/* ========== CSS RESET & BASE ========== */
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --bg-dark: #0a0a0a;
            --bg-card: #141414;
            --bg-muted: #1a1a1a;
            --primary: #dc2626;
            --primary-light: #ef4444;
            --primary-dark: #991b1b;
            --text-white: #f5f5f5;
            --text-gray: #a3a3a3;
            --text-muted: #666666;
            --border-color: #333333;
            --gradient-primary: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
            --shadow-glow: 0 0 30px rgba(220, 38, 38, 0.4);
            --shadow-glow-strong: 0 0 60px rgba(220, 38, 38, 0.6);
            --font-display: 'Orbitron', sans-serif;
            --font-body: 'Rajdhani', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: linear-gradient(180deg, #0a0a0a 0%, #050505 100%);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        img {
            max-width: 100%;
            display: block;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: 100px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-subtitle {
            font-family: var(--font-display);
            font-size: 14px;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.3em;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(28px, 5vw, 48px);
            font-weight: 700;
            margin-bottom: 15px;
        }

        .text-gradient {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .line-accent {
            width: 60px;
            height: 4px;
            background: var(--gradient-primary);
            border-radius: 2px;
            margin: 0 auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-family: var(--font-body);
            font-size: 16px;
            font-weight: 600;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-glow-strong);
        }

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

        .btn-outline:hover {
            background: rgba(220, 38, 38, 0.1);
        }

        .card {
            background: rgba(20, 20, 20, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(51, 51, 51, 0.5);
            border-radius: 12px;
            transition: all 0.3s ease;
        }

        .card:hover {
            border-color: rgba(220, 38, 38, 0.5);
        }

        /* ========== SCROLLBAR ========== */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #141414;
        }

        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }

        /* ========== NAVBAR ========== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 15px 0;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
        }

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

        .logo {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            text-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--text-gray);
            position: relative;
        }

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

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

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

        .resume-btn {
            padding: 10px 20px;
            font-size: 14px;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 24px;
            cursor: pointer;
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: rgba(20, 20, 20, 0.98);
            backdrop-filter: blur(10px);
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
        }

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

        .mobile-nav a {
            display: block;
            padding: 15px 0;
            color: var(--text-gray);
            font-weight: 500;
            border-bottom: 1px solid var(--border-color);
        }

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

        /* ========== HERO SECTION ========== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: 80px;
        }

        .hero-bg-accent {
            position: absolute;
            width: 80px;
            height: 80px;
            border: 1px solid rgba(220, 38, 38, 0.2);
            transform: rotate(45deg);
        }

        .hero-bg-accent.top-left {
            top: 100px;
            left: 50px;
        }

        .hero-bg-accent.bottom-right {
            bottom: 150px;
            right: 100px;
        }

        .hero-glow {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
        }

        .hero-glow.glow-1 {
            width: 400px;
            height: 400px;
            background: rgba(220, 38, 38, 0.05);
            top: 20%;
            right: 20%;
        }

        .hero-glow.glow-2 {
            width: 300px;
            height: 300px;
            background: rgba(220, 38, 38, 0.1);
            bottom: 20%;
            left: 20%;
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            animation: slideUp 0.8s ease forwards;
        }

        .hero-welcome {
            font-family: var(--font-display);
            font-size: 14px;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.3em;
            margin-bottom: 15px;
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(36px, 6vw, 72px);
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 20px;
        }

        .hero-name {
            display: block;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(220, 38, 38, 0.3);
        }

        .hero-description {
            font-size: 18px;
            color: var(--text-gray);
            margin-bottom: 30px;
            max-width: 500px;
        }

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

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

        .social-link {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            color: var(--text-white);
            transition: all 0.3s ease;
        }

        .social-link:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .hero-image-wrapper {
            display: flex;
            justify-content: center;
            animation: scaleIn 0.6s ease forwards;
        }

        .hero-image-container {
            position: relative;
        }

        .hero-image {
            width: 350px;
            height: 350px;
            border-radius: 50%;
            object-fit: cover;
            border: 4px solid var(--primary);
            box-shadow: var(--shadow-glow);
            animation: pulseGlow 2s ease-in-out infinite;
        }

        .hero-image-ring {
            position: absolute;
            border: 2px solid rgba(220, 38, 38, 0.3);
            border-radius: 50%;
        }

        .hero-image-ring.ring-1 {
            width: 100px;
            height: 100px;
            bottom: -20px;
            right: -20px;
        }

        .hero-image-ring.ring-2 {
            width: 70px;
            height: 70px;
            top: -20px;
            left: -20px;
        }

        .scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            animation: bounce 2s infinite;
        }

        .scroll-indicator a {
            color: var(--text-gray);
        }

        .scroll-indicator a:hover {
            color: var(--primary);
        }

        /* ========== ABOUT SECTION ========== */
        .about .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text p {
            font-size: 18px;
            color: var(--text-gray);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .about-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 30px;
        }

        .stat-item {
            padding: 10px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 6px;
        }

        .stat-value {
            color: var(--primary);
            font-weight: 700;
        }

        .stat-label {
            color: var(--text-gray);
            margin-left: 8px;
        }

        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .highlight-card {
            padding: 25px;
        }

        .highlight-icon {
            width: 50px;
            height: 50px;
            background: rgba(220, 38, 38, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            color: var(--primary);
            font-size: 24px;
        }

        .highlight-card h3 {
            font-family: var(--font-display);
            font-size: 18px;
            margin-bottom: 10px;
        }

        .highlight-card p {
            font-size: 14px;
            color: var(--text-gray);
        }

        /* ========== SKILLS SECTION ========== */
        .skills {
            background: rgba(20, 20, 20, 0.3);
        }

        .skills .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
        }

        .skills-category h3 {
            font-family: var(--font-display);
            font-size: 20px;
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .skills-category h3::before {
            content: '';
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .skill-item {
            margin-bottom: 25px;
        }

        .skill-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }

        .skill-name {
            font-weight: 500;
        }

        .skill-percent {
            color: var(--primary);
            font-weight: 600;
        }

        .skill-bar {
            height: 8px;
            background: var(--bg-muted);
            border-radius: 4px;
            overflow: hidden;
        }

        .skill-fill {
            height: 100%;
            background: var(--gradient-primary);
            border-radius: 4px;
            transition: width 1s ease;
        }

        .tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }

        .tag {
            padding: 10px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            cursor: default;
        }

        .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .tag-primary {
            background: rgba(220, 38, 38, 0.1);
            border-color: rgba(220, 38, 38, 0.3);
            color: var(--primary);
        }

        .languages-card {
            padding: 25px;
            margin-top: 20px;
        }

        .languages-card h3 {
            font-family: var(--font-display);
            font-size: 20px;
            margin-bottom: 20px;
        }

        .languages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            text-align: center;
        }

        .language-item span {
            display: block;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }

        .language-item small {
            font-size: 12px;
            color: var(--text-gray);
        }

        /* ========== EDUCATION SECTION ========== */
        .education-timeline {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

        .education-timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 60px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
        }

        .timeline-item:nth-child(odd) .timeline-content {
            grid-column: 1;
            text-align: right;
        }

        .timeline-item:nth-child(even) .timeline-content {
            grid-column: 2;
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            top: 0;
            width: 16px;
            height: 16px;
            background: var(--primary);
            border-radius: 50%;
            transform: translateX(-50%);
        }

        .timeline-dot.current {
            animation: pulseGlow 2s ease-in-out infinite;
        }

        .timeline-content {
            padding: 25px;
        }

        .timeline-badge {
            display: inline-block;
            padding: 5px 12px;
            background: rgba(220, 38, 38, 0.2);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .timeline-content h3 {
            font-family: var(--font-display);
            font-size: 18px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .timeline-content .institution {
            color: var(--text-gray);
            margin-bottom: 15px;
        }

        .timeline-meta {
            display: flex;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .timeline-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .timeline-score {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        /* ========== PROJECTS SECTION ========== */
        .projects {
            background: rgba(20, 20, 20, 0.3);
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .project-card {
            overflow: hidden;
        }

        .project-header {
            padding: 25px;
            border-bottom: 1px solid var(--border-color);
        }

        .project-header-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 15px;
        }

        .project-icon {
            width: 50px;
            height: 50px;
            background: rgba(220, 38, 38, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 24px;
        }

        .project-date {
            font-size: 14px;
            color: var(--text-muted);
        }

        .project-header h3 {
            font-family: var(--font-display);
            font-size: 20px;
            margin-bottom: 10px;
            transition: color 0.3s ease;
        }

        .project-card:hover .project-header h3 {
            color: var(--primary);
        }

        .project-header p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        .project-body {
            padding: 25px;
        }

        .project-features h4 {
            font-size: 14px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .project-features ul {
            margin-bottom: 20px;
        }

        .project-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-gray);
            margin-bottom: 10px;
        }

        .project-features li::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
            margin-top: 8px;
            flex-shrink: 0;
        }

        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .project-tech span {
            padding: 5px 12px;
            background: var(--bg-muted);
            font-size: 12px;
            border-radius: 20px;
        }

        .project-actions {
            display: flex;
            gap: 15px;
            padding: 0 25px 25px;
        }

        .project-actions .btn {
            flex: 1;
            padding: 12px;
            font-size: 14px;
        }

        .certificates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

@media (max-width: 1024px) {
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .certificates-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== CERTIFICATE CARD ===== */
.certificate-card {
    position: relative;
    height: 230px;
    border-radius: 14px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    text-decoration: none;
    color: #fff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.certificate-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

/* ===== OVERLAY ===== */
.certificate-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.6),
        rgba(0, 0, 0, 0.9)
    );
}

/* ===== TOP TEXT ===== */
.certificate-top {
    position: absolute;
    top: 15px;
    left: 18px;
    font-size: 14px;
    font-weight: 500;
    opacity: 0.9;
    z-index: 2;
}

/* ===== BOTTOM TEXT ===== */
.certificate-bottom {
    position: absolute;
    bottom: 18px;
    left: 18px;
    right: 18px;
    z-index: 2;
}

.certificate-bottom h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.2;
}

.certificate-bottom p {
    font-size: 14px;
    opacity: 0.85;
    line-height: 1.4;
}

        /* ========== CONTACT SECTION ========== */
        .contact {
            background: rgba(20, 20, 20, 0.3);
        }

        .contact .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            max-width: 1000px;
        }

        .contact-info h3 {
            font-family: var(--font-display);
            font-size: 28px;
            margin-bottom: 20px;
        }

        .contact-info > p {
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            transition: color 0.3s ease;
        }

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

        .contact-icon {
            width: 50px;
            height: 50px;
            background: rgba(220, 38, 38, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: background 0.3s ease;
        }

        .contact-item:hover .contact-icon {
            background: rgba(220, 38, 38, 0.2);
        }

        .contact-item small {
            font-size: 13px;
            color: var(--text-muted);
            display: block;
        }

        .contact-social {
            margin-top: 40px;
        }

        .contact-social p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

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

        .contact-social-link {
            width: 50px;
            height: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .contact-social-link:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .contact-form {
            padding: 35px;
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 8px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 14px 18px;
            background: var(--bg-muted);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-white);
            font-family: var(--font-body);
            font-size: 16px;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
        }

        .form-group textarea {
            resize: none;
            height: 130px;
        }

        .contact-form .btn {
            width: 100%;
        }

        /* ========== FOOTER ========== */
        .footer {
            padding: 30px 0;
            border-top: 1px solid var(--border-color);
        }

        .footer .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-brand p {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            text-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
        }

        .footer-brand small {
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-copy {
            font-size: 14px;
            color: var(--text-gray);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .footer-copy svg {
            color: var(--primary);
        }

        .scroll-top {
            width: 45px;
            height: 45px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .scroll-top:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 25px;
            margin-top: 25px;
            border-top: 1px solid rgba(51, 51, 51, 0.5);
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== TOAST ========== */
        .toast {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--bg-card);
            border: 1px solid var(--primary);
            border-radius: 10px;
            padding: 15px 25px;
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 3000;
            transform: translateY(100px);
            opacity: 0;
            transition: all 0.3s ease;
        }

        .toast.show {
            transform: translateY(0);
            opacity: 1;
        }

        .toast svg {
            color: #22c55e;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateX(-50%) translateY(0);
            }
            40% {
                transform: translateX(-50%) translateY(-15px);
            }
            60% {
                transform: translateX(-50%) translateY(-7px);
            }
        }

        @keyframes pulseGlow {
            0%, 100% {
                box-shadow: 0 0 20px rgba(220, 38, 38, 0.3);
            }
            50% {
                box-shadow: 0 0 40px rgba(220, 38, 38, 0.6);
            }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .certificates-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 900px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero .container,
            .about .container,
            .skills .container,
            .contact .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-content {
                text-align: center;
            }

            .hero-description {
                margin: 0 auto 30px;
            }

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

            .hero-image {
                width: 280px;
                height: 280px;
            }

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

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

            .certificates-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline-item {
                grid-template-columns: 1fr;
                padding-left: 40px;
            }

            .education-timeline::before {
                left: 0;
            }

            .timeline-dot {
                left: 0;
            }

            .timeline-item:nth-child(odd) .timeline-content,
            .timeline-item:nth-child(even) .timeline-content {
                grid-column: 1;
                text-align: left;
            }

            .modal-body {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 600px) {
            .section {
                padding: 70px 0;
            }

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

            .about-stats {
                justify-content: center;
            }

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

            .languages-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .hero-image {
                width: 220px;
                height: 220px;
            }

            .contact-form {
                padding: 25px;
            }

            .modal-header {
                height: 200px;
                padding: 30px;
            }

            .modal-header h2 {
                font-size: 24px;
            }

            .modal-header .recipient {
                font-size: 28px;
            }

            .modal-body {
                padding: 25px;
            }

            .modal-footer {
                padding: 25px;
                flex-direction: column;
            }
        }