/* shy — modern product landing (dark) */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;color-scheme:dark;}
:root{
  --bg:#0a0a0c;
  --bg-2:#111114;
  --ink:#f5f5f7;
  --muted:rgba(245,245,247,.58);
  --faint:rgba(245,245,247,.38);
  --line:rgba(245,245,247,.1);
  --accent:#c8f135;
  --accent-ink:#0c1004;
  --surface:#111114;
  --max:1080px;
  --pad:clamp(20px,5vw,48px);
  --sec:clamp(64px,12vh,112px);
  --font:"Instrument Sans",ui-sans-serif,system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
html,body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-weight:400;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  letter-spacing:-0.011em;
  min-height:100%;
}
img{display:block;max-width:100%;}
a{color:inherit;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.wrap{width:min(100%,var(--max));margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}

/* Nav */
.site-nav{
  position:sticky;top:0;z-index:100;
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  background:rgba(10,10,12,.78);
  border-bottom:1px solid var(--line);
}
.site-nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:56px;
  width:min(100%,var(--max));margin:0 auto;padding:8px var(--pad);
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--ink);font-weight:600;font-size:1.125rem;
  letter-spacing:-0.04em;
}
.logo img{width:28px;height:28px;border-radius:7px;}
.nav-right{display:flex;align-items:center;gap:clamp(12px,3vw,28px);}
.nav-links{display:none;align-items:center;gap:22px;}
@media (min-width:760px){.nav-links{display:flex;}}
.nav-links a{
  text-decoration:none;font-size:.875rem;font-weight:500;color:var(--muted);
}
.nav-links a:hover{color:var(--ink);}
.nav-download{
  display:inline-flex;align-items:center;
  text-decoration:none;font-size:.8125rem;font-weight:600;
  color:var(--accent-ink);background:var(--accent);
  padding:8px 14px;border-radius:980px;
}
.nav-download:hover{filter:brightness(.96);}

/* Hero */
.hero{
  padding:clamp(48px,10vh,96px) 0 clamp(40px,8vh,72px);
  background:
    radial-gradient(ellipse 80% 55% at 85% 0%, rgba(200,241,53,.12), transparent 55%),
    linear-gradient(180deg, #111114 0%, var(--bg) 100%);
}
.hero-grid{
  display:grid;gap:clamp(36px,6vw,64px);align-items:center;
}
@media (min-width:900px){
  .hero-grid{grid-template-columns:1.15fr .85fr;}
}
.hero-kicker{
  font-size:.75rem;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--faint);margin-bottom:14px;
}
.hero h1{
  font-size:clamp(2.25rem,5.2vw,3.75rem);
  font-weight:600;line-height:1.05;letter-spacing:-0.045em;
  margin-bottom:18px;max-width:14ch;
}
.hero-lead{
  font-size:clamp(1.05rem,2vw,1.2rem);
  color:var(--muted);line-height:1.55;max-width:34rem;margin-bottom:28px;
}
.hero-lead strong{color:var(--ink);font-weight:550;}
.hero-cta-row{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:18px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  text-decoration:none;font-size:.9375rem;font-weight:600;
  padding:12px 18px;border-radius:980px;border:1px solid transparent;
  transition:transform .15s var(--ease),filter .15s;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{filter:brightness(1.06);}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-secondary:hover{background:rgba(255,255,255,.06);}
.hero-meta{
  font-size:.8125rem;color:var(--faint);font-weight:500;
}
.hero-visual{
  display:flex;justify-content:center;align-items:center;
}
.hero-visual img{
  width:min(72vw,340px);height:auto;
  filter:drop-shadow(0 28px 48px rgba(0,0,0,.45));
  animation:float 7s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}
@media (prefers-reduced-motion:reduce){
  .hero-visual img{animation:none;}
}

/* Proof strip */
.proof{
  border-block:1px solid var(--line);
  background:var(--surface);
  padding:18px 0;
}
.proof-list{
  list-style:none;display:flex;flex-wrap:wrap;gap:10px 28px;
  justify-content:center;text-align:center;
  font-size:.875rem;font-weight:500;color:var(--muted);
}
.proof-list strong{color:var(--ink);font-weight:600;}

/* Sections */
.section{padding:var(--sec) 0;}
.section-h{
  font-size:clamp(1.75rem,3.4vw,2.5rem);
  font-weight:600;letter-spacing:-0.04em;line-height:1.1;
  margin-bottom:12px;
}
.section-p{
  font-size:1.0625rem;color:var(--muted);max-width:36rem;line-height:1.55;
  margin-bottom:36px;
}
.section-p strong{color:var(--ink);font-weight:550;}

/* Features — divider rows, not cards */
.features{background:var(--surface);}
.feat-list{border-top:1px solid var(--line);}
.feat{
  display:grid;gap:8px 32px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
@media (min-width:760px){
  .feat{grid-template-columns:minmax(160px,.55fr) 1fr;align-items:baseline;}
}
.feat h3{
  font-size:1.125rem;font-weight:600;letter-spacing:-0.03em;
}
.feat p{color:var(--muted);font-size:1rem;line-height:1.55;max-width:36rem;}

/* How */
.how-list{
  display:grid;gap:0;
  border-top:1px solid var(--line);
}
@media (min-width:800px){
  .how-list{grid-template-columns:repeat(3,1fr);gap:0;}
}
.how-item{
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
@media (min-width:800px){
  .how-item{
    padding:28px 28px 28px 0;
    border-bottom:none;
    border-right:1px solid var(--line);
  }
  .how-item:last-child{border-right:none;padding-right:0;}
  .how-item:not(:first-child){padding-left:28px;}
}
.how-n{
  display:block;font-size:.75rem;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--faint);
  margin-bottom:10px;
}
.how-item h3{
  font-size:1.125rem;font-weight:600;letter-spacing:-0.03em;margin-bottom:8px;
}
.how-item p{color:var(--muted);font-size:.95rem;line-height:1.55;}

/* Examples */
.examples{background:var(--bg-2);}
.ex-list{list-style:none;border-top:1px solid var(--line);}
.ex-list li{
  padding:20px 0;
  border-bottom:1px solid var(--line);
  font-size:clamp(1.05rem,2vw,1.2rem);
  line-height:1.4;color:var(--ink);
}
.ex-list cite{
  display:block;margin-top:8px;
  font-style:normal;font-size:.75rem;font-weight:500;
  color:var(--faint);letter-spacing:.02em;
}
.ex-note{
  margin-top:16px;font-size:.75rem;color:var(--faint);
}

/* Download band */
.download{
  background:var(--bg-2);
  border-block:1px solid var(--line);
  padding:var(--sec) 0;
}
.download .section-h{color:var(--ink);}
.download .section-p{color:var(--muted);}
.download .btn-primary{background:var(--accent);color:var(--accent-ink);}
.download .btn-secondary{border-color:var(--line);color:var(--ink);}
.download .btn-secondary:hover{background:rgba(255,255,255,.06);}
.download-note{margin-top:18px;font-size:.8125rem;color:var(--faint);}

/* FAQ */
.faq details{
  border-bottom:1px solid var(--line);
}
.faq summary{
  list-style:none;cursor:pointer;
  padding:18px 0;font-size:1rem;font-weight:600;letter-spacing:-0.02em;
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--faint);font-weight:400;font-size:1.25rem;}
.faq details[open] summary::after{content:"−";}
.faq-a{padding:0 0 20px;color:var(--muted);font-size:.9375rem;line-height:1.6;}
.faq-a p+p{margin-top:10px;}
.faq-a strong{color:var(--ink);font-weight:600;}
.faq-foot{margin-top:24px;font-size:.875rem;color:var(--faint);}
.faq-foot a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}

/* Contact */
.contact{border-top:1px solid var(--line);}
.contact a.mail{
  display:inline-block;margin-top:8px;
  font-size:1.25rem;font-weight:600;letter-spacing:-0.03em;
  text-decoration:none;border-bottom:1px solid var(--line);
}
.contact a.mail:hover{border-color:var(--ink);}
.contact-hint{margin-top:12px;font-size:.8125rem;color:var(--faint);}

/* Child safety */
.safety{background:var(--bg-2);border-top:1px solid var(--line);}
.safety-list{
  margin:0 0 20px;padding-left:1.15em;
  color:var(--muted);font-size:.95rem;line-height:1.55;max-width:40rem;
}
.safety-list li{margin-bottom:8px;}
.safety-list a{
  color:var(--ink);font-weight:600;
  text-decoration:underline;text-underline-offset:3px;
}
.safety .section-p a{
  color:var(--ink);font-weight:600;
  text-decoration:underline;text-underline-offset:3px;
}
.safety-link{
  display:inline-block;font-size:.9375rem;font-weight:600;
  color:var(--accent);text-decoration:none;
  border-bottom:1px solid transparent;
}
.safety-link:hover{border-color:var(--accent);}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  padding:40px 0 calc(28px + env(safe-area-inset-bottom));
}
.footer-top{
  display:flex;flex-wrap:wrap;gap:20px 32px;
  justify-content:space-between;align-items:flex-start;
  margin-bottom:28px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:600;letter-spacing:-0.03em;
}
.footer-brand img{width:28px;height:28px;border-radius:7px;}
.footer-links{
  display:flex;flex-wrap:wrap;gap:12px 20px;
}
.footer-links a{
  font-size:.8125rem;font-weight:500;color:var(--muted);text-decoration:none;
}
.footer-links a:hover{color:var(--ink);}
.footer-copy{font-size:.75rem;color:var(--faint);}

/* Legal sheets */
.overlay{
  position:fixed;inset:0;z-index:500;
  background:rgba(0,0,0,.72);
  display:flex;align-items:flex-end;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.overlay.open{opacity:1;pointer-events:all;}
.sheet{
  background:#141418;color:var(--ink);
  border-top:1px solid var(--line);
  width:100%;max-height:90dvh;overflow-y:auto;
  padding:28px 22px 48px;position:relative;
  border-radius:16px 16px 0 0;
  transform:translateY(16px);
  transition:transform .3s var(--ease);
}
.overlay.open .sheet{transform:translateY(0);}
@media (min-width:640px){
  .overlay{align-items:center;justify-content:center;padding:24px;}
  .sheet{
    max-width:min(100%,560px);border-radius:16px;
    border:1px solid var(--line);
    max-height:min(88dvh,720px);padding:32px 28px 40px;
    transform:translateY(8px);
  }
  .overlay.open .sheet{transform:translateY(0);}
}
.shandle{display:none;}
.stitle{font-weight:600;font-size:1.2rem;letter-spacing:-0.03em;margin-bottom:4px;}
.sdate{font-size:.6875rem;color:var(--faint);margin-bottom:20px;}
.ltabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px;}
.ltab{
  background:transparent;border:1px solid var(--line);
  color:var(--muted);padding:5px 10px;border-radius:980px;
  font-size:.65rem;font-weight:500;cursor:pointer;font-family:inherit;
}
.ltab.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.sheet-legal-head,.sheet .ltabs,.sheet .scontent{max-width:36rem;margin-left:auto;margin-right:auto;}
.scontent{display:none;}
.scontent.on{display:block;}
.scontent h2{font-size:.85rem;font-weight:600;margin:16px 0 6px;color:var(--ink);}
.scontent p{font-size:.8rem;color:var(--muted);line-height:1.65;margin-bottom:8px;}
[dir="rtl"] .sheet-legal-head{text-align:right;}
.sclose{
  position:absolute;top:14px;right:14px;
  background:none;border:none;font-size:1.25rem;
  color:var(--muted);cursor:pointer;line-height:1;font-family:inherit;
}
.sclose:hover{color:var(--ink);}
.store-link.is-store-loading{opacity:.45;pointer-events:none;}