/* ===== Fonts (self-hosted, SIL OFL) ===== */
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/inter-tight-cyrillic-400-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/inter-tight-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/inter-tight-cyrillic-600-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/inter-tight-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/inter-tight-cyrillic-700-normal.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/inter-tight-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter Tight";font-style:italic;font-weight:800;font-display:swap;src:url(../fonts/inter-tight-cyrillic-800-italic.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Inter Tight";font-style:italic;font-weight:800;font-display:swap;src:url(../fonts/inter-tight-latin-800-italic.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter Tight";font-style:italic;font-weight:900;font-display:swap;src:url(../fonts/inter-tight-cyrillic-900-italic.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Inter Tight";font-style:italic;font-weight:900;font-display:swap;src:url(../fonts/inter-tight-latin-900-italic.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Figtree";font-style:italic;font-weight:900;font-display:swap;src:url(../fonts/figtree-latin-900-italic.woff2) format("woff2")}

/* ===== Tokens ===== */
:root{--bg:#171717;--bg2:#1e1e1e;--card:#232323;--line:#303030;--tx:#fff;--mut:#a6a6a6;--ac:#C6FF34;--acd:#0f0f0f;--err:#ff8080}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{background:var(--bg);color:var(--tx);font-family:"Inter Tight",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:3px solid var(--ac);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ac);color:var(--acd);font-weight:700;padding:10px 16px;border-radius:10px}
.skip:focus{top:12px}
.w{max-width:1120px;margin:0 auto;padding:0 16px}
section{padding:88px 0}
h1,h2,h3{font-weight:900;font-style:italic;letter-spacing:-.02em;line-height:1.04}
h1{font-size:clamp(40px,7.2vw,84px)}
h2{font-size:clamp(32px,5vw,56px);margin-bottom:16px}
h3{font-size:22px;font-weight:800}
.ac{color:var(--ac)}
.lead{color:var(--mut);font-size:clamp(17px,2vw,20px);max-width:720px}
.c{text-align:center}.c .lead{margin:0 auto}
.kick{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ac);margin-bottom:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--ac);color:var(--acd);font-weight:700;font-size:17px;font-family:inherit;padding:18px 34px;border-radius:999px;border:0;cursor:pointer;box-shadow:0 0 0 8px rgba(198,255,52,.08);transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn[disabled]{opacity:.6;cursor:wait;transform:none}
.btn-o{background:transparent;color:var(--tx);border:1px solid #555;box-shadow:none}
.micro{color:var(--mut);font-size:15px;margin-top:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.mid-cta{text-align:center;margin-top:48px}
.alt{background:var(--bg2)}

/* header */
header.top{position:sticky;top:0;z-index:20;background:rgba(23,23,23,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:"Figtree","Inter Tight",sans-serif;font-size:28px;font-weight:900;font-style:italic;letter-spacing:-.03em}
.logo img{width:34px;height:auto}
.links{display:flex;gap:28px;font-size:14px;font-weight:600;color:var(--mut)}
.links a:hover{color:var(--tx)}
.nav .btn{padding:11px 20px;font-size:14px;box-shadow:none}

/* hero */
.hero{padding:72px 0 88px;background:radial-gradient(ellipse 70% 55% at 50% 0%,rgba(198,255,52,.16),transparent 70%)}
.hero h1{margin-bottom:22px}
.hero .lead+.btn{margin-top:30px}
.nav .btn .sm{display:none}
.vtitle{margin-top:48px;font-size:16px;color:var(--mut)}
.video{position:relative;display:grid;place-items:center;width:100%;max-width:880px;margin:16px auto 0;aspect-ratio:16/9;border-radius:22px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,#222,#111) center/cover;color:var(--mut);font:inherit;cursor:pointer;padding:0}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vposter{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.play{position:absolute;z-index:1;right:4%;bottom:2.5%;width:76px;height:76px;border-radius:50%;background:var(--ac);display:grid;place-items:center;box-shadow:0 0 0 10px rgba(198,255,52,.18),0 8px 30px rgba(0,0,0,.5);transition:transform .15s}
.video:hover .play{transform:scale(1.06)}
.play:after{content:"";border-left:24px solid var(--acd);border-top:15px solid transparent;border-bottom:15px solid transparent;margin-left:6px}
.vcap{position:absolute;bottom:18px;left:22px;right:22px;font-size:14px;text-align:left}
.tags{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;margin:22px 0 0;font-size:15px;color:var(--mut);list-style:none}
.tags li:before{content:"• ";color:var(--ac)}

/* pains */
.pain{display:flex;gap:16px;align-items:flex-start}
.pain .n{flex:none;width:36px;height:36px;border-radius:10px;background:rgba(198,255,52,.1);color:var(--ac);display:grid;place-items:center;font-weight:700}
.pain b{display:block;font-weight:600}
.pain span.d{display:block;color:var(--mut);font-size:16px;margin-top:4px}

/* pairs */
.pair{display:grid;grid-template-columns:1fr 1fr 1fr;padding:0;overflow:hidden}
.pair>div{padding:22px 24px}
.pair>div+div{border-left:1px solid var(--line)}
.pair small{display:block;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);margin-bottom:6px}
.pair .r{background:rgba(198,255,52,.06)}
.pair .r b{color:var(--ac)}

/* steps */
.step .n{font-size:48px;font-weight:900;font-style:italic;color:var(--ac);line-height:1;margin-bottom:12px}
.step p{color:var(--mut);margin-top:8px;font-size:16px}
.step .t{display:inline-block;margin-top:14px;font-size:13px;font-weight:600;border:1px solid var(--line);border-radius:999px;padding:4px 12px}

/* for/not */
.fit ul{list-style:none;display:grid;gap:14px;margin-top:18px}
.fit li{padding-left:32px;position:relative}
.fit li:before{position:absolute;left:0;top:0;font-weight:700}
.yes li:before{content:"✓";color:var(--ac)}
.no li:before{content:"✕";color:var(--err)}
.no{background:var(--bg2)}

/* about */
.about{max-width:860px}
.brand{display:inline-flex;align-items:center;gap:14px;margin-bottom:24px;padding:12px 20px 12px 14px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.brand img{width:44px;flex:none}
.brand>span{display:flex;flex-direction:column;line-height:1;white-space:nowrap}
.brand b{font-family:"Figtree","Inter Tight",sans-serif;font-size:26px;font-weight:900;font-style:italic;letter-spacing:-.03em}
.brand small{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ac);margin-top:6px}
.facts{display:grid;gap:12px;margin:24px 0;list-style:none}
.facts li{border-left:3px solid var(--ac);padding-left:14px}

/* cases */
.case .v{display:block;font-size:30px;font-weight:900;font-style:italic;color:var(--ac);line-height:1.1;margin:8px 0}
.case .k{font-size:13px;font-weight:600;font-style:normal;letter-spacing:.1em;line-height:1.4;text-transform:uppercase;color:var(--mut)}
.case p{color:var(--mut);font-size:16px;margin-top:8px}

/* faq */
details{border-bottom:1px solid var(--line);padding:22px 0}
summary{cursor:pointer;font-weight:700;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--ac);font-size:26px;line-height:1}
details[open] summary:after{content:"–"}
details p{color:var(--mut);margin-top:12px}

/* quiz */
.quiz{max-width:640px;margin:40px auto 0;text-align:left}
.qhead{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--mut);margin-bottom:10px}
.bar{height:6px;background:var(--line);border-radius:9px;overflow:hidden;margin-bottom:24px}
.bar i{display:block;height:100%;width:16%;background:var(--ac);transition:width .3s}
fieldset.q{display:none;border:0}
fieldset.q.on{display:block}
fieldset.q legend{font-size:22px;font-weight:800;font-style:italic;letter-spacing:-.02em;margin-bottom:18px;padding:0}
.opt{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:14px;padding:15px 18px;margin-bottom:10px;cursor:pointer;font-weight:600}
.opt:hover,.opt:focus-within{border-color:var(--ac)}
.opt input{width:18px;height:18px;accent-color:var(--ac);flex:none}
.fld{width:100%;background:var(--bg);border:1px solid #444;border-radius:14px;padding:15px 18px;color:var(--tx);font:inherit;margin-bottom:10px}
.fld::placeholder{color:#8c8c8c}
.fld:focus{outline:2px solid var(--ac);border-color:transparent}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--mut);margin:8px 0 4px;cursor:pointer}
.consent input{width:18px;height:18px;margin-top:2px;accent-color:var(--ac);flex:none}
.consent a{color:var(--tx);text-decoration:underline}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.err{color:var(--err);font-size:14px;min-height:20px;margin-top:6px}
.qnav{display:flex;justify-content:space-between;align-items:center;margin-top:16px}
.back{background:none;border:0;color:var(--mut);font:inherit;cursor:pointer;padding:8px}
.ok{display:none;text-align:center;padding:20px 0}

/* footer */
footer{border-top:1px solid var(--line);padding:40px 0 110px;color:var(--mut);font-size:14px}
.foot{display:grid;gap:18px}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center}
.foot a{text-decoration:underline;text-underline-offset:3px}
.foot a:hover{color:var(--tx)}
.foot nav{display:flex;flex-wrap:wrap;gap:8px 18px}
.linkbtn{background:none;border:0;color:inherit;font:inherit;text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:0}
.sticky{display:none}

/* cookie banner */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;max-width:560px;background:#202020;border:1px solid #444;border-radius:18px;padding:20px;box-shadow:0 10px 40px rgba(0,0,0,.5);display:none}
.cookie.on{display:block}
.cookie p{font-size:14px;color:#cfcfcf;margin-bottom:14px}
.cookie p a{color:var(--tx);text-decoration:underline}
.cookie .row{display:flex;gap:10px;flex-wrap:wrap}
.cookie .btn{flex:1 1 160px;padding:12px 18px;font-size:15px;box-shadow:none}

/* legal pages */
.legal{max-width:820px;padding:56px 16px 96px;margin:0 auto}
.legal h1{font-size:clamp(32px,5vw,48px);margin-bottom:10px}
.legal h2{font-size:24px;margin:36px 0 10px}
.legal p,.legal li{color:#d4d4d4;margin-bottom:10px}
.legal ul{padding-left:22px}
.legal a{color:var(--ac);text-decoration:underline}
.legal .upd{color:var(--mut);font-size:14px;margin-bottom:28px}
.todo{background:rgba(255,128,128,.12);border:1px dashed var(--err);border-radius:6px;padding:0 4px;color:#ffd0d0}

@media(max-width:820px){
 section{padding:64px 0}
 .links{display:none}
 .pair{grid-template-columns:1fr}
 .pair>div+div{border-left:0;border-top:1px solid var(--line)}
 .sticky{display:block;position:fixed;left:16px;right:16px;bottom:14px;z-index:30}
 .sticky .btn{width:100%}
 .play{width:46px;height:46px;right:auto;left:calc(50% - 23px);bottom:3%;box-shadow:0 0 0 6px rgba(198,255,52,.18),0 6px 20px rgba(0,0,0,.5)}
 .play:after{border-left-width:15px;border-top-width:9px;border-bottom-width:9px;margin-left:4px}
 .cookie{bottom:10px;left:10px;right:10px;padding:12px 14px;border-radius:14px}
 .cookie p{font-size:13px;line-height:1.4;margin-bottom:10px}
 .cookie .row{flex-wrap:nowrap;gap:8px}
 .cookie .btn{flex:1 1 0;padding:9px 12px;font-size:14px}
 .nav .btn .lg{display:none}
 .nav .btn .sm{display:inline}
 .sticky .btn{font-size:15px;padding:15px 16px;line-height:1.25;text-align:center}
 .hero .lead+.btn{margin-top:22px;font-size:16px;padding:16px 22px;line-height:1.3;text-align:center}
}
@media(max-width:440px){
 .nav .logo{font-size:0;gap:0}
 .nav .btn{white-space:nowrap;font-size:13px;padding:10px 14px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}