/* Base Styles */
:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --secondary-color: #10B981;
    --text-color: #1F2937;
    --text-light: #6B7280;
    --background-light: #F9FAFB;
    --background-dark: #111827;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition-base: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-light);
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: var(--transition-base);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.navbar-brand img {
    transition: var(--transition-base);
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    padding: 0.5rem 1rem;
    transition: var(--transition-base);
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: var(--transition-base);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Hero Section */
.hero-section {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('pattern.svg') repeat;
    opacity: 0.1;
    z-index: 0;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.hero-image {
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.hero-image:hover {
    transform: translateY(-5px);
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background-color: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    background-color: white;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    height: 100%;
}

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

.feature-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* How It Works Section */
.how-it-works-section {
    padding: 6rem 0;
    background-color: var(--background-light);
}

.step-card {
    text-align: center;
    padding: 2rem;
    background-color: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    height: 100%;
}

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

.step-number {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    font-weight: 700;
    font-size: 1.25rem;
}

/* Benefits Section */
.benefits-section {
    padding: 6rem 0;
    background-color: white;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background-color: var(--background-light);
    border-radius: 1rem;
    transition: var(--transition-base);
}

.benefit-item:hover {
    transform: translateX(5px);
}

.benefit-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    border-radius: 0.75rem;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.benefit-content {
    flex-grow: 1;
}

/* Testimonials Section */
.testimonials-section {
    padding: 6rem 0;
    background-color: var(--background-light);
}

.testimonial-card {
    background-color: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin: 1rem;
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-info h4 {
    margin-bottom: 0.25rem;
}

.testimonial-info p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

/* Screenshots Section */
.screenshots-section {
    padding: 6rem 0;
    background-color: white;
}

.screenshot-card {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    transform: translateY(100%);
    transition: var(--transition-base);
}

.screenshot-card:hover .screenshot-overlay {
    transform: translateY(0);
}

/* FAQ Section */
.faq-section {
    padding: 6rem 0;
    background-color: var(--background-light);
}

.accordion-item {
    border: none;
    margin-bottom: 1rem;
    border-radius: 0.5rem !important;
    overflow: hidden;
}

.accordion-button {
    font-weight: 500;
    padding: 1.5rem;
    background-color: white;
    border: none;
}

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

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

.accordion-body {
    padding: 1.5rem;
    background-color: white;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.cta-section h2,
.cta-section .lead {
    color: white;
}

.cta-section .btn-primary {
    background-color: white;
    color: var(--primary-color);
    border-color: white;
}

.cta-section .btn-primary:hover {
    background-color: var(--background-light);
    border-color: var(--background-light);
}

/* Newsletter Section */
.newsletter-section {
    padding: 6rem 0;
    background-color: white;
}

.newsletter-form .form-control {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.newsletter-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: none;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background-color: var(--background-dark);
    color: white;
}

.footer h4 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer p {
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 0.5rem;
    transition: var(--transition-base);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition-base);
}

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

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 991.98px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-section {
        padding: 6rem 0 4rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
    }

    .benefit-icon {
        margin: 0 auto 1rem;
    }
}

@media (max-width: 767.98px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .testimonial-card {
        margin: 0.5rem;
    }
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

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

.shadow-hover {
    transition: var(--transition-base);
}

.shadow-hover:hover {
    box-shadow: var(--shadow-lg);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 0.5rem;
}

::-webkit-scrollbar-track {
    background: var(--background-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 0.25rem;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}