:root{--bg:#05060f;--bg2:#0b0d1d;--card:rgba(255,255,255,.04);--line:rgba(255,255,255,.09);--txt:#f2f3f8;--mut:#a7aec4;--dim:#6d7490;--c1:#00d4ff;--c2:#7b2ff7;--grad:linear-gradient(135deg,var(--c1),var(--c2));--r:18px;--max:1160px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6;overflow-x:hidden}
h1,h2,h3,.brand-name{font-family:'Space Grotesk','Inter',sans-serif}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(110px);opacity:.55;animation:float 18s ease-in-out infinite}
.o1{width:560px;height:560px;background:rgba(0,212,255,.14);top:-180px;left:-160px}
.o2{width:520px;height:520px;background:rgba(123,47,247,.16);top:38%;right:-160px;animation-delay:-6s}
.o3{width:380px;height:380px;background:rgba(0,212,255,.08);bottom:-120px;left:32%;animation-delay:-12s}
@keyframes spinSlow{to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,30px)}}
.grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 50% 20%,black 20%,transparent 70%)}
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(5,6,15,.72);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--max);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--txt)}
.brand-mark{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:1.5rem}
.brand-name{font-weight:700;letter-spacing:.14em;font-size:.95rem}
.brand-name em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:26px}
.nav-links a{color:var(--mut);text-decoration:none;font-size:.92rem;font-weight:500}
.nav-links a:hover{color:var(--txt)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;border-radius:12px;transition:.25s;cursor:pointer;border:1px solid transparent;font-family:inherit}
.btn-sm{padding:9px 18px;font-size:.85rem}
.btn-lg{padding:15px 30px;font-size:1rem}
.btn-xl{padding:18px 44px;font-size:1.1rem}
.btn-glow{background:var(--grad);color:#fff;box-shadow:0 8px 30px rgba(0,212,255,.35)}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(123,47,247,.45)}
.btn-ghost{border-color:var(--line);color:var(--txt);background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:var(--txt);border-radius:2px}
.mobile{display:none;flex-direction:column;gap:6px;padding:8px 24px 18px}
.mobile a{color:var(--mut);text-decoration:none;padding:10px 4px;border-top:1px solid var(--line)}
.mobile.open{display:flex}
.hero{padding:150px 0 0;position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;color:var(--mut);border:1px solid var(--line);background:rgba(255,255,255,.04);padding:8px 16px;border-radius:100px}
.dot{width:8px;height:8px;border-radius:50%;background:#22e07a;box-shadow:0 0 10px #22e07a;animation:blink 2s infinite}
@keyframes blink{50%{opacity:.4}}
h1{font-size:clamp(2.6rem,6vw,4.4rem);line-height:1.02;margin:24px 0 18px;letter-spacing:-.02em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--mut);font-size:1.08rem;max-width:34rem}
.lead strong{color:var(--txt)}
.cta{display:flex;gap:14px;margin:28px 0 14px;flex-wrap:wrap}
.meta{color:var(--dim);font-size:.85rem}
.stats{display:flex;gap:34px;margin-top:30px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column}
.stat b{font-size:1.7rem;font-family:'Space Grotesk'}
.stat span{color:var(--dim);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}
.hero-card{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:0 30px 80px rgba(0,0,0,.5);position:relative;overflow:hidden}
.hero-card::before{content:'';position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent,rgba(0,212,255,.12),transparent 30%);animation:spinSlow 9s linear infinite}
.hud,.sliders,.chips,.card-note{position:relative}
.hud{display:flex;align-items:center;gap:12px;font-size:.8rem;color:var(--mut);font-family:monospace;background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:20px}
.hud-bar{display:flex;gap:5px}.hud-bar i{width:10px;height:10px;border-radius:50%;background:#ff5f57}.hud-bar i:nth-child(2){background:#febc2e}.hud-bar i:nth-child(3){background:#28c840}
.sliders{display:flex;flex-direction:column;gap:14px}
.row{display:grid;grid-template-columns:110px 1fr 34px;align-items:center;gap:12px;font-size:.85rem;color:var(--mut)}
.row b{color:var(--txt);text-align:right}
.bar{height:8px;border-radius:100px;background:rgba(255,255,255,.08);overflow:hidden}
.bar i{display:block;height:100%;background:var(--grad);border-radius:100px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 14px}
.card-note{color:var(--dim);font-size:.85rem}
.marquee{margin-top:70px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;white-space:nowrap;background:rgba(255,255,255,.015)}
 .track{display:inline-flex;width:max-content;padding:14px 0;animation:mq 30s linear infinite;font-size:.82rem;letter-spacing:.18em;color:var(--dim)}
@keyframes mq{to{transform:translateX(-50%)}}
.section{padding:96px 0;position:relative;z-index:1}
.section.alt{background:linear-gradient(180deg,transparent,rgba(123,47,247,.05),transparent)}
.narrow{max-width:820px}
.kicker{font-size:.75rem;letter-spacing:.22em;color:var(--c1);font-weight:700;margin-bottom:12px}
.center{text-align:center}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem);letter-spacing:-.01em;margin-bottom:10px}
.sub{color:var(--mut);margin-bottom:40px}.sub.center{margin-left:auto;margin-right:auto}
.grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);background:rgba(255,255,255,.06);border-color:rgba(0,212,255,.3)}
.ico{font-size:1.6rem;margin-bottom:14px}
.card h3{font-size:1.05rem;margin-bottom:8px}
.card p{color:var(--mut);font-size:.92rem}
.preset-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.preset{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:6px}
.preset b{font-family:'Space Grotesk';font-size:1.05rem}
.preset span{color:var(--mut);font-size:.87rem}
.preset.hl{border-color:rgba(0,212,255,.4);background:linear-gradient(135deg,rgba(0,212,255,.1),rgba(123,47,247,.1))}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;position:relative}
.n{position:absolute;top:-16px;left:24px;width:34px;height:34px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:700}
.step h3{margin:8px 0 10px}
.step p{color:var(--mut);font-size:.92rem}
code{background:rgba(0,212,255,.12);border:1px solid rgba(0,212,255,.25);padding:1px 7px;border-radius:6px;font-size:.82em;font-family:monospace}
.tip{margin-top:20px;border:1px dashed rgba(0,212,255,.4);background:rgba(0,212,255,.06);padding:18px 22px;border-radius:14px;color:var(--mut);font-size:.93rem}
.dl{padding-top:20px}
.dl-card{text-align:center;border-radius:28px;padding:80px 32px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.12);position:relative;overflow:hidden}
.dl-card h2{margin-bottom:10px}
.dl-card p{color:var(--mut);margin-bottom:30px}
.dl-meta{margin-top:22px;color:var(--dim);font-size:.82rem}
.langs{display:flex;gap:10px;justify-content:center;margin:26px 0 30px;flex-wrap:wrap}
.lang{padding:10px 26px;border-radius:100px;border:1px solid var(--line);background:var(--card);color:var(--mut);font-weight:600;cursor:pointer;font-family:inherit;transition:.25s}
.lang:hover{color:var(--txt)}
.lang.active{background:var(--grad);color:#fff;border-color:transparent}
.faq{display:flex;flex-direction:column;gap:12px;text-align:left}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;background:none;border:0;color:var(--txt);font-weight:600;font-size:.98rem;padding:20px 22px;cursor:pointer;font-family:inherit;text-align:left}
.faq-q:hover{color:var(--c1)}
.faq-x{width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:.3s;font-size:1.1rem}
.faq-item.open .faq-x{transform:rotate(45deg);background:var(--grad)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;color:var(--mut);font-size:.93rem}
.foot{border-top:1px solid var(--line);padding:50px 0 36px;position:relative;z-index:1;text-align:center}
.foot .brand{justify-content:center;margin-bottom:14px}
.foot p{color:var(--mut);font-size:.88rem}
.copy{color:var(--dim)!important;font-size:.8rem!important;margin-top:8px}
.copy a{color:var(--c1);text-decoration:none}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}.grid6{grid-template-columns:1fr 1fr}.preset-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}.hero{padding-top:120px}}
@media(max-width:640px){.nav-links{display:none}.burger{display:flex}.cta .btn{width:100%;justify-content:center}.grid6,.preset-grid{grid-template-columns:1fr}.dl-card{padding:56px 22px}.row{grid-template-columns:90px 1fr 30px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* hero preset scene */
.rec{margin-left:auto;font-size:.7rem;letter-spacing:.1em;color:#22e07a;text-transform:uppercase}
.scene{position:relative;height:150px;border-radius:14px;overflow:hidden;margin-bottom:20px;border:1px solid var(--line);transition:background 1s}
.scene.s0{background:linear-gradient(180deg,#7ec8f7 0%,#f7d38b 70%,#3a3f4a 70%,#22252d 100%)}
.scene.s1{background:linear-gradient(180deg,#3d4a63 0%,#5b6b8c 60%,#2c313c 60%,#1c1f27 100%)}
.scene.s2{background:linear-gradient(180deg,#060818 0%,#141a3a 60%,#22252d 60%,#101216 100%)}
.scene.s3{background:linear-gradient(180deg,#a8c4de 0%,#dfe9f2 60%,#eef2f6 60%,#c9d4e0 100%)}
.sun{position:absolute;top:26px;left:50%;width:56px;height:56px;margin-left:-28px;border-radius:50%;background:radial-gradient(circle,#fff8,#ffdf8a 60%,transparent 70%);transition:.8s}
.s1 .sun{display:none}.s2 .sun{background:radial-gradient(circle,#fff,#cdd6ff 60%,transparent 70%);width:36px;height:36px;margin-left:-18px}
.mountains{position:absolute;left:0;right:0;bottom:30%;height:40px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.35));clip-path:polygon(0 100%,12% 20%,24% 100%,38% 30%,52% 100%,66% 15%,80% 100%,92% 40%,100% 100%)}
.hwy{position:absolute;left:0;right:0;bottom:0;height:30%;background:#22252d}.hwy::before{content:'';position:absolute;left:0;right:0;top:50%;height:2px;background:repeating-linear-gradient(90deg,#ffd75e 0 24px,transparent 24px 48px);opacity:.8}
.bar i{transition:width .8s cubic-bezier(.4,0,.2,1)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 14px}
.chip{font-size:.78rem;font-weight:600;letter-spacing:.04em;border:1px solid var(--line);padding:8px 14px;border-radius:100px;color:var(--mut);background:rgba(255,255,255,.03);cursor:pointer;font-family:inherit;transition:.25s}
.chip:hover{color:var(--txt);border-color:rgba(255,255,255,.25)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent}
/* gallery slider */
.slider{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#080a16}
.slides{position:relative}
.slide{aspect-ratio:16/9;position:relative;background:#0b0e1c;overflow:hidden}
.slide img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in}
.slide .cap{position:absolute;left:16px;bottom:14px;background:rgba(0,0,0,.55);backdrop-filter:blur(8px);padding:8px 16px;border-radius:100px;font-size:.8rem;border:1px solid rgba(255,255,255,.15)}
.slide.empty{background:linear-gradient(135deg,#0b1c33,#2a1450)}
.slide.empty .big{font-size:2.4rem;margin-bottom:8px}
.slide.empty p{color:var(--mut);max-width:26rem;text-align:center;padding:0 24px}
.arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(0,0,0,.5);backdrop-filter:blur(8px);color:#fff;font-size:1.5rem;cursor:pointer;transition:.25s;z-index:2}
.arrow:hover{background:var(--grad);border-color:transparent}
.arrow.prev{left:14px}.arrow.next{right:14px}
.slider-foot{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:rgba(0,0,0,.4)}
.dots{display:flex;gap:8px;flex-wrap:wrap}
.dotb{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.25);cursor:pointer;padding:0}
.dotb.active{background:var(--grad);width:26px;border-radius:100px}
.counter{font-size:.82rem;color:var(--mut);font-variant-numeric:tabular-nums}
.lightbox{position:fixed;inset:0;z-index:99;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;flex-direction:column;gap:12px;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:82vh;border-radius:12px;object-fit:contain}
.lb-close{position:absolute;top:18px;right:22px;background:rgba(255,255,255,.1);border:1px solid var(--line);color:#fff;width:42px;height:42px;border-radius:50%;cursor:pointer;font-size:1.1rem}
.lb-cap{color:var(--mut);font-size:.9rem}

/* soft crossfade gallery */
.slides.fade{display:block;position:relative}
.slides.fade .slide{position:absolute;inset:0;min-width:100%;opacity:0;transform:scale(1.045);transition:opacity 1s ease,transform 1.4s ease;pointer-events:none;z-index:1}
.slides.fade .slide.active{opacity:1;transform:scale(1);pointer-events:auto;z-index:2;position:relative}
.slides.fade .slide.active img{animation:kenburns 7s ease forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.06)}}
.slide::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,6,15,.18),transparent 30%,transparent 55%,rgba(5,6,15,.55));pointer-events:none}
.progress{position:absolute;top:0;left:0;right:0;height:3px;z-index:5;background:rgba(255,255,255,.08)}
.progress i{display:block;height:100%;width:0;background:var(--grad);transition:width .2s linear}
/* resources */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.link-card{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;text-decoration:none;color:var(--txt);transition:.25s}
.link-card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,.35);background:rgba(255,255,255,.06)}
.link-card h3{font-size:1.02rem;margin-bottom:6px}
.link-card p{color:var(--mut);font-size:.9rem;margin-bottom:10px}
.go{font-size:.85rem;font-weight:600;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.link-card .ico{font-size:1.5rem}
.dl-alt{margin-top:12px;color:var(--dim);font-size:.85rem}
.dl-alt a{color:var(--c1)}
.step a{color:var(--c1)}
.lightbox{transition:opacity .35s ease}
.lightbox img{animation:lbIn .35s ease}
@keyframes lbIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
@media(max-width:960px){.link-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.slides.fade .slide{transition:opacity .3s ease;transform:none}.slides.fade .slide.active img{animation:none}}

/* ===== cinematic gallery: blur dissolve ===== */
.slides.fade .slide{filter:blur(0);transition:opacity .9s ease,transform 1.3s ease,filter .9s ease}
.slides.fade .slide.leaving{opacity:0;transform:scale(1.07);filter:blur(10px)}
.slides.fade .slide.entering img{animation:blurIn 1.1s ease forwards}
@keyframes blurIn{from{filter:blur(12px);transform:scale(1.08)}to{filter:blur(0);transform:scale(1.06)}}
.thumbs{display:flex;gap:10px;padding:12px 16px;overflow-x:auto;background:rgba(0,0,0,.45);scrollbar-width:thin}
.thumbs img{width:96px;height:54px;object-fit:cover;border-radius:8px;cursor:pointer;opacity:.45;border:2px solid transparent;transition:.3s;flex-shrink:0}
.thumbs img:hover{opacity:.85;transform:translateY(-2px)}
.thumbs img.sel{opacity:1;border-color:var(--c1);box-shadow:0 0 14px rgba(0,212,255,.5)}
.slide .cap{animation:capUp .8s ease}
@keyframes capUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.arrow{opacity:0}
.slider:hover .arrow,.slider:focus-within .arrow{opacity:1}
.arrow:active{transform:translateY(-50%) scale(.9)}
@media(max-width:640px){.arrow{opacity:1;width:40px;height:40px}}
/* ===== site-wide motion ===== */
.reveal-hero .w{display:inline-block;opacity:0;transform:translateY(34px) rotate(2deg);animation:wordUp .8s cubic-bezier(.2,.7,.2,1) forwards}
.reveal-hero .w:nth-child(2){animation-delay:.12s}.reveal-hero .w:nth-child(4){animation-delay:.24s}
@keyframes wordUp{to{opacity:1;transform:none}}
.shimmer{background:linear-gradient(110deg,var(--c1) 20%,#fff 40%,var(--c2) 60%,var(--c1) 80%);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 5s linear infinite}
@keyframes shimmer{to{background-position:200% center}}
.pill{animation:pillIn .7s ease both}
@keyframes pillIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.btn-glow{position:relative;overflow:hidden}
.btn-glow::after{content:'';position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);transition:left .6s}
.btn-glow:hover::after{left:130%}
.card,.preset,.step,.link-card{position:relative}
.card::before,.preset::before,.step::before,.link-card::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%),rgba(0,212,255,.5),transparent 60%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover::before,.preset:hover::before,.step:hover::before,.link-card:hover::before{opacity:1}
/*retired*/.dl-card-retired::before{content:'';position:absolute;inset:-2px;border-radius:30px;padding:2px;background:conic-gradient(from var(--ang,0deg),var(--c1),var(--c2),var(--c1));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:spinBorder 6s linear infinite;opacity:.6}
@property --ang{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes spinBorderRetired{to{--ang:360deg}}
.dl-card{/*calm*/}
@keyframes dlPulse{0%,100%{box-shadow:0 0 0 rgba(0,212,255,0)}50%{box-shadow:0 0 60px rgba(0,212,255,.18)}}
.nav{transition:transform .35s ease,background .35s ease}
.nav.hide{transform:translateY(-100%)}
.nav.scrolled{background:rgba(5,6,15,.92)}
.marquee:hover .track{animation-play-state:paused}
.faq-item{transition:transform .25s,border-color .25s}
.faq-item.open{border-color:rgba(0,212,255,.35)}
.rec{animation:recBlink 1.6s infinite}
@keyframes recBlink{50%{opacity:.35}}
@media(prefers-reduced-motion:reduce){.reveal-hero .w,.shimmer,.dl-card,.dl-card::before,.btn-glow::after{animation:none!important}.reveal-hero .w{opacity:1;transform:none}.arrow{opacity:1}}

/* polish: lightbox nav, dots window, changelog, back-to-top, grain */
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.08);color:#fff;font-size:1.8rem;cursor:pointer;transition:.25s;z-index:3}
.lb-nav:hover{background:var(--grad);border-color:transparent}
.lb-prev{left:22px}.lb-next{right:22px}
.dots{max-width:100%;overflow:hidden}
.dotb{transition:.3s}
.dotb.more{opacity:.25}
.log{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.log div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center}
.log b{display:block;font-family:'Space Grotesk';font-size:1.15rem}
.log span{color:var(--dim);font-size:.82rem}
.top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:rgba(5,6,15,.8);backdrop-filter:blur(10px);color:#fff;font-size:1.3rem;cursor:pointer;opacity:0;pointer-events:none;transition:.3s;z-index:60}
.top.show{opacity:1;pointer-events:auto}
.top:hover{background:var(--grad);border-color:transparent}
.slide::before{content:'';position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E")}
.hero-card{transform-style:preserve-3d;will-change:transform}
@media(max-width:960px){.log{grid-template-columns:1fr 1fr}}

/* ===== playground: live scene layers ===== */
.dice{background:rgba(255,255,255,.07);border:1px solid var(--line);color:#fff;width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:1.05rem;transition:.25s;flex-shrink:0}
.dice:hover{transform:rotate(-14deg) scale(1.08);background:var(--grad);border-color:transparent}
.dice.spin{animation:diceSpin .55s cubic-bezier(.3,1.4,.4,1)}
@keyframes diceSpin{to{transform:rotate(360deg) scale(1.15)}}
.scene{height:190px}
.stars{position:absolute;inset:0;opacity:0;transition:opacity 1s;background-image:radial-gradient(1.5px 1.5px at 12% 22%,#fff,transparent),radial-gradient(1px 1px at 32% 12%,#fff,transparent),radial-gradient(1.5px 1.5px at 55% 28%,#fff,transparent),radial-gradient(1px 1px at 72% 15%,#fff,transparent),radial-gradient(2px 2px at 86% 30%,#fff,transparent),radial-gradient(1px 1px at 44% 32%,#fff,transparent);animation:twinkle 2.6s ease-in-out infinite alternate}
@keyframes twinkle{from{opacity:.25}to{opacity:1}}
.cloud{position:absolute;top:18px;width:90px;height:26px;border-radius:20px;background:rgba(255,255,255,.75);filter:blur(1px);opacity:.85;animation:drift 14s linear infinite}
.cloud::before{content:'';position:absolute;top:-14px;left:16px;width:44px;height:34px;border-radius:50%;background:inherit}
.cloud::after{content:'';position:absolute;top:-8px;right:12px;width:30px;height:24px;border-radius:50%;background:inherit}
.cloud.c1{left:-100px}.cloud.c2{left:-160px;top:52px;transform:scale(.7);animation-duration:22s;animation-delay:-8s}
@keyframes drift{to{transform:translateX(560px)}}.cloud.c2{animation-name:drift2}
@keyframes drift2{to{transform:translateX(600px) scale(.7)}}
.fog{position:absolute;left:0;right:0;bottom:24%;height:40px;background:linear-gradient(180deg,transparent,rgba(220,230,245,.55));opacity:0;transition:opacity .8s;filter:blur(4px)}
.rain{position:absolute;inset:0;opacity:0;transition:opacity .8s;background:repeating-linear-gradient(105deg,transparent 0 9px,rgba(180,210,255,.5) 9px 10px);background-size:200% 200%;animation:rainfall .5s linear infinite}
@keyframes rainfall{to{background-position:-28px 40px}}
.truck{position:absolute;bottom:8px;left:-70px;width:56px;height:22px;animation:drive 11s linear infinite}
.truck .cab{position:absolute;right:0;bottom:0;width:20px;height:22px;border-radius:3px 6px 2px 2px;background:linear-gradient(180deg,#37e0ff,#0e7fd8)}
.truck .cab::before{content:'';position:absolute;left:-34px;bottom:0;width:36px;height:14px;border-radius:2px;background:#2a3040}
.truck .beam{position:absolute;right:-34px;top:6px;width:38px;height:10px;background:linear-gradient(90deg,rgba(255,250,200,.85),transparent);clip-path:polygon(0 35%,100% 0,100% 100%,0 65%);opacity:0;transition:opacity .8s}
@keyframes drive{to{transform:translateX(560px)}}
/* playable range sliders, no words needed */
#playSliders .row{grid-template-columns:26px 1fr 34px;cursor:ew-resize}
#playSliders .row span{font-size:1.05rem;text-align:center;filter:saturate(1.2)}
#playSliders input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:34px;background:transparent;cursor:ew-resize;--fill:70%}
#playSliders input[type=range]::-webkit-slider-runnable-track{height:8px;border-radius:100px;background:linear-gradient(90deg,var(--c1) var(--fill),rgba(255,255,255,.12) var(--fill))}
#playSliders input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;margin-top:-9px;border-radius:50%;background:#fff;border:3px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;box-shadow:0 2px 12px rgba(0,212,255,.55);transition:transform .15s}
#playSliders input[type=range]:active::-webkit-slider-thumb{transform:scale(1.25)}
#playSliders input[type=range]::-moz-range-track{height:8px;border-radius:100px;background:rgba(255,255,255,.12)}
#playSliders input[type=range]::-moz-range-progress{height:8px;border-radius:100px;background:var(--grad)}
#playSliders input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--c1);box-shadow:0 2px 12px rgba(0,212,255,.55)}
#presetTabs .chip{font-size:1.15rem;padding:10px 18px}
@media(prefers-reduced-motion:reduce){.cloud,.truck,.rain,.stars{animation:none!important}.truck{display:none}}
/* ===== minigame v2: toast, score, match ring, watermark ===== */
.rec.demo{color:#8affc1;white-space:nowrap}
.rec.demo #scoreVal{color:#fff;font-weight:700}
.score-pop{animation:scorePop .5s cubic-bezier(.3,1.5,.4,1)}
@keyframes scorePop{40%{transform:scale(1.35)}}
.hero-card{position:relative}
.toast{position:absolute;top:64px;left:50%;transform:translate(-50%,-16px);background:rgba(5,8,18,.92);border:1px solid rgba(0,212,255,.45);color:#fff;font-size:.82rem;font-weight:600;padding:10px 20px;border-radius:100px;opacity:0;pointer-events:none;transition:.45s cubic-bezier(.2,.9,.3,1.2);z-index:10;white-space:nowrap;box-shadow:0 8px 30px rgba(0,212,255,.3)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.wm{position:absolute;top:10px;right:12px;font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55);background:rgba(0,0,0,.35);padding:4px 10px;border-radius:100px;z-index:3;pointer-events:none}
.match{display:flex;align-items:center;gap:10px;margin:16px 0 4px}
.match-bar{flex:1;height:8px;border-radius:100px;background:rgba(255,255,255,.1);overflow:hidden}
.match-bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:100px;transition:width .35s ease}
.match b{font-size:.85rem;min-width:42px;text-align:right}
.match-hint{font-size:.72rem;color:var(--dim)}
.match.done .match-bar i{background:linear-gradient(90deg,#22e07a,#00d4ff)}