:root {
    /* Cores principais */
    --primary: #E53935;
    --primary-dark: #C62828;
    --primary-light: #FFCDD2;
    --secondary: #FF9800;
    --secondary-dark: #F57C00;
    --secondary-light: #FFE0B2;
    --accent: #4CAF50;
    --accent-dark: #388E3C;
    --accent-light: #C8E6C9;
    
    /* Cores neutras */
    --dark: #212121;
    --medium: #757575;
    --light: #BDBDBD;
    --bg-light: #F5F5F5;
    --white: #FFFFFF;
    
    /* Cores de estado */
    --success: #43A047;
    --warning: #FFA000;
    --error: #D32F2F;
    
    /* Espaçamento base */
    --spacing: 8px;
}

/* Estilos Gerais */
body {
    font-family: 'Arial', sans-serif;
    color: var(--dark);
    line-height: 1.5;
    overflow-x: hidden;
    background-color: #f8f9fa;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

.text-primary {
    color: var(--primary) !important;
}

.bg-primary {
    background-color: var(--primary) !important;
}

.bg-light {
    background-color: var(--bg-light) !important;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
    transition: all 0.3s ease;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.2);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
    transition: all 0.3s ease;
}

.btn-outline-primary:hover, .btn-outline-primary:focus {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.2);
}

.btn-lg {
    padding: 12px 24px;
}

.section-padding {
    padding: calc(var(--spacing) * 10) 0;
}

.section-title {
    margin-bottom: calc(var(--spacing) * 6);
}

.section-title h2 {
    position: relative;
    margin-bottom: calc(var(--spacing) * 2);
    padding-bottom: calc(var(--spacing) * 2);
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary);
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(calc(var(--spacing) * 2));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* .fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
} */

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

/* Header */
#header {
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: calc(var(--spacing) * 2) 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand img {
    max-height: 40px;
}

.navbar-brand {
    font-weight: bold;
}

.navbar-light .navbar-nav .nav-link {
    color: var(--dark);
    font-weight: 500;
    padding-left: calc(var(--spacing) * 2);
    padding-right: calc(var(--spacing) * 2);
    transition: color 0.3s ease;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link:focus {
    color: var(--primary);
}

.btn-login {
    color: var(--primary) !important;
    font-weight: 600 !important;
}

/* Hero Section */
.hero {
    padding: calc(var(--spacing) * 20) 0 calc(var(--spacing) * 10);
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background-color: var(--primary-light);
    border-radius: 50%;
    opacity: 0.2;
    z-index: 0;
}

.hero:after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background-color: var(--secondary-light);
    border-radius: 50%;
    opacity: 0.2;
    z-index: 0;
}

.hero-text {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: calc(var(--spacing) * 3);
}

.hero-image {
    position: relative;
    z-index: 1;
}

.hero-image img {
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.5s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
}

.hero-stats {
    margin-top: calc(var(--spacing) * 5);
}

.stat-item {
    text-align: center;
    padding: calc(var(--spacing) * 2);
}

.stat-item h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: calc(var(--spacing));
    font-weight: 700;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--medium);
    margin: 0;
}

/* Demo Cards */
.demo-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
}

.demo-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.demo-img {
    overflow: hidden;
    height: 180px;
}

.demo-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.demo-card:hover .demo-img img {
    transform: scale(1.1);
}

.demo-body {
    padding: calc(var(--spacing) * 3);
}

.demo-body h4 {
    color: var(--dark);
    margin-bottom: calc(var(--spacing) * 2);
    font-weight: 600;
}

.demo-body p {
    color: var(--medium);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Feature Cards */
.feature-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: calc(var(--spacing) * 4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    margin-bottom: calc(var(--spacing) * 3);
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    background-color: var(--primary);
    color: var(--white);
    transform: rotateY(180deg);
}

.feature-card h4 {
    margin-bottom: calc(var(--spacing) * 2);
    font-weight: 600;
}

.feature-card p {
    color: var(--medium);
    margin-bottom: 0;
}

/* Pricing Cards */
.pricing-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular {
    border: 2px solid var(--accent);
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--accent);
    color: white;
    padding: calc(var(--spacing)) calc(var(--spacing) * 2);
    font-size: 0.8rem;
    font-weight: 600;
    border-bottom-left-radius: 10px;
}

.pricing-header {
    padding: calc(var(--spacing) * 4);
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-header h3 {
    font-weight: 600;
    margin-bottom: calc(var(--spacing) * 2);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: calc(var(--spacing));
}

.currency {
    font-size: 1.2rem;
    font-weight: 600;
    margin-right: 4px;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--medium);
    margin-left: 4px;
}

.discount {
    display: inline-block;
    background-color: var(--accent-light);
    color: var(--accent-dark);
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: calc(var(--spacing));
}

.pricing-body {
    padding: calc(var(--spacing) * 4);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 calc(var(--spacing) * 4) 0;
}

.pricing-features li {
    margin-bottom: calc(var(--spacing) * 2);
    font-size: 0.95rem;
    color: var(--dark);
}

.pricing-features li i {
    margin-right: calc(var(--spacing));
    color: var(--accent);
}

.pricing-features li.disabled {
    color: var(--light);
}

.pricing-features li.disabled i {
    color: var(--error);
}

.btn-block {
    display: block;
    width: 100%;
}

/* FAQ Section */
.accordion-item {
    border: none;
    margin-bottom: calc(var(--spacing) * 2);
    border-radius: 8px !important;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.accordion-button {
    font-weight: 600;
    padding: calc(var(--spacing) * 3) calc(var(--spacing) * 3);
    background-color: var(--white);
    color: var(--dark);
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background-color: var(--white);
    color: var(--primary);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0, 0, 0, 0.1);
}

.accordion-button::after {
    background-size: 16px;
    transition: transform 0.3s ease;
}

.accordion-body {
    padding: calc(var(--spacing) * 3) calc(var(--spacing) * 3);
    color: var(--medium);
}

/* CTA Section */
.cta-section {
    background-color: var(--primary);
    color: white;
    padding: calc(var(--spacing) * 12) 0;
    position: relative;
    overflow: hidden;
}

.cta-section:before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.cta-section:after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.cta-section h2 {
    font-weight: 700;
}

.cta-section .btn-primary {
    background-color: var(--white);
    border-color: var(--white);
    color: var(--primary);
}

.cta-section .btn-primary:hover {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
}

/* Footer */
.footer {
    background-color: var(--dark);
    color: var(--light);
    padding: calc(var(--spacing) * 10) 0 calc(var(--spacing) * 5);
}

.footer-logo {
    margin-bottom: calc(var(--spacing) * 3);
}

.footer h5 {
    color: var(--white);
    margin-bottom: calc(var(--spacing) * 3);
    font-weight: 600;
    font-size: 1.1rem;
}

.footer-links, .contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li, .contact-info li {
    margin-bottom: calc(var(--spacing) * 2);
}

.footer-links a {
    color: var(--light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
    text-decoration: none;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
}

.contact-info li i {
    margin-right: calc(var(--spacing));
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: calc(var(--spacing) * 2);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.newsletter-form .input-group {
    overflow: hidden;
    border-radius: 30px;
}

.newsletter-form .form-control {
    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;
    border: none;
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 2.5);
}

.newsletter-form .btn {
    border-top-right-radius: 30px;
    border-bottom-right-radius: 30px;
    padding-left: calc(var(--spacing) * 3);
    padding-right: calc(var(--spacing) * 3);
}

hr {
    margin: calc(var(--spacing) * 4) 0;
    background-color: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.copyright {
    margin-bottom: 0;
}

.footer-bottom-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: flex-end;
    gap: calc(var(--spacing) * 3);
}

.footer-bottom-links a {
    color: var(--light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: var(--white);
}

/* Responsive */
@media (max-width: 991.98px) {
    .hero {
        padding: calc(var(--spacing) * 15) 0 calc(var(--spacing) * 8);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        margin-top: calc(var(--spacing) * 5);
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 767.98px) {
    .section-padding {
        padding: calc(var(--spacing) * 8) 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .footer-bottom-links {
        justify-content: flex-start;
        margin-top: calc(var(--spacing));
    }
}

/* Estilos do conteúdo principal */
.container {
    padding: 20px;
}

/* Estilos para formulários */
.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13,110,253,0.25);
}

/* Estilos para cards */
.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

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