:root {
    --brand-primary: #E6A502;
    --brand-primary-light: #FFD54F;
    --brand-primary-dark: #FFA000;
    --brand-secondary: #6C63FF;
    --brand-secondary-light: #8B84FF;
    --brand-secondary-dark: #4B44CC;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #E6A502 0%, #FFD700 100%);
    --gradient-hero: linear-gradient(135deg, #f5f7fa 0%, #e8eef5 100%);
    --dark: #1A1A2E;
    --dark-light: #2D2D44;
    --gray-dark: #4A4A4A;
    --gray: #6C757D;
    --gray-light: #E0E0E0;
    --gray-lighter: #F0F0F0;
    --light: #F8F9FA;
    --white: #FFFFFF;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-fast: all 0.2s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
}

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

body {
    font-family: 'Ubuntu', 'Roboto', sans-serif;
    overflow-x: hidden;
    background: var(--white);
    color: var(--dark);
    line-height: 1.6;
}

section {
    position: relative;
    z-index: 2;
}

.py-5 {
    padding-top: 80px !important;
    padding-bottom: 80px !important;
}

/* ==========================================
   ANIMAÇÕES
   ========================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px); 
    }
    50% { 
        transform: translateY(-20px); 
    }
}

@keyframes rotate360 {
    from { 
        transform: rotate(0deg); 
    }
    to { 
        transform: rotate(360deg); 
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================
   CLASSES DE ANIMAÇÃO
   ========================================== */

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

.scale-in {
    animation: scaleIn 0.6s ease-out;
}

.slide-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-smooth);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   UTILITÁRIOS DE ESPAÇAMENTO
   ========================================== */

.mb-section {
    margin-bottom: 80px;
}

.mt-section {
    margin-top: 80px;
}

/* ==========================================
   BACKGROUNDS
   ========================================== */

.bg-light-section {
    background: var(--light);
}

.bg-white-section {
    background: var(--white);
}

.bg-gradient-section {
    background: var(--gradient-primary);
    color: var(--white);
}

/* ==========================================
   TEXTOS COM GRADIENTE
   ========================================== */

.text-gradient-primary {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-secondary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================
   BOTÕES
   ========================================== */

.btn {
    padding: 14px 32px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
    border: none;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: var(--dark);
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.4);
    color: var(--dark);
}

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

.btn-secondary:hover {
    background: var(--dark);
    color: var(--white);
}

.btn-warning {
    background: var(--brand-primary);
    color: var(--dark);
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
}

.btn-warning:hover {
    background: var(--brand-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.4);
    color: var(--dark);
}

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

.btn-dark:hover {
    background: var(--dark-light);
    transform: translateY(-3px);
    color: var(--white);
}

.btn-light {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--gray-light);
}

.btn-light:hover {
    background: var(--light);
    border-color: var(--brand-primary);
    transform: translateY(-2px);
    color: var(--dark);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4);
    color: var(--white);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
}

.btn-outline-primary:hover {
    background: #667eea;
    color: var(--white);
}

/* ==========================================
   CARDS
   ========================================== */

.card {
    transition: var(--transition-smooth);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   COURSE CARDS
   ========================================== */

.course-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
    border: 2px solid var(--gray-lighter);
    animation: fadeInUp 0.6s ease-out both;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--brand-primary);
}

.course-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.course-card-body {
    padding: 30px;
    position: relative;
}

.course-card-body::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: var(--transition-smooth);
}

.course-card:hover .course-card-body::before {
    opacity: 1;
    top: -10px;
}

/* ==========================================
   DIVISORES
   ========================================== */

.divider-yellow {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    position: relative;
    animation: fadeInLeft 0.6s ease-out;
}

.divider-yellow::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 4px;
    background: var(--gradient-primary);
    right: -30px;
    border-radius: var(--radius-sm);
}

/* ==========================================
   NAVBAR
   ========================================== */

.navbar {
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    background: rgba(26, 26, 46, 0.95) !important;
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(26, 26, 46, 1) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    transition: var(--transition-smooth);
    font-weight: 700;
}

.navbar-brand:hover {
    transform: scale(1.05);
    color: var(--brand-primary) !important;
}

.nav-link {
    position: relative;
    transition: var(--transition-smooth);
    font-weight: 500;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--gradient-secondary);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
    border-radius: var(--radius-sm);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* ==========================================
   FEATURE ICONS
   ========================================== */

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition-bounce);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--dark);
}

.feature-card:hover .feature-icon {
    animation: rotate360 0.6s ease-in-out;
}

/* ==========================================
   COUNTER ICONS
   ========================================== */

.counter-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #E6A502 0%, #FFD700 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-bounce);
    flex-shrink: 0;
}

.counter-icon i {
    font-size: 1.5rem;
    color: var(--dark);
}

.counter-box:hover .counter-icon {
    transform: rotate(360deg);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero-section {
    padding: 120px 0 80px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    top: -300px;
    right: -200px;
    animation: pulse 8s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 193, 7, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -200px;
    left: -100px;
    animation: pulse 10s ease-in-out infinite;
}

.hero-subtitle {
    color: var(--gray);
    font-weight: 400;
    font-size: 1.1rem;
    animation: fadeInLeft 0.8s ease-out 0.2s both;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    animation: fadeInLeft 1s ease-out 0.4s both;
    position: relative;
    z-index: 2;
}

.hero-title.text-success {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title.text-gradient-secondary {
    background: var(--gradient-primary) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

/* ==========================================
   PROFILE OVALS
   ========================================== */

.profile-oval {
    width: 180px;
    height: 350px;
    border-radius: 90px;
    position: relative;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.oval-green {
    background: var(--gradient-secondary);
    animation: fadeInUp 0.8s ease-out 0.3s both, float 6s ease-in-out infinite;
}

.oval-yellow {
    background: var(--gradient-secondary);
    animation: fadeInUp 0.8s ease-out 0.5s both, float 6s ease-in-out 1s infinite;
}

.oval-blue {
    background: var(--gradient-primary);
    animation: fadeInUp 0.8s ease-out 0.7s both, float 6s ease-in-out 2s infinite;
}

.profile-oval:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

.features-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
}

.features-section .divider-yellow {
    background: white !important;
    background-image: none !important;
}

.features-section .divider-yellow::after {
    background: white !important;
    background-image: none !important;
}

.feature-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.6s ease-out both;
    position: relative;
    z-index: 1;
}

.feature-card:nth-child(1) {
    animation-delay: 0.1s;
}

.feature-card:nth-child(2) {
    animation-delay: 0.3s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.5s;
}

.feature-card:hover {
    transform: translateY(-15px);
    background: rgba(255, 255, 255, 0.18);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

/* ==========================================
   NUMBERS SECTION
   ========================================== */

.numbers-section {
    padding: 100px 0 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
}

.numbers-section .divider-yellow {
    background: white !important;
    background-image: none !important;
}

.numbers-section .divider-yellow::after {
    background: white !important;
    background-image: none !important;
}

.counter-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: scaleIn 0.6s ease-out both;
    min-height: 200px;
}

.counter-box:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.counter-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.counter-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 5px;
}

/* ==========================================
   PRICING CARDS
   ========================================== */

.pricing-card {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(20px) !important;
    border-radius: var(--radius-xl);
    padding: 50px 30px;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out both;
    border: 2px solid rgba(230, 165, 2, 0.3) !important;
    transform-style: preserve-3d;
}

.pricing-card.featured {
    background: rgba(230, 165, 2, 0.95) !important;
    border: 3px solid var(--brand-primary-dark) !important;
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(230, 165, 2, 0.5) !important;
}

.pricing-card h4 {
    color: var(--dark) !important;
    font-weight: 700 !important;
}

.pricing-card p {
    color: var(--gray-dark) !important;
}

.pricing-card.featured h4 {
    color: var(--dark) !important;
    font-weight: 700 !important;
}

.pricing-card.featured p {
    color: var(--dark) !important;
}

.pricing-price-container {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 15px !important;
    margin-bottom: 25px !important;
    flex-wrap: wrap !important;
}

.pricing-price-container .pricing-price {
    margin-bottom: 0 !important;
    margin-top: 0 !important;
    font-size: 3.5rem !important;
    line-height: 1 !important;
}

.pricing-price-container .pricing-badge {
    margin-bottom: 0 !important;
    margin-top: 0 !important;
}

.pricing-price {
    font-size: 3.5rem !important;
    font-weight: 700 !important;
    background: var(--gradient-secondary) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    display: inline-block !important;
}

.pricing-card.featured .pricing-price {
    color: var(--dark) !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: var(--dark) !important;
}

.pricing-badge {
    display: inline-block !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-full) !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    background: var(--white) !important;
    color: var(--dark) !important;
    margin-bottom: 20px !important;
    border: 2px solid var(--gray-light) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    white-space: nowrap !important;
}

.pricing-card.featured .pricing-price-container .pricing-badge {
    background: var(--white) !important;
    color: var(--dark) !important;
    border: 2px solid var(--dark) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.pricing-card .divider-line {
    height: 3px !important;
    background: var(--gradient-secondary) !important;
    width: 120px !important;
    margin: 0 auto 20px !important;
    border-radius: var(--radius-sm) !important;
}

.pricing-card.featured .divider-line {
    background: var(--dark) !important;
}

.pricing-card .btn-primary,
.pricing-card .btn-warning {
    background: var(--gradient-secondary) !important;
    color: var(--dark) !important;
    border: none !important;
}

.pricing-card.featured .btn-dark {
    background: var(--dark) !important;
    color: var(--white) !important;
    border: none !important;
}

.pricing-card.featured .btn-dark:hover {
    background: var(--dark-light) !important;
}

.pricing-card:hover {
    background: rgba(255, 255, 255, 0.95) !important;
    border-color: var(--brand-primary) !important;
    box-shadow: 0 12px 40px rgba(230, 165, 2, 0.4) !important;
}

.pricing-card.featured:hover {
    background: var(--brand-primary) !important;
    box-shadow: 0 16px 50px rgba(230, 165, 2, 0.6) !important;
}

.pricing-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(255, 255, 255, 0.08) 0%,
            transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: var(--radius-xl);
    z-index: 1;
}

.pricing-card:hover::after {
    opacity: 1;
}

.pricing-card.featured::after {
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(0, 0, 0, 0.1) 0%,
            transparent 50%);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(230, 165, 2, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
    z-index: 0;
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card.featured::before {
    background: radial-gradient(circle, rgba(0, 0, 0, 0.08) 0%, transparent 70%);
}

.pricing-card > * {
    position: relative !important;
    z-index: 2 !important;
}

.pricing-card:hover,
.pricing-card.featured:hover {
    transform: none !important;
}

.pricing-card[style*="transform"] {
    transform-style: preserve-3d !important;
}

.pricing-card * {
    transform-style: preserve-3d;
}

/* ==========================================
   ACCORDION
   ========================================== */

.accordion-button {
    font-weight: 600;
    background: var(--white);
    color: var(--dark);
    padding: 20px 25px;
    font-size: 1.05rem;
    border: none;
    transition: var(--transition-smooth);
}

.accordion-button:not(.collapsed) {
    background: var(--gradient-secondary);
    color: var(--dark);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--brand-primary);
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    transition: var(--transition-smooth);
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(-180deg);
}

.accordion-body {
    padding: 25px;
    color: var(--gray-dark);
    line-height: 1.8;
    background: var(--white);
}

.accordion-item {
    border: none !important;
    overflow: hidden;
}

.accordion-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md) !important;
}

/* ==========================================
   BADGES
   ========================================== */

.badge.bg-success {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: var(--white) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #2D2D44 0%, #4A4A4A 100%) !important;
    color: var(--white) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.badge.bg-warning {
    background: var(--gradient-secondary) !important;
    color: var(--dark) !important;
}

/* ==========================================
   SKELETON LOADERS
   ========================================== */

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 20px;
    margin-bottom: 10px;
}

.skeleton-title {
    height: 30px;
    width: 60%;
    margin-bottom: 15px;
}

.skeleton-card {
    height: 300px;
}

/* ==========================================
   TOASTS
   ========================================== */

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    animation: fadeInUp 0.4s ease-out;
    max-width: 350px;
}

.toast.toast-success {
    border-left: 4px solid #28a745;
}

.toast.toast-error {
    border-left: 4px solid #dc3545;
}

.toast.toast-info {
    border-left: 4px solid #17a2b8;
}

/* ==========================================
   EMPTY STATE
   ========================================== */

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    animation: pulse 2s ease-in-out infinite;
}

.empty-state-icon i {
    font-size: 60px;
    color: var(--white);
}

/* ==========================================
   LOADING SPINNER
   ========================================== */

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-light);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ==========================================
   MENSAGENS DO SISTEMA - ESTILO UNIFICADO
   ========================================== */

.alert {
    border-radius: 12px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
    padding: 1rem 1.5rem !important;
    margin-bottom: 1rem !important;
    border: none !important;
}

.alert-success,
.alert-info,
.alert-warning,
.alert-error,
.alert-danger {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-left: 4px solid #764ba2 !important;
}

.alert i {
    color: white !important;
}

.alert .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.alert .btn-close:hover {
    opacity: 1;
}

.alert {
    animation: slideInDown 0.4s ease-out;
}

/* ==========================================
   PROGRESS BAR
   ========================================== */

.progress-bar-custom {
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--gray-lighter);
    overflow: hidden;
    position: relative;
}

.progress-bar-custom .progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar-custom .progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* ==========================================
   ESPAÇAMENTO MELHORADO PARA TÍTULOS
   ========================================== */

.lesson-content-text h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1A1A2E;
    margin-top: 60px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #E6A502;
    display: flex;
    align-items: center;
    gap: 15px;
}

.lesson-content-text h1:first-child {
    margin-top: 0;
}

.lesson-content-text h1::before {
    content: '';
    font-size: 2rem;
}

.lesson-content-text h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1A1A2E;
    margin-top: 50px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 15px;
    border-left: 5px solid #E6A502;
}

.lesson-content-text h2::before {
    content: '';
    font-size: 1.5rem;
}

.lesson-content-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1A1A2E;
    margin-top: 35px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.lesson-content-text h3::before {
    content: '';
    color: #E6A502;
    font-size: 1.8rem;
    font-weight: 700;
}

.lesson-content-text h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #4A4A4A;
    margin-top: 30px;
    margin-bottom: 15px;
    padding-left: 25px;
    border-left: 3px solid #E6A502;
}

.lesson-content-text h5 {
    font-size: 1.15rem;
    font-weight: 600;
    color: #6C757D;
    margin-top: 25px;
    margin-bottom: 12px;
}

.lesson-content-text h6 {
    font-size: 1rem;
    font-weight: 600;
    color: #6C757D;
    margin-top: 20px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Espaçamento entre seções */
.lesson-content-text hr {
    border: none;
    border-top: 3px solid #1A1A2E;
    margin: 50px 0;
}

/* ==========================================
   BLOCOS DE CÓDIGO - SEM BADGE DE LINGUAGEM
   ========================================== */

.code-block-wrapper {
    position: relative;
    margin: 20px 0;
    border-radius: 12px;
    overflow: visible;
}

.lesson-content-text pre {
    background: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 100%);
    color: #E0E0E0;
    padding: 15px 25px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 0 0 24px 0;
    border-left: 5px solid #E6A502;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    font-family: 'Courier New', Consolas, monospace;
}

.lesson-content-text pre code {
    background: none;
    color: #E0E0E0;
    padding: 0;
    border: none;
    font-size: 0.95em;
    display: block;
    line-height: 1.6;
    font-family: inherit;
}

.code-language-badge {
    display: none !important;
}

/* ==========================================
   PARÁGRAFOS E TEXTO
   ========================================== */

.lesson-content-text p {
    margin-bottom: 22px;
    line-height: 1.8;
}

.lesson-content-text strong {
    font-weight: 700;
    color: #1A1A2E;
}

/* ==========================================
   LISTAS
   ========================================== */

.lesson-content-text ul,
.lesson-content-text ol {
    margin: 25px 0;
    padding-left: 30px;
}

.lesson-content-text ul li,
.lesson-content-text ol li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.lesson-content-text ul li {
    list-style-type: none;
    position: relative;
    padding-left: 10px;
}

.lesson-content-text ul li::before {
    content: '▪';
    color: #667eea;
    font-size: 1.3rem;
    position: absolute;
    left: -20px;
    top: -2px;
}

/* ==========================================
   PERFORMANCE OPTIMIZATION
   ========================================== */

.hero-section,
.features-section,
.numbers-section,
.course-card,
.feature-card,
.pricing-card {
    will-change: transform;
    transform: translateZ(0);
}