:root {
  --accent: #1f6feb;
  --accent-dark: #1855b8;
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --text: #1f2328;
  --muted: #59636e;
  --border: #d1d9e0;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 10;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; flex-wrap: wrap; gap: 12px;
}
.brand { font-size: 20px; font-weight: 700; color: var(--text); }
.brand span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-weight: 500; }
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-block; border-radius: 8px; padding: 11px 18px;
  font-weight: 600; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); text-decoration: none; }
.btn-ghost { background: #fff; color: var(--accent); border-color: var(--accent); }
.btn-ghost:hover { background: var(--bg-soft); text-decoration: none; }
.btn-lg { padding: 14px 24px; font-size: 17px; }

.hero { padding: 88px 0 72px; }
.hero h1 { font-size: 46px; line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.5px; }
.hero p { font-size: 19px; color: var(--muted); max-width: 620px; margin: 0 0 28px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.section { padding: 56px 0; }
.section.alt { background: var(--bg-soft); }
.section h2 { font-size: 30px; margin: 0 0 10px; }
.section .lead { color: var(--muted); max-width: 680px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 28px; }
.card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
}
.card h3 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); }

.pricing-card { max-width: 420px; }
.pricing-card .amount { font-size: 40px; font-weight: 800; }
.pricing-card .per { color: var(--muted); font-size: 16px; font-weight: 400; }
.price-list { list-style: none; padding: 0; margin: 20px 0; }
.price-list li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.price-list li:last-child { border-bottom: 0; }

.prose { max-width: 760px; }
.prose h2 { margin-top: 32px; }
.prose p, .prose li { color: #333; }

.contact-card { max-width: 480px; }
.contact-card p { margin: 6px 0; }

footer { border-top: 1px solid var(--border); padding: 32px 0; margin-top: 24px; }
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 14px; }
.foot a { color: var(--muted); }

@media (max-width: 640px) {
  .hero h1 { font-size: 34px; }
  .nav { height: auto; padding: 14px 0; }
}