/* Общая база демо-лендингов Forge AI Studio. Тема задаётся переменными на :root страницы. */
@font-face{font-family:'Manrope';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/manrope-cyrillic.woff2) format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Manrope';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/manrope-latin.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}

:root{
  --ease:cubic-bezier(.22,1,.36,1);
  --wrap:1200px;
  --gut:24px;
}
@media(max-width:640px){:root{--gut:16px}}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font:400 16px/24px Manrope,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-weight:700;text-wrap:balance;letter-spacing:-.02em}
p,li{text-wrap:pretty}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.ph{font-size:20px;line-height:1;vertical-align:-3px}

/* доступность */
.skip{position:absolute;left:16px;top:-64px;z-index:100;padding:8px 12px;border-radius:8px;background:var(--accent);color:var(--accent-ink);font-weight:600;transition:transform .3s var(--ease)}
.skip:focus{transform:translateY(80px)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}

/* полоска «это демо» */
.demo-bar{position:relative;z-index:60;display:flex;justify-content:center;gap:8px;flex-wrap:wrap;padding:8px 16px;background:var(--demo-bg);color:var(--demo-text);font-size:14px;line-height:20px;text-align:center}
.demo-bar a{font-weight:600;text-decoration:underline;text-underline-offset:4px}

/* навигация: плавающая капсула */
.nav{position:sticky;top:16px;z-index:50;display:flex;justify-content:center;padding:0 var(--gut);margin-top:16px;pointer-events:none}
.nav-in{pointer-events:auto;display:flex;align-items:center;gap:24px;padding:8px 8px 8px 16px;border-radius:9999px;background:var(--glass);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);box-shadow:0 0 0 1px var(--line),0 8px 32px rgba(0,0,0,.08)}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;text-decoration:none;white-space:nowrap}
.logo-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9999px;background:var(--accent);color:var(--accent-ink)}
.nav-links{display:flex;gap:4px}
.nav-links a{padding:8px 12px;border-radius:9999px;font-size:14px;line-height:20px;font-weight:600;color:var(--muted);text-decoration:none;transition:color .3s var(--ease),background-color .3s var(--ease)}
.nav-links a:hover{color:var(--text);background:var(--surface-2)}
.nav-links a[aria-current="true"]{color:var(--text);background:var(--surface-2)}
.menu-btn{display:none;width:40px;height:40px;border:0;border-radius:9999px;background:var(--surface-2);cursor:pointer;position:relative}
.menu-btn i{position:absolute;left:12px;width:16px;height:2px;border-radius:2px;background:currentColor;transition:transform .5s var(--ease)}
.menu-btn i:first-child{top:15px}.menu-btn i:last-child{top:23px}
.menu-open .menu-btn i:first-child{transform:translateY(4px) rotate(45deg)}
.menu-open .menu-btn i:last-child{transform:translateY(-4px) rotate(-45deg)}
.mpanel{position:fixed;inset:0;z-index:45;display:flex;flex-direction:column;justify-content:center;gap:8px;padding:96px 24px 48px;background:var(--panel);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility 0s .5s}
.menu-open .mpanel{opacity:1;visibility:visible;transition:opacity .5s var(--ease)}
.mpanel a{font-size:30px;line-height:36px;font-weight:700;text-decoration:none;padding:8px 0;opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.mpanel .btn{margin-top:24px;opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.menu-open .mpanel a,.menu-open .mpanel .btn{opacity:1;transform:none}
.mpanel > :nth-child(1){transition-delay:0ms}.mpanel > :nth-child(2){transition-delay:60ms}.mpanel > :nth-child(3){transition-delay:120ms}
.mpanel > :nth-child(4){transition-delay:180ms}.mpanel > :nth-child(5){transition-delay:240ms}.mpanel > :nth-child(6){transition-delay:300ms}
@media(max-width:860px){.nav-links{display:none}.menu-btn{display:block}.nav-in{width:100%;justify-content:space-between}.nav-in .btn-sm{display:none}}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 12px;min-height:48px;border:0;border-radius:12px;font-size:16px;line-height:24px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:background-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-h);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-sm{min-height:40px;font-size:14px;line-height:20px;border-radius:9999px;padding:8px 16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* hero */
.hero{padding:80px 0 96px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;line-height:20px;font-weight:600;color:var(--accent-text)}
.hero h1{max-width:680px;margin-top:16px;font-size:60px;line-height:1;letter-spacing:-.035em;
  background:linear-gradient(90deg,var(--h-from),var(--h-to));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{max-width:680px;margin-top:24px;font-size:18px;line-height:28px;color:var(--muted)}
.hero-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:32px}
.hero-note{font-size:14px;line-height:20px;color:var(--muted)}
.proof{display:flex;align-items:center;gap:12px;margin-top:40px;font-size:14px;line-height:20px;color:var(--muted)}
.proof b{color:var(--text);font-weight:700}
.stars{color:var(--star);letter-spacing:2px}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:48px}.hero{padding:48px 0 64px}}
@media(max-width:640px){.hero h1{font-size:36px;line-height:40px}.hero-sub{font-size:16px;line-height:24px}}

/* секции */
.sec{padding:96px 0}
.sec-alt{background:var(--surface)}
.sec-head{max-width:680px;margin-bottom:48px}
.sec-head h2{margin-top:12px;font-size:36px;line-height:40px}
.sec-head p{margin-top:16px;font-size:18px;line-height:28px;color:var(--muted)}
@media(max-width:640px){.sec{padding:64px 0}.sec-head{margin-bottom:32px}.sec-head h2{font-size:30px;line-height:36px}.sec-head p{font-size:16px;line-height:24px}}

/* полоса цифр */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:32px 0;border-radius:24px}
.stat b{display:block;font-size:36px;line-height:40px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:14px;line-height:20px;color:var(--muted)}
@media(max-width:860px){.stats{grid-template-columns:1fr 1fr;gap:32px 24px}}

/* проблема и решение */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.vs-col{padding:32px;border-radius:24px;background:var(--surface-2)}
.vs-col.good{background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent-line)}
.vs-col h3{font-size:20px;line-height:28px}
.vs-col ul{list-style:none;margin-top:24px;display:grid;gap:16px}
.vs-col li{display:flex;gap:12px;color:var(--muted)}
.vs-col.good li{color:var(--text)}
.vs-col li .ph{flex:none;margin-top:2px}
.vs-col.bad .ph{color:var(--muted)}
.vs-col.good .ph{color:var(--accent-text)}
@media(max-width:860px){.vs{grid-template-columns:1fr}.vs-col{padding:24px}}

/* преимущества */
.benefits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.benefit{padding:32px;border-radius:24px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);transition:transform .5s var(--ease),box-shadow .3s var(--ease)}
.benefit:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px var(--line-2)}
.sec-alt .benefit{background:var(--bg)}
.b-ico{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:var(--accent-soft);color:var(--accent-text)}
.b-ico .ph{font-size:24px}
.benefit h3{margin-top:24px;font-size:20px;line-height:28px}
.benefit p{margin-top:8px;color:var(--muted)}
@media(max-width:860px){.benefits{grid-template-columns:1fr}.benefit{padding:24px}}

/* блок-обещание */
.tagline{padding:96px 0}
.tagline-t{max-width:880px;font-size:48px;line-height:1;font-weight:700;letter-spacing:-.03em;text-wrap:balance}
.tagline-t .tw{opacity:.28;transition:opacity .6s var(--ease)}
.tagline-t .tw.on{opacity:1}
@media(max-width:640px){.tagline{padding:64px 0}.tagline-t{font-size:30px;line-height:36px}}

/* шаги */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:st}
.step{position:relative;padding:32px;border-radius:24px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.sec-alt .step{background:var(--bg)}
.step-n{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:9999px;background:var(--accent);color:var(--accent-ink);font-weight:700}
.step h3{margin-top:24px;font-size:20px;line-height:28px}
.step p{margin-top:8px;color:var(--muted)}
.step .tag{margin-top:16px}
.tag{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;border-radius:8px;background:var(--surface-2);font-size:12px;line-height:16px;font-weight:600;color:var(--muted)}
@media(max-width:860px){.steps{grid-template-columns:1fr}.step{padding:24px}}

/* тарифы */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.plan{display:flex;flex-direction:column;padding:32px;border-radius:24px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.sec-alt .plan{background:var(--bg)}
.plan.hot{box-shadow:inset 0 0 0 2px var(--accent)}
.plan-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.plan h3{font-size:20px;line-height:28px}
.plan-price{margin-top:24px;font-size:36px;line-height:40px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.plan-price small{font-size:16px;line-height:24px;font-weight:600;color:var(--muted);letter-spacing:0}
.plan-desc{margin-top:8px;color:var(--muted)}
.plan ul{list-style:none;margin:24px 0 32px;display:grid;gap:12px}
.plan li{display:flex;gap:8px}
.plan li .ph{flex:none;color:var(--accent-text);margin-top:2px}
.plan .btn{margin-top:auto}
.badge{padding:4px 8px;border-radius:9999px;background:var(--accent);color:var(--accent-ink);font-size:12px;line-height:16px;font-weight:700}
@media(max-width:960px){.plans{grid-template-columns:1fr}.plan{padding:24px}}

/* отзывы */
.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.review{display:flex;flex-direction:column;gap:24px;padding:32px;border-radius:24px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.sec-alt .review{background:var(--bg)}
.review blockquote{flex:1}
.review-meta{display:flex;align-items:center;gap:12px}
.ava{display:grid;place-items:center;width:40px;height:40px;border-radius:9999px;background:var(--surface-2);font-weight:700;font-size:14px}
.review-meta b{display:block;font-size:14px;line-height:20px}
.review-meta span{display:block;font-size:12px;line-height:16px;color:var(--muted)}
.review-fact{font-size:14px;line-height:20px;font-weight:600;color:var(--accent-text)}
@media(max-width:960px){.reviews{grid-template-columns:1fr}.review{padding:24px}}

/* гарантия */
.guar{display:grid;grid-template-columns:auto minmax(0,1fr);gap:32px;align-items:center;padding:48px;border-radius:24px;background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent-line)}
.guar-ico{display:grid;place-items:center;width:80px;height:80px;border-radius:24px;background:var(--accent);color:var(--accent-ink)}
.guar-ico .ph{font-size:40px}
.guar h2{font-size:30px;line-height:36px}
.guar p{margin-top:12px;max-width:680px;color:var(--muted)}
@media(max-width:640px){.guar{grid-template-columns:1fr;padding:24px;gap:24px}.guar h2{font-size:24px;line-height:32px}}

/* FAQ */
.faq{display:grid;gap:12px;max-width:880px}
.faq details{border-radius:16px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .3s var(--ease)}
.sec-alt .faq details{background:var(--bg)}
.faq details[open]{box-shadow:inset 0 0 0 1px var(--line-2)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px;font-size:18px;line-height:28px;font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ph{flex:none;transition:transform .5s var(--ease)}
.faq details[open] summary .ph{transform:rotate(45deg)}
.faq details p{padding:0 24px 24px;color:var(--muted)}
@media(max-width:640px){.faq summary{padding:16px;font-size:16px;line-height:24px}.faq details p{padding:0 16px 16px}}

/* форма заявки */
.final{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:start}
.final h2{font-size:48px;line-height:1;letter-spacing:-.03em}
.final-sub{margin-top:24px;font-size:18px;line-height:28px;color:var(--muted)}
.final-pts{list-style:none;margin-top:32px;display:grid;gap:12px}
.final-pts li{display:flex;gap:12px}
.final-pts .ph{color:var(--accent-text)}
.form{padding:32px;border-radius:24px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);display:grid;gap:16px}
.field{display:grid;gap:8px}
.field label{font-size:14px;line-height:20px;font-weight:600}
.field input,.field select{width:100%;min-height:48px;padding:12px 16px;border:0;border-radius:12px;background:var(--bg);box-shadow:inset 0 0 0 1px var(--line-2);transition:box-shadow .3s var(--ease)}
.field input:focus,.field select:focus{outline:0;box-shadow:inset 0 0 0 2px var(--accent)}
.field.err input,.field.err select{box-shadow:inset 0 0 0 2px var(--err)}
.field-err{display:none;font-size:14px;line-height:20px;color:var(--err)}
.field.err .field-err{display:block}
.form-note{font-size:12px;line-height:16px;color:var(--muted)}
.form-ok{display:none;padding:32px;border-radius:24px;background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent-line)}
.form-ok h3{display:flex;gap:12px;align-items:center;font-size:20px;line-height:28px}
.form-ok p{margin-top:8px;color:var(--muted)}
.sent .form{display:none}.sent .form-ok{display:block}
@media(max-width:960px){.final{grid-template-columns:1fr;gap:40px}}
@media(max-width:640px){.final h2{font-size:36px;line-height:40px}.form{padding:24px}}

/* подвал */
.foot{padding:48px 0;font-size:14px;line-height:20px;color:var(--muted);box-shadow:inset 0 1px 0 var(--line)}
.foot-in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot a{text-decoration:none}
.foot a:hover{color:var(--text)}
.foot-links{display:flex;gap:24px;flex-wrap:wrap}

/* появление секций */
.rv{opacity:0;transform:translateY(32px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{transform:none;transition:opacity .4s var(--ease)}
  .tagline-t .tw{opacity:1;transition:none}
  .mpanel a,.mpanel .btn{transform:none}
  .benefit:hover,.btn-primary:hover{transform:none}
}