/* БАЗА */
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  background: #f5f7fa;
  color: #222;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

/* HERO */
.hero {
  background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.65)),
              url('https://images.unsplash.com/photo-1504215680853-026ed2a45def?q=80&w=1600') center/cover;
  color: #fff;
  padding: 90px 20px 70px;
  text-align: center;
}

.hero h1 {
  font-size: 36px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 18px;
  opacity: 0.9;
}

/* КНОПКА */
.btn {
  display: inline-block;
  margin-top: 25px;
  padding: 16px 32px;
  background: #2ecc71;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.2s ease;
  box-shadow: 0 8px 20px rgba(46, 204, 113, 0.3);
}

.btn:hover {
  background: #27ae60;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(46, 204, 113, 0.4);
}

/* КАРТОЧКИ В HERO */
.card-box {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);

  padding: 12px 16px;
  border-radius: 12px;

  font-size: 14px;
  color: #fff;

  display: flex;
  align-items: center;
  gap: 10px;

  box-shadow: 0 4px 20px rgba(0,0,0,0.15);

  /* 👇 АНИМАЦИЯ */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card::before {
  content: "✔";
  color: #2ecc71;
  font-weight: bold;
  font-size: 15px;
}

.card:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 8px 25px rgba(0,0,0,0.25);
}

/* СЕКЦИИ */
.section {
  margin-top: 60px;
}

.section h2 {
  text-align: center;
  margin-bottom: 25px;
  font-size: 26px;
}

/* КОЛОНКИ */
.columns {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.col {
  flex: 1;
  min-width: 260px;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
}

.bad {
  border-left: 4px solid #e74c3c;
}

.good {
  border-left: 4px solid #2ecc71;
}

/* ШАГИ */
.steps {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  text-align: center;
}

.step {
  flex: 1;
  min-width: 200px;
  background: #fff;
  padding: 25px 20px;
  border-radius: 12px;
  transition: 0.2s;
}

.step:hover {
  transform: translateY(-3px);
}

.step strong {
  display: inline-block;
  font-size: 22px;
  margin-bottom: 10px;
}

/* ВАЖНО */
.notice {
  background: #eef2f5;
  padding: 18px;
  border-radius: 10px;
  font-size: 14px;
  color: #444;
}

/* ФУТЕР */
.footer {
  text-align: center;
  margin-top: 50px;
  padding: 25px;
  color: #777;
  font-size: 14px;
}

/* 📱 АДАПТИВ */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 26px;
  }

  .hero p {
    font-size: 15px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .card {
    width: 100%;
    justify-content: center;
  }
}