:root{
  --bg:#000;
  --text:#e9efff;
  --muted:#a8b7ff;
  --cyan:#5bc6ff;
  --purple:#a16eff;
  --mag:#d66fff;
  --glass: rgba(255,255,255,0.06);
  --glass2: rgba(255,255,255,0.10);
  --stroke: rgba(255,255,255,0.14);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x:hidden;
}

.stars{position:fixed; inset:0; pointer-events:none; z-index:0;}
#starsCanvas{width:100%; height:100%; display:block; opacity:0.9;}

.intro-overlay{
  position:fixed; inset:0; z-index:50;
  display:grid; place-items:center;
  background: radial-gradient(circle at 50% 50%, rgba(0,170,255,0.08), rgba(0,0,0,0.95) 60%);
  backdrop-filter: blur(6px);
  animation: introFade 6.5s ease forwards;
}
.intro-logo{
  width:min(70vw, 700px);
  filter: drop-shadow(0 0 30px rgba(0,170,255,0.35)) drop-shadow(0 0 60px rgba(161,110,255,0.35));
  opacity:0.0;
  transform: scale(0.96);
  animation: logoPulse 6.5s ease forwards;
}
@keyframes introFade{
  0%{opacity:1}
  78%{opacity:1}
  100%{opacity:0; visibility:hidden}
}
@keyframes logoPulse{
  0%{opacity:0; transform: scale(0.95)}
  18%{opacity:1; transform: scale(1)}
  55%{opacity:0.85}
  78%{opacity:0.0; transform: scale(1.02)}
  100%{opacity:0}
}

.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 22px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.78), rgba(0,0,0,0.18));
  border-bottom:1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}
.brand-left{display:flex; align-items:center; gap:14px;}
.auralux-mark{
  width:44px; height:44px; object-fit:contain;
  filter: drop-shadow(0 0 22px rgba(91,198,255,0.25));
}
.brand-name{font-weight:800; letter-spacing:0.02em}
.brand-tag{color:var(--muted); font-size:0.86rem}

.topbar-actions{display:flex; gap:10px}
.pill{
  text-decoration:none;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.12);
  color:var(--text);
  background: linear-gradient(90deg, rgba(125,95,255,0.28), rgba(0,170,255,0.22));
  box-shadow: 0 0 24px rgba(125,95,255,0.10);
}
.pill.ghost{background: rgba(255,255,255,0.04)}
.pill:hover{transform: translateY(-1px); box-shadow: 0 0 34px rgba(161,110,255,0.22)}

.wrap{position:relative; z-index:1; max-width:1180px; margin:0 auto; padding: 26px 18px 70px;}
.hero h1{
  margin: 26px 0 8px;
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  font-weight: 800;
  text-align:center;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--mag));
  -webkit-background-clip:text; background-clip:text;
  color: transparent;
  text-shadow: 0 0 35px rgba(125,95,255,0.55);
}
.subtitle{
  text-align:center;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--muted);
  margin: 0 0 26px;
}
.glow{color:var(--text); text-shadow: 0 0 18px rgba(91,198,255,0.45); font-weight:700}

.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 26px;
  align-items:start;
}
@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr; }
  .topbar-actions{display:none}
}

.hero-copy{
  padding: 22px 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 0 60px rgba(0,170,255,0.05);
}
.kicker{margin:0 0 10px; font-size:1.35rem}
.lead{margin:0 0 18px; color:#c7d2ff; line-height:1.6}

.micro{display:flex; flex-direction:column; gap:12px}
.micro-item{display:flex; gap:10px; align-items:flex-start}
.micro-dot{
  width:10px; height:10px; border-radius:99px;
  margin-top:7px;
  background: radial-gradient(circle at 30% 30%, var(--cyan), var(--purple));
  box-shadow: 0 0 16px rgba(91,198,255,0.25);
}
.micro-title{font-weight:700}
.micro-sub{color:var(--muted); font-size:0.95rem; margin-top:2px}

.demo-panel{
  border-radius: 26px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 0 90px rgba(161,110,255,0.08);
  padding: 18px;
}

.orb-wrap{display:flex; flex-direction:column; gap:14px}
.orb{
  position:relative;
  width:min(420px, 90%);
  aspect-ratio: 1/1;
  margin: 0 auto;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 30%, rgba(91,198,255,0.18), rgba(161,110,255,0.08) 45%, rgba(0,0,0,0.3) 70%),
    radial-gradient(circle at 70% 70%, rgba(214,111,255,0.12), rgba(0,0,0,0.2) 60%);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow:
    0 0 60px rgba(0,170,255,0.20),
    0 0 90px rgba(161,110,255,0.14),
    inset 0 0 22px rgba(255,255,255,0.08);
  display:grid;
  place-items:center;
  cursor:pointer;
  overflow:hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.orb:hover{
  transform: scale(1.015);
  box-shadow:
    0 0 80px rgba(0,170,255,0.26),
    0 0 120px rgba(161,110,255,0.18),
    inset 0 0 22px rgba(255,255,255,0.10);
}
.orb.dragover{
  box-shadow:
    0 0 95px rgba(91,198,255,0.40),
    0 0 140px rgba(161,110,255,0.25),
    inset 0 0 24px rgba(255,255,255,0.12);
  border-color: rgba(91,198,255,0.45);
}
.orb::before{
  content:"";
  position:absolute; inset:-40%;
  background: conic-gradient(from 120deg, rgba(0,170,255,0.0), rgba(0,170,255,0.55), rgba(161,110,255,0.55), rgba(214,111,255,0.55), rgba(0,170,255,0.0));
  filter: blur(18px);
  opacity:0.30;
  animation: spin 9s linear infinite;
}
@keyframes spin{to{transform: rotate(360deg)}}

.orb-inner{
  position:relative;
  text-align:center;
  padding: 22px;
  z-index:1;
}
.orb-title{font-weight:800; font-size:1.35rem; letter-spacing:0.02em}
.orb-sub{margin-top:8px; color:var(--muted)}
.orb-hint{margin-top:10px; font-size:0.92rem; color:#bcd0ff}
.file-input{
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
}

.wave-wrap{
  border-radius: 18px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.10);
  overflow:hidden;
}
#waveCanvas{width:100%; height:180px; display:block}
.wave-caption{
  padding: 8px 12px 12px;
  color: var(--muted);
  font-size: 0.92rem;
  text-align:center;
}

.controls{display:flex; flex-direction:column; gap:14px}
.control-group{display:flex; flex-direction:column; gap:8px}
.control-row{display:grid; grid-template-columns: 160px 1fr; gap:12px}
@media (max-width: 560px){
  .control-row{grid-template-columns: 1fr}
  .orb{width: 92%}
}
.label{font-weight:700; color:#dbe5ff}
.hint{font-size:0.85rem; color:var(--muted)}
.chips{display:flex; flex-wrap:wrap; gap:8px}
.chip{
  border-radius: 999px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  cursor:pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.chip:hover{transform: translateY(-1px); box-shadow: 0 0 20px rgba(161,110,255,0.18)}
.chip.active{
  border-color: rgba(91,198,255,0.45);
  background: linear-gradient(90deg, rgba(0,170,255,0.22), rgba(125,95,255,0.22));
  box-shadow: 0 0 22px rgba(0,170,255,0.18);
}

.select, .input{
  width:100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  outline:none;
}
.select:focus, .input:focus{border-color: rgba(91,198,255,0.55); box-shadow: 0 0 0 3px rgba(91,198,255,0.12)}

.actions{display:flex; gap:10px; flex-wrap:wrap}
.primary{
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: linear-gradient(90deg, rgba(125,95,255,0.55), rgba(0,170,255,0.55));
  color: white;
  font-weight: 800;
  cursor:pointer;
  box-shadow: 0 0 30px rgba(0,170,255,0.18);
}
.primary:disabled{opacity:0.45; cursor:not-allowed}
.secondary{
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  cursor:pointer;
}
.secondary.small{padding: 10px 12px; border-radius: 12px}
.primary:hover:not(:disabled){transform: translateY(-1px); box-shadow: 0 0 40px rgba(161,110,255,0.22)}
.secondary:hover{transform: translateY(-1px)}

.status{
  border-radius: 18px;
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.35);
  padding: 12px;
}
.status-row{display:flex; align-items:center; justify-content:space-between; gap:10px}
.status-text{color:#c8d6ff}
.badge{
  border:1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 7px 10px;
  color: #dbe7ff;
  background: rgba(255,255,255,0.04);
  font-weight:700;
}

.meter{
  margin-top:10px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  overflow:hidden;
}
.meter-fill{
  width: 0%;
  height:100%;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--mag));
  animation: meterPulse 2.2s ease-in-out infinite;
}
@keyframes meterPulse{0%,100%{opacity:.75} 50%{opacity:1}}

.download-row{display:flex; gap:10px; align-items:center; margin-top: 12px}
.hidden{display:none}
.download{
  display:inline-block;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  text-decoration:none;
}
.download:hover{transform: translateY(-1px)}

.trusted{
  margin-top: 12px;
  text-align:center;
  padding-top: 10px;
}
.trusted-title{color:#dce7ff; font-weight:700; margin-bottom:10px}
.trusted-logos{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  opacity:0.9;
}
.trusted-logos img{
  height: 20px;
  object-fit:contain;
  filter: invert(1) opacity(0.75);
}
.trusted-logos img[alt="YouTube"]{filter: opacity(0.85)}
.trusted-logos img[alt="DreamstarPro X"]{height:18px; filter: invert(1) opacity(0.7)}
.trusted-note{margin-top:8px; color:var(--muted); font-size:0.82rem}

.features{margin-top: 46px; text-align:center}
.features h2{margin:0 0 10px; font-size: 2.1rem}
.features-sub{margin:0 auto 18px; max-width: 860px; color: var(--muted); line-height:1.6}
.feature-grid{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px){.feature-grid{grid-template-columns:1fr}}
.card{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.03);
  padding: 16px;
  text-align:left;
  box-shadow: 0 0 60px rgba(0,170,255,0.05);
}
.card-ico{font-size:1.2rem}
.card-title{font-weight:800; margin-top:8px}
.card-text{color: var(--muted); margin-top:6px; line-height:1.5}

.footer{
  margin-top: 56px;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255,255,255,0.10);
  color: var(--muted);
  text-align:center;
}