:root{
  --teal:#0E7C86;--teal-d:#0a5f67;--teal-l:#e6f3f4;--ink:#16232a;--mute:#56656c;--line:#e3e8ea;--bg:#fbfcfc;--warm:#fff8ec;--warn:#9a5b00;--red:#b3261e;
  --r:14px;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
a{color:var(--teal-d)}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:720px}
h1,h2,h3{line-height:1.3;letter-spacing:-.01em;margin:0 0 .5em;text-wrap:balance}
p,li,dd{text-wrap:pretty}
.tap{display:inline-block;padding:12px 0}
h1{font-size:clamp(1.85rem,5.2vw,3rem);font-weight:800}
h2{font-size:clamp(1.45rem,3.6vw,2.1rem);font-weight:750}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1em}
.mute{color:var(--mute)}
.small{font-size:.875rem}
.eyebrow{display:inline-block;font-size:.95rem;font-weight:700;color:var(--teal);margin-bottom:.6em}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(251,252,252,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.1rem;margin-right:auto;min-height:44px}
.brand img{width:34px;height:34px;border-radius:9px}
.nav .links{display:flex;gap:20px;align-items:center}
.nav .links a{color:var(--ink);text-decoration:none;font-size:.95rem;padding:10px 0}
.nav .links a:hover{color:var(--teal)}
.nav .links a.btn{color:#fff;white-space:nowrap}
.nav .links a.btn:hover{color:#fff}
.nav .links .opt{display:none}
@media(max-width:440px){.nav .wrap{gap:10px}.nav .links{gap:12px}.nav .btn{padding:8px 12px;font-size:.85rem}.brand{font-size:1rem;gap:8px}.brand img{width:30px;height:30px}.nav .links a{font-size:.9rem}}
@media(min-width:780px){.nav .links .opt{display:inline}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:999px;border:1.5px solid var(--teal);background:var(--teal);color:#fff;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;transition:background .15s,transform .15s}
.btn:hover{background:var(--teal-d);border-color:var(--teal-d)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--teal-d)}
.btn.ghost:hover{background:var(--teal-l)}
.btn.sm{min-height:44px;padding:8px 16px;font-size:.92rem}
.btn.danger{background:#fff;color:var(--red);border-color:#e7b4b0}
.btn[disabled]{opacity:.55;cursor:default}
.nav .btn{min-height:44px;padding:8px 18px;font-size:.92rem}

/* hero */
.hero{padding:40px 0 56px}
.steps li::before{float:left;margin:0 14px 0 0 !important}
.steps li h3{padding-top:5px}
.steps li p{clear:both;margin:10px 0 0}
.hero .grid{display:grid;gap:44px}
@media(min-width:960px){.hero .grid{grid-template-columns:1.05fr 1fr;align-items:center}.hero{padding:88px 0 104px}}
.hero .sub{font-size:1.08rem;color:var(--mute);max-width:36em}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:26px}
.cta .note{font-size:.9rem;color:var(--mute)}

/* product screen */
.screen{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 1px 2px rgba(16,40,48,.05),0 18px 50px -20px rgba(14,124,134,.28);overflow:hidden}
.screen .bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line);background:#f6f9f9;font-size:.85rem;color:var(--mute)}
.screen .bar b{color:var(--ink)}
.tag{display:inline-block;font-size:.78rem;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--teal-l);color:var(--teal-d);white-space:nowrap}
.tag.warm{background:var(--warm);color:var(--warn)}
.tag.grey{background:#eef1f2;color:var(--mute)}
.row{padding:16px 18px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row .t{font-weight:700;line-height:1.4;margin-bottom:4px;overflow-wrap:anywhere}
.row .meta{font-size:.86rem;color:var(--mute);display:flex;flex-wrap:wrap;gap:4px 14px}
.row .meta b{color:var(--ink);font-weight:600}
.row .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.row .sum{font-size:.9rem;margin:8px 0 0;color:#33444b}
.row .acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.screen .foot{padding:12px 18px;font-size:.8rem;color:var(--mute);background:#f6f9f9;border-top:1px solid var(--line)}

/* sections */
section{padding:52px 0}
@media(min-width:960px){section{padding:104px 0}}
.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lead{font-size:1.05rem;color:var(--mute);max-width:40em;margin-bottom:36px}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:18px;counter-reset:s}
@media(min-width:820px){.steps{grid-template-columns:repeat(3,1fr);gap:28px}}
.steps li{counter-increment:s;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.steps li::before{content:counter(s);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--teal);color:#fff;font-weight:800;margin-bottom:14px}
.feats{display:grid;gap:18px}
@media(min-width:760px){.feats{grid-template-columns:1fr 1fr;gap:26px}}
.feat{padding:20px 22px;border-radius:var(--r);background:var(--bg);border:1px solid var(--line)}
.feat svg{width:30px;height:30px;color:var(--teal);margin-bottom:12px}
.feat p{margin:0;color:var(--mute)}

/* live */
.live{display:grid;gap:28px}
@media(min-width:960px){.live{grid-template-columns:1.2fr 1fr;align-items:start}}
.demo{padding:26px;border-radius:var(--r);border:1px solid var(--line);background:#fff}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-weight:600;font-size:.92rem}
input[type=text],input[type=email],input[type=password],input[inputmode=numeric],select{font:inherit;font-size:1rem;min-height:48px;padding:10px 14px;border:1.5px solid #cfd8db;border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,.btn:focus-visible,a:focus-visible{outline:3px solid rgba(14,124,134,.35);outline-offset:2px}
.radii{display:flex;gap:8px;flex-wrap:wrap}
.radii label{position:relative}
.radii input{position:absolute;opacity:0;inset:0}
.radii span{display:inline-flex;align-items:center;min-height:44px;padding:8px 16px;border:1.5px solid #cfd8db;border-radius:999px;font-weight:600;cursor:pointer;background:#fff}
.radii input:checked+span{background:var(--teal);border-color:var(--teal);color:#fff}
.radii input:focus-visible+span{outline:3px solid rgba(14,124,134,.35)}
.inline{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.inline .field{flex:1 1 160px;margin:0}
.result{margin-top:18px}
.big{font-size:2.2rem;font-weight:800;color:var(--teal-d);line-height:1.1}

/* mail */
.mail{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;font-size:.93rem;max-width:620px}
.mail .hd{border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:14px;color:var(--mute);font-size:.85rem}
.mail .item{padding:12px 0;border-bottom:1px dashed var(--line)}
.mail .item:last-of-type{border-bottom:0}

/* price */
.plan{max-width:480px;margin:0 auto;padding:36px 30px;border-radius:22px;border:2px solid var(--teal);background:#fff;text-align:center}
.plan .amt{font-size:3.2rem;font-weight:800;line-height:1;margin:12px 0 4px}
.plan .amt small{font-size:1rem;font-weight:600;color:var(--mute)}
.plan ul{list-style:none;padding:0;margin:24px 0;text-align:left}
.plan li{padding:9px 0 9px 30px;position:relative;border-bottom:1px solid var(--line)}
.plan li::before{content:"";position:absolute;left:4px;top:15px;width:14px;height:8px;border-left:2.5px solid var(--teal);border-bottom:2.5px solid var(--teal);transform:rotate(-45deg)}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font-weight:700;padding:16px 32px 16px 0;list-style:none;position:relative;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:1.4rem;color:var(--teal)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--mute);margin:0 0 16px}

.band{background:var(--teal);color:#fff;text-align:center}
.band h2{color:#fff}
.band p{color:#fff}
.band .btn{background:#fff;color:var(--teal-d);border-color:#fff}
.band .btn:hover{background:var(--teal-l)}

/* footer */
.foot-site{padding:40px 0 48px;font-size:.88rem;color:var(--mute);border-top:1px solid var(--line);background:#fff}
.foot-site .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between}
.foot-site a{color:var(--mute)}
.syng-legal-links a{display:inline-block;padding:10px 8px;min-width:44px;text-align:center}

/* forms / app */
.page{padding:48px 0 80px;min-height:62vh}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.auth{max-width:440px;margin:0 auto}
.msg{padding:12px 14px;border-radius:10px;font-size:.93rem;margin:0 0 16px}
.msg.err{background:#fdecea;color:var(--red)}
.msg.ok{background:var(--teal-l);color:var(--teal-d)}
.msg.info{background:var(--warm);color:var(--warn)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;margin-bottom:16px}
.check input{width:20px;height:20px;margin-top:3px;accent-color:var(--teal)}
.list{display:grid;gap:0}
.sect{margin-top:36px}
.hidden{display:none !important}
.linkbtn{background:none;border:0;color:var(--teal-d);font:inherit;text-decoration:underline;cursor:pointer;padding:10px 0;min-height:44px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:0 0 8px}
.kv dt{color:var(--mute)}
.kv dd{margin:0;font-weight:600;overflow-wrap:anywhere}
@media (prefers-reduced-motion:reduce){*{transition:none !important;scroll-behavior:auto !important}}