:root {
        --primary: #ff9c01;
        --primary-dark: #4f46e5;
        --accent: #f59e0b;
        --dark: #5c667d;
        --darker: #161622;
        --light: #f8fafc;
        --gray: #ffffff;
        --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      }

      /* GLOBAL STYLES */
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      body {
        background: var(--darker);
        color: var(--light);
        font-family: "Poppins", sans-serif;
        line-height: 1.6;
        overflow-x: hidden;
        position: relative;
        transition: transform 0.3s ease;
      }

      body.menu-open {
        overflow: hidden;
      }

      body::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(
          circle at 15% 50%,
          rgba(37, 99, 235, 0.15) 0%,
          rgba(0, 0, 0, 0) 40%
        );
        pointer-events: none;
        z-index: -1;
      }

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

      section {
        padding: 100px 0;
      }

      h1,
      h2,
      h3,
      h4 {
        font-weight: 700;
        line-height: 1.2;
      }

      h2 {
        font-size: 2.5rem;
        margin-bottom: 3rem;
        position: relative;
        text-align: center;
      }

      h2::after {
        content: "";
        width: 60px;
        height: 3px;
        background: var(--primary);
        position: absolute;
        bottom: -15px;
        left: 50%;
        transform: translateX(-50%);
      }

      .btn {
        display: inline-block;
        padding: 12px 28px;
        background: var(--primary);
        color: white;
        border-radius: 6px;
        text-decoration: none;
        font-weight: 500;
        transition: var(--transition);
        border: 2px solid var(--primary);
        cursor: pointer;
      }

      .btn:hover {
        background: transparent;
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
      }

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

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

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

      @keyframes float {
        0% {
          transform: translateY(0px);
        }
        50% {
          transform: translateY(-10px);
        }
        100% {
          transform: translateY(0px);
        }
      }

      @keyframes slideIn {
        from {
          transform: translateX(-100%);
        }
        to {
          transform: translateX(0);
        }
      }

      @keyframes fadeInOverlay {
        from {
          opacity: 0;
        }
        to {
          opacity: 1;
        }
      }

      /* NAVIGATION */
      .navbar {
        background: rgba(15, 23, 42, 0.8);
        backdrop-filter: blur(10px);
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
        border-bottom: 6px solid rgba(255, 255, 255, 0.05);
        transition: all 0.3s ease;
      }

      .navbar.scrolled {
        padding: 0.5rem 0;
        background: "rgba(2, 6, 23, 0.95)";
      }

      .nav-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1.5rem 0;
        position: relative;
      }

      .logo {
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--light);
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 10px;
        z-index: 1002;
        position: relative;
      }

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

      .nav-links {
        display: flex;
        list-style: none;
      }

      .nav-links li {
        margin: 0 1rem;
      }

      .nav-links a {
        color: var(--light);
        text-decoration: none;
        font-weight: 500;
        position: relative;
        transition: color 0.3s;
        font-size: 1.1rem;
      }

      .nav-links a::after {
        content: "";
        height: 2px;
        width: 0;
        position: absolute;
        bottom: -5px;
        left: 0;
        background: var(--primary);
        transition: 0.3s ease;
      }

      .nav-links a:hover::after {
        width: 100%;
      }

      .nav-links a.active::after {
        width: 100%;
      }

      .mobile-menu-btn {
        display: none;
        background: none;
        border: none;
        color: var(--light);
        font-size: 1.5rem;
        cursor: pointer;
        z-index: 1002;
        position: relative;
      }

      .mobile-nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.7);
        z-index: 998;
        display: none;
        animation: fadeInOverlay 0.3s ease;
      }

      .mobile-nav-overlay.active {
        display: block;
      }

      /* MOBILE NAVIGATION STYLES */
      @media (max-width: 768px) {
        .mobile-menu-btn {
          display: block;
        }

        .nav-links {
          position: fixed;
          top: 0;
          left: 0;
          height: 100vh;
          width: 80%;
          max-width: 320px;
          background: var(--darker);
          flex-direction: column;
          padding: 100px 2rem 2rem;
          transform: translateX(-100%);
          transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
          z-index: 1000;
          display: flex;
          border-right: 1px solid rgba(255, 255, 255, 0.1);
          box-shadow: 5px 0 15px rgba(0, 0, 0, 0.3);
        }

        .nav-links.active {
          transform: translateX(0);
          animation: slideIn 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        }

        .nav-links li {
          margin: 1.2rem 0;
          opacity: 0;
          transform: translateX(-20px);
          transition: all 0.4s ease;
        }

        .nav-links.active li {
          opacity: 1;
          transform: translateX(0);
        }

        .nav-links li:nth-child(1) {
          transition-delay: 0.1s;
        }
        .nav-links li:nth-child(2) {
          transition-delay: 0.15s;
        }
        .nav-links li:nth-child(3) {
          transition-delay: 0.2s;
        }
        .nav-links li:nth-child(4) {
          transition-delay: 0.25s;
        }
        .nav-links li:nth-child(5) {
          transition-delay: 0.3s;
        }

        .nav-links a {
          font-size: 1.3rem;
        }
      }

      /* HERO SECTION */
      .hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        padding-top: 6rem;
        position: relative;
        overflow: hidden;
      }

      .hero-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        align-items: center;
      }

      .hero-text {
        animation: fadeIn 1s ease;
      }

      .hero-text h1 {
        font-size: 3.5rem;
        margin-bottom: 1.5rem;
        line-height: 1.2;
      }

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

      .hero-text p {
        font-size: 1.25rem;
        margin-bottom: 2rem;
        color: var(--gray);
        max-width: 600px;
      }

      .hero-image {
        display: flex;
        justify-content: center;
        position: relative;
        animation: fadeIn 1s ease 0.2s forwards;
        opacity: 0;
      }

      .hero-img-container {
        width: 370px;
        height: 370px;
        border-radius: 50%;
        background: linear-gradient(
          145deg,
          var(--primary),
          var(--primary-dark)
        );
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        animation: float 6s ease-in-out infinite;
      }

      .hero-img-container::before {
        content: "";
        position: absolute;
        width: 110%;
        height: 110%;
        border-radius: 50%;
        border: 2px solid var(--primary);
        animation: float 8s ease-in-out infinite;
        animation-delay: 0.5s;
      }

      .hero-img-container img {
        width: 95%;
        height: 95%;
        border-radius: 50%;
        object-fit: cover;
        border: 8px solid var(--darker);
      }

      .social-links {
        display: flex;
        gap: 1.5rem;
        margin-top: 2rem;
      }

      .social-links a {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        font-size: 1.3rem;
        color: var(--light);
      }

      .social-links a:hover {
        background: var(--primary);
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
      }

      /* ABOUT SECTION */
      .about-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
      }

      .about-text p {
        margin-bottom: 1.5rem;
        color: var(--gray);
        font-size: 1.1rem;
      }

      .about-details {
        background: rgba(15, 23, 42, 0.5);
        border: 1px solid rgba(255, 255, 255, 0.05);
        border-radius: 15px;
        padding: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      }

      .detail-item {
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      }

      .detail-item:last-child {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
      }

      .detail-item h3 {
        color: var(--primary);
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        gap: 10px;
      }

      /* PROJECTS SECTION */
      .projects-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 2.5rem;
        margin-top: 2rem;
      }

      .project-card {
        background: linear-gradient(
          145deg,
          rgba(15, 23, 42, 0.6),
          rgba(2, 6, 23, 0.7)
        );
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
        transition: var(--transition);
        border: 1px solid rgba(255, 255, 255, 0.05);
        position: relative;
        opacity: 0;
        transform: translateY(20px);
      }

      .project-card.visible {
        opacity: 1;
        transform: translateY(0);
      }

      .project-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 35px rgba(99, 102, 241, 0.2);
        border-color: rgba(99, 102, 241, 0.3);
      }

      .project-img {
        height: 220px;
        overflow: hidden;
        position: relative;
      }

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

      .project-card:hover .project-img img {
        transform: scale(1.05);
      }

      .project-content {
        padding: 1.8rem;
      }

      .project-content h3 {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
      }

      .project-content p {
        color: var(--gray);
        margin-bottom: 1.5rem;
        font-size: 1rem;
      }

      .tech-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1.5rem;
      }

      .tech-tag {
        background: rgba(99, 102, 241, 0.1);
        color: var(--primary);
        padding: 0.3rem 0.8rem;
        border-radius: 20px;
        font-size: 0.85rem;
        font-family: "Roboto Mono", monospace;
      }

      .project-links {
        display: flex;
        gap: 1rem;
      }

      .certification-image {
        border-radius: 10px;
      }

      /* SKILLS SECTION */
      .skills-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        margin-top: 2rem;
      }

      .skill-category {
        background: rgba(15, 23, 42, 0.5);
        border-radius: 15px;
        padding: 2rem;
        border: 1px solid rgba(255, 255, 255, 0.05);
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
      }

      .skill-category h3 {
        color: var(--primary);
        margin-bottom: 1.5rem;
        font-size: 1.4rem;
        display: flex;
        align-items: center;
        gap: 10px;
      }

      .skill-list {
        display: flex;
        flex-direction: column;
        gap: 1rem;
      }

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

      .skill-icon {
        width: 50px;
        height: 50px;
        background: rgba(99, 102, 241, 0.1);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        color: var(--primary);
      }

      .skill-info h4 {
        font-size: 1.1rem;
        margin-bottom: 0.2rem;
      }

      .skill-info p {
        color: var(--gray);
        font-size: 0.9rem;
      }

      /* CONTACT SECTION */
      .contact-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        align-items: center;
      }

      .contact-info {
        display: flex;
        flex-direction: column;
        gap: 2rem;
      }

      .contact-item {
        display: flex;
        align-items: flex-start;
        gap: 1.5rem;
      }

      .contact-icon {
        width: 60px;
        height: 60px;
        background: rgba(99, 102, 241, 0.1);
        border-radius: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.8rem;
        color: var(--primary);
      }

      .contact-text h3 {
        font-size: 1.3rem;
        margin-bottom: 0.5rem;
      }

      .contact-text p,
      .contact-text a {
        color: var(--gray);
        text-decoration: none;
        transition: color 0.3s;
      }

      .contact-text a:hover {
        color: var(--primary);
      }

      .contact-form {
        background: rgba(15, 23, 42, 0.5);
        padding: 2.5rem;
        border-radius: 15px;
        border: 1px solid rgba(255, 255, 255, 0.05);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      }

      .form-group {
        margin-bottom: 1.5rem;
      }

      .form-group input,
      .form-group textarea {
        width: 100%;
        padding: 1rem;
        background: rgba(2, 6, 23, 0.5);
        border: 1px solid rgba(255, 255, 255, 0.05);
        border-radius: 8px;
        color: var(--light);
        font-size: 1rem;
        transition: var(--transition);
      }

      .form-group input:focus,
      .form-group textarea:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        outline: none;
      }

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

      button[type="submit"] {
        background: var(--primary);
        color: white;
        padding: 1rem 2rem;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        transition: var(--transition);
        width: 100%;
        font-weight: 500;
        font-size: 1.1rem;
      }

      button[type="submit"]:hover {
        background: var(--primary-dark);
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
      }

      /* FOOTER */
      .footer-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .copyright {
        color: var(--gray);
        font-size: 0.9rem;
        padding-top: 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        width: 100%;
      }

      /* RESPONSIVE DESIGN */
      @media (max-width: 992px) {
        .hero-content,
        .about-content,
        .contact-container {
          grid-template-columns: 1fr;
        }

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

        .hero-text p {
          margin: 0 auto 2rem;
        }

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

        .hero-image {
          order: -1;
        }
      }

      @media (max-width: 768px) {
        .hero-text h1 {
          font-size: 2.8rem;
        }

        .hero-img-container {
          width: 250px;
          height: 250px;
        }

        h2 {
          font-size: 2.2rem;
        }

        .projects-grid {
          grid-template-columns: 1fr;
        }
      }

      @media (max-width: 576px) {
        section {
          padding: 80px 0;
        }

        .hero-text h1 {
          font-size: 2.3rem;
        }

        .hero-img-container {
          width: 250px;
          height: 250px;
        }

        .btn {
          padding: 10px 24px;
        }
      }