:root{--ink:#0f172a;--blue:#3b82f6;--green:#22c55e;--bg:#f8fafc;--line:#e2e8f0;--muted:#64748b;--navy:#111c33}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:Inter,system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
h1,h2,h3,.logo{font-family:Outfit,Inter,sans-serif;line-height:1.15}
a{color:inherit;text-decoration:none}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
section{padding:80px 0}
.alt{background:var(--bg)}
.sec-title{text-align:center;font-size:2rem;margin-bottom:8px}
.sec-sub{text-align:center;color:var(--muted);margin-bottom:40px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}

header{position:sticky;top:0;z-index:5;background:#fffffff2;border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
.logo{font-weight:700;font-size:1.1rem}
nav{display:flex;gap:22px;font-size:.85rem;font-weight:500}
nav a:hover{color:var(--blue)}

.btn{display:inline-block;padding:11px 22px;border-radius:999px;font-weight:600;font-size:.9rem;border:1px solid var(--line);background:#fff;cursor:pointer}
.btn.wa{background:var(--green);border-color:var(--green);color:#fff}
.btn.dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.sm{padding:6px 14px;font-size:.78rem}
.btn.ghost{background:transparent;color:#fff;border-color:#ffffff55}

.hero{padding:70px 0}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.badge{display:inline-block;background:#dbeafe;color:#1d4ed8;font-size:.75rem;padding:3px 10px;border-radius:999px;margin-bottom:16px}
.hero h1{font-size:3rem;margin-bottom:16px}
.hero h1 span{color:var(--blue)}
.hero p{color:var(--muted);margin-bottom:24px;max-width:46ch}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap}
.cube-card{background:#fff;border-radius:24px;box-shadow:0 20px 50px #0f172a1a;padding:24px;position:relative}
.cube-card svg{width:100%;height:auto;display:block}
.tag{position:absolute;left:-18px;bottom:-18px;background:#fff;border-radius:12px;box-shadow:0 8px 24px #0f172a22;padding:8px 14px;font-size:.75rem;color:var(--muted)}
.tag b{display:block;color:var(--ink)}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:16px;padding:26px;background:var(--bg)}
.card h3{font-size:1.05rem;margin:14px 0 8px}
.card p{font-size:.85rem;color:var(--muted)}
.card a{display:inline-block;margin-top:14px;color:var(--blue);font-size:.82rem;font-weight:600}
.ico{width:42px;height:42px;border-radius:12px;background:var(--ink);display:grid;place-items:center;font-size:1.1rem}

.price{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column}
.price h3{font-size:.9rem}
.price .n{font-family:Outfit,sans-serif;font-size:1.9rem;color:var(--blue);font-weight:600;margin:8px 0}
.price .n small{font-size:.75rem;color:var(--muted);font-weight:400}
.price p{font-size:.82rem}
.price .note{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:.72rem;color:var(--muted)}

.zone{text-align:center;background:var(--bg);border-radius:16px;padding:26px}
.zone .ico{margin:0 auto 10px;background:#dbeafe}
.zone h3{font-size:1rem}
.zone p{font-size:.8rem;color:var(--muted)}

.dark-sec{background:var(--navy);color:#fff}
.dark-sec .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.dark-sec h2{font-size:2rem;margin-bottom:12px}
.dark-sec .lead{color:#bfdbfe;font-size:.9rem;margin-bottom:20px}
.dark-sec .cube-card{padding:10px;max-width:220px}
.dark-sec .card{background:#ffffff0d;border-color:#ffffff1f}
.dark-sec .card p{color:#94a3b8}
.dark-sec .card h3{font-size:.9rem}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps div{counter-increment:s}
.steps div::before{content:counter(s);display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;font-weight:600;font-size:.85rem;margin-bottom:10px}
.steps h3{font-size:.95rem}
.steps p{font-size:.8rem;color:var(--muted)}
.center{text-align:center;margin-top:36px}

details{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px;background:#fff}
summary{cursor:pointer;font-size:.9rem;font-weight:600;list-style:none;display:flex;justify-content:space-between}
summary::after{content:"+";color:var(--blue)}
details[open] summary::after{content:"–"}
details p{font-size:.85rem;color:var(--muted);margin-top:8px}

.cta{text-align:center}
.cta h2{font-size:2.2rem;margin-bottom:8px}
.cta p{color:#cbd5e1;margin-bottom:24px}
.phone{display:inline-block;background:var(--ink);border:1px solid #ffffff1f;border-radius:14px;padding:14px 40px;margin-bottom:22px;font-family:Outfit,sans-serif;font-size:1.8rem;font-weight:600}
.cta .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

footer{background:var(--navy);color:#cbd5e1;padding:40px 0 24px;border-top:1px solid #ffffff14;font-size:.8rem}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
footer h4{color:#fff;font-size:.8rem;margin-bottom:8px}
footer a{display:block;padding:2px 0}
footer a:hover{color:#fff}
.copy{max-width:1000px;margin:28px auto 0;padding:16px 20px 0;border-top:1px solid #ffffff14;font-size:.72rem}

.posts{display:grid;gap:20px}
.post{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.post time{font-size:.75rem;color:var(--muted)}
.post h2{font-size:1.25rem;margin:4px 0 8px}
.post p{font-size:.9rem;color:var(--muted)}

@media(max-width:800px){
 section{padding:56px 0}
 nav{display:none}
 .hero .wrap,.dark-sec .wrap,.grid2,.grid3,.steps{grid-template-columns:1fr}
 .grid4{grid-template-columns:1fr 1fr}
 footer .wrap{grid-template-columns:1fr 1fr}
 .hero h1{font-size:2.3rem}
 .tag{left:8px}
}
@media(max-width:480px){.grid4{grid-template-columns:1fr}.phone{font-size:1.4rem;padding:12px 24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.cube-card img{width:100%;height:auto;display:block}
.toc{list-style:none;padding:0;margin:0 0 36px;display:grid;gap:6px}
.toc a{color:var(--blue);font-size:.9rem;font-weight:500}
.post p+p{margin-top:10px}
.post a{color:var(--blue);font-weight:600}
.card h3 a:hover{color:var(--blue)}