:root {
  --bg: #06080d;
  --bg-elevated: #0d1119;
  --bg-card: #10151f;
  --border: #1e2636;
  --border-bright: #2c3852;
  --text: #eaf0fb;
  --text-muted: #8792a8;
  --text-dim: #5c6579;
  --cyan: #38d9f0;
  --cyan-dim: #1c9fb5;
  --cyan-glow: rgba(56, 217, 240, 0.18);
  --purple: #b18bff;
  --accent: #ff5470;
  --green: #45e0a0;
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body {
  position: relative;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 70% 55% at 50% -10%, rgba(56,217,240,0.1), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(177,139,255,0.07), transparent 55%),
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(255,84,112,0.05), transparent 55%);
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(56,217,240,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,217,240,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}
a { color: var(--cyan); text-decoration: none; }
button { font: inherit; cursor: pointer; }
.container { width: min(1180px, 100% - 2.5rem); margin: 0 auto; position: relative; z-index: 1; }

.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(6,8,13,0.72);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 0.65rem; font-weight: 700; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--cyan-dim), var(--cyan));
  color: #04121a; font-weight: 900; font-size: 0.95rem; box-shadow: 0 0 18px var(--cyan-glow);
}
.brand small { display: block; font-size: 0.7rem; font-weight: 500; color: var(--text-dim); letter-spacing: 0.14em; text-transform: uppercase; }
.nav-link {
  font-size: 0.85rem; font-weight: 600; color: var(--text-muted);
  padding: 0.4rem 0.9rem; border-radius: 999px; border: 1px solid var(--border);
  transition: all 0.15s ease;
}
.nav-link:hover { color: var(--cyan); border-color: var(--cyan); text-decoration: none; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.3rem 0.85rem; border-radius: 999px;
  background: var(--cyan-glow); color: var(--cyan);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 1.5rem; border: 1px solid rgba(56,217,240,0.25);
}
.lp-hero { padding: 5.5rem 0 3.5rem; text-align: center; }
.lp-hero .hero-badge { margin-left: auto; margin-right: auto; }
.lp-title {
  font-size: clamp(2.8rem, 8vw, 5.5rem); font-weight: 900; letter-spacing: -0.035em;
  line-height: 1.0; margin-bottom: 1.25rem;
  background: linear-gradient(180deg, #fff 25%, #9fb2cf 125%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lp-title .accent {
  background: linear-gradient(120deg, var(--cyan), var(--purple));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lp-sub { color: var(--text-muted); font-size: clamp(1.05rem, 2.2vw, 1.3rem); max-width: 620px; margin: 0 auto 2.5rem; }

.signup { max-width: 520px; margin: 0 auto 1.75rem; }
.wave-toggle {
  display: inline-flex; gap: 0.25rem; padding: 0.25rem;
  border: 1px solid var(--border); border-radius: 999px; background: var(--bg-card); margin-bottom: 0.9rem;
}
.wave-btn {
  padding: 0.35rem 1.1rem; border: none; border-radius: 999px; background: transparent;
  color: var(--text-muted); font-size: 0.85rem; font-weight: 600; transition: all 0.15s ease;
}
.wave-btn.active { background: var(--cyan-glow); color: var(--cyan); }
.signup-row { display: flex; gap: 0.5rem; }
.signup-row input {
  flex: 1; padding: 0.85rem 1.1rem; border-radius: var(--radius);
  border: 1px solid var(--border-bright); background: var(--bg-card); color: var(--text);
  font-size: 0.95rem; outline: none; transition: border-color 0.15s ease;
}
.signup-row input:focus { border-color: var(--cyan); }
.signup-btn {
  padding: 0.85rem 1.4rem; border-radius: var(--radius); border: none;
  background: linear-gradient(120deg, var(--cyan-dim), var(--cyan));
  color: #04121a; font-weight: 700; font-size: 0.95rem; white-space: nowrap;
  box-shadow: 0 0 22px var(--cyan-glow); transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.signup-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 0 30px var(--cyan-glow); }
.signup-btn:disabled { opacity: 0.6; cursor: default; }
.signup-msg { margin-top: 0.7rem; font-size: 0.9rem; font-weight: 600; min-height: 1.2em; }
.signup-msg.ok { color: var(--green); }
.signup-msg.err { color: var(--accent); }
.signup-fine { margin-top: 0.6rem; font-size: 0.78rem; color: var(--text-dim); }

.roadmap-teaser {
  display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--text-muted);
  padding: 0.5rem 1rem; border-radius: 999px; border: 1px solid var(--border); background: var(--bg-card);
}
.roadmap-teaser:hover { border-color: var(--border-bright); text-decoration: none; color: var(--text); }
.roadmap-teaser strong { color: var(--cyan); font-weight: 700; }
.teaser-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(69,224,160,0.5); }
  70% { box-shadow: 0 0 0 7px rgba(69,224,160,0); }
  100% { box-shadow: 0 0 0 0 rgba(69,224,160,0); }
}

.lp-features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.15rem; padding: 2rem 0 3rem;
}
.lp-feature {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem 1.5rem; transition: transform 0.18s ease, border-color 0.18s ease;
}
.lp-feature:hover { transform: translateY(-3px); border-color: var(--border-bright); }
.lp-feature-ico { font-size: 1.9rem; margin-bottom: 0.7rem; }
.lp-feature h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.45rem; }
.lp-feature p { color: var(--text-muted); font-size: 0.9rem; }

.lp-cta {
  text-align: center; padding: 3rem 1.5rem 4rem; margin: 1rem 0 3rem;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
}
.lp-cta h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 0.6rem; letter-spacing: -0.02em; }
.lp-cta p { color: var(--text-muted); max-width: 460px; margin: 0 auto 1.25rem; }

.footer { border-top: 1px solid var(--border); padding: 2rem 0; color: var(--text-dim); font-size: 0.82rem; position: relative; z-index: 1; }
.footer .container { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }

@media (max-width: 600px) {
  .signup-row { flex-direction: column; }
  .lp-hero { padding: 3.5rem 0 2.5rem; }
}