:root {
  --bg: #0b0f14;
  --card: #111826;
  --text: #e6eefc;
  --muted: #a9b6cf;
  --accent: #7c5cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

header {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 15px 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  gap: 10px;
  font-weight: bold;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.logo {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

nav a {
  margin-left: 20px;
  color: var(--muted);
  text-decoration: none;
}

nav a:hover {
  color: white;
}

.hero {
  display: flex;
  gap: 40px;
  padding: 60px 0;
}

.hero-left {
  flex: 1;
}

.hero-left span {
  color: var(--accent);
}

.badge {
  background: rgba(124,92,255,0.2);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
}

.buttons {
  margin-top: 20px;
}

.btn {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  background: #222;
  color: white;
  text-decoration: none;
  margin-right: 10px;
  cursor: pointer;
}

.btn.primary {
  background: var(--accent);
}

.hero-right {
  flex: 1;
}

.card {
  background: var(--card);
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
}

.section {
  padding: 40px 0;
}

.grid {
  display: flex;
  gap: 20px;
}

/* form */
.contact form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 500px;
}

input, textarea {
  padding: 10px;
  border-radius: 6px;
  border: none;

  /* улучшение для темной темы */
  background: #0f1624;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.08);
}

input::placeholder, textarea::placeholder {
  color: rgba(169, 182, 207, 0.7);
}

.success {
  display: none;
  color: #22c55e;
  margin-top: 10px;
}

footer {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 30px 0;
  margin-top: 40px;
  color: var(--muted);
}

/* ====== MOBILE / RESPONSIVE FIXES ====== */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    gap: 20px;
    padding: 40px 0;
  }

  .grid {
    flex-direction: column;
  }

  nav a {
    margin-left: 12px;
  }
}