:root{
  --bg:#070a14; --bg2:#0f1526; --card:#161e35; --line:#24304a;
  --text:#e8ecff; --muted:#94a3b8; --brand:#38bdf8; --brand2:#818cf8; --ok:#34d399; --warn:#fbbf24;
  --radius:16px; --shadow:0 20px 40px -10px rgba(0,0,0,.55);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
section{padding:96px 0}
.section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(28px,4.5vw,42px);margin-bottom:14px}
h3{font-size:clamp(18px,2.5vw,24px)}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}
.lead{color:var(--muted);font-size:18px;max-width:700px}
.center{text-align:center}
.center .lead{margin:0 auto}

/* navbar */
.navbar{position:sticky;top:0;z-index:60;backdrop-filter:blur(16px);background:rgba(7,10,20,.85);border-bottom:1px solid var(--line)}
.navbar .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:800;font-size:19px;display:flex;gap:10px;align-items:center}
.logo-icon{font-style:normal;display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2))}
.logo-text span{color:var(--brand)}
.nav-links{display:flex;gap:28px;list-style:none;font-size:15px;color:var(--muted);align-items:center}
.nav-links a{transition:.2s}
.nav-links a:hover{color:var(--text)}
.nav-actions{display:flex;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;font-weight:600;font-size:14px;border:1px solid transparent;cursor:pointer;transition:.25s}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 10px 30px -10px rgba(56,189,248,.45)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px -10px rgba(56,189,248,.6)}
.btn.ghost{border-color:var(--line);color:var(--text)}
.btn.ghost:hover{border-color:var(--brand)}
.mobile-toggle{display:none;background:none;border:none;color:var(--text);font-size:20px;cursor:pointer}
.nav-links.open{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:var(--bg2);padding:24px;border-bottom:1px solid var(--line);gap:16px}

/* hero */
.hero{padding:110px 0 70px;background:radial-gradient(1000px 600px at 80% -15%,rgba(129,140,248,.22),transparent 60%),radial-gradient(800px 500px at 0% 15%,rgba(56,189,248,.18),transparent 60%)}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-content .eyebrow{margin-bottom:14px}
.hero h1{font-size:clamp(38px,6vw,64px);margin-bottom:20px}
.hero h1 span{background:linear-gradient(135deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:19px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:flex;gap:30px;flex-wrap:wrap}
.stat{display:flex;align-items:center;gap:10px}
.stat-number{font-size:20px;font-weight:800;color:var(--brand)}
.stat-label{font-size:13px;color:var(--muted)}

/* phone mock */
.phone{width:100%;max-width:380px;margin:0 auto;background:#0b101c;border:10px solid #1f2a44;border-radius:44px;overflow:hidden;box-shadow:0 50px 100px -40px rgba(0,0,0,.9)}
.phone-head{display:flex;align-items:center;gap:14px;padding:16px 18px;background:#141c2b;border-bottom:1px solid #0e1520}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));font-size:18px}
.phone-info{display:flex;flex-direction:column}
.phone-name{font-weight:700;font-size:15px}
.phone-status{font-size:11px;color:var(--ok)}
.chat{padding:18px;height:540px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;font-size:13.5px;background:#0b101c;scrollbar-width:none}
.chat::-webkit-scrollbar{display:none}
.msg{max-width:88%;padding:10px 13px;border-radius:14px;white-space:pre-line;line-height:1.5;animation:pop .35s ease both}
.msg.bot{background:#162030;border-bottom-left-radius:4px;align-self:flex-start}
.msg.me{background:#1e4a78;border-bottom-right-radius:4px;align-self:flex-end}
.kb{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.kb span{background:rgba(56,189,248,.14);color:#7dd3fc;text-align:center;padding:8px;border-radius:8px;font-size:12.5px;font-weight:500}
.rtl{direction:rtl;text-align:right}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.phone-input{display:flex;gap:8px;padding:12px 18px;background:#141c2b;border-top:1px solid #0e1520}
.phone-input input{flex:1;background:#0b101c;border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--text);font-size:13px}
.phone-input input:focus{outline:none;border-color:var(--brand)}
.send-btn{background:var(--brand);color:#000;border:none;border-radius:10px;width:34px;height:34px;display:grid;place-items:center;cursor:pointer;font-weight:800}
.lang-tabs{display:flex;justify-content:center;gap:10px;margin-top:22px}
.lang-tabs button{font:inherit;font-size:13px;font-weight:600;padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--muted);cursor:pointer;transition:.2s}
.lang-tabs button.on{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-color:transparent}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* section header */
.section-header{margin-bottom:52px}
.section-header.center{text-align:center}
.section-header .eyebrow{margin-bottom:10px}

/* features */
.grid{display:grid;gap:24px;margin-top:56px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:1024px){.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g4,.g3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.3s}
.card:hover{transform:translateY(-4px);border-color:var(--brand)}
.feature-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:22px;margin-bottom:16px;background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(129,140,248,.18))}
.feature-card h3{font-size:17px;margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:14.5px;line-height:1.55}

/* flow / steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:56px}
@media(max-width:1024px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.steps{grid-template-columns:1fr}}
.step{padding:30px 24px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);position:relative}
.step-number{font-size:26px;font-weight:800;color:var(--muted);margin-bottom:14px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px;line-height:1.5}

/* admin */
.admin-split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:flex-start;margin-top:56px}
@media(max-width:900px){.admin-split{grid-template-columns:1fr;gap:32px}}
.admin-info .ticks{list-style:none;margin-top:24px;display:grid;gap:14px}
.admin-info .ticks li{padding-left:34px;position:relative;color:var(--muted);font-size:15px;line-height:1.6}
.admin-info .ticks li::before{content:"✓";position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;background:rgba(52,211,153,.16);color:var(--ok)}
.admin-info .ticks b{color:var(--text)}
.admin-preview{display:flex;justify:center:flex-end}
.admin-card{background:#121a28;border-radius:16px;border:1px solid #1f2d44;padding:24px;font-size:14px;white-space:pre-line;line-height:1.7;box-shadow:var(--shadow);max-width:420px}
.admin-header{font-weight:800;color:var(--brand);margin-bottom:12px;font-size:15px}
.admin-body{color:var(--muted);margin-bottom:14px}
.admin-footer{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.admin-footer .cmd{display:inline-block;background:rgba(56,189,248,.14);color:#7dd3fc;padding:4px 10px;border-radius:6px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* pricing */
.pricing-card{display:flex;flex-direction:colum;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;position:relative}
.pricing-card.featured{border-color:var(--brand);z-index:2}
.pricing-badge{position:absolute;top:-10px;right:-10px;background:var(--brand);color:#000;font-size:10px;font-weight:800;padding:4px 14px;border-radius:999px;transform:rotate(5deg)}
.pricing-header{padding:32px}
.pricing-header h3{margin-bottom:8px}
.price{font-size:38px;font-weight:800;line-height:1;display:flex;align-items:flex-start;gap:2px;margin-bottom:6px}
.price .currency{font-size:20px;color:var(--muted)}
.price .period{font-size:14px;color:var(--muted);margin-top:6px}
.pricing-desc{color:var(--muted);font-size:14px;margin-top:10px}
.pricing-list{list-style:none;padding:24px 32px;display:flex;flex-direction:column;gap:10px}
.pricing-list li{color:var(--muted);font-size:14px;display:flex;align-items:flex-start;gap:10px}
.pricing-list li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--ok);flex-shrink:0;margin-top:3px}
.pricing-list li::before{content:"✓";font-size:12px;color:var(--ok);background:none;width:auto}
.pricing-list li:nth-child(6),.pricing-list li:nth-child(7){color:#64748b;opacity:.7}
.pricing-card .btn{width:100%;justify-content:center;margin:0 32px 32px}

/* FAQ */
.faq-grid{display:grid;gap:14px;margin-top:56px;max-width:800px}
@media(max-width:640px){.faq-grid{grid-template-columns:1fr}}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq-question{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font:inherit;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:.2s}
.faq-question:hover{background:rgba(255,255,255,.03)}
.faq-answer{padding:0 24px 20px;color:var(--muted);font-size:14.5px;line-height:1.6;display:none;border-top:1px solid var(--line)}
.faq-item.open .faq-answer{display:block}

/* contact */
.final{text-align:center;background:radial-gradient(800px 300px at 50% 0,rgba(129,140,248,.25),transparent 70%)}

/* footer */
footer{padding:50px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.footer-grid{display:grid;grid-template-columns:1fr 2fr 2fr;gap:40px;margin-bottom:40px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;flex-direction:column;gap:8px}
.footer-brand .logo-text span{color:var(--brand)}
.footer-links h4,.footer-tech h4{color:var(--text);font-size:14px;margin-bottom:16px}
.footer-links a{display:block;color:var(--muted);margin-bottom:10px;font-size:14px;transition:.2s}
.footer-links a:hover{color:var(--text)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.chip{padding:7px 16px;border-radius:10px;background:var(--card);border:1px solid var(--line);font-size:13px;font-weight:600}
.footer-bottom{padding-top:30px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;text-align:center}