:root {
  --bg: #0a0a0a;
  --bg-card: #151515;
  --text: #f0f0f0;
  --text-muted: #b0b0b0;
  --accent: #3a86ff;
  --gradient: linear-gradient(135deg, #3a86ff, #8338ec);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --transition: all 300ms ease;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 29px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(58, 134, 255, 0.35);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

/* Утилиты */
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hidden {
  display: none !important;
}

/* Анимации */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 500ms ease forwards;
}