:root{--y:#ffd54d;--y2:#ffec99;--txt:#222;--muted:#555;--bg:#fff;--line:#f3f3f3}
*{box-sizing:border-box}html,body{margin:0;padding:0;color:var(--txt);background:var(--bg);font-family:Inter,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
.pl-wrap,.pl-section{max-width:1200px;margin:0 auto;padding:24px}
.pl-btn{display:inline-flex;gap:8px;align-items:center;border-radius:999px;padding:12px 18px;border:1px solid var(--txt);text-decoration:none;font-weight:700;position:relative;overflow:hidden;transition:transform .2s, box-shadow .2s, background .2s, border-color .2s}
.pl-btn--primary{background:var(--y);border-color:var(--y)}
.pl-btn--secondary{background:#fff;border-color:#222}
.pl-btn::after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(120deg,transparent,rgba(255,255,255,.5),transparent);transition:transform .5s}
.pl-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.pl-btn:hover::after{transform:translateX(100%)}
.hover-card{border:1px solid var(--line);border-radius:16px;padding:16px;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.06);transition:transform .2s, box-shadow .2s, border-color .2s, background .2s}
.hover-card:hover{transform:translateY(-6px);box-shadow:0 14px 40px rgba(0,0,0,.14);border-color:#eaeaea}
.list-reset{list-style:none;margin:0;padding:0}
.badge{background:var(--y2);padding:6px 10px;border-radius:999px;font-size:12px;display:inline-block;transition:transform .2s, background .2s}
.badge:hover{transform:translateY(-2px);background:#fff3c2}
.tilt:hover{transform:perspective(800px) rotateX(1.6deg) rotateY(1.6deg) translateY(-4px)}
.sheen{position:relative;overflow:hidden}
.sheen::before{content:"";position:absolute;top:-50%;left:-60%;width:50%;height:200%;transform:rotate(25deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);transition:left .6s}
.sheen:hover::before{left:120%}

.pl-section details:hover{border-color:#eaeaea}
.pl-section details[open]{background:linear-gradient(0deg,#fff, var(--y2));}
.pl-section details summary{font-weight:700}