/**
 * Layout CSS - Tema Capitão RS
 * Grid, container e estrutura de página
 * 
 * @package Theme_Capitao
 * @since 1.0.0
 */

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

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-fluid {
    width: 100%;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-narrow {
    max-width: 800px;
}

/* ==========================================================================
   ESTRUTURA DA PÁGINA
   ========================================================================== */

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
    background-color: var(--cor-branco);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: var(--z-sticky);
}

.header-top {
    padding: var(--space-md) 0;
}

.header-top .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.site-branding {
    flex-shrink: 0;
}

.site-branding img {
    max-height: 80px;
    width: auto;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Barra de Navegação Principal */
.nav-wrapper {
    background-color: var(--cor-cinza-menu);
}

.main-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.nav-menu > li {
    margin: 0;
    position: relative;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    color: var(--cor-branco);
    font-family: var(--font-titulo);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li > a:focus,
.nav-menu > li.current-menu-item > a {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--cor-branco);
    text-decoration: none;
}

/* Submenu */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--cor-branco);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    list-style: none;
    margin: 0;
    padding: var(--space-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.nav-menu > li:hover > .sub-menu,
.nav-menu > li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu .sub-menu li {
    margin: 0;
}

.nav-menu .sub-menu a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    color: var(--cor-texto);
    font-size: var(--fs-sm);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.nav-menu .sub-menu a:hover,
.nav-menu .sub-menu a:focus {
    background-color: var(--cor-fundo-suave);
    color: var(--cor-azul-primario);
}

/* Menu Toggle Mobile */
.menu-toggle {
    display: none;
    padding: var(--space-sm);
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle-icon {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 28px;
}

.menu-toggle-icon span {
    display: block;
    height: 3px;
    background-color: var(--cor-branco);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

.site-footer {
    background-color: var(--cor-azul-primario);
    color: var(--cor-branco);
    margin-top: auto;
}

.footer-main {
    padding: var(--space-3xl) 0;
}

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

.footer-column h4 {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    color: var(--cor-branco);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--cor-amarelo);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--fs-sm);
    line-height: 1.7;
}

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

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

.footer-column ul a {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--fs-sm);
    transition: color var(--transition-fast);
}

.footer-column ul a:hover {
    color: var(--cor-amarelo);
    text-decoration: none;
}

.footer-logo img {
    max-width: 200px;
    margin-bottom: var(--space-md);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: var(--fs-sm);
}

.footer-contact-item svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    fill: var(--cor-amarelo);
    margin-top: 2px;
}

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

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

.footer-social a:hover {
    background-color: var(--cor-amarelo);
}

.footer-social svg {
    width: 20px;
    height: 20px;
    fill: var(--cor-branco);
}

.footer-social a:hover svg {
    fill: var(--cor-azul-primario);
}

/* Footer Bottom */
.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: var(--space-lg) 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-links a {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
    color: var(--cor-amarelo);
}

/* ==========================================================================
   GRID SYSTEM
   ========================================================================== */

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: calc(var(--space-md) * -1);
    margin-right: calc(var(--space-md) * -1);
}

.col {
    flex: 1;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

.col-auto {
    flex: 0 0 auto;
    width: auto;
}

/* Grid de Cards */
.cards-grid {
    display: grid;
    gap: var(--space-lg);
}

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

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

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

/* ==========================================================================
   SEÇÕES
   ========================================================================== */

.section {
    padding: var(--space-3xl) 0;
}

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

.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--fs-xl);
    color: var(--cor-azul-primario);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--cor-borda);
}

.section-title-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.section-subtitle {
    font-size: var(--fs-base);
    color: var(--cor-texto-suave);
    font-weight: var(--fw-regular);
}

.section-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--cor-azul-primario);
    font-weight: var(--fw-medium);
    font-size: var(--fs-sm);
}

.section-link:hover {
    text-decoration: underline;
}

/* Seção com fundo */
.section-alt {
    background-color: var(--cor-fundo-suave);
}

.section-dark {
    background-color: var(--cor-azul-primario);
    color: var(--cor-branco);
}

.section-dark .section-title {
    color: var(--cor-branco);
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   RESPONSIVIDADE
   ========================================================================== */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cards-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-menu > li > a {
        padding: var(--space-md) var(--space-md);
        font-size: var(--fs-xs);
    }
}

@media (max-width: 768px) {
    :root {
        --fs-4xl: 2.25rem;
        --fs-3xl: 1.875rem;
        --fs-2xl: 1.5rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--cor-cinza-menu);
        padding: var(--space-md);
    }
    
    .main-navigation.is-open {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-menu > li > a {
        padding: var(--space-md);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: rgba(0, 0, 0, 0.1);
        border-radius: 0;
        display: none;
    }
    
    .nav-menu > li.submenu-open > .sub-menu {
        display: block;
    }
    
    .nav-menu .sub-menu a {
        color: var(--cor-branco);
        padding-left: var(--space-2xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-column h4 {
        border-bottom: none;
        padding-bottom: 0;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }
    
    .cards-grid-2,
    .cards-grid-3,
    .cards-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .header-top .container {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .site-branding {
        width: 100%;
        text-align: center;
    }
    
    .site-branding img {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 0.75rem;
    }
    
    .section {
        padding: var(--space-2xl) 0;
    }
}