/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: #f4f6f9;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

/* Container */
.container {
  background: #fff;
  padding: 40px 30px;
  width: 100%;
  max-width: 500px; /* form tidak terlalu besar */
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

/* Judul */
.container h2 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 22px;
  color: #2c3e50;
}

/* Label */
label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: #444;
}

/* Input & textarea */
input[type="text"],
input[type="email"],
input[type="url"],
textarea {
  width: 100%;               /* sama panjang dengan container */
  padding: 12px 14px;
  margin-bottom: 16px;
  border: 1px solid #dcdcdc;
  border-radius: 8px;
  background: #f3f9f5;
  font-size: 14px;
  outline: none;
  transition: 0.3s;
}

input:focus,
textarea:focus {
  border-color: #2d6a4f;
  box-shadow: 0 0 6px rgba(45, 106, 79, 0.3);
  background: #fff;
}

/* Tombol */
form button {
  width: 100%;
  background: #2e7d32;
  color: #fff;
  padding: 12px;
  border: none;
  border-radius: 6px;
  margin-top: 20px;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}

form button:hover {
  background: #256428;
}