:root {
  --bg: #0b1020;
  --panel: #0f152a;
  --panel-2: #121938;
  --text: #e6e8ef;
  --muted: #c3c7d3;
  --brand: #7c5cff;
  --brand-2: #5d3bff;
  --accent: #22d3ee;
  --danger: #ef4444;
  --ok: #22c55e;
  --ring: rgba(124, 92, 255, .45);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1000px 600px at 10% -10%, #1a1f3f 0%, transparent 60%),
              radial-gradient(1000px 600px at 100% 0%, #181f48 0%, transparent 60%),
              var(--bg);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,16,32,.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.logo-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--brand), var(--accent)); font-weight: 700; }
.logo-text { font-weight: 700; letter-spacing: .3px; }
.nav { display: flex; gap: 18px; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.nav a:hover { color: var(--text); }
.cart-link { position: relative; display: inline-flex; align-items: center; gap: 8px; }
.cart-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 999px; background: var(--brand); color: white; font-size: 12px; box-shadow: var(--shadow); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 12px; padding: 12px 16px; font-weight: 700; text-decoration: none; cursor: pointer; transition: .2s ease; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: white; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-secondary { background: rgba(255,255,255,.06); color: var(--text); border-color: rgba(255,255,255,.12); }
.btn-secondary:hover { border-color: rgba(255,255,255,.2); }
.btn-ghost { background: transparent; color: var(--text); border-color: rgba(255,255,255,.12); }
.btn-ghost:hover { border-color: rgba(255,255,255,.2); }

/* Hero */
.hero { padding: 80px 0 40px; }
.hero-inner { text-align: center; }
.hero h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.2; margin: 0 0 12px; }
.hero p { color: var(--muted); margin: 0 0 22px; font-size: clamp(16px, 2.2vw, 18px); }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Features */
.features { padding: 40px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.feature-card { background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.04)); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.feature-icon { font-size: 20px; }

/* Products */
.products { padding: 30px 0 50px; }
.section-head { text-align: center; margin-bottom: 18px; }
.section-head h2 { margin: 0 0 6px; font-size: 28px; }
.section-head p { margin: 0; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.product-card { position: relative; background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.035)); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.product-media { height: 140px; background: radial-gradient(300px 160px at 20% -40%, rgba(124,92,255,.5), transparent 60%), radial-gradient(300px 160px at 120% 0%, rgba(34,211,238,.4), transparent 60%), var(--panel); border-bottom: 1px solid rgba(255,255,255,.06); display: grid; place-items: center; font-size: 42px; }
.product-body { padding: 14px; display: grid; gap: 10px; }
.product-title { margin: 0; font-size: 18px; }
.product-desc { color: var(--muted); margin: 0; font-size: 14px; }
.price-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.price { font-weight: 800; }
.product-actions { display: flex; gap: 8px; }
.tag { font-size: 12px; padding: 4px 8px; border-radius: 999px; background: rgba(34,211,238,.12); color: var(--text); border: 1px solid rgba(34,211,238,.35); }

/* Pricing */
.pricing { padding: 30px 0 40px; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.price-card { position: relative; background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.035)); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.price-card .price { font-size: 28px; margin: 10px 0; }
.price-features { margin: 10px 0 16px; padding: 0 0 0 18px; color: var(--muted); }
.price-card.popular { border-color: rgba(124,92,255,.6); box-shadow: 0 0 0 3px var(--ring), var(--shadow); }
.price-card .badge { position: absolute; top: 14px; right: 14px; font-size: 12px; padding: 4px 8px; background: rgba(124,92,255,.22); border: 1px solid rgba(124,92,255,.5); border-radius: 999px; }

/* FAQ */
.faq { padding: 20px 0 50px; }
.faq details { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 12px 14px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 700; }

/* Checkout */
.checkout { padding: 40px 0 50px; }
.checkout-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.cart-table { width: 100%; border-collapse: collapse; background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; overflow: hidden; }
.cart-table th, .cart-table td { padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,.06); text-align: left; }
.cart-table tfoot td { font-weight: 800; }
.cart-table .right { text-align: right; }
.checkout-form .field { display: grid; gap: 6px; margin-bottom: 12px; }
.checkout-form input { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 10px 12px; color: var(--text); }
.checkout-form input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--ring); }
.help-text { color: var(--muted); margin-top: 6px; }
.notice { padding: 12px; background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.35); border-radius: 10px; }
.order-complete { text-align: center; }
.download-list { display: grid; gap: 12px; margin: 18px 0; }

/* Footer */
.site-footer { padding: 24px 0 40px; border-top: 1px solid rgba(255,255,255,.08); background: rgba(11,16,32,.4); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.subscribe { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.subscribe input { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 10px 12px; color: var(--text); min-width: 240px; }
.legal { color: var(--muted); }

/* Utils */
.hidden { display: none !important; }

/* Mobile Navigation */
@media (max-width: 768px) {
  .header-inner { flex-direction: column; gap: 12px; padding: 12px 0; }
  .nav { gap: 12px; flex-wrap: wrap; justify-content: center; }
  .nav a { font-size: 14px; }
  .cart-link { font-size: 14px; }
}

/* Mobile Hero */
@media (max-width: 768px) {
  .hero { padding: 40px 0 30px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 16px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 200px; }
}

/* Mobile Features */
@media (max-width: 768px) {
  .features { padding: 30px 0; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card { padding: 16px; }
}

/* Mobile Products */
@media (max-width: 768px) {
  .products { padding: 20px 0 40px; }
  .product-grid { grid-template-columns: 1fr; gap: 12px; }
  .product-actions { flex-direction: column; gap: 6px; }
  .product-actions .btn { width: 100%; justify-content: center; }
}

/* Mobile Pricing */
@media (max-width: 768px) {
  .pricing { padding: 20px 0 30px; }
  .pricing-grid { grid-template-columns: 1fr; gap: 12px; }
  .price-card { padding: 16px; }
  .price-card .price { font-size: 24px; }
}

/* Mobile FAQ */
@media (max-width: 768px) {
  .faq { padding: 15px 0 40px; }
  .faq details { padding: 10px 12px; }
}

/* Mobile Checkout */
@media (max-width: 768px) {
  .checkout { padding: 20px 0 40px; }
  .checkout-grid { grid-template-columns: 1fr; gap: 16px; }
  .cart-table { font-size: 14px; }
  .cart-table th, .cart-table td { padding: 8px 6px; }
  .checkout-form .field { margin-bottom: 10px; }
  .checkout-form input { padding: 12px; font-size: 16px; }
  .btn { padding: 14px 16px; font-size: 16px; }
}

/* Mobile Footer */
@media (max-width: 768px) {
  .site-footer { padding: 20px 0 30px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .subscribe { flex-direction: column; gap: 8px; }
  .subscribe input { min-width: 100%; max-width: 280px; }
}

/* Small Mobile (320px and up) */
@media (max-width: 480px) {
  .container { width: 95%; }
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 15px; }
  .section-head h2 { font-size: 24px; }
  .product-card { margin: 0; }
  .price-card .price { font-size: 22px; }
  .cart-table { font-size: 12px; }
  .cart-table th, .cart-table td { padding: 6px 4px; }
}

/* Touch-friendly buttons */
@media (max-width: 768px) {
  .btn { min-height: 44px; }
  .product-actions .btn { min-height: 40px; }
  .cart-table button { min-height: 36px; padding: 6px 12px; }
}

/* Responsive */
@media (max-width: 900px) {
  .checkout-grid { grid-template-columns: 1fr; }
}