:root{--k-bg:#02050a;--k-bg-2:#06111d;--k-panel:#071521e8;--k-panel-strong:#091a29f2;--k-line:#35e8d22b;--k-line-strong:#35e8d25c;--k-line-soft:#ffffff12;--k-text:#f6fbff;--k-muted:#91a7b8;--k-green:#18ffb2;--k-cyan:#27dfff;--k-blue:#4f7cff;--k-violet:#a684ff;--k-amber:#ffcc66;--k-red:#ff5577;--k-shadow:0 30px 100px #0009;--k-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.koschei-v2{color:var(--k-text);background:radial-gradient(circle at 7% -8%,#18ffb225,transparent 31%),radial-gradient(circle at 94% 4%,#7f63ff22,transparent 28%),linear-gradient(145deg,var(--k-bg),var(--k-bg-2) 56%,#02050a);position:relative;isolation:isolate}
.koschei-v2:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background-image:linear-gradient(#ffffff05 1px,transparent 1px),linear-gradient(90deg,#ffffff05 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,#0007,transparent 78%)}
.koschei-v2:after{content:"";position:fixed;inset:auto -20vw -45vh;z-index:-1;height:70vh;pointer-events:none;background:radial-gradient(circle,#18ffb218,transparent 66%);filter:blur(30px)}
.koschei-v2 .page,.koschei-v2 .wrap,.koschei-v2 .shell{width:min(1240px,calc(100% - 28px));padding-top:18px}
.koschei-v2 .surface,.koschei-v2 .card,.koschei-v2 .panel,.koschei-v2 .lane,.koschei-v2 .reportbox,.koschei-v2 .scanner{border-color:var(--k-line);background:linear-gradient(145deg,#0b1a27ef,#050a11ed);box-shadow:var(--k-shadow),inset 0 1px #ffffff08,inset 0 0 44px #27dfff05;backdrop-filter:blur(18px)}
.koschei-v2 .top{position:sticky;top:10px;z-index:30;padding:10px 12px;border:1px solid var(--k-line);border-radius:22px;background:#050c14e8;box-shadow:0 18px 60px #0009;backdrop-filter:blur(24px)}
.koschei-v2 .brand{font-weight:1000;letter-spacing:-.02em}.koschei-v2 .mark,.koschei-v2 .logo{position:relative;overflow:hidden;box-shadow:0 0 0 1px #ffffff25,0 14px 32px #18ffb227}.koschei-v2 .mark:after,.koschei-v2 .logo:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,#fff7,transparent 42%);pointer-events:none}
.koschei-v2 .btn,.koschei-v2 button{transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}.koschei-v2 .btn:hover,.koschei-v2 button:hover{transform:translateY(-1px);border-color:var(--k-line-strong);box-shadow:0 10px 30px #0006}.koschei-v2 .btn.primary,.koschei-v2 button.primary,.koschei-v2 .run{box-shadow:0 14px 34px #18ffb21d;background:linear-gradient(135deg,var(--k-green),var(--k-cyan))}.koschei-v2 .btn.hot{background:linear-gradient(135deg,#f7fbff,var(--k-violet));box-shadow:0 14px 34px #a684ff24}
.koschei-v2 h1,.koschei-v2 .big{font-weight:1000;letter-spacing:-.07em;text-wrap:balance}.koschei-v2 h2{letter-spacing:-.045em;text-wrap:balance}.koschei-v2 .gradient{background:linear-gradient(125deg,#fff 3%,#caffef 43%,#77e7ff 70%,#c9baff);-webkit-background-clip:text;background-clip:text;color:transparent}.koschei-v2 .eyebrow{color:#b8fff0;border-color:#18ffb23d;background:#18ffb20d;box-shadow:inset 0 0 20px #18ffb20a}.koschei-v2 .muted,.koschei-v2 .sub{color:var(--k-muted)}
.koschei-v2 .hero,.koschei-v2 .hero-grid{position:relative}.koschei-v2 .hero>article,.koschei-v2 .hero>aside,.koschei-v2 .hero.surface{overflow:hidden}.koschei-v2 .hero>article:before,.koschei-v2 .hero.surface:before{content:"";position:absolute;inset:-35% 45% auto -15%;height:420px;background:radial-gradient(circle,#18ffb21f,transparent 68%);pointer-events:none}.koschei-v2 .hero h1{max-width:900px}
.koschei-v2 input,.koschei-v2 textarea,.koschei-v2 select{border-color:#ffffff18;background:#01060bdc;box-shadow:inset 0 1px 0 #ffffff08;transition:border-color .18s ease,box-shadow .18s ease}.koschei-v2 input:focus,.koschei-v2 textarea:focus,.koschei-v2 select:focus{border-color:#27dfff70;box-shadow:0 0 0 4px #27dfff12,inset 0 1px 0 #ffffff08}.koschei-v2 textarea::placeholder,.koschei-v2 input::placeholder{color:#6f8797}
.koschei-v2 .proof,.koschei-v2 .metrics,.koschei-v2 .statgrid{gap:12px}.koschei-v2 .metric,.koschei-v2 .stat{position:relative;overflow:hidden;background:linear-gradient(145deg,#ffffff0c,#ffffff05);border-color:#ffffff14}.koschei-v2 .metric:after,.koschei-v2 .stat:after{content:"";position:absolute;inset:auto -25px -35px auto;width:90px;height:90px;border-radius:50%;background:#27dfff0c}.koschei-v2 .metric b,.koschei-v2 .stat strong{letter-spacing:-.04em}.koschei-v2 .card{transition:transform .2s ease,border-color .2s ease}.koschei-v2 .card:hover{transform:translateY(-2px);border-color:#35e8d247}
.koschei-v2 .statement{position:relative;overflow:hidden;border-color:#18ffb250;background:linear-gradient(135deg,#18ffb214,#27dfff0b);font-weight:850}.koschei-v2 .statement:after{content:"KOSCHEI";position:absolute;right:18px;bottom:-12px;color:#ffffff05;font-size:58px;font-weight:1000;letter-spacing:-.07em}
.product-masthead{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(310px,.75fr);gap:16px;align-items:stretch}.product-masthead>article,.product-masthead>aside{padding:clamp(24px,4vw,48px);border-radius:34px}.product-proofline{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.evidence-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 11px;border:1px solid #ffffff14;border-radius:999px;background:#ffffff08;color:#d7e8f1;font:850 11px var(--k-mono)}.evidence-chip:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--k-green);box-shadow:0 0 13px var(--k-green)}.evidence-chip.warn:before{background:var(--k-amber);box-shadow:0 0 13px var(--k-amber)}
.signal-stack{display:grid;gap:10px;height:100%}.signal-card{padding:16px;border:1px solid #ffffff14;border-radius:20px;background:linear-gradient(145deg,#ffffff0b,#ffffff05)}.signal-card strong{display:block;font-size:16px}.signal-card span{display:block;margin-top:5px;color:var(--k-muted);font-size:13px;line-height:1.5}.signal-card .signal-value{font-size:clamp(27px,4vw,42px);color:var(--k-green);font-weight:1000;letter-spacing:-.05em}.signal-card.critical{border-color:#ff55774a;background:linear-gradient(145deg,#ff557712,#ffffff05)}.signal-card.critical .signal-value{color:var(--k-red)}
.product-section{margin-top:28px}.product-section-head{display:flex;justify-content:space-between;gap:20px;align-items:end}.product-section-head>div{max-width:760px}.product-section-head p{margin-top:8px;color:var(--k-muted);line-height:1.65}.case-flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:16px}.case-step{position:relative;min-height:170px;padding:18px;border:1px solid #ffffff14;border-radius:22px;background:linear-gradient(145deg,#ffffff0a,#ffffff04)}.case-step:not(:last-child):after{content:"→";position:absolute;right:-13px;top:50%;z-index:2;width:26px;height:26px;display:grid;place-items:center;border:1px solid var(--k-line);border-radius:50%;background:#07131d;color:var(--k-cyan);font-weight:1000}.case-step small{display:block;color:#8fffe5;font:900 10px var(--k-mono);letter-spacing:.1em;text-transform:uppercase}.case-step b{display:block;margin-top:10px;font-size:18px}.case-step p{margin-top:8px;color:var(--k-muted);font-size:13px;line-height:1.55}.case-step .step-no{display:grid;place-items:center;width:36px;height:36px;margin-bottom:14px;border-radius:12px;background:linear-gradient(135deg,var(--k-green),var(--k-cyan));color:#02100d;font-weight:1000}
.tier-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:16px}.tier-card{position:relative;display:flex;flex-direction:column;min-height:310px;padding:20px;border:1px solid #ffffff14;border-radius:24px;background:linear-gradient(145deg,#ffffff0a,#ffffff04)}.tier-card.featured{border-color:#18ffb250;background:linear-gradient(145deg,#18ffb214,#27dfff08)}.tier-card.enterprise{border-color:#a684ff55;background:linear-gradient(145deg,#a684ff15,#ffffff04)}.tier-card .tier-name{font-size:25px;font-weight:1000;letter-spacing:-.04em}.tier-card .tier-kicker{margin-top:5px;color:#8fffe5;font:900 10px var(--k-mono);text-transform:uppercase;letter-spacing:.1em}.tier-card p{margin-top:13px;color:var(--k-muted);line-height:1.55}.tier-card ul{display:grid;gap:8px;margin:16px 0 0;padding:0;list-style:none}.tier-card li{position:relative;padding-left:20px;color:#d7e8f1;font-size:13px;line-height:1.45}.tier-card li:before{content:"✓";position:absolute;left:0;color:var(--k-green);font-weight:1000}.tier-card .tier-foot{margin-top:auto;padding-top:18px;color:#9bb1bf;font:800 10px var(--k-mono);text-transform:uppercase}
.proof-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.proof-item{padding:20px;border:1px solid #ffffff14;border-radius:22px;background:#ffffff06}.proof-item .proof-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:#27dfff12;border:1px solid #27dfff33;color:var(--k-cyan);font-weight:1000}.proof-item b{display:block;margin-top:14px;font-size:17px}.proof-item p{margin-top:7px;color:var(--k-muted);font-size:13px;line-height:1.55}.product-note{padding:18px;border:1px solid #ffcc6645;border-radius:20px;background:linear-gradient(135deg,#ffcc6610,#ff557708);color:#f7e8bb;line-height:1.6}.product-footer{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-top:28px;padding:20px 0 84px;border-top:1px solid var(--k-line);color:var(--k-muted);font-size:13px}.product-footer nav{display:flex;gap:12px;flex-wrap:wrap}.product-footer a:hover{color:var(--k-text)}
.koschei-v2 [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}.koschei-v2 [data-reveal].is-visible{opacity:1;transform:none}.live-indicator{display:inline-flex;align-items:center;gap:8px}.live-indicator:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--k-amber);box-shadow:0 0 12px var(--k-amber)}.live-indicator.is-live:before{background:var(--k-green);box-shadow:0 0 12px var(--k-green)}
@media(max-width:1050px){.product-masthead,.koschei-v2 .hero,.koschei-v2 .hero-grid{grid-template-columns:1fr}.case-flow{grid-template-columns:repeat(2,1fr)}.case-step:last-child{grid-column:1/-1}.tier-grid{grid-template-columns:repeat(2,1fr)}.proof-wall{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.koschei-v2 .page,.koschei-v2 .wrap,.koschei-v2 .shell{width:calc(100% - 14px);padding-top:8px}.koschei-v2 .top{top:6px;align-items:flex-start;flex-direction:column}.koschei-v2 .nav,.koschei-v2 .actions{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px}.koschei-v2 .nav .btn,.koschei-v2 .actions .btn{flex:0 0 auto}.product-masthead>article,.product-masthead>aside{padding:22px;border-radius:26px}.case-flow,.tier-grid,.proof-wall{grid-template-columns:1fr}.case-step:last-child{grid-column:auto}.case-step:not(:last-child):after{content:"↓";right:50%;top:auto;bottom:-17px;transform:translateX(50%)}.product-section-head{align-items:flex-start;flex-direction:column}.product-footer{align-items:flex-start;flex-direction:column}.koschei-v2 h1,.koschei-v2 .big{font-size:clamp(40px,14vw,64px)}.koschei-v2 .policy,.koschei-v2 .metrics,.koschei-v2 .statgrid{grid-template-columns:1fr}.koschei-v2 .feed,.koschei-v2 .two-col,.koschei-v2 .layout,.koschei-v2 .form,.koschei-v2 .summary{grid-template-columns:1fr}.koschei-v2 .module-grid{grid-template-columns:1fr}.koschei-v2 .reportbox{padding:14px}}
@media(prefers-reduced-motion:reduce){.koschei-v2 *{scroll-behavior:auto!important;transition:none!important;animation:none!important}.koschei-v2 [data-reveal]{opacity:1;transform:none}}