:root{
  --ink:#172033;--muted:#65708a;--line:#dce3ee;--bg:#f5f7fb;--card:#fff;
  --brand:#5b4bdb;--brand-dark:#3f32ad;--accent:#11a58a;--danger:#b42318;
  --shadow:0 20px 60px rgba(25,35,62,.12);--radius:22px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}a{color:inherit}.wrap{width:min(1160px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,227,238,.9)}.header-inner{min-height:72px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:850;letter-spacing:-.03em;font-size:1.14rem}.brand-mark{width:39px;height:39px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,var(--brand),#8a6cf6);color:white;box-shadow:0 9px 22px rgba(91,75,219,.28);font-weight:900}.main-nav{display:flex;gap:8px;margin-left:auto;align-items:center}.main-nav a{text-decoration:none;padding:10px 12px;border-radius:11px;color:#39445b;font-weight:700;font-size:.94rem}.main-nav a:hover,.main-nav a.active{background:#edeafe;color:var(--brand-dark)}.lang-form select{border:1px solid var(--line);background:white;border-radius:11px;padding:9px 30px 9px 10px;font:inherit;max-width:150px}.mobile-menu{display:none;border:0;background:#edeafe;border-radius:11px;padding:10px 12px;font-weight:800}.hero{padding:86px 0 64px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:58px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#e7fbf6;color:#087764;font-weight:800;font-size:.88rem}.hero h1{font-size:clamp(2.5rem,5vw,4.8rem);line-height:1.02;letter-spacing:-.065em;margin:20px 0 22px}.hero p{font-size:1.18rem;color:var(--muted);max-width:720px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:13px;padding:13px 19px;border:1px solid transparent;text-decoration:none;font-weight:850;cursor:pointer;font:inherit}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 25px rgba(91,75,219,.24)}.btn-primary:hover{background:var(--brand-dark)}.btn-secondary{background:white;border-color:var(--line);color:var(--ink)}.btn-danger{background:#fff0ef;color:var(--danger);border-color:#ffc9c5}.hero-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:25px;color:#445069;font-weight:700;font-size:.92rem}.hero-points span:before{content:"✓";color:var(--accent);font-weight:1000;margin-inline-end:7px}.product-preview{background:linear-gradient(145deg,#1b2441,#354064);padding:18px;border-radius:31px;box-shadow:var(--shadow);transform:rotate(1.5deg)}.phone{background:#eef2f8;border-radius:23px;overflow:hidden;min-height:470px;border:7px solid #121a31}.phone-top{background:#fff;padding:14px 16px;display:flex;align-items:center;gap:11px;border-bottom:1px solid var(--line)}.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#ddd8ff;color:var(--brand-dark);font-weight:900}.phone-chat{padding:20px 14px;display:flex;flex-direction:column;gap:13px;background:linear-gradient(#f4f5fa,#edf1f7);min-height:340px}.bubble{max-width:82%;padding:11px 13px;border-radius:16px;background:#fff;box-shadow:0 3px 10px #0000000c;font-size:.92rem}.bubble.me{margin-left:auto;background:#dff8ef}.phone-input{background:white;padding:13px;display:flex;gap:9px}.phone-input div{flex:1;border-radius:999px;background:#f0f3f8;color:#8a94a8;padding:9px 14px}.phone-input b{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff}.section{padding:72px 0}.section.white{background:white}.section-head{text-align:center;max-width:760px;margin:0 auto 36px}.section-head h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.1;letter-spacing:-.045em;margin:0 0 13px}.section-head p{color:var(--muted);font-size:1.05rem}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 10px 35px rgba(23,32,51,.05)}.card .icon{width:45px;height:45px;border-radius:14px;background:#edeafe;color:var(--brand-dark);display:grid;place-items:center;font-size:1.3rem}.card h3{margin:17px 0 8px;font-size:1.12rem}.card p{margin:0;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{padding:27px;background:white;border-radius:var(--radius);border:1px solid var(--line)}.step h3{margin:0 0 8px}.step p{color:var(--muted);margin:0}.cta{background:linear-gradient(135deg,#26204f,#5b4bdb);color:#fff;border-radius:30px;padding:45px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.cta h2{font-size:clamp(1.9rem,4vw,3rem);margin:0 0 8px;letter-spacing:-.04em}.cta p{margin:0;color:#ded9ff}.page-hero{padding:56px 0 30px}.page-hero h1{font-size:clamp(2.3rem,5vw,4rem);letter-spacing:-.055em;margin:0 0 12px}.page-hero p{color:var(--muted);max-width:760px}.form-card,.content-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);max-width:760px;margin:0 auto 70px}.field{margin-bottom:18px}.field label{display:block;font-weight:800;margin-bottom:7px}.field input,.field textarea,.field select{width:100%;border:1px solid #cfd7e5;border-radius:12px;padding:12px 13px;font:inherit;background:white;color:var(--ink)}.field input:focus,.field textarea:focus,.field select:focus{outline:3px solid rgba(91,75,219,.14);border-color:var(--brand)}.check{display:flex;gap:10px;align-items:flex-start;color:#4c576d}.check input{margin-top:5px}.error-box{background:#fff0ef;border:1px solid #ffc9c5;color:#8e1c14;padding:14px 16px;border-radius:13px;margin-bottom:18px}.success-box,.status-box{background:#edfbf7;border:1px solid #b8ebdf;color:#126552;padding:16px;border-radius:13px}.payment-grid{display:grid;grid-template-columns:1fr .82fr;gap:22px;align-items:start}.payment-ref{font-size:clamp(1.45rem,4vw,2.2rem);font-weight:950;letter-spacing:.05em;padding:18px;background:#f2f0ff;border:1px dashed #8d81e8;border-radius:15px;text-align:center;word-break:break-all}.copy-row{display:flex;gap:9px;align-items:center;margin-top:10px}.copy-row .btn{padding:9px 13px}.status-pill{display:inline-flex;padding:8px 12px;border-radius:999px;background:#fff5d9;color:#7a5800;font-weight:800}.legal{max-width:780px;margin:0 auto 70px;background:white;border:1px solid var(--line);border-radius:var(--radius);padding:30px}.legal h2{margin-top:28px}.site-footer{background:#151c31;color:#c7cede;padding:38px 0}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:24px}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer-links a{color:#fff;text-decoration:none}.small{font-size:.88rem;color:var(--muted)}.admin-link{opacity:.35;text-decoration:none}.admin-link:hover{opacity:1}.hidden{display:none!important}.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#172033;color:white;padding:11px 15px;border-radius:11px;box-shadow:var(--shadow);z-index:99}.download-wrap{min-height:80vh;display:grid;place-items:center;padding:40px 16px}.download-card{width:min(560px,100%);background:white;border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:var(--shadow);text-align:center}.code-input{text-transform:uppercase;letter-spacing:.18em;font-weight:900;text-align:center;font-size:1.3rem}
@media(max-width:900px){.hero-grid,.payment-grid{grid-template-columns:1fr}.product-preview{max-width:560px;margin:auto}.cards{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr}.cta{grid-template-columns:1fr}.main-nav{display:none;position:absolute;top:72px;left:16px;right:16px;background:white;padding:12px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.mobile-menu{display:block;margin-left:auto}.lang-form{margin-left:0}.header-inner{gap:10px}}
@media(max-width:580px){.wrap{width:min(100% - 22px,1160px)}.hero{padding-top:52px}.hero h1{font-size:2.75rem}.cards{grid-template-columns:1fr}.form-card,.content-card,.legal{padding:20px}.cta{padding:28px}.header-inner{min-height:64px}.site-header .brand span:last-child{display:none}.main-nav{top:64px}.lang-form select{max-width:108px}.actions .btn{width:100%}.hero-points{display:grid;gap:7px}.payment-ref{font-size:1.25rem}.footer-grid{grid-template-columns:1fr}}

/* Real product screenshots from the actual SelfHostedChat interface. */
.product-preview.product-screens{
  position:relative;
  min-height:590px;
  padding:0;
  background:transparent;
  box-shadow:none;
  transform:none;
  overflow:visible;
}
.product-screens img{
  display:block;
  object-fit:cover;
  border:1px solid rgba(220,227,238,.95);
  box-shadow:0 22px 55px rgba(23,32,51,.18);
  background:#fff;
}
.product-screens .screen-main{
  width:min(64%,390px);
  height:auto;
  border-radius:30px;
  margin:0 auto;
  position:relative;
  z-index:3;
}
.product-screens .screen-side{
  position:absolute;
  width:56%;
  height:auto;
  border-radius:20px;
  z-index:2;
}
.product-screens .screen-admin{right:-3%;top:9%;transform:rotate(3deg)}
.product-screens .screen-reset{left:-3%;bottom:2%;width:43%;transform:rotate(-4deg)}
@media(max-width:900px){
  .product-preview.product-screens{min-height:560px;max-width:650px}
  .product-screens .screen-admin{right:2%}
  .product-screens .screen-reset{left:2%}
}
@media(max-width:580px){
  .product-preview.product-screens{min-height:430px;margin-top:26px}
  .product-screens .screen-main{width:62%;border-radius:22px}
  .product-screens .screen-side{border-radius:14px}
}


/* English landing pages */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.feature-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 35px rgba(23,32,51,.05)}.feature-panel>span{font-size:1.55rem}.feature-panel h2{font-size:1.3rem;margin:13px 0 8px}.feature-panel p{color:var(--muted);margin:0}.step-number{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#edeafe;color:var(--brand-dark);font-weight:900;margin-bottom:15px}.seo-steps h2{font-size:1.25rem}.wide-card{max-width:920px}.check-list{padding-left:1.25rem}.check-list li{margin:.55rem 0}.callout{margin-top:24px;padding:18px;border-radius:16px;background:#f7f5ff;border:1px solid #ded8ff}.callout p{margin:.35rem 0 0;color:var(--muted)}code{background:#f0f2f6;border:1px solid #e0e5ed;border-radius:6px;padding:.08rem .32rem;font-size:.92em}.requirements-table{max-width:960px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 35px rgba(23,32,51,.05)}.req-row{display:grid;grid-template-columns:1fr 1.45fr .8fr;gap:18px;padding:16px 20px;border-top:1px solid var(--line);align-items:center}.req-row:first-child{border-top:0}.req-head{background:#f8f9fd;color:#566078}.req-row>b{color:#087764}.req-row>b.recommended{color:#7a5800}.req-row>b.optional{color:#59667c}.top-gap{margin-top:24px}.faq-list{max-width:900px;margin:auto}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:16px;margin:0 0 12px;overflow:hidden}.faq-list summary{cursor:pointer;font-weight:850;padding:18px 20px;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';float:right;color:var(--brand)}.faq-list details[open] summary:after{content:'–'}.faq-list details p{margin:0;padding:0 20px 20px;color:var(--muted)}.landing-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.landing-links article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px}.landing-links article>span{font-size:.8rem;font-weight:900;color:var(--brand)}.landing-links h3{margin:10px 0 6px}.landing-links p{color:var(--muted)}.landing-links a{color:var(--brand-dark);font-weight:800;text-decoration:none}
@media(max-width:900px){.feature-grid{grid-template-columns:1fr}.landing-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.landing-links{grid-template-columns:1fr}.req-row{grid-template-columns:1fr;gap:4px}.req-head{display:none}}