/* --- Configurações Globais e Variáveis --- */
:root {
    --blue-800: #1e40af;
    --blue-200: #bfdbfe;
    --gray-100: #f3f4f6;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --white: #ffffff;
}

/* --- Reset Básico e Estilo do Corpo --- */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem; /* 24px */
}

/* --- Cabeçalho --- */
header {
    background-color: var(--blue-800);
    color: var(--white);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    padding: 2rem 1.5rem; /* 32px */
}

/* Novo container flex para alinhar logo e texto */
.header-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem; /* 24px */
    flex-wrap: wrap;
}

/* Estilo para o logo */
.header-logo {
    height: 80px;
    width: auto;
}

/* Alinha o texto do cabeçalho à esquerda em telas maiores */
.header-text {
    text-align: left;
}

header h1 {
    font-size: 2.25rem; /* 36px */
    font-weight: 700;
    letter-spacing: -0.025em;
    margin: 0;
}

header p {
    margin-top: 0.25rem; /* 4px */
    font-size: 1.125rem; /* 18px */
    color: var(--blue-200);
}

/* --- Conteúdo Principal --- */
main {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

/* --- Seção de Introdução --- */
.intro-section {
    background-color: var(--white);
    border-radius: 0.75rem; /* 12px */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.intro-section h2,
.gallery-section h2 {
    font-size: 1.875rem; /* 30px */
    font-weight: 700;
    color: var(--blue-800);
    margin-bottom: 1rem;
}

.intro-section p {
    color: var(--gray-600);
    max-width: 48rem; /* 768px */
    margin-left: auto;
    margin-right: auto;
}

/* --- Galeria de Fotos --- */
.gallery-section {
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem; /* 16px */
}

.gallery-item {
    background-color: var(--white);
    border-radius: 0.5rem; /* 8px */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.gallery-item img {
    width: 100%;
    height: 12rem; /* 192px */
    object-fit: cover;
    display: block;
}

/* --- Rodapé --- */
footer {
    background-color: var(--gray-800);
    color: var(--white);
    margin-top: 3rem;
    padding: 2rem 1.5rem;
    text-align: center;
}

footer .copyright {
    margin-top: 0.5rem;
    font-size: 0.875rem; /* 14px */
    color: #9ca3af; /* gray-400 */
}

/* --- Media Queries para Responsividade --- */

/* Centraliza o cabeçalho em telas menores */
@media (max-width: 520px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    .header-text {
        text-align: center;
    }
}

@media (min-width: 640px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    header h1 {
        font-size: 3rem; /* 48px */
    }
    header p {
        font-size: 1.25rem; /* 20px */
    }
    .intro-section {
        padding: 3rem;
    }
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem; /* 24px */
    }
}