/* Umum */
body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #0d0d0d;
    color: #f0f0f0;
}

header {
  background-color: #121212;
  color: white;
  padding: 0.5rem 2rem;
  border-bottom: 1px solid #333;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo img {
  height: 42px;
}
nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
nav ul li a {
  color: #f5f5f5;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}
nav ul li a:hover {
  color: #2495fe;
}
.contact-button {
  background: #0099ff;
  padding: 0.5rem 1.2rem;
  border-radius: 12px;
  color: white;
  font-weight: bold;
  text-decoration: none;
  transition: background 0.3s;
}
.contact-button:hover {
  background: #00c3ff;
}
/* Container */
.container {
    max-width: 700px;
    margin: 2rem auto;
    padding: 1rem;
}
h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: #e5b8ff;
}

/* Card Bento Glow */
.card.glow {
    background: linear-gradient(145deg, #1f1f1f, #0f0f0f);
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(50, 173, 255, 0.3);
    padding: 2rem;
    transition: box-shadow 0.3s, transform 0.3s;
}
.card.glow:hover {
    box-shadow: 0 0 30px rgba(50, 146, 255, 0.6);
    transform: translateY(-4px);
}

/* Form */
.form-group {
    margin-bottom: 1.5rem;
}
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.6rem;
    background-color: #1a1a1a;
    border: 1px solid #444;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    transition: border 0.3s ease;
}
input:focus,
select:focus,
textarea:focus {
    border-color: #24aefe;
    outline: none;
}

/* Checkbox grid */
.form-group > div {
    padding-left: 0.5rem;
}
input[type="checkbox"] {
    margin-right: 0.5rem;
}

/* Submit Button */
input[type="submit"] {
    background: #24b9fe;
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}
input[type="submit"]:hover {
    background: #4ba8ff;
}

/* Footer */
footer {
    text-align: center;
    padding: 1rem;
    color: #aaa;
    font-size: 0.9rem;
    margin-top: 2rem;
}