/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 6rem 1.5rem 4rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(124,58,237,.35) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 80% 80%, rgba(245,158,11,.15) 0%, transparent 50%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(124,58,237,.15); border: 1px solid rgba(124,58,237,.3);
  color: var(--violet-lt); padding: .35rem 1rem; border-radius: 999px;
  font-size: .8rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900; line-height: 1.1; max-width: 800px;
  letter-spacing: -.02em;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--violet-lt) 30%, var(--amber));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p {
  margin-top: 1.5rem; max-width: 560px;
  color: var(--text-soft); font-size: 1.15rem; line-height: 1.7;
}
.hero-cta {
  margin-top: 2.5rem;
  display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
}

/* ── DEMO GRID ── */
.demo-wrap {
  margin-top: 4rem; position: relative;
  display: flex; justify-content: center;
  max-width: 620px;
}
.demo-glow {
  position: absolute; inset: -40px;
  background: radial-gradient(ellipse at center, rgba(124,58,237,.25), transparent 70%);
  pointer-events: none;
}

/* ── SECTION ── */
section { padding: 6rem 1.5rem; }
.container { max-width: 1100px; margin: 0 auto; }
.section-label {
  display: inline-block;
  font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--violet-lt); margin-bottom: .75rem;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; line-height: 1.2; letter-spacing: -.02em;
}
.section-sub {
  margin-top: .75rem; color: var(--text-soft);
  font-size: 1.05rem; max-width: 540px;
}

/* ── HOW IT WORKS ── */
.how-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem; margin-top: 3.5rem;
}
.how-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 2rem;
  transition: border-color .2s, transform .2s;
}
.how-card:hover { border-color: var(--violet-lt); transform: translateY(-3px); }
.how-num {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--violet-dk), var(--violet));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; margin-bottom: 1.25rem;
  box-shadow: 0 4px 16px rgba(124,58,237,.35);
}
.how-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.how-card p { color: var(--text-soft); font-size: .9rem; line-height: 1.6; }

/* ── USE CASES ── */
.cases-section { background: linear-gradient(180deg, transparent, rgba(30,41,59,.4), transparent); }
.cases-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem; margin-top: 3rem;
}
.case-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.5rem;
  display: flex; flex-direction: column; gap: .5rem;
  transition: border-color .2s, transform .2s;
}
.case-card:hover { border-color: rgba(245,158,11,.4); transform: translateY(-2px); }
.case-icon { font-size: 1.8rem; }
.case-card h4 { font-weight: 700; font-size: .95rem; }
.case-card p { color: var(--text-soft); font-size: .82rem; line-height: 1.5; }

/* ── FEATURES ── */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem; margin-top: 3rem;
}
.feature-item {
  display: flex; gap: 1rem; align-items: flex-start;
}
.feature-icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.feature-icon.v { background: rgba(124,58,237,.2); }
.feature-icon.a { background: rgba(245,158,11,.2); }
.feature-icon.g { background: rgba(16,185,129,.2); }
.feature-item h4 { font-size: .95rem; font-weight: 700; margin-bottom: .25rem; }
.feature-item p { color: var(--text-soft); font-size: .85rem; line-height: 1.5; }

/* ── CTA BAND ── */
.cta-band {
  background: linear-gradient(135deg, var(--violet-dk), var(--violet), #6D28D9);
  border-radius: 24px; padding: 4rem 2rem;
  text-align: center;
  box-shadow: 0 20px 60px rgba(124,58,237,.3);
  margin: 0 auto; max-width: 900px;
}
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 900; letter-spacing: -.02em; }
.cta-band p { color: rgba(255,255,255,.75); margin-top: .75rem; font-size: 1.05rem; }
.cta-band .btn-primary {
  margin-top: 2rem;
  background: #fff; color: var(--violet-dk);
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.cta-band .btn-primary:hover { box-shadow: 0 6px 32px rgba(0,0,0,.4); }

/* ── AD PLACEHOLDER ── */
.ad-banner {
  background: rgba(30,41,59,.5);
  border: 1px dashed rgba(100,116,139,.3);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: .75rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
}
.ad-leaderboard { height: 90px; width: 100%; max-width: 728px; margin: 0 auto; }

/* ── ANIMATIONS ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.demo-wrap .bingo-grid { animation: float 6s ease-in-out infinite; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero > * { animation: fadeUp .6s ease both; }
.hero > *:nth-child(2) { animation-delay: .1s; }
.hero > *:nth-child(3) { animation-delay: .2s; }
.hero > *:nth-child(4) { animation-delay: .3s; }
.hero > *:nth-child(5) { animation-delay: .4s; }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2.2rem; }
}