:root {
    --primary-color: #3e78f0;
    --primary-hover: #2b5db8;
    --secondary-color: #6c757d;
    --text-color: #2b2b2b;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #e9ecef;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.1);
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    border-color: var(--secondary-color);
    background-color: var(--bg-light);
}

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

.btn-white:hover {
    background-color: #f0f0f0;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name {
    font-weight: 700;
    font-size: 1.25rem;
    color: #333;
}

.brand-slogan {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 400;
}

.logo img {
    width: 36px;
    height: 36px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: #333;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 80px 0 60px;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 2.8rem;
    white-space: nowrap;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #1a1a1a 0%, #4a4a4a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 24px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.hero-stats .icon {
    margin-right: 6px;
}

/* Hero Image Mockup */
.hero-image {
    position: relative;
}

.mockup-window {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.3s ease;
}

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

.mockup-header {
    background: #f1f3f5;
    padding: 12px 16px;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.red { background: #ff5f57; }
.yellow { background: #febc2e; }
.green { background: #28c840; }

.mockup-body {
    padding: 40px;
    background: white;
    min-height: 300px;
    position: relative;
}

.mockup-text-lines {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.line {
    height: 12px;
    background: #f1f3f5;
    border-radius: 4px;
}

.short { width: 40%; }
.medium { width: 70%; }
.long { width: 90%; }
.full { width: 100%; }

.selected-text {
    background: #e2e8f0;
    height: auto;
    padding: 4px;
    color: #4a5568;
    font-size: 14px;
    line-height: 1.4;
    position: relative;
    border-radius: 2px;
    background-color: #b3d4fc; /* Selection color */
}

.cursor-pointer {
    position: absolute;
    bottom: -10px;
    right: 20%;
    width: 0;
    height: 0;
}

.context-menu {
    position: absolute;
    top: 10px;
    left: -120px;
    width: 180px;
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-radius: 6px;
    padding: 6px 0;
    font-size: 13px;
    color: #333;
    z-index: 10;
    animation: fadeIn 0.3s ease-out forwards;
}

.menu-item {
    padding: 8px 16px;
    cursor: pointer;
}

.menu-item:hover, .menu-item.highlight {
    background-color: var(--primary-color);
    color: white;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Use Cases Section */
.use-cases {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.use-case-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.use-case-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-color);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: inline-block;
}

.use-case-item h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
    color: #333;
}

.use-case-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: white;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: #333;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.feature-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.feature-icon {
    font-size: 1.5rem;
    margin-bottom: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: #f0f7ff;
    border-radius: 10px;
    flex-shrink: 0;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0;
    color: #333;
    line-height: 1.3;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 60px;
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 24px;
    box-shadow: 0 4px 10px rgba(62, 120, 240, 0.3);
}

.step-connector {
    flex: 1;
    height: 2px;
    background: #e9ecef;
    margin-top: 24px;
    transform: scaleX(1.1); /* Ensure lines connect */
}

.step h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

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

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--primary-color);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 32px;
    opacity: 0.9;
}

/* Footer */
footer {
    padding: 60px 0 20px;
    background: #f8f9fa;
    border-top: 1px solid #eee;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.link-group h4 {
    margin-bottom: 20px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #999;
}

.link-group a {
    display: block;
    margin-bottom: 12px;
    color: var(--text-light);
    font-size: 0.95rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #999;
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: #999;
    transition: color 0.2s;
}

.footer-bottom-links a:hover {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar .nav-links, .navbar .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        margin: 0 auto 32px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
        gap: 40px;
    }

    .step-connector {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 40px;
        flex-wrap: wrap;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
    }
}