/* Reset e Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;

    /* Cores de fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1e293b;
    --bg-dark-secondary: #334155;

    /* Cores de texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;

    /* Cores auxiliares */
    --primary-orange: #D26910;
    --primary-green: #539778;
    --primary-orange-light: #f9dbbd;
    --primary-green-light: #b7d3c3;


    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;

    /* Bordas */
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* Tema escuro */
[data-theme="dark"] {
    --bg-primary: #1e293b;
    --bg-secondary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-light: #94a3b8;
}

/* Utilitários de acessibilidade */
.screen-reader-text,
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 8px 16px;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    z-index: 9999;
    transition: var(--transition-fast);
}

.skip-to-content:focus {
    top: 6px;
}

/* Container global */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header principal */
header {
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) 0;
    gap: var(--spacing-xl);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.logo img {
    height: 100px;
    width: auto;
    object-fit: contain;
}

/* Formulário de busca */
.search-form {
    flex: 1;
    max-width: 500px;
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-fast);
}

.search-container:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-field {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
}

.search-field::placeholder {
    color: var(--text-secondary);
}

.search-submit {
    background: var(--primary-orange);
    border: none;
    color: var(--text-white);
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.search-submit:hover {
    background: var(--primary-hover);
}

/* Menu toggle (mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    gap: 4px;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-fast);
    border-radius: 2px;
}

.menu-toggle:hover .hamburger-line {
    background: var(--primary-color);
}

/* Navegação principal */
.main-nav {
    background: var(--bg-primary);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2000;
}

.nav-content {
    position: relative;
}

.nav-close {
    display: none;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
    z-index: 10;
}

.main-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu-item {
    position: relative;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.menu-link:hover {
    color: var(--primary-color);
}

.menu-link:hover::after {
    width: 80%;
}

.submenu-icon {
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

.has-submenu:hover .submenu-icon {
    transform: rotate(180deg);
}

/* Submenu */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 250px;
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    z-index: 2100;
    list-style: none;
    padding: var(--spacing-sm) 0;
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li {
    margin: 0;
}

.submenu a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

.submenu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.submenu a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding-left: calc(var(--spacing-lg) + 4px);
}

.submenu a:hover::before {
    width: 4px;
}

/* Mobile overlay */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

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

/* Responsividade */
@media (max-width: 768px) {
    .top-info-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .top-info-name h1 {
        font-size: 0.875rem;
    }

    .accessibility-controls {
        gap: var(--spacing-sm);
    }

    .font-controls {
        gap: 2px;
    }

    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .search-form {
        order: 3;
        width: 100%;
        max-width: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 85%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-primary);
        z-index: 1001;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }

    .main-nav.active {
        left: 0;
    }

    .nav-close {
        display: block;
    }

    .main-menu {
        flex-direction: column;
        padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
    }

    .menu-link {
        padding: var(--spacing-lg) var(--spacing-md);
        border-bottom: 1px solid var(--bg-secondary);
    }

    .menu-link::after {
        display: none;
    }

    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--bg-secondary);
        margin-top: var(--spacing-sm);
        border-radius: var(--border-radius);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .has-submenu:hover .submenu,
    .has-submenu.active .submenu {
        max-height: 300px;
    }

    .submenu a {
        padding: var(--spacing-md);
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .top-info-bar {
        padding: var(--spacing-xs) 0;
    }

    .top-info-name h1 {
        font-size: 0.75rem;
    }

    .header-content {
        padding: var(--spacing-md) 0;
    }

    .logo img {
        height: 40px;
    }

    .search-field {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .search-submit {
        padding: var(--spacing-sm) var(--spacing-md);
        min-width: 45px;
    }
}

/* Animações e estados de hover melhorados */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-nav.active .menu-item {
    animation: fadeInUp 0.3s ease-out forwards;
}

.main-nav.active .menu-item:nth-child(1) {
    animation-delay: 0.1s;
}

.main-nav.active .menu-item:nth-child(2) {
    animation-delay: 0.2s;
}

.main-nav.active .menu-item:nth-child(3) {
    animation-delay: 0.3s;
}

.main-nav.active .menu-item:nth-child(4) {
    animation-delay: 0.4s;
}

.main-nav.active .menu-item:nth-child(5) {
    animation-delay: 0.5s;
}

.main-nav.active .menu-item:nth-child(6) {
    animation-delay: 0.6s;
}

/* Estados de foco melhorados para acessibilidade */
.font-size-btn:focus,
.control-btn:focus,
.search-submit:focus,
.menu-toggle:focus,
.menu-link:focus,
.submenu a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}