@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --surface: #13131a;
  --border: #1e1e2e;
  --text: #e4e4ec;
  --text2: #9393a8;
  --accent: #a78bfa;
  --accent2: #60a5fa;
  --pink: #f472b6;
  --cyan: #22d3ee;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 2rem; max-width: 1200px; margin: 0 auto;
}
.logo { font-weight: 700; font-size: 1.125rem; color: var(--accent); }
.nav-cta {
  color: var(--text2); text-decoration: none; font-size: .875rem;
  padding: .5rem 1rem; border-radius: 8px; border: 1px solid var(--border);
  transition: all .2s;
}
.nav-cta:hover { color: var(--text); border-color: var(--accent); }

/* Hero */
.hero {
  text-align: center; padding: 5rem 2rem 4rem; position: relative;
  max-width: 800px; margin: 0 auto;
}
.hero-glow {
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(167,139,250,.12) 0%, transparent 70%);
  pointer-events: none;
}
h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 800;
  line-height: 1.15; letter-spacing: -.02em; position: relative;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--pink) 50%, var(--accent2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub { color: var(--text2); font-size: 1.15rem; margin: 1.25rem 0 2rem; }
.hero-stats { margin-top: 1.5rem; color: var(--text2); font-size: .875rem; display: flex; gap: .5rem; justify-content: center; align-items: center; }

/* Buttons */
.btn-primary {
  display: inline-block; padding: .85rem 2rem; border-radius: 12px;
  font-weight: 600; font-size: 1rem; text-decoration: none; cursor: pointer;
  background: linear-gradient(135deg, var(--accent) 0%, var(--pink) 100%);
  color: #fff; border: none; transition: all .3s; position: relative; z-index: 1;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(167,139,250,.35); }

/* Showcase */
.showcase { max-width: 1200px; margin: 0 auto; padding: 2rem 2rem 4rem; }
.showcase h2 {
  font-size: 1.5rem; font-weight: 700; margin: 3rem 0 1.5rem;
  padding-bottom: .5rem; border-bottom: 1px solid var(--border);
}
.demo-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.demo-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 2rem; display: flex; align-items: center; justify-content: center;
  min-height: 140px; position: relative; overflow: hidden; transition: all .25s;
}
.demo-item:hover { border-color: #2d2d42; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.3); }
.demo-label {
  position: absolute; bottom: .5rem; right: .75rem;
  font-size: .65rem; color: var(--text2); text-transform: uppercase; letter-spacing: .05em;
}

/* Freebies */
.freebies { max-width: 1200px; margin: 0 auto; padding: 2rem 2rem 4rem; text-align: center; }
.freebies h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: .5rem; }
.freebies p { color: var(--text2); margin-bottom: 2rem; }
.free-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.25rem; }
.free-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.5rem;
}
.free-card .preview { min-height: 100px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; border-radius: 10px; background: rgba(0,0,0,.2); }
.free-card code {
  display: block; background: #0d0d14; padding: .75rem 1rem; border-radius: 8px;
  font-size: .75rem; color: var(--accent); overflow-x: auto; white-space: pre;
  border: 1px solid var(--border);
}

/* Pricing */
.pricing { padding: 4rem 2rem; display: flex; justify-content: center; }
.price-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px;
  padding: 3rem 2.5rem; text-align: center; max-width: 420px; width: 100%;
  position: relative; overflow: hidden;
}
.price-glow {
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 200px; height: 120px;
  background: radial-gradient(circle, rgba(167,139,250,.15) 0%, transparent 70%);
  pointer-events: none;
}
.price-tag { display: block; font-size: 3.5rem; font-weight: 800; color: var(--accent); position: relative; }
.price-label { display: block; color: var(--text2); font-size: .875rem; margin-bottom: 1.5rem; }
.price-card ul { list-style: none; text-align: left; margin-bottom: 2rem; }
.price-card li { padding: .4rem 0; font-size: .95rem; }
.price-card li::before { content: '✓ '; color: var(--accent); font-weight: 700; }

/* Payment */
.pay-section { margin-top: 1rem; }
.pay-title { font-weight: 600; font-size: .9rem; margin-bottom: .25rem; }
.pay-hint { color: var(--text2); font-size: .75rem; margin-bottom: 1rem; }
.pay-box { display: flex; gap: 1rem; align-items: center; justify-content: center; flex-wrap: wrap; margin-bottom: .75rem; }
.qr-code { width: 140px; height: 140px; border-radius: 12px; border: 2px solid var(--border); }
.pay-addr { display: flex; flex-direction: column; gap: .5rem; align-items: center; }
.addr-label { font-size: .75rem; color: var(--text2); }
.pay-addr code {
  background: #0d0d14; padding: .5rem .75rem; border-radius: 8px;
  font-size: .7rem; color: var(--accent); word-break: break-all; max-width: 260px;
  border: 1px solid var(--border); text-align: center;
}
.btn-copy {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  padding: .4rem 1rem; border-radius: 8px; font-size: .8rem; cursor: pointer; transition: all .2s;
}
.btn-copy:hover { border-color: var(--accent); color: var(--accent); }
.pay-amount { font-size: .85rem; color: var(--text2); margin-top: .5rem; }
.honor-note { color: var(--text2); font-size: .75rem; margin-top: .75rem; opacity: .7; }

/* Footer */
footer { text-align: center; padding: 4rem 2rem; color: var(--text2); }
.footer-small { font-size: .8rem; margin-top: .5rem; opacity: .6; }

/* Responsive */
@media (max-width: 640px) {
  .hero { padding: 3rem 1.25rem; }
  .demo-grid { grid-template-columns: 1fr; }
}