/* sACN → Art-Net Bridge — download site. Matches the app: near-black ground,
   cyan accent, rainbow for highlights, the 4-square icon. */
:root{
  --bg:#0a0b10; --bg2:#0e1017; --surface:#14161f; --surface2:#1a1d28;
  --line:#232734; --line2:#2f3444; --ink:#eef0f6; --dim:#9aa0b2; --faint:#6b7185;
  --accent:#31e0d6; --accent2:#4d7cff;
  --rainbow:linear-gradient(90deg,#ff2d55,#ff7a3d,#ffd23d,#3ddc84,#31e0d6,#4d7cff,#b45cff);
  --maxw:1060px;
  --font:'Segoe UI',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
    radial-gradient(900px 480px at 82% -10%, rgba(77,124,255,.10), transparent 60%),
    radial-gradient(760px 420px at 8% 2%, rgba(49,224,214,.08), transparent 58%),
    var(--bg);
  color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
h1,h2,h3{margin:0;line-height:1.1;letter-spacing:-.02em;text-wrap:balance}
strong{color:var(--ink);font-weight:600}
.dim{color:var(--faint)}

/* nav */
.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  gap:16px;max-width:var(--maxw);margin:0 auto;padding:14px 22px}
.nav::before{content:"";position:absolute;inset:0;left:50%;transform:translateX(-50%);width:100vw;z-index:-1;
  background:rgba(10,11,16,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;font-weight:700}
.brand img{border-radius:7px}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a:not(.btn){color:var(--dim);font-size:.94rem}
.nav-links a:not(.btn):hover{color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:2px;font-weight:700;
  padding:12px 22px;border-radius:11px;border:1px solid transparent;cursor:pointer;
  background:var(--accent);color:#06231f;transition:transform .15s,filter .15s,box-shadow .15s;
  box-shadow:0 10px 30px -14px rgba(49,224,214,.7)}
.btn:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn span{font-weight:500;opacity:.8;font-size:.86em}
.btn-sm{padding:8px 15px;font-size:.9rem;border-radius:9px}
.btn-lg{padding:15px 28px;font-size:1.05rem}
.btn-ghost{background:transparent;border-color:var(--line2);color:var(--ink);box-shadow:none}
.btn-ghost:hover{background:var(--surface2);filter:none}

/* hero */
.hero{max-width:760px;margin:0 auto;text-align:center;padding:56px 22px 64px}
.hero-icon{margin:0 auto 22px;border-radius:26px;box-shadow:0 24px 70px -24px rgba(77,124,255,.5)}
.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.badges span{font-size:.74rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--dim);background:var(--surface);border:1px solid var(--line2);border-radius:20px;padding:5px 12px}
.hero h1{font-size:clamp(2.2rem,6vw,3.4rem);font-weight:800}
.lede{color:var(--dim);font-size:1.15rem;margin:20px auto 30px;max-width:60ch}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:20px;color:var(--faint);font-size:.94rem}
.cta-note strong{background:var(--rainbow);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}

/* screenshot showcase */
.shot-wrap{max-width:1000px;margin:0 auto;padding:0 22px 68px;text-align:center}
.shot{max-width:720px;margin:0 auto;border-radius:16px;overflow:hidden;border:1px solid var(--line2);
  box-shadow:0 40px 100px -40px rgba(0,0,0,.9), 0 0 80px -30px rgba(49,224,214,.28);background:#0b0c11}
.shot img{width:100%;height:auto;display:block}
.shot-cap{color:var(--faint);font-size:.92rem;margin:16px 0 0}

/* what-it-does band */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.band-lede{max-width:860px;margin:0 auto;padding:52px 22px;font-size:clamp(1.15rem,2.4vw,1.5rem);
  font-weight:500;line-height:1.5;color:var(--ink)}
.band-lede strong{color:var(--accent)}

/* sections */
.section{max-width:var(--maxw);margin:0 auto;padding:76px 22px}
.section-h{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;text-align:center;margin-bottom:40px}

/* feature grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:linear-gradient(180deg,var(--surface),var(--bg2));border:1px solid var(--line);
  border-radius:15px;padding:24px 22px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--line2);transform:translateY(-3px)}
.card .ic{font-size:1.5rem;margin-bottom:12px}
.card h3{font-size:1.14rem;margin-bottom:8px}
.card p{color:var(--dim);font-size:.96rem;margin:0}

/* how */
.how{max-width:760px}
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.steps li{display:flex;gap:18px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:20px 22px}
.steps .num{flex:0 0 auto;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;color:#06231f;background:var(--accent)}
.steps li div{color:var(--dim);padding-top:4px}
.steps b{color:var(--ink)}.steps em{color:var(--accent);font-style:normal;font-weight:600}

/* download */
.download{text-align:center}
.dl-sub{color:var(--dim);margin:-24px 0 30px}
.dl-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:720px;margin:0 auto}
.dl-card{display:block;text-align:left;background:var(--surface);border:1px solid var(--line2);border-radius:15px;
  padding:22px;transition:border-color .2s,transform .2s,box-shadow .2s}
.dl-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 16px 44px -22px rgba(49,224,214,.6)}
.dl-t{font-weight:700;font-size:1.15rem;display:flex;align-items:center;gap:10px}
.dl-t span{font-size:.64rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#06231f;
  background:var(--accent);border-radius:20px;padding:3px 9px}
.dl-d{color:var(--dim);font-size:.95rem;margin:8px 0 14px}
.dl-meta{color:var(--faint);font-size:.82rem;font-variant-numeric:tabular-nums}
.smartscreen{max-width:600px;margin:28px auto 0;color:var(--faint);font-size:.86rem;line-height:1.55}
.smartscreen b{color:var(--dim)}

/* footer */
.foot{border-top:1px solid var(--line);background:var(--bg2);margin-top:30px}
.foot-in{max-width:var(--maxw);margin:0 auto;padding:26px 22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;color:var(--faint);font-size:.88rem}
.foot-in a{color:var(--accent)}

@media (max-width:820px){.grid{grid-template-columns:1fr 1fr}.dl-cards{grid-template-columns:1fr}.nav-links a:not(.btn){display:none}}
@media (max-width:520px){.grid{grid-template-columns:1fr}.cta .btn{flex:1 1 100%}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover,.card:hover,.dl-card:hover{transform:none}}