:root{
  --bg:#f5f7fb;
  --bg-grad-1:#f8fafc;
  --bg-grad-2:#eef2ff;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --card:#ffffff;
  --text:#0f172a;
  --text-soft:#475569;
  --white:#ffffff;
  --line:#dbe3ef;
  --accent:#2563eb;
  --accent-2:#1d4ed8;
  --topbar-bg:rgba(255,255,255,.86);
  --hero-card-bg:radial-gradient(circle at top left,#dbeafe 0%,#eff6ff 30%,#fff 100%);
  --hero-card-border:#dbeafe;
  --badge-bg:#e0e7ff;
  --badge-text:#3730a3;
  --hero-visual-bg:linear-gradient(180deg,#0f172a,#1e293b);
  --shadow:0 12px 36px rgba(15,23,42,.10);
  --shadow-strong:0 18px 44px rgba(15,23,42,.18);
  --radius:24px;
  --max:1180px;
}

html[data-theme="dark"]{
  --bg:#0b1120;
  --bg-grad-1:#0b1120;
  --bg-grad-2:#111827;
  --surface:#0f172a;
  --surface-2:#111c31;
  --card:#0f172a;
  --text:#e5edf8;
  --text-soft:#94a3b8;
  --white:#ffffff;
  --line:#243146;
  --accent:#60a5fa;
  --accent-2:#3b82f6;
  --topbar-bg:rgba(11,17,32,.78);
  --hero-card-bg:radial-gradient(circle at top left,rgba(59,130,246,.18) 0%,rgba(37,99,235,.10) 30%,rgba(15,23,42,.96) 100%);
  --hero-card-border:#243146;
  --badge-bg:rgba(96,165,250,.12);
  --badge-text:#bfdbfe;
  --hero-visual-bg:linear-gradient(180deg,#111827,#020617);
  --shadow:0 12px 36px rgba(2,6,23,.34);
  --shadow-strong:0 18px 44px rgba(2,6,23,.42);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg-grad-1) 0%,var(--bg-grad-2) 100%);
  line-height:1.6;
  transition:background-color .25s ease,color .25s ease,background .25s ease;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:20;
  backdrop-filter:saturate(180%) blur(14px);
  background:var(--topbar-bg);
  border-bottom:1px solid color-mix(in oklab, var(--line) 90%, transparent);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:14px 0;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800;font-size:1.05rem}
.brand img{width:42px;height:42px;border-radius:12px;box-shadow:var(--shadow)}
.nav-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.menu{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.menu a{color:var(--text);opacity:.88;font-weight:600}
.menu a:hover{opacity:1;text-decoration:none}
.button,.button-secondary,.theme-toggle{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:0 22px;border-radius:999px;font-weight:800;
  border:1px solid transparent;transition:.2s ease;
}
.button{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 10px 28px color-mix(in oklab, var(--accent) 28%, transparent)}
.button:hover{transform:translateY(-1px);text-decoration:none}
.button-secondary{background:var(--surface);color:var(--text);border-color:var(--line)}
.button-secondary:hover{text-decoration:none;background:var(--surface-2)}
.theme-toggle{
  min-height:44px;padding:0 16px;background:var(--surface);color:var(--text);
  border-color:var(--line);cursor:pointer;font-weight:700;box-shadow:var(--shadow)
}
.theme-toggle:hover{background:var(--surface-2)}
.theme-toggle .icon-sun{display:none}
html[data-theme="dark"] .theme-toggle .icon-moon{display:none}
html[data-theme="dark"] .theme-toggle .icon-sun{display:inline}
.btn-icon{width:20px;height:20px;display:block;flex:0 0 20px}
.menu .btn-icon{width:18px;height:18px;flex-basis:18px}
.menu a[href*="play.google.com"]{display:inline-flex;align-items:center;gap:8px}
.hero{padding:56px 0 28px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.hero-card{
  background:var(--hero-card-bg);border:1px solid var(--hero-card-border);border-radius:32px;padding:34px;box-shadow:var(--shadow)
}
.hero h1{font-size:clamp(2rem,5vw,3.8rem);line-height:1.07;margin:0 0 18px;font-weight:900;letter-spacing:-.03em}
.hero p.lead{font-size:1.08rem;color:var(--text-soft);margin:0 0 22px}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 22px}
.badge{padding:10px 14px;border-radius:999px;background:var(--badge-bg);color:var(--badge-text);font-weight:700;font-size:.95rem}
.hero-visual{background:var(--hero-visual-bg);border-radius:32px;padding:18px;box-shadow:var(--shadow-strong)}
.hero-visual img{border-radius:22px}
.section{padding:28px 0}
.section h2{font-size:clamp(1.6rem,3vw,2.5rem);line-height:1.1;margin:0 0 16px;font-weight:900;letter-spacing:-.02em}
.section p{margin:0 0 16px;color:var(--text-soft)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card,.topic,.faq details,.kpi{
  background:var(--card);border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:var(--shadow)
}
.card h3{margin:0 0 10px;font-size:1.3rem}
.card ul{padding-left:20px;margin:0}
.card li{margin:0 0 8px}
.muted{color:var(--text-soft)}
.parts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.part-card{padding:24px;border-radius:28px;color:#0f172a;border:1px solid rgba(15,23,42,.08);box-shadow:var(--shadow)}
.part-1{background:linear-gradient(180deg,#f3e8ff,#ede9fe)}
.part-2{background:linear-gradient(180deg,#dcfce7,#e8f5e9)}
.part-3{background:linear-gradient(180deg,#dbeafe,#eff6ff)}
.part-4{background:linear-gradient(180deg,#ffedd5,#fff7ed)}
.part-card h3{display:flex;align-items:center;gap:10px;margin:0 0 8px;font-size:1.5rem}
.part-card p{color:#334155}
.part-card .small{font-weight:700;color:#475569}

html[data-theme="dark"] .part-card{
  color:#e5edf8;
  border-color:rgba(96,165,250,.14);
  box-shadow:0 18px 44px rgba(2,6,23,.38);
}
html[data-theme="dark"] .part-card p,
html[data-theme="dark"] .part-card .small{color:#cbd5e1}
html[data-theme="dark"] .part-card a{color:#93c5fd}
html[data-theme="dark"] .part-1{background:linear-gradient(180deg,#3b2b57,#231735)}
html[data-theme="dark"] .part-2{background:linear-gradient(180deg,#284733,#16281d)}
html[data-theme="dark"] .part-3{background:linear-gradient(180deg,#233b58,#152235)}
html[data-theme="dark"] .part-4{background:linear-gradient(180deg,#5a3d22,#2f1f12)}
.shots{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.shot{background:var(--hero-visual-bg);border-radius:26px;padding:12px;box-shadow:var(--shadow-strong)}
.shot img{border-radius:18px}
.cta{
  background:linear-gradient(135deg,#0f172a,#1e293b);
  color:#fff;padding:34px;border-radius:32px;display:flex;justify-content:space-between;align-items:center;gap:24px;box-shadow:var(--shadow)
}
.cta p{color:#cbd5e1;margin:0}
.faq details{padding:18px 20px;margin:0 0 14px;border-radius:22px}
.faq summary{cursor:pointer;font-weight:800}
.faq details p{margin:12px 0 0}
.content-page header{padding:42px 0 12px}
.breadcrumbs{font-size:.95rem;color:var(--text-soft);margin-bottom:10px}
.page-title{font-size:clamp(2rem,4vw,3.2rem);line-height:1.06;margin:0 0 10px;font-weight:900}
.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.topic{border-radius:22px;padding:18px 18px 16px}
.topic h3{margin:0 0 8px;font-size:1.1rem}
.topic ul{margin:0;padding-left:18px}
.highlight{background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a;padding:16px 18px;border-radius:20px;font-weight:600}
html[data-theme="dark"] .highlight{background:rgba(96,165,250,.12);border-color:#1d4ed8;color:#bfdbfe}
footer{padding:34px 0 46px;color:var(--text-soft)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:18px;border-top:1px solid var(--line);padding-top:24px}
footer a{color:var(--text)}
.small-note{font-size:.95rem;color:var(--text-soft)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.kpi{text-align:center;border-radius:22px;padding:18px}
.kpi strong{display:block;font-size:1.8rem}
@media (max-width:1024px){
  .hero-grid,.grid-2,.grid-3,.parts-grid,.topic-list,.footer-grid,.kpis{grid-template-columns:1fr}
  .shots{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .nav{align-items:flex-start;flex-direction:column}
  .nav-actions{width:100%;align-items:flex-start}
  .menu{gap:12px}
  .hero{padding-top:24px}
  .hero-card,.hero-visual,.card,.part-card,.cta{padding:22px}
  .shots{grid-template-columns:1fr 1fr}
}


.theme-shot{width:100%;height:auto}


/* Google Play badge style */
.play-store-btn{
  display:inline-flex;align-items:center;gap:14px;
  background:#000;color:#fff !important;
  border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:10px 18px;min-height:58px;
  box-shadow:0 12px 28px rgba(0,0,0,.22);text-decoration:none !important;
}
.play-store-btn:hover{transform:translateY(-1px);text-decoration:none !important;box-shadow:0 16px 34px rgba(0,0,0,.28)}
.play-store-btn .gp-logo{width:30px;height:30px;display:block;flex:0 0 30px}
.play-store-btn .gp-text{display:flex;flex-direction:column;line-height:1.05}
.play-store-btn .gp-overline{font-size:.74rem;font-weight:600;opacity:.82}
.play-store-btn .gp-title{font-size:1.1rem;font-weight:800;letter-spacing:.01em}
html[data-theme="dark"] .play-store-btn{background:#050505;color:#fff !important;border-color:rgba(255,255,255,.14)}
.cta .play-store-btn{box-shadow:none}
.hero .play-store-btn{margin-right:0}
@media (max-width:760px){
  .play-store-btn{width:100%;justify-content:center}
}


.play-badge-link{display:inline-flex;align-items:center;text-decoration:none;line-height:0}
.play-badge{display:block;height:auto;width:220px;max-width:100%;border-radius:10px;box-shadow:0 10px 26px rgba(0,0,0,.22);transition:transform .18s ease,box-shadow .18s ease}
.play-badge-link:hover .play-badge{transform:translateY(-1px);box-shadow:0 16px 34px rgba(0,0,0,.28)}
.cta .play-badge{box-shadow:none}
@media (max-width: 640px){.play-badge{width:190px}}