:root {
    --bg-color: #050505;
    --text-main: #e0e0e0;
    --text-muted: #888888;
    --neon-green: #00ff41;
    --neon-green-glow: rgba(0, 255, 65, 0.4);
    --dark-border: #1a1a1a;
    --card-bg: rgba(10, 10, 10, 0.7);
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Matrix Background Effect */
#matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, rgba(5, 5, 5, 0.6) 0%, rgba(5, 5, 5, 0.95) 100%);
    z-index: -1;
}

/* Typography & Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, .font-mono {
    font-family: var(--font-mono);
}

.highlight {
    color: var(--neon-green);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 4px;
    font-family: var(--font-mono);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background-color: transparent;
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green-glow);
}

.btn-primary:hover {
    background-color: var(--neon-green-glow);
    box-shadow: 0 0 20px var(--neon-green);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--text-muted);
}

.btn-outline:hover {
    border-color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 32px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--dark-border);
    padding-bottom: 10px;
    display: inline-block;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    transition: all 0.3s ease;
}

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

.logo {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 14px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--neon-green);
    text-shadow: 0 0 8px var(--neon-green-glow);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    width: 100%;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image .image-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    border: 2px solid var(--neon-green);
    padding: 10px;
    box-shadow: 0 0 20px var(--neon-green-glow);
    overflow: hidden;
    transition: all 0.3s ease;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    filter: grayscale(100%) contrast(1.2);
    transition: filter 0.3s ease;
}

.hero-image .image-wrapper:hover {
    box-shadow: 0 0 40px var(--neon-green);
    transform: scale(1.02);
}

.hero-image .image-wrapper:hover img {
    filter: grayscale(0%) contrast(1);
}

.sys-msg {
    color: var(--neon-green);
    font-family: var(--font-mono);
    margin-bottom: 20px;
    font-size: 14px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.glitch {
    font-size: 4rem;
    font-weight: 700;
    position: relative;
    color: white;
    margin-bottom: 15px;
}

.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 red;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 blue;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(41px, 9999px, 83px, 0); }
    5% { clip: rect(69px, 9999px, 14px, 0); }
    10% { clip: rect(72px, 9999px, 7px, 0); }
    15% { clip: rect(61px, 9999px, 91px, 0); }
    20% { clip: rect(63px, 9999px, 12px, 0); }
    25% { clip: rect(41px, 9999px, 35px, 0); }
    30% { clip: rect(25px, 9999px, 20px, 0); }
    35% { clip: rect(57px, 9999px, 88px, 0); }
    40% { clip: rect(5px, 9999px, 28px, 0); }
    45% { clip: rect(78px, 9999px, 46px, 0); }
    50% { clip: rect(65px, 9999px, 43px, 0); }
    55% { clip: rect(33px, 9999px, 28px, 0); }
    60% { clip: rect(51px, 9999px, 72px, 0); }
    65% { clip: rect(61px, 9999px, 4px, 0); }
    70% { clip: rect(52px, 9999px, 10px, 0); }
    75% { clip: rect(100px, 9999px, 16px, 0); }
    80% { clip: rect(8px, 9999px, 52px, 0); }
    85% { clip: rect(10px, 9999px, 92px, 0); }
    90% { clip: rect(6px, 9999px, 11px, 0); }
    95% { clip: rect(48px, 9999px, 2px, 0); }
    100% { clip: rect(59px, 9999px, 49px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 100px, 0); }
    5% { clip: rect(52px, 9999px, 74px, 0); }
    10% { clip: rect(79px, 9999px, 85px, 0); }
    15% { clip: rect(75px, 9999px, 5px, 0); }
    20% { clip: rect(67px, 9999px, 61px, 0); }
    25% { clip: rect(14px, 9999px, 79px, 0); }
    30% { clip: rect(1px, 9999px, 66px, 0); }
    35% { clip: rect(86px, 9999px, 30px, 0); }
    40% { clip: rect(23px, 9999px, 98px, 0); }
    45% { clip: rect(85px, 9999px, 72px, 0); }
    50% { clip: rect(71px, 9999px, 75px, 0); }
    55% { clip: rect(2px, 9999px, 48px, 0); }
    60% { clip: rect(30px, 9999px, 16px, 0); }
    65% { clip: rect(59px, 9999px, 50px, 0); }
    70% { clip: rect(41px, 9999px, 62px, 0); }
    75% { clip: rect(2px, 9999px, 82px, 0); }
    80% { clip: rect(47px, 9999px, 73px, 0); }
    85% { clip: rect(3px, 9999px, 27px, 0); }
    90% { clip: rect(26px, 9999px, 55px, 0); }
    95% { clip: rect(42px, 9999px, 97px, 0); }
    100% { clip: rect(38px, 9999px, 49px, 0); }
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 20px;
    font-weight: 500;
}

.description {
    max-width: 600px;
    margin-bottom: 40px;
    color: var(--text-main);
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 16px;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--card-bg);
    border: 1px solid var(--dark-border);
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(5px);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-green);
    box-shadow: 0 10px 30px -15px var(--neon-green-glow);
}

.skill-icon {
    font-size: 32px;
    color: var(--neon-green);
    margin-bottom: 20px;
}

.skill-card h3 {
    margin-bottom: 15px;
    font-size: 18px;
}

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

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

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-green);
    box-shadow: 0 5px 20px rgba(0, 255, 65, 0.2);
}

.project-content {
    padding: 30px;
}

.project-category {
    font-family: var(--font-mono);
    color: var(--neon-green);
    font-size: 12px;
    margin-bottom: 10px;
}

.project-title {
    font-size: 22px;
    color: var(--text-main);
    margin-bottom: 15px;
}

.project-desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 25px;
}

.project-tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    list-style: none;
}

.project-tech-list li {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

/* CV Section */
.cv-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.cv-pdf-wrapper {
    width: 100%;
    max-width: 1000px;
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.cv-pdf-wrapper:hover {
    border-color: var(--neon-green);
    box-shadow: 0 5px 20px var(--neon-green-glow);
    transform: translateY(-5px);
}

.cv-actions {
    display: flex;
    justify-content: center;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    color: var(--neon-green);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--dark-border);
    color: var(--text-main);
    padding: 15px;
    border-radius: 4px;
    font-family: var(--font-sans);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green-glow);
}

.submit-btn {
    width: 100%;
    justify-content: center;
    background: rgba(0, 255, 65, 0.1);
}

.social-links {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.social-links p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-family: var(--font-mono);
    font-size: 14px;
}

.social-icons {
    display: flex;
    gap: 20px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--card-bg);
    color: var(--text-main);
    text-decoration: none;
    font-size: 18px;
    border: 1px solid var(--dark-border);
    transition: all 0.3s ease;
}

.social-icons a:hover {
    color: var(--bg-color);
    background: var(--neon-green);
    border-color: var(--neon-green);
    box-shadow: 0 0 15px var(--neon-green-glow);
    transform: translateY(-3px);
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 0;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-muted);
    border-top: 1px solid var(--dark-border);
    margin-top: 50px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 40px;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-image .image-wrapper {
        width: 250px;
        height: 250px;
    }

    .glitch {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 60px 0;
    }
}