* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: #08111f; color: #eaf2ff; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.topbar { padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(10px); }
.brand { font-size: 20px; font-weight: 700; letter-spacing: .4px; }
.hero { padding: 52px 0 36px; background: radial-gradient(circle at top right, rgba(72,116,255,.22), transparent 30%), radial-gradient(circle at left top, rgba(0,214,201,.16), transparent 30%); }
.grid { display: grid; gap: 28px; }
.hero-grid { grid-template-columns: 1.1fr .9fr; align-items: center; }
.badge { display: inline-block; padding: 9px 14px; border-radius: 999px; background: rgba(0,214,201,.12); border: 1px solid rgba(0,214,201,.3); color: #9ff6ef; font-size: 13px; }
h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.02; margin: 18px 0 14px; }
.lead { font-size: 18px; line-height: 1.7; color: #c7d7f3; }
.price-box, .card, .form-card, .login-card { background: rgba(8,17,31,.76); border: 1px solid rgba(255,255,255,.08); border-radius: 22px; box-shadow: 0 16px 40px rgba(0,0,0,.25); }
.price-box { padding: 24px; }
.price-old { color: #9db1d6; text-decoration: line-through; }
.price-now { font-size: 42px; font-weight: 800; margin: 8px 0; color: #ffffff; }
.price-note { color: #90f8e8; font-weight: 700; }
.btn { display: inline-block; padding: 15px 22px; border-radius: 14px; background: linear-gradient(135deg, #00d6c9, #4d7fff); color: #04101f; font-weight: 800; border: none; cursor: pointer; }
.btn.block { width: 100%; }
.btn.secondary { background: transparent; color: #eaf2ff; border: 1px solid rgba(255,255,255,.15); }
.section { padding: 42px 0; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.card { padding: 22px; }
.card h3 { margin-top: 0; }
.highlight { color: #9ff6ef; }
ul.clean { margin: 0; padding-left: 18px; line-height: 1.8; color: #c7d7f3; }
.form-card, .login-card { padding: 24px; }
label { display: block; font-size: 14px; margin-bottom: 7px; color: #c8d4ea; }
input { width: 100%; padding: 14px 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,.12); background: #0b1527; color: #fff; margin-bottom: 14px; }
.small { font-size: 13px; color: #9db1d6; }
.center { text-align: center; }
.notice { padding: 14px 16px; border-radius: 12px; margin-bottom: 16px; }
.notice.success { background: rgba(34,197,94,.14); border: 1px solid rgba(34,197,94,.4); color: #c6ffd8; }
.notice.error { background: rgba(239,68,68,.14); border: 1px solid rgba(239,68,68,.35); color: #ffd2d2; }
.notice.warning { background: rgba(245,158,11,.14); border: 1px solid rgba(245,158,11,.35); color: #ffe7b8; }
.footer { padding: 26px 0 42px; color: #9db1d6; }
.hero-list { display: grid; gap: 10px; margin: 22px 0; }
.hero-item { padding: 12px 14px; border: 1px solid rgba(255,255,255,.08); border-radius: 14px; background: rgba(255,255,255,.03); }
.mockup { min-height: 540px; background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)); border-radius: 28px; padding: 24px; border: 1px solid rgba(255,255,255,.1); position: relative; overflow: hidden; }
.mockup::before { content: ''; position: absolute; inset: auto -60px -80px auto; width: 230px; height: 230px; border-radius: 50%; background: rgba(0,214,201,.18); filter: blur(10px); }
.mockup-book { position: absolute; width: 220px; right: 42px; top: 72px; padding: 20px; border-radius: 16px; background: linear-gradient(135deg, #0f1b31, #112748); border: 1px solid rgba(255,255,255,.12); transform: rotate(8deg); }
.mockup-book.secondary { right: 160px; top: 190px; transform: rotate(-8deg); }
.mockup-book h3 { margin: 0 0 8px; font-size: 18px; }
.mockup-book p { margin: 0; color: #c7d7f3; font-size: 14px; line-height: 1.5; }
.table-downloads { width: 100%; border-collapse: collapse; }
.table-downloads th, .table-downloads td { padding: 14px 12px; border-bottom: 1px solid rgba(255,255,255,.09); text-align: left; }
.header-actions { display: flex; gap: 12px; align-items: center; justify-content: space-between; }
@media (max-width: 900px) {
  .hero-grid, .cards-3 { grid-template-columns: 1fr; }
  .mockup { min-height: 420px; }
  .mockup-book { width: 180px; right: 20px; }
  .mockup-book.secondary { right: 110px; top: 175px; }
}