:root {
  --bg-dark: #0d0d12;
  --box-bg: #1a1a24;
  --text-light: #e0e0e0;
  --neon-purple: #db52fd;
  --neon-blue: #9000f6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

body {
  background: var(--bg-dark);
  color: var(--text-light);
}

.hero {
  text-align: center;
  padding: 100px 20px;
  height: 50vh;
  background:
    linear-gradient(rgba(88, 88, 99, 0.85), rgba(13, 13, 18, 0.85)),
    url("zbuilding12.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-blue), var(--neon-purple));
  background-size: 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rgbMove 4s linear infinite;
}

.hero p {
  color: #9ca3af;
  margin-top: 10px;
}

.btn-back-home {
  position: fixed;
  top: 25px;
  left: 25px;
  padding: 10px 18px;
  background: var(--box-bg);
  color: #fff;
  border: 2px solid var(--neon-purple);
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 1px;
  transition: 0.3s ease;
  animation: neonRun 3s linear infinite;
  z-index: 1000;
}

.btn-back-home:hover {
  background: var(--neon-purple);
  color: black;
  box-shadow: 0 0 20px var(--neon-purple),
              0 0 40px var(--neon-purple);
}

.line {
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-blue));
  margin: 25px auto;
  border-radius: 10px;
  box-shadow: 0 0 15px var(--neon-purple);
}

.admission-part {
  width: 90%;
  max-width: 1000px;
  margin: auto;
  padding: 60px 0;
  margin-bottom: 30px;
  font-size: 2rem;
  text-shadow: 0 0 10px var(--neon-purple);
}


.admission-section {
  width: 90%;
  max-width: 1000px;
  margin: auto;
  padding: 60px 0;
}

.admission-section h2 {
  margin-bottom: 30px;
  font-size: 2rem;
  text-shadow: 0 0 10px var(--neon-purple);
}

.accordion-btn {
  width: 100%;
  padding: 20px;
  background: var(--box-bg);
  border: 2px solid var(--neon-purple);
  color: white;
  font-size: 1.2rem;
  text-align: left;
  cursor: pointer;
  border-radius: 12px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: 0.3s ease;
}

.accordion-btn:hover {
  background: var(--neon-purple);
  color: black;
  box-shadow: 0 0 20px var(--neon-purple),
              0 0 40px var(--neon-purple);
}

.accordion-content {
  background: #1d1d1d;
  color: var(--text-light);
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  display: none;
  border: 1px solid #352a34;
  box-shadow: 0 0 15px rgba(184,41,255,0.15);
}

.full-line {
  border: none;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--neon-purple), transparent);
  width: 100%;
  margin: 80px 0;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .accordion-btn {
    font-size: 1rem;
  }
}

@keyframes rgbMove {
  0% { background-position: 0% }
  100% { background-position: 300% }
}

@keyframes neonRun {
  0% {
    border-color: var(--neon-purple);
    box-shadow: 0 0 5px var(--neon-purple);
  }
  50% {
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue);
  }
  100% {
    border-color: var(--neon-purple);
    box-shadow: 0 0 5px var(--neon-purple);
  }
}

@media (max-width:768px){

.hero{
  height:auto;
  padding:80px 20px;
}

.hero h1{
  font-size:1.8rem;
}

.hero p{
  font-size:0.9rem;
}

.btn-back-home{
  top:15px;
  left:15px;
  font-size:12px;
  padding:8px 14px;
}

.admission-part{
  font-size:1.5rem;
  text-align:center;
}

.admission-section h2{
  font-size:1.5rem;
}

.accordion-btn{
  font-size:0.95rem;
  padding:16px;
}

.accordion-content{
  font-size:0.9rem;
}

.line{
  width:80px;
}

}