* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f8fb;
    color: #1f2937;
}

.page {
    max-width: 1180px;
    margin: auto;
    padding: 50px 20px;
}

.hero {
    text-align: center;
    margin-bottom: 45px;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
    color: #0f4c81;
}

.hero p {
    max-width: 760px;
    margin: auto;
    font-size: 18px;
    line-height: 1.7;
}

.auth-box {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 35px;
    align-items: start;
}

.card {
    background: #ffffff;
    padding: 32px;
    border-radius: 18px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.08);
}

.card h2 {
    margin-top: 0;
    color: #0f4c81;
}

label {
    display: block;
    margin-top: 16px;
    margin-bottom: 6px;
    font-weight: bold;
}

input,
textarea {
    width: 100%;
    padding: 13px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font-size: 15px;
}

textarea {
    min-height: 90px;
}

button {
    margin-top: 22px;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    background: #0f4c81;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #09395f;
}

.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 25px;
}

.alert.error {
    background: #fee2e2;
    color: #991b1b;
}

.alert.success {
    background: #dcfce7;
    color: #166534;
}

@media (max-width: 850px) {
    .auth-box {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 32px;
    }
}