*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#0f2a3d;background:#fff;overflow-x:hidden}
a{color:#0b78c2}h1,h2,h3{line-height:1.15;margin:0 0 .5em}h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}.sec{padding:72px 20px}.narrow{max-width:760px}.sub{color:#557085;margin:-.2em 0 2em}
.band{background:linear-gradient(180deg,#f3f9fd,#eaf4fb)}
.btn{display:inline-block;background:linear-gradient(135deg,#0b8fe0,#0a6fb8);color:#fff;text-decoration:none;font-weight:700;padding:14px 24px;border-radius:12px;border:0;cursor:pointer;font-size:1rem;box-shadow:0 8px 20px #0b8fe033;transition:transform .15s}
.btn:hover{transform:translateY(-2px)}.btn.ghost{background:#fff;color:#0a6fb8;box-shadow:inset 0 0 0 2px #0a6fb8}.btn.sm{padding:9px 16px;font-size:.9rem}.btn.full{width:100%}
.nav{position:sticky;top:0;z-index:20;background:#ffffffe6;backdrop-filter:blur(10px);border-bottom:1px solid #e3eef6}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}.nav nav{display:flex;gap:24px}.nav nav a{text-decoration:none;color:#0f2a3d;font-weight:500}
.logo{font-weight:800;font-size:1.2rem;text-decoration:none;color:#0f2a3d;display:flex;align-items:center;gap:8px}.logo b{color:#0b8fe0}.logo-i{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#5cc8ff,#0a6fb8);color:#fff}
.hero{background:radial-gradient(ellipse at 80% 20%,#d7efff,transparent 60%),linear-gradient(180deg,#f6fbff,#fff);padding:64px 0 80px}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.hero h1{font-size:clamp(2rem,4.6vw,3.3rem)}.hero h1 span{color:#0b8fe0}
.tag{display:inline-block;background:#e1f2fd;color:#0a6fb8;font-weight:600;padding:6px 12px;border-radius:99px;font-size:.85rem}.lead{font-size:1.15rem;color:#3e5a6e}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 10px}.call{color:#557085}
.hero-art{position:relative;height:340px;border-radius:28px;background:linear-gradient(160deg,#bfe6ff,#e9f6ff 60%,#fff);overflow:hidden;box-shadow:0 30px 60px #0a6fb81f}
.unit{position:absolute;top:50px;left:50%;transform:translateX(-50%);width:72%;height:90px;background:#fff;border-radius:18px;box-shadow:0 12px 30px #0a3d6222}
.vents{position:absolute;bottom:14px;left:8%;right:8%;height:14px;background:repeating-linear-gradient(90deg,#d6e6f2 0 6px,transparent 6px 10px);border-radius:4px}.led{position:absolute;top:16px;right:20px;width:8px;height:8px;border-radius:50%;background:#2ecc71;box-shadow:0 0 8px #2ecc71}
.air{position:absolute;left:20%;width:60%;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,#7fd0ff,transparent);animation:blow 3s infinite ease-in-out}.a1{top:170px}.a2{top:200px;animation-delay:.6s}.a3{top:230px;animation-delay:1.2s}
@keyframes blow{0%{opacity:0;transform:translateY(-10px)}50%{opacity:1}100%{opacity:0;transform:translateY(30px)}}
.chip{position:absolute;background:#fff;padding:8px 14px;border-radius:12px;font-weight:600;font-size:.9rem;box-shadow:0 8px 20px #0a3d621a}.c1{bottom:30px;left:20px}.c2{bottom:80px;right:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid #e3eef6;border-radius:18px;padding:24px;background:#fff;transition:.2s}.card:hover{box-shadow:0 16px 40px #0a3d6214;transform:translateY(-3px)}.card p{color:#557085;margin:0}
.ic{font-size:1.6rem;width:52px;height:52px;display:grid;place-items:center;border-radius:14px;background:#e8f5fe;margin-bottom:14px}
.why{background:#fff;border-radius:16px;padding:20px 22px;border:1px solid #e3eef6}.why p{margin:.3em 0 0;color:#557085}
.quote{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}.ticks{padding:0;list-style:none}.ticks li{padding:6px 0 6px 30px;position:relative}.ticks li:before{content:"✓";position:absolute;left:0;color:#fff;background:#2ecc71;border-radius:50%;width:20px;height:20px;font-size:12px;display:grid;place-items:center;top:9px}
.form{background:#fff;border:1px solid #e3eef6;border-radius:20px;padding:24px;box-shadow:0 20px 50px #0a3d6212}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:14px}input,select,textarea{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid #cfe0ec;border-radius:10px;font:inherit;background:#fbfdff}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #7fd0ff;outline-offset:1px}
.err{color:#c0392b;min-height:1em;margin:0 0 8px;font-size:.9rem}.thanks{text-align:center;padding:20px}
.areas{display:flex;flex-wrap:wrap;gap:10px}.areas span{background:#fff;border:1px solid #cfe6f6;padding:10px 18px;border-radius:99px;font-weight:600}
.rev{margin:0;background:#fff;border:1px solid #e3eef6;border-radius:18px;padding:22px;color:#f5a623}.rev p{color:#0f2a3d}.rev cite{color:#7a92a3;font-size:.85rem;font-style:normal}
details{background:#fff;border:1px solid #e3eef6;border-radius:14px;padding:16px 20px;margin-bottom:10px}summary{font-weight:700;cursor:pointer}details p{color:#557085;margin:.6em 0 0}
.foot{background:#0f2a3d;color:#b9cddb;padding:40px 0 100px}.foot .logo{color:#fff}.foot a{color:#9fdcff}.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.fict{font-size:.8rem;opacity:.7}.made{font-size:.8rem;opacity:.8;align-self:flex-end}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* AI */
.ai-fab{position:fixed;right:20px;bottom:20px;z-index:50;border:0;cursor:pointer;color:#fff;font:700 1rem system-ui;padding:14px 20px;border-radius:99px;background:linear-gradient(135deg,#0b8fe0,#6a5cff);box-shadow:0 12px 30px #3b5bdb55;animation:pulse 2.5s infinite}
@keyframes pulse{0%,100%{box-shadow:0 12px 30px #3b5bdb55,0 0 0 0 #6a5cff55}50%{box-shadow:0 12px 30px #3b5bdb55,0 0 0 10px #6a5cff00}}
.ai-panel{position:fixed;right:20px;bottom:86px;z-index:51;width:360px;max-width:calc(100vw - 24px);height:500px;max-height:calc(100dvh - 110px);background:#fff;border-radius:22px;box-shadow:0 30px 80px #0a3d6240;display:flex;flex-direction:column;overflow:hidden;animation:pop .2s ease-out}
.ai-panel[hidden]{display:none}@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.97)}}
.ai-head{display:flex;align-items:center;gap:10px;padding:14px 16px;color:#fff;background:linear-gradient(135deg,#0b8fe0,#6a5cff)}.ai-head div{flex:1}.ai-head small{display:block;opacity:.85}
.ai-x,.ai-back{background:#ffffff26;border:0;color:#fff;width:32px;height:32px;border-radius:50%;font-size:1.3rem;cursor:pointer}
.ai-view{flex:1;padding:18px;overflow:auto}.ai-view[hidden]{display:none}.ai-hi{font-weight:600}
.ai-opt{display:flex;gap:14px;align-items:center;width:100%;text-align:left;border:1px solid #e3eef6;background:#f8fcff;padding:16px;border-radius:16px;margin-bottom:12px;cursor:pointer;font:inherit;color:inherit;transition:.15s}.ai-opt:hover{border-color:#0b8fe0;transform:translateY(-1px)}.ai-opt span{font-size:1.6rem}.ai-opt small{display:block;color:#557085}
#vVoice{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}#vVoice[hidden]{display:none}
.mic{position:relative;width:120px;height:120px;border-radius:50%;border:0;font-size:2.6rem;cursor:pointer;background:linear-gradient(135deg,#0b8fe0,#6a5cff);box-shadow:0 14px 34px #3b5bdb55}
.ring{position:absolute;inset:0;border-radius:50%;border:3px solid #6a5cff;opacity:0}.mic.on .ring{animation:ring 1.6s infinite}.mic.on .r2{animation-delay:.8s}
@keyframes ring{from{transform:scale(1);opacity:.7}to{transform:scale(1.7);opacity:0}}.vstat{color:#557085;margin-top:24px}
.chatv{display:flex;flex-direction:column;padding:0}.chatv[hidden]{display:none}.msgs{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:8px}
.m{max-width:82%;padding:10px 14px;border-radius:16px;font-size:.95rem}.m.bot{background:#eef6fc;border-bottom-left-radius:4px}.m.me{align-self:flex-end;background:#0b8fe0;color:#fff;border-bottom-right-radius:4px}
.typing{opacity:.6;font-style:italic}.chips{display:flex;gap:6px;padding:0 12px 8px;flex-wrap:wrap}.chips button{border:1px solid #cfe0ec;background:#fff;border-radius:99px;padding:6px 12px;cursor:pointer;font-size:.85rem}
.cin{display:flex;gap:8px;padding:12px;border-top:1px solid #e3eef6}.cin input{margin:0;font-size:16px}.cin button{border:0;background:#0b8fe0;color:#fff;border-radius:10px;width:46px;cursor:pointer}
@media (max-width:900px){.grid4{grid-template-columns:1fr 1fr}.grid3{grid-template-columns:1fr 1fr}.hero-in,.quote{grid-template-columns:1fr}.nav nav{display:none}.hero-art{height:260px}}
@media (max-width:560px){.grid4,.grid3,.row{grid-template-columns:1fr}.sec{padding:52px 18px}.ai-panel{right:12px;bottom:80px}.ai-fab{right:14px;bottom:14px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}