*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--head);line-height:1.15;margin:0 0 .5em;color:var(--hc,var(--ink))}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
section[id]{scroll-margin-top:84px}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
.ic{flex:none}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:var(--r);font-weight:700;font-size:16px;background:var(--accent);color:var(--on-accent,#fff);border:2px solid var(--accent);transition:.2s;cursor:pointer;font-family:var(--body)}
.btn:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--ghost,var(--accent))}
.btn.ghost:hover{background:var(--accent);color:var(--on-accent,#fff)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer;color:inherit}
.nav-toggle span{display:block;width:26px;height:3px;background:currentColor;margin:5px 0;border-radius:2px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:26px;line-height:1;color:var(--accent);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:12px 0 0;color:var(--muted)}
footer a:hover{text-decoration:underline}
@media(max-width:860px){
 .nav-toggle{display:block}
 .menu{display:none}
 .menu.open{display:flex}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
:root{--head:'Plus Jakarta Sans',sans-serif;--body:'Plus Jakarta Sans',sans-serif;--ink:#17332a;--bg:#f6f9f7;--accent:#e0762b;--green:#1f4d3a;--mist:#dbeaf1;--muted:#56695f;--line:#d6e3dc;--r:12px}
body{font-size:16.5px}
.nav{background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line)}.nav .wrap{display:flex;justify-content:space-between;align-items:center;height:72px}
.logo{font-weight:800;font-size:21px;color:var(--green);display:flex;gap:8px;align-items:center}.logo .ic{color:var(--accent)}
.menu{display:flex;gap:24px;align-items:center;font-weight:600;font-size:15px}.menu a:hover{color:var(--accent)}
.hero{padding:70px 0 90px;transition:background .5s;background:linear-gradient(135deg,#fde7d3,#f6f9f7)}
.hero[data-mode=cool]{background:linear-gradient(135deg,var(--mist),#f6f9f7)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.toggle{display:inline-flex;background:#fff;border-radius:99px;padding:5px;box-shadow:0 4px 14px rgba(0,0,0,.08);margin-bottom:22px}
.toggle button{border:0;background:none;padding:10px 22px;border-radius:99px;font:700 15px var(--body);cursor:pointer;color:var(--muted);display:flex;gap:8px;align-items:center}
.hero[data-mode=heat] .toggle .h,.hero[data-mode=cool] .toggle .c{background:var(--green);color:#fff}
.hero h1{font-size:clamp(36px,5.2vw,64px);font-weight:800;letter-spacing:-.03em;line-height:1.05;color:var(--green)}
.hero .cool,.hero[data-mode=cool] .heat{display:none}.hero[data-mode=cool] .cool{display:block}.hero .heat{display:block}
.hero p{color:var(--muted);font-size:19px;max-width:520px;margin-top:16px}.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.btn{background:var(--accent);border-color:var(--accent)}.btn.ghost{background:transparent;color:var(--green);border-color:var(--green)}.btn.ghost:hover{background:var(--green);color:#fff}
.pics{position:relative}.pics img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:50% 50% 50% 8%}.pics img+img{position:absolute;width:42%;right:-8px;bottom:-14px;border:6px solid #fff;border-radius:50%}
.sec{padding:84px 0}.sec h2{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.02em;color:var(--green)}.lead{color:var(--muted);max-width:560px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.cards article{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;border-bottom:5px solid var(--accent)}
.cards article:nth-child(3n+2){border-bottom-color:var(--green)}.cards article:nth-child(3n){border-bottom-color:#5b9db8}
.cards .ic{color:var(--green);margin-bottom:12px}.cards h3{font-size:20px;font-weight:700}.cards p{margin:0;color:var(--muted)}
.rain{background:var(--green);color:#dcebe3}.rain .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding-top:80px;padding-bottom:80px}.rain h2{color:#fff}.rain img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r)}
.rain ul li{display:flex;gap:10px;padding:7px 0}.rain .ic{color:#f6b27a;margin-top:3px}
.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
.contact{background:var(--mist);padding:80px 0}.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.contact a.num{display:block;font-weight:800;font-size:clamp(32px,4.4vw,52px);color:var(--green);margin:6px 0 14px}.contact li{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid #b8d0dc;overflow-wrap:anywhere}.contact .ic{color:var(--accent);margin-top:3px}
.foot{background:#0f2a21;color:#a9c3b8;padding-top:42px;font-size:15px}.foot-in{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}.foot-name{color:#fff;font-size:18px}.copy{border-top:1px solid #214638;margin-top:30px;padding:18px 22px 24px;font-size:13px}
@media(max-width:860px){.hero .wrap,.rain .wrap,.faq-wrap,.contact .wrap,.cards,.foot-in{grid-template-columns:1fr}.hero{padding:44px 0 60px}.sec{padding:56px 0}.pics{max-width:340px}
.menu{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:22px;gap:16px;align-items:flex-start;border-bottom:1px solid var(--line)}.logo{font-size:18px}}