/* CardStack home (landing page). Mobile-first; brand holo colours; motion only when the visitor allows it. */
.lp{overflow-x:clip}
.lp-hero{position:relative;padding:28px 0 36px;background:
  radial-gradient(80% 60% at 85% 10%,#ff7ad933,transparent 60%),radial-gradient(70% 60% at 0% 90%,#7ce7ff2e,transparent 60%),radial-gradient(60% 50% at 50% 50%,#b69cff1f,transparent 70%)}
.lp-hero-in{display:grid;gap:28px;align-items:center}
.lp-hero-copy{text-align:center;display:grid;justify-items:center;gap:12px}
.lp-brand{margin:0;font-size:1.6rem;font-weight:500;letter-spacing:-.02em}
.lp-brand b{font-weight:800}
.lp-brand.sm{font-size:1.3rem}
.lp-h1{margin:0;font-size:clamp(3rem,15vw,6.2rem);line-height:.95;font-weight:900;letter-spacing:-.03em}
.lp-h1 span{display:inline-block}
.lp-sub{margin:0;font-size:clamp(1.1rem,4.6vw,1.5rem);font-weight:700;max-width:24ch;color:#fff}
.lp-cta{min-height:64px;padding:0 38px;font-size:1.3rem;font-weight:900;border-radius:999px;color:#0b0d14;border:0;background:var(--holo);background-size:200% auto;box-shadow:0 10px 34px #ff7ad955,0 0 0 3px #ffffff22 inset}
.lp-cta:hover{filter:brightness(1.08)}
.lp-cta:focus-visible{outline:3px solid #fff;outline-offset:3px}
.lp-mini{margin:0;color:var(--muted);font-size:.85rem}
.lp-mini a{color:var(--accent2)}
.lp-phone{margin:0 auto;width:min(78vw,300px);display:grid;gap:8px;justify-items:center}
.lp-screen{position:relative;width:100%;aspect-ratio:9/16;border-radius:30px;padding:8px;background:linear-gradient(145deg,#2a2f45,#0f1220);box-shadow:0 0 0 2px #ffffff1a,0 24px 60px #000a,0 0 60px #b69cff33}
.lp-video{display:block;width:100%;height:100%;object-fit:cover;border-radius:22px;background:#0b0d14}
.lp-vplay{position:absolute;inset:0;margin:auto;width:78px;height:78px;border-radius:50%;border:0;background:var(--holo);color:#0b0d14;font-size:1.8rem;cursor:pointer;box-shadow:0 10px 30px #000a;display:grid;place-items:center;padding-left:6px}
.lp-vplay[hidden]{display:none}
.lp-vplay:focus-visible{outline:3px solid #fff;outline-offset:3px}
.lp-cap{font-size:.78rem;color:var(--muted);text-align:center}
@media (min-width:860px){
  .lp-hero{padding:56px 0 64px}
  .lp-hero-in{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:48px}
  .lp-hero-copy{text-align:left;justify-items:start}
  .lp-phone{width:320px}
}
.lp-sec{padding:48px 0}
.lp-sec:nth-of-type(even){background:linear-gradient(180deg,transparent,#ffffff05 20%,#ffffff05 80%,transparent)}
.lp-h2{margin:.15em 0 .35em;font-size:clamp(1.7rem,6.4vw,2.6rem);line-height:1.08;font-weight:900;letter-spacing:-.02em}
.lp-p{margin:0 0 14px;color:#d7dcea;max-width:60ch;font-size:1.02rem}
.lp-center{text-align:center;margin:22px 0 0}
.lp-btns{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0}
/* watch */
.lp-watch{display:grid;gap:22px;align-items:center}
.lp-watch-v{width:min(80vw,320px);margin:0 auto;aspect-ratio:9/16;border-radius:24px;overflow:hidden;box-shadow:0 18px 50px #000a,0 0 0 2px #ffffff14}
.lp-chapters{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.lp-chapters button{width:100%;min-height:48px;text-align:left;display:flex;gap:12px;align-items:center;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--text);font:inherit;font-weight:700;cursor:pointer}
.lp-chapters button b{color:var(--accent);font-variant-numeric:tabular-nums}
.lp-chapters button:hover{border-color:var(--accent2)}
@media (min-width:760px){.lp-watch{grid-template-columns:1fr auto;gap:48px}}
/* steps */
.lp-steps{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (min-width:860px){.lp-steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}}
.lp-step{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:14px;display:grid;gap:6px;align-content:start;min-width:0}
.lp-step b{font-size:1.05rem;display:flex;align-items:center;gap:8px}
.lp-step p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.4}
.lp-n{width:28px;height:28px;border-radius:50%;background:var(--holo);color:#0b0d14;display:grid;place-items:center;font-weight:900;font-size:.9rem;flex:none}
.lp-art{height:96px;border-radius:14px;display:flex;align-items:center;justify-content:center;gap:10px;background:radial-gradient(circle at 50% 60%,#b69cff26,transparent 70%);margin-bottom:4px}
.lp-chip{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;font-weight:900;color:#0b0d14;font-size:1.05rem;box-shadow:0 6px 16px #0008}
.lp-chip.p1{background:var(--accent2);transform:rotate(-8deg)}.lp-chip.p2{background:var(--pink);transform:rotate(8deg)}
.lp-back,.lp-front{width:44px;height:62px;border-radius:7px;box-shadow:0 6px 16px #0008}
.lp-back{background:repeating-linear-gradient(45deg,#2a2f45 0 6px,#1f2335 6px 12px);border:2px solid #ffcb3d;display:grid;place-items:center;font-weight:900;color:#ffcb3d;transform:rotate(-6deg)}
.lp-front{background:var(--holo);border:2px solid #fff;transform:rotate(6deg)}
.lp-arrow{font-size:1.4rem;color:var(--muted)}
.lp-coin{width:34px;height:34px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff3b0,#ffcb3d 45%,#c98a00);color:#5a3d00;font-weight:900;display:grid;place-items:center;box-shadow:0 4px 0 #8a5c00,0 8px 16px #0008;margin-left:-8px}
.lp-coin.c2{transform:translateY(-14px)}.lp-coin.c3{transform:translateY(-28px)}
.lp-trophy{font-size:3.4rem;filter:drop-shadow(0 8px 16px #ffcb3d55)}
.lp-easy{margin:16px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:#d7dcea}
.lp-easy-pill{background:#3ddc8433;color:#7dffa8;border:1px solid #3ddc84;border-radius:999px;padding:3px 10px;font-weight:800;font-size:.8rem}
/* learn */
.lp-learn{display:grid;gap:24px;align-items:center}
.lp-learn-shot{margin:0 auto;width:min(86vw,360px);display:grid;gap:6px;justify-items:center}
.lp-learn-shot img{width:100%;height:auto;border-radius:18px;box-shadow:0 18px 50px #000a,0 0 0 2px #7ce7ff44}
.lp-learn-shot figcaption{font-size:.78rem;color:var(--muted)}
.lp-ticks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.lp-ticks li{padding-left:30px;position:relative;color:#d7dcea}
.lp-ticks li::before{content:"💡";position:absolute;left:0;top:0}
@media (min-width:760px){.lp-learn{grid-template-columns:auto 1fr;gap:48px}}
/* cards to flip to win */
.lpw-list{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (min-width:600px){.lpw-list{grid-template-columns:repeat(4,minmax(0,1fr))}}
.lpw-card{position:relative;display:grid;gap:2px;text-decoration:none;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:8px;height:100%}
.lpw-card:hover{border-color:var(--accent)}
.lpw-card img{width:100%;height:auto;aspect-ratio:245/342;border-radius:6px;background:var(--bg2);margin-bottom:6px}
.lpw-rank{position:absolute;top:-6px;left:-6px;width:30px;height:30px;border-radius:50%;background:var(--holo);color:#0b0d14;font-weight:900;display:grid;place-items:center;font-size:.9rem;box-shadow:0 3px 10px #0009;z-index:1}
.lpw-name{font-weight:800;font-size:.9rem;line-height:1.25;overflow-wrap:anywhere}
.lpw-price{font-weight:900;color:var(--accent);font-size:1.1rem}
.lpw-rar{font-size:.74rem;color:var(--muted);line-height:1.3}
/* theme play button on the landing */
.tw-play{margin-top:4px}
/* binders teaser */
.lp-binder{display:grid;gap:24px;align-items:center}
@media (min-width:860px){.lp-binder{grid-template-columns:1fr 1fr;gap:48px}}
.lp-bd-demo{display:grid;gap:12px}
.lp-bd-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:14px;overflow:hidden;min-width:0}
.lp-bd-card.p0{background:linear-gradient(135deg,#7ce7ff1c,transparent 60%),var(--panel)}
.lp-bd-card.p1{background:linear-gradient(135deg,#ff7ad91c,transparent 60%),var(--panel)}
.lp-bd-k{margin:0;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.lp-bd-k b{color:var(--accent2)}.lp-bd-card.p1 .lp-bd-k b{color:var(--pink)}
.lp-bd-v{margin:2px 0 10px;font-size:1.5rem;font-weight:900;color:var(--accent)}
.lp-bd-v small{display:block;font-size:.78rem;font-weight:600;color:var(--muted)}
.lp-bd-fan{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.lp-bd-c{position:relative;display:grid;gap:3px;font-size:.75rem;min-width:0}
.lp-bd-c img{width:100%;height:auto;aspect-ratio:245/342;border-radius:5px;background:var(--bg2);box-shadow:0 6px 14px #0008}
.lp-bd-c b{color:var(--accent)}
.lp-bd-c i{position:absolute;top:4px;right:4px;font-style:normal;background:#000c;color:#fff;font-weight:800;font-size:.62rem;padding:1px 5px;border-radius:6px}
.lp-bd-toast{position:absolute;top:12px;right:12px;margin:0;background:#3ddc84;color:#062814;font-weight:900;font-size:.72rem;padding:4px 10px;border-radius:999px}
/* final CTA */
.lp-final{text-align:center;padding:56px 0 64px;background:radial-gradient(60% 70% at 50% 100%,#b69cff33,transparent 70%)}
.lp-final .wrap{display:grid;justify-items:center;gap:10px}
.lp-final .lp-p{margin:0 auto 6px}
@media (prefers-reduced-motion:no-preference){
  .lp-cta{animation:lp-cta 7s linear infinite}
  @keyframes lp-cta{to{background-position:200% center}}
  .lp-h1 span{animation:lp-pop .6s cubic-bezier(.2,1.4,.4,1) both}
  .lp-h1 span:nth-child(2){animation-delay:.12s}.lp-h1 span:nth-child(3){animation-delay:.24s}
  @keyframes lp-pop{from{opacity:0;transform:translateY(18px) scale(.9)}to{opacity:1;transform:none}}
  .lp-step:hover .lp-art>*{transform:translateY(-4px)}
  .lp-art>*{transition:transform .2s ease}
}
/* "Play on mobile, tablet and PC" */
.lp-devices{margin:0;display:inline-flex;align-items:center;gap:10px;color:#d7dcea;font-size:.92rem;text-align:left;max-width:34em}
.lp-devices.center{display:flex;justify-content:center;margin:14px auto 0;text-align:center}
.lp-dev{display:inline-flex;gap:4px;flex:none;padding:6px 9px;border-radius:999px;background:#ffffff0f;border:1px solid var(--line)}
.lp-dev svg{width:20px;height:20px;fill:none;stroke:var(--accent2);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lp-dev svg:nth-child(2){stroke:#b69cff}.lp-dev svg:nth-child(3){stroke:var(--pink)}
.lp-final .lp-devices{justify-content:center}
/* live "Did you know?" demo */
.ld{gap:12px}
.ld-card{width:min(60vw,220px);margin:0 auto;aspect-ratio:245/342;perspective:900px}
.ld-flip{display:block;width:100%;height:100%;padding:0;border:0;background:none;cursor:pointer;border-radius:5%/3.6%;position:relative}
.ld-flip:focus-visible{outline:3px solid var(--accent2);outline-offset:3px}
.ld-back,.ld-front{position:absolute;inset:0;width:100%;height:100%;border-radius:5%/3.6%;box-shadow:0 18px 40px #000a}
.ld-back{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:repeating-linear-gradient(45deg,#2a2f45 0 8px,#1f2335 8px 16px);border:3px solid transparent;background-clip:padding-box;outline:3px solid #b69cff66}
.ld-q{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:var(--holo);color:#0b0d14;font-weight:900;font-size:2rem}
.ld-brand{font-weight:500;color:#dfe5ff}.ld-brand b{font-weight:800;background:var(--holo);-webkit-background-clip:text;background-clip:text;color:transparent}
.ld-front{object-fit:cover;background:var(--panel)}
.ld.shown .ld-back{display:none}
.ld-info{width:100%;text-align:center;min-height:5.5em}
.ld-info img{width:100%;height:auto;border-radius:18px}
.ld-hint{margin:6px 0 0;color:var(--muted);font-weight:700}
.ld-name{margin:4px 0 0;font-weight:900;font-size:1.15rem}
.ld-meta{margin:0;color:var(--muted);font-size:.85rem}
.ld-price{margin:2px 0 8px;font-weight:900;font-size:1.5rem;color:var(--accent)}
.ld-learn{text-align:left}
.ld-btn{min-height:52px;font-size:1.05rem;padding:0 28px}
@media (prefers-reduced-motion:no-preference){
  .ld.flipping .ld-flip{animation:ld-flip .45s ease-in-out}
  @keyframes ld-flip{0%{transform:rotateY(0)}50%{transform:rotateY(90deg)}100%{transform:rotateY(0)}}
}

/* logo lockup (data-cs-logo): bigger in the hero */
.lp-brand.cs-hero-logo{font-size:clamp(2rem,9vw,2.9rem);gap:.3em;margin-bottom:4px}
.lp-brand.cs-final-logo{font-size:1.6rem;gap:.3em}

/* binders teaser (mobile first: two equal cards side by side from 320px) */
.lpb{text-align:center;max-width:760px}
.lpb-sub{margin:0 auto 18px;max-width:30em}
.lpb-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;text-align:left}
.lpb-card{min-width:0;padding:12px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(160deg,#7ce7ff1a,transparent 55%),var(--panel)}
.lpb-card.p1{background:linear-gradient(160deg,#ff7ad91a,transparent 55%),var(--panel)}
.lpb-name{margin:0;display:flex;align-items:center;gap:6px;font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--accent2)}
.lpb-card.p1 .lpb-name{color:var(--pink)}
.lpb-dot{width:8px;height:8px;border-radius:50%;background:currentColor;flex:none}
.lpb-val{margin:6px 0 0;font-size:clamp(1.15rem,5.4vw,1.6rem);font-weight:900;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1;overflow-wrap:anywhere}
.lpb-n{margin:2px 0 10px;font-size:.78rem;color:var(--muted)}
.lpb-thumbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}
.lpb-thumbs img{display:block;width:100%;height:auto;aspect-ratio:245/342;object-fit:cover;border-radius:4px;background:var(--bg2);box-shadow:0 4px 10px #0007}
.lpb-cta{margin:20px 0 0}
.lpb-btn{min-height:54px;font-size:1.1rem;padding:0 28px}
@media (min-width:600px){.lpb-grid{gap:16px}.lpb-card{padding:16px}.lpb-thumbs{gap:8px}}
.lp-cta{gap:.4em}