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

/* Base */
html,
body {
    min-height: 100%;
}

body {
    font-family: Arial, sans-serif;
    background-color: #001558;
    color: #ffffff;
    display: flex;
    flex-direction: column;
}

/* Header */
header img {
    display: block;
    width: 100%;
    height: auto;
}

/* Main */
main {
    flex: 1;
    padding: 40px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Box */
.whatsapp-box {
    max-width: 520px;
    margin: 0 auto;
    padding: 30px 24px;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.title-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 10px;
}

.whatsapp-box h1 {
    font-size: 30px;
}

.whatsapp-box h2 {
    margin-bottom: 28px;
    font-size: 18px;
    font-weight: normal;
    color: #d8e4ff;
}

/* Messages */
.error,
.success {
    display: none;
    width: 100%;
    margin-bottom: 18px;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 15px;
    text-align: center;
}

.error {
    background-color: #c62828;
}

.success {
    background-color: #2e7d32;
}

/* Form */
.form-group {
    margin-bottom: 18px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: bold;
}

select,
input[type="text"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #7f96d6;
    border-radius: 8px;
    background-color: #ffffff;
    color: #001558;
    font-size: 15px;
    outline: none;
}

select:focus,
input:focus {
    border-color: #4da3ff;
    box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.18);
}

/* Button */
.actions {
    margin-top: 24px;
}

button {
    width: 100%;
    padding: 14px 18px;
    border: none;
    border-radius: 8px;
    background-color: #1d61a5;
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background-color: #2878c7;
}

/* Footer */
footer {
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
    display: flex;
    justify-content: center;
}