:root{
  --bg:#F3F5EE;--bg-card:#FFFFFF;--bg-soft:#E9EDE0;--ink:#141A0E;--muted:#5C6650;
  --line:#D5DCC6;--line-soft:#E4E9DA;--line-strong:#A9C66A;
  --accent:#3F6B12;--accent-soft:#EEF7D3;--btn:#C6EC4D;--btn-ink:#141A0E;
  --code-bg:#E9EDE0;--code-ink:#2E3824;--user-bubble:#EEF7D3;--hover-row:#EEF2E6;
  --focus:#7FAE2A;--focus-ring:rgba(127,174,42,.25);--shadow:none;--shadow-lg:none;
  --font-body:"Onest",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
[data-theme="dark"]{
  --bg:#10140B;--bg-card:#171C11;--bg-soft:#20271A;--ink:#EEF3E4;--muted:#9AA78A;
  --line:#2E3824;--line-soft:#252D1D;--line-strong:#4A5E2E;
  --accent:#B7E15A;--accent-soft:#26321A;--btn:#C6EC4D;--btn-ink:#141A0E;
  --code-bg:#0B0E07;--code-ink:#E6EDD8;--user-bubble:#26321A;--hover-row:#1C2215;
  --focus:#B7E15A;--focus-ring:rgba(183,225,90,.25);color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased;background:var(--bg)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
nav{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:1.3rem;padding:.8rem 1.25rem;flex-wrap:wrap;position:relative}
.nav-links{display:flex;align-items:center;gap:1.3rem}
.menu-btn,.m-only{display:none}
.menu-btn{width:2.5rem;height:2.5rem;border-radius:.75rem;border:1px solid var(--line);background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s}
.menu-open .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-open .menu-btn span:nth-child(2){opacity:0}
.menu-open .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (max-width:900px){nav{flex-wrap:nowrap}.menu-btn{display:flex}.nav-links{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;padding:.4rem 1.25rem 1rem;background:var(--bg);border-bottom:1px solid var(--line-soft);box-shadow:0 18px 30px -18px rgba(0,0,0,.25);font-size:1.05rem}.nav-links a{padding:.8rem .2rem;border-bottom:1px solid var(--line-soft)}.nav-links a:last-child{border-bottom:0}.menu-open .nav-links{display:flex}}
nav .brand{display:flex;align-items:center;gap:.55rem;font-weight:800;color:var(--ink);font-size:1.15rem;letter-spacing:-.02em}
nav .brand .mark{width:1.7rem;height:1.7rem;border-radius:55% 45% 50% 50%;background:var(--btn);display:inline-flex;align-items:center;justify-content:center;color:var(--btn-ink);font-size:.95rem;font-weight:800;box-shadow:none}
nav .brand b{color:var(--accent);font-weight:800}
nav a{color:var(--muted);font-size:.92rem;font-weight:600}
nav a:hover{color:var(--accent);text-decoration:none}
nav .spacer{margin-left:auto;display:flex;align-items:center;gap:.7rem}
nav a.cta{background:var(--btn);color:var(--btn-ink)!important;padding:.55rem 1.1rem;border-radius:999px;font-weight:800;transition:transform .15s,box-shadow .2s;box-shadow:none}
nav a.cta:hover{transform:translateY(-1px);box-shadow:none;text-decoration:none}
main{max-width:1180px;margin:0 auto;padding:2.8rem 1.25rem 5rem}
h1{font-size:clamp(1.8rem,3.8vw,2.7rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 1rem;font-weight:800}
h2{font-size:1.45rem;margin:2.8rem 0 .9rem;letter-spacing:-.015em;font-weight:800}
h3{font-size:1.02rem;margin:0;font-weight:700}
.lead{color:var(--muted);font-size:1.1rem;max-width:48rem}
.kicker{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:.04em;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:.3rem .9rem;margin:0 0 1rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem;margin-top:1.6rem}
.card{border:1px solid var(--line);border-radius:1.1rem;padding:1.2rem 1.3rem;background:var(--bg-card);box-shadow:var(--shadow);transition:border-color .2s,transform .18s,box-shadow .25s}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card b{color:var(--ink)}
.card .price{color:var(--accent);font-family:var(--font-mono);font-size:.85rem;font-weight:600}
.muted{color:var(--muted)}
.small{font-size:.82rem}
table{width:100%;border-collapse:collapse;margin-top:1.1rem;font-size:.92rem;background:var(--bg-card);border:1px solid var(--line);border-radius:1rem;overflow:hidden;box-shadow:var(--shadow)}
td,th{padding:.7rem .85rem;border-bottom:1px solid var(--line-soft);text-align:left}
th{color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;font-weight:800;background:var(--bg-soft)}
tbody tr{transition:background .15s}
tbody tr:hover{background:var(--hover-row)}
tr:last-child td{border-bottom:0}
pre{background:var(--code-bg);border:1px solid var(--line);border-radius:.9rem;padding:1.05rem 1.15rem;overflow-x:auto;font-family:var(--font-mono);font-size:.82rem;color:var(--code-ink);line-height:1.6}
code{font-family:var(--font-mono);color:var(--accent);font-size:.9em}
pre code{color:inherit}
.hero{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:1.6rem;padding:clamp(1.8rem,4.5vw,3.4rem);background:var(--bg-card);box-shadow:var(--shadow)}
.hero h1,.hero .lead,.hero p,.hero .pill,.hero .cta-row{position:relative;z-index:1}
.pill{display:inline-flex;align-items:center;gap:.45rem;border:1px solid var(--line-strong);color:var(--accent);border-radius:999px;padding:.28rem .85rem;font-size:.8rem;font-weight:700;margin-bottom:1.1rem;background:var(--accent-soft)}
.pill:before{content:"";width:.45rem;height:.45rem;border-radius:50%;background:var(--btn)}
.faq details{border:1px solid var(--line);border-radius:.9rem;padding:.9rem 1.1rem;margin-bottom:.65rem;background:var(--bg-card);box-shadow:var(--shadow);transition:border-color .2s}
.faq summary{cursor:pointer;font-weight:700}
.faq summary::marker{color:var(--accent)}
.faq details[open]{border-color:var(--line-strong)}
.faq p{color:var(--muted);margin:.6rem 0 .1rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center;margin-top:1.6rem;position:relative;z-index:1}
.btn{display:inline-flex;align-items:center;gap:.45rem;background:var(--btn);color:var(--btn-ink);padding:.75rem 1.4rem;border-radius:999px;font-weight:800;transition:transform .15s,box-shadow .2s;box-shadow:none}
.btn:hover{transform:translateY(-1px);box-shadow:none;text-decoration:none}
.btn-ghost{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--line);color:var(--ink);padding:.75rem 1.2rem;border-radius:999px;font-weight:700;background:var(--bg-card);transition:all .2s}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--accent);text-decoration:none}
a.cta{background:var(--btn);color:var(--btn-ink)!important;border-radius:999px;box-shadow:none;transition:transform .15s,box-shadow .2s}
a.cta:hover{transform:translateY(-1px);box-shadow:none;text-decoration:none}
footer{border-top:1px solid var(--line-soft);margin-top:4rem;padding:1.6rem 1.25rem;text-align:center;color:var(--muted);font-size:.85rem}
footer a{color:var(--muted)}
footer a:hover{color:var(--accent)}
.filters{display:flex;gap:.7rem;align-items:center;margin:1.2rem 0 .2rem;flex-wrap:wrap}
.filters input{flex:1;min-width:12rem;padding:.65rem 1rem;border:1px solid var(--line);border-radius:999px;background:var(--bg-card);color:var(--ink);font:inherit;font-size:.92rem;transition:border-color .2s,box-shadow .2s}
.filters input:focus{outline:0;border-color:var(--focus);box-shadow:0 0 0 3px var(--focus-ring)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:8px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
.chat-demo{border:1px solid var(--line);border-radius:1.3rem;background:var(--bg-card);box-shadow:none;overflow:hidden;position:relative;z-index:1}
.chat-head{display:flex;align-items:center;gap:.6rem;padding:.8rem 1.1rem;border-bottom:1px solid var(--line-soft);background:var(--bg-soft);font-weight:700;font-size:.9rem}
.chat-head .dot{width:.6rem;height:.6rem;border-radius:50%;background:var(--btn)}
.chat-head span{margin-left:auto;font-weight:600;font-size:.76rem;color:var(--muted)}
.chat-body{padding:1.1rem;display:flex;flex-direction:column;gap:.7rem}
.bubble{max-width:88%;padding:.65rem .95rem;border-radius:1.1rem;font-size:.92rem;line-height:1.5}
.bubble.user{align-self:flex-end;background:var(--user-bubble);border-bottom-right-radius:.3rem;color:var(--ink)}
.bubble.bot{align-self:flex-start;background:var(--bg-soft);border-bottom-left-radius:.3rem}
.chat-cost{margin:0 1.1rem 1rem;font-size:.78rem;color:var(--muted)}
.chat-cost b{color:var(--accent)}
.ticker{margin-top:1.6rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:.75rem 0;position:relative;background:var(--bg-card)}
.ticker:before,.ticker:after{content:"";position:absolute;top:0;bottom:0;width:5rem;z-index:2;pointer-events:none}
.ticker:before{left:0;background:linear-gradient(90deg,var(--bg-card),transparent)}
.ticker:after{right:0;background:linear-gradient(-90deg,var(--bg-card),transparent)}
.ticker-track{display:flex;gap:2.6rem;width:max-content;animation:tick 46s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track span{font-size:.86rem;font-weight:600;color:var(--muted);white-space:nowrap}
.ticker-track b{color:var(--ink);font-weight:800}
.ticker-track i{color:var(--accent);font-style:normal;font-weight:700}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.stats{display:flex;flex-wrap:wrap;gap:1.2rem 1.6rem;margin-top:1.9rem}
.stat b{display:block;font-size:1.6rem;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.stat b i{color:var(--accent);font-style:normal}
.stat span{font-size:.76rem;font-weight:700;color:var(--muted)}
.badge-save{display:inline-block;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:.12rem .6rem;font-size:.74rem;font-weight:800;white-space:nowrap}
.bar-row{display:grid;grid-template-columns:11rem 1fr 6.5rem;gap:.9rem;align-items:center;padding:.5rem 0;border-bottom:1px solid var(--line-soft)}
.bar-row:last-child{border-bottom:0}
.bar-row .name{font-weight:700;font-size:.9rem}
.bar-row .name a{color:var(--ink)}
.bar-row .name a:hover{color:var(--accent)}
.bar-track{position:relative;height:2.1rem}
.bar{position:absolute;left:0;top:0;height:.95rem;border-radius:999px;background:var(--bg-soft)}
.bar .val{position:absolute;left:.6rem;top:50%;transform:translateY(-50%);font-size:.7rem;font-weight:700;color:#5f6d5c;white-space:nowrap}
.bar.ours{top:1.15rem;background:var(--btn);box-shadow:none}
.bar.ours .val{color:var(--btn-ink)}
.bar-save{font-family:var(--font-mono);font-size:.78rem;font-weight:700;color:var(--accent);text-align:right;white-space:nowrap}
.chart-card{border:1px solid var(--line);border-radius:1.2rem;background:var(--bg-card);box-shadow:var(--shadow);padding:1.3rem 1.4rem;margin-top:1.2rem}
.chart-legend{display:flex;gap:1.4rem;margin:.9rem 0 .4rem;font-size:.8rem;color:var(--muted);font-weight:700}
.chart-legend i{display:inline-block;width:.8rem;height:.8rem;border-radius:.25rem;margin-right:.4rem;vertical-align:-.08em}
.chart-legend .l1 i{background:var(--bg-soft)}
.chart-legend .l2 i{background:var(--btn)}
.calc-card{border:1px solid var(--line);border-radius:1.4rem;background:var(--bg-card);box-shadow:var(--shadow);padding:2rem 2.2rem;margin-top:1.2rem}
.calc-card h3{font-size:1.6rem;font-weight:800;letter-spacing:-.02em}
.calc-card input{width:100%;accent-color:var(--btn);margin:.9rem 0 .6rem;height:2rem;cursor:pointer}
.calc-out{font-size:1.25rem;font-weight:800;color:var(--ink);line-height:1.5}
.calc-out b{color:var(--accent);font-size:1.75rem}
.calc-note{font-size:.85rem;color:var(--muted);margin-top:.5rem}
.hero h1 mark{background:var(--btn);color:var(--btn-ink);padding:0 .35em;border-radius:.3em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.04;letter-spacing:-.04em}
nav .theme-btn{display:grid;place-items:center;width:2.3rem;height:2.3rem;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
nav .theme-btn .i-sun,[data-theme="dark"] nav .theme-btn .i-moon{display:none}
[data-theme="dark"] nav .theme-btn .i-sun{display:block}
/* карусель задач (первый экран) */
@keyframes rf-ring{from{transform:rotateX(-10deg) rotateY(0)}to{transform:rotateX(-10deg) rotateY(-360deg)}}
@keyframes rf-glow{50%{opacity:.5;transform:scale(1.08)}}
@keyframes rf-rise{0%{transform:translateY(0);opacity:0}15%{opacity:1}100%{transform:translateY(-7rem);opacity:0}}
.rf-stage{position:relative;height:30rem;perspective:1600px;perspective-origin:50% 30%}
@media (min-width:901px){.hero .hero-grid{grid-template-columns:1fr 1fr}}
html,body{overflow-x:clip}
.rf-ring{position:absolute;left:50%;top:44%;width:0;height:0;transform-style:preserve-3d;animation:rf-ring 36s linear infinite}
.rf-face{position:absolute;left:-6.5rem;top:-5.6rem;width:13rem;backface-visibility:hidden;transform:rotateY(calc(var(--i) * 360deg / var(--n))) translateZ(13rem)}
.rf-card{display:flex;flex-direction:column;gap:.55rem;padding:1rem;background:var(--bg-card);border:1px solid var(--line);border-radius:.9rem}
.rf-head{display:flex;align-items:center;gap:.6rem}
.rf-head b{font-size:.95rem}
.rf-ic{display:grid;place-items:center;width:2rem;height:2rem;border-radius:.5rem;background:var(--accent-soft);color:var(--accent);flex-shrink:0}
.rf-res{font-size:.8rem;line-height:1.5;color:var(--muted)}
.rf-foot{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding-top:.5rem;border-top:1px solid var(--line);font-size:.75rem;color:var(--muted)}
.rf-foot b{padding:.15rem .5rem;border-radius:999px;background:var(--btn);color:var(--btn-ink);font-family:var(--font-mono);white-space:nowrap}
.rf-glow{position:absolute;left:18%;right:18%;bottom:4.5rem;height:5.5rem;border-radius:50%;background:var(--btn);opacity:.35;filter:blur(40px);animation:rf-glow 5s ease-in-out infinite}
.rf-floor{position:absolute;left:20%;right:20%;bottom:5.5rem;height:2.8rem;border-radius:50%;border:1.5px solid var(--line);background:var(--bg-soft)}
.rf-label{position:absolute;left:50%;bottom:4.5rem;transform:translateX(-50%);display:flex;align-items:center;gap:.6rem;padding:.6rem 1.1rem;background:var(--ink);color:var(--bg);border-radius:999px;font-size:.88rem;font-weight:700;white-space:nowrap}
.rf-label svg{width:1.4rem;height:1.4rem}
.rf-coin{position:absolute;bottom:8rem;display:grid;place-items:center;width:1.6rem;height:1.6rem;border-radius:50%;background:var(--btn);color:var(--btn-ink);font-size:.8rem;font-weight:800;animation:rf-rise 6s ease-out infinite}
@media (max-width:900px){.rf-stage{height:26rem;transform:scale(.8);margin:-2rem 0}}
.rf-flat{display:none}
.hero-off .rf-ring,.hero-off .rf-coin,.hero-off .rf-glow,.hero-off .ticker-track{animation-play-state:paused}
.links-row{margin:1.6rem 0 0;color:var(--muted);font-size:.92rem;line-height:1.9}
@media (max-width:560px){.rf-stage{display:none}.rf-flat{display:grid;gap:.7rem;margin-top:1.2rem}.rf-flat .rf-card{position:static;transform:none;width:auto}nav{gap:.6rem;flex-wrap:nowrap}nav .spacer>a:not(.cta){display:none}.m-only{display:block}nav a.cta{padding:.5rem .9rem;white-space:nowrap}.hero .kicker{font-size:.72rem}}
@keyframes fadeup{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.card,.hero,table,.faq details,.chat-demo{animation:fadeup .4s ease both}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

/* === Auth pages (вход/регистрация/быстрый старт) === */
.auth-wrap{max-width:26rem;margin:2.5rem auto}
.auth-card{border:1px solid var(--line);border-radius:1.4rem;background:var(--bg-card);box-shadow:var(--shadow);padding:2rem 2.2rem}
.auth-card h1{font-size:1.7rem;margin:0 0 .4rem}
.auth-card .sub{color:var(--muted);font-size:.92rem;margin:0 0 1.4rem}
.auth-field{margin-bottom:.9rem}
.auth-field label{display:block;font-size:.78rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.35rem}
.auth-field input{width:100%;padding:.75rem 1rem;border:1px solid var(--line);border-radius:.7rem;background:var(--bg);color:var(--ink);font:inherit;font-size:.95rem;transition:border-color .2s,box-shadow .2s}
.auth-field input:focus{outline:0;border-color:var(--focus);box-shadow:0 0 0 3px var(--focus-ring)}
.auth-btn{width:100%;padding:.85rem;border:0;border-radius:.7rem;background:var(--btn);color:var(--btn-ink);font:inherit;font-weight:800;font-size:1rem;cursor:pointer;transition:transform .15s,box-shadow .2s;box-shadow:none}
.auth-btn:hover{transform:translateY(-1px);box-shadow:none}
.auth-btn:disabled{opacity:.6;cursor:wait;transform:none}
.auth-alt{margin-top:1.1rem;text-align:center;font-size:.88rem;color:var(--muted)}
.auth-err{background:#fde8e8;border:1px solid #f5c2c2;color:#b42318;border-radius:.6rem;padding:.6rem .9rem;font-size:.85rem;margin-bottom:.9rem;display:none}
.auth-ok{background:var(--accent-soft);border:1px solid var(--line-strong);color:var(--accent);border-radius:.6rem;padding:.6rem .9rem;font-size:.85rem;margin-bottom:.9rem;display:none}
.auth-divider{display:flex;align-items:center;gap:.8rem;margin:1.2rem 0;color:var(--muted);font-size:.8rem}
.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--line)}
.oauth-btn{display:flex;align-items:center;justify-content:center;gap:.6rem;width:100%;padding:.75rem;border:1px solid var(--line);border-radius:.7rem;background:var(--bg-card);color:var(--ink);font:inherit;font-weight:700;font-size:.95rem;cursor:pointer;transition:border-color .2s;text-decoration:none}
.oauth-btn:hover{border-color:var(--line-strong);text-decoration:none}
.oauth-btn .yandex-badge{width:1.2rem;height:1.2rem;border-radius:50%;background:#fc3f1d;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800}
.key-box{background:var(--code-bg);border:1px solid var(--line);border-radius:.8rem;padding:.9rem 1rem;font-family:var(--font-mono);font-size:.85rem;word-break:break-all;display:flex;align-items:center;gap:.7rem}
.key-box code{flex:1;color:var(--code-ink)}
.copy-btn{border:1px solid var(--line);background:var(--bg-card);border-radius:.5rem;padding:.35rem .7rem;font-size:.78rem;cursor:pointer;color:var(--muted)}
.copy-btn:hover{border-color:var(--focus);color:var(--accent)}
.key-row{display:flex;align-items:center;gap:.7rem;padding:.6rem 0;border-bottom:1px solid var(--line-soft)}
.key-row:last-child{border-bottom:0}
.key-row code{font-family:var(--font-mono);font-size:.85rem;color:var(--accent)}
.key-row .del{margin-left:auto;color:#b42318;border:1px solid #f5c2c2;background:transparent;border-radius:.5rem;padding:.25rem .6rem;font-size:.75rem;cursor:pointer}

/* === Публичный чат /try === */
.chat-shell{max-width:44rem;margin:2rem auto}
.chat-window{background:var(--bg-card);overflow:hidden}
.chat-toolbar{display:flex;align-items:center;gap:.6rem;padding:.8rem 1.1rem;border-bottom:1px solid var(--line-soft);background:var(--bg-soft);flex-wrap:wrap}
.chat-toolbar .dot{width:.6rem;height:.6rem;border-radius:50%;background:var(--btn)}
.chat-toolbar select{border:1px solid var(--line);border-radius:999px;padding:.35rem .8rem;background:var(--bg-card);color:var(--ink);font:inherit;font-size:.85rem;font-weight:600;cursor:pointer}
.chat-toolbar .quota{margin-left:auto;font-size:.78rem;color:var(--muted);font-weight:700}
.chat-toolbar .quota b{color:var(--accent)}
.chat-log{padding:1.1rem;display:flex;flex-direction:column;gap:.7rem;min-height:16rem;max-height:26rem;overflow-y:auto}
.chat-log .bubble{max-width:88%;padding:.65rem .95rem;border-radius:1.1rem;font-size:.92rem;line-height:1.5;white-space:pre-wrap;word-break:break-word}
.chat-log .bubble.user{align-self:flex-end;background:var(--user-bubble);border-bottom-right-radius:.3rem;color:var(--ink)}
.chat-log .bubble.bot{align-self:stretch;max-width:none;background:var(--bg-soft);border-bottom-left-radius:.3rem}
.chat-log .bubble.sys{align-self:center;background:transparent;border:1px dashed var(--line);color:var(--muted);font-size:.8rem;max-width:96%;text-align:center}
.chat-input{display:flex;gap:.6rem;padding:.9rem 1.1rem;border-top:1px solid var(--line-soft);background:var(--bg-card)}
.chat-input textarea{flex:1;min-height:2.6rem;max-height:8rem;padding:.65rem .9rem;border:1px solid var(--line);border-radius:.8rem;background:var(--bg);color:var(--ink);font:inherit;font-size:.92rem;resize:vertical}
.chat-input textarea:focus{outline:0;border-color:var(--focus);box-shadow:0 0 0 3px var(--focus-ring)}
.chat-input button{padding:.65rem 1.3rem;border:0;border-radius:.8rem;background:var(--btn);color:var(--btn-ink);font:inherit;font-weight:800;cursor:pointer;transition:transform .15s,box-shadow .2s;box-shadow:none}
.chat-input button:hover:not(:disabled){transform:translateY(-1px);box-shadow:none}
.chat-input button:disabled{opacity:.55;cursor:wait}
.limit-card{border:1px solid var(--line-strong);border-radius:1.2rem;background:var(--bg-card);padding:1.6rem 1.8rem;margin-top:1.2rem;text-align:center;box-shadow:var(--shadow-lg)}
.limit-card h3{margin:0 0 .5rem;font-size:1.25rem}
.limit-card p{color:var(--muted);margin:.3rem 0 1rem}

/* === Демо-чат /try: app-like двухколоночный layout === */
.demo-shell{display:grid;grid-template-columns:minmax(9rem,12rem) minmax(13rem,17rem) 1fr;max-width:100%;margin:1.5rem auto;align-items:stretch;padding:0 1rem;background:var(--bg-card);border:1px solid var(--line);border-radius:1.3rem;box-shadow:none;overflow:hidden}
.demo-side{padding:1rem 1.1rem;display:flex;flex-direction:column;gap:.9rem;border-right:1px solid var(--line-soft);background:var(--bg-soft)}
.demo-context{max-height:calc(100vh - 4rem);overflow-y:auto;background:var(--bg-card)}
.demo-side .field-label{display:block;font-size:.72rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.3rem}
.demo-side select{width:100%;padding:.55rem .8rem;border:1px solid var(--line);border-radius:.6rem;background:var(--bg);color:var(--ink);font:inherit;font-size:.88rem;cursor:pointer}
.demo-side select:focus{outline:0;border-color:var(--focus);box-shadow:0 0 0 3px var(--focus-ring)}
.demo-side .side-btn{display:flex;align-items:center;gap:.5rem;width:100%;padding:.6rem .8rem;border:1px solid var(--line);border-radius:.6rem;background:var(--bg-card);color:var(--ink);font:inherit;font-size:.88rem;font-weight:600;cursor:pointer;text-align:left;transition:border-color .2s}
.demo-side .side-btn:hover{border-color:var(--line-strong)}
.demo-side .side-btn.primary{background:var(--btn);color:var(--btn-ink);border-color:transparent;font-weight:800;justify-content:center}
.demo-side .lock{margin-left:auto;font-size:.8rem;opacity:.7}
.demo-side .side-note{font-size:.74rem;color:var(--muted);line-height:1.4}
.demo-side .divider{height:1px;background:var(--line-soft)}
.demo-modes{display:grid;grid-template-columns:1fr 1fr;gap:.4rem;margin-bottom:.2rem}
.demo-mode{padding:.55rem .6rem;border:1px solid var(--line);border-radius:.6rem;background:var(--bg-card);color:var(--muted);font:inherit;font-size:.85rem;font-weight:700;cursor:pointer;transition:border-color .2s,color .2s}
.demo-mode:hover{border-color:var(--line-strong);color:var(--accent)}
.demo-mode.active{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.img-result{margin:.5rem 0;border-radius:.8rem;overflow:hidden;border:1px solid var(--line)}
.img-result img{display:block;width:100%;height:auto}
.img-result .img-actions{display:flex;gap:.5rem;padding:.5rem .7rem;background:var(--bg-soft);font-size:.78rem}
.img-result .img-actions a{color:var(--accent);font-weight:700}
.demo-topics{display:flex;flex-direction:column;gap:.3rem}
.demo-topics .topic{padding:.45rem .7rem;border-radius:.5rem;font-size:.84rem;color:var(--muted);border:1px dashed var(--line)}
.demo-main{min-width:0;display:flex;flex-direction:column}
@media (max-width:900px){.demo-shell{grid-template-columns:1fr}.demo-nav,.demo-context{order:2}.demo-main{order:1}.demo-side{border-right:0;border-bottom:1px solid var(--line-soft)}}

.ap-crumbs{font-size:.85rem;color:var(--muted);margin-bottom:.8rem}
.ap-crumbs a{color:var(--muted)}
.ap-hero{padding:.4rem 0 1rem}
.ap-hero h1{max-width:52rem}
.ap-lead{color:var(--muted);font-size:1.12rem;max-width:46rem;margin:0 0 1rem}
.ap-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1.2rem}
.ap-badges span{background:var(--accent-soft);color:var(--accent);border:1px solid var(--line-strong);border-radius:.5rem;padding:.3rem .7rem;font-size:.86rem;font-weight:700}
.ap-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-bottom:1.6rem}
.ap-strip{display:grid;grid-template-columns:minmax(0,420px) repeat(3,minmax(0,1fr));gap:.8rem;align-items:end}
.ap-strip-main{width:100%;height:100%;aspect-ratio:1/1;object-fit:cover;border-radius:1rem;border:1px solid var(--line);display:block;background:var(--bg-soft)}
.ap-strip-side{position:relative;border-radius:1rem;overflow:hidden;border:1px solid var(--line);display:block;align-self:end}
.ap-strip-side{margin:0}
.ap-strip-side img,.ap-strip-side video{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover}
.ap-strip-side span{position:absolute;left:.5rem;right:.5rem;bottom:.5rem;background:rgba(20,26,14,.78);color:#EEF3E4;font-size:.78rem;border-radius:.4rem;padding:.25rem .5rem}
.ap-sec{margin:2.4rem 0}
.ap-sc{border:1px solid var(--line);border-radius:1rem;background:var(--bg-card);overflow:hidden}
.ap-sc-tabs{display:flex;flex-wrap:wrap;gap:.3rem;padding:.5rem;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.ap-sc-tab{border:0;background:transparent;font:inherit;font-weight:700;color:var(--ink);padding:.45rem .8rem;border-radius:.5rem;cursor:pointer}
.ap-sc-tab.on{background:var(--btn);color:var(--btn-ink)}
.ap-sc-pane{padding:1rem 1.2rem}
.ap-sc-pane h3{margin:0 0 .4rem;font-size:1.05rem}
.ap-sc-pane p{margin:0;color:var(--muted)}
.ap-text h2{margin-top:1.8rem}
.ap-howto{counter-reset:ap;list-style:none;padding:0;margin:0;display:grid;gap:.7rem}
.ap-howto li{counter-increment:ap;position:relative;padding:1rem 1.1rem 1rem 3.4rem;border:1px solid var(--line);border-radius:.9rem;background:var(--bg-card)}
.ap-howto li::before{content:counter(ap);position:absolute;left:1rem;top:.95rem;width:1.7rem;height:1.7rem;border-radius:.45rem;background:var(--btn);color:var(--btn-ink);font-weight:800;display:flex;align-items:center;justify-content:center}
.ap-req{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.ap-req>div{border-radius:1rem;padding:1.1rem 1.2rem;border:1px solid var(--line)}
.ap-req-ok{background:var(--accent-soft)}
.ap-req-no{background:var(--bg-card)}
.ap-req ul{margin:.5rem 0 0;padding-left:1.1rem;line-height:1.7}
.ap-req-ok li::marker{content:"✓  ";color:var(--accent)}
.ap-req-no li::marker{content:"✕  ";color:#B4432F}
.ap-text{max-width:48rem}
.ap-text p{margin:0 0 .9rem}
.ap-cost{border-collapse:collapse;min-width:min(420px,100%);background:var(--bg-card);border:1px solid var(--line);border-radius:.8rem;overflow:hidden}
.ap-cost th,.ap-cost td{padding:.6rem 1rem;border-bottom:1px solid var(--line);text-align:left}
.ap-cost td:last-child{font-family:var(--font-mono);font-weight:700}
.ap-note{color:var(--muted);font-size:.9rem;max-width:44rem}
.ap-trust{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.ap-trust>div{border-left:3px solid var(--btn);padding:.2rem 0 .2rem 1rem}
.ap-trust b{display:block;font-size:1.05rem}
.ap-trust span{color:var(--muted);font-size:.93rem}
.ap-faq details{border:1px solid var(--line);border-radius:.8rem;padding:.8rem 1rem;margin-bottom:.5rem;background:var(--bg-card)}
.ap-faq summary{cursor:pointer;font-weight:700}
.ap-faq p{margin:.5rem 0 0;color:var(--muted)}
.ap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.ap-tile{display:grid;grid-template-columns:96px 1fr;gap:.8rem;align-items:center;border:1px solid var(--line);border-radius:.9rem;padding:.6rem;background:var(--bg-card);color:var(--ink)}
.ap-tile:hover{border-color:var(--line-strong);text-decoration:none}
.ap-tile img{width:96px;height:96px;object-fit:cover;border-radius:.6rem;display:block}
.ap-tile b{display:block;font-size:.98rem}
.ap-tile em{display:block;font-style:normal;color:var(--muted);font-size:.8rem;line-height:1.35;margin-top:.2rem}
.ap-tabs{display:flex;flex-wrap:wrap;gap:.4rem;border-bottom:1px solid var(--line);padding-bottom:.6rem}
.ap-tab{padding:.4rem .8rem;border-radius:.5rem;color:var(--ink);font-size:.92rem;font-weight:600}
.ap-tab.on{background:var(--btn);color:var(--btn-ink)}
.ap-cat[hidden]{display:none}
.ap-sticky{display:none}
.ap-spacer{height:0}
@media (max-width:860px){
.ap-strip{grid-template-columns:repeat(3,minmax(0,1fr))}
.ap-strip-main{grid-column:1/-1;max-height:none}
.ap-req,.ap-trust,.ap-grid{grid-template-columns:1fr}
.ap-sticky{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;gap:.8rem;align-items:center;justify-content:space-between;padding:.6rem 1rem calc(.6rem + env(safe-area-inset-bottom));background:var(--bg-card);border-top:1px solid var(--line)}
.ap-sticky span{font-size:.88rem;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ap-sticky .btn{padding:.55rem 1rem}
.ap-spacer{height:4.5rem}
}

.ap-shoot-strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(150px,1fr);gap:.6rem;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:.3rem}
.ap-shoot-strip img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:.8rem;border:1px solid var(--line);scroll-snap-align:start}
.ap-shoot-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem}
.ap-shoot-grid img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:.6rem}
@media (max-width:860px){.ap-shoot-grid{grid-template-columns:repeat(3,1fr)}.ap-shoot-strip{grid-auto-columns:42%}}

.psx,.ba2,.qc,.proof{--sx-ink:var(--txt,var(--ink));--sx-mut:var(--mut,var(--muted));--sx-acc:var(--acc,var(--accent));--sx-card:var(--card,var(--bg-card));--sx-line:var(--line);--sx-btn:var(--acc,var(--btn));--sx-btn-ink:var(--acc-ink,var(--btn-ink))}
.psx{margin:56px 0}
.psx-kicker{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--sx-acc);font-weight:700;margin:0 0 6px}
.psx h2{margin:0 0 10px}
.psx-lead{color:var(--sx-mut);max-width:640px;margin:0 0 18px}
.psx-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.psx-tab{border:1px solid var(--sx-line);background:var(--sx-card);color:var(--sx-ink);border-radius:999px;padding:7px 14px;font:inherit;font-size:.88rem;font-weight:600;cursor:pointer;transition:background .2s,border-color .2s}
.psx-tab:hover{border-color:var(--sx-ink)}
.psx-tab.on{background:var(--sx-ink);color:var(--sx-card);border-color:var(--sx-ink)}
.psx-stage{display:grid;grid-template-columns:180px 40px minmax(0,1fr);align-items:center;gap:12px}
.psx-face{margin:0;position:relative}
.psx-face img{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:16px;box-shadow:0 18px 40px -22px rgba(0,0,0,.45)}
.psx-face figcaption{position:absolute;left:10px;bottom:10px;background:rgba(0,0,0,.6);color:#fff;font-size:.75rem;font-weight:600;padding:4px 9px;border-radius:99px}
.psx-arrow{font-size:1.8rem;color:var(--sx-acc);text-align:center}
.psx-strip{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding-bottom:6px;scrollbar-width:thin;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent)}
.psx-strip img{flex:0 0 auto;width:180px;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:14px;scroll-snap-align:start;transition:opacity .35s ease,transform .35s ease}
.psx-strip.fade img{opacity:0;transform:translateY(6px)}
.psx-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px}
.psx-cta{display:inline-block;background:var(--sx-btn);color:var(--sx-btn-ink);font-weight:700;border-radius:10px;padding:11px 18px;text-decoration:none}
.psx-foot span{color:var(--sx-mut);font-size:.9rem}
@media (max-width:640px){.psx-stage{grid-template-columns:110px 1fr}.psx-arrow{display:none}.psx-strip img{width:130px}}
.ba2-wrap{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:40px;align-items:center;margin:18px 0 26px}
.ba2-text h3{font-size:1.5rem;margin:0 0 14px;color:var(--sx-ink)}
.ba2-text ul{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:10px}
.ba2-text li{padding-left:26px;position:relative;color:var(--sx-mut)}
.ba2-text li::before{content:"✓";position:absolute;left:0;color:var(--sx-acc);font-weight:800}
@media (max-width:760px){.ba2-wrap{grid-template-columns:1fr;gap:18px}}
.ba2{position:relative;max-width:400px;aspect-ratio:3/4;border-radius:18px;overflow:hidden;box-shadow:0 24px 50px -28px rgba(0,0,0,.5);user-select:none}
.ba2 img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba2-before{clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.ba2-tag{position:absolute;top:12px;background:rgba(0,0,0,.6);color:#fff;font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:99px;pointer-events:none}
.ba2-l{left:12px}.ba2-r{right:12px}
.ba2-line{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;background:#fff;transform:translateX(-1px);pointer-events:none}
.ba2-line i{position:absolute;top:50%;left:50%;width:38px;height:38px;margin:-19px;border-radius:50%;background:#fff;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.ba2-line i::before{content:"‹ ›";position:absolute;inset:0;display:grid;place-items:center;color:#111;font-weight:700;font-style:normal;letter-spacing:2px}
.ba2-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba2:focus-within .ba2-line i{outline:3px solid var(--sx-acc);outline-offset:2px}
.qc{margin:22px 0 4px;max-width:560px;background:var(--sx-card);border:1px solid var(--sx-line);border-radius:14px;padding:14px 16px}
.qc-title{display:block;font-weight:700;margin-bottom:8px;color:var(--sx-ink)}
.qc-in{width:100%;box-sizing:border-box;resize:vertical;min-height:52px;border:1px solid var(--sx-line);border-radius:10px;padding:9px 11px;font:inherit;font-size:.92rem;background:transparent;color:var(--sx-ink)}
.qc-in:focus{outline:2px solid var(--sx-acc);outline-offset:1px}
.qc-out{margin-top:10px;font-size:.88rem}
.qc-note{margin:0;color:var(--sx-mut)}
.qc-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:baseline;padding:5px 0;border-top:1px dashed var(--sx-line)}
.qc-row b{font-weight:600;color:var(--sx-ink)}
.qc-row .ours{font-family:var(--mono,monospace);color:var(--sx-acc);font-weight:700}
.qc-row .off{font-family:var(--mono,monospace);color:var(--sx-mut);text-decoration:line-through;font-size:.84rem}
.proof{display:flex;flex-wrap:wrap;gap:8px 18px;margin:14px 0 0;color:var(--sx-mut);font-size:.88rem}
.proof span::before{content:"●";color:var(--sx-acc);font-size:.6em;margin-right:7px;vertical-align:2px}
@media (prefers-reduced-motion:reduce){.psx-strip{scroll-behavior:auto}.psx-strip img{transition:none}}