:root {
  --bg: #050814;
  --bg-2: #091324;
  --card: rgba(255, 255, 255, 0.07);
  --card-strong: rgba(255, 255, 255, 0.11);
  --text: #edf7ff;
  --muted: #a8b8c7;
  --primary: #08d9ff;
  --primary-2: #10f0b7;
  --line: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(8, 217, 255, 0.22), transparent 34rem),
    radial-gradient(circle at 80% 10%, rgba(16, 240, 183, 0.14), transparent 28rem),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 92px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 8, 20, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: -0.04em; font-size: 1.55rem; }
.brand img { width: 44px; height: 44px; border-radius: 999px; object-fit: cover; box-shadow: 0 0 24px rgba(8, 217, 255, 0.3); }
.brand span span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-weight: 700; }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: transparent; border: 0; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--text); margin: 6px 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 999px; padding: 14px 20px; font-weight: 900; cursor: pointer; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #02111d; box-shadow: 0 16px 44px rgba(8, 217, 255, 0.22); }
.btn-secondary { border-color: var(--line); background: rgba(255,255,255,0.06); color: var(--text); }
.btn-small { padding: 10px 16px; background: rgba(8, 217, 255, 0.1); color: var(--primary); border-color: rgba(8, 217, 255, 0.28); }
.btn-large { padding: 18px 26px; }

.hero { padding-top: 78px; min-height: calc(100vh - 78px); display: flex; align-items: center; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.eyebrow { color: var(--primary); font-weight: 900; text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; margin: 0 0 14px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.65rem, 7vw, 5.8rem); line-height: .93; letter-spacing: -.075em; margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4.5vw, 3.7rem); line-height: 1; letter-spacing: -.055em; margin-bottom: 18px; }
h3 { font-size: 1.22rem; line-height: 1.2; margin-bottom: 10px; }
.hero-text, .section-title p, .two-columns p, .demo-box p { color: var(--muted); font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0; }
.trust-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.trust-row div { border: 1px solid var(--line); background: rgba(255,255,255,0.05); border-radius: 18px; padding: 14px; }
.trust-row strong { display: block; font-size: 1.2rem; }
.trust-row span { color: var(--muted); font-size: .9rem; }

.hero-card { position: relative; min-height: 640px; }
.robot { position: absolute; right: -10px; bottom: 0; width: 300px; border-radius: 50%; filter: drop-shadow(0 20px 80px rgba(8, 217, 255, 0.25)); }
.phone-card { width: min(420px, 100%); min-height: 560px; border: 1px solid rgba(8, 217, 255, .28); border-radius: 36px; padding: 22px; background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.04)); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.phone-top { display: flex; align-items: center; gap: 10px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.phone-top span { width: 12px; height: 12px; background: var(--primary-2); border-radius: 50%; box-shadow: 0 0 18px var(--primary-2); }
.phone-top small { margin-left: auto; color: var(--primary-2); }
.chat { display: flex; flex-direction: column; gap: 14px; padding-top: 22px; }
.bubble { max-width: 88%; padding: 14px 16px; border-radius: 18px; font-size: .96rem; }
.bubble.bot { background: rgba(255,255,255,.1); border-top-left-radius: 4px; }
.bubble.user { background: rgba(8,217,255,.22); margin-left: auto; border-top-right-radius: 4px; }
.bubble.success { border: 1px solid rgba(16, 240, 183, .35); }

.two-columns { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.align-center { align-items: center; }
.cards-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.mini-card, .step, .segment, .price-card, .benefit-list div, details { border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); padding: 22px; box-shadow: 0 16px 50px rgba(0,0,0,.14); }
.section-title { text-align: center; max-width: 780px; margin: 0 auto 44px; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.step span { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: rgba(8,217,255,.14); color: var(--primary); font-weight: 900; margin-bottom: 18px; }
.step p, .segment p, .price-card li, .benefit-list span, details p, .footer p { color: var(--muted); }
.dark { background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015)); border-block: 1px solid var(--line); }
.segment-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.segment { min-height: 160px; }
.benefit-list { display: grid; gap: 14px; }
.benefit-list strong, .benefit-list span { display: block; }
.benefit-list span { margin-top: 4px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.price-card { position: relative; background: rgba(255,255,255,.065); }
.price-card.featured { border-color: rgba(8,217,255,.5); transform: translateY(-10px); background: linear-gradient(180deg, rgba(8,217,255,.14), rgba(255,255,255,.06)); }
.badge { position: absolute; top: 18px; right: 18px; background: var(--primary); color: #03111b; font-weight: 900; border-radius: 999px; padding: 6px 10px; font-size: .78rem; }
.price { font-size: 2.3rem; font-weight: 950; letter-spacing: -.04em; margin-bottom: 18px; }
.price span { display: block; font-size: .95rem; font-weight: 700; color: var(--muted); letter-spacing: 0; }
ul { padding-left: 20px; margin-bottom: 24px; }
.demo-box { display: flex; align-items: center; justify-content: space-between; gap: 28px; border: 1px solid rgba(8,217,255,.3); background: linear-gradient(135deg, rgba(8,217,255,.16), rgba(16,240,183,.08)); border-radius: 34px; padding: 34px; box-shadow: var(--shadow); }
.faq-list { max-width: 840px; margin: 0 auto; display: grid; gap: 12px; }
details summary { cursor: pointer; font-weight: 900; }
details p { margin: 12px 0 0; }
.footer { border-top: 1px solid var(--line); padding: 42px 0; background: rgba(0,0,0,.2); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 28px; }
.footer a { display: block; color: var(--muted); margin-top: 8px; }
.footer-brand { margin-bottom: 12px; }
.floating-whatsapp { position: fixed; right: 18px; bottom: 18px; z-index: 60; background: linear-gradient(135deg, var(--primary-2), var(--primary)); color: #02111d; font-weight: 950; border-radius: 999px; padding: 14px 18px; box-shadow: 0 18px 50px rgba(8,217,255,.28); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; inset: 78px 20px auto 20px; background: rgba(5, 8, 20, .96); border: 1px solid var(--line); border-radius: 22px; padding: 18px; flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .hero-grid, .two-columns, .footer-grid { grid-template-columns: 1fr; }
  .hero-card { min-height: auto; display: grid; gap: 18px; }
  .robot { position: relative; right: auto; width: 220px; margin: -40px auto 0; }
  .steps, .segment-grid, .pricing-grid, .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .price-card.featured { transform: none; }
  .demo-box { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1120px); }
  .section { padding: 64px 0; }
  .hero { padding-top: 48px; }
  .steps, .segment-grid, .pricing-grid, .cards-grid, .trust-row { grid-template-columns: 1fr; }
  .phone-card { min-height: auto; border-radius: 28px; }
  h1 { font-size: 3rem; }
  .floating-whatsapp { left: 14px; right: 14px; text-align: center; }
}