/* Modern Portal Design System */
/* ============================= */

:root {
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Header Styles */
.header-modern {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.header-top {
    background: var(--menu-bg);
    color: var(--menu-text);
    padding: var(--space-sm) 0;
    font-size: 0.875rem;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info {
    display: flex;
    gap: var(--space-lg);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--menu-text);
    opacity: 0.9;
}

.header-quick-links {
    display: flex;
    gap: var(--space-lg);
}

.quick-link {
    color: var(--menu-text);
    text-decoration: none;
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.quick-link:hover {
    opacity: 1;
}

/* Navbar */
.navbar-modern {
    background: white;
    padding: var(--space-md) 0;
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.navbar-logo {
    height: 50px;
    width: auto;
}

.navbar-text-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-prefeitura {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.logo-cidade {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.navbar-toggler {
    display: none;
    background: none;
    border: none;
    padding: var(--space-sm);
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
}

.navbar-toggler span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary);
    transition: all var(--transition-fast);
    border-radius: var(--radius-full);
}

.navbar-toggler.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.navbar-toggler.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 500;
    transition: color var(--transition-fast);
    border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.1);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    position: relative;
    cursor: pointer;
}

.dropdown-toggle::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 6px;
    font-size: 12px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: white;
    min-width: 240px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 8px 0;
    list-style: none;
    border: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-link {
    display: block;
    padding: 12px 24px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 15px;
    white-space: nowrap;
    position: relative;
}

.dropdown-link:hover {
    background: linear-gradient(90deg, rgba(var(--primary-rgb), 0.08) 0%, rgba(var(--primary-rgb), 0.03) 100%);
    color: var(--primary);
    padding-left: 30px;
}

.dropdown-link:hover::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 2px;
}

/* Search Form */
.search-form {
    display: flex;
    align-items: center;
    background: rgba(0,0,0,0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.search-input {
    border: none;
    background: none;
    padding: var(--space-sm) var(--space-md);
    width: 200px;
    outline: none;
}

.search-btn {
    background: none;
    border: none;
    padding: var(--space-sm) var(--space-md);
    color: var(--primary);
    cursor: pointer;
}

/* Hero Section */
.hero-modern {
    position: relative;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* Sections */
.section-modern {
    padding: var(--space-3xl) 0;
}

.section-modern.bg-light {
    background: rgba(0,0,0,0.02);
}

.section-modern-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-modern-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--title-color);
    margin-bottom: var(--space-md);
}

.section-modern-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
}

/* Grid System */
.grid-modern {
    display: grid;
    gap: var(--space-xl);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Cards */
.card-modern {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card-modern:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-modern-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-modern-body {
    padding: var(--space-lg);
}

.card-modern-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--title-color);
    margin-bottom: var(--space-sm);
}

.card-modern-text {
    color: var(--text-gray);
    margin-bottom: var(--space-md);
}

.card-modern-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Feature Cards */
.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--title-color);
    margin-bottom: var(--space-sm);
}

.feature-description {
    color: var(--text-gray);
    margin-bottom: var(--space-md);
}

/* Statistics Section */
.stats-modern {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: var(--space-3xl) 0;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.stat-item {
    padding: var(--space-lg);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Buttons */
.btn-modern {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-modern-primary {
    background: var(--primary);
    color: white;
}

.btn-modern-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-modern-secondary {
    background: var(--secondary);
    color: white;
}

.btn-modern-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-modern-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-modern-outline-dark {
    background: transparent;
    color: var(--title-color);
    border: 2px solid var(--border-color);
}

.btn-modern-outline-dark:hover {
    background: var(--title-color);
    color: white;
    border-color: var(--title-color);
}

/* Footer */
.footer-modern {
    background: var(--footer-bg);
    color: var(--footer-text);
    margin-top: var(--space-3xl);
}

.footer-top {
    padding: var(--space-3xl) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-2xl);
}

.footer-column {
    padding: 0 var(--space-md);
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--footer-text);
}

.footer-text {
    color: var(--footer-text);
    opacity: 0.8;
    margin-bottom: var(--space-lg);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--footer-text);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--footer-text);
    opacity: 0.8;
}

.footer-contact i {
    margin-top: 4px;
    width: 20px;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    color: var(--footer-text);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-input {
    flex: 1;
    padding: var(--space-md);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    color: var(--footer-text);
    outline: none;
}

.newsletter-input::placeholder {
    color: rgba(255,255,255,0.5);
}

.newsletter-btn {
    padding: var(--space-md) var(--space-xl);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.newsletter-btn:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    padding: var(--space-lg) 0;
    background: rgba(0,0,0,0.2);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: var(--footer-text);
    opacity: 0.8;
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-bottom-links a {
    color: var(--footer-text);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-bottom-links a:hover {
    opacity: 1;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .navbar-toggler {
        display: flex;
    }
    
    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-2xl);
        box-shadow: var(--shadow-2xl);
        transition: right var(--transition-base);
    }
    
    .navbar-menu.active {
        right: 0;
    }
    
    .navbar-nav {
        flex-direction: column;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(0,0,0,0.05);
    }
    
    .navbar-search {
        margin-top: var(--space-lg);
    }
    
    .search-input {
        width: 100%;
    }
    
    /* Grids */
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    /* Sections */
    .section-modern {
        padding: var(--space-2xl) 0;
    }
    
    .section-modern-title {
        font-size: 2rem;
    }
    
    /* Footer */
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
    
    /* Header */
    .header-top {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .section-modern-title {
        font-size: 1.75rem;
    }
    
    .back-to-top {
        bottom: var(--space-md);
        right: var(--space-md);
        width: 40px;
        height: 40px;
    }
}