/* ===== GLOBAL STYLES ===== */
  body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    background: linear-gradient(to right, #e8f5e9, #f1f8e9);
    color: #222;
    scroll-behavior: smooth;
  }
  header {
    background: linear-gradient(135deg, #006400, #8FBC8F);
    color: white;
    
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    position: fixed;
    top: 0;
    
    width: 100%;
    z-index: 1000;
  }
  header ul{
      width: 100%;
      text-align:left;
      padding-left:15%;
  }
  header h1 {
    margin: 0;
    font-size: 1.6rem;
  }
  label{
    display: none;
  }
  header h2{
    display: none;
    margin: 0;
    font-size: 1.6rem;
  }
  nav {
    margin-top: 5px;
  }
  nav a {
    margin: 0 12px;
    color: #6ce66c;
    text-decoration: none;
    font-weight: bold;
  }
  nav a:hover {
    text-decoration: underline;
    color: #006400;
  }
  main {
    margin-top: 90px; /* offset for fixed header */
  }

  /* ===== HERO SECTION ===== */
  .hero {
    background: url('her.jpg') no-repeat center/cover;
    height: 65vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
  }
  .hero::after {
    content: "";
    position: absolute;
    top:0; left:0; right:0; bottom:0;
    background: rgba(0,100,0,0.6);
  }
  .hero h2 {
    position: relative;
    font-size: 2.8rem;
    animation: typing 4s steps(40, end), blink 0.8s infinite;
    white-space: nowrap;
    overflow: hidden;
    border-right: 3px solid white;
    /* width: 0; */
  }
  .hero .hh{
    display: none;
  }
  .hero h1{
    display: none;
    position: relative;
    font-size: 2.8rem;
    animation: typing 4s steps(40, end), blink 0.8s infinite;
    white-space: nowrap;
    overflow: hidden;
    border-right: 3px solid white;
  }
  @keyframes typing {
    from { width: 0; }
    to { width: 60%; }
  }
  @keyframes blink {
    50% { border-color: transparent; }
  }

  /* ===== SECTIONS ===== */
  section {
    padding: 50px 20px;
  }
  h2.section-title {
    text-align: center;
    color: #006400;
    margin-bottom: 30px;
    position: relative;
  }
  h2.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: #8FBC8F;
    margin: 8px auto 0;
    border-radius: 2px;
  }

  /* ===== STUDENTS DIRECTORY ===== */
  .students-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(220px,1fr));
    gap: 20px;
  }
  .student-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
    padding: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
    opacity: 0;
    transform: translateY(30px);
  }
  .student-card.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease;
  }
  .student-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,128,0,0.3);
  }
  .student-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
  }
  .student-info {
    margin-top: 10px;
  }
  .student-info h3 {
    margin: 5px 0;
    color: #006400;
  }
  .student-info p {
    margin: 3px 0;
    font-size: 0.9rem;
    margin-bottom:10px;
  }
  .whatsapp-btn {
    background: #25D366;
    color: white;
    padding: 10px 12px;
    marginhtop:10px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.3s;
  }
  .whatsapp-btn:hover {
    background: #1ebe5d;
  }

  /* ===== TEACHER SECTION ===== */
  .teacher-card {
    max-width: 420px;
    margin: 0 auto;
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
  }
  .teacher-card p{
    width: 100%;
    height: 50px;
    background-color: #006400;
    border-radius: 25px;
    padding-top: 20px;
  }
  .teacher-card p:hover{
    background-color: #25D366;
    color: #006400;
    font-weight: bolder;
  }
  .teacher-card  a{
    color: #e8f5e9;
    text-decoration: none;
  }
  .teacher-card.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: all 1s ease;
  }
  .teacher-card img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
  }
  .teacher-card h3 {
    margin: 10px 0;
    color: #006400;
  }
  
  #design img{
  animation : sh 3s linear infinite;
  border-radius:10px;
  }
  @keyframes sh{
      0%{
    box-shadow: 0 2.6667px 6.6667px rgba(0,128,0,0.3);
      }
      50%{
     box-shadow: 0 5.3334px 13.3333px rgba(0,128,0,0.3);
      }
      100%{
          transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,128,0,0.3);
      }
  }
  /* ===== FOOTER ===== */
  footer {
    background: #006400;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
  }
  footer a{
    color: #1ebe5d;
    font-size: 20px;
  }

  /* ===== BACK TO TOP BUTTON ===== */
  #backToTop {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: #006400;
    color: white;
    border: none;
    padding: 12px 15px;
    z-index: 510000;
    border-radius: 50%;
    font-size: 18px;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  }
  #backToTop:hover {
    background: #228B22;
  }
@media(max-width:880px){
.hero h2{
    display: none;
}
.hero h1{
    display: flex;
}
}
@media(max-width:760px){
    header nav{
        display: grid;
        position: absolute;
        background-color: #006400;
        left: 0;
        width: 50%;
        height: 55vh;
        top: 95%;
        border-radius: 5px;
        left: -100%;
        z-index: 30;
        transition: 1s;
          box-shadow: 2px 2px 10px black ;
    }
    header{
        display: flex;
    justify-content: space-between;
    }
    label{
        display: flex;
        font-size: 30px;
        position : absolute ;
        color: #6ce66c;
        padding-top:30px;
        padding-left:20px;
    }
    .overay{
        position: fixed;
        z-index: 20;
        height: 100%;
        width: 90%;
        top: 0;
        display: none;
        left: 50px;
    }
    nav a{
        padding-top: 50px;
        transition :1s;
        width: 93%;
        left:0;
    }
    .to{
        display: none;
        font-size: 40px;
    }
    nav a:hover{
        color: #e8f5e9;
        text-decoration: none;
        background-color: #1ebe5d;
        left: 0;
       
    }
}
@media(max-width:530px){
    .hero h1{
        display: none;
    }
    .hero .hh{
        display: flex;
    }
}