body {
  background-color: #f9f9f9;
  color: #202020;
}

.nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 30px;
  font-size: 24px;
}

.hero, .intro, .form-offer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 80px 5%;
  flex-wrap: wrap;
  gap: 40px;
}

.hero .text, .intro .text, .form-offer .form {
  flex: 1 1 400px;
}

.hero .image img,
.intro .image img,
.form-offer .image img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

button {
  padding: 14px 22px;
  font-weight: 600;
  border-radius: 8px;
  background-color: #000;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: 0.3s ease;
}

button:hover {
  opacity: 0.8;
}

.benefits {
  padding: 80px 5%;
  text-align: center;
}

.benefits .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.benefits .item {
  font-size: 14px;
  color: #202020;
}

.benefits img {
  width: 40px;
  margin-bottom: 10px;
}

.form-offer {
  background: transparent;
}

.form-offer .form {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  max-width: 420px;
  width: 100%;
}

.form-offer input[type="email"] {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #000;
  background: none;
  color: #202020;
  margin-bottom: 10px;
}

.form-offer .price {
  font-weight: 600;
}

.form-offer .old {
  text-decoration: line-through;
  color: #999;
  margin-left: 10px;
}

#timer {
  font-family: monospace;
  font-size: 18px;
  margin: 10px 0;
}

.form-offer label {
  display: block;
  font-size: 13px;
  margin: 8px 0;
}

.topics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  padding: 80px 5%;
}

.topics .topic {
  font-weight: 600;
  font-size: 15px;
}

footer {
  background: #000;
  color: #fff;
  padding: 40px 5%;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  font-size: 13px;
}

footer a {
  color: #fff;
  text-decoration: underline;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}