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

:root {
    /* Matrix Theme Colors */
    --matrix-green: #00ff41;
    --matrix-cyan: #00d4ff;
    --matrix-blue: #1fb6ff;
    --primary-color: #00ff41;
    --primary-dark: #00cc33;
    --primary-light: #33ff66;
    --secondary-color: #00d4ff;
    --accent-color: #1fb6ff;
    --success-color: #00ff41;
    --text-dark: #e5e5e5;
    --text-light: #a0a0a0;
    --bg-dark: #000000;
    --bg-light: #0a0a0a;
    --bg-white: #0f0f0f;
    --bg-card: #111111;
    --border-color: #1a1a1a;
    --gradient-1: linear-gradient(135deg, #00ff41 0%, #00d4ff 100%);
    --gradient-2: linear-gradient(135deg, #00ff41 0%, #1fb6ff 50%, #00d4ff 100%);
    --gradient-3: linear-gradient(135deg, #00cc33 0%, #00a8cc 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 255, 65, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 255, 65, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 255, 65, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 255, 65, 0.4);
    --glow: 0 0 20px rgba(0, 255, 65, 0.5);
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
    line-height: 1.6;
    color: var(--matrix-green);
    background: #000000;
    scroll-behavior: smooth;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            rgba(0, 255, 65, 0.02) 0px,
            transparent 1px,
            transparent 2px,
            rgba(0, 255, 65, 0.02) 3px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(0, 255, 65, 0.02) 0px,
            transparent 1px,
            transparent 2px,
            rgba(0, 255, 65, 0.02) 3px
        );
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
}

body > * {
    position: relative;
    z-index: 1;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.3);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--matrix-green);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--matrix-green);
    text-decoration: none;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
    font-family: 'JetBrains Mono', monospace;
}

.logo-img {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 0 10px rgba(0, 255, 65, 0.8));
    transition: transform 0.3s;
}

.logo-img:hover {
    transform: scale(1.1) rotate(5deg);
}

.nav-brand span {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--matrix-green);
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 0;
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-2);
    transition: width 0.3s;
}

.nav-menu a:hover {
    color: var(--matrix-cyan);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--matrix-green);
    transition: all 0.3s;
    border-radius: 2px;
    box-shadow: 0 0 5px rgba(0, 255, 65, 0.5);
}

/* Hero Section */
.hero {
    padding: 150px 0 120px;
    background: #000000;
    color: var(--matrix-green);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--matrix-green);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 98px,
            rgba(0, 255, 65, 0.03) 100px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 98px,
            rgba(0, 255, 65, 0.03) 100px
        );
    animation: pulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Matrix rain effect overlay */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto 60px;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.greeting {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.9;
}

.name {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--matrix-green);
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.8), 0 0 40px rgba(0, 255, 65, 0.4);
    font-family: 'JetBrains Mono', monospace;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 500;
    opacity: 0.95;
    color: var(--matrix-cyan);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    font-family: 'JetBrains Mono', monospace;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.95;
    color: var(--text-dark);
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--matrix-green);
    color: #000000;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
    border: 2px solid var(--matrix-green);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.8);
    background: var(--matrix-green);
    color: #000000;
}

.btn-secondary {
    background: transparent;
    color: var(--matrix-green);
    border-color: var(--matrix-green);
    backdrop-filter: blur(10px);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.btn-secondary:hover {
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--matrix-cyan);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
    color: var(--matrix-cyan);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    border: 2px solid var(--matrix-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3), inset 0 0 20px rgba(0, 255, 65, 0.1);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.2), transparent);
    transition: left 0.5s;
}

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

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.6), inset 0 0 30px rgba(0, 255, 65, 0.2);
    border-color: var(--matrix-cyan);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--matrix-green);
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.8), 0 0 40px rgba(0, 255, 65, 0.4);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -2px;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stat-trend {
    font-size: 0.75rem;
    opacity: 0.8;
    color: var(--matrix-cyan);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.5);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--matrix-green);
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.8), 0 0 40px rgba(0, 255, 65, 0.4);
    position: relative;
    padding-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--matrix-green);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.8);
}

/* About Section */
.about {
    background: var(--bg-dark);
    border-top: 1px solid var(--matrix-green);
    border-bottom: 1px solid var(--matrix-green);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.highlight-item {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
    text-align: center;
    transition: all 0.3s;
    border: 2px solid var(--matrix-green);
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.highlight-item:hover::before {
    transform: scaleX(1);
}

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

.highlight-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.highlight-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--matrix-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.highlight-item p {
    color: var(--matrix-cyan);
    font-size: 0.95rem;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

/* Timeline Section */
.timeline {
    background: var(--bg-dark);
    border-top: 1px solid var(--matrix-green);
    border-bottom: 1px solid var(--matrix-green);
}

.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 2rem;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-2);
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-year {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--matrix-green);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.6);
    font-family: 'JetBrains Mono', monospace;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--matrix-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.timeline-content h4 {
    font-size: 1.125rem;
    color: var(--matrix-cyan);
    margin-bottom: 1rem;
    font-weight: 500;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

.timeline-content p {
    color: var(--text-dark);
    line-height: 1.8;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

/* Skills Section */
.skills {
    background: var(--bg-dark);
    border-top: 1px solid var(--matrix-green);
    border-bottom: 1px solid var(--matrix-green);
}

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

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--matrix-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background: var(--bg-card);
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--matrix-green);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
    transition: all 0.3s;
    border: 1px solid var(--matrix-green);
    position: relative;
    overflow: hidden;
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    opacity: 0.1;
    transition: left 0.3s;
}

.skill-tag:hover::before {
    left: 0;
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.6), inset 0 0 10px rgba(0, 255, 65, 0.1);
    border-color: var(--matrix-cyan);
    color: var(--matrix-cyan);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

/* Projects Section */
.projects {
    background: var(--bg-dark);
    border-top: 1px solid var(--matrix-green);
    border-bottom: 1px solid var(--matrix-green);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
    transition: all 0.3s;
    border: 2px solid var(--matrix-green);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.project-card:hover::before {
    transform: scaleX(1);
}

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

.project-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--matrix-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.project-year {
    color: var(--matrix-cyan);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.5);
    font-family: 'JetBrains Mono', monospace;
}

.project-card p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tech span {
    background: var(--bg-dark);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--matrix-green);
    font-weight: 500;
    border: 1px solid var(--matrix-green);
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
    font-family: 'JetBrains Mono', monospace;
}

/* Certifications Section */
.certifications {
    background: var(--bg-dark);
    border-top: 1px solid var(--matrix-green);
    border-bottom: 1px solid var(--matrix-green);
}

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

.cert-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
    text-align: center;
    transition: all 0.3s;
    border: 2px solid var(--matrix-green);
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.cert-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--glow);
    border-color: var(--primary-light);
}

.cert-badge {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cert-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--matrix-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.cert-org {
    color: var(--matrix-cyan);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

.cert-year {
    color: var(--matrix-green);
    font-weight: 600;
    font-size: 0.9rem;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.5);
    font-family: 'JetBrains Mono', monospace;
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-dark);
    border-top: 1px solid var(--matrix-green);
    border-bottom: 1px solid var(--matrix-green);
}

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

.testimonial-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
    position: relative;
    border: 2px solid var(--matrix-green);
}

.testimonial-quote {
    font-size: 4rem;
    color: var(--matrix-green);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.testimonial-text {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-info h4 {
    font-size: 1.125rem;
    color: var(--matrix-green);
    margin-bottom: 0.25rem;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.author-info p {
    color: var(--matrix-cyan);
    font-size: 0.9rem;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

/* Contact Section */
.contact {
    background: var(--bg-dark);
    border-top: 1px solid var(--matrix-green);
    border-bottom: 1px solid var(--matrix-green);
}

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

.contact-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: start;
    gap: 1rem;
}

.contact-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.contact-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--matrix-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.contact-item p {
    color: var(--matrix-cyan);
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

.contact-item p a {
    color: var(--matrix-green);
    text-decoration: none;
    transition: all 0.3s;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.5);
}

.contact-item p a:hover {
    color: var(--matrix-cyan);
    text-decoration: underline;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

.contact-form-container {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
    border: 2px solid var(--matrix-green);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--matrix-green);
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.5);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--matrix-green);
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    background: var(--bg-dark);
    color: var(--matrix-green);
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--matrix-cyan);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5), inset 0 0 10px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--matrix-green);
    padding: 2rem 0;
    text-align: center;
    border-top: 2px solid var(--matrix-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.footer-note {
    margin-top: 0.5rem;
    opacity: 0.7;
    font-size: 0.9rem;
    color: var(--matrix-cyan);
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 0 30px rgba(0, 255, 65, 0.4);
        padding: 2rem 0;
        border-top: 2px solid var(--matrix-green);
    }

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

    .hamburger {
        display: flex;
    }

    .name {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .hero-stats {
        gap: 2rem;
    }

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

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

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

    .timeline-container {
        padding-left: 1.5rem;
    }

    .timeline-item {
        padding-left: 2rem;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }

    .name {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.125rem;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }
}
