/* ===== VARIÁVEIS GLOBAIS ===== */
:root {
    --azul-iseib: #0051A7;
    --vermelho-iseib: #E22939;
    --texto-azul: #244363;
    --cinza-claro: #EDEBEB;
    --branco: #FFFFFF;
    --sombra: 0 2px 8px rgba(0, 0, 0, 0.1);
    --sombra-hover: 0 5px 15px rgba(0, 0, 0, 0.2);
    --font-principal: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-principal);
    color: var(--texto-azul);
    line-height: 1.6;
    background-color: var(--branco);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ===== TOP BAR ===== */
.top-bar {
    background-color: #FFFAFA;
    padding: 8px 0;
    border-bottom: 1px solid #e0e0e0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.menu-container {
    display: flex;
    gap: 24px;
    align-items: center;
    flex-wrap: wrap;
    font-family: 'Segoe UI', 'Arial', sans-serif;
}

.menu-container a {
    text-decoration: none;
    font-weight: 500;
    color: #0055aa;
    white-space: nowrap;
    padding: 6px 10px;
    border-radius: 6px;
    transition: all 0.25s ease;
}

.menu-container a:hover {
    transform: scale(1.05);
    color: #003d7a;
    background-color: #f0f7ff;
}

.help-button {
    padding: 8px 20px;
    border-radius: 24px;
    background: linear-gradient(135deg, #0055aa, #cc0000);
    color: white !important;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.help-button:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #004494, #b30000);
}

.pay-btn {
    position: relative;
    padding: 6px 16px;
    font-size: 14px;
    background: transparent;
    color: #0055aa !important;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.25s ease;
    font-weight: 500;
    font-family: 'Segoe UI', 'Arial', sans-serif;
}

.pay-btn:hover {
    transform: scale(1.05);
    color: #003d7a !important;
    background-color: #f0f7ff;
}

/* ===== HEADER PRINCIPAL ===== */
.main-header {
    background-color: #FFFAFA;
    padding: 20px 0;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo img {
    max-width: 250px;
    height: auto;
}

.header-contact {
    text-align: right;
}

.header-contact .phone {
    font-size: 24px;
    font-weight: 700;
    color: var(--azul-iseib);
    margin-bottom: 5px;
}

.header-contact .phone i {
    color: var(--vermelho-iseib);
    margin-right: 8px;
}

.header-contact .email {
    font-size: 16px;
    color: var(--texto-azul);
}

.header-contact .email i {
    color: var(--vermelho-iseib);
    margin-right: 5px;
}

/* ===== MENU PRINCIPAL ===== */
.main-menu {
    background: linear-gradient(90deg, var(--azul-iseib) 0%, var(--vermelho-iseib) 100%);
}

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

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

.nav-menu > li > a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    transition: background-color 0.3s;
    border-right: 1px solid rgba(255,255,255,0.1);
    white-space: nowrap;
}

.nav-menu > li:first-child > a {
    border-left: 1px solid rgba(255,255,255,0.1);
}

.nav-menu > li > a:hover {
    background-color: rgba(0,0,0,0.2);
}

.nav-menu > li > a i {
    margin-left: 5px;
    font-size: 12px;
}

.nav-menu > li > a.active {
    background-color: rgba(0,0,0,0.3);
    font-weight: 800;
}

/* Submenu */
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--azul-iseib);
    min-width: 220px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 1000;
    list-style: none;
    border-radius: 0 0 4px 4px;
}

.submenu li a {
    display: block;
    padding: 12px 20px;
    color: white;
    text-decoration: none;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background-color 0.3s;
    white-space: nowrap;
}

.submenu li a:hover {
    background-color: var(--vermelho-iseib);
}

.submenu li:last-child a {
    border-bottom: none;
}

.nav-menu li:hover .submenu {
    display: block;
}

/* ===== BANNER COM IMAGEM DE FUNDO ===== */
.banner-section {
    background-image: url('../img/POS-scaled.png');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 500px;
    width: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0 0 60px 0;
}

.search-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: 50px;
    padding: 5px;
    display: flex;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.search-container input[type="search"] {
    flex: 1;
    border: none;
    background: #EDEBEB;
    border-radius: 50px;
    padding: 15px 25px;
    color: var(--texto-azul);
    font-size: 16px;
    font-family: var(--font-principal);
    outline: none;
}

.search-container input[type="search"]::placeholder {
    color: var(--texto-azul);
    opacity: 0.7;
}

.search-container button {
    border: none;
    background: var(--azul-iseib);
    color: white;
    border-radius: 50px;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: var(--font-principal);
    cursor: pointer;
    white-space: nowrap;
}

.search-container button:hover {
    background: #003d7a;
}

#msgSemResultados {
    text-align: center;
    margin-top: 20px;
    color: white;
    font-size: 16px;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* ===== SEÇÃO DE TÍTULO ===== */
.titulo-section {
    padding: 60px 0 20px;
    text-align: center;
}

.titulo-section h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--azul-iseib);
    margin-bottom: 15px;
}

.titulo-section p {
    font-size: 18px;
    color: var(--texto-azul);
    max-width: 800px;
    margin: 0 auto;
}

/* ===== ÍCONES DAS ÁREAS ===== */
.areas-section {
    padding: 30px 0 60px;
}

.areas-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
    font-weight: 700;
    color: var(--azul-iseib);
}

.areas-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.area-item {
    flex: 0 0 150px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.area-item:hover {
    transform: translateY(-5px);
}

.area-icone {
    width: 120px;
    height: 120px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--azul-iseib), var(--vermelho-iseib));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
    box-shadow: var(--sombra);
}

.area-icone img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}

.area-icone:hover img {
    transform: scale(1.1);
}

.area-item span {
    display: block;
    font-weight: 600;
    color: var(--texto-azul);
    font-size: 18px;
}

/* ===== BOTÃO VOLTAR AO TOPO FIXO ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
}

.back-to-top button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--azul-iseib);
    border: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0px 0px 0px 4px rgba(180, 160, 255, 0.253);
    cursor: pointer;
    transition: all 0.3s;
    overflow: hidden;
    position: relative;
}

.back-to-top button:hover {
    width: 140px;
    border-radius: 50px;
    background: linear-gradient(90deg, var(--azul-iseib) 0%, var(--vermelho-iseib) 100%);
}

.back-to-top button:hover .svgIcon {
    transform: translateY(-200%);
}

.back-to-top button .svgIcon {
    width: 12px;
    transition: 0.3s;
}

.back-to-top button .svgIcon path {
    fill: white;
}

.back-to-top button::before {
    position: absolute;
    bottom: -20px;
    content: "Voltar ao Topo";
    color: white;
    font-size: 0px;
}

.back-to-top button:hover::before {
    font-size: 13px;
    opacity: 1;
    bottom: unset;
}

/* ===== BOTÃO VOLTAR AO TOPO NAS SEÇÕES ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--vermelho-iseib);
    flex-wrap: wrap;
    gap: 15px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--azul-iseib);
    margin: 0;
}

.section-header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-ver-mais {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: transparent;
    color: var(--azul-iseib);
    border: 2px solid var(--azul-iseib);
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-ver-mais:hover {
    background-color: var(--azul-iseib);
    color: white;
    transform: translateX(3px);
}

.btn-ver-mais i {
    font-size: 12px;
    transition: transform 0.3s;
}

.btn-ver-mais:hover i {
    transform: translateX(3px);
}

.back-to-top-section {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--azul-iseib);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    overflow: hidden;
    position: relative;
}

.back-to-top-section:hover {
    width: 140px;
    border-radius: 50px;
    background: linear-gradient(90deg, var(--azul-iseib) 0%, var(--vermelho-iseib) 100%);
}

.back-to-top-section .svgIcon {
    width: 12px;
    transition: 0.3s;
    fill: white;
}

.back-to-top-section:hover .svgIcon {
    transform: translateY(-200%);
    opacity: 0;
}

.back-to-top-section::before {
    position: absolute;
    content: "Voltar ao Topo";
    color: white;
    font-size: 0px;
    white-space: nowrap;
    transition: 0.3s;
}

.back-to-top-section:hover::before {
    font-size: 13px;
    opacity: 1;
}

.ver-mais-container {
    text-align: center;
    margin-top: 30px;
}

.btn-ver-mais-block {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 30px;
    background: linear-gradient(90deg, var(--azul-iseib) 0%, var(--vermelho-iseib) 100%);
    color: white;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    box-shadow: var(--sombra);
}

.btn-ver-mais-block:hover {
    transform: translateY(-3px);
    box-shadow: var(--sombra-hover);
}

.btn-ver-mais-block i {
    transition: transform 0.3s;
}

.btn-ver-mais-block:hover i {
    transform: translateX(5px);
}

/* ===== SEÇÕES DE CURSOS ===== */
.cursos-section {
    padding: 40px 0;
}

.cursos-section:nth-child(odd) {
    background-color: var(--cinza-claro);
}

.cursos-section:nth-child(even) {
    background-color: var(--branco);
}

/* Grid de cards */
.cursos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

/* Card de curso */
.curso-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--sombra);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.curso-card-imagem {
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa, #e4e8ec);
}

.curso-card-imagem img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.curso-card:hover .curso-card-imagem img {
    transform: scale(1.05);
}

.curso-card-conteudo {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.curso-card-categoria {
    display: inline-block;
    background: linear-gradient(90deg, var(--azul-iseib) 0%, var(--vermelho-iseib) 100%);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
    align-self: flex-start;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.curso-card-titulo {
    font-size: 16px;
    font-weight: 700;
    color: var(--texto-azul);
    margin-bottom: 10px;
    line-height: 1.4;
    flex-grow: 1;
}

.curso-card-titulo a {
    color: inherit;
    text-decoration: none;
}

.curso-card-titulo a:hover {
    color: var(--azul-iseib);
}

.curso-card-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 13px;
    color: #666;
}

.curso-card-meta i {
    color: var(--vermelho-iseib);
    margin-right: 4px;
}

.curso-card-preco {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.preco-valor {
    font-size: 22px;
    font-weight: 700;
    color: var(--vermelho-iseib);
}

.preco-valor small {
    font-size: 13px;
    font-weight: 400;
    color: #999;
}

.btn-saiba-mais {
    background: var(--azul-iseib);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-saiba-mais:hover {
    background: var(--vermelho-iseib);
}

.btn-saiba-mais i {
    font-size: 12px;
    transition: transform 0.3s;
}

.btn-saiba-mais:hover i {
    transform: translateX(3px);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--texto-azul);
    color: white;
    padding: 50px 0 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-widget h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.footer-widget h4:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--azul-iseib), var(--vermelho-iseib));
}

.footer-widget p {
    color: #ccc;
    line-height: 1.8;
    font-size: 14px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--vermelho-iseib);
    transform: translateX(5px);
}

.footer-links i {
    color: var(--vermelho-iseib);
    width: 16px;
    font-size: 14px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #999;
    font-size: 13px;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 992px) {
    .cursos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .area-item {
        flex: 0 0 130px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .header-contact {
        text-align: center;
        margin-top: 15px;
    }
    
    .nav-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-menu > li > a {
        border: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        text-align: left;
        padding: 12px 20px;
    }
    
    .nav-menu > li:first-child > a {
        border-left: none;
    }
    
    .submenu {
        position: static;
        display: none;
        background-color: rgba(0,0,0,0.2);
        width: 100%;
    }
    
    .nav-menu li:hover .submenu {
        display: block;
    }
    
    .submenu li a {
        padding-left: 40px;
    }
    
    .search-container {
        flex-direction: column;
        margin: 0 15px;
    }
    
    .search-container button {
        width: 100%;
    }
    
    .banner-section {
        min-height: 400px;
        padding-bottom: 30px;
    }
    
    .area-item {
        flex: 0 0 120px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .cursos-grid {
        grid-template-columns: 1fr;
    }
    
    .area-item {
        flex: 0 0 100%;
    }
}

/* Utilitários */
.hidden {
    display: none !important;
}