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

body {
  font-family: Arial, sans-serif;
  background: #111;
  color: white;
}

.header {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(rgba(0,0,0,.6), rgba(0,0,0,.6)),
    url('../documents/photo_2026-04-07_17-53-59.jpg') center/cover;
}

.header h1 {
  font-size: 52px;
  margin-bottom: 10px;
}

.header p {
  color: #ddd;
}

.files {
  max-width: 700px;
  margin: 50px auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0 20px;
}

.file-card {
  display: block;
  background: #036C56;
  padding: 25px;
  border-radius: 16px;
  text-decoration: none;
  color: white;
  font-size: 20px;
  transition: .3s;
  border: 1px solid rgba(255,255,255,.08);
}

.back-btn {
  display: inline-block;
  margin: 30px;
  color: white;
  text-decoration: none;
  font-size: 18px;
}

.back-btn:hover {
  color: #f5b041;
}

.file-card:hover {
  border-color: #f5b041;
  transform: translateY(-3px);
}