/* Estilo Profissional e Moderno */
:root {
    --background-color: #f8f9fa;
    --card-bg: #ffffff;
    --primary-color: #ffffff;
    --accent-color: #0d6efd; /* Azul Moderno */
    --text-color: #212529;
    --text-secondary: #6c757d;
    --font-family-heading: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden; /* Evita barras de rolagem indesejadas */
}

/* --- Header Superior --- */
#main-header {
    background-color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    padding: 15px 40px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
    flex-shrink: 0;
    z-index: 100;
    transition: all 0.5s ease;
    max-height: 500px; /* Altura máxima suficiente para o conteúdo */
    overflow: hidden;
}

/* Estado escondido do header */
#main-header.hidden {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-bottom-width: 0;
    opacity: 0;
    box-shadow: none;
}

/* Botão de alternância (Toggle) */
.header-toggle-btn {
    position: fixed;
    top: 10px;
    right: 20px;
    z-index: 1001; /* Fica acima do header */
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.header-toggle-btn:hover {
    background-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.header-profile h1 {
    font-family: var(--font-family-heading);
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    text-shadow: none;
}

.header-profile p {
    font-family: sans-serif;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.header-nav ul {
    display: flex;
    list-style: none;
    gap: 15px;
    flex-wrap: wrap;
}

.header-nav ul li a {
    display: flex;
    align-items: center;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 8px 15px;
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-family-heading);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
}

.header-nav ul li a:hover {
    color: var(--accent-color);
    background-color: rgba(13, 110, 253, 0.05);
    border-color: transparent;
    box-shadow: none;
}

.header-nav ul li a i {
    margin-right: 10px;
}

/* --- Conteúdo Principal --- */
main {
    flex-grow: 1;
    padding: 40px;
    overflow-y: auto; /* Permite rolagem se o conteúdo for grande */
}

.content-section {
    max-width: 900px;
    padding-top: 40px;
    margin: 0 auto;
}

.content-section h2 {
    font-family: var(--font-family-heading);
    color: var(--text-color);
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    text-shadow: none;
}

/* --- Seção Sobre Mim --- */
.about-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap; /* Permite quebrar linha em telas menores */
}

.about-text {
    flex: 1; /* Ocupa o espaço disponível */
    min-width: 300px;
}

.about-image {
    flex: 0 0 250px; /* Tamanho fixo da imagem */
    height: 300px;
    border: none;
    border-radius: 8px; /* Formato quadrado */
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.skill-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.skill-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    display: block;
}

.skill-card span {
    font-family: var(--font-family-heading);
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 600;
}

/* --- Seção de Projetos --- */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr; /* Uma coluna por padrão */
    gap: 40px;
}

.project-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden; /* Garante que a imagem não vaze do border-radius */
    display: flex;
    flex-direction: column;
    transition: border-color 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow);
}

.project-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.project-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.project-card h3 {
    font-family: var(--font-family-heading);
    color: var(--text-color);
    font-size: 1.4rem;
    padding: 20px 20px 10px 20px;
}

.project-card p {
    font-family: sans-serif;
    color: var(--text-secondary);
    line-height: 1.6;
    padding: 0 20px 20px 20px;
    flex-grow: 1; /* Faz a descrição ocupar o espaço disponível */
}

.project-links {
    padding: 0 20px 20px 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.project-btn {
    background-color: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 8px 15px;
    border-radius: 4px;
    text-decoration: none;
    font-family: var(--font-family-heading);
    font-size: 0.9rem;
    transition: background-color 0.3s, color 0.3s;
}

.project-btn:hover {
    background-color: var(--accent-color);
    color: #fff;
}

/* Ajuste específico para o link do telefone */
.phone-link {
    font-size: 0.8rem !important; /* Diminui a fonte do telefone */
}

/* --- Títulos de Categoria (Certificados, etc) --- */
.category-title {
    font-family: var(--font-family-heading);
    color: var(--text-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
}

/* --- Títulos de Subcategoria --- */
.subcategory-title {
    font-family: var(--font-family-heading);
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 30px;
    margin-bottom: 15px;
    padding-left: 10px;
    border-left: 3px solid var(--accent-color);
}

/* --- Seção de Certificados --- */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); /* Tamanho mínimo do card bem menor */
    gap: 15px; /* Espaçamento entre cards menor */
}

.certificate-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 10px; /* Espaçamento interno menor */
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start; /* Alinha ao topo para consistência */
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow);
}

.certificate-card:hover {
    transform: translateY(-3px); /* Efeito de hover mais sutil */
    border-color: var(--accent-color);
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}

.certificate-card i {
    font-size: 1.8rem; /* Ícone menor */
    color: var(--accent-color);
    margin-bottom: 10px;
}

.certificate-card h3 {
    font-family: var(--font-family-heading);
    font-size: 0.85rem; /* Título menor */
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.certificate-card .institution {
    font-family: sans-serif;
    font-size: 0.65rem; /* Texto da instituição menor */
    color: var(--text-secondary);
    margin-bottom: 10px;
}