight: 700; letter-spacing: -.03em; }
.pkg .amt small { font-size: 14px; color: var(--muted); font-weight: 400; }
.pkg .tagline { position: absolute; top: -11px; left: 20px; font-family: var(--mono); font-size: 11px; padding: 3px 10px; border-radius: 999px; background: var(--grad); color: #fff; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.f { display: grid; gap: 6px; }
.f span { font-size: 13px; color: var(--muted); }
.f input, .f textarea, .f select { width: 100%; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 11px; padding: 11px 12px; color: var(--text); font: inherit; font-size: 16px; outline: none; }
.f input:focus, .f textarea:focus, .f select:focus { border-color: var(--accent); }
.hp { position: absolute; left: -9999px; }
.ok-box { text-align: center; padding: 40px 20px; }
.toast2 { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; z-index: 60; padding: 12px 18px; border-radius: 12px; background: #1a1e2e; border: 1px solid var(--line); font-size: 14px; transition: .25s; pointer-events: none; max-width: calc(100% - 32px); }
.toast2.show { opacity: 1; transform: translate(-50%, 0); } .toast2.err { border-color: rgba(248,113,113,.5); color: #fca5a5; }
.j-foot { text-align: center; padding: 30px 16px; color: var(--muted); font-family: var(--mono); font-size: 12px; border-top: 1px solid var(--line); }
.j-foot a { color: var(--accent2); }
@media (max-width: 900px) {
  .hero2, .case, .g2 { grid-template-columns: 1fr; }
  .g3, .steps4 { grid-template-columns: 1fr; }
  .ba { height: 330px; }
  .form-grid { grid-template-columns: 1fr; }
  main section { padding: 56px 16px; }
  .j-nav nav a.hide-m { display: none; }
}
/* ROI calculator */
.roi { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: stretch; }
.roi .inputs, .roi .result { border: 1px solid var(--line); border-radius: 20px; padding: 24px; background: var(--card); }
.roi .inputs { display: grid; gap: 18px; }
.roi label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.roi label .row2 { display: flex; justify-content: space-between; }
.roi label output { font-family: var(--mono); color: var(--text); font-weight: 600; }
.roi input[type=range] { width: 100%; accent-color: #7c5cff; }
.roi .result { display: grid; gap: 14px; align-content: center; border-color: rgba(124,92,255,.5); background: rgba(124,92,255,.08); }
.roi .big { font-size: clamp(36px, 5vw, 54px); font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.roi .line { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 15px; }
.roi .line span:first-child { color: var(--muted); }
.roi .note { font-size: 12.5px; color: var(--muted); }
@media (max-width: 860px) { .roi { grid-template-columns: 1fr; } }