:root {
  --bg: #0a0e14;
  --bg-card: #121820;
  --bg-elevated: #1a2230;
  --border: #2a3548;
  --text: #e8edf5;
  --muted: #8b9bb4;
  --accent: #3dd6c6;
  --accent-dim: #2a9d8f;
  --warn: #f4a261;
  --radius: 12px;
  --font: "DM Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  display: flex;
  flex-direction: column;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.site-header nav { display: flex; gap: 1.25rem; align-items: center; }
.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}
.site-header nav a:hover,
.site-header nav a.active { color: var(--text); }
.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.nav-cta.active { border-color: var(--accent); color: var(--accent); }

.site-main {
  flex: 1;
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.site-footer {
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}
.site-footer a { color: var(--accent); }

.hero { margin-bottom: 2rem; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  line-height: 1.15;
}
.lead { font-size: 1.1rem; color: var(--muted); max-width: 36em; margin: 0 0 1.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.5rem; }
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}
.feature-list li {
  padding-left: 1.25rem;
  position: relative;
  color: var(--muted);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.page-head h1 { margin: 0 0 0.5rem; font-size: 1.75rem; }
.muted { color: var(--muted); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.card-dim { background: var(--bg-elevated); }
.card.center { text-align: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #041210;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--muted); }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }

.prose p { margin: 0 0 0.75rem; color: var(--muted); }
.prose strong { color: var(--text); }
.warn { color: var(--warn); }

.buy-form label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.9rem; }
.buy-form input[type="email"] {
  width: 100%;
  max-width: 400px;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.hint { font-size: 0.85rem; color: var(--muted); margin: 0.5rem 0 1rem; }
.hint code {
  background: var(--bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  color: var(--accent);
}
.pay-methods { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.pay-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  margin-top: 1rem;
}
@media (max-width: 560px) {
  .pay-grid { grid-template-columns: 1fr; justify-items: center; }
}
.qr-wrap {
  background: #fff;
  padding: 12px;
  border-radius: 8px;
}
.bank-dl { margin: 0; }
.bank-dl dt { font-size: 0.75rem; text-transform: uppercase; color: var(--muted); margin-top: 0.75rem; }
.bank-dl dt:first-child { margin-top: 0; }
.bank-dl dd { margin: 0.2rem 0 0; }
.bank-dl code { color: var(--accent); }

/* Admin */
.admin-wrap {
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem;
}
.admin-nav {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.admin-nav a { color: var(--accent); text-decoration: none; font-size: 0.9rem; }
.admin-form label { display: block; margin: 1rem 0 0.35rem; font-weight: 600; font-size: 0.85rem; }
.admin-form input,
.admin-form textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
}
.admin-form textarea { min-height: 100px; resize: vertical; }
.flash-ok {
  background: rgba(61, 214, 198, 0.12);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.flash-err {
  background: rgba(255, 120, 120, 0.12);
  border: 1px solid #c44;
  color: #f3a8a8;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.login-card { max-width: 380px; margin: 4rem auto; }

.redirect-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: var(--muted);
}