@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;700&display=swap');

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

html, body {
  height: 100%;
  margin: 0;
  overscroll-behavior: none;  /* убирает белый просвет при "растягивании" */
  background-color: #fff;     /* общий фон страницы */
}

body {
  font-family: "Poppins", sans-serif;
  font-size: 16px;
  line-height: 1.4;
  color: #000;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }

.container {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding-left: clamp(16px, 6vw, 120px);
  padding-right: clamp(16px, 6vw, 120px);
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, #21055E, #3b1a85);
  color: #fff;
  padding: 16px 28px;
  font-weight: 500;
  border: none;
  border-radius: 6px;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.btn:hover {
  background: linear-gradient(225deg, #21055E, #3b1a85);
  box-shadow: 0 4px 15px rgba(33,5,94,0.3);
}