:root{
  --bg:#07080B; --bg2:#0E1016; --ink:#ECEEF3; --mute:#8A90A0; --line:rgba(236,238,243,.12);
  --g1:#E8463C; --g2:#E8463C; --gs:rgba(232,70,60,.35);
  --disp:'Advent Pro',system-ui,sans-serif; --sans:'Fira Sans',system-ui,sans-serif;
}
body[data-glow="blue"]{--g1:#3D7BFF;--g2:#3D7BFF;--gs:rgba(61,123,255,.35)}
body[data-glow="both"]{--g1:#E8463C;--g2:#3D7BFF;--gs:rgba(150,90,200,.32)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-snap-type:y proximity}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:300;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

.ad{position:relative;z-index:40;background:#14161D;color:#B9BECC;font-size:.78rem;text-align:center;padding:9px 16px;border-bottom:1px solid var(--line)}
.ad span{font-family:var(--disp);font-weight:600;letter-spacing:.24em;color:#fff;margin-right:6px}
.ad button{text-decoration:underline;text-underline-offset:3px;font-size:inherit;margin-left:6px}
.hd{position:fixed;top:44px;left:0;right:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:0 clamp(18px,4vw,48px);pointer-events:none}
.hd>*{pointer-events:auto}
.logo{font-family:var(--disp);font-weight:600;letter-spacing:.42em;font-size:1rem;text-decoration:none;display:flex;align-items:center;gap:10px}
.logo i{width:8px;height:8px;border-radius:50%;background:var(--g1);box-shadow:0 0 14px 4px var(--gs);transition:background .6s,box-shadow .6s}
.hd-buy{font-size:.8rem;text-decoration:none;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(7,8,11,.6);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}

.dots{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:30;display:flex;flex-direction:column;gap:14px}
.dots a{display:flex;align-items:center;justify-content:flex-end;gap:10px;text-decoration:none}
.dots a::after{content:"";width:8px;height:8px;border-radius:50%;border:1px solid var(--mute);transition:all .3s}
.dots a span{font-size:.7rem;color:var(--mute);opacity:0;transition:opacity .3s}
.dots a:hover span,.dots a.on span{opacity:1}
.dots a.on::after{background:var(--g1);border-color:var(--g1);box-shadow:0 0 10px 2px var(--gs)}

.scene{position:relative;min-height:100vh;scroll-snap-align:start;padding:clamp(110px,14vh,150px) clamp(20px,6vw,100px) clamp(70px,10vh,110px);display:flex;flex-direction:column;justify-content:center;gap:22px;overflow:hidden}
.scene::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 70% 50%,var(--gs),transparent 70%);opacity:.55;pointer-events:none;transition:background .8s}
.scene>*{position:relative}
.over{font-family:var(--disp);font-weight:400;font-size:.8rem;letter-spacing:.3em;text-transform:uppercase;color:var(--mute)}
h1,h2,h3{font-family:var(--disp);font-weight:200;letter-spacing:-.01em;line-height:.98}
h1{font-size:clamp(3.6rem,10vw,9rem)}
h2{font-size:clamp(2.4rem,5.6vw,5rem);max-width:14em}
h3{font-size:1.8rem;font-weight:400}
h1 span,h2 span{color:var(--g1);text-shadow:0 0 30px var(--gs);transition:color .6s}
.lead{font-size:1.08rem;color:#C3C8D4;max-width:36em}
.tiny{font-size:.76rem;color:var(--mute);max-width:40em}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row.c{justify-content:center}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;background:var(--ink);color:var(--bg);font-weight:500;font-size:.9rem;text-decoration:none;border:1px solid var(--ink);transition:all .3s}
.btn:hover{background:transparent;color:var(--ink);box-shadow:0 0 24px -4px var(--gs)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.big{padding:18px 30px;font-size:1rem}
.price{color:var(--mute);font-size:.86rem}
.price b{font-family:var(--disp);font-weight:400;font-size:1.6rem;color:var(--ink);margin-left:6px}

/* mask */
.mask-wrap{display:flex;align-items:center;justify-content:center}
.mask{width:min(360px,70vw);height:auto;overflow:visible}
.mask .shell{fill:#111318;stroke:#2A2E38;stroke-width:1.2}
.mask .eye{fill:var(--bg);stroke:#2A2E38}
.mask .led{transition:fill .6s,opacity .3s}
.mask .led.a{fill:var(--g1)}
.mask .led.b{fill:var(--g2)}
.mask .glow{filter:blur(6px);opacity:.75}
.mask.off .led{fill:#262A33}
.mask.off .glow{opacity:0}
.mask .pulse{animation:pl 3.2s ease-in-out infinite}
@keyframes pl{50%{opacity:.45}}

.s-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:40px}
.s-intro .mask-wrap{order:2}
.intro-copy{display:flex;flex-direction:column;gap:22px}
.s-modes{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:40px}
.s-modes .modes-copy{display:flex;flex-direction:column;gap:20px}
.mode-btns{display:flex;gap:10px;flex-wrap:wrap}
.mode-btns button{display:flex;align-items:center;gap:10px;padding:12px 18px;border:1px solid var(--line);border-radius:999px;font-size:.9rem;transition:all .3s}
.mode-btns button i{width:12px;height:12px;border-radius:50%}
.mode-btns [data-g="red"] i{background:#E8463C;box-shadow:0 0 10px #E8463C}
.mode-btns [data-g="blue"] i{background:#3D7BFF;box-shadow:0 0 10px #3D7BFF}
.mode-btns [data-g="both"] i{background:linear-gradient(90deg,#E8463C 50%,#3D7BFF 50%)}
.mode-btns button.on{border-color:var(--ink);background:rgba(236,238,243,.06)}
.mode-info{min-height:8.5em;max-width:34em;color:#C3C8D4;border-left:2px solid var(--g1);padding-left:16px;transition:border-color .6s}
.mode-info b{display:block;font-family:var(--disp);font-weight:400;font-size:1.4rem;color:var(--ink);margin-bottom:4px}

.s-session{align-items:center;text-align:center}
.s-session h2{margin:0 auto}
.ring{position:relative;width:min(300px,70vw);aspect-ratio:1}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.r-bg{fill:none;stroke:var(--line);stroke-width:2}
.r-fg{fill:none;stroke:var(--g1);stroke-width:4;stroke-linecap:round;stroke-dasharray:679;stroke-dashoffset:0;filter:drop-shadow(0 0 8px var(--g1));transition:stroke .6s}
.ring-read{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-read b{font-family:var(--disp);font-weight:200;font-size:4.6rem;line-height:1}
.ring-read span{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--mute)}
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:1000px;margin-top:20px;text-align:left}
.steps li{border-top:1px solid var(--line);padding-top:12px;font-size:.9rem;color:#C3C8D4}
.steps b{display:block;font-family:var(--disp);font-weight:400;color:var(--g1);font-size:1.1rem}

.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:1100px}
.cards article{background:rgba(236,238,243,.04);border:1px solid var(--line);border-radius:18px;padding:26px}
.cards b{font-family:var(--disp);font-weight:200;font-size:3.6rem;line-height:1;color:var(--g1);text-shadow:0 0 24px var(--gs)}
.cards p{margin:8px 0;color:#C3C8D4;font-size:.94rem}
.cards em{font-style:normal;font-size:.8rem;color:var(--mute)}
.split2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;max-width:1100px}
.split2 h3{border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:8px}
.split2 ul{list-style:none}
.split2 li{padding:10px 0;border-bottom:1px solid var(--line);color:#C3C8D4;font-size:.95rem}

.film{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px 2px 20px;scrollbar-width:thin;scrollbar-color:#2A2E38 transparent;max-width:100%}
.film figure{position:relative;flex:0 0 min(340px,72vw);aspect-ratio:3/4;border-radius:20px;overflow:hidden;background:linear-gradient(160deg,#171A22,#0B0C10);scroll-snap-align:start;border:1px solid var(--line)}
.film img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.fb{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--disp);letter-spacing:.24em;text-transform:uppercase;font-size:.8rem;color:var(--mute)}
.err img{display:none}
.film-nav{display:flex;gap:10px}
.film-nav button{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);font-size:1.1rem;transition:all .3s}
.film-nav button:hover{border-color:var(--ink)}

.yn{list-style:none;max-width:900px;border-top:1px solid var(--line)}
.yn li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.yn p{color:#C3C8D4}
.yn div{display:flex;flex:none;border:1px solid var(--line);border-radius:999px;padding:3px}
.yn button{padding:7px 14px;border-radius:999px;font-size:.84rem;transition:all .25s}
.yn button.on[data-v="0"]{background:var(--ink);color:var(--bg)}
.yn button.on[data-v="1"]{background:#C2412F;color:#fff}
.verdict{max-width:900px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:20px 22px;border-radius:18px;background:rgba(236,238,243,.05);border:1px solid var(--line)}
.verdict p{max-width:40em;color:#C3C8D4}
.verdict.stop{border-color:#C2412F;background:rgba(194,65,47,.1)}
.verdict.stop .btn{display:none}

.faq{max-width:800px;margin-top:20px}
.faq details{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:14px 28px 14px 0;position:relative;font-weight:400}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;color:var(--g1);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding-bottom:14px;color:#AEB4C2;font-size:.94rem}

.foot{padding:60px clamp(20px,6vw,100px) 40px;border-top:1px solid var(--line);font-size:.84rem;color:var(--mute);display:flex;flex-direction:column;gap:12px}
.foot .disc{max-width:60em;line-height:1.75}
.foot .disc b{color:var(--ink);font-weight:500}
.foot nav{display:flex;gap:16px;flex-wrap:wrap}
.foot nav button{text-decoration:underline;text-underline-offset:3px}
.fine{font-family:var(--disp);letter-spacing:.2em;text-transform:uppercase;font-size:.66rem}

dialog{border:1px solid var(--line);border-radius:20px;background:#101218;color:var(--ink);max-width:560px;width:calc(100% - 28px);padding:28px;margin:auto}
dialog::backdrop{background:rgba(0,0,0,.7)}
dialog h3{font-size:2rem;margin-bottom:8px}
dialog h4{font-family:var(--disp);font-weight:400;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--g1);margin:14px 0 4px}
dialog p{color:#C3C8D4;font-size:.93rem}
dialog .btn{margin-top:18px}

@media (max-width:900px){
  html{scroll-snap-type:none}
  .dots{display:none}
  .hd{position:relative;top:0;padding:14px 20px;background:var(--bg)}
  .scene{padding-top:60px}
  .s-intro,.s-modes{grid-template-columns:minmax(0,1fr)}
  .s-intro .mask-wrap{order:0}
  .scene{min-height:0}
  .cards,.split2{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
}
@media (max-width:560px){
  .yn li{flex-direction:column;align-items:flex-start}
  .steps{grid-template-columns:minmax(0,1fr)}
  .mask{width:min(260px,70vw)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}