:root {
  --bg: #0b1020;
  --panel: rgba(255,255,255,0.08);
  --panel-strong: #121931;
  --text: #e9edf8;
  --muted: #a8b3cf;
  --primary: #7c5cff;
  --secondary: #25d0c6;
  --line: rgba(255,255,255,0.1);
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(3, 8, 20, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124,92,255,0.28), transparent 30%),
    radial-gradient(circle at top right, rgba(37,208,198,0.18), transparent 28%),
    linear-gradient(180deg, #0a1022 0%, #0c1327 45%, #09101e 100%);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.narrow { max-width: 780px; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(16px);
  background: rgba(10,16,34,0.75);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 78px; gap: 1rem;
}
.logo { font-weight: 800; letter-spacing: -0.03em; font-size: 1.05rem; }
.logo span { color: var(--secondary); }
.nav { display: flex; align-items: center; gap: 1rem; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a.active, .nav a:hover { color: var(--white); }
.menu-toggle {
  display: none; border: 1px solid var(--line); background: transparent; color: var(--white);
  border-radius: 12px; padding: 0.55rem 0.8rem; font-size: 1.1rem;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 14px; padding: 0.95rem 1.25rem;
  background: linear-gradient(135deg, var(--primary), #956bff);
  color: var(--white); font-weight: 700; box-shadow: var(--shadow);
  border: 0;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 0.7rem 1rem; }
.btn-ghost {
  background: transparent; border: 1px solid rgba(255,255,255,0.18); box-shadow: none;
}
.hero, .page-hero { padding: 6rem 0 4rem; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2rem; align-items: center;
}
.eyebrow {
  color: var(--secondary); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 800;
}
h1, h2, h3, h4 { letter-spacing: -0.03em; margin: 0 0 1rem; }
h1 { font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 0.95; }
h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
h3 { font-size: 1.25rem; }
p { color: var(--muted); line-height: 1.7; margin: 0 0 1rem; }
.lead { font-size: 1.08rem; max-width: 62ch; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1.6rem 0; }
.hero-points, .check-list {
  list-style: none; padding: 0; margin: 1.5rem 0 0;
  display: grid; gap: 0.8rem;
}
.hero-points li, .check-list li {
  padding: 0.75rem 0.95rem; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(255,255,255,0.04);
}
.glass, .card {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-card { padding: 1.5rem; }
.meter-row, .audio-header {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.meter-row span, .audio-header span { color: var(--muted); }
.waveform {
  height: 130px; display: flex; align-items: end; gap: 0.5rem; margin: 1.5rem 0;
}
.waveform span {
  flex: 1; border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, var(--secondary), var(--primary));
  animation: pulse 1.4s infinite ease-in-out;
}
.waveform span:nth-child(odd) { animation-duration: 1.1s; }
.waveform span:nth-child(3n) { animation-duration: 1.8s; }
.waveform span:nth-child(1) { height: 35%; }
.waveform span:nth-child(2) { height: 72%; }
.waveform span:nth-child(3) { height: 48%; }
.waveform span:nth-child(4) { height: 88%; }
.waveform span:nth-child(5) { height: 54%; }
.waveform span:nth-child(6) { height: 74%; }
.waveform span:nth-child(7) { height: 42%; }
.waveform span:nth-child(8) { height: 94%; }
.waveform span:nth-child(9) { height: 58%; }
.waveform span:nth-child(10) { height: 66%; }
.stat-grid, .cards, .footer-grid, .testimonials-grid {
  display: grid; gap: 1.2rem;
}
.stat-grid { grid-template-columns: repeat(2, 1fr); }
.stat-grid article, .accent-card {
  padding: 1rem; border-radius: 18px; background: rgba(255,255,255,0.04); border: 1px solid var(--line);
}
.stat-grid strong { display: block; font-size: 1.4rem; color: var(--white); }
.section { padding: 4.5rem 0; }
.section-dark { background: rgba(0,0,0,0.14); border-block: 1px solid var(--line); }
.section-head { margin-bottom: 1.8rem; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card { padding: 1.5rem; }
.lg-card { min-height: 100%; }
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start;
}
.timeline { display: grid; gap: 0.9rem; }
.timeline div {
  display: flex; gap: 1rem; align-items: center; padding: 1rem 1.1rem;
  background: rgba(255,255,255,0.05); border-radius: 18px; border: 1px solid var(--line);
}
.timeline strong {
  width: 52px; height: 52px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 16px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: var(--white);
}
.testimonials-grid { grid-template-columns: 1fr 1fr 1fr; align-items: start; }
.accent-card { background: linear-gradient(180deg, rgba(124,92,255,0.16), rgba(37,208,198,0.08)); }
.cta-band {
  background: linear-gradient(135deg, rgba(124,92,255,0.18), rgba(37,208,198,0.12));
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cta-wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.site-footer {
  padding: 2.5rem 0 3rem; border-top: 1px solid var(--line); background: rgba(5, 9, 18, 0.5);
}
.footer-grid { grid-template-columns: 1.3fr 0.8fr 0.9fr; }
.footer-grid h4 { margin-bottom: 0.8rem; }
.footer-grid a, .footer-grid p { display: block; margin-bottom: 0.55rem; }
.page-main { min-height: calc(100vh - 160px); }
.feature-panel { min-height: 100%; }
.chips { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.chips span {
  padding: 0.65rem 0.95rem; border-radius: 999px; background: rgba(255,255,255,0.07); border: 1px solid var(--line); color: var(--white);
}
.contact-form { display: grid; gap: 1rem; }
.contact-form label { display: grid; gap: 0.45rem; color: var(--white); font-weight: 600; }
input, select, textarea {
  width: 100%; padding: 0.95rem 1rem; border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.13); background: rgba(255,255,255,0.05); color: var(--white);
  font: inherit;
}
input::placeholder, textarea::placeholder { color: #95a0bf; }
audio { width: 100%; margin-top: 0.8rem; }
.audio-card small { color: #93a1c6; display: inline-block; margin-top: 0.65rem; }

@keyframes pulse {
  0%, 100% { transform: scaleY(0.75); opacity: 0.7; }
  50% { transform: scaleY(1.02); opacity: 1; }
}

@media (max-width: 920px) {
  .hero-grid, .split, .cards.three, .cards.two, .footer-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .nav {
    position: absolute; inset: 78px 1rem auto 1rem; flex-direction: column; align-items: stretch;
    background: rgba(10,16,34,0.98); border: 1px solid var(--line); border-radius: 18px; padding: 1rem; display: none;
  }
  .nav.open { display: flex; }
  .menu-toggle { display: inline-flex; }
  .cta-wrap { flex-direction: column; align-items: flex-start; }
}