/* GLOBAIS E RESET */
:root {
    --color-primary: #3f51b5; /* Azul forte, pode ser trocado por outra cor de destaque */
    --color-secondary: #ff4081; /* Cor de Ação/Destaque */
    --color-dark: #212121;
    --color-light: #f5f5f5;
    --font-family: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    background-color: var(--color-light);
    color: var(--color-dark);
}

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

/* TIPOGRAFIA */
h1 { font-size: 3rem; font-weight: 700; }
h2 { font-size: 2rem; margin-bottom: 1.5rem; text-align: center; }
p { margin-bottom: 1rem; }

/* LAYOUT BASE */
.section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

/* BOTÕES (Geométricos e de Alto Contraste) */
.cta-button, .link-btn {
    display: inline-block;
    padding: 12px 25px;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.3s, transform 0.3s;
    /* Linhas e ângulos definidos */
    border-radius: 4px;
}

.cta-button {
    background-color: var(--color-primary);
    color: var(--color-light);
    border: 2px solid var(--color-primary);
}

.cta-button:hover {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
    transform: translateY(-2px);
}

/* 1. HERO SECTION */
.hero-section {
    background: var(--color-dark);
    color: var(--color-light);
    padding: 100px 5% 150px; /* Maior altura para destaque */
    text-align: center;
    /* Uso de formas geométricas - por exemplo, um gradiente sutil */
    background-image: linear-gradient(135deg, var(--color-dark) 0%, #000000 100%);
}

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

.hero-content h1 {
    margin-top: 20px;
    line-height: 1.1;
    color: var(--color-light); /* Para destacar no fundo escuro */
}

.hero-content p {
    font-size: 1.2rem;
    margin: 20px 0 30px;
    opacity: 0.8;
}

/* 2. NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary); /* Destaque na cor secundária */
}

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

.nav-links li a {
    color: var(--color-light);
    margin-left: 25px;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links li a:hover {
    color: var(--color-secondary);
}

/* 3. PROJETOS (GRID) */
.projects-section {
    background-color: var(--color-light);
    padding-top: 80px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.05); /* Sombra angular */
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 8px 8px 0px var(--color-secondary); /* Destaque Geométrico ao passar o mouse */
}

.tech-tags span {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-light);
    font-size: 0.75rem;
    padding: 4px 8px;
    margin-right: 5px;
    margin-bottom: 5px;
    border-radius: 2px;
}

.card-links {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.link-btn.primary {
    background-color: var(--color-primary);
    color: var(--color-light);
}

.link-btn.secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

/* 4. SKILLS SECTION */
.skills-section {
    background-color: #f0f0f0;
}

.skills-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.skill-item {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 10px 20px;
    font-weight: 600;
    border-radius: 0; /* Ângulos retos para estética geométrica */
    border: 2px solid var(--color-secondary); /* Borda de alto contraste */
    box-shadow: 3px 3px 0px var(--color-secondary);
}

/* 5. CONTATO */
.contact-section {
    padding-bottom: 80px;
}

.contact-form {
    max-width: 600px;
    margin: 30px auto 0;
    display: grid;
    gap: 20px;
}

.contact-form input, 
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ccc;
    font-family: var(--font-family);
    font-size: 1rem;
    border-radius: 4px;
    transition: border-color 0.3s;
}

.contact-form input:focus, 
.contact-form textarea:focus {
    border-color: var(--color-primary);
    outline: none;
}

/* FOOTER */
footer {
    background-color: var(--color-dark);
    color: #9e9e9e;
    text-align: center;
    padding: 20px 5%;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.icon-linkedin {
    width: 30px;
    height: auto;
    border: 1px solid black;
}