:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    transition: var(--transition);
    scroll-behavior: smooth;
}

/* Dark Theme Styles */
[data-bs-theme="dark"] {
    --bs-body-bg: #0a0e27;
    --bs-body-color: #ffffff;
    --bs-secondary-bg: #1a1f3a;
    --bs-tertiary-bg: #2d3748;
}

[data-bs-theme="dark"] .bg-light {
    background-color: var(--bs-secondary-bg) !important;
}

[data-bs-theme="dark"] .navbar-dark {
    background: linear-gradient(135deg, #1a1f3a 0%, #2d3748 100%) !important;
    backdrop-filter: blur(10px);
}

[data-bs-theme="dark"] .feature-card,
[data-bs-theme="dark"] .advantage-card,
[data-bs-theme="dark"] .step-card,
[data-bs-theme="dark"] .testimonial-card,
[data-bs-theme="dark"] .pricing-card,
[data-bs-theme="dark"] .contact-info {
    background: linear-gradient(180deg, var(--bs-secondary-bg) 0%, rgba(26, 31, 58, 0.95) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-bs-theme="dark"] .pricing-card .card-body {
    background: linear-gradient(180deg, var(--bs-secondary-bg) 0%, rgba(26, 31, 58, 0.8) 100%);
}

[data-bs-theme="dark"] .pricing-card.popular {
    background: linear-gradient(var(--bs-secondary-bg), var(--bs-secondary-bg)) padding-box,
                linear-gradient(135deg, #667eea, #764ba2, #f093fb) border-box;
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.2);
}

[data-bs-theme="dark"] .pricing-card .card-body li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

[data-bs-theme="dark"] .signup-form {
    background: var(--bs-secondary-bg) !important;
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .signup-form h4 {
    color: var(--bs-body-color) !important;
}

[data-bs-theme="dark"] .form-check-label {
    color: var(--bs-body-color) !important;
}

[data-bs-theme="dark"] .partner-logo {
    background: var(--bs-secondary-bg) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}



.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

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

.hero-content h1 {
    margin-bottom: 2rem;
    line-height: 1.2;
}

.hero-content .lead {
    margin-bottom: 2.5rem;
    font-size: 1.25rem;
    opacity: 0.95;
}

.hero-content .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    margin-right: 1rem;
    margin-bottom: 1rem;
}

.hero-stats {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stats .col-4 {
    padding: 1rem;
}

.hero-stats h4 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero-stats small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.placeholder-image {
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    margin: 2rem 0;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(1deg); }
    66% { transform: translateY(5px) rotate(-1deg); }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slide-in {
    animation: slideInLeft 1s ease-out;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* Cards */
.feature-card,
.advantage-card,
.step-card,
.testimonial-card,
.contact-info {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover,
.advantage-card:hover,
.step-card:hover,
.contact-info:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.testimonial-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

/* Step Cards */
.step-card {
    position: relative;
    padding: 2rem;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Pricing Cards */
.pricing-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    backdrop-filter: blur(10px);
}

.pricing-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.pricing-card.popular {
    border: 3px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #667eea, #764ba2, #f093fb) border-box;
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.3);
}

.pricing-card.popular:hover {
    transform: scale(1.07) translateY(-15px);
    box-shadow: 0 25px 70px rgba(102, 126, 234, 0.4);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 45px;
    font-size: 0.85rem;
    font-weight: bold;
    transform: rotate(45deg);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    z-index: 10;
}

.pricing-card .card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.pricing-card .card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

.pricing-card .card-header h5 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price {
    margin-top: 1.5rem;
    position: relative;
}

.price .currency {
    font-size: 1.5rem;
    vertical-align: top;
    font-weight: 600;
}

.price .amount {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.price .period {
    font-size: 1rem;
    opacity: 0.9;
    display: block;
    font-weight: 500;
    margin-top: 0.5rem;
}

.pricing-card .card-body {
    padding: 2.5rem 2rem;
    background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(248,250,255,1) 100%);
}

.pricing-card .card-body ul {
    margin-bottom: 2rem;
}

.pricing-card .card-body li {
    padding: 0.75rem 0;
    font-size: 1.1rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-card .card-body li:last-child {
    border-bottom: none;
}

.pricing-card .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.pricing-card .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.pricing-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

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

.pricing-card .btn-outline-primary:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

/* Testimonials */
.testimonial-card {
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: white;
}

.avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.stars i {
    margin: 0 2px;
}

/* Forms */
.signup-form {
    box-shadow: var(--shadow-heavy);
}

.form-control {
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 12px 16px;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 500;
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
}

/* Partnership logos */
.partner-logo {
    transition: var(--transition);
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a1f3a 0%, #2d3748 100%) !important;
}

footer a {
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-color) !important;
    transform: translateX(5px);
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

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

/* Accordion */
.accordion-button {
    border-radius: 8px !important;
    font-weight: 500;
}

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

.accordion-item {
    border-radius: 8px !important;
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

/* Carousel */
.carousel-control-prev,
.carousel-control-next {
    width: 5%;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 120px 0 60px;
        min-height: auto;
    }
    
    .hero-content {
        padding: 1rem 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-content .lead {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-content .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        margin-right: 0.5rem;
        margin-bottom: 0.75rem;
    }
    
    .hero-stats {
        margin-top: 3rem;
        padding-top: 1.5rem;
    }
    
    .hero-stats h4 {
        font-size: 1.5rem;
    }
    
    .placeholder-image {
        height: 300px;
        margin: 1rem 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.8rem;
    }
    
    .pricing-card.popular {
        transform: none;
        margin-top: 1rem;
    }
    
    .step-number {
        position: static;
        margin: 0 auto 1rem;
        transform: none;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 100px 0 50px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-stats .col-4 {
        padding: 0.75rem 0.5rem;
    }
    
    .hero-stats h4 {
        font-size: 1.25rem;
    }
    
    .hero-stats small {
        font-size: 0.8rem;
    }
}

/* Loading and Smooth Transitions */
section {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* Dark theme scrollbar */
[data-bs-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bs-secondary-bg);
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Intersection Observer Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Theme Toggle Button */
#themeToggle {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#themeToggle:hover {
    transform: rotate(180deg);
}