:root {
  --bg: #0b0f14;
  --bg-alt: #0f151c;
  --card: #131b24;
  --border: #1f2a36;
  --text: #e8eef5;
  --muted: #94a3b8;
  --accent: #34d399;
  --accent-dark: #0f766e;
  --radius: 14px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: #0a1017;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 5px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #04120c;
  font-size: 12px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 20px;
  margin-left: auto;
  font-size: 14px;
}

.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: #04120c; }
.btn-primary:hover { background: #4ade80; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--accent); }

.btn-lg { padding: 14px 24px; font-size: 16px; }

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px 24px 72px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.02em;
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.lead {
  max-width: 640px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-note { margin: 18px 0 0; color: var(--muted); font-size: 14px; }

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 24px;
}

.section-alt {
  max-width: none;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-alt > * { max-width: var(--max); margin-left: auto; margin-right: auto; }

h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.02em;
}

.section-lead { margin: 0 0 36px; color: var(--muted); max-width: 680px; }

.grid { display: grid; gap: 16px; margin-top: 32px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  padding: 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.card-accent { border-color: #1d4d3f; }
.card-accent h3 { color: var(--accent); }

.steps { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.steps li { padding: 22px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
.steps h3 { margin: 10px 0 8px; font-size: 17px; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

.step-num {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #0d2a22;
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
}

.price { display: flex; flex-direction: column; }
.price-featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.price-value { margin: 6px 0 16px; font-size: 34px; font-weight: 700; letter-spacing: -0.02em; }
.price-value span { font-size: 15px; font-weight: 500; color: var(--muted); }
.price ul { margin: 0 0 22px; padding-left: 18px; color: var(--muted); font-size: 15px; }
.price li { margin-bottom: 6px; }
.price .btn { margin-top: auto; text-align: center; }

.faq { display: grid; gap: 10px; margin-top: 28px; }
.faq details { padding: 16px 20px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq summary::marker { color: var(--accent); }
.faq p { margin: 12px 0 0; color: var(--muted); }

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 24px 40px;
}

.footer-grid { display: grid; gap: 32px; grid-template-columns: 2fr 1fr 1fr 1fr; }
.footer-title { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 15px; }
.footer ul a { color: var(--text); }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.page-title { margin: 0 0 8px; font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.02em; }
.card-next { margin-top: 16px; }

@media (max-width: 900px) {
  .grid-3, .grid-4, .steps, .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}

@media (max-width: 620px) {
  .grid-3, .grid-4, .steps, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 20px 48px; }
  .section { padding: 56px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}