:root {
    --primary-color: #ECC5C6; /* rosa pastel */
    --dark-color: #837D68;   /* oliva acinzentado */
    --light-bg: #F5E9E7;     /* bege rosado claro */
    --white: #C1C0C2;        /* cinza claro */
    --accent: #8A9DB1;       /* azul pastel */
}

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

body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    background-color: var(--light-bg);
    color: var(--dark-color);
}

header {
    background-color: var(--white);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between; 
    align-items: center;
}

nav ul {
    display: flex;       
    list-style: none;    
    gap: 20px;           
}

nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
}

section {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

#sobre {
    margin-top: 60px;

}

.sobre-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
}

.sobre-texto {
    flex: 2;
    text-align: center;
    font-size: 1.35rem;
    line-height: 1.8;
}

.sobre-foto {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.sobre-foto img {
    width: 240px;
    height: 320px;
    border-radius: 24px;
    border: 6px solid var(--white);
    object-fit: cover;
    object-position: center top;
    box-shadow: 0 6px 24px rgba(0,0,0,0.10);
}

@media (max-width: 900px) {
    .sobre-container {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }
    .sobre-texto {
        text-align: center;
    }
    .sobre-foto {
        justify-content: center;
    }
    .sobre-foto img {
        width: 180px;
        height: 240px;
        border-width: 4px;
        border-radius: 18px;
        box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    }
}

h2 {
    text-align: center; 
    margin-bottom: 30px;
}

.projetos-container {
    display: flex;            
    flex-wrap: wrap;          
    justify-content: center;  
    gap: 25px;                
    margin-top: 30px;
}

.card-projeto {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);    
    flex: 1 1 300px;    
    max-width: 400px;
}

form {
    background-color: var(--white);
    padding: 40px;
    border-radius: 16px;      
    max-width: 550px;
    margin: 40px auto;        
    display: flex;            
    flex-direction: column;   
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
}

#contato h2 {
    margin-bottom: 30px;
    color: var(--dark-color);
}

.campo {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;       
}

form label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

form input, form textarea {
    padding: 14px;
    border: 2px solid #edf2f7;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background-color: #f8fafc;
}

form textarea {
    resize: vertical;
    min-height: 120px;
}

form button {
    margin-top: 10px;
    padding: 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
}

form button:hover {
    background-color: var(--accent);
    box-shadow: 0 4px 12px rgba(138, 157, 177, 0.2);
}

footer {
    text-align: center;
    padding: 30px;
    background-color: var(--primary-color);
    color: var(--dark-color);
    margin-top: 40px;
}

@media (max-width: 768px) {
    header {
        flex-direction: column; 
        padding: 1rem;
    }

    nav ul {
        margin-top: 15px;
        gap: 15px;
    }

    .card-projeto {
        flex-basis: 100%; 
    }
}

#btn-tema {
    padding: 5px 12px;
    cursor: pointer;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: bold;
}

body.dark-theme {
    --light-bg: #8A9DB1;   /* azul pastel */
    --dark-color: #F5E9E7; /* bege rosado claro */
    --white: #C1C0C2;      /* cinza claro */
    --primary-color: #837D68; /* oliva acinzentado */
    --accent: #ECC5C6;     /* rosa pastel */
}

body.dark-theme footer {
    background-color: var(--primary-color);
    color: var(--light-bg);
}