:root{--bg:#070b1a;--card:#0f1730;--tx:#e8ecf8;--mut:#9aa6c7;--ac:#6d7cff}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(900px 500px at 80% -10%,#1b2a6b55,transparent),var(--bg);color:var(--tx);font:16px/1.6 system-ui,sans-serif}
a{color:var(--ac)}.wrap{max-width:1100px;margin:auto;padding:48px 20px}.mut{color:var(--mut)}.small{font-size:.85rem;padding-top:0}
header{position:sticky;top:0;background:#070b1aee;backdrop-filter:blur(8px);z-index:9;border-bottom:1px solid #1d2a55}.bar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:12px}
.logo{font-weight:700;color:var(--tx);text-decoration:none}nav{display:flex;gap:16px;align-items:center}nav a{color:var(--mut);text-decoration:none}nav a[aria-current]{color:var(--tx)}
#menu{display:none;background:none;color:var(--tx);border:1px solid #1d2a55;border-radius:8px;font-size:1.2rem}
.btn{display:inline-block;background:linear-gradient(135deg,#5668ff,#8a5bff);color:#fff!important;border:0;padding:10px 20px;border-radius:999px;text-decoration:none;cursor:pointer;font:inherit}
.btn.ghost{background:none;border:1px solid var(--ac)}.btn[disabled]{opacity:.5;cursor:not-allowed}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.1}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.card{background:var(--card);border:1px solid #1d2a55;border-radius:16px;padding:20px}
.ic{font-size:1.6rem}.n{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--ac)}ol.steps{list-style:none;padding:0}
.dev{width:130px;height:200px;border-radius:22px;background:linear-gradient(145deg,#2a3568,#0b1128);border:2px solid #5a6aa8;display:grid;place-items:center;margin:auto;box-shadow:0 0 50px #5668ff55;animation:fl 5s ease-in-out infinite}
.dev.big{width:180px;height:280px}.dev i{width:70%;height:35%;background:#0a1a3a;border-radius:8px;border:1px solid var(--ac)}@keyframes fl{50%{transform:translateY(-10px)}}
.prod{display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:center}.note{background:#2a2410;border:1px solid #6b5a1a;padding:10px 14px;border-radius:10px;color:#f1d98a}
details{background:var(--card);border:1px solid #1d2a55;border-radius:12px;padding:12px 16px;margin:8px 0}summary{cursor:pointer;font-weight:600}
input,select,textarea{width:100%;padding:10px;border-radius:8px;border:1px solid #2a3a75;background:#0b1128;color:var(--tx);font:inherit}label{display:block;margin:12px 0}.tools{display:grid;grid-template-columns:2fr 1fr;gap:16px}
.coin{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--ac);font-weight:700;font-size:.75rem}.err{color:#ff8a8a;font-size:.85rem}.ok{color:#7be0a0}
footer{border-top:1px solid #1d2a55}.fcols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px}.fcols a{display:block;color:var(--mut);text-decoration:none}.cta{text-align:center}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px;z-index:99}:focus-visible{outline:2px solid #fff;outline-offset:2px}
@media(max-width:760px){#menu{display:block}nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg);flex-direction:column;padding:16px;align-items:flex-start}nav.open{display:flex}.hero,.prod,.tools{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.dev{animation:none}}