/* Build4Kids Family Studio — Static Site v2
   Style: Premium + Fun (more white + blue, with violet accent).
*/
:root{
  --bg:#F6F4FF;
  --bg2:#ECF6FF;
  --card:#FFFFFF;
  --text:#1B2240;
  --muted:#5A6390;

  --blue:#2F7BFF;
  --blue2:#4CC3FF;
  --violet:#7C3AED;
  --violet2:#A855F7;

  --shadow: 0 18px 55px rgba(17, 27, 80, .12);
  --shadow2: 0 10px 30px rgba(17, 27, 80, .10);
  --line: rgba(27,34,64,.10);
  --radius: 22px;
  --radius2: 28px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(900px 600px at 12% 18%, rgba(124,58,237,.14), transparent 60%),
    radial-gradient(900px 600px at 88% 16%, rgba(47,123,255,.18), transparent 62%),
    radial-gradient(800px 520px at 50% 100%, rgba(76,195,255,.16), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x:hidden;
}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}
.section{padding:70px 0}
.small{font-size:.92rem; color:var(--muted)}
.kicker{
  display:inline-flex; align-items:center; gap:10px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(124,58,237,.22);
  background: rgba(255,255,255,.70);
  box-shadow: var(--shadow2);
  font-weight:800;
  color: var(--muted);
}
.kicker .dot{
  width:10px; height:10px; border-radius:999px;
  background: linear-gradient(135deg, var(--blue2), var(--violet));
  box-shadow: 0 0 0 5px rgba(124,58,237,.12);
}

.nav{
  position:sticky; top:0; z-index:50;
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(12px);
  border-bottom:1px solid rgba(27,34,64,.08);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0;
  gap:14px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-weight:900;
}
.brand img{height:30px; width:auto}
.nav-links{display:flex; gap:12px; align-items:center; flex-wrap:wrap}
.nav-links a{
  padding:10px 12px;
  border-radius:999px;
  color: var(--muted);
  font-weight:800;
  border:1px solid transparent;
}
.nav-links a:hover{
  color: var(--text);
  border-color: rgba(47,123,255,.18);
  background: rgba(47,123,255,.06);
}
.nav-cta{display:flex; gap:10px; align-items:center; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 14px;
  border-radius:999px;
  border:1px solid rgba(27,34,64,.12);
  background: rgba(255,255,255,.78);
  box-shadow: var(--shadow2);
  font-weight:900;
}
.btn:hover{transform: translateY(-1px)}
.btn.primary{
  border-color: rgba(124,58,237,.20);
  background:
    radial-gradient(110% 200% at 10% 0%, rgba(255,255,255,.72), transparent 40%),
    linear-gradient(135deg, var(--violet2), var(--blue));
  color:white;
  box-shadow: 0 18px 50px rgba(124,58,237,.22);
}
.btn.ghost{
  background: rgba(47,123,255,.06);
  border-color: rgba(47,123,255,.18);
  color: var(--text);
}

.hero{
  padding:52px 0 30px;
  position:relative;
}
.hero:before{
  content:"";
  position:absolute; inset:-60px 0 auto 0;
  height:420px;
  background:
    radial-gradient(120px 90px at 20% 70%, rgba(255,255,255,.85), transparent 60%),
    radial-gradient(150px 110px at 40% 60%, rgba(255,255,255,.92), transparent 60%),
    radial-gradient(170px 120px at 65% 65%, rgba(255,255,255,.85), transparent 60%),
    radial-gradient(140px 105px at 82% 75%, rgba(255,255,255,.90), transparent 60%);
  opacity:.85;
  pointer-events:none;
  filter: blur(0px);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:22px;
  align-items:stretch;
}
.h1{
  font-size: clamp(2.1rem, 4.0vw, 3.2rem);
  line-height:1.05;
  margin:14px 0 10px;
  letter-spacing:-.6px;
}
.lead{
  color:var(--muted);
  font-size:1.08rem;
  line-height:1.6;
  margin:0 0 16px;
  max-width: 60ch;
}
.hero-actions{display:flex; flex-wrap:wrap; gap:10px; align-items:center}
.store-row{display:flex; flex-wrap:wrap; gap:12px; margin-top:12px}
.store{
  display:inline-flex; align-items:center; gap:10px;
  padding:12px 16px;
  border-radius: 999px;
  font-weight:900;
  color:white;
  background: linear-gradient(135deg, rgba(47,123,255,.95), rgba(124,58,237,.90));
  box-shadow: 0 18px 55px rgba(47,123,255,.22);
  border:1px solid rgba(255,255,255,.40);
}
.store.secondary{
  background: linear-gradient(135deg, rgba(124,58,237,.92), rgba(76,195,255,.90));
}
.store svg{width:18px; height:18px}
.card{
  background: rgba(255,255,255,.86);
  border:1px solid rgba(27,34,64,.10);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}
.card-inner{padding:18px}
.hero-panel{
  height:100%;
  min-height: 320px;
  position:relative;
  overflow:hidden;
}
.hero-panel:before{
  content:"";
  position:absolute; inset:-60px;
  background:
    radial-gradient(260px 220px at 20% 25%, rgba(76,195,255,.30), transparent 60%),
    radial-gradient(320px 260px at 80% 30%, rgba(124,58,237,.24), transparent 62%),
    radial-gradient(280px 240px at 55% 85%, rgba(47,123,255,.18), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.72));
}
.hero-panel .mini{
  position:absolute; right:18px; top:18px;
  width:110px; height:110px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(124,58,237,.85), rgba(47,123,255,.80));
  box-shadow: 0 18px 55px rgba(124,58,237,.20);
  border:1px solid rgba(255,255,255,.55);
}
.hero-panel .mini:after{
  content:"";
  position:absolute; inset:16px;
  border-radius: 20px;
  background: rgba(255,255,255,.18);
}
.hero-panel .caption{
  position:absolute; left:18px; right:18px; bottom:18px;
  padding:14px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.80);
  border:1px solid rgba(27,34,64,.10);
  color: var(--muted);
}

.h2{
  font-size: clamp(1.45rem, 2.4vw, 2.0rem);
  margin:0 0 10px;
}
.h3{font-size:1.12rem; margin:0 0 6px}

.apps-showcase{
  border-radius: var(--radius2);
  padding:18px;
  background:
    radial-gradient(220px 180px at 15% 25%, rgba(47,123,255,.22), transparent 60%),
    radial-gradient(280px 220px at 90% 20%, rgba(124,58,237,.18), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.84));
  border:1px solid rgba(27,34,64,.10);
  box-shadow: var(--shadow);
}
.apps-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
  margin-top:12px;
}
.app-tile{
  grid-column: span 6;
  border-radius: 22px;
  background: rgba(255,255,255,.88);
  border:1px solid rgba(27,34,64,.10);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.app-tile .top{
  display:flex; gap:14px; align-items:center;
  padding:16px;
}
.icon{
  width:64px; height:64px;
  border-radius:18px;
  background: linear-gradient(135deg, rgba(47,123,255,.75), rgba(124,58,237,.70));
  border:1px solid rgba(255,255,255,.55);
  box-shadow: 0 14px 40px rgba(47,123,255,.18);
}
.pills{display:flex; gap:8px; flex-wrap:wrap; margin-top:8px}
.pill{
  font-size:.82rem;
  padding:6px 10px;
  border-radius:999px;
  color: var(--muted);
  border:1px solid rgba(27,34,64,.10);
  background: rgba(47,123,255,.05);
}
.thumb{
  margin:0 16px 14px;
  border-radius: 18px;
  min-height: 160px;
  border:1px solid rgba(27,34,64,.10);
  background:
    radial-gradient(200px 160px at 20% 25%, rgba(47,123,255,.18), transparent 60%),
    radial-gradient(260px 210px at 80% 30%, rgba(124,58,237,.14), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.78));
  display:flex; align-items:center; justify-content:center;
  color: rgba(90,99,144,.8);
  font-weight:900;
}
.app-actions{
  display:flex; gap:10px; flex-wrap:wrap;
  padding:0 16px 16px;
}

.features{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
}
.feature{
  grid-column: span 4;
  border-radius: 22px;
  background: rgba(255,255,255,.86);
  border:1px solid rgba(27,34,64,.10);
  box-shadow: var(--shadow2);
  padding:16px;
}
.feature .badge{
  width:44px; height:44px;
  border-radius:16px;
  background: linear-gradient(135deg, rgba(124,58,237,.70), rgba(47,123,255,.65));
  border:1px solid rgba(255,255,255,.55);
  box-shadow: 0 12px 35px rgba(124,58,237,.14);
  margin-bottom:10px;
}
.feature p{margin:0; color:var(--muted); line-height:1.55}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
  align-items:start;
}
.callout{
  border-radius: var(--radius2);
  background: rgba(255,255,255,.86);
  border:1px solid rgba(27,34,64,.10);
  box-shadow: var(--shadow2);
  padding:18px;
}

.media{
  border-radius: var(--radius2);
  border:1px solid rgba(27,34,64,.10);
  background: rgba(255,255,255,.86);
  box-shadow: var(--shadow2);
  overflow:hidden;
}
.media .frame{position:relative; width:100%; aspect-ratio:16/9; background: rgba(0,0,0,.06)}
.media iframe{position:absolute; inset:0; width:100%; height:100%; border:0}

.gallery{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:12px;
}
.gallery .g{
  grid-column: span 4;
  border-radius: 18px;
  border:1px solid rgba(27,34,64,.10);
  background: rgba(255,255,255,.86);
  box-shadow: var(--shadow2);
  min-height: 160px;
  overflow:hidden;
}

.footer{
  border-top: 1px solid rgba(27,34,64,.08);
  padding:26px 0 44px;
  background: rgba(255,255,255,.55);
}
.footer .cols{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap:14px;
}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--text)}
.sep{height:1px; background: rgba(27,34,64,.10); border:none; margin:16px 0}

/* Responsive */
@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
  .feature{grid-column: span 6}
  .app-tile{grid-column: span 12}
}
@media (max-width: 560px){
  .nav-links{display:none}
  .feature{grid-column: span 12}
  .gallery .g{grid-column: span 12}
}

/* v3: real images */
.hero-image{
  background-size: cover;
  background-position: center;
}
.hero-image:before{ /* keep the soft overlay on top of the image */
  background:
    radial-gradient(260px 220px at 20% 25%, rgba(76,195,255,.22), transparent 60%),
    radial-gradient(320px 260px at 80% 30%, rgba(124,58,237,.20), transparent 62%),
    radial-gradient(280px 240px at 55% 85%, rgba(47,123,255,.16), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.62));
  mix-blend-mode: screen;
}
.thumb-img{
  padding:0;
  overflow:hidden;
}
.thumb-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.gallery .g img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}