:root {
    --primary-blue: rgb(17, 84, 189);
    --primary-blue-dark: rgb(14, 70, 158);
    --secondary-text: #6b7280;
    --bg-light: #f7f9fb;
    --max-width: 1280px;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: #1f2937;
}

main {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
}

/*REGISTER CARD SECTION*/

.register-card {
    background-color: white;
    padding: 2.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 45rem;
    border-top: 5px solid rgb(17, 84, 189);
}

.header-form {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-text {
    color: var(--primary-blue);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.logo-icon {
    margin-right: 0.5rem;
    font-size: 1.5rem;
}

.header-form h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0.5rem;
    color: #1f2937;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem 2rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.4rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    border-bottom: 2px solid #d1d5db;
    font-size: 1rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    font-family: inherit;
    color: #555;
}

.form-group input:focus {
    outline: none;
    border-bottom-color: var(--primary-blue);
}

.form-footer {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-top: 0.5rem;
}

@media (min-width: 768px) {
    .form-footer {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-register-links {
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .footer-register-links {
        margin-bottom: 0;
    }
}

.footer-register-links a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.15s ease-in-out;
}

.footer-register-links a:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}

.btn-submit {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.375rem;
    border: none;
    cursor: pointer;
    background-color: var(--primary-blue);
    color: white;
    transition: background-color 0.2s ease-in-out;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .btn-submit {
        max-width: 12rem;
    }
}

.btn-submit:hover {
    background-color: var(--primary-blue-dark);
}