/* ========== NAVIGATION STYLES ========== */
:root {
    --primary: #ed8f07;
    --primary-dark: #d87f00;
    --text-dark: #222;
    --text-light: #666;
    --bg-light: #f9f9f9;
    --border-color: #eee;
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 6px 25px rgba(0, 0, 0, 0.12);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 102;
}

.logo {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
}

nav ul li {
    position: relative;
}

nav ul li a {
    padding: 12px 18px;
    text-decoration: none;
    color: var(--text-dark);
    text-transform: uppercase;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
    display: block;
    border-radius: 8px;
}

nav ul li a:hover {
    color: var(--primary);
    background: rgba(237, 143, 7, 0.08);
}

nav ul li a i {
    margin-left: 5px;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 240px;
    box-shadow: var(--shadow);
    border-radius: 12px;
    overflow: hidden;
    z-index: 101;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.dropdown-content a {
    padding: 12px 20px;
    color: var(--text-dark);
    text-decoration: none;
    display: block;
    font-size: 15px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
    border-bottom: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    color: var(--primary);
    background: rgba(237, 143, 7, 0.05);
    padding-left: 24px;
}

.dropdown:hover .dropdown-content {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown:hover > a i {
    transform: rotate(180deg);
}

.menu-toggle {
    display: none;
    font-size: 26px;
    background: none;
    border: none;
    color: var(--text-dark);
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    z-index: 102;
}

.menu-toggle:hover {
    background: rgba(237, 143, 7, 0.08);
    color: var(--primary);
}

/* Mobile styles */
@media (max-width: 992px) {
    nav ul {
        gap: 3px;
    }
    
    nav ul li a {
        padding: 12px 15px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 4%;
    }
    
    nav {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        overflow-y: auto;
        padding: 20px 0;
        z-index: 100;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    }
  
    nav.active {
        display: block;
        transform: translateX(0);
    }
  
    .menu-toggle {
        display: flex;
    }
  
    nav ul {
        flex-direction: column;
        gap: 0;
    }
  
    nav ul li {
        width: 100%;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }
  
    nav ul li a {
        padding: 18px 25px;
        font-weight: 600;
        font-size: 16px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-radius: 0;
    }

    nav ul li a:hover {
        background: rgba(237, 143, 7, 0.05);
    }
  
    .dropdown-content {
        position: static;
        display: none;
        min-width: 100%;
        box-shadow: none;
        border-radius: 0;
        background: rgba(0,0,0,0.02);
        padding-left: 15px;
        opacity: 1;
        transform: none;
        transition: none;
        border: none;
        border-top: 1px solid rgba(0,0,0,0.05);
    }
  
    .dropdown.open .dropdown-content {
        display: block;
    }
  
    .dropdown.open > a i {
        transform: rotate(180deg);
    }
    
    /* Espaço extra no final do menu */
    nav ul::after {
        content: '';
        display: block;
        height: 40px;
    }
}

/* Overlay para mobile */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}