:root {
  --primary-color: #7b4e58; /* Warna Utama */
  --text-light: #f9f4f4;
  --text-dark: #333;
  --background-light: #fff;
  --font-serif: "Times New Roman", serif;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--background-light);
  color: var(--text-dark);
}

/* --- BAGIAN COVER --- */
.cover-section {
  position: relative;
  width: 100%;
  height: 100vh; /* Penuh layar */
  background: url("https://barokah.daria.my.id/img/undangan.jpg") center/cover no-repeat; /* Ganti dengan gambar Anda */
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.cover-content {
  background-color: rgba(0, 0, 0, 0.4); /* Overlay gelap agar teks terbaca */
  color: var(--text-light);
  padding: 30px 40px;
  border-radius: 10px;
  max-width: 90%;
}

.cover-content h1 {
  font-family: var(--font-serif);
  font-size: 3em;
  margin-bottom: 5px;
}

.cover-content h2 {
  font-size: 1.5em;
  margin-top: 5px;
}

.cover-content .date {
  font-size: 1.2em;
  margin: 20px 0;
  border-top: 1px solid var(--text-light);
  border-bottom: 1px solid var(--text-light);
  padding: 10px 0;
}

#open-invitation {
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  padding: 10px 20px;
  font-size: 1em;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s;
}

#open-invitation:hover {
  background-color: #a06674;
}

/* --- KONTEN UTAMA --- */
#main-content {
  padding: 40px 20px;
  max-width: 800px;
  margin: 0 auto;
}

.hidden {
  display: none;
}

.info-section,
.rsvp-section {
  margin-bottom: 40px;
  padding: 20px;
  border: 1px solid #eee;
  border-radius: 8px;
}

h3 {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 10px;
  margin-top: 0;
}

/* --- FORM RSVP --- */
.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box; /* Agar padding tidak menambah lebar */
}

.rsvp-section button[type="submit"] {
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  padding: 12px 25px;
  font-size: 1em;
  cursor: pointer;
  border-radius: 5px;
  width: 100%;
  transition: background-color 0.3s;
}

.rsvp-section button[type="submit"]:hover {
  background-color: #a06674;
}

.footer {
  text-align: center;
  padding: 20px 0;
  color: #888;
  font-size: 0.8em;
}