:root {
  --green: #25d366;
  --green-2: #1ebe5b;
  --bg: #0b141a;
  --bg-2: #0f1c24;
  --card: #111e27;
  --line: #1f2e38;
  --text: #e9eef2;
  --muted: #8aa0ad;
  --radius: 14px;
  --maxw: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.container.narrow { max-width: 820px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, background .2s ease, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #06231a; }
.btn-primary:hover { background: var(--green-2); }
.btn-outline { border-color: var(--line); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--green); }
.btn-ghost { color: var(--text); background: transparent; }
.btn-ghost:hover { color: var(--green); }
.btn-lg { padding: 14px 24px; font-size: 16px; }
.btn-block { width: 100%; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 20, 26, 0.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: var(--green); color: #06231a; font-weight: 800;
}
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--muted); font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-toggle { display: none; background: none; border: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; }

/* Hero */
.hero { padding: 70px 0 50px; background:
  radial-gradient(800px 400px at 80% -10%, rgba(37, 211, 102, 0.14), transparent 60%),
  radial-gradient(600px 300px at 0% 20%, rgba(37, 211, 102, 0.08), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.pill {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: rgba(37, 211, 102, 0.12); color: var(--green); border: 1px solid rgba(37, 211, 102, 0.25);
  margin-bottom: 18px;
}
.hero h1 { font-size: 50px; line-height: 1.08; font-weight: 800; letter-spacing: -1px; }
.grad { background: linear-gradient(90deg, var(--green), #7ef0a9); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: 18px; margin: 18px 0 26px; max-width: 560px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-checks { list-style: none; display: flex; gap: 20px; flex-wrap: wrap; margin-top: 22px; color: var(--muted); font-size: 14px; }
.hero-checks .ck { width: 16px; height: 16px; color: var(--green); vertical-align: -3px; }

/* Hero mock */
.hero-art { display: flex; justify-content: center; }
.mock {
  width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--line);
  border-radius: 18px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.mock-top { display: flex; align-items: center; gap: 7px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.mock-top .dot { width: 10px; height: 10px; border-radius: 50%; background: #2c3e49; }
.mock-title { margin-left: auto; font-size: 13px; color: var(--muted); }
.mock-body { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.mock-row {
  display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 12px;
  background: var(--bg-2); border: 1px solid var(--line);
}
.mock-row strong { display: block; font-size: 14px; }
.mock-row small { color: var(--muted); font-size: 12px; }
.mock-ico { color: var(--green); display: inline-flex; align-items: center; }
.mock-ico svg { width: 22px; height: 22px; }
.mock-badge {
  margin-left: auto; font-size: 11px; padding: 3px 10px; border-radius: 999px;
  background: rgba(37, 211, 102, 0.15); color: var(--green);
}
.mock-bar { height: 8px; border-radius: 999px; background: var(--bg-2); overflow: hidden; margin-top: 4px; }
.mock-bar span { display: block; height: 100%; background: var(--green); }
.mock-foot { color: var(--muted); font-size: 12px; }

/* Stats */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 28px 0; text-align: center; }
.stats-grid strong { display: block; font-size: 26px; color: var(--green); }
.stats-grid span { color: var(--muted); font-size: 14px; }

/* Sections */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-2); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.eyebrow { color: var(--green); font-weight: 700; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; }
.section-head h2 { font-size: 34px; margin: 10px 0; letter-spacing: -0.5px; }
.section-head p { color: var(--muted); font-size: 17px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: transform .2s ease, border-color .2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(37, 211, 102, 0.4); }
.card-ico { color: var(--green); margin-bottom: 12px; line-height: 0; }
.card-ico svg { width: 30px; height: 30px; }
.card h3 { font-size: 18px; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 15px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step-n {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  background: var(--green); color: #06231a; font-weight: 800; margin-bottom: 14px;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--muted); }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; }
.plan {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 28px;
}
.plan.featured { border-color: var(--green); box-shadow: 0 20px 50px rgba(37, 211, 102, 0.10); transform: translateY(-6px); }
.plan-tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: #06231a; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px;
}
.plan h3 { font-size: 20px; }
.price { font-size: 38px; font-weight: 800; margin: 8px 0; }
.price span { font-size: 15px; color: var(--muted); font-weight: 500; }
.plan-desc { color: var(--muted); margin-bottom: 16px; }
.plan ul { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.plan ul li { padding-left: 26px; position: relative; color: var(--text); }
.plan ul li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px;
}
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::after { content: "+"; color: var(--green); font-size: 22px; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin-top: 10px; }

/* CTA */
.cta { padding: 70px 0; }
.cta-box {
  background: linear-gradient(120deg, rgba(37,211,102,0.16), rgba(37,211,102,0.04));
  border: 1px solid rgba(37, 211, 102, 0.3); border-radius: 20px;
  padding: 50px 24px; text-align: center;
}
.cta-box h2 { font-size: 30px; }
.cta-box p { color: var(--muted); margin: 10px 0 24px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-top: 50px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; padding-bottom: 30px; }
.footer-grid h4 { margin-bottom: 12px; font-size: 15px; }
.footer-grid a { display: block; color: var(--muted); padding: 4px 0; }
.footer-grid a:hover { color: var(--text); }
.muted { color: var(--muted); margin-top: 10px; max-width: 280px; }
.footer-bottom { border-top: 1px solid var(--line); padding: 20px 0; color: var(--muted); font-size: 14px; text-align: center; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; }
  .cards, .steps, .plans { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .plan.featured { transform: none; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 16px 20px; gap: 14px;
  }
}