:root {
    --primary-color: #4caf50;
    --primary-dark: #45a049;
    --primary-light: rgba(76, 175, 80, 0.1);
    --secondary-color: #4cc9f0;
    --accent-color: #7b2cbf;
    --bg-light: #f8f9fa;
    --bg-dark: #212529;
    --text-dark: #333;
    --text-light: #666;
    --text-lighter: #999;
    --white: #fff;
    --error-color: #ff5252;
    --success-color: #4caf50;
    --warning-color: #ffb300;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
    --card-bg: rgba(255, 255, 255, 0.95);
    --section-spacing: 5rem;
    --card-radius: 16px;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-speed) ease;
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

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

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

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

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

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-dark);
}

.btn-ghost:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 100;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo i {
    color: var(--primary-color);
}

.logo a {
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) ease;
}

.nav-links a:hover:after,
.nav-links a.active:after {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary-color);
}

.nav-auth {
    display: flex;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 101;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-dark);
    position: absolute;
    left: 0;
    transition: all var(--transition-speed) ease;
}

.mobile-menu-toggle span:nth-child(1) {
    top: 0;
}

.mobile-menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.mobile-menu-toggle span:nth-child(3) {
    bottom: 0;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(to right, var(--white), var(--primary-light));
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

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

.stat {
    display: flex;
    flex-direction: column;
}

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

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.demo-gif-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
}

.demo-gif {
    width: 100%;
    display: block;
    border-radius: 16px;
}

/* Page Hero */
.page-hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
}

.page-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-hero h1 {
    margin-bottom: 1rem;
}

.page-hero .subtitle {
    color: rgba(255, 255, 255, 0.9);
}

/* Features Navigation */
.features-nav {
    background-color: var(--white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 68px; /* Adjust based on header height */
    z-index: 90;
    margin-bottom: 4rem;
}

.scroll-nav {
    display: flex;
    overflow-x: auto;
    padding: 1rem 0;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.scroll-nav::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    transition: all var(--transition-speed) ease;
    white-space: nowrap;
    border-radius: 8px;
}

.nav-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-item:hover, 
.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

/* Feature Section */
.feature-section {
    padding: 5rem 0;
}

.feature-section:nth-child(odd) {
    background-color: var(--white);
}

.feature-section.alternate {
    background-color: var(--bg-light);
}

.feature-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.feature-content.reverse {
    flex-direction: row-reverse;
}

.feature-text, 
.feature-visual {
    flex: 1;
}

.feature-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.feature-img {
    border-radius: var(--card-radius);
    box-shadow: 0 30px 60px rgba(76, 175, 80, 0.1);
}

.feature-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.item-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.item-content p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--card-radius);
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-light);
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.learn-more {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.learn-more i {
    transition: transform var(--transition-speed) ease;
}

.learn-more:hover i {
    transform: translateX(3px);
}

/* How It Works */
.workflow {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    position: relative;
    margin-top: 4rem;
}

.workflow::before {
    content: '';
    position: absolute;
    left: 25px;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--primary-light);
    z-index: 0;
}

.workflow-step {
    display: flex;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    font-size: 1.25rem;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

.step-content {
    padding-top: 0.5rem;
}

.step-content h3 {
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Testimonial */
.testimonial-slider {
    position: relative;
    margin-top: 3rem;
}

.testimonial-card {
    background-color: var(--white);
    border-radius: var(--card-radius);
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    display: none;
}

.testimonial-card:first-child {
    display: block;
}

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

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-dark);
    font-style: italic;
    margin-bottom: 0;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

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

.author-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.prev-testimonial,
.next-testimonial {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.prev-testimonial:hover,
.next-testimonial:hover {
    color: var(--primary-color);
}

.testimonial-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.dot.active {
    background-color: var(--primary-color);
}

/* Feature Comparison Table */
.feature-comparison {
    padding: 5rem 0;
    background-color: var(--white);
}

.table-container {
    overflow-x: auto;
    margin-bottom: 2rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table thead {
    background-color: var(--primary-color);
    color: var(--white);
}

.comparison-table th {
    font-weight: 600;
}

.comparison-table th:first-child {
    text-align: left;
    min-width: 200px;
}

.comparison-table td.feature-name {
    text-align: left;
    font-weight: 600;
}

.comparison-table i.fas.fa-check {
    color: var(--success-color);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    display: block;
}

.comparison-table td span {
    font-size: 0.9rem;
    color: var(--text-light);
    display: block;
}

.comparison-table tr:nth-child(even) {
    background-color: var(--bg-light);
}

.table-cta {
    text-align: center;
    margin-top: 3rem;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

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

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

.cta-section .btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Footer */
.site-footer {
    background-color: var(--bg-dark);
    color: var(--white);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 3rem;
}

.footer-brand {
    flex: 1;
    min-width: 300px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all var(--transition-speed) ease;
}

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

.footer-links {
    flex: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.link-group {
    flex: 1;
    min-width: 150px;
}

.link-group h3 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.link-group h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.link-group ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.link-group a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-speed) ease;
}

.link-group a:hover {
    color: var(--white);
    transform: translateX(3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.language-selector select {
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
}

.language-selector select:focus {
    outline: none;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .container {
        padding: 0 1.5rem;
    }
    
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
}

@media (max-width: 992px) {
    .hero .container,
    .feature-content,
    .feature-content.reverse {
        flex-direction: column;
    }
    
    .hero-content,
    .feature-text,
    .feature-visual {
        max-width: 100%;
    }
    
    .hero-visual {
        margin-top: 3rem;
    }
    
    .feature-visual {
        order: -1;
        margin-bottom: 2rem;
    }
    
    .feature-content.reverse .feature-visual {
        order: -1;
    }
    
    .nav-links, .nav-auth {
        display: none;
    }
    
    .nav-links.active, .nav-auth.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 1.5rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        z-index: 100;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .footer-grid {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-links {
        gap: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .hero, .cta-section, .feature-section {
        padding: 3rem 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .feature-section {
        padding: 3rem 0;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
    }
    
    .comparison-table th:first-child {
        min-width: 150px;
    }
}