:root{
  --royal:#2a1fbc;--royal-d:#1a1480;--navy:#0b1030;--ink:#141830;--sky:#7884ff;
  --bg:#f7f9fc;--mist:#e4e9ff;--soft:#f1f3ff;--line:#d6def5;--grey:#606c86;--white:#fff;
  --ok:#0f8a5f;--err:#c0322b;--r:14px;--r-lg:22px;
  --sh:0 1px 2px rgba(11,16,48,.06),0 8px 24px rgba(11,16,48,.06);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom)}
a{color:var(--royal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{color:var(--navy);line-height:1.15;margin:.2em 0 .45em;letter-spacing:-.02em}
h1{font-size:clamp(1.6rem,4.6vw,2.2rem);font-weight:800}
h2{font-size:clamp(1.35rem,3.6vw,1.9rem);font-weight:800}
h3{font-size:1.06rem;font-weight:700}
p{margin:.4em 0 .9em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:480px;padding-top:28px;padding-bottom:40px}
.muted{color:var(--grey)}
.small{font-size:.88rem}
.center{text-align:center}
.hidden{display:none!important}
[hidden]{display:none!important}

/* header */
.top{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;padding-top:env(safe-area-inset-top)}
.top-in{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:12px}
.brand img{display:block;height:44px;width:auto}
.top-nav{display:flex;align-items:center;gap:8px}
.who{font-weight:600;color:var(--navy);margin-right:4px}
.badge{font-style:normal;font-size:.72rem;background:#fff3d6;color:#8a5a00;border-radius:99px;padding:2px 8px;margin-left:4px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:10px 16px;font-weight:650;
  font-size:.95rem;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .05s,background .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--royal);color:#fff;box-shadow:0 6px 16px rgba(42,31,188,.22)}
.btn-primary:hover{background:var(--royal-d)}
.btn-ghost{background:var(--white);color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--sky)}
.btn-danger{background:var(--err);color:#fff}
.btn-lg{padding:14px 22px;font-size:1.02rem;border-radius:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.6;cursor:default}
.linkbtn{background:none;border:0;color:var(--royal);font:inherit;font-weight:600;cursor:pointer;padding:8px 0}
.inline{display:inline}

/* hero */
.hero{background:radial-gradient(900px 420px at 85% -10%,var(--mist),transparent 70%),linear-gradient(180deg,#fff,var(--bg));
  border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-top:56px;padding-bottom:64px}
.kicker{display:inline-block;font-size:.8rem;font-weight:700;color:var(--royal);background:var(--soft);border:1px solid var(--mist);
  border-radius:99px;padding:4px 12px;margin-bottom:14px;letter-spacing:.02em}
.hero h1{font-size:clamp(2.1rem,6vw,3.5rem);margin-bottom:.35em}
.hl{color:var(--royal)}
.lead{font-size:1.12rem;color:#3a4260;max-width:560px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 8px}
.cta.center{justify-content:center}
.hero-art{display:flex;justify-content:center}
.phone{width:min(340px,100%);background:#fff;border:1px solid var(--line);border-radius:30px;padding:16px;box-shadow:0 30px 60px rgba(11,16,48,.12)}
.phone-top{display:flex;align-items:center;gap:10px;padding:4px 6px 12px;border-bottom:1px solid var(--line);margin-bottom:12px;color:var(--navy)}
.phone-top img{border-radius:8px}
.chat{border-radius:16px;padding:10px 12px;margin:8px 0;font-size:.92rem;max-width:88%}
.chat b{display:block;font-size:.74rem;color:var(--grey);font-weight:600;margin-bottom:2px}
.c-in{background:var(--soft);border:1px solid var(--mist)}
.c-out{background:var(--royal);color:#fff;margin-left:auto}
.c-out i{display:block;font-size:.72rem;opacity:.8;font-style:normal;text-align:right;margin-top:2px}
.c-out i::before{content:"– "}
.memo{border:1px dashed var(--sky);background:#fbfbff;border-radius:12px;padding:8px 10px;font-size:.8rem;color:#3a4260}
.memo b{display:block;color:var(--royal);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em}
.chip-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.chip{font-size:.78rem;background:var(--bg);border:1px solid var(--line);border-radius:99px;padding:4px 10px;color:var(--navy);font-weight:600}

/* features */
.features,.how{padding:56px 0}
.features h2,.how h2{text-align:center;margin-bottom:28px}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh)}
.tile p{color:var(--grey);margin:0;font-size:.95rem}
.tile-ic{display:inline-block;width:44px;height:44px;border-radius:12px;background:var(--soft);margin-bottom:10px;position:relative}
.tile-ic::after{content:"";position:absolute;inset:10px;background:var(--royal);-webkit-mask:var(--m) center/contain no-repeat;mask:var(--m) center/contain no-repeat}
.ic-inbox{--m:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M22 12h-6l-2 3h-4l-2-3H2'/><path d='M5.5 5h13L22 12v6a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2v-6z'/></svg>")}
.ic-team{--m:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='9' cy='8' r='4'/><path d='M1 21v-1a7 7 0 0 1 14 0v1'/><path d='M16 4a4 4 0 0 1 0 8M23 21v-1a7 7 0 0 0-4-6.3'/></svg>")}
.ic-memory{--m:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect x='3' y='4' width='18' height='16' rx='2'/><circle cx='9' cy='10' r='2.5'/><path d='M5.5 17a3.5 3.5 0 0 1 7 0M15 9h3M15 13h3'/></svg>")}
.ic-polish{--m:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M12 3l1.8 4.7L18.5 9.5l-4.7 1.8L12 16l-1.8-4.7L5.5 9.5l4.7-1.8z'/><path d='M19 15l.8 2.2L22 18l-2.2.8L19 21l-.8-2.2L16 18l2.2-.8z'/></svg>")}
.ic-translate{--m:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M4 5h8M8 3v2M6 5c0 4 3 7 6 8M10 5c0 4-3 8-6 9'/><path d='M13 21l4-9 4 9M14.5 18h5'/></svg>")}
.ic-shield{--m:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M12 2l8 3v6c0 5-3.5 9-8 11-4.5-2-8-6-8-11V5z'/><path d='M8.5 12l2.5 2.5 4.5-5'/></svg>")}

/* steps */
.steps{list-style:none;counter-reset:s;padding:0;margin:0 auto;max-width:720px;display:grid;gap:12px}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px 14px 60px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:16px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--royal);color:#fff;
  font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.9rem}
.steps b{display:block;color:var(--navy)}
.steps span{color:var(--grey);font-size:.94rem}

/* cards & forms */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--sh)}
.card .appicon{display:block;border-radius:22%;margin-bottom:10px}
.card.center .appicon{margin-left:auto;margin-right:auto}
.form{display:grid;gap:14px;margin-top:16px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.9rem;color:var(--navy)}
.form input{font:inherit;font-size:16px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);width:100%}
.form input:focus{outline:none;border-color:var(--royal);box-shadow:0 0 0 4px rgba(42,31,188,.12)}
.code-in{letter-spacing:.4em;font-size:1.4rem!important;text-align:center;font-weight:700}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hint{font-size:.84rem;color:var(--grey);margin:-6px 0 0}
.hpf{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.notice{border-radius:12px;padding:10px 14px;margin:12px 0;font-size:.94rem}
.notice-err{background:#fdecea;color:#8b1e18;border:1px solid #f6c9c5}
.notice-info{background:var(--soft);color:var(--navy);border:1px solid var(--mist)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;text-align:left;margin:16px 0 20px;background:var(--bg);border-radius:12px;padding:14px}
.kv dt{color:var(--grey);font-size:.88rem}
.kv dd{margin:0;font-weight:600;word-break:break-word}

/* install */
.seg{display:flex;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:4px;margin:16px 0}
.seg-b{flex:1;border:0;background:none;padding:10px;border-radius:9px;font:inherit;font-weight:650;color:var(--grey);cursor:pointer}
.seg-b[aria-selected="true"]{background:#fff;color:var(--royal);box-shadow:var(--sh)}
.install .steps{margin-bottom:16px}

/* app home */
.welcome{padding:28px 0 48px;max-width:640px;margin:0 auto}
.numrow{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;margin:16px 0}
.numrow div{flex:1;display:grid;min-width:0}
.numrow b{white-space:nowrap}
.num-ic{width:38px;height:38px;border-radius:50%;background:var(--soft);position:relative}
.num-ic::after{content:"";position:absolute;inset:9px;background:var(--royal);-webkit-mask:var(--m) center/contain no-repeat;mask:var(--m) center/contain no-repeat;
  --m:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect x='6' y='2' width='12' height='20' rx='2'/><path d='M11 18h2'/></svg>")}
.pill{font-size:.75rem;font-weight:700;background:var(--soft);color:var(--royal);border-radius:99px;padding:4px 10px;white-space:nowrap}
.soon{background:linear-gradient(135deg,var(--soft),#fff);border:1px dashed var(--sky);border-radius:var(--r);padding:18px;margin:8px 0 16px}
.soon h2{font-size:1.2rem}

/* footer */
.foot{border-top:1px solid var(--line);background:#fff;padding:26px 0 32px;margin-top:20px;text-align:center;font-size:.9rem}
.foot p{margin:.25em 0}

@media (max-width:900px){
  .hero-in{grid-template-columns:1fr;padding-top:36px;padding-bottom:44px;gap:28px}
  .tiles{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .tiles{grid-template-columns:1fr}
  .brand img{height:38px}
  .top-nav .btn{padding:8px 12px;font-size:.88rem}
  .row2{grid-template-columns:1fr}
  .card{padding:22px 18px}
  .features,.how{padding:40px 0}
  .cta .btn-lg{flex:1}
}