:root {
    --brand-blue: #006699;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #f7f9fa 0%, #eef1f4 100%);
}

header {
    padding: 40px 0;
    background: linear-gradient(135deg, var(--brand-blue), #004466);
    color: #fff;
}

.brand {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.brand-logo {
    height: 80px;
}

main {
    flex: 1;
}

footer {
    padding: 40px 12px;
    font-size: 0.9rem;
    background: #f0f4f6;
    border-top: 1px solid #d9e0e4;
}

footer a {
    color: var(--brand-blue);
    text-decoration: none;
}

.btn-primary {
    --bs-btn-bg: var(--brand-blue);
    --bs-btn-border-color: var(--brand-blue);
    --bs-btn-hover-bg: #004466;
    --bs-btn-hover-border-color: #004466;
    --bs-btn-active-bg: #004466;
    --bs-btn-active-border-color: #004466;
    --bs-btn-disabled-bg: var(--brand-blue);
    --bs-btn-disabled-border-color: var(--brand-blue);
}

.btn-outline-primary {
    --bs-btn-color: var(--brand-blue);
    --bs-btn-border-color: var(--brand-blue);
    --bs-btn-hover-bg: var(--brand-blue);
    --bs-btn-hover-border-color: var(--brand-blue);
    --bs-btn-active-bg: var(--brand-blue);
    --bs-btn-active-border-color: var(--brand-blue);
}

.result-card {
    max-width: 720px;
    margin: 0 auto;
}

.result-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin-bottom: 1.5rem;
    border-radius: 50%;
    background: #e7f3ed;
    color: #217346;
    font-size: 2.5rem;
}

.captcha-container {
    overflow-x: auto;
}

@media (max-width: 575.98px) {
    .brand {
        flex-direction: column;
    }

    .brand h1 {
        font-size: 1.65rem;
    }

    .brand .text-start {
        text-align: center !important;
    }
}