/* TapTapLearn marketing site. Ocean + floating islands theme. No external resources. */
:root{
  --navy:#0b2a63; --navy-2:#123a82; --sky:#6ec6f5; --sea:#2f9fe0; --deep:#078cc4;
  --gold:#f6b92b; --gold-d:#c88a0a; --grass:#5fb23d; --grass-l:#7bd04c; --stone:#8c8272;
  --ink:#0b2a63; --paper:#ffffff; --soft:#eaf6ff; --danger:#c62828;
  --font:"Baloo 2","Nunito",ui-rounded,"SF Pro Rounded","Segoe UI Variable Display","Comic Sans MS","Comic Neue",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:1.1rem;line-height:1.55;color:var(--ink);background:linear-gradient(#85d2fe 0,#6ec6f5 320px,#2f9fe0 100%) fixed;min-height:100vh;display:flex;flex-direction:column}
img{max-width:100%;height:auto}
a{color:#0a4fb3}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:4px solid var(--gold);outline-offset:3px;border-radius:10px}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--navy);padding:.6rem 1rem;z-index:100;font-weight:700}
.skip:focus{left:8px;top:8px}
.wrap{width:min(1120px,100% - 2rem);margin-inline:auto}
h1,h2,h3{line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2rem,6vw,3.2rem)}
h2{font-size:clamp(1.5rem,4vw,2.2rem)}

/* top bar */
.topbar{background:var(--navy);color:#fff;border-bottom:4px solid var(--gold);position:sticky;top:0;z-index:50}
.topbar .wrap{display:flex;align-items:center;gap:.8rem;justify-content:space-between;padding-block:.4rem}
.brand{display:flex;align-items:center;gap:.5rem;color:#fff;text-decoration:none;font-weight:800;font-size:1.2rem}
.brand img{width:52px;height:52px}
.nav{display:flex;gap:.2rem;flex-wrap:wrap;justify-content:flex-end;list-style:none;margin:0;padding:0}
.nav a{display:flex;flex-direction:column;align-items:center;color:#fff;text-decoration:none;font-size:.78rem;font-weight:700;padding:.15rem .3rem;border-radius:12px;min-width:56px}
.nav a img{width:46px;height:auto;transition:transform .2s}
.nav a:hover img,.nav a:focus-visible img{transform:scale(1.12) rotate(-4deg)}
.nav a[aria-current="page"]{background:rgba(255,255,255,.18)}
@media (max-width:640px){.brand span{display:none}.nav a{min-width:48px;font-size:.7rem}.nav a img{width:38px}}

/* hero */
.hero{position:relative;overflow:hidden;color:#fff;text-align:center;background:linear-gradient(#63bffe 0,#85d2fe 45%,#7de4e3 70%,#2f9fe0 100%) center/cover;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:url("../img/ocean.jpg") center bottom/cover no-repeat;opacity:.9;z-index:-2}
.hero .wrap{padding-block:2.2rem 6rem}
.hero .logo{width:min(300px,70vw);filter:drop-shadow(0 8px 10px rgba(0,40,100,.35));animation:bob 5s ease-in-out infinite}
.hero h1{text-shadow:0 3px 0 var(--navy),0 6px 12px rgba(0,40,100,.4);margin-top:.4rem}
.hero p.tag{font-size:clamp(1.15rem,3vw,1.5rem);max-width:36ch;margin:.2rem auto 1.2rem;text-shadow:0 2px 0 var(--navy);font-weight:700}
.wave{position:absolute;left:0;width:200%;height:60px;bottom:-4px;background:url("../img/wave.svg") repeat-x;background-size:50% 100%;animation:drift 14s linear infinite;z-index:-1}
.wave.w2{bottom:6px;opacity:.7;animation-duration:20s;animation-direction:reverse}
.badges{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}
.badge{background:#0a1a3d;color:#fff;border:3px dashed var(--gold);border-radius:16px;padding:.5rem 1.1rem;text-align:left;min-width:190px}
.badge small{display:block;font-size:.8rem;color:var(--gold);font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.badge strong{font-size:1.2rem}

/* islands */
.islands{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.2rem 1rem;padding:2rem 0 3rem;list-style:none;margin:0}
.island{display:block;position:relative;text-align:center;text-decoration:none;color:#fff;padding-top:.2rem}
.island h2,.island h3{font-size:clamp(1.4rem,3.6vw,1.9rem);margin:0 0 .1rem;color:#fff;-webkit-text-stroke:0;text-shadow:0 2px 0 var(--navy),0 -2px 0 var(--navy),2px 0 0 var(--navy),-2px 0 0 var(--navy),0 4px 8px rgba(0,30,90,.5);position:relative;z-index:2}
.island .sub{display:block;font-size:.95rem;font-weight:700;color:#fff;text-shadow:0 1px 0 var(--navy),1px 0 0 var(--navy),-1px 0 0 var(--navy),0 -1px 0 var(--navy);position:relative;z-index:2}
.island .stage{display:block;position:relative;width:min(300px,86%);margin:.2rem auto 0;aspect-ratio:720/465;animation:bob 5s ease-in-out infinite}
.island .stage .base{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.island .prop{position:absolute;left:50%;bottom:44%;transform:translateX(-50%);font-size:clamp(3rem,10vw,4.4rem);line-height:1;filter:drop-shadow(0 6px 4px rgba(0,0,0,.3));animation:hop 3.2s ease-in-out infinite}
.island:hover .stage,.island:focus-visible .stage{animation-duration:2.4s}
.island:hover h2,.island:hover h3{color:var(--gold)}
.island.soon .stage{filter:saturate(.7)}
.islands li:nth-child(2n) .stage{animation-delay:-1.6s}
.islands li:nth-child(3n) .stage{animation-delay:-3s}
.islands li:nth-child(2n) .prop{animation-delay:-1s}
.islands.small{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.islands.small .prop{font-size:clamp(2.2rem,8vw,3rem)}
button.island{background:none;border:0;font:inherit;cursor:pointer;width:100%}
button.island[aria-pressed="true"] h3{color:var(--gold)}

/* panels */
main{flex:1}
.panel{background:var(--paper);border:4px solid var(--navy);border-radius:28px;padding:1.4rem clamp(1rem,3vw,2rem);margin:1.5rem 0;box-shadow:0 8px 0 rgba(11,42,99,.35)}
.panel.pad-top{margin-top:2rem}
.page-title{color:#fff;text-align:center;padding:1.6rem 0 .4rem;text-shadow:0 3px 0 var(--navy)}
.page-title p{font-size:1.2rem;max-width:60ch;margin:.2rem auto;font-weight:700;color:var(--navy);text-shadow:none}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;list-style:none;padding:0;margin:0}
.card{background:var(--soft);border:3px solid #9fd3f5;border-radius:20px;padding:1rem;display:flex;flex-direction:column;gap:.4rem;height:100%}
.card h3{margin:0;font-size:1.25rem}
.card p{margin:0}
.chip{display:inline-block;background:var(--navy);color:#fff;border-radius:999px;padding:.05rem .7rem;font-size:.85rem;font-weight:700;margin:0 .25rem .25rem 0}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(#ffd54f,var(--gold));color:var(--navy);border:3px solid var(--gold-d);border-radius:999px;padding:.45rem 1.2rem;font:inherit;font-weight:800;text-decoration:none;cursor:pointer;box-shadow:0 4px 0 var(--gold-d)}
.btn:hover{filter:brightness(1.06)}
.btn img{width:34px;height:auto}
.btn.ghost{background:#fff;border-color:var(--navy);box-shadow:0 4px 0 var(--navy)}
.card .btn{align-self:flex-start;margin-top:auto}
.toolbar{display:flex;gap:.8rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem}
.toolbar input,.toolbar select{font:inherit;padding:.5rem .9rem;border:3px solid var(--navy);border-radius:999px;background:#fff;color:var(--ink);min-height:48px}
.toolbar input{flex:1;min-width:200px}
.msg{background:#fff7d6;border:3px dashed var(--gold-d);border-radius:16px;padding:.8rem 1rem}
.crumb{margin:.3rem 0 0;color:#fff;font-weight:700;text-shadow:0 1px 0 var(--navy)}
.crumb a{color:#fff}

/* guide */
.steps{list-style:none;counter-reset:s;padding:0;display:grid;gap:.9rem}
.steps li{counter-increment:s;position:relative;background:var(--soft);border:3px solid #9fd3f5;border-radius:24px;padding:1rem 1rem 1rem 4.6rem;font-size:1.2rem;font-weight:600;min-height:4rem}
.steps li::before{content:counter(s);position:absolute;left:.8rem;top:50%;transform:translateY(-50%);width:3rem;height:3rem;border-radius:50%;background:radial-gradient(circle at 35% 30%,#7fd0ff,#1d78d6);border:4px solid var(--gold);color:#fff;font-weight:800;font-size:1.5rem;display:grid;place-items:center;text-shadow:0 2px 0 var(--navy)}
.facts{display:flex;gap:.6rem;flex-wrap:wrap;margin:.5rem 0 1rem}
.tip{background:#e9f9de;border:3px solid var(--grass);border-radius:20px;padding:.8rem 1rem}
.pager{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:1.5rem}
.pager a{display:flex;align-items:center;gap:.4rem;text-decoration:none;font-weight:800;color:var(--navy)}
.pager img{width:56px}

/* ribbon / placeholders */
[data-placeholder]{position:relative}
.ribbon{position:absolute;top:14px;right:-8px;background:var(--gold);color:var(--navy);font-weight:800;font-size:.85rem;padding:.15rem 1rem;border-radius:6px 0 0 6px;box-shadow:0 3px 0 var(--gold-d)}
.ribbon.inline{position:static;display:inline-block;border-radius:999px;margin-left:.4rem;box-shadow:none}

/* screenshots slider */
.slider{position:relative;margin:1rem 0 2rem}
.track{display:flex;gap:1.2rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:.6rem .2rem 1.2rem;scrollbar-width:thin}
.track:focus-visible{outline:4px solid var(--gold)}
.shot{flex:0 0 auto;scroll-snap-align:center;background:#0a1a3d;border:6px solid #0a1a3d;border-radius:34px;box-shadow:0 0 0 3px var(--gold)}
.shot.phone{width:min(400px,78vw);aspect-ratio:20/9;border-radius:22px}
.shot.tablet{width:min(420px,78vw);aspect-ratio:16/10;border-radius:22px}
.shot>*{width:100%;height:100%;border-radius:24px}
.shot img{object-fit:cover;display:block}
.shot .ph{display:grid;place-items:center;text-align:center;background:linear-gradient(#85d2fe,#2f9fe0);color:var(--navy);font-weight:800;padding:1rem}
.slider .nav2{display:flex;gap:.8rem;justify-content:center}
.slider .nav2 button{background:none;border:0;cursor:pointer;padding:0;border-radius:50%}
.slider .nav2 img{width:64px}

/* footer */
footer{background:var(--navy);color:#dbe9ff;border-top:4px solid var(--gold);margin-top:2rem;padding:1.5rem 0 2rem;font-size:.95rem}
footer a{color:#fff}
footer .cols{display:flex;gap:1.5rem 3rem;flex-wrap:wrap;justify-content:space-between}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.3rem}
footer small{display:block;margin-top:1rem;opacity:.85}

details{background:var(--soft);border:3px solid #9fd3f5;border-radius:18px;padding:.6rem 1rem;margin:.6rem 0}
summary{cursor:pointer;font-weight:800}
.hidden{display:none!important}
.notfound{text-align:center;padding:2rem 0}
.notfound .prop{font-size:5rem}

@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes hop{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-6px)}}
@keyframes drift{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media (forced-colors:active){.chip,.btn{border:2px solid CanvasText}}
.island .stage::before{content:"";position:absolute;left:-6%;right:-6%;bottom:-2%;height:46%;background:url(../islands/foam_ring.png) center/100% 100% no-repeat;opacity:.85}
.legal-hero{text-align:center;padding:1.5rem 0 .5rem;color:#fff}
.legal-hero .section-label{display:inline-block;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);background:var(--navy);padding:.2rem .9rem;border-radius:999px;text-shadow:none}
.legal-hero h1{font-size:clamp(2rem,6vw,3.2rem);margin:.3rem 0;text-shadow:0 3px 0 var(--navy)}
.legal-hero .grad-text{color:var(--gold)}
.legal-hero .section-sub{max-width:46rem;margin:.4rem auto 0;font-weight:700;color:var(--navy);text-shadow:none}
.legal-card{background:#fff;color:#10244d;border:4px solid var(--gold);border-radius:24px;padding:clamp(1rem,4vw,2.5rem);margin:1.2rem auto 2.5rem;max-width:960px;line-height:1.65}
.legal-card a{color:#0a5bd3}