:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --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);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    padding-top: 76px;
}

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

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

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

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: 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="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.1;
}

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

.hero-image-container img {
    transition: transform 0.3s ease;
}

.hero-image-container:hover img {
    transform: scale(1.05);
}

.feature-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.process-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.process-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.process-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.feature-item i {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.social-platform-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.social-platform-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.social-platform-card i {
    font-size: 3rem;
    color: white;
}

.pricing-preview-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.pricing-preview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.pricing-preview-card.featured {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.05);
}

.pricing-preview-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.price-display {
    margin: 1.5rem 0;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    display: block;
}

.period {
    font-size: 1rem;
    opacity: 0.7;
}

.contact-info p {
    color: #d1d5db;
}

.contact-info i {
    color: var(--primary-color);
}

.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.pricing-card {
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    position: relative;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.pricing-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
}

.pricing-body {
    padding: 0 2rem 2rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
}

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

.pricing-features li i {
    color: var(--secondary-color);
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.alert-success {
    background-color: #d1fae5;
    border-color: #a7f3d0;
    color: #065f46;
    border-radius: 0.5rem;
}

@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .pricing-preview-card.featured {
        transform: none;
    }
    
    .pricing-preview-card.featured:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 576px) {
    .feature-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .process-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .social-platform-card i {
        font-size: 2rem;
    }
    
    .price {
        font-size: 2.5rem;
    }
}

.smooth-scroll {
    scroll-behavior: smooth;
}

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

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

.loading {
    opacity: 0.7;
    pointer-events: none;
}

.btn-loading {
    position: relative;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}