/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: #0f0f1a;
  color: #e8e8f0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.7;
}

a { color: #a78bfa; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header ── */
header {
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFD700;
  letter-spacing: -0.3px;
}

.tagline {
  font-size: 0.875rem;
  color: #9090b0;
  margin-left: 4px;
}

.back {
  font-size: 0.875rem;
  color: #a78bfa;
  white-space: nowrap;
}

/* ── Main ── */
main {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

main.center {
  max-width: 860px;
  text-align: center;
}

h1 {
  font-size: 2rem;
  font-weight: 800;
  color: #FFD700;
  margin-bottom: 8px;
}

.meta {
  color: #9090b0;
  font-size: 0.875rem;
  margin-bottom: 32px;
}

/* ── Home card grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 40px;
  text-align: left;
}

a.card {
  display: block;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 32px 28px;
  transition: background 0.2s, border-color 0.2s;
  color: inherit;
}

a.card:hover {
  background: rgba(167,139,250,0.12);
  border-color: #a78bfa;
  text-decoration: none;
}

.card-icon { font-size: 2.5rem; margin-bottom: 16px; }
.card h2 { font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.card p { color: #b0b0c8; font-size: 0.95rem; }

/* ── Prose content ── */
.prose h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-top: 40px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.prose h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #d0d0e8;
  margin-top: 20px;
  margin-bottom: 8px;
}

.prose p {
  margin-bottom: 14px;
  color: #c8c8de;
}

.prose ul, .prose ol {
  padding-left: 24px;
  margin-bottom: 16px;
  color: #c8c8de;
}

.prose li { margin-bottom: 6px; }

strong { color: #e8e8f0; }

/* ── Table ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.9rem;
}

th {
  background: rgba(167,139,250,0.15);
  color: #d0d0e8;
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: #c0c0d8;
}

tr:hover td { background: rgba(255,255,255,0.03); }

/* ── Warning box ── */
.warning-box {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251,191,36,0.35);
  border-radius: 10px;
  padding: 16px 20px;
  color: #fbbf24;
  margin: 20px 0 32px;
  font-size: 0.95rem;
}

/* ── Steps visual ── */
.steps-visual {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 24px 0 32px;
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
}

.step {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(167,139,250,0.15);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.875rem;
  color: #d0c0ff;
}

.step-num {
  background: #7c3aed;
  color: #fff;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-arrow { color: #6060a0; font-size: 1.1rem; }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 24px;
  font-size: 0.8rem;
  color: #606080;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  main { padding: 32px 16px 48px; }
  h1 { font-size: 1.6rem; }
  .steps-visual { flex-direction: column; align-items: flex-start; }
  .step-arrow { transform: rotate(90deg); }
  header { padding: 16px; }
}