:root {
  --bg: #050714;
  --bg-soft: #0c1020;
  --primary: #4f46e5;
  --accent: #22c55e;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --border-soft: #1f2933;
  --card-bg: #0b1020;
  --max-width: 1100px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 45%, #000 100%);
  color: var(--text-main);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.page { min-height: 100vh; display: flex; flex-direction: column; }
header {
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(to right, rgba(79,70,229,0.18), rgba(15,23,42,0.9));
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo { display: flex; align-items: center; gap: 0.6rem; font-weight: 600; letter-spacing: 0.02em; }
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #a855f7, #4f46e5 55%, #0ea5e9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: #e5e7eb;
  box-shadow: 0 0 18px rgba(59,130,246,0.7);
}
.nav-links { display: flex; gap: 1.4rem; font-size: 0.9rem; color: var(--text-muted); align-items: center; }
.nav-links a { position: relative; padding-bottom: 0.1rem; cursor: pointer; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  transition: width 0.2s ease-out;
}
.nav-links a:hover::after { width: 100%; }
.upgrade-btn, .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(135deg, #22c55e, #4f46e5);
  color: #f9fafb;
  font-weight: 650;
  box-shadow: 0 18px 45px rgba(79, 70, 229, 0.35);
}
.upgrade-btn { padding: 0.4rem 1.1rem; font-size: 0.85rem; }
.btn-primary { padding: 0.85rem 1.35rem; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: #e5e7eb;
  background: rgba(15, 23, 42, 0.72);
}
.section { max-width: var(--max-width); margin: 0 auto; padding: 4rem 1.5rem; width: 100%; }
.hero { text-align: center; padding-top: 4.8rem; padding-bottom: 3rem; }
.eyebrow {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.28rem 0.75rem;
  border: 1px solid rgba(34, 197, 94, 0.38);
  border-radius: 999px;
  color: #bbf7d0;
  background: rgba(34, 197, 94, 0.08);
  font-size: 0.84rem;
}
h1 { font-size: clamp(2.25rem, 5vw, 4.1rem); line-height: 1.05; letter-spacing: -0.055em; max-width: 920px; margin: 0 auto; }
.accent { color: #7dd3fc; }
.hero-subtitle { max-width: 760px; margin: 1.25rem auto 0; color: #d1d5db; font-size: 1.08rem; }
.hero-actions { display: flex; justify-content: center; gap: 0.85rem; flex-wrap: wrap; margin-top: 1.6rem; }
.cta-download-wrap { position: relative; display: inline-flex; align-items: center; }
.cta-tooltip {
  position: absolute;
  left: 50%;
  top: calc(100% + 0.65rem);
  transform: translateX(-50%);
  width: min(320px, 80vw);
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  background: rgba(15, 23, 42, 0.98);
  color: #d1d5db;
  font-size: 0.84rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0.18s ease;
  z-index: 5;
}
.cta-download-wrap:hover .cta-tooltip, .cta-download-wrap:focus-within .cta-tooltip { opacity: 1; visibility: visible; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.card {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.62));
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: 0 20px 48px rgba(0,0,0,0.22);
}
h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); line-height: 1.15; margin-bottom: 0.85rem; letter-spacing: -0.03em; }
h3 { font-size: 1.05rem; margin-bottom: 0.45rem; }
p { color: var(--text-muted); }
.table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid rgba(148, 163, 184, 0.18); background: rgba(15, 23, 42, 0.72); margin-top: 1rem; }
table { width: 100%; min-width: 720px; border-collapse: collapse; }
th, td { padding: 0.95rem; border-bottom: 1px solid rgba(148, 163, 184, 0.14); text-align: left; vertical-align: top; }
th { color: #f9fafb; background: rgba(79, 70, 229, 0.14); font-size: 0.9rem; }
td { color: #d1d5db; }
tr:last-child td { border-bottom: 0; }
.note { margin-top: 0.8rem; font-size: 0.9rem; color: #cbd5e1; }
.faq-list { display: grid; gap: 1rem; margin-top: 1rem; }
.faq-list .card p { font-size: 0.95rem; }
.final-cta { text-align: center; border-top: 1px solid rgba(148, 163, 184, 0.12); }
footer { border-top: 1px solid var(--border-soft); color: var(--text-muted); padding: 1.4rem 1.5rem; text-align: center; font-size: 0.9rem; }
@media (max-width: 820px) {
  .nav-inner { align-items: flex-start; flex-direction: column; }
  .nav-links { flex-wrap: wrap; gap: 0.8rem; }
  .grid { grid-template-columns: 1fr; }
  .section { padding: 3rem 1rem; }
}