@import url('https://fonts.googleapis.com/css2?family=Kanit:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    overflow-x: hidden;
    overflow-y: hidden;
    font-family: 'Kanit',sans-serif;
  }
  
  .container {
    margin: 0;
    padding: 0;
  }
  
  /* Header with solid dark blue background */
  .header {
    background: rgba(4, 26, 50, 0.95);
    height: 100vh;
    width: 100vw;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
  }
  
  /* Particles.js container */
  #particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
  }
  
  /* Floating molecules */
  .floating-molecules {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    overflow: hidden;
  }
  
  /* General molecule styling */
  .molecule {
    position: absolute;
    opacity: 0.3;
    transition: all 15s ease;
  }
  
  /* Atom styling */
  .atom {
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    position: absolute;
    filter: brightness(2);
  }
  
  .center-atom {
    background-color: white;
  }
  
  /* Bond styling - Fixed to connect properly to atoms */
  .bond {
    width: 40px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.7);
    position: absolute;
    transform-origin: left center;
  }
  
  /* Linear molecule - Adjusted to connect bonds to atoms */
  .linear-molecule {
    width: 120px;
    height: 30px;
    position: absolute;
  }
  
  .linear-molecule .atom:nth-child(1) {
    left: 0;
    top: 5px;
  }
  
  .linear-molecule .bond:nth-child(2) {
    left: 10px; /* Adjusted to connect to the atom */
    top: 13.5px;
    width: 50px; /* Increased width to reach the next atom */
  }
  
  .linear-molecule .atom:nth-child(3) {
    left: 60px;
    top: 5px;
  }
  
  .linear-molecule .bond:nth-child(4) {
    left: 70px; /* Adjusted to connect to the atom */
    top: 13.5px;
    width: 50px; /* Increased width to reach the next atom */
  }
  
  .linear-molecule .atom:nth-child(5) {
    left: 120px;
    top: 5px;
  }
  
  .main {
    max-width: 1500px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: top;
    padding: 20px 0;
    position: relative;
    z-index: 1;
  }
  
  .logo {
    padding: 10px 0;
  }
  
  .logo img {
    width: 150px;
    height: auto;
    margin-left: 30px;
    margin-top: 0px;
  }
  .navigation ul {
    display: flex;
    list-style-type: none;
    gap: 10px;
    margin-right: 60px;
    font-size: 17px;
  }
  
  .navigation ul li {
    position: relative;
  }
  
  .navLink {
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  
  .navLink:hover {
    color: #000;
  }
  
  .navLink::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: #fff;
    transition: all 0.3s ease;
    z-index: -1;
  }
  
  .navLink:hover::before {
    left: 0;
  }
  
  .active .navLink {
    color: #000;
  }
  
  .active .navLink::before {
    left: 0;
    background-color: #fff;
  }
  
  .heroContent {
    max-width: 800px;
    /* margin: 80px auto 0; */
    text-align: center;
    color: #fff;
    /* padding: 0 20px; */
    position: absolute;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    z-index: 1;
  }
  
  /* Updated heading styles */
  .heroContent .main-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.3;
    /* Animation for main title */
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards 0.1s;
  }
  
  .heroContent .tagline {
    font-size: 2rem;
    margin-bottom: 15px;
    line-height: 1.5;
  }
  
  .heroContent .subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s forwards 1s;
  }
  
  /* Enhanced button with pulsing animation */
  .ctaButton {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
    padding: 12px 30px;
    font-size: 1.1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    z-index: 1;
    opacity: 0;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  }
  
  .ctaButton.show {
    opacity: 1;
    animation: pulse 2s infinite;
  }
  
  .login-btn {
    margin-left: 10px;
    background-color: transparent;
  }
  
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
  }
  
  .ctaButton::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: #fff;
    transition: all 0.3s ease;
    z-index: -1;
  }
  
  .ctaButton:hover {
    color: #041a32;
  }
  
  .ctaButton:hover::before {
    left: 0;
  }
  
  /* Animation styles for heading text */
  .animated-text {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    margin-right: 8px;
    animation: fadeInUp 0.6s forwards;
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Apply different animation delays to create a staggered effect for heading */
  .heroContent .tagline .animated-text:nth-child(1) { animation-delay: 0.2s; }
  .heroContent .tagline .animated-text:nth-child(2) { animation-delay: 0.3s; }
  .heroContent .tagline .animated-text:nth-child(3) { animation-delay: 0.4s; }
  .heroContent .tagline .animated-text:nth-child(4) { animation-delay: 0.5s; }
  .heroContent .tagline .animated-text:nth-child(5) { animation-delay: 0.6s; }
  .heroContent .tagline .animated-text:nth-child(6) { animation-delay: 0.7s; }
  .heroContent .tagline .animated-text:nth-child(7) { animation-delay: 0.8s; }
  
  /* Dropdown styles */
  .dropdown-arrow {
    font-size: 10px;
    margin-left: 5px;
  }
  
  .auth-dropdown {
    position: relative;
  }

  .course-dropdown{
    position: relative;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    min-width: 160px;
    background-color: #fff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    border-radius: 4px;
    z-index: 2;
    top: 100%;
    left: 0;
  }
  
  .auth-dropdown:hover .dropdown-content {
    display: block;
  }
  .course-dropdown:hover .dropdown-content{
    display: block;
  }
  .dropdown-content a {
    color: #041a32;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s ease;
    white-space: nowrap;
  }
  
  .dropdown-content a:hover {
    background-color: #f1f1f1;
  }
  
  /* Authentication Modal Styles - Updated for larger centered forms */
  .auth-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(4, 26, 50, 0.95);
    z-index: 10;
    backdrop-filter: blur(8px);
    overflow: hidden;
  }
  
  /* Full page auth pages */
  .auth-page {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .auth-content {
    width: 100%;
    max-width: 600px; /* Increased from 500px */
    padding: 50px; /* Increased from 40px */
    background: transparent;
    border-radius: 15px;
    margin-left:auto;
    margin-right:auto;
    margin-top:4%;
    align-items: center;
  }
  
  /* Animation for page transitions */
  @keyframes slideInRight {
    from {
      transform: translateX(-100%);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }
  
  @keyframes slideInLeft {
    from {
      transform: translateX(100%);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }
  
  .login-page, .register-page {
    display: none;
  }
  
  .top span {
    color: #fff;
    font-size: small;
    padding: 10px 0;
    display: flex;
    justify-content: center;
  }
  
  .top span a {
    font-weight: 500;
    color: #fff;
    margin-left: 5px;
  }
  
  header {
    color: #fff;
    font-size: 36px; /* Increased from 30px */
    text-align: center;
    padding: 10px 0 40px 0;
  }
  
  .two-forms {
    display: flex;
    gap: 15px; /* Increased from 10px */
  }
  
  .input-field {
    font-size: 16px; /* Increased from 15px */
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    height: 56px; /* Increased from 50px */
    width: 100%;
    padding: 0 15px 0 55px; /* Increased padding */
    border: none;
    border-radius: 30px;
    outline: none;
    transition: .2s ease;
  }
  
  .input-field:hover, .input-field:focus {
    background: rgba(255, 255, 255, 0.25);
  }
  
  ::-webkit-input-placeholder {
    color: #fff;
  }
  
  .input-box {
    margin-bottom: 20px; /* Increased from 15px */
    position: relative;
  }
  
  .input-box i {
    position: absolute;
    top: 18px; /* Adjusted for increased input height */
    left: 20px; /* Increased from 17px */
    color: #fff;
    font-size: 18px; /* Added font size */
  }
  
  .submit {
    font-size: 18px; /* Increased from 15px */
    font-weight: 500;
    color: #041a32;
    height: 55px; /* Increased from 45px */
    width: 100%;
    border: none;
    border-radius: 30px;
    outline: none;
    background: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: .3s ease-in-out;
  }
  .submit:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
  }
  
  .two-col {
    display: flex;
    justify-content: space-between;
    color: #fff;
    font-size: 14.5px;
    margin-top: 10px;
  }
  
  .two-col .one {
    display: flex;
    align-items: center;
  }
  
  .two-col .one input {
    margin-right: 5px;
  }
  
  .two label a {
    color: #fff;
    text-decoration: none;
  }
  
  .two label a:hover {
    text-decoration: underline;
  }
  
  .modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    transition: 0.3s ease;
  }
  
  .modal-close:hover {
    color: rgba(255, 255, 255, 0.7);
  }
  
  .back-home {
    text-align: center;
    margin-top: 30px;
  }
  
  .home-button {
    display: inline-flex;
    align-items: center;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
  }
  
  .home-button i {
    margin-right: 5px;
    font-size: 20px;
  }
  
  .home-button:hover {
    opacity: 0.8;
  }
  
  /* Mobile responsiveness */
  @media (max-width: 768px) {
    .main {
      flex-direction: column;
      padding: 10px;
    }
    
    .logo {
      margin-bottom: 20px;
    }
    
    .logo img {
      margin-left: 0px;
      width: 150px;
    }
    
    .navigation ul {
      margin-right: 0;
      padding: 0 20px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .heroContent .main-title {
      font-size: 2.5rem;
    }
    
    .heroContent .tagline {
      font-size: 1.5rem;
    }
    
    .heroContent .subtitle {
      font-size: 1rem;
    }
    
    .auth-content {
      padding: 30px;
      max-width: 90%;
    }
    
    .two-forms {
      flex-direction: column;
      gap: 0;
    }
    
    .input-field {
      height: 50px;
    }
    
    .submit {
      height: 50px;
    }
  }
  
  /* Additional sections styling */
  
  /* About Section */
  .about-section {
    padding: 100px 0;
    background-color: #f9f9f9;
  }
  
  .about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
  }
  
  .about-text {
    flex: 1;
    padding-right: 50px;
  }
  
  .about-text h6 {
    font-size: 2.5rem;
    color: #041a32;
    margin-bottom: 20px;
  }
  
  .about-text p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 20px;
  }
  
  .about-image {
    flex: 1;
    text-align: center;
  }
  
  .about-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }
  
  /* Courses Section */
  .courses-section {
    padding: 100px 0;
    background-color: #041a32;
    color: #fff;
  }
  
  .courses-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
  }
  
  .courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
  }
  
  .course-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  }
  
  .course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
  }
  
  .course-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }
  
  .course-content {
    padding: 20px;
  }
  
  .course-title {
    font-size: 1.4rem;
    margin-bottom: 10px;
  }
  
  .course-description {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
  }
  
  .course-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
  }
  
  .enroll-button {
    display: block;
    width: 100%;
    padding: 12px 0;
    margin-top: 15px;
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 4px;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .enroll-button:hover {
    background-color: #fff;
    color: #041a32;
  }
  
  /* Testimonials Section */
  .testimonials-section {
    padding: 100px 0;
    background-color: #f9f9f9;
  }
  
  .testimonials-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  .testimonials-slider {
    display: flex;
    overflow-x: hidden;
    position: relative;
  }
  
  .testimonial {
    min-width: 100%;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
  }
  
  .testimonial-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 20px;
    font-style: italic;
  }
  
  .testimonial-author {
    font-weight: 600;
    color: #041a32;
  }
  
  .slider-controls {
    display: flex;
    justify-content: center;
    margin-top: 30px;
  }
  
  .slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .slider-dot.active {
    background-color: #041a32;
  }
  
  /* Contact Section */
  .contact-section {
    padding: 100px 0;
    background-color: #041a32;
    color: #fff;
  }
  
  .contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
  }
  
  .contact-info {
    flex: 1;
    min-width: 300px;
    padding-right: 50px;
  }
  
  .contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
  }
  
  .contact-info p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
  }
  
  .contact-details {
    margin-bottom: 30px;
  }
  
  .contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
  }
  
  .contact-item i {
    font-size: 24px;
    margin-right: 15px;
  }
  
  .contact-form {
    flex: 1;
    min-width: 300px;
  }
  
  .contact-form-container {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  .form-control {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1rem;
  }
  
  .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
  }
  
  textarea.form-control {
    min-height: 150px;
    resize: vertical;
  }
  
  .submit-btn {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
    padding: 12px 30px;
    font-size: 1.1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
  }
  
  .submit-btn:hover {
    background-color: #fff;
    color: #041a32;
  }
  
  /* Footer */
  .footer {
    background-color: #020c18;
    color: #fff;
    padding: 60px 0 30px;
  }
  
  .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
  }
  
  .footer-logo {
    margin-bottom: 20px;
  }
  
  .footer-logo img {
    width: 150px;
  }
  
  .footer-about p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
  }
  
  .footer-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
  }
  
  .footer-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 50px;
    height: 2px;
    background-color: #fff;
  }
  
  .footer-links {
    list-style: none;
  }
  
  .footer-links li {
    margin-bottom: 12px;
  }
  
  .footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
  }
  
  .footer-links a:hover {
    color: #fff;
    padding-left: 5px;
  }
  
  .social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
  }
  
  .social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    transition: all 0.3s ease;
  }
  
  .social-links a:hover {
    background-color: #fff;
    color: #041a32;
  }
  
  .footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
  }  
  .heroContent2 {
    margin: auto;
    display: flex;
    gap: 20px;
    max-width: 1000px;
    position: absolute;
    z-index: 1;
    transform: translate(-50%, -50%);
    top: 55%;
    left: 50%;
    
}
  .column {
    background: transparent;
    padding: 15px;
    border-radius: 10px;
    flex: 1;
    text-align: center;
}
.column img {
    width: 200px;
    border-radius: 10px;
}
.text {
  position:relative;
  left:14%;
  text-align: left;
    margin-top: 10px;
    font-size: 16px;
    line-height: 1.6;
}
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
  }
.subheader{
  font-size: 20px;
  font-weight: bold;
}
/* Initial hidden state */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.8s ease-in-out forwards;
}

/* Delays for sequential appearance */
.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; }
.delay-3 { animation-delay: 0.9s; }
.delay-4 { animation-delay: 1.2s; }
.delay-5 { animation-delay: 1.5s; }
.delay-6 { animation-delay: 1.8s; }

/* Keyframe for fade-in effect */
@keyframes fadeIn {
  from {
      opacity: 0;
      transform: translateY(20px);
  }
  to {
      opacity: 1;
      transform: translateY(0);
  }
}

.namebox{
  width: 250px;
  justify-self: center;
  margin-top: 10px;
  margin-bottom: 25px;
  background-color: white;
  color: black;
  padding: 5px 0px 5px 0px;
  border-radius: 10px;
}

/* Contact Page Styles */
.contact-container {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-header h1 {
  font-size: 2.5rem;
  color: #0a2463;
  margin-bottom: 1rem;
}

.contact-header p {
  font-size: 1.2rem;
  color: #555;
  max-width: 600px;
  margin: 0 auto;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.contact-card {
  background: white;
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.contact-card i {
  font-size: 3rem;
  color: #4361ee;
  margin-bottom: 1rem;
}

.contact-card h3 {
  font-size: 1.5rem;
  color: #0a2463;
  margin-bottom: 1rem;
}

.contact-card p {
  color: #555;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.contact-link {
  display: inline-block;
  color: #4361ee;
  font-weight: 600;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 2px solid #4361ee;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.contact-link:hover {
  background-color: #4361ee;
  color: white;
}

/* Animation classes */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.8s forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

.delay-4 {
  animation-delay: 0.8s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .contact-container {
    padding: 3rem 1.5rem;
  }
  
  .contact-header h1 {
    font-size: 2rem;
  }
  
  .contact-header p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .contact-container {
    padding: 2rem 1rem;
  }
  
  .contact-header {
    margin-bottom: 2rem;
  }
  
  .contact-cards {
    grid-template-columns: 1fr;
  }
}