/**
 * SICCMI - CSS Base Multilíngue
 * Framework AEGIS - 100% Próprio
 * @version 1.0
 */

/* ========================================
   RESET E BASE
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Primárias - SICCMI */
    --color-primary: #2235DD;
    --color-primary-hover: #1a28B0;
    --color-secondary: #05060F;
    --color-accent: #FF6B35;

    /* Cores de UI */
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-border: #e1e4e8;
    --color-text: #24292e;
    --color-text-light: #586069;
    --color-text-muted: #6a737d;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Typography - SICCMI */
    --font-body: var(--font-frontend-secondary, system-ui, sans-serif);
    --font-heading: var(--font-frontend-primary, system-ui, sans-serif);

    /* Container */
    --container-max: 1200px;
    --container-padding: var(--spacing-md);

    /* Transitions */
    --transition: 0.3s ease;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

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

/* ========================================
   CONTAINER
   ======================================== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ========================================
   NAVEGAÇÃO
   ======================================== */

.main-nav {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 64px;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo img {
    display: block;
}

.nav-logo:hover {
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: rgba(34, 53, 221, 0.08);
}

/* Language Selector */
.nav-item-lang {
    margin-left: var(--spacing-sm);
}

.lang-selector {
    position: relative;
}

.lang-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

.lang-trigger:hover {
    border-color: var(--color-primary);
    background: rgba(34, 53, 221, 0.05);
}

.lang-trigger svg {
    width: 18px;
    height: 18px;
}

.lang-current {
    font-weight: 600;
}

.lang-chevron {
    width: 14px !important;
    height: 14px !important;
    transition: transform var(--transition);
}

.lang-trigger:hover .lang-chevron {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition);
    z-index: 100;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li {
    border-bottom: 1px solid var(--color-border);
}

.lang-dropdown li:last-child {
    border-bottom: none;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    color: var(--color-text);
    transition: background var(--transition);
}

.lang-option:hover {
    background: var(--color-bg-alt);
}

.lang-option.active {
    background: rgba(34, 53, 221, 0.08);
    color: var(--color-primary);
    font-weight: 600;
}

.lang-flag {
    font-size: 1.25rem;
}

.lang-name {
    font-size: 0.95rem;
}

/* ========================================
   MAIN CONTENT
   ======================================== */

.main-content {
    min-height: calc(100vh - 64px - 200px);
}

/* ========================================
   SECTIONS
   ======================================== */

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: transparent;
    color: white;
    border-color: white;
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* ========================================
   FOOTER
   ======================================== */

.main-footer {
    background: var(--color-secondary);
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.footer-section h3 {
    font-size: 1.25rem;
}

.footer-section h4 {
    font-size: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    font-size: 0.9rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal a:hover {
    color: white;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
    }

    .nav-menu.active {
        max-height: 500px;
    }

    .nav-item {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-link {
        display: block;
        padding: var(--spacing-md);
    }

    .nav-item-lang {
        margin-left: 0;
        padding: var(--spacing-md);
    }

    .lang-trigger {
        width: 100%;
        justify-content: space-between;
    }

    .lang-dropdown {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--color-border);
        border-radius: 0;
        margin-top: var(--spacing-sm);
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

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

    .section-header h2 {
        font-size: 1.5rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 1rem;
    }
}