/* Reset e Variáveis de Cores */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --card-bg: #1e293b;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header / Nav */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid #334155;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--text-color);
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero h1 span {
    color: var(--accent-color);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, opacity 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.divider {
    border: 0;
    height: 1px;
    background: #334155;
}

/* Seções Gerais */
section {
    padding: 4rem 0;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 50%;
    height: 3px;
    background-color: var(--accent-color);
}

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

.project-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #334155;
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

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

.tech-tags span {
    background-color: #334155;
    color: var(--accent-color);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* Sobre e Habilidades */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    .hero h1 { font-size: 2.2rem; }
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skills-list span {
    background-color: var(--card-bg);
    border: 1px solid #334155;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

/* Contato */
.contact-section {
    text-align: center;
}

.contact-intro {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 1.1rem;
}

.contact-links a {
    color: var(--accent-color);
    text-decoration: none;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid #334155;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
}