/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00D4FF;
    --secondary-color: #0A0E27;
    --accent-color: #0099FF;
    --dark-color: #0A0E27;
    --darker-color: #050818;
    --light-color: #ffffff;
    --gray-color: #8892b0;
    --light-gray: #e8f0fe;
    --card-bg: #112240;
    --tech-gradient: linear-gradient(135deg, #00D4FF, #0099FF);
    --network-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
    --glow: 0 0 20px rgba(0, 212, 255, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--light-color);
    background: var(--dark-color);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 212, 255, 0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

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

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light-color);
    text-decoration: none;
    font-family: 'Courier New', monospace;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-size: 0.9rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--tech-gradient);
    transition: var(--transition);
}

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

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

.nav-cta {
    display: flex;
}

.btn-nav {
    padding: 8px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--light-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0A0E27 0%, #1a1f3a 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text .hero-subtitle {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--light-color);
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.hero-text .tagline {
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--tech-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.hero-text .hero-description {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 2rem;
    max-width: 600px;
    line-height: 1.8;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: rgba(17, 34, 64, 0.5);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.hero-stats .stat-item {
    text-align: center;
}

.hero-stats .stat-item h3 {
    font-size: 2.5rem;
    background: var(--tech-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.hero-stats .stat-item p {
    color: var(--gray-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid rgba(0, 212, 255, 0.3);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-5px);
    background: var(--primary-color);
    color: var(--dark-color);
    box-shadow: var(--glow);
    border-color: var(--primary-color);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--tech-gradient);
    color: var(--light-color);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow);
}

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

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

/* Network Animation */
.hero-image {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.network-animation {
    position: absolute;
    width: 100%;
    height: 100%;
}

.node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: var(--glow);
    animation: pulse 2s ease-in-out infinite;
}

.node-1 { top: 20%; left: 30%; animation-delay: 0s; }
.node-2 { top: 40%; left: 70%; animation-delay: 0.5s; }
.node-3 { top: 70%; left: 40%; animation-delay: 1s; }
.node-4 { top: 30%; left: 60%; animation-delay: 1.5s; }
.node-5 { top: 60%; left: 25%; animation-delay: 0.3s; }

.connection-line {
    position: absolute;
    height: 2px;
    background: var(--tech-gradient);
    opacity: 0.3;
    transform-origin: left center;
    animation: connectionPulse 3s ease-in-out infinite;
}

.line-1 {
    top: 25%;
    left: 32%;
    width: 120px;
    transform: rotate(25deg);
}

.line-2 {
    top: 35%;
    left: 45%;
    width: 150px;
    transform: rotate(-15deg);
}

.line-3 {
    top: 55%;
    left: 35%;
    width: 100px;
    transform: rotate(45deg);
}

.line-4 {
    top: 45%;
    left: 55%;
    width: 130px;
    transform: rotate(30deg);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

@keyframes connectionPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.profile-container {
    position: relative;
    z-index: 2;
}

.profile-photo {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow), var(--glow);
    animation: float 3s ease-in-out infinite;
    border: 4px solid var(--primary-color);
}

.profile-placeholder {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--tech-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--light-color);
    box-shadow: var(--shadow), var(--glow);
    animation: float 3s ease-in-out infinite;
    position: relative;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator a {
    color: var(--primary-color);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Section Styling */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--light-color);
    margin-bottom: 1rem;
}

.line {
    width: 100px;
    height: 4px;
    background: var(--tech-gradient);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: var(--glow);
}

/* About Section */
.about {
    background: var(--dark-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.about-text h3 {
    font-size: 2rem;
    color: var(--light-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--gray-color);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.expertise-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.expertise-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(17, 34, 64, 0.5);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition);
}

.expertise-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.expertise-item i {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: var(--tech-gradient);
    color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(17, 34, 64, 0.5);
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.info-item i {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    background: var(--tech-gradient);
    color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.info-item span {
    color: var(--gray-color);
}

/* Experience Section */
.experience {
    background: var(--darker-color);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--tech-gradient);
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: auto;
    text-align: left;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
    text-align: left;
}

.timeline-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--tech-gradient);
    color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    box-shadow: var(--glow);
}

.timeline-content {
    width: calc(50% - 80px);
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: calc(50% + 80px);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 80px);
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.current-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--tech-gradient);
    color: var(--light-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--glow);
}

.timeline-content .date {
    display: inline-block;
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: var(--light-color);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content > p {
    color: var(--gray-color);
    margin-bottom: 1rem;
}

.responsibilities {
    list-style: none;
    margin: 1rem 0;
}

.responsibilities li {
    color: var(--gray-color);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.responsibilities li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-tags .tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* Skills Section */
.skills {
    background: var(--dark-color);
}

.skills-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.skill-category {
    margin-bottom: 2rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.category-header h3 {
    font-size: 1.8rem;
    color: var(--light-color);
}

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

.skill-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.skill-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-item h4 {
    font-size: 1.1rem;
    color: var(--light-color);
    margin-bottom: 0.5rem;
}

.skill-level {
    color: var(--gray-color);
    font-size: 0.9rem;
    padding: 5px 15px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    display: inline-block;
}

.vendor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.vendor-item {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition);
}

.vendor-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.vendor-logo {
    max-width: 80px;
    max-height: 50px;
    margin: 0 auto 0.5rem;
    object-fit: contain;
    display: block;
    background: #ffffff;
    padding: 8px;
    border-radius: 8px;
}

.vendor-name {
    color: var(--light-color);
    font-weight: 600;
    font-size: 1.1rem;
}

/* Certifications Section */
.certifications {
    background: var(--darker-color);
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--tech-gradient);
    opacity: 0;
    transition: var(--transition);
}

.cert-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.cert-card:hover::before {
    opacity: 1;
}

.cert-card.mikrotik { border-color: rgba(255, 153, 0, 0.3); }
.cert-card.ruijie { border-color: rgba(0, 102, 204, 0.3); }
.cert-card.fortinet { border-color: rgba(0, 153, 102, 0.3); }
.cert-card.xfusion { border-color: rgba(204, 0, 102, 0.3); }
.cert-card.ubnt { border-color: rgba(0, 153, 255, 0.3); }
.cert-card.security { border-color: rgba(255, 0, 102, 0.3); }

.cert-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.cert-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: var(--tech-gradient);
    color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.cert-logo {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 10px;
    padding: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.vendor-cert-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.cert-provider {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
}

.cert-card h3 {
    font-size: 1.1rem;
    color: var(--light-color);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.cert-number {
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
}

.cert-level {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background: var(--darker-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    color: var(--light-color);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--gray-color);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: rgba(17, 34, 64, 0.5);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: var(--tech-gradient);
    color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-text h4 {
    color: var(--light-color);
    margin-bottom: 0.3rem;
}

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

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

.contact-form {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.contact-form h3 {
    color: var(--light-color);
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    background: rgba(10, 14, 39, 0.5);
    color: var(--light-color);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-color);
}

/* Footer */
.footer {
    background: var(--darker-color);
    color: var(--gray-color);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

.footer p {
    margin: 0.5rem 0;
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-links span {
    color: var(--gray-color);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-image {
        height: 400px;
    }

    .profile-photo {
        width: 250px;
        height: 250px;
    }

    .profile-placeholder {
        width: 250px;
        height: 250px;
        font-size: 5rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-icon {
        left: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }

    .timeline-item {
        padding-left: 80px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

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

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--dark-color);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        transition: var(--transition);
    }

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

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}

@media (max-width: 600px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text .tagline {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .profile-photo {
        width: 200px;
        height: 200px;
    }

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

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

    .expertise-areas {
        grid-template-columns: 1fr;
    }

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