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

:root {
  --bg-color: #f8f9fa;
  --card-bg: #ffffff;
  --primary-color: #1DB954;
  --text-color: #333;
  --input-border: #ddd;
  --input-focus: #1DB954;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: 'Noto Sans KR', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
}

.container {
  max-width: 500px;
  width: 100%;
}

.contact-card {
  background-color: var(--card-bg);
  padding: 3rem 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

p {
  color: #666;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}

form {
  text-align: left;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #444;
}

input, textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--input-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
}

.submit-btn {
  width: 100%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 1.1rem;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.3s;
  margin-top: 1rem;
}

.submit-btn:hover {
  background-color: #1aa34a;
  transform: translateY(-2px);
}

.submit-btn:active {
  transform: translateY(0);
}

.footer {
  margin-top: 2rem;
  border-top: 1px solid #eee;
  padding-top: 1.5rem;
}

.footer a {
  text-decoration: none;
  color: #999;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer a:hover {
  color: var(--text-color);
}

@media (max-width: 480px) {
  .contact-card {
    padding: 2rem 1.5rem;
  }
}