.theme-halloween{--seasonal-accent:#ff6a00;--accent-rgb:255, 106, 0}.theme-christmas{--seasonal-accent:#d71920;--accent-rgb:215, 25, 32}.theme-easter{--seasonal-accent:#b8ff5c;--accent-rgb:184, 255, 92}.theme-new-year{--seasonal-accent:#ffd400;--accent-rgb:255, 212, 0}.theme-valentine{--seasonal-accent:#ff2b8a;--accent-rgb:255, 43, 138}.theme-custom{--seasonal-accent:var(--campaign-accent,var(--red))}body.theme-halloween{background-image:radial-gradient(circle at 18% 14%,#ff6a002e,#0000 28%),radial-gradient(circle at 86% 30%,#ff3b1817,#0000 26%)}body.theme-christmas{background-image:radial-gradient(circle at 78% 12%,#d719201f,#0000 26%),linear-gradient(105deg,#0000 0 48%,#f4eadf09 49% 51%,#0000 52%)}body.theme-easter{background-image:radial-gradient(circle at 74% 18%,#b8ff5c1c,#0000 24%),radial-gradient(circle at 18% 72%,#25f4c817,#0000 28%)}body.theme-new-year{background-image:radial-gradient(circle at 68% 18%,#ffd40021,#0000 25%),repeating-linear-gradient(112deg,#0000 0 42px,#fff4c20b 43px 44px)}body.theme-valentine{background-image:radial-gradient(circle at 80% 22%,#ff2b8a1f,#0000 24%),radial-gradient(circle at 16% 72%,#a9003a1f,#0000 28%)}.seasonal-layer{z-index:24;pointer-events:none;opacity:var(--seasonal-opacity,.72);mix-blend-mode:screen;--seasonal-effect-opacity:.72;--seasonal-snow-size:var(--seasonal-size,1.18);--seasonal-spark-size:var(--seasonal-size,1.24);--seasonal-ink-size:var(--seasonal-size,1.18);position:fixed;inset:0;overflow:hidden}.seasonal-layer span{border:1px solid rgba(var(--accent-rgb), .2);filter:blur(.2px);position:absolute}.seasonal-layer span:first-child{background:radial-gradient(circle, rgba(var(--accent-rgb), .22), transparent 62%);border-radius:999px;width:28vw;height:28vw;top:18vh;left:8vw}.seasonal-layer span:nth-child(2){background:linear-gradient(90deg, transparent, var(--seasonal-accent), transparent);width:34vw;height:1px;top:32vh;right:7vw;transform:rotate(-18deg)}.seasonal-layer span:nth-child(3){background-image:repeating-linear-gradient(45deg, rgba(var(--accent-rgb), .14) 0 1px, transparent 1px 14px);width:22vw;height:22vw;bottom:16vh;left:30vw}.seasonal-layer__badge{z-index:35;border:1px solid rgba(var(--accent-rgb), .32);max-width:min(290px,100vw - 36px);color:var(--cream,#f4eadf);letter-spacing:.12em;text-transform:uppercase;box-shadow:0 0 30px rgba(var(--accent-rgb), .16);background:#090606bd;border-radius:999px;padding:10px 14px;font:800 11px/1.1 Inter,Arial,sans-serif;position:fixed;bottom:clamp(74px,8vh,110px);right:clamp(18px,3vw,44px)}.seasonal-layer__cta{color:var(--campaign-accent,var(--seasonal-accent));margin-left:10px;display:inline-block}.effect-glow .seasonal-layer:before,.effect-ink .seasonal-layer:before,.effect-particles .seasonal-layer:before,.effect-sparkle .seasonal-layer:before,.effect-grain .seasonal-layer:before,.effect-snow .seasonal-layer:before{content:"";opacity:var(--seasonal-effect-opacity,.55);position:absolute;inset:-12%}.effect-glow .seasonal-layer:before{background:radial-gradient(circle at 20% 34%, rgba(var(--accent-rgb), .34), transparent 26%), radial-gradient(circle at 82% 62%, rgba(var(--accent-rgb), .26), transparent 30%), radial-gradient(circle at 52% 18%, #ffffff24, transparent 20%);filter:blur(16px);animation:6s ease-in-out infinite alternate seasonal-bloom}.effect-ink .seasonal-layer:before{background-image:repeating-radial-gradient(circle at 22% 44%, rgba(var(--accent-rgb), .24) 0 1px, transparent 1px 16px), linear-gradient(118deg, transparent 0 42%, rgba(var(--accent-rgb), .28) 44% 44.7%, transparent 47%), radial-gradient(circle at 78% 28%, rgba(var(--accent-rgb), .2), transparent 20%);opacity:var(--seasonal-effect-opacity,.78);animation:11s linear infinite seasonal-drift}.effect-sparkle .seasonal-layer:before,.effect-particles .seasonal-layer:before{background-image:radial-gradient(circle at 12% 22%, rgba(var(--accent-rgb), .9) 0 1px, transparent 2px), radial-gradient(circle at 38% 64%, #ffffff8f 0 1px, transparent 2px), radial-gradient(circle at 74% 30%, rgba(var(--accent-rgb), .62) 0 1px, transparent 2px), radial-gradient(circle at 86% 78%, #fff6 0 1px, transparent 2px);background-size:220px 220px;animation:10s linear infinite seasonal-drift}.effect-grain .seasonal-layer:before{background-image:repeating-radial-gradient(circle at 12% 18%, #ffffff57 0 1px, transparent 1px 4px), repeating-linear-gradient(105deg, transparent 0 7px, rgba(var(--accent-rgb), .16) 8px 9px), radial-gradient(circle at 72% 22%, rgba(var(--accent-rgb), .16), transparent 24%);opacity:calc(var(--seasonal-effect-opacity,.72) * .58);background-size:130px 130px,190px 190px,auto;animation:.9s steps(2,end) infinite seasonal-grain}.effect-snow .seasonal-layer:before{background-image:radial-gradient(circle, #ffffff6b 0 1px, transparent 2px), radial-gradient(circle, rgba(var(--accent-rgb), .24) 0 1px, transparent 2px);opacity:calc(var(--seasonal-effect-opacity,.72) * .34);background-position:0 0,80px 120px;background-size:180px 180px,260px 260px;animation:18s linear infinite seasonal-snow-bg}.seasonal-snowfield,.seasonal-sparkfield,.seasonal-inkfield{position:absolute;inset:0}.seasonal-flake{left:var(--flake-left);width:var(--flake-size);height:var(--flake-size);box-shadow:0 0 9px #ffffff80, 0 0 18px rgba(var(--accent-rgb), .18);opacity:calc(var(--flake-opacity) * var(--seasonal-effect-opacity,1));animation:seasonal-snow-fall var(--flake-duration) linear infinite;animation-delay:var(--flake-delay);background:#ffffffeb;border-radius:999px;position:absolute;top:-8vh}.seasonal-spark{left:var(--spark-left);top:var(--spark-top);width:calc(var(--seasonal-spark-size,1) * 5px);height:calc(var(--seasonal-spark-size,1) * 5px);background:var(--campaign-accent,var(--seasonal-accent));clip-path:polygon(50% 0,61% 38%,100% 50%,61% 62%,50% 100%,39% 62%,0 50%,39% 38%);filter:drop-shadow(0 0 10px rgba(var(--accent-rgb), .8));opacity:0;transform:scale(var(--spark-scale));animation:3.8s ease-in-out infinite seasonal-sparkle;animation-delay:var(--spark-delay);position:absolute}.seasonal-inkdrop{left:var(--ink-left);top:var(--ink-top);width:var(--ink-size);height:var(--ink-size);border:1px solid rgba(var(--accent-rgb), .34);background:radial-gradient(circle at 44% 38%, #ffffff42 0 2px, transparent 3px), radial-gradient(circle, rgba(var(--accent-rgb), .62), rgba(var(--accent-rgb), .18) 48%, transparent 72%);opacity:0;box-shadow:0 0 22px rgba(var(--accent-rgb), .22), inset 0 0 18px rgba(var(--accent-rgb), .16);filter:blur(.15px);animation:6.2s ease-in-out infinite seasonal-ink-pulse;animation-delay:var(--ink-delay);border-radius:58% 42% 62% 38%;position:absolute}.seasonal-inkdrop:after{content:"";border-radius:inherit;border:1px solid #ffffff38;position:absolute;inset:18%}@keyframes seasonal-snow-fall{0%{transform:translateY(-10vh)}to{transform:translate3d(var(--flake-drift), 116vh, 0)}}@keyframes seasonal-snow-bg{0%{background-position:0 0,80px 120px}to{background-position:120px 360px,20px 560px}}@keyframes seasonal-sparkle{0%,to{opacity:0;transform:scale(.4)rotate(0)}45%{opacity:calc(.9 * var(--seasonal-effect-opacity,1));transform:scale(var(--spark-scale)) rotate(45deg)}}@keyframes seasonal-ink-pulse{0%,to{opacity:0;transform:scale(.4)rotate(0)}38%{opacity:calc(.9 * var(--seasonal-effect-opacity,1))}70%{opacity:0;transform:scale(1.65)rotate(18deg)}}@keyframes seasonal-bloom{0%{opacity:calc(.48 * var(--seasonal-effect-opacity,1));transform:scale(1)}to{opacity:calc(.86 * var(--seasonal-effect-opacity,1));transform:scale(1.12)}}@keyframes seasonal-drift{0%{transform:translate(0)}to{transform:translate(90px,120px)}}@keyframes seasonal-grain{0%{transform:translate(0)}to{transform:translate(-18px,12px)}}@media (max-width:760px){.seasonal-layer{opacity:.46}.seasonal-layer__badge{max-width:calc(100vw - 28px);bottom:78px;right:14px}.effect-particles .seasonal-layer:before,.effect-sparkle .seasonal-layer:before,.effect-snow .seasonal-layer:before{opacity:.16}.seasonal-flake:nth-child(n+25),.seasonal-spark:nth-child(n+17),.seasonal-inkdrop:nth-child(n+8){display:none}}@media (prefers-reduced-motion:reduce){.seasonal-layer,.seasonal-layer *,.seasonal-layer:before,.seasonal-layer:after{transition:none!important;animation:none!important}}