/* PopupVanish — shared stylesheet
   ------------------------------------------------------------------ */

:root{
  --bg:#f7f8fb;
  --surface:#ffffff;
  --surface-2:#f1f3f9;
  --border:#e4e7f0;
  --text:#111426;
  --muted:#5b6178;
  --accent:#4f46e5;
  --accent-2:#7c5cff;
  --accent-soft:#eef0ff;
  --ok:#0f9d6f;
  --shadow:0 1px 2px rgba(17,20,38,.04),0 12px 32px rgba(17,20,38,.07);
  --radius:16px;
  --maxw:1080px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0b0d16;
    --surface:#131727;
    --surface-2:#1a1f33;
    --border:#252b42;
    --text:#eef0f7;
    --muted:#9aa2bd;
    --accent:#8b7dff;
    --accent-2:#a78bfa;
    --accent-soft:#1d2038;
    --ok:#34d399;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 18px 44px rgba(0,0,0,.45);
  }
}
:root[data-theme="dark"]{
  --bg:#0b0d16;--surface:#131727;--surface-2:#1a1f33;--border:#252b42;
  --text:#eef0f7;--muted:#9aa2bd;--accent:#8b7dff;--accent-2:#a78bfa;
  --accent-soft:#1d2038;--ok:#34d399;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 18px 44px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 16px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:20;
  background:color-mix(in srgb,var(--bg) 85%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;color:var(--text);font-size:17px}
.brand:hover{text-decoration:none}
.mark{width:28px;height:28px;flex:none;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;color:#fff;font-size:15px}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-links a{color:var(--muted);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--text);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--text)}
.nav .btn{padding:9px 16px}
.nav-links a.btn{color:#fff}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .nav-links a.btn{color:#0e1120}}
:root[data-theme="dark"] .nav-links a.btn{color:#0e1120}
@media(max-width:760px){.nav-links{gap:14px}.nav-links a.hide-sm{display:none}}
@media(max-width:560px){.nav-links a:not(.btn){display:none}.nav .btn{padding:9px 14px;font-size:14px}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--accent);color:#fff;font-weight:600;font-size:15px;
  padding:11px 20px;border-radius:12px;border:0;cursor:pointer;
  box-shadow:0 6px 18px color-mix(in srgb,var(--accent) 32%,transparent);
  transition:transform .15s ease,box-shadow .15s ease;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 38%,transparent)}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .btn{color:#0e1120}
  :root:not([data-theme="light"]) .btn.ghost{color:var(--text)}
}
:root[data-theme="dark"] .btn{color:#0e1120}
:root[data-theme="dark"] .btn.ghost{color:var(--text)}
.btn.lg{font-size:17px;padding:15px 28px;border-radius:14px}
.btn.ghost{background:var(--surface);color:var(--text);border:1px solid var(--border);box-shadow:none}
.btn.ghost:hover{background:var(--surface-2);box-shadow:none}

/* ---------- hero ---------- */
.hero{padding:76px 0 8px;text-align:center;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-160px 0 auto;height:420px;z-index:-1;
  background:radial-gradient(600px 240px at 50% 40%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 70%);
}
.pills{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:26px}
.pill{
  font-size:13px;font-weight:600;color:var(--muted);background:var(--surface);
  border:1px solid var(--border);border-radius:999px;padding:6px 13px;
  display:inline-flex;align-items:center;gap:7px;
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:block}
.hero h1{font-size:clamp(34px,6vw,56px);font-weight:800;max-width:15ch;margin:0 auto 20px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(17px,2.2vw,20px);color:var(--muted);max-width:56ch;margin:0 auto 30px}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.legal-note{font-size:13px;color:var(--muted);max-width:60ch;margin:18px auto 0;line-height:1.6}

/* ---------- browser demo ---------- */
.demo{margin:52px auto 0;max-width:680px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;text-align:left}
.demo .bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface-2)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--border)}
.url{margin-left:10px;font-size:12px;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:7px;padding:4px 10px;flex:1}
.demo .page{position:relative;padding:22px 20px 20px;min-height:186px}
.skeleton{height:11px;border-radius:6px;background:var(--surface-2);margin-bottom:11px}
.skeleton.w1{width:58%}.skeleton.w2{width:92%}.skeleton.w3{width:80%}.skeleton.w4{width:66%}.skeleton.w5{width:88%}
.banner{
  position:absolute;left:14px;right:14px;bottom:14px;
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:13px 14px;display:flex;align-items:center;gap:12px;
  box-shadow:var(--shadow);font-size:13px;color:var(--muted);
  animation:vanish 5.5s ease-in-out infinite;
}
.banner strong{color:var(--text);display:block;font-size:13.5px;margin-bottom:2px}
.banner .accept{margin-left:auto;background:var(--accent);color:#fff;font-weight:600;font-size:12.5px;padding:7px 14px;border-radius:9px;white-space:nowrap}
@keyframes vanish{
  0%,32%{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}
  46%,100%{opacity:0;transform:translateY(14px) scale(.96);filter:blur(3px)}
}
.stamp{
  position:absolute;right:16px;bottom:22px;font-size:12.5px;font-weight:600;color:var(--ok);
  display:flex;align-items:center;gap:6px;opacity:0;animation:stamp 5.5s ease-in-out infinite;
}
@keyframes stamp{0%,44%{opacity:0}58%,92%{opacity:1}100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.banner,.stamp{animation:none}.stamp{opacity:1}}

/* ---------- sections ---------- */
section{padding:72px 0}
.section-head{max-width:62ch;margin:0 auto 40px;text-align:center}
.section-head h2{font-size:clamp(26px,3.6vw,36px);font-weight:700;margin-bottom:12px}
.section-head p{color:var(--muted);margin:0}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{font-size:18px;font-weight:650;margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:15.5px}
.ico{width:40px;height:40px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:16px}
.ico svg{width:20px;height:20px}
.num{width:34px;height:34px;border-radius:11px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px;margin-bottom:16px}
.alt{background:var(--surface)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .alt{background:#0f1322}}
:root[data-theme="dark"] .alt{background:#0f1322}
.alt .card{background:var(--bg)}

/* ---------- faq ---------- */
.faq{max-width:760px;margin:0 auto}
details{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin-bottom:12px}
details[open]{box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;align-items:center;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";margin-left:auto;color:var(--muted);font-weight:500;font-size:20px;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin:12px 0 0;font-size:15.5px}

/* ---------- final cta ---------- */
.final{
  text-align:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;border-radius:24px;padding:56px 24px;margin:0 auto;
}
.final h2{font-size:clamp(26px,3.6vw,36px);font-weight:700;margin-bottom:12px}
.final p{opacity:.9;max-width:50ch;margin:0 auto 26px}
.final .btn{background:#fff;color:#1c1f33;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.final .btn:hover{box-shadow:0 14px 36px rgba(0,0,0,.24)}

/* ---------- legal pages ---------- */
main.legal{max-width:760px;margin:0 auto;padding:56px 16px 24px;line-height:1.7}
main.legal h1{font-size:clamp(30px,5vw,42px);font-weight:800;margin:0 0 10px}
main.legal .updated{color:var(--muted);font-size:15px;margin:0 0 36px}
main.legal h2{font-size:21px;font-weight:650;letter-spacing:-.01em;margin:40px 0 10px}
main.legal p,main.legal li{color:var(--muted)}
main.legal p{margin:0 0 14px}
main.legal ul{padding-left:20px;margin:0 0 14px}
main.legal li{margin-bottom:7px}
main.legal strong{color:var(--text);font-weight:600}
.callout{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px 24px;box-shadow:var(--shadow);margin:0 0 30px}
.callout p:last-child{margin-bottom:0}

/* ---------- 404 ---------- */
.notfound{text-align:center;padding:110px 16px 90px;max-width:560px;margin:0 auto}
.notfound h1{font-size:clamp(34px,6vw,52px);font-weight:800;margin-bottom:14px}
.notfound p{color:var(--muted);margin:0 0 28px}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--border);padding:40px 0;margin-top:72px;color:var(--muted);font-size:14.5px}
.foot{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.foot .links{margin-left:auto;display:flex;gap:20px;flex-wrap:wrap}
.foot a{color:var(--muted)}
.foot a:hover{color:var(--text)}
@media(max-width:640px){.foot .links{margin-left:0}}