/* Reset simples */
* { box-sizing: border-box; }

/* Corpo */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center; /* Centraliza horizontalmente todo o conteúdo */
}

/* Cabeçalho */
header {
    background: #0077b6;
    color: white;
    padding: 22px 0;
    width: 100%;
}

/* Centralizar conteúdo do header */
.header-inner {
    max-width: 1100px;
    margin: 0 auto; /* centraliza horizontalmente */
    padding: 0 clamp(10px, 5vw, 20px); /* margem lateral mínima */
    display: flex;
    flex-direction: column; /* organiza verticalmente para centralizar */
    align-items: center; /* centraliza horizontalmente */
    gap: 18px;
}

/* Foto redonda */
.foto-perfil {
    width: 130px;
    height: 130px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid rgba(255,255,255,0.9);
}

/* Texto do cabeçalho */
.head-info h1 {
    margin: 0 0 6px;
    font-size: 1.4rem;
    text-align: center;
}

.head-info h2 {
    margin: 0 0 8px;
    font-weight: 400;
    color: #e0f7fa;
    text-align: center;
}

/* Linha de contato */
.contact-line {
    margin: 4px 0;
    font-size: 0.95rem;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center; /* centraliza conteúdo */
}

/* separador */
.sep { color: rgba(255,255,255,0.85); margin: 0 6px; }

/* Link do cabeçalho em azul clarinho e sem underline */
header a {
    color: #6ec1f7;
    text-decoration: none;
}
header a:hover {
    text-decoration: underline;
}

/* Botão de download no cabeçalho */
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 12px;
    padding: 8px 12px;
    border-radius: 8px;
    background: white;
    color: #0077b6;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    transition: transform .08s ease, box-shadow .08s ease;
}
.btn-download i { font-size: 0.95rem; }
.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0,0,0,0.12);
}

/* Main com margem lateral mínima e padding interno */
main {
    max-width: 900px;
    margin: 20px clamp(10px, 5vw, 20px); /* top/bottom 20px; laterais nunca < 10px */
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Seção Sobre Mim */
.sobre-mim p {
    margin-top: 8px;
    color: #333;
}

/* Títulos de seção */
h3 {
    color: #0077b6;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 6px;
}

/* Listas */
ul { list-style-type: disc; padding-left: 20px; margin: 8px 0 0 0; }

/* Links gerais */
a { color: #6ec1f7; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Footer com a mesma margem lateral mínima */
footer {
    background: #0077b6;
    color: white;
    text-align: center;
    padding: 12px 0;
    width: 100%;
    margin-top: 18px;
}

/* Responsividade simples */
@media (max-width: 720px) {
    .header-inner { gap: 12px; }
    .foto-perfil { width: 110px; height: 110px; }
    .btn-download { margin-left: 6px; padding: 7px 10px; }
}