:root{--bg:#0c0a0f;--ink:#f6f7fb;--muted:#c8c9d2;--purple:#5b3e92;--purple-2:#3e2a66;--yellow:#f1b517;--card:#1b1624;--stroke:rgba(255,255,255,.07);--cream:#fbfaf7}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(1100px 700px at 100% -10%, #231b35 0%, var(--bg) 55%), var(--bg);color:var(--ink);font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;line-height:1.6}
.container{max-width:1180px;margin:0 auto;padding:0 1.2rem}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(12,10,15,.7);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--stroke)}
nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;gap:.85rem;align-items:center;text-decoration:none;color:var(--ink)}
.brand img{width:38px;height:38px;border-radius:8px}
.brand strong{font-weight:900;letter-spacing:.2px}
.menu{display:flex;gap:1.2rem;align-items:center}
.menu a{color:var(--ink);text-decoration:none;opacity:.9;transition:opacity .18s ease, transform .18s ease}
.menu a:hover{opacity:1;transform:translateY(-1px)}
.btn{display:inline-flex;gap:.55rem;align-items:center;padding:.75rem 1.05rem;border-radius:999px;text-decoration:none;border:1px solid var(--stroke);font-weight:800;color:var(--ink);background:transparent;transition:transform .18s ease, box-shadow .18s ease, background .18s ease;cursor:pointer;font-size:inherit;font-family:inherit}
.btn.primary{background:var(--yellow);color:#1b1b1f;border-color:transparent}
.btn.ghost{border-color:var(--stroke)}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.4)}

/* Hamburger */
.hamburger{display:none;background:none;border:none;color:var(--ink);cursor:pointer;padding:.5rem;line-height:1}
.hamburger svg{width:28px;height:28px}

/* Sparkles */
.sparkle-wrap{position:relative}
canvas.sparkles{position:absolute;inset:0;z-index:0;pointer-events:none}
section, footer, header{position:relative;z-index:1}

/* Hero */
.hero{padding:58px 0}
.hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:center}
.hero h1{font-size:clamp(2.6rem,4vw+1rem,4.4rem);line-height:1.02;margin:.25rem 0 .6rem;font-weight:900;color:var(--ink)}
.hero .lead{font-size:clamp(1.1rem,1.15vw+1rem,1.35rem);opacity:.95;color:var(--ink)}
.hero .ctas{display:flex;gap:.9rem;margin-top:1.2rem;flex-wrap:wrap}
.hero .visual{border:1px solid var(--stroke);border-radius:18px;background:linear-gradient(180deg,#2a2140,#141019);padding:18px;min-height:260px}
.hero .visual img, .hero .visual .placeholder{width:100%;height:auto;display:block;border-radius:12px}

/* Light band */
.band{background:var(--cream);color:#1b1b1f;padding:48px 0}
.band h1, .band h2, .band h3, .band p, .band label{color:#1b1b1f}
.band .grid{display:grid;gap:18px}
.band .grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.band .card{background:#fff;border:1px solid #ececf1;border-radius:16px;padding:18px;color:#1b1b1f}
.band .card h3{color:#1b1b1f}
.band .card .input,
.band .card textarea,
.band .card select{background:#fff;color:#1b1b1f;border:1px solid #d1d1d6}
.band .card .input:focus,
.band .card textarea:focus,
.band .card select:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px rgba(91,62,146,.15)}
.band .card a{color:var(--purple)}

/* Sub-hero */
.sub-hero{padding:42px 0}
.sub-hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:center}
.sub-hero h1, .sub-hero p{color:var(--ink)}
.sub-hero .visual{border:1px solid var(--stroke);border-radius:16px;background:linear-gradient(180deg,#2a2140,#141019);padding:16px;min-height:220px}

/* Cards */
.card.dark{background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));border:1px solid var(--stroke);border-radius:16px;padding:18px;color:var(--ink)}

/* Alert */
.alert{background:rgba(91,62,146,.12);border:1px solid rgba(91,62,146,.25);border-radius:12px;padding:1rem;margin:1rem 0;font-weight:600}

/* Utility */
.small{font-size:.85rem;opacity:.85}

/* Forms */
.input, textarea, select{width:100%;padding:.7rem;border-radius:12px;border:1px solid var(--stroke);background:#17131f;color:var(--ink);font-family:inherit;font-size:inherit}
.input:focus, textarea:focus, select:focus{outline:none;border-color:var(--yellow);box-shadow:0 0 0 3px rgba(241,181,23,.15)}
label{font-weight:800}
.form-grid{display:grid;gap:16px}
@media(min-width:760px){.form-grid.cols-2{grid-template-columns:repeat(2,1fr)}}

/* Footer */
footer.site{padding:46px 0;border-top:1px solid var(--stroke);color:var(--muted)}
footer .cols{display:grid;grid-template-columns:2fr 1fr;gap:16px}
footer a{color:var(--yellow);text-decoration:none}
footer a:hover{color:#ffd158}

/* Mobile */
@media(max-width:768px){
  .hamburger{display:block}
  .menu{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;background:rgba(12,10,15,.96);backdrop-filter:saturate(180%) blur(14px);padding:1.5rem;gap:1rem;border-bottom:1px solid var(--stroke)}
  .menu.open{display:flex}
  .menu a{padding:.5rem 0;font-size:1.05rem}
  .hero .wrap, .sub-hero .wrap{grid-template-columns:1fr;text-align:center}
  .hero .ctas{justify-content:center}
  .hero .visual, .sub-hero .visual{display:none}
  footer .cols{grid-template-columns:1fr;text-align:center;gap:1rem}
}