:root{
  --bg0:#061413;            /* deep teal */
  --bg1:#071f1c;
  --ink:#e7f4f1;
  --muted:rgba(231,244,241,.72);
  --teal:#1bd6c6;
  --orange:#ff7a18;
  --orange2:#ffb36b;
  --shadow: 0 30px 80px rgba(0,0,0,.55);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--ink);
  background: radial-gradient(1200px 900px at 18% 12%, rgba(27,214,198,.16), transparent 55%),
              radial-gradient(1100px 800px at 82% 22%, rgba(255,122,24,.16), transparent 58%),
              linear-gradient(180deg, var(--bg1), var(--bg0));
  overflow-x:hidden;
}

.bg{
  position:fixed; inset:0;
  background:
    radial-gradient(900px 600px at 15% 85%, rgba(255,122,24,.10), transparent 60%),
    radial-gradient(900px 600px at 85% 20%, rgba(27,214,198,.10), transparent 60%);
  pointer-events:none;
  mix-blend-mode:screen;
  opacity:.9;
}

.grain{
  position:fixed; inset:-20%;
  pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
  transform: translate3d(0,0,0);
  opacity:.18;
  mix-blend-mode:overlay;
  animation: drift 18s linear infinite;
}
@keyframes drift{
  0%{transform:translate(-2%,-2%)}
  100%{transform:translate(2%,2%)}
}

.hero{
  position:relative;
  padding:64px 18px 30px;
}
.hero-inner{
  max-width:980px;
  margin:0 auto;
  border:1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(0,0,0,.26), rgba(0,0,0,.06));
  box-shadow: var(--shadow);
  padding:34px 26px;
  backdrop-filter: blur(10px);
}
.kicker{
  letter-spacing:.26em;
  text-transform:uppercase;
  font-size:12px;
  color:rgba(231,244,241,.65);
}
.hero h1{
  margin:10px 0 8px;
  font-size: clamp(32px, 5vw, 56px);
  line-height:1.02;
}
.sub{
  margin:0;
  color:var(--muted);
  max-width:60ch;
}

.gallery{
  display:flex;
  flex-direction:column;
  gap:28px;
  padding:18px 18px 120px;
}

.frame{
  width:min(1120px, 100%);
  margin:0 auto;
  border-radius: calc(var(--radius) + 4px);
  overflow:hidden;
  position:relative;
  background: rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 24px 70px rgba(0,0,0,.6);
}

.frame::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(900px 300px at 30% 15%, rgba(27,214,198,.10), transparent 55%),
              radial-gradient(900px 300px at 70% 85%, rgba(255,122,24,.10), transparent 55%);
  opacity:.55;
  pointer-events:none;
}

.frame img{
  width:100%;
  height:auto;
  display:block;
  transform: translateZ(0);
}

.end{
  width:min(1120px, 100%);
  margin:10px auto 0;
  padding:22px 0 0;
}
.end-inner{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, rgba(0,0,0,.22), rgba(0,0,0,.08));
  box-shadow: var(--shadow);
  padding:22px 20px;
  backdrop-filter: blur(10px);
}
.end-title{font-weight:700}
.end-sub{color:var(--muted); margin-top:6px}

.audio-dock{
  position:fixed;
  left:50%;
  top:16px;
  transform: translateX(-50%);
  z-index:20;
}

.toggle{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 18px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.30));
  color:var(--ink);
  box-shadow: 0 18px 50px rgba(0,0,0,.55);
  cursor:pointer;
  user-select:none;
  min-width: 220px;
}

.toggle:hover{border-color: rgba(255,255,255,.22)}
.toggle:active{transform: translateY(1px)}

.icon{
  width:42px; height:42px;
  display:grid; place-items:center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,122,24,.45), rgba(27,214,198,.18));
  border:1px solid rgba(255,255,255,.12);
  font-size:18px;
}

.label{
  font-weight:700;
  letter-spacing:.01em;
}

.eq{
  margin-left:auto;
  display:flex;
  gap:3px;
  align-items:flex-end;
  height:16px;
  width:26px;
  opacity:.9;
}
.eq span{
  display:block;
  width:4px;
  height:6px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255,122,24,.9), rgba(27,214,198,.75));
  transform-origin: bottom;
  animation: bounce 1.05s ease-in-out infinite;
}
.eq span:nth-child(2){animation-delay:.12s}
.eq span:nth-child(3){animation-delay:.22s}
.eq span:nth-child(4){animation-delay:.34s}

@keyframes bounce{
  0%,100%{transform:scaleY(.35); opacity:.55}
  50%{transform:scaleY(1.15); opacity:1}
}

.paused .eq span{animation-play-state: paused; opacity:.35}

.unlock{
  position:fixed; inset:0;
  z-index:30;
  display:grid;
  place-items:center;
  background: rgba(0,0,0,.66);
  backdrop-filter: blur(10px);
}
/* IMPORTANT: allow JS to hide the overlay by toggling the `hidden` attribute */
.unlock[hidden]{
  display:none !important;
}
.unlock-card{
  width:min(520px, calc(100% - 28px));
  border-radius: calc(var(--radius) + 6px);
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(6,20,19,.92), rgba(0,0,0,.68));
  box-shadow: 0 30px 90px rgba(0,0,0,.65);
  padding:24px 22px;
}
.unlock-title{font-size:18px; font-weight:800}
.unlock-sub{color:var(--muted); margin-top:6px}
.unlock-tip{color:rgba(231,244,241,.55); margin-top:10px; font-size:12px}
.unlock-btn{
  margin-top:14px;
  width:100%;
  padding:18px 18px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(255,122,24,.45), rgba(27,214,198,.25));
  color:var(--ink);
  font-weight:800;
  font-size:18px;
  cursor:pointer;
}
.unlock-btn:hover{filter:brightness(1.06)}

@media (max-width:520px){
  .toggle{min-width: 190px; padding:14px 16px}
  .hero{padding-top:52px}
}