:root{
  --bg0:#070816;
  --bg1:#0b1026;
  --panel: rgba(255,255,255,.08);
  --panel2: rgba(255,255,255,.06);
  --text:#eef2ff;
  --muted:#b7c1ff;

  --brand1:#7c5cff; /* purple */
  --brand2:#00e5ff; /* cyan */
  --brand3:#2dff9b; /* green */
  --hot:#ff4fd8;    /* pink */

  --border: rgba(255,255,255,.14);
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0,0,0,.45);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 600px at 12% -10%, rgba(124,92,255,.35), transparent 60%),
    radial-gradient(900px 600px at 90% 10%, rgba(0,229,255,.25), transparent 62%),
    radial-gradient(900px 600px at 55% 110%, rgba(45,255,155,.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

a{ color:inherit; text-decoration:none; }
.container{ width:min(1120px, 92%); margin:0 auto; }

.top{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(7,8,22,.62);
  border-bottom: 1px solid var(--border);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}

.brand{
  font-weight: 950;
  letter-spacing: .2px;
  position: relative;
}
.brand::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-10px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand1), var(--brand2), var(--brand3));
  opacity:.65;
  transform: scaleX(.25);
  transform-origin: left;
}
.brand:hover::after{ transform: scaleX(.8); transition: transform .25s ease; }

.links{ display:flex; gap:18px; align-items:center; }
.links a{ color: var(--muted); font-weight: 800; }
.links a:hover{ color: var(--text); }

.links .cta{
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: linear-gradient(135deg, rgba(124,92,255,.25), rgba(0,229,255,.22));
  box-shadow: 0 14px 40px rgba(0,229,255,.10);
  color: var(--text);
}

.hero{
  padding: 72px 0 28px;
  position: relative;
  overflow: hidden;
}

.hero::before{
  content:"";
  position:absolute;
  inset:-200px;
  background:
    radial-gradient(2px 2px at 10% 20%, rgba(255,255,255,.80), transparent 60%),
    radial-gradient(1px 1px at 30% 80%, rgba(255,255,255,.60), transparent 60%),
    radial-gradient(2px 2px at 70% 30%, rgba(255,255,255,.70), transparent 60%),
    radial-gradient(1px 1px at 85% 70%, rgba(255,255,255,.55), transparent 60%);
  opacity:.35;
  pointer-events:none;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.kicker{
  color: var(--muted);
  font-weight: 850;
  letter-spacing: .2px;
  margin: 0 0 10px;
}

h1{
  margin: 0 0 10px;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.05;
}

.sub{
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 70ch;
}

.buttons{
  margin-top: 16px;
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button{
  display:inline-block;
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 950;
  color: #050816;
  background: linear-gradient(135deg, var(--brand1), var(--brand2), var(--brand3));
  box-shadow: 0 18px 60px rgba(124,92,255,.14);
  transform: translateY(0);
}
.button:hover{ transform: translateY(-1px); }
.button:active{ transform: translateY(0); }

.button.ghost{
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.18);
  box-shadow:none;
}

.quick{
  margin-top: 16px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.chip{
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  padding: 10px 12px;
  border-radius: 999px;
  display:flex;
  gap: 10px;
  align-items:center;
}
.chip .label{ color: var(--muted); font-weight: 900; }
.chip .value{ font-weight: 950; }

.section{ padding: 56px 0; }
.section.alt{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
  border-top: 1px solid rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.10);
}

h2{
  margin:0 0 10px;
  font-size: clamp(24px, 3vw, 34px);
}
.lead{ color: var(--muted); max-width: 85ch; }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.05));
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.timeline{ display:grid; gap: 14px; margin-top: 14px; }
.item-head{
  display:flex;
  gap:10px;
  align-items:baseline;
  justify-content:space-between;
  border-bottom: 1px solid rgba(255,255,255,.12);
  padding-bottom: 10px;
  margin-bottom: 10px;
}
.meta{ color: var(--muted); font-weight: 900; white-space:nowrap; }

.bullets{ margin: 0; padding-left: 18px; color: var(--muted); }
.bullets li{ margin: 8px 0; }

.clean{ list-style:none; padding-left:0; margin: 10px 0 0; color: var(--muted); }
.clean li{ margin: 10px 0; }

.pubs{ margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.pubs li{ margin: 10px 0; }

.footer{
  margin-top: 18px;
  text-align:center;
  color: var(--muted);
}

/* Polymer visual */
.hero-visual{
  padding: 14px;
  position: relative;
  overflow: hidden;
}
.visual-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap: 10px;
  margin-bottom: 10px;
}
.visual-title{ font-weight: 950; }
.visual-sub{ color: var(--muted); font-weight: 850; font-size: .95rem; }

#polymerCanvas{
  width: 100%;
  height: 420px;   /* <-- change from auto to a fixed height */
  display:block;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(700px 420px at 20% 20%, rgba(255,79,216,.16), transparent 55%),
    radial-gradient(700px 420px at 90% 10%, rgba(0,229,255,.14), transparent 60%),
    rgba(0,0,0,.18);
}

.visual-foot{
  display:flex;
  gap: 10px;
  align-items:center;
  margin-top: 10px;
  flex-wrap:wrap;
}
.chipbtn{
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 999px;
  padding: 9px 12px;
  font-weight: 900;
  cursor: pointer;
}
.chipbtn:hover{ background: rgba(255,255,255,.10); }
.hint{ color: var(--muted); font-weight: 800; }

@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 760px){
  .links{ display:none; }
  .grid-2{ grid-template-columns: 1fr; }
}