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

    body {
      background: linear-gradient(145deg, #fff9f0 0%, #f0f5ff 100%);
      color: #1e293b;
      overflow-x: hidden;
    }

    html {
      scroll-behavior: smooth;
    }

    @keyframes fadeUp {
      0% { opacity: 0; transform: translateY(30px); }
      100% { opacity: 1; transform: translateY(0); }
    }

    @keyframes float {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-12px); }
      100% { transform: translateY(0px); }
    }

    @keyframes pulseGlow {
      0% { box-shadow: 0 0 0 0 rgba(255,107,107,0.7); }
      70% { box-shadow: 0 0 20px 10px rgba(255,107,107,0); }
      100% { box-shadow: 0 0 0 0 rgba(255,107,107,0); }
    }

    .animate-on-scroll {
      opacity: 0;
      animation: fadeUp 0.8s ease forwards;
    }

    .delay-1 { animation-delay: 0.2s; }
    .delay-2 { animation-delay: 0.4s; }
    .delay-3 { animation-delay: 0.6s; }

    .top-bar {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: white;
      padding: 12px 0;
      font-weight: 500;
      border-bottom: 3px solid #ffffff50;
    }

    @keyframes gradientFlow {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    .top-bar .container {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
    }

    .contact-info span {
      margin-right: 28px;
      text-shadow: 2px 2px 2px rgba(0,0,0,0.1);
    }

    .contact-info i {
      margin-right: 8px;
      background: white;
      color: #ff6b6b;
      padding: 5px;
      border-radius: 50%;
      transition: 0.3s;
    }

    .social-icons a {
      color: white;
      margin-left: 18px;
      font-size: 1.2rem;
      transition: all 0.3s;
      display: inline-block;
    }

    .social-icons a:hover {
      transform: scale(1.3) rotate(8deg);
      color: #0f172a;
    }

    .custom-navbar {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 10px 30px -10px rgba(0,0,0,0.1);
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 8px 0;
      border-bottom: 2px solid #ffffff;
    }

    .navbar-brand {
      font-weight: 800;
      font-size: 2.2rem;
      background: linear-gradient(135deg, #ff6b6b, #4ecdc4, #f9ca24);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      letter-spacing: -0.5px;
    }

    .navbar-nav .nav-link {
      font-weight: 500;
      color: #1e293b !important;
      padding: 0.5rem 1rem !important;
      position: relative;
      transition: 0.2s;
    }

    .navbar-nav .nav-link:not(.register-link):hover {
      color: #ff6b6b !important;
    }

    .navbar-nav .nav-link:not(.register-link)::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 1rem;
      right: 1rem;
      height: 3px;
      background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
      border-radius: 10px;
      transform: scaleX(0);
      transition: transform 0.3s;
    }

    .navbar-nav .nav-link:not(.register-link):hover::after {
      transform: scaleX(1);
    }

    .dropdown-menu {
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(10px);
      border-radius: 20px;
      border: 1px solid white;
      box-shadow: 0 25px 40px -10px #ff6b6b80;
      padding: 10px 0;
    }

    .dropdown-item {
      border-radius: 40px;
      padding: 8px 22px;
      font-weight: 500;
      color: #1e293b;
      transition: 0.2s;
    }

    .dropdown-item:hover {
      background: linear-gradient(90deg, #fff1f0, #ffeaa5);
      color: #ff6b6b;
      transform: scale(1.02);
    }

    .register-link {
      background: #3b82f6 !important;
      color: #fff !important;
      padding: 8px 26px !important;
      border-radius: 50px !important;
      font-weight: 600;
      box-shadow: 0 8px 20px #ff6b6b80;
      transition: all 0.3s !important;
      border: 2px solid transparent;
      margin-left: 8px;
      text-decoration:none;
    }

    .register-link:hover {
      transform: scale(1.05);
      background: linear-gradient(145deg, #ff5252, #ff8c42) !important;
      box-shadow: 0 15px 30px #ff5252;
    }

    .navbar-toggler {
      border: 2px solid #ff6b6b;
      padding: 6px 10px;
    }
    .navbar-toggler-icon {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23ff6b6b' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    .hero {
      padding: 60px 0 80px;
      background: radial-gradient(circle at 10% 30%, #ffe6e6, #d4f0fc);
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      background: #ff6b6b30;
      border-radius: 50%;
      top: -100px;
      right: -100px;
      animation: float 8s infinite;
    }

    .hero::after {
      content: '';
      position: absolute;
      width: 300px;
      height: 300px;
      background: #4ecdc450;
      border-radius: 50%;
      bottom: -50px;
      left: -50px;
      animation: float 7s infinite reverse;
    }

    .hero-content {
      animation: fadeUp 1s ease;
    }

    .hero-content h1 {
      font-size: 3.5rem;
      font-weight: 700;
      line-height: 1.2;
      background: linear-gradient(120deg, #0f172a, #ff6b6b, #4ecdc4);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      margin-bottom: 20px;
    }

    .hero-content p {
      font-size: 1.2rem;
      color: #2d3e5f;
      margin-bottom: 30px;
    }

    .btn-join {
      background: #3b82f6;
      border: none;
      color: white;
      padding: 16px 50px;
      font-size: 1.3rem;
      font-weight: 700;
      border-radius: 60px;
      cursor: pointer;
      transition: 0.4s;
      border: 2px solid white;
      box-shadow: 0 15px 25px #ff6b6b;
    }

    @keyframes gradientShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    .btn-join:hover {
      transform: scale(1.1) rotate(-1deg);
      box-shadow: 0 25px 35px #f9ca24;
    }

    .hero-image {
      animation: float 6s ease-in-out infinite;
    }

    .hero-image img {
      max-width: 100%;
      width: 500px;
      border-radius: 40px;
      box-shadow: 20px 20px 30px #ffb6b6, -10px -10px 30px #a8e6e6;
      border: 5px solid white;
    }

    /* sections */
    section {
      padding: 80px 0;
    }

    .section-title {
      text-align: center;
      font-size: 2.8rem;
      font-weight: 700;
      background: linear-gradient(145deg, #ff6b6b, #4ecdc4, #f9ca24);
      -webkit-background-clip: text;
      background-clip: text;
      margin-bottom: 15px;
    }

    .section-sub {
      text-align: center;
      color: #475569;
      font-size: 1.2rem;
      margin-bottom: 55px;
    }

    /* cards */
    .why-card {
      background: rgba(255,255,255,0.6);
      backdrop-filter: blur(6px);
      padding: 40px 20px;
      border-radius: 50px;
      text-align: center;
      transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      border: 2px solid white;
      box-shadow: 0 20px 30px -15px #ffb6b6;
      height: 100%;
    }

    .why-card:hover {
      transform: perspective(500px) rotateX(3deg) rotateY(5deg) scale(1.05);
      background: white;
    }

    .why-card i {
      font-size: 3.2rem;
      background: #3b82f6;
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      margin-bottom: 22px;
    }

    /* about */
    .about-img {
      animation: float 7s infinite;
    }

    .about-img img {
      width: 100%;
      border-radius: 60px 20px 60px 20px;
      box-shadow: 30px 30px 0 #ff6b6b, -20px -20px 0 #4ecdc4;
      transition: 0.4s;
    }

    .about-img img:hover {
      transform: scale(1.02) rotate(1deg);
    }

    .about-text h2 {
      font-size: 2.5rem;
      -webkit-background-clip: text;
      background-clip: text;
    }

    .about-text p {
      margin: 20px 0;
      letter-spacing: 0.5px;
    text-align: justify;
      display: flex;
      align-items: center;
    }

    .about-text i {
      color: #ff6b6b;
      font-size: 1.8rem;
      margin-right: 15px;
      background: #ffe9e9;
      padding: 10px;
      border-radius: 50%;
    }

    .container-custom {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
    
    .course-card {
      background: white;
      border-radius: 40px;
      padding: 30px 20px;
      transition: 0.4s;
      border: 3px solid transparent;
      box-shadow: 0 15px 35px #ffe2e2;
      position: relative;
      overflow: hidden;
      height: 100%;
    }

    .course-card::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: conic-gradient(#ff6b6b, #4ecdc4, #f9ca24, #ff6b6b);
      animation: rotate 6s linear infinite;
      opacity: 0;
      transition: opacity 0.4s;
      z-index: -2;
    }

    .course-card:hover::before {
      opacity: 0.3;
    }

    @keyframes rotate {
      100% { transform: rotate(360deg); }
    }

    .course-card:hover {
      transform: scale(1.03) translateY(-10px);
      border-color: #ff9f4b;
    }

    .course-icon {
      font-size: 2.8rem;
      background: #ffecec;
      width: 80px;
      height: 80px;
      border-radius: 30px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #3b82f6;
      margin-bottom: 25px;
    }

    .badge-custom {
      background: #4ecdc4;
      color: white;
      padding: 8px 22px;
      border-radius: 40px;
      font-weight: 600;
      display: inline-block;
      margin-top: 15px;
    }


    .fac-item {
      background: #3b82f6;
    border-radius: 50px;
    padding: 45px 20px;
    text-align: center;
    transition: 0.4s;
    border: 1px solid #534bd1;
    height: 100%;
    }

    .fac-item:hover {
      transform: rotate(1deg) scale(1.05);
      background: linear-gradient(145deg, #ffd6d6, #b0f0ea);
      border: 3px solid #3b82f6;
    }

    .fac-item i {
      font-size: 2rem;
      background: white;
      padding: 20px;
      border-radius: 60px;
      color: #3b82f6;
      margin-bottom: 20px;
      display: inline-block;
      transition: 0.3s;
    }

    .fac-item:hover i {
      transform: scale(1.2) rotate(5deg);
      background: #3b82f6;
      color: white;
    }

    .testi-card {
      background: rgba(255,255,240,0.7);
      backdrop-filter: blur(8px);
      border-radius: 60px 60px 60px 20px;
      padding: 35px 30px;
      border: 2px solid white;
      transition: 0.5s;
      height: 100%;
    }

    .testi-card:hover {
      background: white;
      box-shadow: 3px 4px 0 #ffb6b6, -10px -10px 0 #4ecdc4;
    }

    .testi-card i.fa-quote-left {
      color: #ff6b6b;
      font-size: 2.5rem;
      opacity: 0.6;
    }

    .testi-user img {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      border: 4px solid #f9ca24;
    }
    
    .section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    margin: 16px auto 0;
    border-radius: 4px;
}

    /* footer */
    footer {
      background: #0f172a;
      color: #ddd;
      padding: 60px 0 20px;
      border-top: 8px solid transparent;
      border-image: linear-gradient(90deg, #ff6b6b, #4ecdc4, #f9ca24, #ff6b6b);
      border-image-slice: 1;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col iframe {
      width: 100%;
      height: 200px;
      border-radius: 30px;
      border: 4px solid #ffffff30;
    }

    .footer-col h4 {
      color: white;
      font-size: 1.4rem;
      margin-bottom: 22px;
      border-left: 6px solid #ff6b6b;
      padding-left: 16px;
    }

    .footer-col ul {
      list-style: none;
      padding-left: 0;
    }

    .footer-col ul li {
      margin-bottom: 14px;
    }

    .footer-col ul li a {
      color: #cbd5e1;
      text-decoration: none;
      transition: 0.3s;
      display: inline-block;
    }

    .footer-col ul li a:hover {
      color: #ff6b6b;
      transform: translateX(10px) scale(1.05);
    }

    .footer-col i {
      margin-right: 12px;
      color: #ff6b6b;
      background: #1e293b;
      padding: 8px;
      border-radius: 50%;
    }

    .footer-bottom {
      text-align: center;
      padding-top: 30px;
      border-top: 2px solid #1e293b;
      color: #94a3b8;
    }

.duration-badge {
    display: inline-block;
    background: #f1f5f9;
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #475569;
    margin: 16px 0 12px;
    transition: all 0.3s;
}

.contact-map {
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.1);
    height: 100%;
    min-height: 450px;
}
.contact-form-card {
    background: white;
    border-radius: 28px;
    padding: 35px;
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.08);
    border: 1px solid #eef2f6;
    transition: all 0.3s;
}
.form-group {
    margin-bottom: 20px;
}
.form-group select{
    appearance: none;
    background: #fff;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%233b82f6' height='22' viewBox='0 0 24 24' width='22' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 18px center;
    padding-right: 50px;
}
.form-control {
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 12px 18px;
    font-size: 0.95rem;
    transition: all 0.3s;
}
.submit-btn {
    background: linear-gradient(45deg, #c5c7ff, #3b82f6);
    color: white;
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    width: 100%;
}
.error{
color:red;
font-size:13px;
margin-top:5px;
display:block;
}
    /* responsive */
    @media (max-width: 992px) {
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-content h1 { font-size: 2.8rem; }
    }
    @media (max-width: 768px) {
      .hero-content h1 { font-size: 2.5rem; }
      .section-title { font-size: 2.2rem; }
    }
    @media (max-width: 576px) {
      .footer-grid { grid-template-columns: 1fr; }
      .contact-info span { margin-right: 15px; }
    }