/* ========== The Tech Lab – RBS: Shared Theme ========== */
:root{
  --cyan:#00ffe0; --pink:#ff00c8; --dark1:#0f0c29; --dark2:#302b63; --dark3:#24243e;
  --muted:#cfd3ff; --ink:#f1f1f1; --panel:rgba(255,255,255,0.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family: 'Orbitron', sans-serif;
  background: radial-gradient(circle at center, var(--dark1), var(--dark2), var(--dark3));
  color: var(--ink);
  overflow-x: hidden;
}

/* Header / Nav */
.header{
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  color: #000; text-align: center; padding: 24px 12px;
  box-shadow: 0 0 20px var(--cyan); border-bottom:2px solid var(--pink);
}
.header h1{ font-size: clamp(1.8rem, 3.5vw, 3rem); text-shadow: 0 0 12px #fff; }
.nav{
  margin-top: 12px; display:flex; justify-content:center; gap:28px; flex-wrap:wrap;
}
.nav a{
  color:#000; text-decoration:none; font-weight:700; position:relative;
}
.nav a::after{
  content:""; position:absolute; left:0; bottom:-5px; height:2px; width:0%; background:#fff; transition:width .25s;
}
.nav a:hover::after{width:100%}

/* Sections */
.section{ padding: 64px 18px; text-align:center; }
.section h2{
  font-size: clamp(1.6rem, 3vw, 2.4rem); color: var(--cyan); text-shadow: 0 0 10px var(--cyan); margin-bottom: 14px;
}
.section p{ max-width: 760px; margin: 0 auto; color: #ccc; line-height: 1.65; }

/* Buttons */
.btn{
  display:inline-block; margin-top:28px; background: var(--pink); color:#fff;
  padding: 14px 28px; border-radius: 36px; text-decoration:none; font-weight:700;
  box-shadow: 0 0 15px var(--pink), 0 0 30px var(--pink);
  transition: transform .2s, background .25s, box-shadow .25s;
}
.btn:hover{
  transform: scale(1.05); background: var(--cyan);
  box-shadow: 0 0 20px var(--cyan), 0 0 40px var(--cyan);
}

/* Cards grid */
.grid{
  display:grid; gap:28px; margin-top:34px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  padding: 0 10px;
}
.card{
  background: var(--panel); border:1px solid var(--cyan); border-radius:20px; padding: 20px;
  box-shadow: 0 0 15px var(--cyan); transition: transform .22s ease;
}
.card:hover{ transform: translateY(-4px) }
.card img{ width:100%; border-radius:12px; margin-bottom:10px; }
.card h3{ color: var(--pink); margin: 10px 0 8px; }
.card p{ color:#bbb }

/* Contact row */
.contact-row{
  margin-top:18px; display:flex; flex-wrap:wrap; gap:16px; justify-content:center;
}
.contact-chip{
  display:flex; align-items:center; gap:10px; text-decoration:none;
  color:#ff99ff; padding:12px 22px; border-radius:50px; border:1px solid var(--cyan);
  background: var(--panel); box-shadow: 0 0 10px rgba(0,255,255,.3); transition: transform .2s, box-shadow .25s;
}
.contact-chip i{ color: var(--cyan) }
.contact-chip:hover{ transform: scale(1.06); box-shadow:0 0 20px var(--cyan) }

/* Footer */
.footer{
  background:#111; color:#777; text-align:center; padding:20px; border-top:2px solid var(--pink);
  font-size:.95rem;
}

/* Utility */
.lead{ font-size:1.15rem; color:#ddd }
.max{ max-width: 1080px; margin: 0 auto; }

/* Canvas area (games) */
.canvas-wrap{ display:flex; justify-content:center; margin-top:22px; }
canvas{ border:1px solid var(--cyan); border-radius:12px; box-shadow:0 0 14px var(--cyan); background:#08101f }

/* Sprite area (animation) */
.sprite-wrap{ display:flex; flex-direction:column; gap:12px; align-items:center; }
.controls{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-top:10px; }
input[type="range"]{ width:240px }

/* Responsive header helper spacing for pages with shorter heroes */
.pad-top-sm{ padding-top: 18px }


/* === Demo Pages === */
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 60px 20px 80px;
}

main h2 {
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan);
  margin-bottom: 10px;
}

main .lead {
  color: var(--muted);
  max-width: 620px;
  margin-bottom: 26px;
}

.game-wrap {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Inputs and buttons for small games */
input[type="number"], input[type="text"] {
  padding: 10px 14px;
  border-radius: 22px;
  border: none;
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  margin: 6px;
}

button {
  background: var(--pink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 28px;
  border: none;
  cursor: pointer;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  box-shadow: 0 0 15px var(--pink);
  transition: transform .2s, background .3s;
}
button:hover {
  transform: scale(1.05);
  background: var(--cyan);
  box-shadow: 0 0 20px var(--cyan);
}