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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-secondary:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo svg {
    height: 28px;
    width: auto;
    transition: opacity 0.3s ease;
}

.nav-logo svg:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #3b82f6;
}

.nav-login {
    color: #666 !important;
}

.nav-signup {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white !important;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-signup:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mockup {
    position: relative;
    max-width: 500px;
    width: 100%;
}

.mockup-screen {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.mockup-screen:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    background: #f1f5f9;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #cbd5e1;
}

.mockup-dots span:first-child {
    background: #ef4444;
}

.mockup-dots span:nth-child(2) {
    background: #f59e0b;
}

.mockup-dots span:last-child {
    background: #10b981;
}

.mockup-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: #475569;
}

.mockup-content {
    padding: 24px;
}

.question-card h4 {
    color: #3b82f6;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.question-card p {
    font-size: 1.1rem;
    font-weight: 500;
    color: #1e293b;
    margin-bottom: 16px;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.option:hover {
    border-color: #3b82f6;
    background: #f8fafc;
}

.option.active {
    border-color: #3b82f6;
    background: #dbeafe;
    color: #1d4ed8;
}

/* Section Styles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: #f8fafc;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.step h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.step p {
    color: #64748b;
    line-height: 1.6;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Why Choose Section */
.why-choose {
    padding: 80px 0;
    background: white;
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.why-choose-text h2 {
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.why-choose-text > p {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.benefit i {
    color: #10b981;
    font-size: 1.2rem;
}

.benefit span {
    font-weight: 500;
    color: #1e293b;
}

.why-choose-image {
    display: flex;
    justify-content: center;
}

.stats-card {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    padding: 2rem;
    border-radius: 16px;
    color: white;
    text-align: center;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
}

.stat {
    margin-bottom: 1.5rem;
}

.stat:last-child {
    margin-bottom: 0;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

/* Demo Preview Section */
.demo-preview {
    padding: 80px 0;
    background: #f8fafc;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.demo-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.demo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.demo-mockup {
    padding: 1rem;
}

.demo-screen {
    background: #f1f5f9;
    border-radius: 8px;
    overflow: hidden;
}

.demo-header {
    background: #e2e8f0;
    padding: 12px 16px;
    font-weight: 600;
    color: #475569;
    font-size: 0.9rem;
}

.demo-content {
    padding: 20px;
    background: white;
}

.demo-question h4 {
    color: #3b82f6;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.demo-question p {
    font-weight: 500;
    color: #1e293b;
    margin-bottom: 12px;
}

.demo-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.demo-option {
    padding: 8px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.9rem;
}

.demo-option.selected {
    background: #dbeafe;
    border-color: #3b82f6;
    color: #1d4ed8;
}

.result-summary {
    text-align: center;
}

.result-summary h3 {
    color: #10b981;
    margin-bottom: 1rem;
}

.score {
    font-size: 3rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 1rem;
}

.result-details {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
}

.detail {
    font-size: 0.9rem;
    color: #64748b;
}

.admin-dashboard {
    text-align: center;
}

.dashboard-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 1.5rem;
}

.dashboard-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3b82f6;
}

.stat-label {
    font-size: 0.8rem;
    color: #64748b;
}

.dashboard-chart {
    display: flex;
    align-items: end;
    justify-content: center;
    gap: 8px;
    height: 60px;
}

.chart-bar {
    width: 20px;
    background: linear-gradient(to top, #3b82f6, #1d4ed8);
    border-radius: 4px 4px 0 0;
    min-height: 10px;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: #3b82f6;
    transform: scale(1.05);
}

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

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card h3 {
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.price {
    margin-bottom: 2rem;
}

.currency {
    font-size: 1.5rem;
    color: #64748b;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #1e293b;
}

.period {
    font-size: 1rem;
    color: #64748b;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: #64748b;
}

.pricing-features i {
    color: #10b981;
    font-size: 0.9rem;
}

.payment-providers {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.payment-providers p {
    color: #64748b;
    margin-bottom: 1rem;
}

.provider-icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.provider-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #64748b;
}

.provider-icon i {
    font-size: 2rem;
}

.provider-icon span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: #f8fafc;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

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

.testimonial-content p {
    font-style: italic;
    color: #475569;
    line-height: 1.6;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.author-info h4 {
    color: #1e293b;
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.author-info p {
    color: #64748b;
    font-size: 0.9rem;
    margin: 0;
}

/* Final CTA Section */
.final-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta .btn-primary {
    background: white;
    color: #3b82f6;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.final-cta .btn-primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: #3b82f6;
    margin-bottom: 1rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo svg {
    height: 28px;
    width: auto;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3b82f6;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #334155;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #cbd5e1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .why-choose-text h2 {
        font-size: 2rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .amount {
        font-size: 2.5rem;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-content {
    animation: fadeInLeft 0.8s ease-out;
}

.hero-image {
    animation: fadeInRight 0.8s ease-out;
}

.step {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card {
    animation: fadeInUp 0.6s ease-out;
}

.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}

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

/* Focus styles for accessibility */
.btn:focus,
.nav-menu a:focus,
.footer-section a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Loading animation for images */
img {
    transition: opacity 0.3s ease;
}

img[data-loaded="false"] {
    opacity: 0;
}

img[data-loaded="true"] {
    opacity: 1;
}