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

body {
    font-family: 'Open Sans', sans-serif;
    background: #f5f7fb;
    color: #1e293b;
    line-height: 1.5;
}

/* ---- основной контент (длинная страница) ---- */
.main-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem 8rem 1.5rem;
}

.hero {
    background: white;
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    border: 1px solid #e2e8f0;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #1e293b, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid #e2e8f0;
    transition: 0.2s;
}

.card h2 {
  margin-bottom: 15px;
}

.push-btn {
  background: #8b5cf6;
  color: white;
  border: none;
  margin-top: 10px;
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.2s;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.push-btn:hover {
    background: #7c3aed;
    transform: translateY(-1px);
}

.long-text {
    margin-top: 2rem;
}

.long-text p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

hr {
    margin: 2rem 0;
    border-color: #e2e8f0;
}