.project-card {
        background: white;
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
      }

      .project-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
      }
      /* Global Styles */
      :root {
        --primary: #2563eb;
        --primary-dark: #1e40af;
        --secondary: #10b981;
        --dark: #1f2937;
        --light: #f9fafb;
        --gray: #9ca3af;
        --accent: #f59e0b;
      }

      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
      }

      html {
        scroll-behavior: smooth;
      }

      body {
        line-height: 1.6;
        color: var(--dark);
        background-color: var(--light);
        overflow-x: hidden;
        position: relative;
      }

      /* Animated Background Elements */
      .background-elements {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        overflow: hidden;
      }

      .bg-circle {
        position: absolute;
        border-radius: 50%;
        opacity: 0.1;
        animation: float 15s infinite ease-in-out;
      }

      .bg-circle:nth-child(1) {
        width: 300px;
        height: 300px;
        background: var(--primary);
        top: 10%;
        left: 5%;
        animation-delay: 0s;
      }

      .bg-circle:nth-child(2) {
        width: 200px;
        height: 200px;
        background: var(--secondary);
        top: 70%;
        left: 80%;
        animation-delay: -5s;
      }

      .bg-circle:nth-child(3) {
        width: 150px;
        height: 150px;
        background: var(--accent);
        top: 30%;
        left: 75%;
        animation-delay: -10s;
      }

      .bg-circle:nth-child(4) {
        width: 250px;
        height: 250px;
        background: var(--primary-dark);
        top: 60%;
        left: 10%;
        animation-delay: -7s;
      }

      @keyframes float {
        0%,
        100% {
          transform: translateY(0) translateX(0);
        }
        25% {
          transform: translateY(-20px) translateX(15px);
        }
        50% {
          transform: translateY(10px) translateX(-15px);
        }
        75% {
          transform: translateY(-10px) translateX(10px);
        }
      }

      .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 15px;
      }

      .section {
        padding: 80px 0;
      }

      .section-title {
        text-align: center;
        margin-bottom: 50px;
        position: relative;
      }

      .section-title h2 {
        font-size: 2.5rem;
        color: var(--dark);
        margin-bottom: 15px;
      }

      .section-title p {
        color: var(--gray);
        max-width: 600px;
        margin: 0 auto;
      }

      .section-title::after {
        content: "";
        position: absolute;
        bottom: -15px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background: var(--primary);
        border-radius: 2px;
      }

      .btn {
        display: inline-block;
        padding: 12px 30px;
        background: var(--primary);
        color: white;
        border-radius: 50px;
        font-weight: 600;
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
        text-decoration: none;
      }

      .btn:hover {
        background: var(--primary-dark);
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
      }

      .btn-outline {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
      }

      .btn-outline:hover {
        background: var(--primary);
        color: white;
      }

      /* Scroll to Top Button */
      .scroll-to-top {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: var(--primary);
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s ease;
        opacity: 0;
        visibility: hidden;
        z-index: 999;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
      }

      .scroll-to-top.visible {
        opacity: 1;
        visibility: visible;
      }

      .scroll-to-top:hover {
        background: var(--primary-dark);
        transform: translateY(-5px);
      }

      /* Header */
      header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
      }

      .nav-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 0;
      }

      .logo {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--primary);
      }

      .logo span {
        color: var(--secondary);
      }

      .nav-menu {
        display: flex;
        list-style: none;
        margin: 0;
        padding: 0;
      }

      .nav-menu li {
        margin-left: 30px;
      }

      .nav-menu a {
        color: var(--dark);
        font-weight: 600;
        font-size: 1.1rem;
        transition: color 0.3s ease;
        text-decoration: none;
      }

      .nav-menu a:hover {
        color: var(--primary);
      }

      .hamburger {
        display: none;
        cursor: pointer;
        font-size: 1.5rem;
      }

      /* Hero Section */
      .hero {
        padding-top: 150px;
        padding-bottom: 80px;
        background: linear-gradient(135deg, #f0f4ff 0%, #e6f0ff 100%);
        position: relative;
        overflow: hidden;
      }

      .hero-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
      }
      #suii{
        color: red;
      }

      .hero-text {
        flex: 1;
      }

      .hero-text h1 {
        font-size: 3.5rem;
        margin-bottom: 20px;
        color: var(--dark);
        line-height: 1.2;
      }

      .hero-text h1 span {
        color: var(--primary);
      }

      .hero-text p {
        font-size: 1.2rem;
        margin-bottom: 30px;
        color: #4b5563;
      }

      .hero-buttons {
        display: flex;
        gap: 15px;
        flex-wrap: wrap;
        margin-bottom: 30px;
      }

      .hero-image {
        flex: 1;
        text-align: center;
        position: relative;
      }

      .profile-image-container {
        width: 380px;
        height: 380px;
        margin: 0 auto;
        position: relative;
      }

      .profile-image {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        object-fit: contain;
        border: 5px solid var(--primary);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        animation: pulse 2s infinite ease-in-out;
        background-color: #fff;
      }

      @keyframes pulse {
        0% {
          transform: scale(1);
        }
        50% {
          transform: scale(1.03);
        }
        100% {
          transform: scale(1);
        }
      }

      .social-contact {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 20px;
      }

      .contact-item {
        display: flex;
        align-items: center;
        gap: 10px;
        background: white;
        padding: 10px 15px;
        border-radius: 50px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      }

      .contact-icon {
        width: 40px;
        height: 40px;
        background: var(--primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 1rem;
      }

      /* About Section */
      .about-content {
        display: flex;
        align-items: center;
        gap: 50px;
      }

      .about-text {
        flex: 1;
      }

      .about-text h2 {
        margin-bottom: 20px;
      }

      .about-text p {
        margin-bottom: 15px;
      }

      .about-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-top: 30px;
      }

      .stat-box {
        background: white;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        text-align: center;
      }

      .stat-number {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 5px;
      }

      .stat-text {
        color: var(--gray);
        font-weight: 600;
      }

      .about-skills {
        flex: 1;
      }

      .skill {
        margin-bottom: 20px;
      }

      .skill-name {
        display: flex;
        justify-content: space-between;
        margin-bottom: 5px;
      }

      .skill-bar {
        height: 10px;
        background: #e5e7eb;
        border-radius: 10px;
        overflow: hidden;
      }

      .skill-level {
        height: 100%;
        border-radius: 10px;
        background: var(--primary);
        position: relative;
        width: 0;
        transition: width 1.5s ease;
      }

      /* Technical Skills Section */
      .skills-section {
        background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
      }

      .skills-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
      }

      .skill-category {
        background: white;
        border-radius: 15px;
        padding: 25px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
      }

      .skill-category:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      }

      .skill-category h3 {
        color: var(--primary);
        margin-bottom: 20px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--primary);
        display: flex;
        align-items: center;
        gap: 10px;
      }

      .skill-category h3 i {
        font-size: 1.5rem;
      }

      .skills-list {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
      }

      .skill-item {
        background: #e0f2fe;
        color: var(--primary-dark);
        padding: 8px 15px;
        border-radius: 20px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: all 0.3s ease;
        cursor: default;
        position: relative;
        overflow: hidden;
      }

      .skill-item::before {
        content: "";
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(
          90deg,
          transparent,
          rgba(255, 255, 255, 0.4),
          transparent
        );
        transition: left 0.7s ease;
      }

      .skill-item:hover::before {
        left: 100%;
      }

      .skill-item:hover {
        background: var(--primary);
        color: white;
        transform: translateY(-2px);
      }

      /* Projects Section */
      .projects-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
      }

      .project-card {
        background: white;
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
      }

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

      .project-image {
        height: 200px;
        overflow: hidden;
      }

      .project-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
      }

      .project-card:hover .project-image img {
        transform: scale(1.1);
      }

      .project-info {
        padding: 20px;
      }

      .project-info h3 {
        margin-bottom: 10px;
      }

      .project-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 15px 0;
      }

      .project-tag {
        background: #e0f2fe;
        color: var(--primary);
        padding: 5px 10px;
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: 600;
      }

      /* Certificates Section */
      .certificates-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
      }

      .certificate-card {
        background: white;
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
        display: flex;
        flex-direction: column;
      }

      .certificate-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
      }

      .certificate-image {
        height: 200px;
        overflow: hidden;
      }

      .certificate-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
      }

      .certificate-info {
        padding: 20px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
      }

      .certificate-info h3 {
        margin-bottom: 10px;
      }

      .certificate-info p {
        margin-bottom: 15px;
        flex-grow: 1;
      }

      /* Resume Section */
      .resume-content {
        text-align: center;
        max-width: 700px;
        margin: 0 auto;
      }

      .resume-content p {
        margin-bottom: 30px;
      }

      /* Contact Section */
      .contact-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 50px;
      }

      .contact-info {
        display: flex;
        flex-direction: column;
        gap: 25px;
      }

      .contact-item-large {
        display: flex;
        align-items: center;
        gap: 15px;
      }

      .contact-icon-large {
        width: 50px;
        height: 50px;
        background: var(--primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 1.2rem;
      }

      .contact-form {
        background: white;
        padding: 30px;
        border-radius: 15px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      }

      .form-group {
        margin-bottom: 20px;
      }

      .form-group label {
        display: block;
        margin-bottom: 5px;
        font-weight: 600;
      }

      .form-control {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid #d1d5db;
        border-radius: 8px;
        font-size: 1rem;
        transition: border-color 0.3s ease;
      }

      .form-control:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
      }

      textarea.form-control {
        min-height: 150px;
        resize: vertical;
      }

      /* Footer */
      footer {
        background: var(--dark);
        color: white;
        padding: 50px 0 20px;
      }

      .footer-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
      }

      .footer-content h3 {
        color: white;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 10px;
      }

      .footer-content h3::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 40px;
        height: 3px;
        background: var(--primary);
      }

      .footer-content p {
        margin-bottom: 15px;
        color: var(--gray);

        
      }

      .social-links {
        display: flex;
        gap: 15px;
      }

      .social-link {
        width: 40px;
        height: 40px;
        background: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
      }

      .social-link:hover {
        background: var(--primary);
        transform: translateY(-5px);
      }

      .footer-bottom {
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        color: var(--gray);
      }

      /* Responsive Design */
      @media (max-width: 992px) {
        .hero-content {
          flex-direction: column-reverse;
          text-align: center;
        }

        .hero-buttons {
          justify-content: center;
        }

        .about-content {
          flex-direction: column;
        }

        .social-contact {
          justify-content: center;
        }
      }

      @media (max-width: 768px) {
        .nav-menu {
          position: fixed;
          top: 80px;
          left: -100%;
          flex-direction: column;
          background: white;
          width: 100%;
          text-align: center;
          transition: 0.3s;
          box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
          padding: 20px 0;
        }

        .nav-menu.active {
          left: 0;
        }

        .nav-menu li {
          margin: 15px 0;
        }

        .hamburger {
          display: block;
        }

        .hero-text h1 {
          font-size: 2.5rem;
        }

        .section {
          padding: 60px 0;
        }

        .profile-image-container {
          width: 300px;
          height: 300px;
        }
      }

      @media (max-width: 576px) {
        .hero-text h1 {
          font-size: 2rem;
        }

        .hero-buttons {
          flex-direction: column;
          align-items: center;
        }

        .profile-image-container {
          width: 250px;
          height: 250px;
        }

        .section-title h2 {
          font-size: 2rem;
        }

        .contact-item {
          flex-direction: column;
          text-align: center;
          padding: 15px;
        }

        .about-stats {
          grid-template-columns: 1fr;
        }
      }

      /* Animation Utilities */
      .fade-in {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
      }

      .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
      }
      /* Popup Styles */
.popup-message {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px); /* Center horizontally, slightly above */
  min-width: 250px;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
  color: #141313;
}
.popup-message.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0); /* Move into view */
}
.popup-message.success {
  background-color: #28a745; /* Green */
}
.popup-message.error {
  background-color: #dc3545; /* Red */
}
.popup-content {
  display: flex;
  align-items: center;
}
.popup-icon {
  font-size: 20px;
  margin-right: 10px;
}


      @keyframes pop {
        0% {
          transform: scale(0);
          opacity: 0;
        }
        50% {
          transform: scale(1.2);
          opacity: 1;
        }
        100% {
          transform: scale(1);
        }
      }

      .popup-message p {
        font-size: 1rem;
        font-weight: 600;
        color: #1f2937;
      }
      /* Scroll indicator */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 4px;
  background: var(--primary);
  z-index: 1001;
  transition: width 0.2s ease;
}

/* Active nav link */
.nav-menu a.active-nav {
  color: var(--primary);
  position: relative;
}

.nav-menu a.active-nav::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

/* Enhanced card effects */
.project-card,
.certificate-card,
.skill-category {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}



/* Popup background */
.popup {
  display: none; 
  position: fixed;
  z-index: 1000;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.9);
}

/* Image inside popup */
.popup-content {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 900px;
  border-radius: 10px;
}

/* Close button */
.close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}
.close:hover {
  color: #f00;
}