:root{
  --bg:#f6f7fb; --bg2:#ffffff; --card:#ffffff; --text:#14172b; --muted:#5b6078; --line:#e3e6f0;
  --brand:#4f46e5; --brand2:#7c3aed; --brand-ink:#ffffff; --soft:#eeeefe;
  --wa:#1fa855; --wa-ink:#ffffff; --warn-bg:#fff7e6; --warn-line:#f2d9a0; --shadow:0 10px 30px rgba(40,40,90,.08);
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0c0e1d; --bg2:#12142a; --card:#171a30; --text:#eef0ff; --muted:#a4a9c7; --line:#2a2e4d;
    --brand:#7c75ff; --brand2:#a07bff; --brand-ink:#0c0e1d; --soft:#1d2040; --wa:#2ecb70; --wa-ink:#06210f;
    --warn-bg:#2a2412; --warn-line:#5a4a1d; --shadow:0 10px 30px rgba(0,0,0,.35); }
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%} a{color:var(--brand)}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px} .skip:focus{left:12px;top:12px;background:var(--card);padding:8px 12px;border-radius:8px;z-index:99}

/* header */
header.site{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800;letter-spacing:.2px}
.brand img{width:34px;height:34px;border-radius:9px}
nav.main{display:flex;align-items:center;gap:4px}
nav.main a{color:var(--muted);text-decoration:none;padding:8px 12px;border-radius:8px;font-size:.95rem;font-weight:500}
nav.main a:hover{color:var(--text);background:var(--soft)}
nav.main a.active{color:var(--brand);background:var(--soft)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:40px;height:40px;color:var(--text);font-size:1.2rem;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;border:1px solid transparent;font:600 1rem inherit;font-family:inherit;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn-brand{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 20px rgba(79,70,229,.3)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{background:var(--soft)}
.btn-wa{background:var(--wa);color:var(--wa-ink)}
.btn-sm{padding:9px 16px;font-size:.92rem}
.btn-block{width:100%}

/* hero */
.hero{position:relative;overflow:hidden;padding:76px 0 56px}
.hero::before{content:"";position:absolute;inset:-20% -10% auto -10%;height:520px;background:radial-gradient(60% 60% at 30% 20%,rgba(124,58,237,.22),transparent 70%),radial-gradient(50% 50% at 80% 10%,rgba(79,70,229,.22),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;background:var(--soft);color:var(--brand);font-weight:700;font-size:.82rem;padding:5px 12px;border-radius:99px;margin-bottom:16px}
.hero h1{font-size:clamp(2rem,4.6vw,3.2rem);line-height:1.12;margin:0 0 16px;letter-spacing:-.02em}
.grad{background:linear-gradient(135deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:1.12rem;margin:0 0 26px;max-width:540px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin-top:16px;color:var(--muted);font-size:.9rem}

/* app mock */
.mock{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.mock-bar{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--bg2)}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:var(--line);display:block}
.mock-body{display:grid;grid-template-columns:130px 1fr;min-height:260px}
.mock-side{border-right:1px solid var(--line);padding:14px;display:flex;flex-direction:column;gap:8px;font-size:.8rem;color:var(--muted);background:var(--bg2)}
.mock-side b{color:var(--text);display:flex;align-items:center;gap:8px;margin-bottom:6px}
.mock-side b img{width:22px;height:22px;border-radius:6px}
.mock-side span{padding:6px 8px;border-radius:7px}
.mock-side span.on{background:var(--soft);color:var(--brand);font-weight:600}
.mock-main{padding:14px;display:flex;flex-direction:column;gap:8px}
.row{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:9px 11px;font-size:.82rem}
.row .dot{width:8px;height:8px;border-radius:50%;background:#16a34a}
.row .dot.off{background:#9aa0bd}
.row .nm{font-weight:600;flex:1}
.row .tag{color:var(--muted)}
.chip{font-size:.72rem;padding:2px 8px;border-radius:99px;background:var(--soft);color:var(--brand);font-weight:600}

/* sections */
section{padding:58px 0}
section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:0 0 8px;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 30px;max-width:640px}
.center{text-align:center}.center .sub{margin-left:auto;margin-right:auto}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.card h3{margin:12px 0 6px;font-size:1.08rem}
.card p{margin:0;color:var(--muted);font-size:.97rem}
.ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--soft);color:var(--brand)}
.ico svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.steps{counter-reset:s;display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 24px 24px 24px}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:700;margin-bottom:12px}
.step h3{margin:0 0 6px;font-size:1.05rem}.step p{margin:0;color:var(--muted);font-size:.96rem}

/* plans */
.plans{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));align-items:stretch}
.plan{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;position:relative}
.plan.best{border:2px solid var(--brand);box-shadow:var(--shadow)}
.plan .badge{position:absolute;top:-13px;left:24px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:.74rem;font-weight:700;padding:4px 12px;border-radius:99px}
.plan h3{margin:0;font-size:1.15rem}
.plan .price{font-size:2.3rem;font-weight:800;margin:10px 0 0;letter-spacing:-.02em}
.plan .price small{font-size:1rem;font-weight:600;color:var(--muted)}
.plan .per{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.plan ul{list-style:none;padding:0;margin:0 0 22px;flex:1}
.plan li{padding:6px 0 6px 26px;position:relative;color:var(--muted);font-size:.96rem}
.plan li::before{content:"";position:absolute;left:0;top:11px;width:14px;height:8px;border-left:2.5px solid var(--wa);border-bottom:2.5px solid var(--wa);transform:rotate(-45deg) scale(.85)}

/* misc blocks */
.callout{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:14px;padding:18px 20px;color:var(--text)}
.callout b{display:block;margin-bottom:4px}
.cta-band{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-radius:22px;padding:40px 28px;text-align:center}
.cta-band h2{color:#fff}.cta-band p{opacity:.92;margin:0 auto 22px;max-width:560px}
.cta-band .btn-wa{background:#fff;color:#14172b}
.page-head{padding:56px 0 24px}
.page-head h1{font-size:clamp(1.9rem,4vw,2.6rem);margin:0 0 10px;letter-spacing:-.02em}
.page-head p{color:var(--muted);max-width:680px;margin:0}
.prose{max-width:780px}
.prose h2{font-size:1.35rem;margin:34px 0 8px}
.prose p,.prose li{color:var(--muted)}
.prose ul{padding-left:22px}
.prose strong{color:var(--text)}
.two{display:grid;gap:30px;grid-template-columns:1fr 1fr;align-items:start}
table.spec{width:100%;border-collapse:collapse;font-size:.96rem}
table.spec td{padding:11px 0;border-bottom:1px solid var(--line);vertical-align:top}
table.spec td:first-child{color:var(--muted);width:42%}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
details summary{cursor:pointer;font-weight:600}
details p{margin:10px 0 0;color:var(--muted)}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--soft);padding:2px 7px;border-radius:6px;font-size:.88em}
pre.mono{padding:14px 16px;border-radius:12px;overflow:auto;line-height:1.6}

/* footer */
footer.site{border-top:1px solid var(--line);padding:44px 0 24px;background:var(--bg2);margin-top:30px}
.fgrid{display:grid;gap:28px;grid-template-columns:1.4fr 1fr 1fr 1fr}
footer.site h4{margin:0 0 10px;font-size:.92rem}
footer.site a{display:block;color:var(--muted);text-decoration:none;padding:3px 0;font-size:.93rem}
footer.site a:hover{color:var(--text)}
footer.site a.brand{display:flex;color:var(--text);padding:0;font-size:1rem}
footer.site p{color:var(--muted);font-size:.92rem;margin:10px 0 0;max-width:300px}
.legal{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--muted);font-size:.85rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

.fab{position:fixed;right:16px;bottom:16px;z-index:60;background:var(--wa);color:var(--wa-ink);padding:12px 18px;border-radius:99px;font-weight:700;text-decoration:none;box-shadow:0 8px 22px rgba(0,0,0,.25);display:flex;gap:8px;align-items:center}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr}.two{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr 1fr}
  .mock-body{grid-template-columns:1fr}.mock-side{display:none}
}
@media (max-width:760px){
  .menu-btn{display:block}
  nav.main{position:absolute;left:0;right:0;top:64px;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 20px 16px;display:none}
  nav.main.open{display:flex}
  nav.main a{padding:12px}
  .hero{padding:48px 0 36px}
  section{padding:42px 0}
}
@media (max-width:480px){.fgrid{grid-template-columns:1fr}.fab span{display:none}.fab{padding:14px}}