/**
 * Landing Page Styles
 * Professional landing page for SubContract SaaS
 */

/* Global Styles */
:root {
    --primary-color: #1e3c72;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --light-bg: #f8f9fa;
}

* {
    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: #333;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-color) !important;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    color: #6c757d !important;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem !important;
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    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 width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="%23667eea" opacity="0.1"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

.hero-content h1 {
    font-weight: 700;
    line-height: 1.2;
}

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

/* Features Section */
.features-section {
    position: relative;
}

.feature-card {
    transition: all 0.3s ease;
    border-radius: 1rem;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1) !important;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

/* Pricing Section */
.pricing-section {
    background: white;
}

.billing-label {
    font-weight: 500;
    color: #6c757d;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.pricing-card {
    border-radius: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
}

.pricing-card.featured {
    border: 2px solid #667eea;
    transform: scale(1.05);
}

.pricing-card.featured .card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--success-color);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: #1e3c72;
}

.price-period {
    font-size: 1rem;
    color: #6c757d;
}

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

.feature-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list i {
    color: var(--success-color);
    margin-right: 0.5rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

/* Footer */
.footer {
    background: #1a1a2e;
}

.footer a {
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #667eea !important;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive */
@media (max-width: 991px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .navbar-nav {
        padding: 1rem 0;
    }

    .nav-item {
        margin: 0.5rem 0;
    }
}

@media (max-width: 767px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .price-amount {
        font-size: 2.5rem;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
    }

    .feature-icon i {
        font-size: 1.5rem;
    }
}

/* Loading State */
.pricing-card-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}