header {
    
    background: rgba(10, 25, 10, 0.7);
    backdrop-filter: blur(10px);
    padding: 0 var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    height: 80px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text-light);
}

.header-logo h1 {
    font-family: var(--font-family-secondary);
    font-size: var(--font-size-lg);
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

nav a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    transition: var(--transition-fast);
    padding-bottom: 5px;
    position: relative;
}

nav a:hover {
    color: var(--color-primary-light);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary-light);
    transition: width 0.3s;
}

nav a:hover::after {
    width: 100%;
}

nav li { position: relative; }
.submenu {
    display: none;
    position: absolute;
    top: 150%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-background-paper);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-lg);
    min-width: 220px;
    opacity: 0;
    transition: opacity 0.3s, top 0.3s;
    list-style: none;
    padding: var(--spacing-sm) 0;
}
nav li:hover .submenu {
    display: block;
    opacity: 1;
    top: 100%;
}
.submenu a {
    display: block;
    padding: 12px var(--spacing-md);
    color: var(--color-text-dark);
}
.submenu a:hover { color: var(--color-primary); background: #f0f0f0; }

.menu-toggle, #menu-checkbox { display: none; }


main {
    padding: var(--spacing-xl) var(--spacing-md);
}
.hero-doacao {
   
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--color-text-light);
}

.hero-doacao h2 {
    font-family: var(--font-family-secondary);
    font-size: var(--font-size-xxl);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.hero-doacao p {
    font-size: var(--font-size-lg);
    max-width: 700px;
    margin: var(--spacing-sm) auto 0;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7);
}


#formulario-doacao {
    padding: var(--spacing-xxl) 0;
}

.doacao-form {
    max-width: 650px;
    margin: 0 auto;
    background: var(--color-background-paper);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    
}

.doacao-form h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-family-secondary);
}

.doacao-form fieldset {
    border: none;
    margin-bottom: var(--spacing-lg);
}

.doacao-form legend {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
    width: 100%;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
}

.opcoes-container {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.opcoes-container input { display: none; }

.opcoes-container label {
    padding: 12px var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: 50px; 
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 600;
    position: relative;
}

.opcoes-container label:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.opcoes-container input:checked + label {
    background: var(--color-primary);
    color: var(--color-text-light);
    border-color: var(--color-primary);
}

.badge {
    position: absolute;
    top: -12px;
    right: 10px;
    background: var(--color-secondary);
    color: var(--color-text-light);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
}

.form-group { margin-top: var(--spacing-md); }
.form-group label {
    display: block;
    font-weight: var(--font-weight-bold);
    margin-bottom: 8px;
    color: var(--color-primary-dark);
}
.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}
.form-group input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.3);
}

.alert-info {
    padding: var(--spacing-sm);
    background-color: #e7f3fe;
    border-left: 5px solid #2196F3;
    border-radius: var(--border-radius-md);
}

.btn {
    display: block;
    width: 100%;
    padding: 18px;
    background: var(--color-primary-dark);
    color: var(--color-text-light);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: var(--transition-fast);
    margin-top: var(--spacing-md);
}
.btn:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-md);
}


.impacto-doacao {
    
    text-align: center;
    padding: var(--spacing-xxl) 0;
    color: var(--color-text-light);
}
.impacto-doacao h2 {
    font-family: var(--font-family-secondary);
    font-size: var(--font-size-xl);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    margin-bottom: var(--spacing-xl);
}
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}
.card {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-text-dark);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border-top: 4px solid var(--color-primary);
    box-shadow: var(--box-shadow-md);
    transition: var(--transition-fast);
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}


footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--color-text-light);
    background: rgba(0, 0, 0, 0.5);
}


@media (max-width: 768px) {
    .menu-toggle { display: flex; flex-direction: column; gap: 5px; cursor: pointer; }
    .menu-toggle span { width: 25px; height: 3px; background: var(--color-text-light); transition: var(--transition-fast); }
    nav {
        display: none;
        position: absolute;
        top: 80px; left: 0;
        width: 100%;
        background: rgba(10, 25, 10, 0.9);
        
    }
    #menu-checkbox:checked ~ nav { display: block; }
    nav ul { flex-direction: column; padding: var(--spacing-md); }
    nav .submenu { display: none; position: static; box-shadow: none; background: transparent; padding-left: var(--spacing-md); }
    nav li:hover .submenu { display: block; }
}