body[data-season] {
    --season-accent: #d4af37;
    --season-accent-soft: rgba(212, 175, 55, 0.12);
}

body[data-season="halloween"] {
    --season-accent: #f27b21;
    --season-accent-soft: rgba(242, 123, 33, 0.13);
}

body[data-season="winter"] {
    --season-accent: #4a93c5;
    --season-accent-soft: rgba(74, 147, 197, 0.13);
}

body[data-season="new-year"] {
    --season-accent: #8d6bd1;
    --season-accent-soft: rgba(141, 107, 209, 0.14);
}

body[data-season="valentines"] {
    --season-accent: #dc4774;
    --season-accent-soft: rgba(220, 71, 116, 0.13);
}

body[data-season="spring"] {
    --season-accent: #4a9a62;
    --season-accent-soft: rgba(74, 154, 98, 0.13);
}

body[data-season="summer"] {
    --season-accent: #e69b24;
    --season-accent-soft: rgba(230, 155, 36, 0.14);
}

body[data-season="autumn"] {
    --season-accent: #b96532;
    --season-accent-soft: rgba(185, 101, 50, 0.13);
}

body[data-season="black-friday"] {
    --season-accent: #7455c7;
    --season-accent-soft: rgba(116, 85, 199, 0.14);
}

body[data-season] .navbar {
    border-bottom: 3px solid var(--season-accent);
    background-image: linear-gradient(var(--season-accent-soft), var(--season-accent-soft));
}

body[data-season] .nav-link:hover,
body[data-season] .navbar-brand:hover {
    color: var(--season-accent) !important;
}

.seasonal-banner {
    position: relative;
    z-index: 1031;
    padding: 8px 16px;
    background: var(--season-accent);
    color: #fff;
    font: 600 0.9rem/1.4 Arial, sans-serif;
    text-align: center;
}

.seasonal-stickers {
    position: fixed;
    inset: 0;
    z-index: 1010;
    pointer-events: none;
}

.seasonal-sticker {
    position: absolute;
    display: grid;
    width: 58px;
    height: 58px;
    place-items: center;
    border: 3px solid #fff;
    border-radius: 18px 15px 20px 14px;
    background: var(--season-accent-soft);
    background: color-mix(in srgb, var(--season-accent) 15%, white);
    box-shadow: 0 5px 16px rgba(27, 35, 44, 0.16), 0 0 0 1px var(--season-accent-soft);
    line-height: 1;
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both;
}

.seasonal-sticker svg {
    display: block;
    width: 43px;
    height: 43px;
    overflow: visible;
    filter: drop-shadow(0 1px 1px rgba(37, 39, 43, 0.12));
}

.seasonal-sticker--float {
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both,
        seasonal-sticker-float 3.6s ease-in-out var(--season-delay) infinite;
}

.seasonal-sticker--sway {
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both,
        seasonal-sticker-sway 3s ease-in-out var(--season-delay) infinite;
}

.seasonal-sticker--wiggle {
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both,
        seasonal-sticker-wiggle 2.4s ease-in-out var(--season-delay) infinite;
}

.seasonal-sticker--flutter {
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both,
        seasonal-sticker-flutter 1.8s ease-in-out var(--season-delay) infinite;
}

.seasonal-sticker--spin {
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both,
        seasonal-sticker-spin 12s ease-in-out var(--season-delay) infinite;
}

.seasonal-sticker--pulse {
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both,
        seasonal-sticker-pulse 2.8s ease-in-out var(--season-delay) infinite;
}

.seasonal-sticker--sparkle {
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both,
        seasonal-sticker-sparkle 2s ease-in-out var(--season-delay) infinite;
}

.seasonal-sticker--pop {
    animation: seasonal-sticker-pop 650ms cubic-bezier(.2, .8, .2, 1) both,
        seasonal-sticker-bounce 2.6s ease-in-out var(--season-delay) infinite;
}

.seasonal-sticker:nth-child(1) {
    top: 23%;
    left: 12px;
    --sticker-tilt: -11deg;
}

.seasonal-sticker:nth-child(2) {
    top: 48%;
    right: 12px;
    --sticker-tilt: 10deg;
}

.seasonal-sticker:nth-child(3) {
    top: 70%;
    left: 15px;
    --sticker-tilt: 8deg;
}

.seasonal-sticker:nth-child(4) {
    top: 34%;
    right: 15px;
    --sticker-tilt: -8deg;
}

@keyframes seasonal-sticker-pop {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes seasonal-sticker-float {
    0%, 100% { transform: translateY(0) rotate(var(--sticker-tilt, -6deg)); }
    50% { transform: translateY(-8px) rotate(calc(var(--sticker-tilt, -6deg) + 3deg)); }
}

@keyframes seasonal-sticker-sway {
    0%, 100% { transform: translateY(0) rotate(calc(var(--sticker-tilt, -6deg) - 4deg)); }
    50% { transform: translateY(-5px) rotate(calc(var(--sticker-tilt, -6deg) + 4deg)); }
}

@keyframes seasonal-sticker-wiggle {
    0%, 100% { transform: rotate(var(--sticker-tilt, -6deg)); }
    25% { transform: rotate(calc(var(--sticker-tilt, -6deg) - 7deg)); }
    75% { transform: rotate(calc(var(--sticker-tilt, -6deg) + 7deg)); }
}

@keyframes seasonal-sticker-flutter {
    0%, 100% { transform: translateY(0) rotate(calc(var(--sticker-tilt, -6deg) - 7deg)); }
    50% { transform: translateY(-5px) rotate(calc(var(--sticker-tilt, -6deg) + 7deg)); }
}

@keyframes seasonal-sticker-spin {
    0%, 80%, 100% { transform: rotate(var(--sticker-tilt, -6deg)); }
    90% { transform: rotate(calc(var(--sticker-tilt, -6deg) + 18deg)); }
}

@keyframes seasonal-sticker-pulse {
    0%, 100% { transform: scale(1) rotate(var(--sticker-tilt, -6deg)); }
    50% { transform: scale(1.07) rotate(calc(var(--sticker-tilt, -6deg) + 3deg)); }
}

@keyframes seasonal-sticker-sparkle {
    0%, 100% { filter: brightness(1); transform: scale(1) rotate(var(--sticker-tilt, -6deg)); }
    50% { filter: brightness(1.25) drop-shadow(0 0 7px var(--season-accent)); transform: scale(1.1) rotate(calc(var(--sticker-tilt, -6deg) + 4deg)); }
}

@keyframes seasonal-sticker-bounce {
    0%, 100% { transform: translateY(0) scale(1) rotate(var(--sticker-tilt, -6deg)); }
    45% { transform: translateY(-7px) scale(1.08) rotate(calc(var(--sticker-tilt, -6deg) + 2deg)); }
    65% { transform: translateY(0) scale(.98) rotate(var(--sticker-tilt, -6deg)); }
}

@media (prefers-reduced-motion: reduce) {
    .seasonal-sticker {
        animation: none;
        transform: rotate(var(--sticker-tilt));
    }

    .seasonal-sticker--float,
    .seasonal-sticker--sway,
    .seasonal-sticker--wiggle,
    .seasonal-sticker--flutter,
    .seasonal-sticker--spin,
    .seasonal-sticker--pulse,
    .seasonal-sticker--sparkle,
    .seasonal-sticker--pop {
        animation: none;
    }
}

@media (max-width: 600px) {
    .seasonal-sticker {
        width: 43px;
        height: 43px;
        border-width: 2px;
        border-radius: 14px;
    }

    .seasonal-sticker svg {
        width: 34px;
        height: 34px;
    }

    .seasonal-sticker:nth-child(1) {
        top: 18%;
        left: 5px;
    }

    .seasonal-sticker:nth-child(2) {
        top: 36%;
        right: 5px;
    }

    .seasonal-sticker:nth-child(3),
    .seasonal-sticker:nth-child(4) {
        display: none;
    }
}