:root{color-scheme:light;--bg-0: #86bae1;--bg-1: #7fb6df;--bg-2: #76afd9;--bg-3: #6ea7d4;--text: #14213a;--text-dim: #486080;--spark-core: 255, 255, 255;--spark-outer: 255, 255, 255;--spark-core-alpha: .98;--spark-mid-alpha: .5;--spark-streak: 255, 255, 255;--sparkle-blend: screen}*{box-sizing:border-box}html,body{width:100%;height:100%;min-height:100dvh;margin:0}body{position:relative;overflow:hidden;font-family:Avenir Next,SF Pro Text,Segoe UI,sans-serif;color:var(--text);touch-action:manipulation;transition:background .52s ease,color .32s ease}body.theme-day{color-scheme:light;--text: #14213a;--text-dim: #486080;--spark-core: 255, 255, 255;--spark-outer: 255, 255, 255;--spark-core-alpha: .98;--spark-mid-alpha: .5;--spark-streak: 255, 255, 255;--sparkle-blend: screen;background:radial-gradient(42% 28% at 82% 10%,#fff9e23d,#fff9e200 72%),linear-gradient(180deg,var(--bg-3) 0%,var(--bg-2) 42%,var(--bg-1) 72%,var(--bg-0) 100%)}body.theme-night{color-scheme:dark;--text: #e8f3ff;--text-dim: #a7bedb;--spark-core: 234, 246, 255;--spark-outer: 175, 206, 255;--spark-core-alpha: .98;--spark-mid-alpha: .44;--spark-streak: 193, 221, 255;--sparkle-blend: screen;background:radial-gradient(90% 68% at 50% -10%,#90beff14,#90beff00 74%),linear-gradient(180deg,#000105,#01030b 42%,#01020a)}.sparkle-layer{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:1;isolation:isolate}.sparkle{position:absolute;left:var(--x);top:var(--y);width:var(--core-size);height:var(--core-size);border-radius:50%;background:radial-gradient(circle,rgba(var(--spark-rgb, var(--spark-core)),var(--spark-core-alpha)) 0 33%,rgba(var(--spark-rgb, var(--spark-outer)),var(--spark-mid-alpha)) 36%,rgba(var(--spark-rgb, var(--spark-outer)),0) 78%);filter:blur(var(--blur));opacity:0;transform:translate3d(-50%,-50%,0) scale(.76) rotate(var(--rot));transform-origin:center;mix-blend-mode:var(--sparkle-blend);animation:sparkle-flicker var(--duration) ease-in-out infinite;animation-delay:var(--delay);z-index:1}.sparkle:before,.sparkle:after{content:"";position:absolute;left:50%;top:50%;border-radius:999px;pointer-events:none;transform:translate(-50%,-50%);background:linear-gradient(90deg,rgba(var(--spark-streak-rgb, var(--spark-streak)),0),rgba(var(--spark-streak-rgb, var(--spark-streak)),var(--streak-alpha)),rgba(var(--spark-streak-rgb, var(--spark-streak)),0))}.sparkle-layer:before,.sparkle-layer:after{content:"";position:absolute;inset:-40%;border-radius:50%;pointer-events:none;opacity:0;z-index:0;transition:opacity .62s ease}body.theme-night .sparkle-layer:before{opacity:.24;background:conic-gradient(from 12deg at 50% 52%,#589aff24,#b65cff1f 22%,#76ecff1a,#ff84dc1a 62%,#595ffa26 80%,#589aff24),radial-gradient(58% 44% at 34% 32%,#73c7ff30,#73c7ff00 74%),radial-gradient(54% 48% at 72% 64%,#c278ff2b,#c278ff00 76%);mix-blend-mode:screen;filter:none;animation:galaxy-spin 140s linear infinite}body.theme-night .sparkle-layer:after{opacity:.3;background:radial-gradient(60% 50% at 22% 26%,#96c5ff2e,#96c5ff00 74%),radial-gradient(54% 48% at 78% 62%,#c594ff29,#c594ff00 76%),radial-gradient(48% 42% at 48% 82%,#80eaff24,#80eaff00 78%);mix-blend-mode:screen;filter:none;animation:dust-drift 80s ease-in-out infinite}.static-star{position:absolute;left:var(--x);top:var(--y);width:var(--size);height:var(--size);border-radius:50%;background:rgba(var(--star-rgb),var(--star-alpha));opacity:var(--star-opacity);transform:translate3d(-50%,-50%,0);pointer-events:none;z-index:0}.sparkle:before{width:var(--streak-long);height:1px;transform:translate(-50%,-50%) rotate(var(--rot))}.sparkle:after{width:var(--streak-short);height:1px;transform:translate(-50%,-50%) rotate(calc(var(--rot) + 90deg))}.page-gradient{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0;transition:background .52s ease,opacity .52s ease}.caustic-layer{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:1;opacity:1;--cx: 50vw;--cy: 58vh;--caustic-scale: 1;--caustic-angle: 0deg;--caustic-opacity: 0;--caustic-tail: 0;transition:opacity .32s ease}.caustic-layer:before,.caustic-layer:after{content:"";position:absolute;left:var(--cx);top:var(--cy);pointer-events:none;opacity:var(--caustic-opacity);transform-origin:center;transition:opacity .18s ease}.caustic-layer:before{width:calc(320px * var(--caustic-scale));height:calc(176px * var(--caustic-scale));border-radius:50%;transform:translate(-50%,-50%) rotate(var(--caustic-angle)) scaleX(1.08) scaleY(.82);background:radial-gradient(44% 28% at 50% 50%,#ffffff57,#fff0 70%),radial-gradient(22% 14% at 34% 54%,#fffbed85,#fffbed00 72%),radial-gradient(20% 13% at 64% 42%,#cdf2ff6b,#cdf2ff00 74%),conic-gradient(from 118deg at 50% 50%,#fff0,#ffffff2e 24deg,#ffffff0a 58deg,#fff0 90deg,#ffffff29 156deg,#fff0 208deg,#ffffff1a 320deg,#fff0 360deg);mix-blend-mode:screen;filter:blur(18px) saturate(120%)}.caustic-layer:after{width:calc(188px * var(--caustic-scale));height:calc(58px * var(--caustic-scale));border-radius:50%;transform:translate(-50%,-50%) translateY(calc(34px * var(--caustic-scale))) rotate(calc(var(--caustic-angle) - 10deg)) scaleX(1.3) scaleY(.56);background:radial-gradient(52% 52% at 50% 50%,#ffffff4d,#fff0 72%),linear-gradient(90deg,#fff0,rgba(255,255,255,calc(.18 + var(--caustic-tail) * .14)),#fff0);mix-blend-mode:screen;filter:blur(14px)}body.theme-night .caustic-layer:before{background:radial-gradient(42% 26% at 50% 50%,#cbdfff33,#cbdfff00 72%),radial-gradient(22% 14% at 34% 54%,#b0ceff47,#b0ceff00 74%),radial-gradient(20% 13% at 64% 42%,#bd97ff2e,#bd97ff00 74%),conic-gradient(from 118deg at 50% 50%,#fff0,#b8d6ff1f 24deg,#ffffff08 58deg,#fff0 90deg,#c7aaff1a 156deg,#fff0 208deg,#bad6ff14 320deg,#fff0 360deg)}body.theme-night .caustic-layer:after{background:radial-gradient(52% 52% at 50% 50%,#cbdfff2e,#cbdfff00 72%),linear-gradient(90deg,#fff0,rgba(203,223,255,calc(.12 + var(--caustic-tail) * .08)),#fff0)}.page-gradient:before,.page-gradient:after{content:"";position:absolute;inset:-12%;pointer-events:none;opacity:0;transition:opacity .56s ease}body.theme-day .page-gradient{background:radial-gradient(88% 52% at 50% 8%,#ffffff57,#fff0 78%),linear-gradient(180deg,#5791c424,#5791c414 46%,#5791c408)}body.theme-day .page-gradient:before{opacity:.46;background:radial-gradient(20% 10% at 12% 20%,#ffffffd1 0 62%,#fff0),radial-gradient(24% 12% at 34% 14%,#f8fcffc7 0 64%,#f8fcff00),radial-gradient(22% 11% at 56% 24%,#ffffffc2 0 62%,#fff0),radial-gradient(18% 10% at 78% 18%,#f7fbffbd 0 60%,#f7fbff00);filter:blur(18px)}body.theme-day .page-gradient:after{opacity:.34;background:radial-gradient(26% 12% at 10% 78%,#ffffffbd 0 64%,#fff0),radial-gradient(24% 11% at 38% 86%,#f8fcffb3 0 62%,#f8fcff00),radial-gradient(26% 12% at 70% 80%,#ffffffb8 0 64%,#fff0),radial-gradient(22% 10% at 92% 88%,#f8fcffad 0 60%,#f8fcff00);filter:blur(22px)}body.theme-night .page-gradient{background:radial-gradient(72% 50% at 50% 10%,#d7e4ff14,#d7e4ff00 76%),radial-gradient(90% 58% at 44% 92%,#4662c824,#4662c800 78%),linear-gradient(180deg,#02040fc7,#02040e5c)}body.theme-night .page-gradient:before{opacity:.36;background:radial-gradient(58% 46% at 18% 30%,#86adff5c,#86adff00 74%),radial-gradient(56% 44% at 84% 35%,#db7bff4d,#db7bff00 77%),radial-gradient(64% 46% at 52% 78%,#6187ec47,#6187ec00 80%),radial-gradient(46% 38% at 62% 46%,#78f4ff33,#78f4ff00 78%);mix-blend-mode:screen;filter:none;animation:nebula-drift 70s ease-in-out infinite}body.theme-night .page-gradient:after{opacity:.82;background-image:radial-gradient(circle at 6% 14%,#ffffffe6 0 1px,#fff0 1.4px),radial-gradient(circle at 15% 35%,#dcecffb8 0 1px,#dcecff00 1.4px),radial-gradient(circle at 22% 12%,#ffffffe0 0 1px,#fff0 1.4px),radial-gradient(circle at 33% 41%,#cce4ffd1 0 1px,#cce4ff00 1.4px),radial-gradient(circle at 42% 18%,#fffc 0 1px,#fff0 1.4px),radial-gradient(circle at 53% 31%,#d5e8ffc2 0 1px,#d5e8ff00 1.4px),radial-gradient(circle at 61% 16%,#ffffffd6 0 1px,#fff0 1.4px),radial-gradient(circle at 69% 44%,#d9eaffbd 0 1px,#d9eaff00 1.4px),radial-gradient(circle at 78% 21%,#ffffffe0 0 1px,#fff0 1.4px),radial-gradient(circle at 87% 34%,#cbe1ffb8 0 1px,#cbe1ff00 1.4px),radial-gradient(circle at 11% 62%,#deecffb3 0 1px,#deecff00 1.4px),radial-gradient(circle at 24% 82%,#ffffffd1 0 1px,#fff0 1.4px),radial-gradient(circle at 37% 69%,#d6e8ffb8 0 1px,#d6e8ff00 1.4px),radial-gradient(circle at 49% 88%,#ffffffc7 0 1px,#fff0 1.4px),radial-gradient(circle at 58% 74%,#cee2ffb8 0 1px,#cee2ff00 1.4px),radial-gradient(circle at 71% 85%,#fffc 0 1px,#fff0 1.4px),radial-gradient(circle at 84% 68%,#d6e8ffb8 0 1px,#d6e8ff00 1.4px),radial-gradient(circle at 93% 79%,#ffffffd6 0 1px,#fff0 1.4px);filter:none;animation:starfield-drift 96s linear infinite}body.theme-night .sparkle{filter:blur(var(--blur))}.shooting-star{position:absolute;left:0;top:0;width:var(--trail-length);height:var(--trail-thickness);border-radius:999px;background:linear-gradient(90deg,rgba(var(--meteor-rgb),0),rgba(var(--meteor-rgb),.08) 28%,rgba(var(--meteor-rgb),.42) 68%,rgba(var(--meteor-rgb),.98));transform-origin:right center;transform:translate3d(var(--sx),var(--sy),0) rotate(var(--angle));filter:blur(.12px);opacity:0;mix-blend-mode:screen;z-index:2;animation:shooting-star var(--duration) linear infinite;animation-delay:var(--delay);animation-fill-mode:both}.shooting-star:before{content:"";position:absolute;right:-10px;top:50%;width:14px;height:3px;border-radius:999px;transform:translateY(-50%);background:radial-gradient(circle,#fffffff2,#fff0);filter:none}#scene{position:fixed;inset:0;width:100%;height:100dvh;display:block;z-index:2;background:transparent;touch-action:manipulation}.brand{position:fixed;top:calc(env(safe-area-inset-top,0px) + clamp(1.1rem,3vw,2rem));left:calc(env(safe-area-inset-left,0px) + clamp(1.1rem,3vw,2rem));z-index:3;pointer-events:none;text-align:left}.logo{margin:0;padding:0;pointer-events:auto;cursor:pointer;touch-action:manipulation;user-select:none;color:#fff;font-weight:600;font-size:clamp(1.05rem,2.2vw,1.3rem);letter-spacing:.08em;text-transform:lowercase;text-shadow:0 0 14px rgba(174,217,255,.48);transition:color .32s ease,text-shadow .42s ease}body.theme-night .logo{color:#ecf4ff;text-shadow:0 0 18px rgba(150,185,255,.42),0 0 36px rgba(95,128,255,.24)}.theme-toggle{position:fixed;top:calc(env(safe-area-inset-top,0px) + clamp(1rem,2.6vw,1.6rem));right:calc(env(safe-area-inset-right,0px) + clamp(1rem,2.6vw,1.6rem));z-index:4;border:0;margin:0;padding:0;background:transparent;color:inherit;cursor:pointer;touch-action:manipulation}.theme-toggle-track{position:relative;display:flex;align-items:center;justify-content:space-between;isolation:isolate;width:clamp(66px,14vw,76px);height:clamp(34px,7vw,40px);border-radius:999px;padding:0 clamp(8px,1.7vw,10px);border:1px solid rgba(255,255,255,.52);background:linear-gradient(145deg,#ffffff85,#ffffff1f),radial-gradient(130% 140% at 18% 0%,#ffffff5c,#fff0);box-shadow:inset 0 1px #ffffff85,inset 0 -8px 24px #ffffff14,0 10px 24px #172f522e;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);transition:background .42s ease,border-color .32s ease,box-shadow .42s ease}body.theme-night .theme-toggle-track{border-color:#bad4ff52;background:linear-gradient(145deg,#a8c3ff38,#5f7ac21f),radial-gradient(130% 140% at 18% 0%,#bcd5ff33,#7993d600);box-shadow:inset 0 1px #d9e8ff33,inset 0 -12px 28px #1a265247,0 12px 28px #070c2061}.theme-icon{width:clamp(14px,3vw,17px);height:clamp(14px,3vw,17px);fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-width:2.35;position:relative;z-index:2;pointer-events:none;filter:drop-shadow(0 0 1px rgba(255,255,255,.45));transition:opacity .26s ease,stroke .26s ease,transform .26s ease,filter .26s ease}.theme-icon-day{stroke:#0c182cfa;opacity:1;transform:scale(1)}.theme-icon-night{stroke:#162844e6;opacity:.9;transform:scale(.92)}body.theme-night .theme-icon-day{stroke:#cadcffeb;opacity:.78;transform:scale(.9);filter:drop-shadow(0 0 1px rgba(0,0,0,.62))}body.theme-night .theme-icon-night{stroke:#fff;opacity:1;transform:scale(1);filter:drop-shadow(0 0 1px rgba(0,0,0,.68))}.theme-toggle-thumb{position:absolute;left:3px;top:3px;z-index:1;width:calc(50% - 3px);height:calc(100% - 6px);border-radius:999px;background:radial-gradient(115% 140% at 34% 18%,#ffffffe0,#ffffff70 46%,#ffffff24),linear-gradient(170deg,#ffffff94,#fff3);box-shadow:0 6px 16px #233f603d,inset 0 0 0 1px #ffffff8a;transform:translate(0);transition:transform .36s cubic-bezier(.2,.75,.2,1),background .36s ease,box-shadow .36s ease}body.theme-night .theme-toggle-thumb{transform:translate(100%);background:radial-gradient(110% 130% at 34% 18%,#eff6ffeb,#aec9ff7a 46%,#84a8ff33),linear-gradient(170deg,#b1cdffb3,#6686d74d);box-shadow:0 8px 20px #0a143473,inset 0 0 0 1px #dcecff66}.logo:focus-visible,#scene:focus-visible,.theme-toggle:focus-visible{outline:2px solid rgba(255,255,255,.85);outline-offset:4px}@keyframes nebula-drift{0%{transform:translate3d(-2.8%,-2.1%,0) scale(1.08)}50%{transform:translate3d(2.4%,2%,0) scale(1.12)}to{transform:translate3d(-2.8%,-2.1%,0) scale(1.08)}}@keyframes starfield-drift{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(-3.1%,2.8%,0) scale(1.03)}}@keyframes galaxy-spin{0%{transform:translate3d(-2.2%,-1.8%,0) scale(1.16)}50%{transform:translate3d(2.1%,1.9%,0) scale(1.2)}to{transform:translate3d(-2.2%,-1.8%,0) scale(1.16)}}@keyframes dust-drift{0%{transform:translateZ(0) scale(1)}50%{transform:translate3d(-1.4%,1.1%,0) scale(1.05)}to{transform:translateZ(0) scale(1)}}@keyframes shooting-star{0%{opacity:0;transform:translate3d(var(--sx),var(--sy),0) rotate(var(--angle)) scaleX(.2)}10%{opacity:.98}70%{opacity:.8}to{opacity:0;transform:translate3d(calc(var(--sx) + var(--travel-x)),calc(var(--sy) + var(--travel-y)),0) rotate(var(--angle)) scaleX(1)}}@keyframes sparkle-flicker{0%{opacity:.12;transform:translate3d(calc(-50% - var(--dx)),calc(-50% - var(--dy)),0) scale(.62) rotate(var(--rot))}18%{opacity:.22;transform:translate3d(calc(-50% + var(--dx)),calc(-50% + var(--dy)),0) scale(.86) rotate(calc(var(--rot) + 2deg))}33%{opacity:var(--peak);transform:translate3d(calc(-50% + var(--dx)),calc(-50% + var(--dy)),0) scale(1.2) rotate(calc(var(--rot) + 5deg))}48%{opacity:.28;transform:translate3d(calc(-50% - var(--dx)),calc(-50% + var(--dy)),0) scale(.82) rotate(calc(var(--rot) - 2deg))}66%{opacity:calc(var(--peak) * .84);transform:translate3d(calc(-50% + var(--dx)),calc(-50% - var(--dy)),0) scale(1.05) rotate(calc(var(--rot) + 3deg))}to{opacity:.12;transform:translate3d(calc(-50% - var(--dx)),calc(-50% - var(--dy)),0) scale(.62) rotate(var(--rot))}}@media (prefers-reduced-motion: reduce){.page-gradient:before,.page-gradient:after,.caustic-layer:before,.caustic-layer:after,.sparkle-layer:before,.sparkle-layer:after,.shooting-star{animation:none}.sparkle{animation:none}.sparkle{opacity:.34;transform:translate3d(-50%,-50%,0) scale(1)}.shooting-star{display:none}.theme-toggle-thumb{transition-duration:.01ms}}@media (max-width: 640px){.logo{font-size:clamp(.96rem,4.8vw,1.12rem);letter-spacing:.07em}}