:root {
  --bg: #0a0a1a;
  --bg-soft: #101126;
  --panel: #13142b;
  --panel-2: #181a36;
  --line: #25284d;
  --text: #ececf6;
  --muted: #a8aac4;
  --muted-2: #7d809c;
  --accent: #8f86ff;
  --accent-2: #5fd1c5;
  --warn: #ffcc66;
  --danger: #ff8b7d;
  --success: #7ce2a7;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "Inter", system-ui, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(143, 134, 255, 0.16), transparent 28%),
    radial-gradient(circle at top left, rgba(95, 209, 197, 0.10), transparent 22%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 26, 0.88);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner,
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
}

.brand {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

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

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.current {
  color: #fff;
  text-decoration: none;
}

.hero {
  padding: 88px 0 38px;
}

.hero-card {
  background: linear-gradient(145deg, rgba(24, 26, 54, 0.92), rgba(15, 16, 35, 0.92));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 28px;
  padding: 42px;
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent-2);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 800;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.08rem;
}

.notice {
  margin-top: 22px;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: rgba(0,0,0,0.18);
  color: var(--muted);
}

.chip-row,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(143, 134, 255, 0.12);
  border: 1px solid rgba(143, 134, 255, 0.28);
  color: #d9d6ff;
  font-size: 0.92rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
}

.btn:hover { text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #7267ff);
  color: #fff;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-secondary {
  border-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
  color: var(--text);
}
.btn-secondary:hover { border-color: rgba(143, 134, 255, 0.36); }
.btn-link {
  padding: 0;
  color: var(--accent-2);
  background: transparent;
}

.section {
  padding: 14px 0 34px;
}

.section h2 {
  margin: 0 0 12px;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  letter-spacing: -0.03em;
}

.section p.section-intro {
  margin: 0 0 28px;
  color: var(--muted);
  max-width: 760px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
  gap: 18px;
}

.card,
.side-card,
.callout,
.table-wrap,
.flow-wrap {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h3,
.side-card h3,
.callout h3 {
  margin: 0;
  font-size: 1.15rem;
}

.card p,
.side-card p,
.callout p {
  margin: 0;
  color: var(--muted);
}

.card .price {
  color: #fff;
  font-size: 1.7rem;
  font-weight: 800;
}

.card .actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.info-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.9fr);
  gap: 22px;
}

.article {
  display: grid;
  gap: 22px;
}

.article section,
.side-card,
.callout,
.table-wrap,
.flow-wrap {
  padding: 24px;
}

.article h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.article h4 {
  margin: 18px 0 8px;
  font-size: 1rem;
}

.article p,
.article li {
  color: var(--muted);
}

.article strong,
.side-card strong { color: var(--text); }

.checklist,
.step-list,
.link-list,
.meta-list {
  margin: 0;
  padding-left: 20px;
}

.step-list li,
.checklist li,
.link-list li,
.meta-list li {
  margin-bottom: 10px;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
}

.table-wrap th,
.table-wrap td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  vertical-align: top;
}

.table-wrap th {
  color: var(--accent-2);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kbd,
code {
  font-family: Consolas, "SFMono-Regular", monospace;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 8px;
  color: #d9d6ff;
}

.flow-wrap h3 {
  margin-bottom: 14px;
}

.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}

.flow-step {
  min-height: 92px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(143, 134, 255, 0.10), rgba(95, 209, 197, 0.05));
}

.flow-step strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
}

.flow-step span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.callout {
  border-left: 4px solid var(--accent-2);
}

.callout.warning { border-left-color: var(--warn); }
.callout.danger { border-left-color: var(--danger); }
.callout.success { border-left-color: var(--success); }

.small-note {
  color: var(--muted-2);
  font-size: 0.92rem;
}

.footer {
  padding: 28px 0 56px;
  color: var(--muted-2);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 14px;
}

.footer-links a { color: var(--muted); }

@media (max-width: 900px) {
  .info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .header-inner { padding: 10px 0; align-items: flex-start; }
  .nav-links { gap: 12px; }
  .hero-card { padding: 26px; }
  .card, .article section, .side-card, .callout, .table-wrap, .flow-wrap { padding: 20px; }
}