:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-soft: #dbeafe;
  --ink: #020617;
  --success: #15803d;
  --warning: #b45309;
  --danger: #b91c1c;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  border-bottom: 1px solid rgba(226,232,240,.9);
  backdrop-filter: blur(16px);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 16px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  letter-spacing: -.04em;
  font-size: 22px;
  color: var(--ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: linear-gradient(135deg, var(--brand), #0f172a);
  box-shadow: 0 14px 34px rgba(37,99,235,.28);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #334155;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover { color: var(--brand); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--brand);
  color: white;
  font-weight: 760;
  cursor: pointer;
  box-shadow: 0 16px 35px rgba(37,99,235,.22);
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}

.btn:hover {
  color: white;
  background: var(--brand-dark);
  transform: translateY(-1px);
  box-shadow: 0 20px 42px rgba(37,99,235,.28);
}

.btn.secondary {
  background: white;
  color: var(--text);
  border-color: var(--line);
  box-shadow: none;
}

.btn.secondary:hover {
  background: var(--surface-2);
  color: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 74px;
  background:
    radial-gradient(circle at 80% 10%, rgba(37,99,235,.18), transparent 34%),
    radial-gradient(circle at 8% 18%, rgba(14,165,233,.16), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fb 100%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.07fr .93fr;
  gap: 46px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  background: var(--brand-soft);
  color: #1e40af;
  font-size: 13px;
  font-weight: 760;
  margin-bottom: 18px;
}

h1, h2, h3 {
  letter-spacing: -.04em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(42px, 6.4vw, 76px);
  margin: 0 0 22px;
}

h2 {
  font-size: clamp(30px, 4.3vw, 48px);
  margin: 0 0 14px;
}

h3 {
  font-size: 22px;
  margin: 0 0 10px;
}

p { margin-top: 0; }

.lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 720px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 13px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.trust-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

.trust-row span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.panel {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(226,232,240,.9);
  border-radius: 30px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #166534;
  background: #dcfce7;
  border: 1px solid #bbf7d0;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 760;
  padding: 6px 10px;
}

.panel-body { padding: 24px; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.metric {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
}

.metric strong {
  display: block;
  font-size: 28px;
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: 6px;
}

.metric span {
  color: var(--muted);
  font-size: 14px;
}

.usage-bar {
  height: 11px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
  margin: 18px 0 8px;
}

.usage-bar div {
  width: 42%;
  height: 100%;
  background: linear-gradient(90deg, var(--brand), #0ea5e9);
  border-radius: inherit;
}

.section { padding: 72px 0; }
.section.compact { padding: 42px 0; }

.section-heading {
  max-width: 790px;
  margin-bottom: 34px;
}

.section-heading.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.muted { color: var(--muted); }

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 14px 42px rgba(15,23,42,.045);
}

.icon-box {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--brand);
  background: var(--brand-soft);
  margin-bottom: 16px;
}

.list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}

.list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 11px 0;
  color: #334155;
}

.list i {
  flex: 0 0 auto;
  margin-top: 3px;
  color: var(--brand);
}

.warning-box, .notice-box, .success-box {
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--line);
  background: white;
}

.warning-box { border-left: 5px solid var(--warning); }
.notice-box { border-left: 5px solid var(--brand); }
.success-box { border-left: 5px solid var(--success); }

.page-hero {
  padding: 68px 0 38px;
  background:
    radial-gradient(circle at 82% 10%, rgba(37,99,235,.14), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fb 100%);
}

.page-hero .lead { max-width: 860px; }

.steps {
  counter-reset: item;
  display: grid;
  gap: 16px;
}

.step {
  position: relative;
  padding-left: 78px;
}

.step::before {
  counter-increment: item;
  content: counter(item);
  position: absolute;
  left: 24px;
  top: 26px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: white;
  font-weight: 850;
}

.download-panel {
  background:
    radial-gradient(circle at 90% 0%, rgba(37,99,235,.14), transparent 32%),
    #ffffff;
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.download-item {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #f8fafc;
  margin-top: 16px;
}

.file-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: white;
}

.faq-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

details {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px 22px;
  box-shadow: 0 12px 34px rgba(15,23,42,.045);
}

summary {
  cursor: pointer;
  font-weight: 780;
  font-size: 18px;
  letter-spacing: -.02em;
}

details p {
  color: var(--muted);
  margin: 14px 0 0;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: white;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th, td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f8fafc;
  color: #334155;
  font-size: 14px;
}

td { color: #475569; }

.footer {
  margin-top: 48px;
  padding: 42px 0;
  background: #020617;
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: start;
}

.footer a { color: #cbd5e1; }
.footer a:hover { color: white; }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-end;
}

.legal-small {
  color: #94a3b8;
  font-size: 13px;
  max-width: 780px;
}

@media (max-width: 940px) {
  .hero-grid, .grid-4, .grid-3, .grid-2, .footer-grid {
    grid-template-columns: 1fr;
  }
  .navbar {
    align-items: flex-start;
    flex-direction: column;
  }
  .nav-links {
    justify-content: flex-start;
  }
  .metric-grid {
    grid-template-columns: 1fr;
  }
  .download-item {
    grid-template-columns: 1fr;
  }
  .footer-links {
    justify-content: flex-start;
  }
}