/* Theme: retro — playful, colourful, animated (jpg-gif.net) */
:root{
  --ink:#241046; --pink:#ff2e88; --purple:#7b2ff7; --yellow:#ffd23f;
  --cyan:#19d3da; --cream:#fff8ec; --card:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);
  font:17px/1.7 "Trebuchet MS","Segoe UI",system-ui,sans-serif;
  background:linear-gradient(120deg,#ffe8f3,#eae0ff 40%,#e0fbff);
  background-attachment:fixed;
}
h1,h2,h3{font-family:"Trebuchet MS","Segoe UI",system-ui,sans-serif;font-weight:800;line-height:1.15}
a{color:var(--purple);text-decoration:none;font-weight:700}
a:hover{color:var(--pink)}

.wrap{max-width:900px;margin:0 auto;padding:0 22px}

/* nav */
.nav{position:sticky;top:0;z-index:5;background:var(--ink)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{font-weight:800;font-size:1.3rem;color:#fff}
.logo .x{color:var(--yellow)}
.links a{margin-left:8px;color:#fff;font-size:.9rem;padding:6px 12px;border-radius:999px}
.links a:hover,.links a.active{background:var(--pink);color:#fff}

/* hero */
.hero{text-align:center;padding:60px 0 44px}
.pill{display:inline-block;background:var(--yellow);color:var(--ink);font-weight:800;
  padding:6px 16px;border-radius:999px;font-size:.85rem;transform:rotate(-2deg);
  box-shadow:4px 4px 0 var(--ink);margin-bottom:22px}
.hero h1{font-size:3.1rem;margin:0 0 14px;
  background:linear-gradient(90deg,var(--pink),var(--purple),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:1.18rem;max-width:600px;margin:0 auto;color:#4a3470}
.btn{display:inline-block;margin-top:26px;background:var(--pink);color:#fff;font-weight:800;
  padding:14px 30px;border-radius:999px;box-shadow:5px 5px 0 var(--ink);font-size:1.05rem}
.btn:hover{color:#fff;transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}

/* crumb */
.crumb{font-size:.85rem;color:#6b54a0;padding:16px 0 0;font-weight:700}
.crumb a{color:#6b54a0}

/* cards */
main{padding:24px 0 10px}
.box{background:var(--card);border:3px solid var(--ink);border-radius:22px;
  padding:32px 36px;margin-bottom:24px;box-shadow:8px 8px 0 rgba(123,47,247,.18)}
.box h2{font-size:1.8rem;margin:28px 0 10px;color:var(--purple)}
.box h2:first-child{margin-top:0}
.box h3{font-size:1.25rem;margin:22px 0 6px;color:var(--pink)}
.box ul,.box ol{padding-left:22px}.box li{margin:8px 0}

.tip{background:#fff4d6;border:3px dashed var(--yellow);border-radius:16px;padding:16px 20px;margin:20px 0;font-weight:600;color:#6b5310}

/* frames strip (decorative animation explainer) */
.frames{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}
.frames .f{flex:1;min-width:80px;text-align:center;background:linear-gradient(135deg,var(--cyan),var(--purple));
  color:#fff;font-weight:800;border-radius:14px;padding:22px 8px;border:3px solid var(--ink)}

/* versus */
.vs{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;margin:22px 0}
.vs .side{background:#fff;border:3px solid var(--ink);border-radius:18px;padding:22px}
.vs .side.jpg{box-shadow:6px 6px 0 var(--cyan)}
.vs .side.gif{box-shadow:6px 6px 0 var(--pink)}
.vs .mid{display:grid;place-items:center;font-weight:800;color:var(--ink);padding:0 16px;font-size:1.4rem}
.vs h3{margin:0 0 10px}
.vs ul{margin:0;padding-left:20px}

/* faq */
.faq details{background:#fff;border:3px solid var(--ink);border-radius:16px;margin:14px 0;padding:4px 20px}
.faq summary{cursor:pointer;font-weight:800;padding:14px 0;font-size:1.08rem;color:var(--purple)}
.faq details[open] summary{color:var(--pink)}
.faq p{margin:0 0 14px}

footer{margin-top:30px;padding:30px 0;color:#5a4690;font-size:.9rem;font-weight:600}
.move{background:var(--ink);color:#fff;border-radius:18px;padding:18px 22px;margin-bottom:16px;font-weight:600}
.move b{color:var(--yellow)}.move a{color:var(--cyan)}

@media(max-width:680px){.hero h1{font-size:2.2rem}.vs{grid-template-columns:1fr}.vs .mid{padding:14px}.box{padding:24px 22px}}