/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0a0a;
    color: #e0e0e0;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header and Navigation */
.header {
    background-color: #1a1a1a;
    border-bottom: 1px solid #333;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    height: 32px;
    width: auto;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4ade80;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #e0e0e0;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background-color: #4ade80;
    color: #0a0a0a;
}

/* Main content */
.main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 4rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #4ade80, #22c55e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #a0a0a0;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-image {
    margin: 3rem 0;
}

.app-screenshot {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
}

.hero-description {
    margin-top: 4rem;
    text-align: left;
}

.hero-description h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #4ade80;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    background-color: #1a1a1a;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #333;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.1);
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #4ade80;
}

.feature p {
    color: #a0a0a0;
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    border-top: 1px solid #333;
    padding: 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content p {
    margin-bottom: 0.5rem;
    color: #a0a0a0;
}

.footer-content a {
    color: #4ade80;
    text-decoration: none;
}

.footer-content a:hover {
    text-decoration: underline;
}

/* Page content styles */
.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #4ade80;
    text-align: center;
}

.page-text {
    background-color: #1a1a1a;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #333;
    line-height: 1.8;
}

.page-text h2 {
    color: #4ade80;
    margin: 2rem 0 1rem 0;
    font-size: 1.5rem;
}

.page-text h3 {
    color: #e0e0e0;
    margin: 1.5rem 0 0.5rem 0;
    font-size: 1.25rem;
}

.page-text p {
    margin-bottom: 1rem;
    color: #a0a0a0;
}

.page-text ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.page-text li {
    margin-bottom: 0.5rem;
    color: #a0a0a0;
}

/* Contact form */
.contact-form {
    background-color: #1a1a1a;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #333;
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #e0e0e0;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: #0a0a0a;
    border: 1px solid #333;
    border-radius: 6px;
    color: #e0e0e0;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4ade80;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background-color: #4ade80;
    color: #0a0a0a;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #22c55e;
}

/* Responsive design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .main {
        padding: 1rem;
    }

    .page-content {
        padding: 1rem 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }

    .feature {
        padding: 1.5rem;
    }
}