:root {
    --primary-color: #61dafb;
    --secondary-color: #a8ecff;
    --background-color: #282c34;
    --card-background: #3a404a;
    --text-color: #ffffff;
    --subtle-text-color: #c5c8d0;
    --border-color: #4a505a;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}
header {
    background: rgba(40, 44, 52, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
}
.logo img {
    height: 50px;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}
nav a {
    text-decoration: none;
    color: var(--subtle-text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}
nav a:hover {
    color: var(--primary-color);
}
.cta-button {
    background-color: var(--primary-color);
    color: var(--background-color);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}
.cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}
.hero {
    padding: 80px 20px;
}
.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
}
.hero-logo-column {
    flex-shrink: 0;
}
.hero-text-column {
    text-align: left;
}
.hero-logo {
    height: 200px;
}
.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    margin-top: 0;
    color: var(--primary-color);
}
.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 0 2rem 0;
    color: var(--subtle-text-color);
}
.hero .cta-button {
    font-size: 1.2rem;
    padding: 15px 30px;
}
.app-showcase {
    margin-top: 80px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border-radius: 10px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--border-color);
}
section {
    padding: 80px 0;
}
.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 50px;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    background: var(--card-background);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}
.feature-card h3 {
    font-size: 1.5rem;
    margin-top: 15px;
    margin-bottom: 10px;
    color: var(--primary-color);
}
.how-it-works {
    background: var(--background-color);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.how-it-works-steps {
    display: flex;
    justify-content: space-around;
    text-align: center;
    gap: 30px;
}
.step {
    max-width: 300px;
}
.step-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.testimonials {
    background-color: var(--card-background);
}
.testimonial-card {
    background: transparent;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}
.testimonial-card p {
    font-style: italic;
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}
.testimonial-card .author {
    margin-top: 20px;
    font-weight: bold;
    color: var(--primary-color);
}
.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}
.pricing-card {
    background: var(--card-background);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
    width: 350px;
}
.pricing-card.pro {
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(97, 218, 251, 0.3);
}
.pricing-card h3 {
    font-size: 1.8rem;
}
.pricing-card .price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 20px 0;
}
.pricing-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    text-align: left;
}
.pricing-card li {
    margin-bottom: 10px;
}
footer {
    background-color: var(--card-background);
    color: var(--subtle-text-color);
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
}

/* Feature Page Specific Styles */
.feature-video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    border-radius: 8px;
    margin-bottom: 40px;
}
.feature-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.feature-description {
    max-width: 800px;
    margin: 0 auto 40px auto;
    text-align: center;
    font-size: 1.1rem;
}
.benefits-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 0 auto 40px auto;
}
.benefits-list li {
    background: var(--card-background);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}
.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}
.screenshot-gallery img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.cta-section {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-background);
    border-radius: 8px;
}
.cta-section h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}