:root {
    /* Design System - Tech/Startup Colors */
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --dark-bg: #0f172a;
    --dark-surface: #1e293b;
    --dark-border: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-tech: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

    /* 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);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    padding-top: 0;
    margin: 0;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.estilo-link-udemy {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    transition: var(--transition-fast);
}

.estilo-link-udemy:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

/* Container Moderno */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header/Hero Section */
.hero-section {
    background: var(--gradient-primary);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx=".5" cy=".5" r=".5"><stop offset="0" stop-color="%23ffffff" stop-opacity=".1"/><stop offset="1" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><rect width="100%" height="100%" fill="url(%23a)"/></svg>');
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* Cards Modernos */
.card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-tech);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* Botões Modernos */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Carousel Moderno */
.carousel {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.slide-bg {
    background: var(--gradient-primary);
    padding: 3rem 2rem;
    position: relative;
}

.carousel-item {
    text-align: center;
    min-height: 300px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-control-prev,
.carousel-control-next {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* Seções com Grid Moderno */
.grid {
    display: grid;
    gap: 2rem;
    margin: 4rem 0;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Footer Moderno */
footer {
    background: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
    padding: 3rem 0 2rem;
    margin-top: 6rem;
    text-align: center;
    color: var(--text-muted);
}

/* Botão Flutuante Modernizado */
.botao-topo-flutuante {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    color: white;
    font-size: 1.2rem;
}

.botao-topo-flutuante:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Estilos para Tabs/Abas */
.nav-pills .nav-link {
    background: transparent !important;
    border: 1px solid transparent !important;
    color: var(--text-secondary) !important;
    transition: var(--transition-normal) !important;
}

.nav-pills .nav-link:hover {
    background: rgba(99, 102, 241, 0.1) !important;
    border-color: rgba(99, 102, 241, 0.3) !important;
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.nav-pills .nav-link.active {
    background: var(--gradient-primary) !important;
    border: 1px solid var(--primary-color) !important;
    color: white !important;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.nav-pills .nav-link.active i {
    color: white !important;
}

.tab-content {
    animation: fadeInUp 0.5s ease-out;
}

.tab-pane {
    min-height: 400px;
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .hero-section {
        padding: 4rem 0;
    }

    .card {
        padding: 1.5rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Navbar Moderna */
.navbar {
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    padding: 1rem 0;
    transition: var(--transition-normal);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
}

.navbar-nav .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    margin: 0 0.25rem;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

.navbar-toggler {
    border: 1px solid var(--dark-border);
    background: var(--dark-surface);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

/* Hero Section Melhorada */
.hero-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 100%);
    border-bottom: 1px solid var(--dark-border);
    padding: 4rem 0;
}

/* Cards de Cursos Aprimorados */
.course-card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-tech);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.course-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.course-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.course-duration {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

/* Animações Staggered */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-up:nth-child(1) { animation-delay: 0s; }
.fade-in-up:nth-child(2) { animation-delay: 0.1s; }
.fade-in-up:nth-child(3) { animation-delay: 0.2s; }
.fade-in-up:nth-child(4) { animation-delay: 0.3s; }

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.py-5 { padding: 3rem 0; }
.py-4 { padding: 2rem 0; }
.py-3 { padding: 1.5rem 0; }

/* Carrossel Moderno */
.modern-carousel {
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    position: relative;
}

/* Indicadores modernos do carrossel */
.modern-indicators {
    bottom: 2rem !important;
    margin-bottom: 0 !important;
}

.modern-indicators button {
    width: 12px !important;
    height: 12px !important;
    border-radius: 50% !important;
    border: 2px solid rgba(255, 255, 255, 0.5) !important;
    background-color: transparent !important;
    margin: 0 6px !important;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.modern-indicators button.active,
.modern-indicators button:hover {
    background-color: white !important;
    opacity: 1;
    transform: scale(1.2);
    border-color: white !important;
}

/* Controles modernos do carrossel */
.modern-control {
    width: 50px !important;
    height: 50px !important;
    background: rgba(0, 0, 0, 0.5) !important;
    border-radius: 50% !important;
    border: 2px solid rgba(255, 255, 255, 0.3) !important;
    opacity: 0.8 !important;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
}

.modern-control:hover {
    opacity: 1 !important;
    background: rgba(0, 0, 0, 0.7) !important;
    border-color: rgba(255, 255, 255, 0.6) !important;
    transform: translateY(-50%) scale(1.1) !important;
}

.modern-control .carousel-control-prev-icon,
.modern-control .carousel-control-next-icon {
    width: 20px !important;
    height: 20px !important;
    filter: brightness(0) invert(1);
}

/* Altura mínima para os slides */
.min-vh-50 {
    min-height: 50vh;
}ative;
}

.carousel-card {
    background: linear-gradient(135deg, var(--dark-surface) 0%, var(--dark-bg) 100%);
    padding: 3rem 2rem;
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.carousel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-tech);
}

.carousel-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.3));
}

.carousel-card h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: 700;
}

.carousel-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 600px;
}

.carousel-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.tag {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition-fast);
}

.tag:hover {
    background: rgba(99, 102, 241, 0.2);
    transform: translateY(-1px);
}

.modern-control {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.modern-control:hover {
    background: rgba(99, 102, 241, 0.3);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
    color: white;
}

.modern-indicators {
    bottom: 20px;
}

.modern-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 6px;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.modern-indicators button.active {
    background: var(--primary-color);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    transform: scale(1.2);
}

.gradient-text {
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Botão Flutuante Melhorado */
.botao-topo-flutuante {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    color: white;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.botao-topo-flutuante:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-secondary);
}

.botao-topo-flutuante.show {
    display: flex !important;
    animation: fadeInUp 0.3s ease-out;
}

/* Cards com Melhor Contraste */
.card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-tech);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* Melhorar seções com fundo */
.bg-light {
    background: var(--dark-surface) !important;
    border: 1px solid var(--dark-border);
    border-radius: 1rem;
    color: var(--text-primary);
}

/* Code Highlighting Customization */
pre {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    overflow-x: auto;
    box-shadow: var(--shadow-md);
}

code {
    background: var(--dark-surface);
    color: var(--primary-color);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-family: 'Fira Code', 'Consolas', monospace;
}

/* Custom styles for the site */

/* ===================================== */
/* CORREÇÃO PARA O TEXTO BRANCO DO FAQ */
/* ===================================== */
.accordion-header .accordion-button strong {
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    -webkit-text-fill-color: initial !important;
    color: #ffffff !important;
}

/* ===================================== */
/* ESTILOS PARA ACORDEONS DAS AMOSTRAS */
/* ===================================== */

/* Acordeons Backend e Frontend */
#backendAccordion .accordion-item,
#frontendAccordion .accordion-item {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: 0.75rem !important;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    overflow: hidden;
}

#backendAccordion .accordion-item:hover,
#frontendAccordion .accordion-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

/* Headers dos acordeons */
#backendAccordion .accordion-header,
#frontendAccordion .accordion-header {
    border-radius: 0.75rem !important;
}

/* Botões dos acordeons */
#backendAccordion .accordion-button,
#frontendAccordion .accordion-button {
    /* ADICIONE ESTAS 3 LINHAS PARA RESETAR O EFEITO DE TEXTO GRADIENTE */
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    -webkit-text-fill-color: initial !important;
    
    background: var(--dark-surface) !important;
    color: var(--text-primary) !important;
    border: none !important;
    border-radius: 0.75rem !important;
    padding: 1.25rem 1.5rem !important;
    font-weight: 600 !important;
    font-size: 1.1rem !important;
    transition: var(--transition-normal) !important;
    position: relative;
    box-shadow: none !important;
}

#backendAccordion .accordion-button:focus,
#frontendAccordion .accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25) !important;
    border-color: var(--primary-color) !important;
}

#backendAccordion .accordion-button:not(.collapsed),
#frontendAccordion .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%) !important;
    color: white !important;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

#backendAccordion .accordion-button:hover,
#frontendAccordion .accordion-button:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(79, 70, 229, 0.1) 100%) !important;
    transform: translateX(4px);
}

#backendAccordion .accordion-button:not(.collapsed):hover,
#frontendAccordion .accordion-button:not(.collapsed):hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-color) 100%) !important;
    transform: translateX(0);
}

/* Ícones dos acordeons */
#backendAccordion .accordion-button i,
#frontendAccordion .accordion-button i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Ícones específicos por seção */
#backendAccordion .accordion-button .fa-cogs { color: #10b981; }
#backendAccordion .accordion-button .fa-database { color: #f59e0b; }
#backendAccordion .accordion-button .fa-filter { color: #8b5cf6; }
#backendAccordion .accordion-button .fa-spider { color: #ef4444; }
#backendAccordion .accordion-button .fa-code-branch { color: #06b6d4; }
#backendAccordion .accordion-button .fa-rocket { color: #f97316; }

#frontendAccordion .accordion-button .fa-angular { color: #dd1b16; }
#frontendAccordion .accordion-button .fa-code { color: #10b981; }
#frontendAccordion .accordion-button .fa-mouse-pointer { color: #f59e0b; }
#frontendAccordion .accordion-button .fa-route { color: #8b5cf6; }
#frontendAccordion .accordion-button .fa-server { color: #06b6d4; }

/* Conteúdo dos acordeons */
#backendAccordion .accordion-body,
#frontendAccordion .accordion-body {
    background: var(--dark-bg) !important;
    padding: 1.5rem !important;
    border-top: 1px solid var(--dark-border);
}

/* Listas dentro dos acordeons */
#backendAccordion .list-group-item,
#frontendAccordion .list-group-item {
    background: transparent !important;
    border: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding: 0.75rem 0 !important;
    color: var(--text-secondary) !important;
    transition: var(--transition-fast) !important;
}

#backendAccordion .list-group-item:hover,
#frontendAccordion .list-group-item:hover {
    background: rgba(99, 102, 241, 0.05) !important;
    border-radius: 0.375rem !important;
    padding-left: 0.5rem !important;
    transform: translateX(4px);
}

#backendAccordion .list-group-item:last-child,
#frontendAccordion .list-group-item:last-child {
    border-bottom: none !important;
}

/* Links dentro das listas */
#backendAccordion .list-group-item .estilo-link-udemy,
#frontendAccordion .list-group-item .estilo-link-udemy {
    color: var(--primary-color) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    transition: var(--transition-fast) !important;
    display: flex !important;
    align-items: center !important;
}

#backendAccordion .list-group-item .estilo-link-udemy:hover,
#frontendAccordion .list-group-item .estilo-link-udemy:hover {
    color: white !important;
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5) !important;
    transform: translateX(4px) !important;
}

/* Efeito de borda gradiente para acordeons expandidos */
#backendAccordion .accordion-item:has(.accordion-button:not(.collapsed)),
#frontendAccordion .accordion-item:has(.accordion-button:not(.collapsed)) {
    position: relative;
}

#backendAccordion .accordion-item:has(.accordion-button:not(.collapsed))::before,
#frontendAccordion .accordion-item:has(.accordion-button:not(.collapsed))::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-tech);
    border-radius: 0.75rem 0.75rem 0 0;
    z-index: 1;
}

/* Animação suave para o colapso */
#backendAccordion .accordion-collapse,
#frontendAccordion .accordion-collapse {
    transition: var(--transition-normal) !important;
}

/* Responsividade */
@media (max-width: 768px) {
    #backendAccordion .accordion-button,
    #frontendAccordion .accordion-button {
        padding: 1rem !important;
        font-size: 1rem !important;
    }
    
    #backendAccordion .accordion-button i,
    #frontendAccordion .accordion-button i {
        margin-right: 0.5rem;
        font-size: 1rem;
    }
    
    #backendAccordion .accordion-body,
    #frontendAccordion .accordion-body {
        padding: 1rem !important;
    }
}