   *,
   *::before,
   *::after {
       margin: 0;
       padding: 0;
       box-sizing: border-box;
   }
   
   :root {
       --bg-primary: #0a192f;
       --bg-secondary: #112240;
       --bg-tertiary: #1d3461;
       --text-primary: #ccd6f6;
       --text-secondary: #8892b0;
       --accent: #64ffda;
       --accent-tint: rgba(100, 255, 218, 0.1);
       --white: #e6f1ff;
       --navy-shadow: rgba(2, 12, 27, 0.7);
       --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
       --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
       --max-width: 1100px;
       --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
       --easing: cubic-bezier(0.645, 0.045, 0.355, 1);
   }
   
   html {
       scroll-behavior: smooth;
       scrollbar-width: thin;
       scrollbar-color: var(--accent) var(--bg-primary);
   }
   
   body {
       font-family: var(--font-sans);
       background: var(--bg-primary);
       color: var(--text-secondary);
       line-height: 1.6;
       overflow-x: hidden;
       -webkit-font-smoothing: antialiased;
   }
   
   ::selection {
       background: var(--accent-tint);
       color: var(--accent);
   }
   
   ::-webkit-scrollbar {
       width: 8px;
   }
   ::-webkit-scrollbar-track {
       background: var(--bg-primary);
   }
   ::-webkit-scrollbar-thumb {
       background: var(--bg-tertiary);
       border-radius: 4px;
   }
   ::-webkit-scrollbar-thumb:hover {
       background: var(--accent);
   }
   
   .mono {
       font-family: var(--font-mono);
   }
   
   /* ==========================================
      SCROLL PROGRESS BAR
      ========================================== */
   .scroll-progress {
       position: fixed;
       top: 0;
       left: 0;
       height: 3px;
       background: var(--accent);
       z-index: 10000;
       width: 0%;
       transition: width 0.1s linear;
       box-shadow: 0 0 10px var(--accent);
   }
   
   /* ==========================================
      NAVIGATION
      ========================================== */
   nav {
       position: fixed;
       top: 0;
       width: 100%;
       z-index: 1000;
       padding: 0;
       transition: var(--transition);
       background: transparent;
   }
   
   nav.scrolled {
       background: rgba(10, 25, 47, 0.85);
       backdrop-filter: blur(10px);
       -webkit-backdrop-filter: blur(10px);
       box-shadow: 0 10px 30px -10px var(--navy-shadow);
   }
   
   .nav-container {
       max-width: var(--max-width);
       margin: 0 auto;
       padding: 1.25rem 2rem;
       display: flex;
       justify-content: space-between;
       align-items: center;
   }
   
   .logo {
       font-family: var(--font-mono);
       font-size: 1.3rem;
       font-weight: 700;
       color: var(--accent);
       text-decoration: none;
       letter-spacing: -0.5px;
       transition: var(--transition);
   }
   
   .logo:hover {
       color: var(--accent);
       text-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
   }
   
   .nav-links {
       display: flex;
       gap: 0.5rem;
       list-style: none;
       align-items: center;
   }
   
   .nav-links a {
       text-decoration: none;
       color: var(--text-primary);
       font-family: var(--font-mono);
       font-size: 0.8rem;
       padding: 0.5rem 0.75rem;
       border-radius: 4px;
       transition: var(--transition);
       position: relative;
   }
   
   .nav-links a:hover,
   .nav-links a.active {
       color: var(--accent);
   }
   
   .menu-toggle {
       display: none;
       flex-direction: column;
       cursor: pointer;
       gap: 5px;
       z-index: 1001;
   }
   
   .menu-toggle span {
       width: 28px;
       height: 2px;
       background: var(--accent);
       transition: var(--transition);
       transform-origin: center;
   }
   
   .menu-toggle.active span:nth-child(1) {
       transform: rotate(45deg) translate(5px, 5px);
   }
   .menu-toggle.active span:nth-child(2) {
       opacity: 0;
   }
   .menu-toggle.active span:nth-child(3) {
       transform: rotate(-45deg) translate(5px, -5px);
   }
   
   /* ==========================================
      HERO SECTION
      ========================================== */
   .hero {
       min-height: 100vh;
       display: flex;
       align-items: center;
       justify-content: center;
       position: relative;
       overflow: hidden;
       padding: 0 2rem;
   }
   
   .hero-bg-grid {
       position: absolute;
       inset: 0;
       background-image:
           linear-gradient(rgba(100, 255, 218, 0.03) 1px, transparent 1px),
           linear-gradient(90deg, rgba(100, 255, 218, 0.03) 1px, transparent 1px);
       background-size: 60px 60px;
       mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 40%, transparent 100%);
       -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 40%, transparent 100%);
   }
   
   .hero-glow {
       position: absolute;
       border-radius: 50%;
       filter: blur(120px);
       opacity: 0.15;
       animation: glowFloat 20s ease-in-out infinite;
   }
   
   .hero-glow-1 {
       width: 600px;
       height: 600px;
       background: var(--accent);
       top: -200px;
       right: -200px;
   }
   
   .hero-glow-2 {
       width: 400px;
       height: 400px;
       background: #7c3aed;
       bottom: -100px;
       left: -100px;
       animation-delay: -10s;
   }
   
   @keyframes glowFloat {
       0%, 100% { transform: translate(0, 0); }
       33% { transform: translate(30px, -30px); }
       66% { transform: translate(-20px, 20px); }
   }
   
   .hero-content {
       max-width: var(--max-width);
       width: 100%;
       z-index: 1;
       animation: heroFadeIn 1s ease forwards;
       animation-delay: 0.2s;
       opacity: 0;
   }
   
   @keyframes heroFadeIn {
       from {
           opacity: 0;
           transform: translateY(30px);
       }
       to {
           opacity: 1;
           transform: translateY(0);
       }
   }
   
   .hero-greeting {
       color: var(--accent);
       font-size: 1rem;
       margin-bottom: 1.25rem;
       font-weight: 400;
       animation: heroFadeIn 0.6s ease forwards;
       animation-delay: 0.6s;
       opacity: 0;
   }
   
   .hero-name {
       font-size: clamp(2.5rem, 7vw, 5rem);
       font-weight: 800;
       color: var(--text-primary);
       line-height: 1.1;
       margin-bottom: 0.5rem;
       min-height: 1.2em;
   }
   
   .stream-text {
       display: inline;
   }
   
   .cursor {
       display: inline-block;
       color: var(--accent);
       animation: blink 0.8s step-end infinite;
       font-weight: 300;
   }
   
   @keyframes blink {
       0%, 100% { opacity: 1; }
       50% { opacity: 0; }
   }
   
   .hero-tagline {
       font-size: clamp(2rem, 5vw, 4rem);
       font-weight: 700;
       color: var(--text-secondary);
       line-height: 1.1;
       margin-bottom: 1.5rem;
       animation: heroFadeIn 0.6s ease forwards;
       animation-delay: 0.8s;
       opacity: 0;
   }
   
   .hero-description {
       font-size: 1.15rem;
       color: var(--text-secondary);
       max-width: 540px;
       margin-bottom: 2.5rem;
       line-height: 1.7;
       animation: heroFadeIn 0.6s ease forwards;
       animation-delay: 1s;
       opacity: 0;
   }
   
   .hero-buttons {
       display: flex;
       gap: 1.25rem;
       flex-wrap: wrap;
       animation: heroFadeIn 0.6s ease forwards;
       animation-delay: 1.2s;
       opacity: 0;
   }
   
   /* Scroll Indicator */
   .scroll-indicator {
       position: absolute;
       bottom: 2.5rem;
       left: 50%;
       transform: translateX(-50%);
       display: flex;
       flex-direction: column;
       align-items: center;
       gap: 0.75rem;
       animation: heroFadeIn 0.6s ease forwards;
       animation-delay: 2s;
       opacity: 0;
   }
   
   .scroll-indicator p {
       font-size: 0.7rem;
       color: var(--text-secondary);
       letter-spacing: 2px;
       text-transform: uppercase;
   }
   
   .mouse {
       width: 24px;
       height: 38px;
       border: 2px solid var(--text-secondary);
       border-radius: 12px;
       position: relative;
   }
   
   .wheel {
       width: 3px;
       height: 8px;
       background: var(--accent);
       border-radius: 3px;
       position: absolute;
       top: 6px;
       left: 50%;
       transform: translateX(-50%);
       animation: scrollWheel 1.5s ease-in-out infinite;
   }
   
   @keyframes scrollWheel {
       0% { opacity: 1; transform: translateX(-50%) translateY(0); }
       100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
   }
   
   /* ==========================================
      BUTTONS
      ========================================== */
   .btn {
       padding: 0.85rem 1.75rem;
       border-radius: 4px;
       text-decoration: none;
       font-family: var(--font-mono);
       font-size: 0.875rem;
       font-weight: 500;
       transition: var(--transition);
       display: inline-flex;
       align-items: center;
       gap: 0.5rem;
       cursor: pointer;
       border: none;
       letter-spacing: 0.5px;
   }
   
   .btn-primary {
       background: transparent;
       color: var(--accent);
       border: 1.5px solid var(--accent);
   }
   
   .btn-primary:hover {
       background: var(--accent-tint);
       transform: translateY(-2px);
       box-shadow: 0 4px 20px rgba(100, 255, 218, 0.15);
   }
   
   .btn-outline {
       background: transparent;
       color: var(--text-primary);
       border: 1.5px solid var(--text-secondary);
   }
   
   .btn-outline:hover {
       color: var(--accent);
       border-color: var(--accent);
       background: var(--accent-tint);
       transform: translateY(-2px);
   }
   
   .btn-large {
       padding: 1.1rem 2.5rem;
       font-size: 0.95rem;
   }
   
   /* ==========================================
      SECTIONS
      ========================================== */
   .section {
       padding: 6rem 2rem;
   }
   
   .section-container {
       max-width: var(--max-width);
       margin: 0 auto;
   }
   
   .section-title {
       font-size: clamp(1.5rem, 3vw, 2rem);
       font-weight: 700;
       color: var(--text-primary);
       margin-bottom: 3rem;
       display: flex;
       align-items: center;
       gap: 0.75rem;
       white-space: nowrap;
   }
   
   .section-title::after {
       content: '';
       display: block;
       width: 100%;
       max-width: 300px;
       height: 1px;
       background: var(--bg-tertiary);
   }
   
   .section-number {
       color: var(--accent);
       font-size: 1.1rem;
       font-weight: 400;
   }
   
   /* Fade-up animation */
   .fade-up-section {
       opacity: 0;
       transform: translateY(60px);
       transition: opacity 0.8s var(--easing), transform 0.8s var(--easing);
   }
   
   .fade-up-section.visible {
       opacity: 1;
       transform: translateY(0);
   }
   
   /* Stagger children */
   .timeline-item,
   .skill-category,
   .project-card {
       opacity: 0;
       transform: translateY(30px);
       transition: opacity 0.6s var(--easing), transform 0.6s var(--easing);
   }
   
   .timeline-item.stagger-visible,
   .skill-category.stagger-visible,
   .project-card.stagger-visible {
       opacity: 1;
       transform: translateY(0);
   }
   
   /* ==========================================
      ABOUT SECTION
      ========================================== */
   .about-content {
       display: grid;
       grid-template-columns: 3fr 2fr;
       gap: 4rem;
       align-items: start;
   }
   
   .about-text h3 {
       font-size: 1.4rem;
       color: var(--text-primary);
       margin-bottom: 1.25rem;
       font-weight: 600;
   }
   
   .about-text p {
       color: var(--text-secondary);
       line-height: 1.8;
       margin-bottom: 1.25rem;
       font-size: 0.95rem;
   }
   
   .about-info {
       display: grid;
       grid-template-columns: repeat(2, 1fr);
       gap: 1.25rem;
       margin-top: 2rem;
       padding-top: 2rem;
       border-top: 1px solid var(--bg-tertiary);
   }
   
   .info-item {
       display: flex;
       flex-direction: column;
       gap: 0.25rem;
   }
   
   .info-label {
       font-family: var(--font-mono);
       font-size: 0.75rem;
       color: var(--accent);
       text-transform: uppercase;
       letter-spacing: 1px;
   }
   
   .info-value {
       color: var(--text-primary);
       font-size: 0.9rem;
       font-weight: 500;
   }
   
   .info-value.highlight {
       color: var(--accent);
   }
   
   .about-image {
       display: flex;
       justify-content: center;
   }
   
   .image-wrapper {
       position: relative;
       width: 280px;
       height: 280px;
   }
   
   .image-wrapper img {
       width: 100%;
       height: 100%;
       object-fit: cover;
       border-radius: 8px;
       filter: grayscale(20%) contrast(1.05);
       transition: var(--transition);
       position: relative;
       z-index: 1;
   }
   
   .image-wrapper:hover img {
       filter: none;
       transform: translate(-4px, -4px);
   }
   
   .image-border {
       position: absolute;
       top: 16px;
       left: 16px;
       width: 100%;
       height: 100%;
       border: 2px solid var(--accent);
       border-radius: 8px;
       transition: var(--transition);
       z-index: 0;
   }
   
   .image-wrapper:hover .image-border {
       top: 12px;
       left: 12px;
   }
   
   /* ==========================================
      TIMELINE (Education & Experience)
      ========================================== */
   .timeline {
       position: relative;
       padding-left: 2rem;
   }
   
   .timeline::before {
       content: '';
       position: absolute;
       left: 6px;
       top: 8px;
       bottom: 8px;
       width: 1px;
       background: var(--bg-tertiary);
   }
   
   .timeline-item {
       position: relative;
       margin-bottom: 2.5rem;
       padding-left: 2rem;
   }
   
   .timeline-item:last-child {
       margin-bottom: 0;
   }
   
   .timeline-dot {
       position: absolute;
       left: -2rem;
       top: 8px;
       width: 13px;
       height: 13px;
       border-radius: 50%;
       border: 2px solid var(--accent);
       background: var(--bg-primary);
       z-index: 1;
       transition: var(--transition);
   }
   
   .timeline-dot.pulse {
       animation: dotPulse 2s ease-in-out infinite;
   }
   
   @keyframes dotPulse {
       0%, 100% { box-shadow: 0 0 0 0 rgba(100, 255, 218, 0.4); }
       50% { box-shadow: 0 0 0 8px rgba(100, 255, 218, 0); }
   }
   
   .timeline-item:hover .timeline-dot {
       background: var(--accent);
   }
   
   .timeline-content {
       background: var(--bg-secondary);
       padding: 1.75rem;
       border-radius: 8px;
       border: 1px solid transparent;
       transition: var(--transition);
   }
   
   .timeline-content:hover {
       border-color: var(--accent-tint);
       transform: translateX(4px);
       box-shadow: -4px 0 0 0 var(--accent);
   }
   
   .timeline-date {
       font-family: var(--font-mono);
       font-size: 0.8rem;
       color: var(--accent);
       margin-bottom: 0.75rem;
       display: inline-block;
   }
   
   .timeline-content h3 {
       color: var(--text-primary);
       font-size: 1.15rem;
       font-weight: 600;
       margin-bottom: 0.35rem;
   }
   
   .timeline-content h4 {
       color: var(--text-secondary);
       font-weight: 400;
       font-size: 0.95rem;
       margin-bottom: 0.75rem;
   }
   
   .timeline-content p {
       color: var(--text-secondary);
       font-size: 0.9rem;
       line-height: 1.7;
   }
   
   /* ==========================================
      SKILLS SECTION
      ========================================== */
   .skills-grid {
       display: grid;
       grid-template-columns: repeat(2, 1fr);
       gap: 1.5rem;
   }
   
   .glass-card {
       background: var(--bg-secondary);
       border: 1px solid rgba(100, 255, 218, 0.05);
       border-radius: 8px;
       transition: var(--transition);
   }
   
   .glass-card:hover {
       border-color: rgba(100, 255, 218, 0.15);
       transform: translateY(-4px);
       box-shadow: 0 20px 40px -15px var(--navy-shadow);
   }
   
   .skill-category {
       padding: 2rem;
   }
   
   .skill-category-header {
       display: flex;
       align-items: center;
       gap: 0.75rem;
       margin-bottom: 1.25rem;
   }
   
   .skill-icon {
       color: var(--accent);
       display: flex;
       align-items: center;
   }
   
   .skill-category h3 {
       color: var(--text-primary);
       font-size: 1.05rem;
       font-weight: 600;
   }
   
   .skill-tags {
       display: flex;
       flex-wrap: wrap;
       gap: 0.5rem;
   }
   
   .skill-tag {
       font-family: var(--font-mono);
       font-size: 0.75rem;
       padding: 0.4rem 0.85rem;
       border-radius: 20px;
       background: var(--accent-tint);
       color: var(--accent);
       border: 1px solid rgba(100, 255, 218, 0.1);
       transition: var(--transition);
       cursor: default;
       white-space: nowrap;
   }
   
   .skill-tag:hover {
       background: rgba(100, 255, 218, 0.2);
       border-color: var(--accent);
       box-shadow: 0 0 15px rgba(100, 255, 218, 0.1);
   }
   
   /* ==========================================
      PROJECTS SECTION
      ========================================== */
   .projects-grid {
       display: grid;
       grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
       gap: 1.25rem;
   }
   
   .project-card {
       padding: 2rem;
       display: flex;
       flex-direction: column;
       position: relative;
       overflow: hidden;
       cursor: default;
   }
   
   .project-card::before {
       content: '';
       position: absolute;
       top: var(--mouse-y, 50%);
       left: var(--mouse-x, 50%);
       width: 300px;
       height: 300px;
       background: radial-gradient(circle, rgba(100, 255, 218, 0.06), transparent 70%);
       transform: translate(-50%, -50%);
       pointer-events: none;
       opacity: 0;
       transition: opacity 0.3s;
   }
   
   .project-card:hover::before {
       opacity: 1;
   }
   
   .project-header {
       display: flex;
       justify-content: space-between;
       align-items: flex-start;
       margin-bottom: 1.5rem;
   }
   
   .project-folder {
       color: var(--accent);
   }
   
   .project-top-links {
       display: flex;
       gap: 0.75rem;
   }
   
   .project-icon-link {
       color: var(--text-secondary);
       transition: var(--transition);
       padding: 4px;
   }
   
   .project-icon-link:hover {
       color: var(--accent);
       transform: translateY(-2px);
   }
   
   .project-title {
       color: var(--text-primary);
       font-size: 1.15rem;
       font-weight: 600;
       margin-bottom: 0.75rem;
       transition: var(--transition);
   }
   
   .project-card:hover .project-title {
       color: var(--accent);
   }
   
   .project-description {
       color: var(--text-secondary);
       font-size: 0.88rem;
       line-height: 1.7;
       margin-bottom: 1.5rem;
       flex: 1;
   }
   
   .project-tech {
       display: flex;
       flex-wrap: wrap;
       gap: 0.5rem;
       margin-top: auto;
   }
   
   .project-tech span {
       font-family: var(--font-mono);
       font-size: 0.7rem;
       color: var(--text-secondary);
       white-space: nowrap;
   }
   
   /* ==========================================
      CONTACT SECTION
      ========================================== */
   .contact-section {
       text-align: center;
       max-width: 600px;
       padding: 4rem 0;
   }
   
   .contact-title {
       font-size: clamp(2rem, 5vw, 3.5rem);
       font-weight: 700;
       color: var(--text-primary);
       margin: 1rem 0 1.5rem;
   }
   
   .contact-description {
       color: var(--text-secondary);
       font-size: 1rem;
       line-height: 1.8;
       margin-bottom: 3rem;
   }
   
   .social-links {
       display: flex;
       justify-content: center;
       gap: 1.5rem;
       margin-top: 2.5rem;
   }
   
   .social-links a {
       color: var(--text-secondary);
       transition: var(--transition);
       display: flex;
       align-items: center;
       justify-content: center;
       width: 44px;
       height: 44px;
       border-radius: 50%;
       border: 1px solid var(--bg-tertiary);
   }
   
   .social-links a:hover {
       color: var(--accent);
       border-color: var(--accent);
       transform: translateY(-4px);
       box-shadow: 0 4px 20px rgba(100, 255, 218, 0.15);
   }
   
   /* ==========================================
      FOOTER
      ========================================== */
   footer {
       padding: 2rem;
       text-align: center;
       border-top: 1px solid var(--bg-tertiary);
   }
   
   .footer-content p {
       font-size: 0.75rem;
       color: var(--text-secondary);
   }
   
   .footer-sub {
       margin-top: 0.25rem;
       font-size: 0.7rem;
       color: var(--bg-tertiary);
   }
   
   /* ==========================================
      SIDE SOCIAL ELEMENTS
      ========================================== */
   .side-social {
       position: fixed;
       bottom: 0;
       display: flex;
       flex-direction: column;
       align-items: center;
       gap: 1.25rem;
       z-index: 10;
   }
   
   .side-social.left {
       left: 2.5rem;
   }
   
   .side-social.right {
       right: 2.5rem;
   }
   
   .side-social a {
       color: var(--text-secondary);
       transition: var(--transition);
       padding: 0.5rem;
   }
   
   .side-social a:hover {
       color: var(--accent);
       transform: translateY(-3px);
   }
   
   .side-email {
       writing-mode: vertical-rl;
       font-size: 0.75rem;
       letter-spacing: 1.5px;
       text-decoration: none;
   }
   
   .side-line {
       width: 1px;
       height: 90px;
       background: var(--text-secondary);
   }
   
   /* ==========================================
      CHATBOT WIDGET
      ========================================== */
   .chatbot-button {
       position: fixed;
       bottom: 30px;
       right: 30px;
       width: 56px;
       height: 56px;
       border-radius: 50%;
       background: var(--bg-secondary);
       color: var(--accent);
       border: 1.5px solid var(--accent);
       cursor: pointer;
       box-shadow: 0 4px 20px var(--navy-shadow);
       display: flex;
       align-items: center;
       justify-content: center;
       z-index: 1001;
       transition: var(--transition);
   }
   
   .chatbot-button:hover {
       background: var(--accent-tint);
       transform: scale(1.08);
       box-shadow: 0 0 30px rgba(100, 255, 218, 0.2);
   }
   
   .chatbot-popup {
       position: fixed;
       bottom: 100px;
       right: 30px;
       width: 400px;
       height: 600px;
       background: var(--bg-secondary);
       border: 1px solid var(--bg-tertiary);
       border-radius: 12px;
       box-shadow: 0 20px 60px var(--navy-shadow);
       display: none;
       flex-direction: column;
       overflow: hidden;
       z-index: 1000;
       animation: chatSlideUp 0.3s var(--easing);
   }
   
   .chatbot-popup.active {
       display: flex;
   }
   
   @keyframes chatSlideUp {
       from { opacity: 0; transform: translateY(20px) scale(0.95); }
       to { opacity: 1; transform: translateY(0) scale(1); }
   }
   
   .chatbot-header {
       background: var(--bg-tertiary);
       color: var(--accent);
       padding: 1rem 1.5rem;
       display: flex;
       justify-content: space-between;
       align-items: center;
   }
   
   .chatbot-header h3 {
       margin: 0;
       font-size: 0.95rem;
       font-weight: 600;
       font-family: var(--font-mono);
   }
   
   .close-chatbot {
       background: transparent;
       border: none;
       color: var(--text-secondary);
       font-size: 1.5rem;
       cursor: pointer;
       padding: 0;
       width: 30px;
       height: 30px;
       display: flex;
       align-items: center;
       justify-content: center;
       transition: var(--transition);
       border-radius: 4px;
   }
   
   .close-chatbot:hover {
       color: var(--accent);
       background: var(--accent-tint);
   }
   
   .chatbot-content {
       flex: 1;
       overflow: hidden;
       background: var(--bg-primary);
       position: relative;
   }
   
   .chatbot-content iframe {
       border: none;
       width: 100%;
       height: 100%;
   }
   
   .chatbot-error {
       position: absolute;
       inset: 0;
       background: var(--bg-primary);
       display: none;
       flex-direction: column;
       align-items: center;
       justify-content: center;
       padding: 2rem;
       text-align: center;
   }
   
   .chatbot-error.show {
       display: flex;
   }
   
   .error-icon {
       font-size: 3rem;
       margin-bottom: 1rem;
   }
   
   .chatbot-error h3 {
       color: var(--text-primary);
       margin-bottom: 0.5rem;
       font-size: 1.1rem;
   }
   
   .chatbot-error p {
       color: var(--text-secondary);
       font-size: 0.85rem;
       margin: 0.25rem 0;
       line-height: 1.6;
   }
   
   .error-detail {
       color: var(--accent);
       font-style: italic;
   }
   
   /* ==========================================
      RESPONSIVE DESIGN
      ========================================== */
   @media (max-width: 1080px) {
       .side-social {
           display: none;
       }
   }
   
   @media (max-width: 768px) {
       .nav-links {
           display: none;
           position: fixed;
           top: 0;
           right: 0;
           width: min(75vw, 320px);
           height: 100vh;
           background: var(--bg-secondary);
           flex-direction: column;
           padding: 6rem 2rem 2rem;
           box-shadow: -10px 0 30px var(--navy-shadow);
           gap: 0;
       }
   
       .nav-links.active {
           display: flex;
       }
   
       .nav-links a {
           font-size: 1rem;
           padding: 1rem 0.75rem;
       }
   
       .menu-toggle {
           display: flex;
       }
   
       .hero {
           padding: 0 1.5rem;
       }
   
       .hero-name {
           font-size: clamp(2rem, 8vw, 3.5rem);
       }
   
       .hero-tagline {
           font-size: clamp(1.5rem, 6vw, 2.5rem);
       }
   
       .section {
           padding: 4rem 1.5rem;
       }
   
       .about-content {
           grid-template-columns: 1fr;
           gap: 2.5rem;
       }
   
       .about-image {
           order: -1;
       }
   
       .image-wrapper {
           width: 220px;
           height: 220px;
       }
   
       .about-info {
           grid-template-columns: 1fr;
       }
   
       .skills-grid {
           grid-template-columns: 1fr;
       }
   
       .projects-grid {
           grid-template-columns: 1fr;
       }
   
       .timeline {
           padding-left: 1.5rem;
       }
   
       .timeline-item {
           padding-left: 1.5rem;
       }
   
       .scroll-indicator {
           display: none;
       }
   
       .chatbot-popup {
           width: 90vw;
           height: 70vh;
           right: 5vw;
           bottom: 90px;
       }
   
       .chatbot-button {
           bottom: 20px;
           right: 20px;
           width: 50px;
           height: 50px;
       }
   }
   
   @media (max-width: 480px) {
       .nav-container {
           padding: 1rem 1.25rem;
       }
   
       .hero-buttons {
           flex-direction: column;
           align-items: flex-start;
       }
   
       .section-title {
           font-size: 1.3rem;
       }
   
       .section-title::after {
           max-width: 100px;
       }
   
       .timeline-content {
           padding: 1.25rem;
       }
   
       .skill-category {
           padding: 1.5rem;
       }
   
       .project-card {
           padding: 1.5rem;
       }
   }
   