:root {
    --primary-color: #00ffe1;
    --primary-dark: #00d4b8;
    --secondary-color: #6c757d;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --black: #000000;
}

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--black);
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--black);
    transform: translateY(-1px);
}

.btn-outline-dark {
    color: var(--black);
    border-color: #f0f0f0;
    background-color: #f0f0f0;
    transition: all 0.3s ease;
}

.btn-outline-dark:hover {
    background-color: var(--black);
    border-color: var(--black);
    color: var(--white);
}
.text-muted {
    --bs-text-opacity: 1;
    color: #198754 !important;
}
.text-primary {
    color: var(--primary-color) !important;
}

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

.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    color: var(--black) !important;
}

.logo-container {
    width: 32px;
    height: 32px;
    background-color: var(--black);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-container i {
    color: var(--primary-color) !important;
    font-size: 1.2rem;
}

.nav-link {
    color: var(--black) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.product-badge {
    background-color: var(--white);
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--black);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.product-badge:hover {
    transform: translateY(-2px);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

.display-4 {
    font-size: 4rem;
    font-weight: 400;
    line-height: 1.1;
}

@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }
}

.demo-interface {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    min-height: 400px;
}

.demo-nav-item {
    color: #bdc3c7;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.demo-nav-item:hover,
.demo-nav-item.active {
    background-color: var(--primary-color);
    color: var(--black);
}

.feature-card {
    background: var(--white);
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

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

.accordion-button {
    background-color: var(--white);
    color: var(--black);
    font-weight: 500;
    border: none;
    box-shadow: none;
}

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

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

.accordion-item {
    border: 1px solid #e9ecef;
    margin-bottom: 0.5rem;
    border-radius: 8px !important;
    overflow: hidden;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 255, 225, 0.25);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 255, 225, 0.25);
}

.pricing-card {
    background: var(--white);
    border-radius: 16px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: "Best Value";
    position: absolute;
    top: 20px;
    right: -30px;
    background-color: #ffc107;
    color: var(--black);
    padding: 5px 40px;
    font-size: 0.8rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--black);
}

.price-period {
    font-size: 1rem;
    color: var(--secondary-color);
    font-weight: 400;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
}

.feature-list li i {
    color: var(--primary-color);
    margin-right: 0.75rem;
    width: 16px;
}

.contact-form {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.alert-success {
    background-color: rgba(0, 255, 225, 0.1);
    border-color: var(--primary-color);
    color: var(--black);
}

footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}

.btn-light:hover {
    background-color: #e2e6ea;
    border-color: #dae0e5;
}

@media (max-width: 768px) {
    .pricing-card.featured {
        transform: none;
    }
    
    .demo-interface {
        min-height: 300px;
    }
    
    .feature-card {
        margin-bottom: 2rem;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}