* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --red: #e62117; --dark: #0f0f0f; --panel: #1a1a1a; --text: #eaeaea;
  --muted: #9a9a9a; --border: #2c2c2c; --green: #22c55e;
}
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--dark); color: var(--text); line-height: 1.6; }
a { color: #ff6b60; }
.btn { display: inline-block; background: var(--red); color: #fff; text-decoration: none; border: 0;
  padding: 14px 32px; border-radius: 8px; font-size: 1.05rem; font-weight: 600; cursor: pointer; }
.btn:hover { background: #c81c13; }
.btn.wide { display: block; width: 100%; text-align: center; }

/* Landing */
.hero { background: linear-gradient(180deg, #1c0d0c 0%, var(--dark) 100%); padding: 24px 24px 80px; }
nav { max-width: 1000px; margin: 0 auto; }
.logo { font-weight: 700; font-size: 1.1rem; }
.hero-inner { max-width: 760px; margin: 70px auto 0; text-align: center; }
.hero h1 { font-size: 2.6rem; line-height: 1.2; margin-bottom: 14px; }
.tagline { color: var(--muted); font-size: 1.2rem; margin-bottom: 22px; }
.price { font-size: 1.8rem; font-weight: 700; margin-bottom: 24px; }
.price span { font-size: 0.9rem; color: var(--muted); font-weight: 400; }
.note { color: var(--muted); font-size: 0.85rem; margin-top: 16px; }
.features, .how, .demo-video { max-width: 1000px; margin: 0 auto; padding: 60px 24px; }
.features h2, .how h2 { text-align: center; margin-bottom: 34px; font-size: 1.8rem; }
.demo-video { display: grid; grid-template-columns: .85fr 1.15fr; gap: 26px; align-items: center; }
.demo-copy .eyebrow { color: #ff6b60; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; }
.demo-copy h2 { font-size: 1.9rem; line-height: 1.2; margin-bottom: 12px; }
.demo-copy p { color: var(--muted); }
.video-frame { background: #111; border: 1px solid var(--border); border-radius: 16px; padding: 10px; box-shadow: 0 24px 70px rgba(0,0,0,.32); }
.video-frame video { display: block; width: 100%; aspect-ratio: 16 / 9; border-radius: 10px; background: #050505; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 22px; }
.card h3 { margin-bottom: 8px; font-size: 1.05rem; }
.card p { color: var(--muted); font-size: 0.95rem; }
.how { text-align: center; }
.how ol { display: inline-block; text-align: left; margin-bottom: 26px; padding-left: 20px; color: var(--muted); }
footer { border-top: 1px solid var(--border); padding: 26px; text-align: center; color: var(--muted); font-size: 0.85rem; }

/* Panel pages (checkout, callback, download, admin login) */
.center-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 24px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 34px; width: 100%; max-width: 480px; }
.panel h1 { font-size: 1.5rem; margin-bottom: 8px; }
.sub { color: var(--muted); margin-bottom: 20px; }
label { display: block; margin-bottom: 14px; font-size: 0.92rem; }
label small { color: var(--muted); }
input, select { width: 100%; margin-top: 5px; padding: 11px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: #111; color: var(--text); font-size: 0.95rem; }
input:focus, select:focus { outline: 2px solid var(--red); border-color: var(--red); }
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 0.92rem; }
.alert.error { background: #3a1210; border: 1px solid #7f1d1d; color: #fda4a4; }
.alert.success { background: #0f2b18; border: 1px solid #14532d; color: #86efac; }
code { background: #111; padding: 2px 6px; border-radius: 4px; font-size: 0.85em; }

/* Admin */
.admin-wrap { max-width: 1100px; margin: 0 auto; padding: 24px; }
.admin-nav { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 26px;
  border-bottom: 1px solid var(--border); padding-bottom: 16px; }
.admin-nav .logo { margin-right: auto; }
.admin-nav a { color: var(--text); text-decoration: none; padding: 8px 14px; border-radius: 8px; font-size: 0.92rem; }
.admin-nav a.active, .admin-nav a:hover { background: var(--panel); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 28px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.stat .num { font-size: 1.6rem; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 0.85rem; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 12px; overflow: hidden; font-size: 0.9rem; }
th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #141414; color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
.badge { padding: 3px 10px; border-radius: 99px; font-size: 0.78rem; font-weight: 600; }
.badge.success { background: #0f2b18; color: #86efac; }
.badge.pending { background: #2b230f; color: #fde68a; }
.badge.failed { background: #3a1210; color: #fda4a4; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
@media (max-width: 700px) {
  .form-grid, .demo-video { grid-template-columns: 1fr; }
  .demo-copy { text-align: center; }
}
h2.section { margin: 26px 0 12px; font-size: 1.15rem; }