:root {
  --bg: #070a12;
  --bg2: #0b1120;
  --card: rgba(15, 23, 42, 0.74);
  --card2: rgba(255, 255, 255, 0.06);
  --border: rgba(148, 163, 184, 0.22);
  --text: #f8fafc;
  --muted: #a3afc2;
  --muted2: #7f8da4;
  --primary: #2563eb;
  --primary2: #60a5fa;
  --green: #10b981;
  --green2: #ecfdf5;
  --greenText: #065f46;
  --shadow: 0 24px 100px rgba(0,0,0,.34);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 13px;
  font-synthesis-weight: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% -10%, rgba(37, 99, 235, .35), transparent 32rem),
    radial-gradient(circle at 88% 5%, rgba(16, 185, 129, .20), transparent 28rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 52%, #090d18 100%);
  font: 16px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

a { color: inherit; text-decoration: none; }
a:hover { color: #bfdbfe; }

.container { width: min(1120px, calc(100vw - 40px)); margin: 0 auto; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(7, 10, 18, .72);
  border-bottom: 1px solid rgba(148, 163, 184, .12);
}
.nav-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 900;
  letter-spacing: -0.03em;
  font-size: 21px;
}
.logo {
  width: 38px; height: 38px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #2563eb, #10b981);
  box-shadow: 0 14px 30px rgba(37, 99, 235, .25);
  color: white;
  font-weight: 950;
}
.nav-links { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 14px; font-weight: 700; }
.nav-actions { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 11px 16px;
  border-radius: 14px;
  font-weight: 850;
  line-height: 1;
  transition: transform .08s ease, filter .16s ease, border-color .16s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.06); color: white; }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 16px 36px rgba(37,99,235,.26); }
.btn-secondary { background: rgba(148, 163, 184, .10); border-color: rgba(148, 163, 184, .18); color: #e2e8f0; }
.btn-light { background: white; color: #0f172a; }
.btn-light:hover { color: #0f172a; }

.hero { padding: 74px 0 54px; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 42px; align-items: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(96, 165, 250, .26);
  background: rgba(37,99,235,.12);
  color: #bfdbfe;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 850;
  margin-bottom: 18px;
}
h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 70px);
  line-height: .96;
  letter-spacing: -0.065em;
  max-width: 840px;
}
.gradient-text { background: linear-gradient(90deg, #bfdbfe, #ffffff, #a7f3d0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin: 22px 0 0; color: var(--muted); font-size: clamp(18px, 2.2vw, 21px); max-width: 670px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; color: var(--muted2); font-size: 14px; }
.trust-pill { display: inline-flex; gap: 7px; align-items: center; }
.check { width: 18px; height: 18px; border-radius: 999px; background: rgba(16,185,129,.16); color: #86efac; display: inline-grid; place-items: center; font-size: 12px; font-weight: 900; }

.product-card {
  position: relative;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  padding: 16px;
  overflow: hidden;
}
.product-card::before {
  content: ""; position: absolute; inset: -1px;
  background: radial-gradient(circle at 18% 15%, rgba(96,165,250,.22), transparent 22rem);
  pointer-events: none;
}
.browser-window { position: relative; border-radius: 22px; overflow: hidden; background: #111827; border: 1px solid rgba(255,255,255,.12); }
.browser-top { height: 44px; background: #1f2937; display: flex; align-items: center; gap: 8px; padding: 0 14px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #ef4444; }
.dot:nth-child(2) { background: #f59e0b; }
.dot:nth-child(3) { background: #22c55e; }
.demo-area { position: relative; min-height: 430px; padding: 26px; background: linear-gradient(135deg, #111827, #0f172a); }
.mock-page { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; opacity: .85; }
.mock-tile { min-height: 86px; border-radius: 16px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.08); }
.mock-tile.big { grid-column: span 2; min-height: 120px; display: grid; place-items: center; font-size: 46px; font-weight: 900; color: #e5e7eb; }
.answer-panel {
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: min(390px, calc(100% - 48px));
  border-radius: 20px;
  overflow: hidden;
  background: white;
  color: #0f172a;
  box-shadow: 0 30px 70px rgba(0,0,0,.34);
  border: 1px solid #e5e7eb;
}
.answer-top { height: 58px; background: #f8fafc; border-bottom: 1px solid #e5e7eb; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; font-weight: 850; }
.close-pill { padding: 8px 12px; border-radius: 12px; background: #e5e7eb; font-weight: 700; }
.answer-body { padding: 16px; }
.answer-highlight { border-radius: 14px; background: var(--green2); border: 1px solid #bbf7d0; padding: 12px; color: var(--greenText); }
.answer-highlight small { display: block; text-transform: uppercase; letter-spacing: .07em; font-weight: 900; color: #047857; margin-bottom: 6px; }
.answer-highlight strong { font-size: 18px; }
.steps { margin-top: 14px; color: #334155; font-size: 14px; }
.chat-box { margin-top: 14px; border-top: 1px solid #e5e7eb; padding-top: 12px; }
.chat-input { border: 1px solid #bfdbfe; border-radius: 12px; padding: 12px; color: #94a3b8; }

section { padding: 70px 0; }
.section-header { max-width: 740px; margin-bottom: 26px; }
.section-header.center { text-align: center; margin-left: auto; margin-right: auto; }
h2 { margin: 0; font-size: clamp(32px, 4vw, 48px); line-height: 1.05; letter-spacing: -0.05em; }
.section-copy { margin: 14px 0 0; color: var(--muted); font-size: 18px; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card, .pricing-card, .doc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 18px 60px rgba(0,0,0,.18);
}
.icon { width: 42px; height: 42px; border-radius: 14px; background: rgba(37,99,235,.16); color: #93c5fd; display: grid; place-items: center; font-size: 21px; margin-bottom: 18px; }
.feature-card h3, .pricing-card h3, .doc-card h3 { margin: 0 0 9px; font-size: 20px; letter-spacing: -0.02em; }
.feature-card p, .pricing-card p, .doc-card p { margin: 0; color: var(--muted); }

.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; }
.step { position: relative; padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: rgba(255,255,255,.045); }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 12px; background: #2563eb; color: white; font-weight: 900; margin-bottom: 20px; }
.step h3 { margin: 0 0 8px; }
.step p { margin: 0; color: var(--muted); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.pricing-card { display: flex; flex-direction: column; }
.pricing-card.popular { border-color: rgba(96,165,250,.55); background: linear-gradient(180deg, rgba(37,99,235,.18), rgba(15,23,42,.84)); position: relative; }
.badge { position: absolute; top: 18px; right: 18px; font-size: 12px; font-weight: 900; color: #bfdbfe; background: rgba(37,99,235,.20); border: 1px solid rgba(96,165,250,.30); padding: 5px 9px; border-radius: 999px; }
.price { margin: 18px 0 8px; font-size: 42px; font-weight: 950; letter-spacing: -0.05em; }
.price span { font-size: 15px; color: var(--muted); letter-spacing: 0; font-weight: 700; }
.pricing-list { margin: 18px 0 22px; padding: 0; list-style: none; display: grid; gap: 10px; color: #dbeafe; }
.pricing-list li { display: flex; gap: 9px; align-items: flex-start; }
.pricing-list li::before { content: "✓"; color: #86efac; font-weight: 900; }
.pricing-card .btn { margin-top: auto; width: 100%; }

.cta { padding: 80px 0; }
.cta-box { border-radius: 34px; padding: 42px; background: linear-gradient(135deg, rgba(37,99,235,.94), rgba(16,185,129,.78)); box-shadow: var(--shadow); }
.cta-box h2 { max-width: 720px; }
.cta-box p { color: rgba(255,255,255,.86); max-width: 670px; margin: 14px 0 0; font-size: 18px; }
.cta-box .hero-actions { margin-top: 24px; }

.footer { border-top: 1px solid rgba(148,163,184,.14); padding: 32px 0; color: var(--muted2); }
.footer-inner { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

.page { padding: 62px 0 80px; }
.page-card { max-width: 920px; background: rgba(255,255,255,.06); border: 1px solid var(--border); border-radius: 30px; padding: clamp(24px, 5vw, 46px); box-shadow: var(--shadow); }
.page-card h1 { font-size: clamp(34px, 5vw, 56px); margin-bottom: 12px; }
.page-card h2 { font-size: 26px; margin: 30px 0 8px; letter-spacing: -0.03em; }
.page-card p, .page-card li { color: #cbd5e1; }
.page-card ul { padding-left: 22px; }
.updated { color: var(--muted2); font-size: 14px; margin-bottom: 30px; }
.support-list { display: grid; gap: 14px; margin-top: 24px; }
.support-item { padding: 18px; border-radius: 18px; border: 1px solid var(--border); background: rgba(15,23,42,.66); }
.support-item h3 { margin: 0 0 6px; }
.support-item p { margin: 0; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-grid, .features-grid, .how-grid, .pricing-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 44px; }
  .demo-area { min-height: 390px; }
  .answer-panel { position: relative; right: auto; bottom: auto; width: 100%; margin-top: 18px; }
  .nav-inner { min-height: 66px; }
}

@media (max-width: 560px) {
  .container { width: min(100vw - 24px, 1120px); }
  .nav-actions .btn-secondary { display: none; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .cta-box { padding: 28px; }
}