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

:root {
    --dark-bg: #0a0a0f;
    --darker-bg: #050508;
    --card-bg: #121218;
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --neon-cyan: #00ffff;
    --neon-blue: #0066ff;
    --neon-purple: #cc00ff;
    --neon-pink: #ff00ff;
    --neon-orange: #ff6600;
    --github-white: #ffffff;
    --twitter-blue: #1da1f2;
    --instagram-gradient: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 15px 40px rgba(0, 255, 255, 0.2);
    --border-radius: 12px;
    --border-radius-lg: 16px;
}

body {
    font-family: 'Courier New', monospace;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--dark-bg);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 102, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(204, 0, 255, 0.05) 0%, transparent 20%);
    min-height: 100vh;
}

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

header {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    color: var(--neon-cyan);
    font-size: 1.6rem;
    font-weight: 700;
    text-shadow: 0 0 10px var(--neon-cyan);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-cyan);
    transition: var(--transition);
    box-shadow: 0 0 10px var(--neon-cyan);
}

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

.nav-menu a:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--neon-cyan);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
    box-shadow: 0 0 5px var(--neon-cyan);
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 255, 255, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(204, 0, 255, 0.1) 0%, transparent 30%);
    animation: pulse 4s ease-in-out infinite alternate;
}

.hero-content {
    text-align: center;
    color: var(--text-primary);
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    position: relative;
}
.glitch-text {
    position: relative;
    display: inline-block;
}

.glitch-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 
        2px 0 0 var(--neon-cyan),
        -2px 0 0 var(--neon-purple);
    animation: glitch 3s infinite;
    letter-spacing: 2px;
}

.hero-content h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease-out 0.4s both;
    margin-bottom: 2rem;
}

.neon-border {
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: 0 0 20px var(--neon-cyan);
    animation: borderPulse 2s ease-in-out infinite alternate;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    box-shadow: 0 0 10px var(--neon-cyan);
}

.section h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3.5rem;
    color: var(--neon-cyan);
    position: relative;
    font-weight: 800;
    text-shadow: 0 0 15px var(--neon-cyan);
    letter-spacing: 2px;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--neon-cyan);
    border-radius: 2px;
    box-shadow: 0 0 15px var(--neon-cyan);
}

.sobre-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.sobre-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    box-shadow: 0 0 10px var(--neon-cyan);
}

.sobre-content p {
    font-size: 1.15rem;
    margin-bottom: 1.8rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.habilidades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.habilidade-card, .projeto-card {
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.habilidade-card:hover, .projeto-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 255, 255, 0.3);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
    border: 2px solid var(--neon-cyan);
    position: relative;
}
.habilidade-card:hover .card-icon, .projeto-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 20px var(--neon-cyan);
    border-color: var(--neon-cyan);
}

.card-icon i {
    font-size: 2.5rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

.habilidade-card h3, .projeto-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--neon-cyan);
    font-weight: 700;
    text-shadow: 0 0 5px var(--neon-cyan);
}

.habilidade-card p, .projeto-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.projeto-card .descricao {
    color: var(--neon-purple);
    font-weight: 600;
    margin: 0.8rem 0;
    text-shadow: 0 0 5px var(--neon-purple);
}

.projeto-card .projeto-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-blue));
    color: var(--dark-bg);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.projeto-card .projeto-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.5);
}

.neon-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-purple), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
    box-shadow: 0 0 15px var(--neon-cyan);
}

.habilidade-card:hover .neon-glow,
.projeto-card:hover .neon-glow {
    transform: scaleX(1);
}

.especializacoes, .idiomas {
    margin: 3rem 0;
    text-align: center;
}

.especializacoes h3, .idiomas h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--neon-blue);
    font-weight: 700;
    text-shadow: 0 0 10px var(--neon-blue);
}

.especializacoes ul, .idiomas ul {
    list-style: none;
    display: inline-block;
    text-align: left;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.especializacoes li, .idiomas li {
    padding: 0.8rem 0;
    position: relative;
    padding-left: 2rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.especializacoes li::before, .idiomas li::before {
    content: '>';
    color: var(--neon-cyan);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
    text-shadow: 0 0 5px var(--neon-cyan);
}

.projetos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.contato-content {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.contato-social {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 500px;
}
.contato-social::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
    box-shadow: 0 0 15px var(--neon-purple);
}

.contato-social h3 {
    margin-bottom: 2.5rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--neon-purple);
    text-shadow: 0 0 10px var(--neon-purple);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    font-size: 1.6rem;
    transition: var(--transition);
    text-decoration: none;
    border: 2px solid;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.social-btn.email {
    background: rgba(0, 255, 255, 0.1);
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
}

.social-btn.github {
    background: #000000;
    color: var(--github-white);
    border-color: #ffffff;
}

.social-btn.twitter {
    background: rgba(29, 161, 242, 0.1);
    color: var(--twitter-blue);
    border-color: var(--twitter-blue);
}

.social-btn.instagram {
    background: var(--instagram-gradient);
    color: white;
    border: none;
    position: relative;
}

.social-btn.instagram::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--instagram-gradient);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.social-btn.instagram:hover::before {
    opacity: 1;
}

.social-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 0 25px currentColor;
    color: white;
    text-shadow: 0 0 10px white;
}

.social-btn.email:hover {
    background: rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 25px var(--neon-cyan);
}

.social-btn.github:hover {
    background: #ffffff;
    color: #000000;
    box-shadow: 0 0 25px #ffffff;
}

.social-btn.twitter:hover {
    background: rgba(29, 161, 242, 0.3);
    box-shadow: 0 0 25px var(--twitter-blue);
}

.social-btn.instagram:hover {
    box-shadow: 0 0 25px #bc1888;
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% { opacity: 0.3; }
    100% { opacity: 0.7; }
}

@keyframes borderPulse {
    0% { opacity: 0.3; box-shadow: 0 0 10px var(--neon-cyan); }
    100% { opacity: 1; box-shadow: 0 0 30px var(--neon-cyan); }
}

.section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .contato-content {
        flex-direction: column;
        gap: 2.5rem;
    }
    
    .habilidades-grid, .projetos-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .glitch-text h1 {
        font-size: 2.8rem;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
}
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.98);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1.2rem 0;
    }
    
    .hero {
        padding-top: 80px;
    }
    
    .glitch-text h1 {
        font-size: 2.3rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .section h2 {
        font-size: 2.2rem;
    }
    
    .sobre-content {
        padding: 2rem;
    }
    
    .social-links {
        gap: 1.2rem;
    }
    
    .social-btn {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 1rem;
    }
    
    .glitch-text h1 {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 1.3rem;
    }
    
    .section h2 {
        font-size: 1.9rem;
    }
    
    .habilidade-card, .projeto-card {
        padding: 2rem 1.5rem;
    }
    
    .card-icon {
        width: 70px;
        height: 70px;
    }
    
    .card-icon i {
        font-size: 2rem;
    }
    
    .contato-social {
        padding: 2rem;
    }
    
    .social-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

a:focus,
button:focus {
    outline: 2px solid var(--neon-cyan);
    outline-offset: 2px;
    box-shadow: 0 0 10px var(--neon-cyan);
}

html {
    scroll-behavior: smooth;
}