/* ===== PERSISTENT BRAND HEADER — shared across all quizzes ===== */
/* Keeps the GW logo visible on landing, quiz, AND results screens */

.quiz-header {
    width: 100%;
    background: linear-gradient(180deg, rgba(14, 30, 56, 0.95) 0%, rgba(10, 22, 40, 0.9) 100%);
    border-bottom: 1px solid rgba(255, 152, 0, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: clamp(10px, 2.5vw, 14px) clamp(12px, 3vw, 16px);
}

.header-inner {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.header-brand {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.header-logo {
    height: clamp(32px, 8vw, 44px);
    width: auto;
}

.header-right {
    display: flex;
    align-items: center;
}

/* ===== Tablet adjustments ===== */
@media (max-width: 768px) {
    .quiz-header {
        padding: 12px 14px;
    }
    .header-logo {
        height: 40px;
    }
}

/* ===== Mobile adjustments ===== */
@media (max-width: 480px) {
    .quiz-header {
        padding: 10px 12px;
    }
    .header-logo {
        height: 36px;
    }
}

@media (max-width: 380px) {
    .quiz-header {
        padding: 8px 10px;
    }
    .header-logo {
        height: 32px;
    }
}