:root{
  --bg: #0b0d12;
  --bg-alt: #0f1220;
  --text: #eef1f7;
  --muted: #a7b0c0;
  --brand: #7c5cff;
  --brand-2: #1ea7ff;
  --ok: #35d399;
  --warn: #ffb020;
  --danger: #ff5d7a;
  --card: #101426;
  --border: #1b2240;
  --pill: #141b33;
  --shadow: 0 10px 30px rgba(0,0,0,.35), 0 2px 8px rgba(0,0,0,.2);
}

*{ box-sizing: border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, rgba(124,92,255,.25), transparent 60%),
              radial-gradient(900px 700px at 110% 10%, rgba(30,167,255,.18), transparent 60%),
              var(--bg);
  line-height: 1.6;
}

.container{
  width:min(1100px, 92vw);
  margin-inline:auto;
}

.section{ padding: 72px 0; }
.section.alt{ background: linear-gradient(180deg, transparent, rgba(255,255,255,.02)); }
.section-head{ text-align:center; margin-bottom: 36px; }
.section-head h2{ font-family:"Plus Jakarta Sans", Inter, sans-serif; font-size:clamp(1.6rem, 1.2rem + 1vw, 2rem); margin:0 0 8px; }
.section-head p{ color: var(--muted); margin:0; }

/* Header */
.site-header{
  position: sticky; top:0; backdrop-filter: blur(8px);
  background: color-mix(in oklab, var(--bg), rgba(255,255,255,.05) 4%);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding: 14px 0; }
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--text); }
.brand-logo{ width:28px; height:28px; }
.brand-name{ font-weight:700; letter-spacing:.3px; }

.news-ribbon{
  font-size:.9rem; text-align:center; padding: 8px 0; color: #dfe6ff;
  background: linear-gradient(90deg, rgba(124,92,255,.15), rgba(30,167,255,.15));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.news-ribbon span{
  background: var(--pill);
  border:1px solid var(--border);
  padding:2px 8px; border-radius: 999px; margin-right: 8px;
}

/* Nav */
.nav-list{ display:flex; gap: 18px; align-items:center; list-style:none; margin:0; padding:0; }
.nav a{ color:var(--text); text-decoration:none; opacity:.9; }
.nav a:hover{ opacity:1; }
.nav-toggle{ display:none; background:none; border:1px solid var(--border); padding:6px 10px; border-radius:8px; color:var(--text); }

/* Buttons */
.btn{
  display:inline-flex; gap:10px; align-items:center; justify-content:center;
  padding: 12px 18px; border-radius: 14px;
  border:1px solid transparent; text-decoration:none; color: var(--text);
  box-shadow: var(--shadow); transition: transform .08s ease, background .2s ease;
  font-weight:600;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }
.btn-primary{
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border: none;
}
.btn-outline{
  background: transparent; border:1px solid var(--border);
}
.btn-ghost{
  background: rgba(255,255,255,.06); border:1px solid var(--border);
}
.btn-small{ padding:8px 12px; border-radius:10px; box-shadow:none; }

/* Hero */
.hero{ padding: 56px 0 32px; }
.hero-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items:center; }
.hero h1{ font-family:"Plus Jakarta Sans", Inter, sans-serif; font-size: clamp(2rem, 1.2rem + 2vw, 3rem); line-height:1.1; margin: 4px 0 12px; }
.accent{ color: var(--brand-2); }
.lead{ color: var(--muted); font-size: 1.05rem; }
.hero-ctas{ display:flex; gap: 12px; margin: 18px 0 8px; }
.hero-bullets{ margin: 16px 0 0; padding-left: 18px; color: #c8d2f9; }
.hero-bullets li{ margin: 6px 0; }

.hero-card .card{ background: linear-gradient(180deg, var(--card), rgba(16,20,38,.7)); border:1px solid var(--border); border-radius: 18px; overflow:hidden; }
.card-head{ padding: 14px 16px; border-bottom:1px solid var(--border); }
.card-body{ padding: 16px; }
.card-foot{ padding: 12px 16px; border-top:1px solid var(--border); }
.card .split{ display:grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.card h3, .card h4{ margin:0 0 10px; }
.checklist{ margin: 0; padding-left: 18px; }
.checklist.plus li::marker{ content: "✔ "; color: var(--ok); }
.checklist.minus li::marker{ content: "— "; color: var(--danger); }
.micro{ color: var(--muted); font-size: .85rem; }

/* Features */
.grid{ display:grid; gap: 18px; }
.features-grid{ grid-template-columns: repeat(4, 1fr); }
.feature{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.00));
  border:1px solid var(--border); border-radius: 16px; padding: 18px;
}
.feature .icon{ font-size: 1.4rem; margin-bottom: 6px; }

/* Use cases */
.cards-grid{ grid-template-columns: repeat(3, 1fr); }
.usecase .badge{
  display:inline-block; margin-top: 10px;
  background: var(--pill); border:1px solid var(--border);
  padding: 4px 10px; border-radius: 999px; color:#c7d3ff; font-size: .85rem;
}
.dotlist{ margin: 8px 0 0; padding-left: 18px; }
.dotlist li::marker{ content:"• "; color:#8fb7ff; }

/* Calculator */
.calc-wrap{ border:1px solid var(--border); border-radius: 18px; background: linear-gradient(180deg, var(--card), rgba(16,20,38,.7)); padding: 16px; }
.calc-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 10px;
}
.calc-grid label{ display:flex; flex-direction:column; gap:8px; }
.calc-grid span{ color: var(--muted); font-size:.95rem; }
input[type="number"], input[type="range"]{
  width:100%; padding: 12px 12px; border-radius: 12px; border:1px solid var(--border);
  background: #0e1430; color: var(--text);
}
output{ display:block; text-align:right; color:#cfe3ff; font-weight:600; }

.results{ display:grid; grid-template-columns: repeat(4, 1fr); gap:12px; padding: 6px 0; }
.result{ background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)); border:1px solid var(--border); border-radius: 14px; padding: 14px; }
.result-label{ color: var(--muted); font-size:.9rem; }
.result-value{ font-weight:800; font-size: clamp(1.1rem, 1rem + .8vw, 1.6rem); }

/* Proof */
.proof-grid{ grid-template-columns: 2fr 2fr 2fr; }
.quote blockquote{ margin:0; font-size:1.05rem; }
.integrations .logo-row{ display:flex; flex-wrap:wrap; gap:8px; margin: 8px 0; }
.pill{ background: var(--pill); border:1px solid var(--border); padding: 6px 10px; border-radius: 999px; }

/* FAQ */
.faq details{ border:1px solid var(--border); border-radius: 14px; padding: 10px 12px; margin: 8px 0; background: #0e1430; }
.faq summary{ cursor:pointer; font-weight:600; }
.faq summary::marker{ color: var(--brand-2); }
.faq p{ margin: 10px 0 0; color: #d7def3; }

/* CTA */
.cta{ background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(30,167,255,.18)); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.cta-inner{ display:flex; align-items:center; justify-content:space-between; gap: 16px; }
.cta-actions{ display:flex; gap: 10px; }

.ethics{ text-align:center; margin: 10px auto 0; }

/* Footer */
.site-footer{ padding: 28px 0; border-top:1px solid var(--border); background: #0d1124; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; align-items:start; gap: 18px; }
.foot-nav, .foot-legal{ display:flex; flex-direction:column; gap: 8px; }
.foot-nav a, .foot-legal a{ color: var(--muted); text-decoration:none; }
.foot-nav a:hover, .foot-legal a:hover{ color: var(--text); }

/* Back to top */
.to-top{
  position: fixed; right: 18px; bottom: 18px;
  background: var(--pill); color: var(--text); border:1px solid var(--border);
  border-radius: 12px; padding: 10px 12px; cursor: pointer; display:none; box-shadow: var(--shadow);
}

/* Responsive */
@media (max-width: 980px){
  .features-grid{ grid-template-columns: repeat(2, 1fr); }
  .cards-grid{ grid-template-columns: repeat(2, 1fr); }
  .calc-grid{ grid-template-columns: repeat(2, 1fr); }
  .results{ grid-template-columns: repeat(2, 1fr); }
  .hero-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 700px){
  .nav-toggle{ display:block; }
  .nav-list{ display:none; position:absolute; right: 4vw; top: 68px; background:#0d132b; border:1px solid var(--border); border-radius: 12px; padding: 12px; box-shadow: var(--shadow); }
  .nav-list.show{ display:flex; flex-direction:column; align-items:stretch; gap:6px; }
  .cards-grid{ grid-template-columns: 1fr; }
  .features-grid{ grid-template-columns: 1fr; }
  .proof-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .cta-inner{ flex-direction:column; align-items:flex-start; }
}