/* ==========================================================================
   1. BOTÕES FLUTUANTES (POSIÇÃO FIXA)
   ========================================================================== */

/* ===== CABEÇALHO (HEADER) ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: static;
    z-index: 100;
    padding: 18px 0;
    background: rgba(26, 58, 92, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.header.scrolled {
    background: rgba(26, 58, 92, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 50px;
}

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

.logo-img {
    height: 90px;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.logo-img:hover {
    opacity: 0.8;
}
.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #ffffff;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    transition: var(--transition);
    padding: 1.25rem 0;
}

.nav-link:hover {
    color: #4da3ff;
}

.nav-link.active {
    color: #4da3ff;
}

/* Botão de alternância de tema (claro/escuro) */
.theme-toggle-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #1a3a5c;
    color: white;
    border: 2px solid #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    z-index: 9999;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    background-color: #2a4a6c;
}
body.dark-mode .theme-toggle-btn {
    background-color: #1a3a5c;
    border-color: #fff;
}

#themeIcon {
    width: 37px;
    height: 40px;
}

/* Botão voltar ao topo - posicionado no lado esquerdo */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #1a3a5c;
    color: white;
    border: 2px solid #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    z-index: 9998;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
}

.back-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top-btn:hover {
    transform: translateY(-5px);
    background-color: #2a4a6c;
}

/* ==========================================================================
   2. MENU HAMBURGUER (MÓVEL)
   ========================================================================== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 201;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background: #ffffff;
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

@media (max-width: 992px) {
    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 250px;
        background: rgba(26, 58, 92, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: right 0.4s ease-in-out;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
        z-index: 1001; /* garante que painel fique abaixo do botão X */
    }

    .nav.active {
        right: 0;
    }

    /* Animação do botão hambúrguer transformando em X */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg);
    }

    /* Posicionamento do botão X quando menu está ativo */
    .hamburger.active {
        position: fixed; 
        top: 1rem;
        right: 20px;
        z-index: 1002; /* sobrepõe o menu lateral aberto */
    }
}

/* ==========================================================================
   3. MODAIS (JANELAS POP-UP)
   ========================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;

    /* Centralização do conteúdo */
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;

    /* Animação de entrada do modal */
    animation: fadeIn 0.3s ease-in-out;
}

.modal-content {
    margin: 5% auto;
    background-color: #ffffff;
    width: 100%;
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Animação de zoom do conteúdo */
    animation: slideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-modal {
    background-color: transparent;
    color: #3b7fb5;
    border: 2px solid #3b7fb5;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Inter', sans-serif;
}

.btn-modal:hover {
    background-color: #3b7fb5;
    color: #ffffff;
    box-shadow: 0 10px 15px -3px rgba(59, 127, 181, 0.3);
    transform: translateY(-2px);
}

.modal-content h2 {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    padding: 0.5rem;
}

.modal-content p,
.modal-content ul,
.modal-content strong,
.modal-content li,
.modal-content .epi-list {
    color: #121212;
    padding: 0.7rem;
    text-align: justify;
}

.modal-content img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.close {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    background: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #4b5563;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.close:hover {
    background: #e5e7eb;
    color: #111827;
    transform: rotate(90deg);
}

/* Container do carrossel de imagens do modal */
.hero-modal {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    border-radius: 16px;
    background-color: transparent;
    margin-bottom: 20px;
}

.carousel {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out;
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

/* Indicadores de navegação do carrossel */
.slide-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 30;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    border-radius: 100px;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.indicator:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.indicator.active {
    width: 24px;
    border-radius: 4px;
    background-color: #ffffff;
}

/* ==========================================================================
   5. COMPONENTES AUXILIARES
   ========================================================================== */
.divider-line {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 40px;
}

.imagemcolegas-container {
    height: auto;
    width: auto;
}

#imagem-corrigida {
    width: 160px;
    height: 160px;
}

.btn-ctt {
    background-color: #3b7fb5;
    color: #ffffff;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
    margin-top: 1rem;
    display: inline-block;
    text-decoration: none;
}

/* ==========================================================================
   6. MODO ESCURO (DARK MODE)
   ========================================================================== */
body.dark-mode {
    background-color: #1a3a5c !important;
    color: #e0e0e0 !important;
}

body.dark-mode .header {
    background-color: rgba(26, 58, 92, 0.95) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

body.dark-mode .nav-link {
    color: #e0e0e0 !important;
}

body.dark-mode .hero-page {
    background-color: #1a3a5c !important;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
}

body.dark-mode .curso-card {
    background-color: #1e1e1e !important;
    border: 1px solid #333 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
}

body.dark-mode .curso-card h3 {
    color: #ffffff !important;
}

body.dark-mode .curso-descricao {
    color: #bbbbbb !important;
}

body.dark-mode .curso-badge {
    background-color: #2c4c6c !important;
    color: #ffffff !important;
}

body.dark-mode .curso-duracao {
    color: #999999 !important;
}

body.dark-mode .modal-content p,
body.dark-mode .modal-content ul,
body.dark-mode .modal-content li {
    color: #999999;
}

body.dark-mode .modal-content strong {
    color: #c1c1c1;
}

body.dark-mode .divider-line {
    background-color: #333 !important;
}

body.dark-mode .cursos-section {
    background-color: #121212 !important;
}

body.dark-mode .section-header h2 {
    color: #ffffff !important;
}

body.dark-mode .section-header p {
    color: #aaaaaa !important;
}

body.dark-mode .btn-small {
    background-color: #1a3a5c !important;
    color: white !important;
}

body.dark-mode .btn-small:hover {
    background-color: #2a4a6c !important;
}

body.dark-mode .back-to-top-btn {
    background-color: #1a3a5c;
    border-color: #fff;
}

body.dark-mode .modal-content {
    background-color: #121212;
}

/* ==========================================================================
   7. RESPONSIVIDADE - DESKTOP (1024px+)
   ========================================================================== */
@media (min-width: 1024px) {
    .theme-toggle-btn, .back-to-top-btn {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    .theme-toggle-btn {
        bottom: 30px;
        right: 30px;
    }
    .back-to-top-btn {
        bottom: 30px;
        left: 30px;
    }

    .modal-content {
        max-width: 700px;
    }
}

/* ==========================================================================
   8. RESPONSIVIDADE - TABLET (768px a 1023px)
   ========================================================================== */
@media (min-width: 768px) and (max-width: 1023px) {
    .theme-toggle-btn, .back-to-top-btn {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    .theme-toggle-btn {
        bottom: 20px;
        right: 20px;
    }
    .back-to-top-btn {
        bottom: 20px;
        left: 20px;
    }

    .modal-content {
        max-width: 600px;
        padding: 30px;
    }

    #themeIcon {
        width: 37px;
        height: 40px;
    }
}

/* ==========================================================================
   9. RESPONSIVIDADE - MOBILE (até 767px)
   ========================================================================== */
@media (max-width: 767px) {
    .header-content {
        padding: 1rem 18px;
    }

    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 250px;
        background: rgba(27, 65, 102, 0.95);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: right 0.4s ease-in-out;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
    }

    .nav.active {
        right: 0;
        z-index: 100;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg);
    }

    .theme-toggle-btn, .back-to-top-btn {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }
    .theme-toggle-btn {
        bottom: 15px;
        right: 15px;
    }
    .back-to-top-btn {
        bottom: 15px;
        left: 15px;
    }

    #themeIcon {
        width: 30px;
        height: 33px;
    }

    .modal-content {
        max-width: 95%;
        padding: 20px;
        margin: 20px auto;
    }

    .modal {
        padding: 10px;
    }

    .close {
        font-size: 28px;
        top: 5px;
        right: 10px;
    }

    .slide-indicators {
        bottom: 1rem;
        gap: 6px;
    }

    .indicator {
        width: 6px;
        height: 6px;
    }
}