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

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

body {
  font-family: 'Inter', 'Apple SD Gothic Neo', sans-serif;
  font-weight: 400;
  background-color: #f8f9fa;
  color: #333;
  padding-top: 80px; /* 헤더 높이만큼 상단 여백 확보 */
}

nav {
  background: #ffffff;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #eee;
  position: fixed;        /* 상단 고정 */
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;          /* 다른 요소보다 위에 표시 */
}

nav .logo {
  font-size: 22px;
  font-weight: 700;
  color: #6a00ff;
}

nav ul {
  display: flex;
  gap: 20px;
  list-style: none;
}

nav ul li a {
  text-decoration: none;
  color: #333;
  font-size: 16px;
  font-weight: 400;
}

form {
  max-width: 500px;
  margin: 60px auto;
  background: #fff;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

form h2 {
  margin-bottom: 25px;
  font-size: 24px;
  font-weight: 700;
  text-align: center;
}

form input,
form button {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
}

form input:focus {
  outline: none;
  border-color: #6a00ff;
  box-shadow: 0 0 0 2px rgba(106, 0, 255, 0.1);
}

form button {
  background-color: #6a00ff;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

form button:hover {
  background-color: #4d00cc;
}

.section {
  max-width: 900px;
  margin: 40px auto;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  text-align: center;
}

.card img {
  width: 100%;
  border-radius: 6px;
  margin-bottom: 10px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 30px;
}

.table th, .table td {
  border: 1px solid #ddd;
  padding: 12px;
  font-size: 14px;
  text-align: center;
}

.table th {
  background-color: #f1f1f1;
  font-weight: 700;
}

p#pw-message {
  font-size: 14px;
  margin-top: -10px;
  margin-bottom: 15px;
}

/* 모바일 최적화 */
@media screen and (max-width: 768px) {
  nav {
    padding: 15px 20px;
  }
  
  nav .logo {
    font-size: 18px;
  }
  
  nav ul {
    gap: 15px;
  }
  
  nav ul li a {
    font-size: 14px;
  }

  /* 모바일에서 체험단 카드 2개씩 */
  .card-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 14px !important;
    padding: 10px !important;
  }

  .card {
    padding: 12px !important;
  }
  
  .section {
    margin: 20px auto;
    padding: 0 10px;
  }
  
  form {
    margin: 30px 20px;
    padding: 20px;
  }
}