:root{
  --bg:#0f1113; --panel:#16191d; --well:#101317; --line:rgba(255,255,255,.07);
  --line2:rgba(255,255,255,.09); --text:#f2f4f5; --muted:#9aa4ad; --dim:#697079;
  --accent:#b8e63c; --accent-dim:#8bac0f; --ink:#0f1113;
  --font:"Space Grotesk","Helvetica Neue",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6}
a{color:inherit}
.wrap{max-width:1280px;margin:0 auto}
canvas.px{image-rendering:pixelated}

/* nav */
header{position:sticky;top:0;z-index:10;background:rgba(15,17,19,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 40px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;text-decoration:none}
.brand .tld{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14px;color:var(--muted)}
.nav-links a{color:var(--muted);text-decoration:none}
.nav-links a:hover{color:var(--text)}
.btn-cta{background:var(--accent);color:var(--ink) !important;font-weight:600;font-size:14px;padding:9px 18px;border-radius:8px;text-decoration:none}
.btn-cta:hover{filter:brightness(1.08)}

/* hero */
.hero{padding:64px 40px 36px;text-align:center}
.pill{display:inline-flex;gap:8px;align-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--accent);border:1px solid rgba(184,230,60,.35);border-radius:999px;padding:6px 14px;margin-bottom:22px}
h1{margin:0 auto;max-width:860px;font-size:clamp(34px,6vw,60px);line-height:1.06;letter-spacing:-.03em;font-weight:700}
h1 .hl{color:var(--accent)}
.sub{margin:20px auto 0;max-width:640px;font-size:18px;line-height:1.6;color:var(--muted);text-wrap:pretty}

/* sprite strip */
.strip{display:flex;gap:10px;justify-content:center;padding:0 40px 40px;flex-wrap:wrap}
.tile{width:118px;height:118px;border-radius:10px;overflow:hidden;border:1px solid rgba(255,255,255,.08);background:var(--panel)}
.tile canvas{width:100%;height:100%;display:block}

/* tool */
.tool-outer{max-width:900px;margin:0 auto;padding:0 40px 72px}
.tool-card{background:var(--panel);border:1px solid var(--line2);border-radius:16px;padding:22px}
.drop{border:1.5px dashed rgba(184,230,60,.4);border-radius:12px;min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--well);padding:18px;cursor:pointer;transition:border-color .15s,background .15s}
.drop.dragover{border-color:var(--accent);background:#131a0d}
.drop-icons{display:flex;align-items:center;gap:14px}
.drop-icons .arrow{font-size:26px;color:var(--accent)}
#photoIcon{width:52px;height:40px;display:block;border-radius:6px;border:2px solid var(--accent);box-shadow:0 4px 14px rgba(184,230,60,.25)}
#mascot{width:48px;height:40px;display:block}
.drop-title{font-size:17px;font-weight:600}
.drop-hint{font-size:13px;color:var(--muted);text-align:center}
.drop-btns{display:flex;gap:10px;margin-top:6px}
.btn-primary{background:var(--accent);color:var(--ink);font-weight:600;font-size:14px;padding:10px 20px;border-radius:8px;cursor:pointer;border:none;font-family:inherit;display:inline-block}
.btn-ghost{background:none;border:1px solid rgba(255,255,255,.2);color:#e9ecee;font-weight:500;font-size:14px;padding:10px 20px;border-radius:8px;cursor:pointer;font-family:inherit}
#preview{max-width:100%;max-height:420px;display:block;border-radius:6px}
#meta{font-family:var(--mono);font-size:11px;color:var(--muted)}
.hidden{display:none !important}
.controls{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:18px;align-items:end}
.ctl{display:flex;flex-direction:column;gap:8px}
.ctl label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}
.ctl label b{color:var(--accent);font-family:var(--mono);font-weight:600}
.ctl input[type=range]{accent-color:var(--accent);width:100%}
.ctl select{background:var(--well);color:#e9ecee;border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:9px 10px;font-family:inherit;font-size:13px}
.tool-actions{display:flex;gap:10px;margin-top:18px}
.btn-download{flex:1;background:var(--accent);color:var(--ink);font-weight:700;font-size:15px;padding:13px;border:none;border-radius:9px;cursor:pointer;font-family:inherit}
.btn-download:hover{filter:brightness(1.08)}
.btn-reset{background:none;border:1px solid rgba(255,255,255,.2);color:var(--muted);font-size:14px;padding:13px 20px;border-radius:9px;cursor:pointer;font-family:inherit}

/* sections */
section{padding:64px 40px;border-top:1px solid var(--line)}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--accent);margin-bottom:12px}
h2{margin:0 0 36px;font-size:clamp(26px,4vw,38px);letter-spacing:-.02em;font-weight:700;line-height:1.1}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.card{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:22px}
.card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.card p{font-size:13.5px;line-height:1.6;color:var(--muted)}
.card a.more{display:inline-block;margin-top:10px;font-size:13px;color:var(--accent);text-decoration:none}
.card a.more:hover{text-decoration:underline}
.step-n{font-family:var(--mono);font-size:12px;color:var(--accent);margin-bottom:10px}

/* palette cards */
.swatch-strip{display:flex;gap:3px;margin:12px 0 2px;flex-wrap:wrap}
.swatch-strip i{width:18px;height:18px;border-radius:4px;border:1px solid rgba(255,255,255,.14)}

/* before/after */
.ba-card{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:12px;overflow:hidden}
.ba-card.after{border-color:rgba(184,230,60,.3)}
.ba-card canvas{width:100%;display:block}
.ba-label{padding:12px 16px;font-family:var(--mono);font-size:11px;color:var(--muted)}
.ba-card.after .ba-label{color:var(--accent)}

/* testimonials */
.quote{font-size:14.5px;line-height:1.65;color:#d5dade}
.who{display:flex;align-items:center;gap:10px;margin-top:18px}
.who .av{width:34px;height:34px;border-radius:8px;background:#0f380f;color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.who .nm{font-size:13px;font-weight:600}
.who .rl{font-size:11.5px;color:var(--muted)}

/* FAQ */
.faq-list{max-width:760px}
.faq-list details{border-bottom:1px solid rgba(255,255,255,.09);padding:16px 0}
.faq-list summary{cursor:pointer;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-list summary::after{content:"+";color:var(--muted);font-size:20px;font-weight:400}
.faq-list details[open] summary::after{content:"–"}
.faq-list details p{margin:12px 0 0;font-size:14px;line-height:1.65;color:var(--muted)}

/* long-form content */
.content{max-width:760px}
.content h3{font-size:17px;margin:22px 0 8px}
.content p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.content a{color:var(--accent)}
.content ul{margin:0 0 12px 20px;color:var(--muted);font-size:14.5px}
.content li{margin-bottom:6px}

/* CTA */
.cta{padding:80px 40px;border-top:1px solid var(--line);text-align:center;background:linear-gradient(180deg,#0f1113,#131a0d)}
.cta h2{margin:0;font-size:clamp(30px,4.5vw,44px)}
.cta p{margin:14px 0 28px;color:var(--muted);font-size:16px}
.cta .btn-big{display:inline-block;background:var(--accent);color:var(--ink);font-weight:700;font-size:16px;padding:15px 36px;border-radius:10px;text-decoration:none}

/* footer */
footer{border-top:1px solid var(--line);padding:36px 40px 40px;text-align:center}
.foot-nav{display:flex;gap:8px 22px;justify-content:center;flex-wrap:wrap;margin-bottom:18px;font-size:13.5px}
.foot-nav a{color:var(--muted);text-decoration:none}
.foot-nav a:hover{color:var(--accent)}
.foot-note{font-size:12px;color:#5b6570;font-family:var(--mono)}

@media(max-width:900px){
  .controls{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr}
}
@media(max-width:640px){
  .nav{padding:12px 16px}
  .nav-links{gap:14px}
  .nav-links a:not(.btn-cta){display:none}
  .btn-cta{padding:10px 16px}
  .hero{padding:44px 20px 28px}
  h1{font-size:clamp(26px,7.5vw,34px);line-height:1.15}
  .sub{font-size:15.5px;margin-top:14px}
  .pill{font-size:10px;padding:5px 12px;margin-bottom:16px}
  section{padding:48px 20px}
  h2{margin-bottom:24px}
  /* sprite strip: horizontal scroll, keep all tiles */
  .strip{padding:0 20px 28px;flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .strip::-webkit-scrollbar{display:none}
  .tile{width:86px;height:86px;flex:none}
  /* tool: full-width touch targets */
  .tool-outer{padding:0 16px 48px}
  .tool-card{padding:14px}
  .drop{min-height:230px;padding:16px}
  .drop-btns{flex-direction:column;width:100%;gap:10px}
  .drop-btns .btn-primary,.drop-btns .btn-ghost{width:100%;text-align:center;padding:14px;font-size:15px}
  .controls{grid-template-columns:1fr;gap:16px;margin-top:14px}
  .ctl label{font-size:13px}
  .ctl input[type=range]{height:32px}
  .ctl select{padding:12px 10px;font-size:15px}
  .tool-actions{flex-direction:column;margin-top:14px}
  .btn-download{padding:15px;font-size:16px}
  .btn-reset{padding:13px}
  #preview{max-height:320px}
  .grid-4,.grid-3,.grid-2,.controls{grid-template-columns:1fr}
  .card{padding:18px}
  .faq-list summary{font-size:15px}
  .content p,.content ul{font-size:14px}
  .cta{padding:56px 20px}
  .cta .btn-big{display:block;padding:15px}
  .foot-nav{gap:10px 16px;font-size:13px}
  footer{padding:28px 20px 32px}
}
/* touch devices: bigger interactive affordances regardless of width */
@media(pointer:coarse){
  .ctl input[type=range]{height:34px}
  .faq-list summary{padding:4px 0}
}