:root{--bg:#f7faff;--surface:rgba(255,255,255,.78);--text:#102a56;--muted:#62789d;--blue:#1769ff;--blue2:#64a5ff;--line:#dbe8fa;--shadow:0 24px 70px rgba(38,93,173,.12);--radius:28px}
*{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;color:var(--text);background:radial-gradient(circle at 75% 5%,#eaf3ff 0,transparent 34%),linear-gradient(180deg,#f9fbff 0,#eef6ff 100%);overflow-x:hidden}a{text-decoration:none;color:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:5}.brand{font-weight:900;font-size:25px;letter-spacing:-1.2px;color:#0f4a9b}.brand span{color:#2677ff}.nav-links{display:flex;align-items:center;gap:28px;color:#58719a;font-size:14px;font-weight:700}.nav-links a:hover{color:var(--blue)}.nav-actions{display:flex;gap:12px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:14px;padding:13px 20px;font-weight:800;cursor:pointer;transition:.25s transform,.25s box-shadow,.25s background}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,#1262f5,#3d8cff);color:#fff;box-shadow:0 14px 35px rgba(23,105,255,.26)}.btn-ghost{background:#fff;border:1px solid var(--line);color:#21538f}.hero{min-height:690px;display:grid;grid-template-columns:.88fr 1.12fr;gap:55px;align-items:center;padding:55px 0 80px;position:relative}.hero:before{content:"";position:absolute;right:-260px;top:0;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,#dcecff 0,transparent 65%);z-index:-1}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#1d70f6;font-weight:800;font-size:13px;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";width:28px;height:2px;background:#3d8cff;border-radius:4px}.hero h1{font-size:clamp(42px,5vw,70px);line-height:1.03;letter-spacing:-3.2px;margin:18px 0 18px}.hero h1 span{display:block;color:#1b6bff}.hero .lead{font-size:18px;line-height:1.75;color:var(--muted);max-width:560px;margin:0 0 27px}.hero .tagline{font-weight:900;color:#1b3f74;letter-spacing:.08em;font-size:13px;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-note{margin-top:16px;font-size:12px;color:#7a8eac}.hero-visual{position:relative}.hero-visual img{width:100%;display:block;border-radius:26px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.9);animation:float 7s ease-in-out infinite}.hero-glow{position:absolute;inset:8% -8% -8% 8%;background:linear-gradient(135deg,rgba(69,151,255,.24),rgba(120,101,255,.1));filter:blur(50px);z-index:-1;border-radius:50%}.section{padding:88px 0}.section-head{max-width:700px;margin:0 auto 42px;text-align:center}.section-kicker{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:#4e83c7;font-weight:900}.section h2{font-size:clamp(30px,4vw,46px);letter-spacing:-1.7px;margin:10px 0 12px}.section p{color:var(--muted);line-height:1.7}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{background:var(--surface);border:1px solid rgba(219,232,250,.9);border-radius:22px;padding:26px;box-shadow:0 16px 50px rgba(38,93,173,.07);transition:.25s}.feature:hover{transform:translateY(-5px);box-shadow:0 22px 60px rgba(38,93,173,.13)}.feature-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:#e8f2ff;font-size:22px;margin-bottom:20px}.feature h3{margin:0 0 8px;font-size:18px}.feature p{margin:0;font-size:14px}.shots{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:center}.shot-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:10px;box-shadow:var(--shadow);overflow:hidden}.shot-card img{width:100%;display:block;border-radius:18px}.shot-copy{padding:15px 10px}.shot-copy h3{font-size:27px;margin:0 0 12px;letter-spacing:-.8px}.shot-copy p{margin:0 0 22px}.mini-shot{margin-top:22px}.dark-section{background:#071a39;color:#fff;position:relative;overflow:hidden}.dark-section:before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;right:-250px;top:-280px;background:radial-gradient(circle,rgba(64,132,255,.24),transparent 67%)}.dark-section p{color:#a9bad7}.dark-section .feature{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);box-shadow:none}.dark-section .feature-icon{background:rgba(72,142,255,.14)}.cta{padding:90px 0}.cta-card{border-radius:32px;padding:56px;text-align:center;background:linear-gradient(135deg,#0e4ca8,#1c77ff 60%,#7d8cff);color:#fff;box-shadow:0 30px 80px rgba(32,98,210,.28);position:relative;overflow:hidden}.cta-card:after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;right:-120px;top:-180px;background:rgba(255,255,255,.1)}.cta-card h2{font-size:clamp(30px,4vw,48px);letter-spacing:-1.5px;margin:0 0 12px}.cta-card p{color:#e2edff;margin:0 auto 26px;max-width:650px}.cta-card .btn{background:#fff;color:#1352a4}.footer{padding:32px 0;border-top:1px solid rgba(199,217,241,.8);color:#7085a5;font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}.support-fab{position:fixed;right:22px;bottom:22px;z-index:30}.support-fab .btn{border-radius:50px;padding:13px 18px;background:#fff;box-shadow:0 16px 40px rgba(27,78,142,.18);border:1px solid var(--line);color:#1958a4}.dot{display:inline-block;width:7px;height:7px;background:#ff6a6a;border-radius:50%;vertical-align:middle;margin-left:3px;box-shadow:0 0 0 0 rgba(255,106,106,.4);animation:pulse 2.2s infinite}.page-shell{min-height:100vh}.chat-wrap{width:min(1050px,calc(100% - 28px));margin:28px auto 50px}.chat-card{height:calc(100vh - 120px);min-height:610px;background:rgba(255,255,255,.84);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);display:grid;grid-template-rows:auto 1fr auto;overflow:hidden}.chat-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:15px}.chat-title{font-weight:900}.chat-sub{font-size:12px;color:#7589a7;margin-top:4px}.name-input{border:1px solid var(--line);border-radius:12px;padding:10px 12px;width:170px;outline:none}.messages{padding:24px;overflow:auto;display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,#f9fbff,#f3f8ff)}.bubble{max-width:min(78%,650px);padding:12px 15px;border-radius:18px;line-height:1.55;font-size:14px;white-space:pre-wrap;word-break:break-word}.bubble.customer{align-self:flex-end;background:#1769ff;color:#fff;border-bottom-right-radius:6px}.bubble.admin{align-self:flex-start;background:#fff;border:1px solid var(--line);color:#203b64;border-bottom-left-radius:6px}.bubble img{display:block;max-width:100%;max-height:360px;border-radius:12px;margin-top:9px}.time{font-size:10px;opacity:.62;margin-top:6px}.composer{padding:14px;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center}.composer textarea{flex:1;resize:none;border:1px solid var(--line);border-radius:15px;padding:12px;min-height:46px;max-height:120px;font:inherit;outline:none}.icon-btn{border:1px solid var(--line);background:#fff;width:46px;height:46px;border-radius:14px;cursor:pointer}.admin-shell{width:min(1250px,calc(100% - 28px));margin:28px auto}.admin-card{min-height:calc(100vh - 100px);background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden}.admin-login{max-width:430px;margin:15vh auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow)}.admin-login h1{margin-top:0}.field{width:100%;padding:13px;border:1px solid var(--line);border-radius:12px;margin:8px 0 15px;outline:none;font:inherit}.admin-layout{display:grid;grid-template-columns:330px 1fr;height:calc(100vh - 100px);min-height:650px}.conversation-list{border-right:1px solid var(--line);overflow:auto}.conv{padding:17px 18px;border-bottom:1px solid #edf3fb;cursor:pointer}.conv:hover,.conv.active{background:#f1f7ff}.conv-name{font-weight:800}.conv-time{font-size:11px;color:#8294af;margin-top:5px}.new-pill{float:right;width:8px;height:8px;background:#ff6767;border-radius:50%;margin-top:5px}.admin-chat{display:grid;grid-template-rows:auto 1fr auto;min-width:0}.empty-state{display:grid;place-items:center;color:#8294af}.admin-top{padding:17px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.status{font-size:12px;color:#6d83a3}.error{color:#c33838;font-size:13px;margin:8px 0}.preview{font-size:12px;color:#6880a0;margin-left:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:180px}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,106,106,.4)}70%{box-shadow:0 0 0 8px rgba(255,106,106,0)}100%{box-shadow:0 0 0 0 rgba(255,106,106,0)}}
@media(max-width:900px){.nav-links{display:none}.hero{grid-template-columns:1fr;padding-top:35px}.hero-visual{order:-1}.feature-grid,.shots{grid-template-columns:1fr}.cta-card{padding:40px 24px}.admin-layout{grid-template-columns:1fr}.conversation-list{height:270px;border-right:0;border-bottom:1px solid var(--line)}.admin-chat{height:calc(100vh - 370px)}}
@media(max-width:600px){.container{width:min(100% - 24px,1160px)}.nav{height:68px}.brand{font-size:21px}.nav-actions .btn-ghost{display:none}.hero h1{font-size:43px;letter-spacing:-2px}.hero .lead{font-size:16px}.hero{min-height:auto;padding:30px 0 65px}.section{padding:65px 0}.support-fab{right:12px;bottom:12px}.support-fab .btn{padding:12px 15px}.chat-wrap{width:calc(100% - 14px);margin:7px auto}.chat-card{height:calc(100vh - 14px);min-height:0;border-radius:20px}.chat-head{padding:13px}.name-input{width:125px}.messages{padding:15px}.bubble{max-width:88%}.admin-shell{width:calc(100% - 14px);margin:7px auto}.admin-card{border-radius:20px}.admin-layout{height:calc(100vh - 14px);min-height:0}}