/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section-padding {
    padding: 5rem 0;
}

.bg-light {
    background-color: #f8f9fa;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    transition: all 0.2s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: bold;
    color: #3b82f6;
    text-decoration: none;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #6b7280;
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #3b82f6;
}

.nav-mobile {
    display: none;
}

.nav-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: #6b7280;
    cursor: pointer;
}

.nav-mobile-menu {
    display: none;
    flex-direction: column;
    gap: 1rem;
    padding: 2rem 0;
    border-top: 1px solid #e5e7eb;
}

.nav-mobile-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #6b7280;
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-mobile-link:hover {
    color: #3b82f6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-secondary {
    background-color: white;
    color: #3b82f6;
    border: 1px solid #3b82f6;
}

.btn-secondary:hover {
    background-color: #3b82f6;
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: white;
    border: 1px solid white;
}

.btn-outline:hover {
    background-color: white;
    color: #3b82f6;
}

.btn-outline-white {
    background-color: transparent;
    color: white;
    border: 1px solid white;
}

.btn-outline-white:hover {
    background-color: white;
    color: #3b82f6;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    padding: 8rem 0 5rem;
    margin-top: 4rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-img {
    width: 100%;
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Section Headers */
.section-header {
    text-center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.125rem;
    color: #6b7280;
    max-width: 48rem;
    margin: 0 auto;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    font-size: 3rem;
    color: #3b82f6;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

.feature-description {
    color: #6b7280;
    line-height: 1.6;
}

/* Steps Section */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.step-card {
    background: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.step-image {
    width: 100%;
    height: 12rem;
    object-fit: cover;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.step-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

.step-description {
    color: #6b7280;
    line-height: 1.6;
}

/* Stats Section */
.stats {
    background-color: #f8f9fa;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6b7280;
    font-size: 0.875rem;
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.testimonial-card {
    background: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.testimonial-stars {
    color: #fbbf24;
    margin-bottom: 1rem;
}

.testimonial-quote {
    color: #6b7280;
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 2.5rem;
    height: 2.5rem;
    background-color: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-name {
    font-weight: 600;
    color: #111827;
    margin-bottom: 0.25rem;
}

.author-title {
    font-size: 0.875rem;
    color: #6b7280;
}

/* CTA Section */
.cta {
    background-color: #3b82f6;
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 64rem;
    margin: 0 auto;
}

.cta-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

/* Footer */
.footer {
    background-color: #111827;
    color: white;
    padding: 3rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.footer-brand {
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-description {
    color: #9ca3af;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: #9ca3af;
    font-size: 1.25rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.social-link:hover {
    color: white;
}

.footer-section {
    margin-bottom: 2rem;
}

.footer-title {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-divider {
    border: none;
    border-top: 1px solid #374151;
    margin: 2rem 0;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
}

.footer-copyright {
    color: #9ca3af;
    font-size: 0.875rem;
}

.footer-made-with {
    color: #9ca3af;
    font-size: 0.875rem;
}

.footer-made-with i {
    color: #ef4444;
}

/* Alert System */
.alert {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    min-width: 300px;
    max-width: 500px;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.3s ease-out;
}

.alert-content {
    display: flex;
    align-items: center;
    justify-content: between;
    padding: 1rem;
    gap: 1rem;
}

.alert-message {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.4;
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.alert-close:hover {
    opacity: 1;
}

.alert-success {
    background-color: #10b981;
    color: white;
}

.alert-error {
    background-color: #ef4444;
    color: white;
}

.alert-info {
    background-color: #3b82f6;
    color: white;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Navbar Scroll Effect */
.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
    
    .cta-buttons {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .nav-mobile {
        display: none;
    }
    
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .section-padding {
        padding: 6rem 0;
    }
    
    .hero {
        padding: 10rem 0 6rem;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stat-number {
        font-size: 4rem;
    }
    
    .cta-title {
        font-size: 3rem;
    }
}

@media (max-width: 767px) {
    .nav-desktop {
        display: none;
    }
    
    .nav-mobile {
        display: block;
    }
    
    .nav-mobile-menu.active {
        display: flex;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
}