:root{
  --g50:#f0fdf4;--g100:#dcfce7;--g200:#bbf7d0;--g300:#86efac;--g400:#4ade80;
  --g500:#22c55e;--g600:#16a34a;--g700:#15803d;--g800:#166534;--g900:#14532d;
  --s50:#f8fafc;--s100:#f1f5f9;--s200:#e2e8f0;--s300:#cbd5e1;--s400:#94a3b8;
  --s500:#64748b;--s600:#475569;--s700:#334155;--s800:#1e293b;--s900:#0f172a;--s950:#020617;
  --r:16px;--rs:10px;--rl:24px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
/* Offset anchor scrolling so fixed langbar (32px) + nav (~64px) don't cover target */
[id]{scroll-margin-top:110px}
body{font-family:'DM Sans',sans-serif;background:var(--s950);color:var(--s200);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
.ctn{max-width:1200px;margin:0 auto;padding:0 24px}
.slbl{font-size:.75rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--g400);margin-bottom:16px}
.sh{font-family:'Instrument Serif',serif;font-size:clamp(2rem,5vw,3.25rem);color:#fff;line-height:1.15;margin-bottom:20px}
.ss{font-size:1.1rem;color:var(--s400);max-width:580px;line-height:1.7}

/* Lang dropdown */
.lb{position:fixed;top:0;left:0;right:0;z-index:200;background:var(--s900);border-bottom:1px solid rgba(255,255,255,.06);padding:4px 0}
.lb .ctn{display:flex;justify-content:flex-end;align-items:center}
.lang-dd{position:relative}
.lang-cur{display:flex;align-items:center;gap:5px;background:0;border:1px solid rgba(255,255,255,.1);color:var(--s300);font-family:'DM Sans',sans-serif;font-size:.8rem;font-weight:500;padding:4px 10px;border-radius:6px;cursor:pointer;transition:border-color .2s,background .2s}
.lang-cur:hover{border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.04)}
.lang-flag{font-size:1rem;line-height:1}
.lang-arrow{font-size:.6rem;color:var(--s500);margin-left:2px}
.lang-menu{display:none;position:absolute;top:calc(100% + 4px);right:0;background:var(--s800);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:4px;min-width:100px;box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:300}
.lang-dd.open .lang-menu{display:block}
.lang-opt{display:flex;align-items:center;gap:8px;width:100%;background:0;border:0;color:var(--s300);font-family:'DM Sans',sans-serif;font-size:.82rem;font-weight:500;padding:7px 12px;border-radius:5px;cursor:pointer;transition:background .15s,color .15s}
.lang-opt:hover{background:rgba(255,255,255,.08);color:#fff}
.lang-opt.act{color:var(--g400);background:rgba(34,197,94,.08)}

/* Nav */
nav{position:fixed;top:32px;left:0;right:0;z-index:100;padding:16px 0;background:rgba(2,6,23,.95);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.04)}
nav .ctn{display:flex;align-items:center;justify-content:space-between}
.nlogo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:#fff;text-decoration:none}
.nlogo-i{width:36px;height:36px;background:linear-gradient(135deg,var(--g500),var(--g400));border-radius:10px;display:grid;place-items:center;font-size:18px;box-shadow:0 0 20px rgba(34,197,94,.3)}
.nlinks{display:flex;align-items:center;gap:28px;list-style:none}
.nlinks a{font-size:.88rem;font-weight:500;color:var(--s400);text-decoration:none;transition:color .2s}
.nlinks a:hover{color:#fff}
.ncta{background:var(--g600)!important;color:#fff!important;padding:10px 22px;border-radius:50px;font-weight:600!important;transition:background .2s,transform .2s!important}
.ncta:hover{background:var(--g500)!important;transform:translateY(-1px)}
.mtog{display:none;background:0;border:0;color:#fff;font-size:1.5rem;cursor:pointer}

/* Buttons */
.bp{display:inline-flex;align-items:center;gap:8px;padding:16px 32px;background:linear-gradient(135deg,var(--g600),var(--g500));color:#fff;border:0;border-radius:50px;font-family:'DM Sans',sans-serif;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 24px rgba(34,197,94,.3)}
.bp:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(34,197,94,.4)}
.bs{display:inline-flex;align-items:center;gap:8px;padding:16px 32px;background:rgba(255,255,255,.05);color:#fff;border:1px solid rgba(255,255,255,.1);border-radius:50px;font-family:'DM Sans',sans-serif;font-size:1rem;font-weight:500;cursor:pointer;text-decoration:none;transition:background .2s}
.bs:hover{background:rgba(255,255,255,.08)}

/* Hero */
.hero{padding:180px 0 120px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:700px;height:700px;background:radial-gradient(circle,rgba(34,197,94,.12) 0%,transparent 70%);pointer-events:none}
.hero .ctn{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hbadge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px 6px 8px;background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);border-radius:50px;font-size:.8rem;font-weight:500;color:var(--g300);margin-bottom:24px;animation:fu .8s ease both}
.hbdot{width:8px;height:8px;background:var(--g400);border-radius:50%;animation:pd 2s infinite}
@keyframes pd{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-family:'Instrument Serif',serif;font-size:clamp(2.8rem,6vw,4.2rem);line-height:1.08;color:#fff;margin-bottom:24px;animation:fu .8s ease .1s both}
.hero h1 em{font-style:italic;color:var(--g400)}
.htxt{font-size:1.15rem;color:var(--s400);line-height:1.75;max-width:480px;margin-bottom:40px;animation:fu .8s ease .2s both}
.hacts{display:flex;gap:16px;flex-wrap:wrap;animation:fu .8s ease .3s both}
.hstats{display:flex;gap:40px;margin-top:48px;animation:fu .8s ease .4s both}
.hsv{font-family:'Instrument Serif',serif;font-size:2rem;color:#fff}
.hsl{font-size:.8rem;color:var(--s500);margin-top:4px}
.hvis{position:relative;animation:fu .8s ease .3s both}
.hcard{background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:var(--rl);padding:32px;backdrop-filter:blur(10px)}
.hch{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
.hct{font-size:.85rem;font-weight:600;color:var(--s300)}
.hcl{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--g400);font-weight:500}
.hcl::before{content:'';width:6px;height:6px;background:var(--g400);border-radius:50%;animation:pd 2s infinite}
.pchart{display:flex;align-items:flex-end;gap:6px;height:140px;margin-bottom:24px}
.pbar{flex:1;border-radius:4px 4px 0 0;position:relative;transition:height .5s}
.pbar.ch{background:linear-gradient(to top,var(--g700),var(--g500))}.pbar.mid{background:linear-gradient(to top,var(--s700),var(--s500))}.pbar.ex{background:linear-gradient(to top,#b45309,#f59e0b)}
.pbar.heat{box-shadow:0 0 12px rgba(34,197,94,.4)}.pbar.heat::after{content:'⚡';position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:11px}
.cleg{display:flex;gap:20px;margin-bottom:24px}.clegi{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--s400)}.clegd{width:8px;height:8px;border-radius:2px}
.savrow{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.15);border-radius:var(--rs)}
.savl{font-size:.85rem;color:var(--s300)}.savv{font-family:'Instrument Serif',serif;font-size:1.5rem;color:var(--g400)}
@keyframes fu{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* Trust / Devices */
.trust{padding:80px 0;border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.trust .ctn{text-align:center}
.trustl{font-size:.8rem;color:var(--s500);letter-spacing:.1em;text-transform:uppercase;font-weight:500;margin-bottom:12px}
.trust-sub{font-size:.9rem;color:var(--s400);margin-bottom:40px}
.trust-sub a{color:var(--g400);text-decoration:underline;text-underline-offset:2px}
.devgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:800px;margin:0 auto}
.devcard{padding:24px 16px;background:linear-gradient(145deg,rgba(255,255,255,.04),rgba(255,255,255,.01));border:1px solid rgba(255,255,255,.06);border-radius:var(--r);transition:transform .3s,border-color .3s;text-align:center}
.devcard:hover{transform:translateY(-4px);border-color:rgba(34,197,94,.2)}
.devimg{width:80px;height:80px;margin:0 auto 14px;border-radius:12px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;overflow:hidden}
.devimg img{width:72px;height:72px;object-fit:contain}
.devname{font-size:.85rem;font-weight:600;color:#fff;margin-bottom:2px}
.devtype{font-size:.72rem;color:var(--s500)}
.devbrand{display:inline-block;margin-top:8px;padding:2px 8px;font-size:.65rem;font-weight:600;border-radius:50px;letter-spacing:.03em}
.devbrand.shelly{background:rgba(0,115,209,.15);color:#4db8ff}
.devbrand.sonoff{background:rgba(255,152,0,.12);color:#ffb74d}
@media(max-width:768px){.devgrid{grid-template-columns:repeat(2,1fr)}}

/* Card base */
.gcard{padding:36px 32px;background:linear-gradient(145deg,rgba(255,255,255,.04),rgba(255,255,255,.01));border:1px solid rgba(255,255,255,.06);border-radius:var(--r);transition:transform .3s,border-color .3s}
.gcard:hover{transform:translateY(-4px);border-color:rgba(34,197,94,.2)}

/* How */
.how{padding:120px 0}
.howg{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:60px}
.snum{font-family:'Instrument Serif',serif;font-size:3rem;color:rgba(34,197,94,.15);line-height:1;margin-bottom:16px}
.sttl{font-weight:600;font-size:1.05rem;color:#fff;margin-bottom:12px}
.sdsc{font-size:.9rem;color:var(--s400);line-height:1.7}
.stm{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.75rem;color:var(--g400);font-weight:500}

/* Features */
.feat{padding:120px 0}
.featg{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:60px}
.ficon{width:48px;height:48px;background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);border-radius:12px;display:grid;place-items:center;font-size:22px;margin-bottom:20px}
.fttl{font-weight:600;font-size:1.05rem;color:#fff;margin-bottom:10px}
.fdsc{font-size:.9rem;color:var(--s400);line-height:1.7}

/* Appliances */
.appl{padding:120px 0;border-top:1px solid rgba(255,255,255,.04)}
.applg{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:60px}
.acard{text-align:center;padding:32px 20px}
.aicon{font-size:2.5rem;margin-bottom:16px}
.aname{font-weight:600;font-size:.95rem;color:#fff;margin-bottom:6px}
.apow{font-size:.8rem;color:var(--s500);margin-bottom:12px}
.asav{display:inline-block;padding:4px 12px;background:rgba(34,197,94,.1);border-radius:50px;font-size:.8rem;font-weight:600;color:var(--g400)}
.adev{font-size:.72rem;color:var(--s600);margin-top:10px}

/* Pricing — 3 tiers */
.price{padding:120px 0}
.ptoggle{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:16px;margin-bottom:60px}
.ptoggle span{font-size:.88rem;color:var(--s400);font-weight:500;cursor:pointer}.ptoggle span.act{color:#fff}
.tsw{width:48px;height:26px;background:var(--s700);border-radius:13px;position:relative;cursor:pointer;transition:background .3s}
.tsw.on{background:var(--g600)}
.tsw::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .3s}
.tsw.on::after{transform:translateX(22px)}
.psave{font-size:.72rem;color:var(--g400);font-weight:600;padding:3px 10px;background:rgba(34,197,94,.1);border-radius:50px}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{padding:40px 32px;background:linear-gradient(145deg,rgba(255,255,255,.04),rgba(255,255,255,.01));border:1px solid rgba(255,255,255,.06);border-radius:var(--rl);position:relative;transition:transform .3s}
.pcard:hover{transform:translateY(-4px)}
.pcard.feat{border-color:var(--g600);background:linear-gradient(145deg,rgba(34,197,94,.08),rgba(34,197,94,.02))}
.pcard-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);padding:5px 18px;background:var(--g600);color:#fff;font-size:.75rem;font-weight:600;border-radius:50px;white-space:nowrap}
.pname{font-weight:600;font-size:1.1rem;color:#fff;margin-bottom:6px}
.pdesc{font-size:.85rem;color:var(--s400);margin-bottom:24px}
.pprice{display:flex;align-items:baseline;gap:4px;margin-bottom:6px}
.pprice .amt{font-family:'Instrument Serif',serif;font-size:2.8rem;color:#fff}
.pprice .per{font-size:.9rem;color:var(--s500)}
.ppd{font-size:.85rem;color:var(--g400);margin-top:4px;font-weight:500}
.pannual{font-size:.8rem;color:var(--s500);margin-bottom:28px;min-height:20px}
.pfeats{list-style:none;margin-bottom:32px}
.pfeats li{padding:7px 0;font-size:.9rem;color:var(--s300);display:flex;align-items:flex-start;gap:10px}
.pfeats li::before{content:'✓';color:var(--g400);font-weight:700;font-size:.85rem;margin-top:2px}
.pbtn{display:block;width:100%;padding:14px;text-align:center;border-radius:50px;font-family:'DM Sans',sans-serif;font-size:.95rem;font-weight:600;text-decoration:none;cursor:pointer;border:0;transition:transform .2s,box-shadow .2s}
.pbtn-p{background:linear-gradient(135deg,var(--g600),var(--g500));color:#fff;box-shadow:0 4px 20px rgba(34,197,94,.3)}
.pbtn-p:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(34,197,94,.4)}
.pbtn-s{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.1)}
.pbtn-s:hover{background:rgba(255,255,255,.1)}
.pnote{text-align:center;margin-top:28px;font-size:.82rem;color:var(--s500)}
@media(max-width:1024px){.pgrid{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}}

/* FAQ */
.faq{padding:120px 0;border-top:1px solid rgba(255,255,255,.04)}
.faql{max-width:720px;margin:60px auto 0}
.faqi{border-bottom:1px solid rgba(255,255,255,.06)}
.faqq{width:100%;padding:24px 0;background:0;border:0;color:#fff;font-family:'DM Sans',sans-serif;font-size:1.05rem;font-weight:500;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:color .2s}
.faqq:hover{color:var(--g400)}
.faqic{font-size:1.5rem;color:var(--s500);transition:transform .3s;flex-shrink:0;margin-left:16px}
.faqi.open .faqic{transform:rotate(45deg);color:var(--g400)}
.faqa{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faqai{padding-bottom:24px;font-size:.95rem;color:var(--s400);line-height:1.7}

/* Registration Modal */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:300;backdrop-filter:blur(6px);overflow-y:auto;padding:40px 20px}
.modal-overlay.show{display:flex;justify-content:center;align-items:flex-start}
.regbox{width:100%;max-width:480px;margin:40px auto;padding:48px 40px;background:var(--s900);border:1px solid rgba(255,255,255,.08);border-radius:var(--rl);position:relative}
.regclose{position:absolute;top:16px;right:20px;background:0;border:0;color:var(--s400);font-size:1.5rem;cursor:pointer;transition:color .2s}.regclose:hover{color:#fff}
.regh{font-family:'Instrument Serif',serif;font-size:1.8rem;color:#fff;margin-bottom:6px}
.regsub{font-size:.9rem;color:var(--s400);margin-bottom:32px}
.fg{margin-bottom:20px}
.fl{display:block;font-size:.82rem;font-weight:500;color:var(--s300);margin-bottom:8px}
.fi{width:100%;padding:14px 16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--rs);color:#fff;font-family:'DM Sans',sans-serif;font-size:.95rem;outline:0;transition:border-color .2s}
.fi:focus{border-color:var(--g500)}
.fi::placeholder{color:var(--s600)}
select.fi{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
select.fi option{background:var(--s900);color:#fff}
.fchk{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}
.fchk input[type="checkbox"]{margin-top:3px;accent-color:var(--g500);width:16px;height:16px;flex-shrink:0}
.fchk label{font-size:.85rem;color:var(--s400);line-height:1.5}
.fchk a{color:var(--g400);text-decoration:underline}
.gdpr-note{font-size:.78rem;color:var(--s600);line-height:1.6;padding:14px 16px;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.04);border-radius:var(--rs);margin-bottom:24px}
.ferr{font-size:.78rem;color:#f87171;margin-top:6px;display:none}
.gbtn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px;background:#fff;color:#333;border:1px solid #ddd;border-radius:var(--rs);font-family:'DM Sans',sans-serif;font-size:.95rem;font-weight:600;cursor:pointer;transition:background .2s,box-shadow .2s}
.gbtn:hover{background:#f8f8f8;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.auth-divider{display:flex;align-items:center;gap:16px;margin:24px 0;color:var(--s600);font-size:.82rem}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:rgba(255,255,255,.08)}
.regfoot{text-align:center;margin-top:20px;font-size:.85rem;color:var(--s500)}
.regfoot a{color:var(--g400);text-decoration:none;font-weight:500}

/* CTA */
.ctasec{padding:120px 0}
.ctabox{padding:80px 60px;background:linear-gradient(145deg,rgba(34,197,94,.1),rgba(34,197,94,.03));border:1px solid rgba(34,197,94,.15);border-radius:var(--rl);text-align:center;position:relative;overflow:hidden}
.ctabox::before{content:'';position:absolute;top:-100px;left:50%;transform:translateX(-50%);width:600px;height:400px;background:radial-gradient(circle,rgba(34,197,94,.08) 0%,transparent 70%);pointer-events:none}
.ctabox h2{font-family:'Instrument Serif',serif;font-size:clamp(2rem,4vw,3rem);color:#fff;margin-bottom:16px;position:relative}
.ctabox p{font-size:1.1rem;color:var(--s400);max-width:500px;margin:0 auto 36px;position:relative}
.ctabox .bp{position:relative}

/* Footer */
footer{padding:60px 0 40px;border-top:1px solid rgba(255,255,255,.04)}
.ftg{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.ftbrand p{font-size:.9rem;color:var(--s500);margin-top:16px;line-height:1.7;max-width:280px}
.ftct{font-size:.8rem;font-weight:600;color:var(--s400);text-transform:uppercase;letter-spacing:.1em;margin-bottom:20px}
.ftl{list-style:none}.ftl li{margin-bottom:12px}.ftl a{font-size:.9rem;color:var(--s500);text-decoration:none;transition:color .2s}.ftl a:hover{color:var(--g400)}
.ftb{display:flex;justify-content:space-between;align-items:center;padding-top:32px;border-top:1px solid rgba(255,255,255,.04);font-size:.8rem;color:var(--s600)}

/* Responsive */
@media(max-width:1024px){
  .hero .ctn{grid-template-columns:1fr;gap:48px}
  .howg{grid-template-columns:repeat(2,1fr)}
  .featg{grid-template-columns:repeat(2,1fr)}
  .applg{grid-template-columns:repeat(2,1fr)}
  .ftg{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nlinks{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#020617;padding:16px 24px;gap:0;border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 20px 40px rgba(0,0,0,.8)}
  .nlinks.show{display:flex}
  .nlinks li{width:100%}
  .nlinks a{display:block;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.04);font-size:1rem}
  .nlinks li:last-child a{border-bottom:0}
  .nlinks li:last-child{border-bottom:0}
  .nlinks li:last-child a{border-bottom:0;padding:0;margin-top:12px}
  .ncta{display:inline-block!important;text-align:center;padding:12px 28px!important;font-size:.9rem!important}
  .mtog{display:block}
  .howg,.featg{grid-template-columns:1fr}
  .applg{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:2.4rem}
  .hstats{flex-direction:column;gap:20px}
  .ctabox{padding:48px 28px}
  .ftg{grid-template-columns:1fr;gap:32px}
  .ftb{flex-direction:column;gap:12px;text-align:center}
  .regbox{padding:32px 24px}
}