:root {
  --accent: #9DC626;
  --accent-dark: #7fa81e;
  --accent-soft: #eefacd;
  --bg: #f7f7fb;
  --card: #ffffff;
  --border: #e4e4ec;
  --text: #1a2332;
  --muted: #6b7280;
  --ok: #16a34a;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: #fff;
  color: var(--text);
  line-height: 1.55;
}
img { max-width: 100%; }
a { color: var(--accent-dark); }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { line-height: 1.2; font-weight: 800; letter-spacing: -0.01em; }
h1 { font-size: clamp(32px, 5vw, 52px); margin: 0 0 18px; }
h2 { font-size: clamp(26px, 4vw, 36px); margin: 0 0 12px; }
h3 { font-size: 19px; margin: 0 0 8px; }
p { color: var(--muted); }
.eyebrow { color: var(--accent-dark); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 10px; }
.lead { font-size: 18px; color: var(--muted); max-width: 640px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; max-width: 1120px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-logo { height: 20px; width: auto; display: block; }
.brand-divider { width: 1px; height: 18px; background: var(--border); display: inline-block; }
.brand-chat { font-weight: 800; font-size: 16px; letter-spacing: .04em; color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text); text-decoration: none; font-size: 14.5px; font-weight: 600; }
.nav-links a:hover { color: var(--accent-dark); }
.nav-lang { font-size: 13px; color: var(--muted); text-decoration: none; border: 1px solid var(--border); border-radius: 20px; padding: 5px 12px; }
.nav-lang:hover { border-color: var(--accent-dark); color: var(--accent-dark); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: #fff !important; border: none; border-radius: 10px;
  padding: 13px 22px; font-size: 15px; font-weight: 700; cursor: pointer; text-decoration: none;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn.secondary { background: #fff; color: var(--text) !important; border: 1.5px solid var(--border); }
.btn.secondary:hover { border-color: var(--accent-dark); color: var(--accent-dark) !important; }
.btn.small { padding: 9px 16px; font-size: 13.5px; }

/* ---------- Hero ---------- */
.hero { padding: 76px 0 60px; background: radial-gradient(circle at 20% 0%, var(--accent-soft) 0%, #fff 55%); }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-ctas { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-note { font-size: 13px; color: var(--muted); margin-top: 14px; }
.hero-mock {
  background: #fff; border: 1px solid var(--border); border-radius: 20px; box-shadow: 0 24px 60px rgba(20,20,50,.12);
  overflow: hidden;
}
.hero-mock .mh { background: var(--accent); color: #fff; padding: 16px 18px; display: flex; align-items: center; gap: 10px; font-weight: 700; }
.hero-mock .mh .avatar { width: 26px; height: 26px; border-radius: 50%; background: #fff; color: var(--accent-dark); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800; }
.hero-mock .mh .mock-logo { height: 14px; width: auto; display: block; }
.hero-mock .mb { padding: 20px; background: #fafafa; display: flex; flex-direction: column; gap: 12px; min-height: 220px; }
.mb .bubble { max-width: 80%; padding: 10px 14px; border-radius: 14px; font-size: 13.5px; }
.mb .bubble.bot { background: #eee; align-self: flex-start; border-bottom-left-radius: 4px; }
.mb .bubble.me { background: var(--accent); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.hero-mock .mi { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; }
.hero-mock .mi span { flex: 1; background: #f2f2f6; border-radius: 20px; padding: 10px 14px; font-size: 13px; color: #9aa; }

/* ---------- Logos / trust ---------- */
.trustbar { padding: 26px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trustbar-inner { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; justify-content: center; color: var(--muted); font-size: 13.5px; }
.trustbar-inner strong { color: var(--text); }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-head { max-width: 660px; margin: 0 auto 44px; text-align: center; }
.section-head.left { margin: 0 0 44px; text-align: left; }

/* Benefit cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px;
}
.card .icon {
  width: 42px; height: 42px; border-radius: 11px; background: var(--accent-soft); color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.card p { margin: 0; font-size: 14.5px; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: step; }
.step { position: relative; padding-left: 0; }
.step .num {
  width: 34px; height: 34px; border-radius: 50%; background: var(--text); color: #fff; font-weight: 800;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 14px;
}
.step p { font-size: 14.5px; }

/* Specs */
.specs-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; background: var(--bg); border-radius: 24px; padding: 44px; }
.spec-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.spec-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--text); }
.spec-list svg { flex-shrink: 0; margin-top: 2px; color: var(--accent-dark); }
.spec-list b { display: block; margin-bottom: 2px; }
.spec-list span.d { color: var(--muted); font-size: 13.5px; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.plan { background: var(--card); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--accent-dark); box-shadow: 0 20px 45px rgba(125,168,30,.22); position: relative; }
.plan.featured::before {
  content: attr(data-badge); position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; font-size: 11.5px; font-weight: 700; padding: 4px 14px; border-radius: 20px;
}
.plan .price { display: flex; align-items: baseline; gap: 6px; margin: 14px 0 4px; }
.plan .price .amount { font-size: 40px; font-weight: 800; }
.plan .price .period { color: var(--muted); font-size: 14px; }
.plan .plan-desc { font-size: 13.5px; margin-bottom: 18px; }
.plan ul { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.plan li { display: flex; gap: 9px; font-size: 13.8px; color: var(--text); align-items: flex-start; }
.plan li svg { flex-shrink: 0; color: var(--ok); margin-top: 3px; }
.pricing-note { text-align: center; color: var(--muted); font-size: 13.5px; margin-top: 26px; }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq details {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 4px 20px;
}
.faq summary {
  cursor: pointer; font-weight: 700; font-size: 15.5px; padding: 16px 0; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 22px; color: var(--accent-dark); font-weight: 400; flex-shrink: 0; }
.faq details[open] summary::after { content: '–'; }
.faq .faq-a { margin: -6px 0 18px; font-size: 14.5px; }

/* Final CTA */
.cta-banner {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark)); border-radius: 28px; padding: 56px 40px; text-align: center; color: #fff;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,.85); max-width: 520px; margin: 0 auto 26px; }
.cta-banner .btn.secondary { background: #fff; border-color: #fff; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 46px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 12px; }
.footer-col a { display: block; color: var(--text); text-decoration: none; font-size: 14px; margin-bottom: 9px; }
.footer-col a:hover { color: var(--accent-dark); }
.footer-bottom { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 12.5px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .steps, .pricing-grid { grid-template-columns: 1fr; }
  .specs-wrap { grid-template-columns: 1fr; padding: 28px; }
  .nav-links { display: none; }
}