:root{--navy:#0b132b;--blue:#3b82f6;--cyan:#06b6d4;--slate:#94a3b8;--light:#f8fafc;--ink:#101b35;--muted:#64748b;--line:#dce4f0;--panel:#fff;--page:#f4f7fb;--shadow:0 24px 70px rgba(11,19,43,.12);color-scheme:light}
html[data-theme="dark"]{--ink:#f8fafc;--muted:#94a3b8;--line:rgba(148,163,184,.18);--panel:#101a36;--page:#080f22;--shadow:0 28px 80px rgba(0,0,0,.32);color-scheme:dark}
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.site-header{height:76px;max-width:1240px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:relative;z-index:10}.brand{display:flex;align-items:center;gap:10px;font-weight:760;letter-spacing:-.02em}.brand img{border-radius:10px}.brand i{font-size:11px;font-style:normal;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);border-left:1px solid var(--line);padding-left:10px}.site-header nav{display:flex;align-items:center;gap:26px}.site-header nav>a{font-size:14px;color:var(--muted);font-weight:650;transition:color .2s}.site-header nav>a:hover{color:var(--ink)}.theme-toggle{width:54px;height:30px;border:1px solid var(--line);border-radius:999px;background:var(--panel);position:relative;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:0 7px;color:var(--muted)}.theme-toggle:after{content:"";position:absolute;width:22px;height:22px;left:3px;top:3px;border-radius:50%;background:var(--blue);transition:transform .25s}.theme-toggle span{font-size:14px;z-index:1;line-height:1}.theme-toggle .moon{color:white}html[data-theme="light"] .theme-toggle:after{transform:translateX(25px)}html[data-theme="light"] .theme-toggle .sun{color:white}html[data-theme="light"] .theme-toggle .moon{color:var(--muted)}
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.hero-visual{position:relative;min-height:460px;display:flex;align-items:center;justify-content:center;isolation:isolate}.orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.65;z-index:-1}.orb-one{width:330px;height:330px;background:radial-gradient(circle,rgba(6,182,212,.25),transparent 68%);top:15px;right:0}.orb-two{width:370px;height:370px;background:radial-gradient(circle,rgba(59,130,246,.22),transparent 68%);bottom:-35px;left:15px}.hero-card{width:min(100%,620px);height:350px;border:1px solid rgba(148,163,184,.18);background:#0d1731;border-radius:24px;box-shadow:0 35px 90px rgba(0,0,0,.35);overflow:hidden;transform:perspective(1000px) rotateY(-4deg) rotateX(2deg)}.window-bar{height:52px;border-bottom:1px solid rgba(148,163,184,.14);display:flex;align-items:center;padding:0 17px;gap:7px}.window-bar>span{width:8px;height:8px;border-radius:50%;background:#24304c}.window-bar>span:first-child{background:#3b82f6}.window-bar code{margin-left:auto;margin-right:auto;font:500 11px ui-monospace,SFMono-Regular,Menlo,monospace;color:#64748b;background:#111d3d;padding:6px 34px;border-radius:8px}.hero-logo-wrap{height:230px;display:flex;align-items:center;justify-content:center;padding:50px}.hero-logo-wrap img{width:100%}.status-row{height:68px;border-top:1px solid rgba(148,163,184,.14);display:flex;align-items:center;justify-content:space-between;padding:0 24px;color:#64748b;font-size:10px;letter-spacing:.1em}.status-row span{display:flex;align-items:center;gap:7px}.status-row i{width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.1)}.status-row b{font-weight:650;color:#94a3b8}.mini-card{position:absolute;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px}.icon-card{bottom:6px;right:-18px;padding:10px 10px 8px;display:flex;flex-direction:column;gap:6px;transform:rotate(3deg)}.icon-card img{width:88px;height:88px;border-radius:20px}.icon-card span{font:650 9px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);text-align:center}.swatch-card{top:36px;left:-9px;padding:12px;display:flex;gap:6px;transform:rotate(-4deg)}.swatch{width:21px;height:21px;border-radius:7px}.swatch.navy{background:var(--navy)}.swatch.blue{background:var(--blue)}.swatch.cyan{background:var(--cyan)}
.studio-section,.guidance-section{padding:100px max(24px,calc((100vw - 1192px)/2));scroll-margin-top:40px}.studio-section{background:var(--panel);border-block:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:42px}.section-heading .eyebrow{margin-bottom:12px}.section-heading h2{font-size:clamp(36px,4vw,54px);letter-spacing:-.045em;line-height:1.06;margin:0}.section-heading>p{max-width:430px;color:var(--muted);margin:0}
.studio-shell{display:grid;grid-template-columns:220px 1fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--page);box-shadow:var(--shadow)}.studio-controls{padding:26px;border-right:1px solid var(--line);grid-row:span 2;background:var(--panel)}fieldset{padding:0;border:0;margin:0 0 26px}legend{text-transform:uppercase;letter-spacing:.14em;font-size:10px;font-weight:760;color:var(--muted);margin-bottom:10px}.segmented,.size-buttons{display:grid;background:var(--page);padding:4px;border-radius:10px}.segmented,.size-buttons{grid-template-columns:repeat(3,1fr)}.segmented button,.size-buttons button{border:0;background:transparent;padding:8px 4px;border-radius:7px;font-size:12px;color:var(--muted);cursor:pointer}.segmented button.active,.size-buttons button.active{background:var(--panel);color:var(--ink);box-shadow:0 2px 9px rgba(11,19,43,.08);font-weight:700}.surface-buttons{display:flex;gap:9px}.surface{width:31px;height:31px;border-radius:50%;border:3px solid var(--panel);outline:1px solid var(--line);cursor:pointer}.surface.active{outline:2px solid var(--blue);outline-offset:2px}.surface.navy{background:#0b132b}.surface.light{background:#f8fafc}.surface.blue{background:#3b82f6}.surface.grid{background-color:#fff;background-image:linear-gradient(45deg,#d7dfeb 25%,transparent 25%),linear-gradient(-45deg,#d7dfeb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#d7dfeb 75%),linear-gradient(-45deg,transparent 75%,#d7dfeb 75%);background-size:10px 10px;background-position:0 0,0 5px,5px -5px,-5px 0}.selection-details{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-direction:column;gap:3px}.selection-details span{font-size:12px;font-weight:700}.selection-details code{font-size:10px;color:var(--muted)}
.preview-stage{min-height:420px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;transition:background .25s}.preview-stage.surface-navy{background:#0b132b}.preview-stage.surface-light{background:#f8fafc}.preview-stage.surface-blue{background:#3b82f6}.preview-stage.surface-grid{background-color:#fff;background-image:linear-gradient(45deg,#e4e9f1 25%,transparent 25%),linear-gradient(-45deg,#e4e9f1 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e4e9f1 75%),linear-gradient(-45deg,transparent 75%,#e4e9f1 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}.preview-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(148,163,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.05) 1px,transparent 1px);background-size:32px 32px}.preview-stage img{position:relative;z-index:1;transition:width .25s,height .25s,transform .25s;object-fit:contain}.preview-logo.size-small{width:220px}.preview-logo.size-medium{width:390px}.preview-logo.size-large{width:min(80%,570px)}.preview-icon,.preview-mark{aspect-ratio:1}.preview-icon.size-small,.preview-mark.size-small{width:64px}.preview-icon.size-medium,.preview-mark.size-medium{width:150px}.preview-icon.size-large,.preview-mark.size-large{width:250px}.preview-caption{position:absolute;bottom:18px;left:22px;font:550 10px ui-monospace,SFMono-Regular,Menlo,monospace;color:#64748b;z-index:2}.download-rail{grid-column:2;min-height:84px;padding:16px 20px;background:var(--panel);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px}.download-rail>div:first-child{display:flex;flex-direction:column}.download-rail span{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.download-rail strong{font-size:14px}.download-actions{display:flex;gap:8px}.button.compact{height:38px;font-size:12px;border-radius:9px;padding:0 14px}.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:20px}.palette button{border:1px solid var(--line);border-radius:14px;background:var(--page);padding:10px;display:flex;align-items:center;gap:10px;text-align:left;cursor:pointer}.palette button>i{display:block;width:38px;height:38px;border-radius:10px;background:var(--swatch);border:1px solid rgba(148,163,184,.25);flex:0 0 auto}.palette span{font-size:11px;font-weight:680}.palette strong{display:block;font:500 10px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);margin-top:1px}
.guidance-section{padding-bottom:80px}.guidance-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.use-card{background:var(--panel);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 16px 45px rgba(11,19,43,.07)}.use-preview{height:300px}.browser-mock{margin:32px 32px 0;border-radius:16px 16px 0 0;background:#0d1731;border:1px solid rgba(148,163,184,.2);overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.22)}.browser-top{height:36px;border-bottom:1px solid rgba(148,163,184,.15);display:flex;align-items:center;gap:5px;padding:0 10px}.browser-top>span{width:6px;height:6px;border-radius:50%;background:#334155}.browser-top>span:first-child{background:#3b82f6}.browser-top p{margin:0 0 0 12px;background:#111d3d;border-radius:6px;padding:4px 10px;color:#64748b;font-size:8px;display:flex;align-items:center;gap:5px;flex:1}.browser-top p img{width:10px;height:10px}.browser-body{padding:35px 38px;color:#f8fafc}.browser-body img{width:230px;max-width:100%}.browser-body p{font-size:10px;letter-spacing:.13em;color:#94a3b8;margin:16px 0}.browser-body button{border:0;border-radius:7px;background:#3b82f6;color:white;padding:8px 12px;font-size:8px}.telegram-mock{margin:32px 32px 0;border-radius:16px 16px 0 0;background:#e9f0f6;overflow:hidden;border:1px solid #d6e0ea;color:#18253e;padding-bottom:14px}.chat-head{height:70px;background:#fff;display:flex;align-items:center;padding:10px 16px;gap:10px;box-shadow:0 2px 10px rgba(11,19,43,.06)}.chat-head img{width:46px;height:46px;border-radius:50%}.chat-head div{display:flex;flex-direction:column;font-size:12px}.chat-head div span{font-size:10px;color:#708096}.chat-head i{margin-left:auto;font-style:normal;color:#708096}.message{background:#fff;border-radius:10px 10px 2px 10px;margin:38px 16px 40px auto;padding:10px 12px;width:70%;box-shadow:0 2px 6px rgba(11,19,43,.08);display:flex;justify-content:space-between;align-items:end;gap:8px;font-size:11px}.message small{font-size:8px;color:#3b82f6;white-space:nowrap}.chat-input{margin:0 12px;background:#fff;border-radius:999px;color:#94a3b8;font-size:10px;padding:9px 12px}.chat-input b{float:right;color:#3b82f6}
.use-copy{padding:30px 32px 34px}.card-kicker{text-transform:uppercase;letter-spacing:.14em;color:var(--blue)!important;font-size:10px!important;font-weight:760}.use-copy h3{font-size:25px;letter-spacing:-.035em;margin:5px 0 10px}.use-copy>p{font-size:14px;color:var(--muted)}.use-copy ul{list-style:none;padding:14px 0;margin:18px 0;border-block:1px solid var(--line);font-size:12px;color:var(--muted)}.use-copy li+li{margin-top:8px}.use-copy li span{display:inline-block;min-width:44px;color:#16a34a;font-weight:760}.use-copy li.avoid span{color:#ef4444}.use-copy>a{font-size:12px;font-weight:730;color:var(--blue)}.use-copy>a b{font-size:16px;margin-left:4px}.rule-strip{margin-top:20px;border:1px solid var(--line);border-radius:18px;background:var(--panel);display:grid;grid-template-columns:repeat(4,1fr)}.rule-strip div{padding:20px 24px}.rule-strip div+div{border-left:1px solid var(--line)}.rule-strip span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.1em}.rule-strip strong{font-size:15px}
footer{max-width:1192px;margin:0 auto;border-top:1px solid var(--line);padding:30px 0 40px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}.footer-brand{color:var(--ink)}footer p{margin:0;font-style:italic}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,80px);opacity:0;background:#0b132b;color:#f8fafc;padding:10px 16px;border-radius:10px;font-size:12px;box-shadow:var(--shadow);transition:.25s;z-index:30}.toast.show{transform:translate(-50%,0);opacity:1}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:68px;gap:35px}.hero-copy{max-width:680px}.hero-visual{min-height:420px}.section-heading{align-items:start;flex-direction:column;gap:14px}.studio-shell{grid-template-columns:1fr}.studio-controls{grid-row:auto;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.studio-controls fieldset{margin:0}.selection-details{display:none}.download-rail{grid-column:1}.guidance-grid{grid-template-columns:1fr}.palette{grid-template-columns:repeat(3,1fr)}footer{margin-inline:24px}}
@media(max-width:620px){.site-header{height:66px;padding-inline:16px}.brand i,.site-header nav>a{display:none}.site-header nav{gap:0}.hero{padding:58px 18px 54px;min-height:0}.hero h1{font-size:46px}.hero-lede{font-size:16px}.hero-actions{flex-direction:column}.button{width:100%}.hero-visual{min-height:310px}.hero-card{height:255px;border-radius:18px;transform:none}.window-bar{height:40px}.window-bar code{padding:5px 18px}.hero-logo-wrap{height:165px;padding:35px}.status-row{height:50px;padding:0 14px}.status-row b{display:none}.icon-card{right:-4px;bottom:-3px}.icon-card img{width:62px;height:62px}.swatch-card{left:-4px;top:15px}.studio-section,.guidance-section{padding:70px 18px}.section-heading{margin-bottom:28px}.section-heading h2{font-size:38px}.studio-controls{grid-template-columns:1fr;gap:16px;padding:18px}.preview-stage{min-height:300px}.preview-logo.size-medium{width:270px}.preview-logo.size-large{width:330px}.download-rail{flex-direction:column;align-items:stretch}.download-actions{display:grid;grid-template-columns:1fr 1fr}.palette{grid-template-columns:1fr 1fr}.palette button:last-child{grid-column:span 2}.use-preview{height:260px}.browser-mock,.telegram-mock{margin:20px 20px 0}.browser-body{padding:30px 25px}.use-copy{padding:26px 24px 30px}.rule-strip{grid-template-columns:1fr 1fr}.rule-strip div:nth-child(3){border-left:0;border-top:1px solid var(--line)}.rule-strip div:nth-child(4){border-top:1px solid var(--line)}footer{padding-bottom:30px;flex-direction:column;gap:10px}.footer-brand+p{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}