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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

/* Sections */
section {
    padding: 5rem 0;
}

section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

/* Features */
.features {
    background-color: var(--bg-light);
}

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

.feature-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Apps Section */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.app-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    position: relative;
}

.app-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

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

.app-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-color);
    color: white;
    font-size: 0.875rem;
    border-radius: 20px;
    font-weight: 500;
}

/* Pricing */
.pricing {
    background-color: var(--bg-light);
}

.pricing-card {
    max-width: 600px;
    margin: 3rem auto;
    background-color: var(--bg-white);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.pricing-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

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

.price {
    font-size: 4rem;
    font-weight: 700;
    margin: 1rem 0;
}

.price-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

.pricing-features {
    padding: 2rem;
}

.pricing-feature {
    padding: 0.75rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
}

.pricing-feature:last-child {
    border-bottom: none;
}

.pricing-note {
    padding: 1.5rem 2rem;
    background-color: var(--bg-light);
    color: var(--text-light);
    font-size: 0.9rem;
    text-align: center;
}

/* Screenshots Carousel */
.carousel {
    position: relative;
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.carousel-container {
    overflow: hidden;
    border-radius: 12px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    text-align: center;
}

.carousel-slide img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 1.5rem;
}

.carousel-slide h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

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

.carousel-btn {
    position: absolute;
    top: 35%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn-prev {
    left: -25px;
}

.carousel-btn-next {
    right: -25px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carousel-dot.active {
    background-color: var(--primary-color);
    transform: scale(1.3);
}

@media (max-width: 768px) {
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .carousel-btn-prev {
        left: 10px;
    }

    .carousel-btn-next {
        right: 10px;
    }
}

/* Contact Form */
.contact {
    background-color: var(--bg-light);
}

.contact-form {
    max-width: 600px;
    margin: 3rem auto;
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}

.submit-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.submit-button:disabled {
    background-color: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
}

.form-status.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    section h2 {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
    }

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

    .price {
        font-size: 3rem;
    }
}