:root {
  --bg: #020817;
  --bg-soft: #071326;
  --card: rgba(12, 27, 53, 0.78);
  --card-strong: rgba(14, 38, 76, 0.95);
  --text: #f8fbff;
  --muted: #a9b8d3;
  --line: rgba(115, 199, 255, 0.18);
  --cyan: #39d9ff;
  --blue: #3478ff;
  --purple: #7c4dff;
  --green: #38f7b4;
  --warning: #ff6584;
  --shadow: 0 24px 80px rgba(0, 119, 255, 0.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(52, 120, 255, 0.25), transparent 32rem),
    radial-gradient(circle at 80% 20%, rgba(57, 217, 255, 0.18), transparent 30rem),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 96px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(2, 8, 23, 0.76);
  border-bottom: 1px solid var(--line);
}

.nav { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: -0.02em; }
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 30px rgba(57, 217, 255, 0.45);
  color: #001426;
}
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-weight: 700; font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.nav-cta { color: var(--text) !important; padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; background: rgba(57,217,255,0.1); }
.menu-toggle { display: none; background: none; color: white; border: 0; font-size: 26px; }

.hero { padding: 110px 0 90px; position: relative; overflow: hidden; }
.hero-grid, .two-col, .demo-grid, .contact-grid, .strip-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 58px; align-items: center; }
.eyebrow { color: var(--cyan); font-weight: 900; text-transform: uppercase; letter-spacing: .16em; font-size: 12px; }
h1, h2, h3 { line-height: 1.05; letter-spacing: -0.05em; margin: 0; }
h1 { font-size: clamp(44px, 7vw, 82px); margin-top: 16px; }
h2 { font-size: clamp(34px, 4.5vw, 56px); margin-top: 12px; }
h3 { font-size: 24px; }
.hero-subtitle, .large-text, .section-heading p, .problem-strip p { color: var(--muted); font-size: 19px; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 22px; border-radius: 999px; font-weight: 900; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg, var(--cyan), var(--blue)); color: #001426; box-shadow: 0 15px 45px rgba(57,217,255,.28); }
.btn-secondary { border-color: var(--line); color: var(--text); background: rgba(255,255,255,0.04); }
.trust-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; color: var(--muted); font-size: 13px; }
.trust-row span { padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.03); }

.hero-visual { position: relative; height: 520px; border-radius: 34px; background: linear-gradient(145deg, rgba(16, 45, 90, 0.8), rgba(2, 8, 23, .9)); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.hero-visual::before { content:""; position:absolute; inset: 16%; border: 1px solid rgba(57,217,255,.22); border-radius: 50%; }
.orb-main { position:absolute; left:50%; top:50%; transform: translate(-50%,-50%); width: 130px; height:130px; border-radius:50%; display:grid; place-items:center; font-size:38px; font-weight: 900; background: radial-gradient(circle, var(--cyan), var(--blue)); color:#001426; box-shadow: 0 0 90px rgba(57,217,255,.6); }
.pulse-ring { position:absolute; left:50%; top:50%; transform: translate(-50%,-50%); width:250px; height:250px; border-radius:50%; border:1px solid rgba(57,217,255,.35); animation:pulse 2.8s infinite; }
.node { position:absolute; padding: 12px 16px; border-radius: 18px; background: rgba(4, 17, 37, .9); border:1px solid var(--line); color: var(--text); font-weight:800; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.node-1 { left: 40px; top: 72px; }
.node-2 { right: 50px; top: 88px; }
.node-3 { left: 52px; bottom: 86px; }
.node-4 { right: 34px; bottom: 98px; }
.node-5 { left: 50%; top: 30px; transform: translateX(-50%); }
.node-6 { left: 50%; bottom: 34px; transform: translateX(-50%); }
@keyframes pulse { 0%{opacity:.4; transform:translate(-50%,-50%) scale(.8)} 70%{opacity:.05; transform:translate(-50%,-50%) scale(1.35)} 100%{opacity:0} }

.problem-strip { padding: 58px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.03); }
.problem-strip h2 { font-size: clamp(26px,3vw,38px); }
.section-heading { max-width: 760px; margin-bottom: 44px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card, .glass-panel, .price-card, .demo-card, .contact-form, .mock-chat { background: var(--card); border: 1px solid var(--line); border-radius: 28px; padding: 28px; box-shadow: 0 18px 60px rgba(0,0,0,.18); }
.product-card { min-height: 285px; transition: transform .2s, border-color .2s; }
.product-card:hover { transform: translateY(-6px); border-color: rgba(57,217,255,.45); }
.featured-card { background: linear-gradient(145deg, rgba(28, 88, 170,.8), rgba(12,27,53,.8)); }
.card-icon { font-size: 34px; margin-bottom: 16px; }
.product-label { color: var(--cyan); font-weight: 800; margin: 8px 0; }
.product-card p:not(.product-label) { color: var(--muted); }
.text-link { color: var(--cyan); font-weight: 900; }
.badge { display: inline-flex; padding: 8px 12px; border-radius: 999px; color: var(--cyan); background: rgba(57,217,255,.1); font-weight: 900; font-size: 13px; }

.dark-panel-section { background: linear-gradient(180deg, rgba(7,19,38,.3), rgba(7,19,38,.8)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.mock-chat { max-width: 440px; margin-left: auto; }
.chat-header { display:flex; align-items:center; gap:10px; font-weight: 900; margin-bottom: 20px; }
.chat-header span { width: 12px; height: 12px; border-radius: 50%; background: var(--green); box-shadow: 0 0 18px var(--green); }
.chat-bubble { padding: 12px 14px; margin: 12px 0; max-width: 82%; border-radius: 18px; }
.chat-bubble.bot { background: rgba(57,217,255,.12); color: #dff8ff; }
.chat-bubble.user { background: rgba(52,120,255,.24); margin-left: auto; }
.chat-result { margin-top: 18px; color: var(--green); font-weight: 900; }
.challenge-solution, .benefits-grid, .pricing-grid { display:grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.challenge-solution { grid-template-columns: .85fr 1.15fr; }
.glow-panel { box-shadow: 0 0 80px rgba(57,217,255,.12); }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; display:grid; gap: 12px; color: var(--muted); }
.check-list li::before { content: "✓"; color: var(--green); margin-right: 10px; font-weight: 900; }
.warning-list li::before { content:"!"; color: var(--warning); }
.mini-columns { display:grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 24px; }
.mini-columns p { color: var(--muted); }

.timeline { display:grid; grid-template-columns: repeat(7,1fr); gap: 12px; }
.timeline div { position:relative; min-height: 120px; display:flex; align-items:center; justify-content:center; text-align:center; padding: 16px; border-radius: 22px; background: rgba(255,255,255,.04); border:1px solid var(--line); font-weight: 800; }
.timeline div:not(:last-child)::after { content:"→"; position:absolute; right:-13px; color: var(--cyan); z-index:3; }
.pricing-grid { grid-template-columns: repeat(3,1fr); align-items: stretch; }
.price-card { position:relative; display:flex; flex-direction:column; }
.price-card.popular { border-color: rgba(57,217,255,.55); transform: translateY(-14px); background: linear-gradient(145deg, rgba(20,67,132,.88), rgba(12,27,53,.88)); }
.popular-label { position:absolute; right: 20px; top: 20px; color: #001426; background: var(--cyan); border-radius:999px; padding:6px 10px; font-size:12px; font-weight:900; }
.price { font-size: 44px; font-weight: 900; margin: 22px 0; }
.price span { font-size: 15px; color: var(--muted); }
.price-card ul { color: var(--muted); padding-left: 20px; flex:1; }
.setup-offer { margin-top: 28px; padding: 22px; border-radius: 24px; border: 1px solid var(--line); background: rgba(57,217,255,.08); text-align:center; }
.setup-offer span { color: var(--cyan); font-weight: 900; }
.demo-card { text-align:center; }
.qr-placeholder { width: 180px; height: 180px; margin: 0 auto 20px; display:grid; place-items:center; border-radius: 26px; background: repeating-linear-gradient(45deg, rgba(57,217,255,.2), rgba(57,217,255,.2) 10px, rgba(255,255,255,.04) 10px, rgba(255,255,255,.04) 20px); border:1px solid var(--line); font-size: 38px; font-weight: 900; }
.before-after { display:flex; justify-content:center; gap: 12px; flex-wrap:wrap; color: var(--cyan); font-weight: 900; margin-top: 20px; }
.roadmap-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.roadmap-grid div { padding: 18px; border-radius: 18px; background: rgba(255,255,255,.04); border: 1px solid var(--line); font-weight: 900; }
.contact-form { display:grid; gap: 14px; }
.contact-form label { color: var(--muted); font-weight: 800; }
input, select, textarea { width: 100%; margin-top: 6px; border: 1px solid var(--line); border-radius: 14px; padding: 13px 14px; background: rgba(2,8,23,.78); color: var(--text); font: inherit; }
textarea { min-height: 120px; resize: vertical; }
.form-note { color: var(--muted); font-size: 13px; margin: 0; }
.contact-details { color: var(--muted); margin-top: 28px; }
.footer { padding: 48px 0 26px; border-top: 1px solid var(--line); background: rgba(2,8,23,.9); }
.footer-grid { display:flex; align-items:flex-start; justify-content:space-between; gap: 30px; }
.footer p, .copyright { color: var(--muted); }
.footer-links { display:flex; gap: 18px; flex-wrap:wrap; color: var(--muted); font-weight: 800; }
.copyright { margin-top: 30px; font-size: 14px; }

@media (max-width: 920px) {
  .menu-toggle { display:block; }
  .nav-links { display:none; position:absolute; top:76px; left:0; right:0; padding:20px; background: rgba(2,8,23,.96); flex-direction:column; border-bottom:1px solid var(--line); }
  .nav-links.open { display:flex; }
  .hero-grid, .two-col, .demo-grid, .contact-grid, .strip-grid, .challenge-solution, .benefits-grid { grid-template-columns:1fr; }
  .product-grid, .pricing-grid, .roadmap-grid { grid-template-columns:1fr; }
  .mini-columns { grid-template-columns:1fr; }
  .timeline { grid-template-columns:1fr; }
  .timeline div:not(:last-child)::after { content:"↓"; right:50%; bottom:-18px; top:auto; }
  .hero-visual { height: 430px; }
  .mock-chat { margin-left:0; }
  .price-card.popular { transform:none; }
  .footer-grid { flex-direction:column; }
}

@media (max-width: 520px) {
  .section { padding: 68px 0; }
  .hero { padding-top: 74px; }
  .node { font-size: 12px; padding: 9px 11px; }
  .orb-main { width: 100px; height: 100px; }
}


.product-actions { display:flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; align-items:center; }
.nav-links a.active { color: var(--text); }
.overview-panel { display:grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 30px; }
.overview-metric { padding: 22px; border-radius: 22px; border: 1px solid var(--line); background: rgba(255,255,255,.04); }
.overview-metric strong { display:block; font-size: 24px; color: var(--cyan); }
.product-hero-card { background: linear-gradient(145deg, rgba(20,67,132,.88), rgba(12,27,53,.88)); border: 1px solid rgba(57,217,255,.35); border-radius: 30px; padding: 28px; box-shadow: var(--shadow); }
.simple-card-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.simple-card { padding: 22px; border-radius: 22px; background: rgba(255,255,255,.04); border: 1px solid var(--line); }
.simple-card p { color: var(--muted); }
@media (max-width: 920px) { .overview-panel, .simple-card-grid { grid-template-columns:1fr; } }