@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;70s0&display=swap');

:root {
    --primary-color: #00bcd4;
    --secondary-color: #888;
    --background-dark: #1e1e1e;
    --background-light: #2c2c2c;
    --text-color: #f0f0f0;
    --card-bg: #363636;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

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

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

h1, h2, h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    border-bottom: 3px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 5px;
    margin-bottom: 40px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: #4dd0e1;
}

ul {
    list-style: none;
}

.bg-light {
    background: var(--background-light);
}

.section {
    padding: 80px 0;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--background-dark);
    padding: 12px 25px;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    border: none;
    cursor: pointer;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(0, 188, 212, 0.4);
}

.btn:hover {
    background: #4dd0e1;
    box-shadow: 0 6px 15px rgba(0, 188, 212, 0.6);
    transform: translateY(-2px);
    text-decoration: none;
}

.btn.outline-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
}

.btn.outline-btn:hover {
    background: var(--primary-color);
    color: var(--background-dark);
    box-shadow: 0 6px 15px rgba(0, 188, 212, 0.4);
}

.btn.small-btn {
    padding: 10px 18px;
    font-size: 0.9rem;
}

.header {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--background-dark);
    padding-top: 20px;
}

.header::before { 
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(30, 30, 30, 0.9), rgba(30, 30, 30, 0.9)), url('https://source.unsplash.com/random/1600x900?code,developer,dark') no-repeat center center/cover;
    opacity: 0.8;
    z-index: 0;
}

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

.header .main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0px;
    margin-bottom: 100px;
}

.header .logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.header .nav-list {
    display: flex;
    gap: 30px;
}

.header .nav-list a {
    color: var(--text-color);
    font-weight: 400;
    text-transform: uppercase;
}

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

.header .hero-content h1 {
    font-size: 4rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.header .hero-content strong {
    color: var(--primary-color);
    font-weight: inherit;
}

.header .hero-content p {
    font-size: 1.3rem;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

.header .menu-toggle {
    display: none; 
}

.about-me {
    text-align: center;
}

.about-me .about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-me .profile-pic {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 30px;
    border: 5px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 188, 212, 0.5);
}

.about-me p {
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: justify;
    margin-bottom: 20px;
}

.about-me .sobre-formacao {
    text-align: left;
    background: var(--background-dark);
    padding: 25px;
    border-radius: var(--border-radius);
    margin: 30px 0;
    border-left: 5px solid var(--primary-color);
}

.about-me .sobre-formacao h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.about-me .sobre-formacao ul li {
    margin-bottom: 10px;
    font-size: 1rem;
    color: var(--secondary-color);
}

.about-me .sobre-formacao ul li i {
    color: var(--primary-color);
    margin-right: 10px;
}

.about-me .call-to-action {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-color);
    text-align: center;
    margin-top: 40px;
}

.projects {
    text-align: center;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.project-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: left;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
}

.project-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.project-card p {
    font-size: 0.95rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

.project-links {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.skills {
    text-align: center;
}

.skills .container {
    overflow: visible; 
}

.skills-grid {
    display: flex; 
    gap: 20px;
    margin-top: 40px;
    padding-bottom: 20px; 
    overflow-x: auto; 
    scroll-snap-type: x mandatory; 
    
    
    margin-left: -20px;
    padding-left: 20px;
}

.skill-item {
    min-width: 150px;
    flex-shrink: 0;
    scroll-snap-align: start; 
    
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px 10px;
    text-align: center;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--card-bg);
}

.skill-item:hover {
    transform: scale(1.05);
    background: var(--background-dark);
    border-color: var(--primary-color);
}

.skill-item i {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.skill-item span {
    display: block;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--text-color);
}

.skills-grid::-webkit-scrollbar {
    height: 8px;
}
.skills-grid::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}
.skills-grid::-webkit-scrollbar-track {
    background: var(--background-dark);
}

.contact {
    text-align: center;
}

.contact-form {
    max-width: 600px;
    margin: 40px auto;
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    text-align: left;
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #555;
    background: var(--background-dark);
    color: var(--text-color);
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color var(--transition-speed);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.4);
}

.contact-form textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    margin-top: 20px;
}

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

.social-links a {
    font-size: 3rem;
    color: var(--secondary-color);
    margin: 0 15px;
    transition: color var(--transition-speed);
}

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

.footer {
    background: var(--background-dark);
    color: var(--secondary-color);
    text-align: center;
    padding: 25px 0;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section.hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

.hero-content p {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out 0.5s, transform 0.8s ease-out 0.5s; 
}

@media (max-width: 992px) {
    .header .main-nav {
        margin-bottom: 80px;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .header .nav-list {
        display: none; 
        flex-direction: column;
        width: 100%;
        text-align: center;
        background: var(--background-dark);
        position: absolute;
        top: 80px; 
        left: 0;
        padding: 20px 0;
        box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    }
    
    .header .nav-list.active {
        display: flex;
    }

    .header .nav-list li {
        margin: 10px 0;
    }

    .header .menu-toggle {
        display: block; 
        font-size: 1.8rem;
    }

    .header .hero-content h1 {
        font-size: 3rem;
    }

    .header .hero-content p {
        font-size: 1.1rem;
    }

    h2 {
        font-size: 2rem;
    }

    .project-grid {
        grid-template-columns: 1fr; 
    }
    
    .project-card {
        text-align: center; 
    }
    
    .project-links {
        justify-content: center;
        width: 100%;
        margin: 0 auto;
    }
    
    .skill-item i {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .header .main-nav {
        flex-direction: row;
        justify-content: space-between;
    }

    .header .logo {
        margin-bottom: 0;
    }
}