:root {
  --bg: #0a0a12;
  --bg2: #11111c;
  --accent: #7c5cff;
  --accent2: #00e0c6;
  --text: #f1f1fb;
  --muted: #9a9ab0;
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.bg-glow {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(124,92,255,0.25), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0,224,198,0.2), transparent 40%);
  z-index: -1;
  animation: float 12s ease-in-out infinite alternate;
}

@keyframes float {
  from { transform: translateY(0) scale(1); }
  to { transform: translateY(-30px) scale(1.05); }
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 8%;
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(10,10,18,0.6);
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 30px;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover { color: var(--text); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  text-align: center;
  padding: 140px 8% 100px;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
}

.hero-title span {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  color: var(--muted);
  margin-top: 20px;
  font-size: 1.1rem;
}

.cta-btn {
  margin-top: 40px;
  padding: 14px 36px;
  border: none;
  border-radius: 30px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #08080d;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(124,92,255,0.4);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  padding: 0 8% 100px;
}

.card {
  background: var(--bg2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  transition: transform 0.4s, border-color 0.4s;
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
}

.icon { font-size: 2.2rem; margin-bottom: 16px; }

.card h3 { margin-bottom: 10px; }

.card p { color: var(--muted); font-size: 0.95rem; }

.about, .contact {
  padding: 80px 8%;
  text-align: center;
}

.about h2, .contact h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.about p, .contact > p {
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto;
}

#contactForm {
  max-width: 480px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#contactForm input,
#contactForm textarea {
  background: var(--bg2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 14px;
  color: var(--text);
  font-family: inherit;
  resize: none;
}

#contactForm input:focus,
#contactForm textarea:focus {
  outline: none;
  border-color: var(--accent);
}

#contactForm button {
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #08080d;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.3s;
}

#contactForm button:hover { opacity: 0.85; }

.form-msg {
  margin-top: 16px;
  color: var(--accent2);
  font-weight: 600;
  min-height: 20px;
}

footer {
  text-align: center;
  padding: 30px;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.9rem;
}

.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #08080d;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 768px) {
  nav { display: none; }
  .menu-toggle { display: block; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    right: 8%;
    background: var(--bg2);
    padding: 20px;
    border-radius: 12px;
    gap: 14px;
  }
}

#gate {
  position: fixed;
  inset: 0;
  background: black;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999999;
  color: white;
}

.gate-box {
  text-align: center;
  padding: 30px;
  border: 1px solid #333;
  border-radius: 12px;
  background: #111;
}