:root {
    --bg: #0b0b10;
    --surface: #15151d;
    --surface-2: #1d1d28;
    --text: #f8f8fb;
    --muted: #b7b7c5;
    --line: #2d2d3b;
    --accent: #fe2c55;
    --accent-2: #25f4ee;
    --danger: #ff6b6b;
    --radius: 22px;
    --shadow: 0 24px 70px rgba(0,0,0,.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
}
a { color: inherit; }
.container { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(11,11,16,.82);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,.07);
}
.nav-wrap { display: flex; justify-content: space-between; align-items: center; min-height: 76px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; }
.brand small { color: var(--muted); font-weight: 600; }
.brand-mark {
    display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px;
    background: linear-gradient(135deg, var(--accent-2), var(--accent));
    color: #08080c; font-weight: 900;
}
.main-nav { display: flex; align-items: center; gap: 22px; }
.main-nav a { text-decoration: none; color: var(--muted); }
.main-nav a:hover { color: var(--text); }
.button {
    display: inline-flex; justify-content: center; align-items: center; gap: 8px;
    min-height: 48px; padding: 0 22px; border-radius: 14px; border: 1px solid transparent;
    font-weight: 800; text-decoration: none; cursor: pointer; font: inherit;
}
.button.small { min-height: 40px; padding-inline: 16px; background: var(--surface-2); color: var(--text); }
.button.primary { background: var(--accent); color: white; box-shadow: 0 12px 30px rgba(254,44,85,.28); }
.button.secondary { background: transparent; border-color: var(--line); color: var(--text); }
.button.ghost { background: transparent; color: var(--muted); }
.button.full { width: 100%; }
.button:disabled { opacity: .48; cursor: not-allowed; }
.hero { padding: 96px 0 76px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
.eyebrow { display: inline-block; color: var(--accent-2); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; }
h1, h2, h3 { line-height: 1.12; margin-top: 0; }
h1 { font-size: clamp(2.7rem, 7vw, 5.6rem); letter-spacing: -.055em; margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.035em; }
h3 { font-size: 1.25rem; }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 670px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 18px; }
.microcopy { font-size: .86rem; color: var(--muted); }
.demo-card {
    position: relative; padding: 30px; border-radius: 30px; background:
    radial-gradient(circle at 90% 10%, rgba(37,244,238,.16), transparent 34%),
    radial-gradient(circle at 10% 90%, rgba(254,44,85,.17), transparent 36%),
    var(--surface);
    border: 1px solid var(--line); box-shadow: var(--shadow);
}
.live-row { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.live-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 7px rgba(254,44,85,.14); }
.comment { display: flex; gap: 14px; padding: 18px; border-radius: 18px; background: rgba(255,255,255,.05); }
.comment p { margin: 4px 0 0; color: var(--muted); }
.avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-2); color: #07100f; font-weight: 900; flex: 0 0 auto; }
.speech-wave { height: 72px; display: flex; align-items: center; justify-content: center; gap: 7px; margin: 20px 0 8px; }
.speech-wave span { width: 7px; border-radius: 99px; background: linear-gradient(var(--accent-2), var(--accent)); animation: wave 1s ease-in-out infinite alternate; }
.speech-wave span:nth-child(1), .speech-wave span:nth-child(9) { height: 16px; }
.speech-wave span:nth-child(2), .speech-wave span:nth-child(8) { height: 30px; animation-delay: .15s; }
.speech-wave span:nth-child(3), .speech-wave span:nth-child(7) { height: 48px; animation-delay: .3s; }
.speech-wave span:nth-child(4), .speech-wave span:nth-child(6) { height: 62px; animation-delay: .45s; }
.speech-wave span:nth-child(5) { height: 38px; animation-delay: .6s; }
@keyframes wave { to { transform: scaleY(.55); opacity: .72; } }
.spoken { text-align: center; color: var(--muted); font-style: italic; }
.section { padding: 88px 0; }
.section.soft { background: var(--surface); border-block: 1px solid var(--line); }
.section-heading { margin-bottom: 34px; }
.cards { display: grid; gap: 22px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card, .panel {
    padding: 26px; background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius);
}
.card p, .split p { color: var(--muted); }
.step { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 32px; border-radius: 12px; background: var(--surface-2); color: var(--accent-2); font-weight: 900; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 13px; }
.feature-list li { padding: 16px 18px; background: var(--surface-2); border-radius: 14px; border: 1px solid var(--line); }
.feature-list li::before { content: "✓"; color: var(--accent-2); font-weight: 900; margin-right: 12px; }
.cta { text-align: center; padding: 54px; border-radius: 30px; background: linear-gradient(135deg, rgba(37,244,238,.1), rgba(254,44,85,.14)); border: 1px solid var(--line); }
.site-footer { padding: 44px 0 30px; border-top: 1px solid var(--line); background: #08080c; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; }
.footer-grid div:last-child { display: grid; gap: 8px; }
.legal-note { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .82rem; }
.legal-page { padding: 70px 0 100px; }
.legal-content { max-width: 820px; }
.legal-content h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); margin-top: 14px; }
.legal-content h2 { font-size: 1.45rem; margin-top: 42px; }
.legal-content p, .legal-content li { color: #d4d4df; }
.dashboard-page { padding: 60px 0 90px; }
.dashboard-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 30px; }
.dashboard-header h1 { font-size: clamp(2.5rem, 6vw, 4.3rem); margin: 8px 0 14px; }
.dashboard-header p { color: var(--muted); }
.dashboard-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.panel h2 { font-size: 1.45rem; }
label { display: block; margin: 18px 0 8px; font-weight: 750; }
input, select {
    width: 100%; min-height: 48px; padding: 0 14px; border-radius: 12px;
    border: 1px solid var(--line); background: var(--surface-2); color: var(--text); font: inherit;
}
input[type="range"] { padding: 0; }
.input-group { display: flex; align-items: center; background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.input-group span { padding-left: 14px; color: var(--muted); }
.input-group input { border: 0; }
.status-line { display: flex; align-items: center; gap: 9px; margin: 18px 0; color: var(--muted); }
.status-dot { width: 10px; height: 10px; border-radius: 50%; }
.status-dot.off { background: #6b6b78; }
.check { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--muted); }
.check input { width: 18px; min-height: 18px; }
.comments-panel { margin-top: 22px; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; }
.empty-state { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty-state span { font-size: 3rem; }
.center-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.status-card { max-width: 560px; padding: 34px; border-radius: 24px; background: var(--surface); border: 1px solid var(--line); }
.status-card.error { border-color: rgba(255,107,107,.45); }

@media (max-width: 820px) {
    .main-nav > a:not(.button) { display: none; }
    .hero-grid, .split, .dashboard-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 64px; }
    .cards.three { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .dashboard-header { flex-direction: column; }
}