.pe-promo-banner {
    position: relative;
    overflow: hidden;
    padding-right: 2.25rem;
    width: 100%;
    flex-shrink: 0;
    background: linear-gradient(
        90deg,
        #7c3aed 0%,
        #db2777 25%,
        #f59e0b 50%,
        #10b981 75%,
        #7c3aed 100%
    );
    background-size: 300% 100%;
    animation: pe-promo-gradient 6s ease infinite;
    color: #fff;
    border-bottom: 2px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
}

.pe-question-nav-stack {
    position: sticky;
    top: 0;
    z-index: 50;
}

.pe-question-nav-stack .navbar {
    position: relative;
    top: auto;
}

@keyframes pe-promo-gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.pe-promo-banner__shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 40%,
        rgba(255, 255, 255, 0.35) 50%,
        transparent 60%
    );
    background-size: 200% 100%;
    animation: pe-promo-shine 3.5s linear infinite;
    pointer-events: none;
}

@keyframes pe-promo-shine {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.pe-promo-banner__sparkles {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    font-size: 0.75rem;
    opacity: 0.45;
    pointer-events: none;
    animation: pe-promo-sparkle 2s ease-in-out infinite alternate;
}

@keyframes pe-promo-sparkle {
    from {
        opacity: 0.25;
        transform: scale(0.95);
    }
    to {
        opacity: 0.65;
        transform: scale(1.05);
    }
}

.pe-promo-banner__close {
    position: absolute;
    top: 0.45rem;
    right: 0.45rem;
    z-index: 10;
    touch-action: manipulation;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.28);
    color: #fff;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.pe-promo-banner__close:hover {
    background: rgba(0, 0, 0, 0.45);
    transform: scale(1.05);
}

.pe-promo-banner__close:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.pe-promo-banner__inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.65rem 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.65rem 1rem;
    text-align: center;
}

.pe-promo-banner__pulse-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #fef08a;
    box-shadow: 0 0 0 0 rgba(254, 240, 138, 0.8);
    animation: pe-promo-pulse 1.6s ease-out infinite;
    flex-shrink: 0;
}

@keyframes pe-promo-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(254, 240, 138, 0.8);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(254, 240, 138, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(254, 240, 138, 0);
    }
}

.pe-promo-banner__text {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.45;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.pe-promo-banner__label {
    display: inline-block;
    margin-right: 0.35rem;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.22);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    animation: pe-promo-wiggle 2.5s ease-in-out infinite;
}

@keyframes pe-promo-wiggle {
    0%,
    100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-2deg);
    }
    75% {
        transform: rotate(2deg);
    }
}

.pe-promo-banner__code {
    display: inline-block;
    margin: 0 0.25rem;
    padding: 0.15rem 0.55rem;
    border: 2px dashed rgba(255, 255, 255, 0.85);
    border-radius: 0.4rem;
    background: rgba(0, 0, 0, 0.25);
    color: #fff;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    cursor: pointer;
    animation: pe-promo-code-glow 1.8s ease-in-out infinite;
    transition: transform 0.15s ease, background 0.15s ease;
}

.pe-promo-banner__code:hover {
    transform: scale(1.06);
    background: rgba(0, 0, 0, 0.4);
}

@keyframes pe-promo-code-glow {
    0%,
    100% {
        box-shadow: 0 0 8px rgba(255, 255, 255, 0.35);
    }
    50% {
        box-shadow: 0 0 18px rgba(255, 255, 255, 0.85), 0 0 28px #fde047;
    }
}

.pe-promo-banner__percent {
    font-size: 1.05em;
    color: #fef08a;
    text-shadow: 0 0 12px rgba(254, 240, 138, 0.8);
}

.pe-promo-banner__countdown {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.4rem 0.55rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.22);
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.2;
}

.pe-promo-banner__countdown-label {
    margin-right: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.78rem;
    opacity: 0.95;
}

.pe-promo-banner__countdown-unit {
    display: inline-flex;
    align-items: baseline;
    gap: 0.15rem;
}

.pe-promo-banner__countdown-unit strong {
    font-size: 1.15rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    min-width: 1.1ch;
    text-align: center;
}

.pe-promo-banner__countdown-unit small {
    font-size: 0.72rem;
    font-weight: 700;
    opacity: 0.9;
    text-transform: lowercase;
}

.pe-promo-banner__countdown-sep {
    font-weight: 800;
    opacity: 0.75;
    font-size: 1rem;
}

.pe-promo-banner__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pe-promo-banner__cta {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: #fff;
    color: #6d28d9;
    font-size: 0.8rem;
    font-weight: 800;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
    animation: pe-promo-cta-bounce 2.2s ease-in-out infinite;
}

.pe-promo-banner__cta:hover {
    background: #fef9c3;
    color: #5b21b6;
}

@keyframes pe-promo-cta-bounce {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-2px);
    }
}

.pe-promo-banner__copy-hint {
    font-size: 0.75rem;
    font-weight: 700;
    color: #fef08a;
}

@media (max-width: 640px) {
    .pe-promo-banner__inner {
        padding: 0.55rem 0.75rem;
    }

    .pe-promo-banner__text {
        font-size: 0.82rem;
    }

    .pe-promo-banner__sparkles {
        display: none;
    }
}

html.dark-theme .pe-promo-banner {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}