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

:root {
  --background: #f0f0f0;
  --text-color: #333;
  --wrapper-background: radial-gradient(circle, #ffffff, #e6e6e6);
  --title-color: #333;
  --title-shadow: 0 0 10px #aaa, 0 0 20px #aaa, 0 0 30px #aaa;
  --description-color: #666;
  --number-color: #fff;
  --button-background: linear-gradient(145deg, #00aaff, #0055aa);
  --button-hover-background: linear-gradient(145deg, #00bfff, #0066cc);
  --button-shadow: 0 0 20px #00aaff, 0 5px 15px rgba(0, 0, 0, 0.3);
  --button-hover-shadow: 0 0 30px #00aaff, 0 8px 20px rgba(0, 0, 0, 0.5);
}

[data-theme='dark'] {
  --background: #1a1a1a url('https://www.transparenttextures.com/patterns/subtle-carbon.png');
  --text-color: #fff;
  --wrapper-background: radial-gradient(circle, #2a2a2a, #1a1a1a);
  --title-color: #fff;
  --title-shadow: 0 0 10px #00aaff, 0 0 20px #00aaff, 0 0 30px #00aaff;
  --description-color: #ccc;
  --number-color: #fff;
  --button-background: linear-gradient(145deg, #00aaff, #0055aa);
  --button-hover-background: linear-gradient(145deg, #00bfff, #0066cc);
  --button-shadow: 0 0 20px #00aaff, 0 5px 15px rgba(0, 0, 0, 0.5);
  --button-hover-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Noto Sans KR', sans-serif, 'Orbitron';
  background: var(--background);
  color: var(--text-color);
  transition: background 0.3s ease, color 0.3s ease;
}

.theme-switcher-container {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
}

#theme-switcher {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 20px;
  font-family: 'Noto Sans KR', sans-serif, 'Orbitron';
  font-size: 1rem;
  cursor: pointer;
  background: var(--button-background);
  color: var(--number-color);
  box-shadow: var(--button-shadow);
  transition: all 0.3s ease;
}

#theme-switcher:hover {
  background: var(--button-hover-background);
  box-shadow: var(--button-hover-shadow);
}

.contact-form-section {
  padding: 4rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 2rem auto;
  background: var(--wrapper-background);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: background 0.3s ease;
}

.contact-form-section h2 {
  font-size: 2.5rem;
  color: var(--title-color);
  margin-bottom: 2rem;
  text-shadow: var(--title-shadow);
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: left;
}

.contact-form label {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--background);
  color: var(--text-color);
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
  border-color: #00aaff;
  outline: none;
  box-shadow: 0 0 8px rgba(0, 170, 255, 0.5);
}

.contact-form button[type="submit"] {
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  background: var(--button-background);
  box-shadow: var(--button-shadow);
  transition: all 0.3s ease;
  margin-top: 1rem;
}

.contact-form button[type="submit"]:hover {
  background: var(--button-hover-background);
  box-shadow: var(--button-hover-shadow);
}

.hidden {
  display: none;
}

.contact-section {
  text-align: center;
  padding: 2rem;
}

#toggle-form-button {
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  background: var(--button-background);
  box-shadow: var(--button-shadow);
  transition: all 0.3s ease;
}

#toggle-form-button:hover {
  background: var(--button-hover-background);
  box-shadow: var(--button-hover-shadow);
}
.contact-form-section {
  margin-top: 2rem;
}