@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: #F2F2F7; /* Fallback color */
    background-image: linear-gradient(to bottom, #FFFFFF, #F2F2F7);
    color: #11181C; /* Dark text for light background */
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

header {
    padding: 20px 5%;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid #E5E5EA;
}

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

.logo {
    color: #11181C;
    text-decoration: none;
    font-size: 1.6em;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 60px;
    width: 60px;
}

.button {
    text-decoration: none;
    background-color: #e5e5e5;
    padding: 12px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
    color: #11181C;
    font-weight: 600;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.button.primary {
    background-color: #007aff;
    color: #fff;
}

.button.primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

main {
    padding: 0 5%;
}

section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 0;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s forwards;
}

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


.hero {
    text-align: center;
    padding: 120px 0 100px 0;
}

.hero h1 {
    font-size: 4.5em;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
    background: -webkit-linear-gradient(45deg, #333, #555);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.3em;
    max-width: 700px;
    margin: 0 auto 40px auto;
    color: #555;
}

.features {
    text-align: left;
}

.features h2, .screenshots h2, .cta h2 {
    font-size: 2.8em;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature-item {
    background: #fff;
    padding: 30px;
    border-radius: 16px;
    border: 1px solid #E5E5EA;
    box-shadow: 0 4px 6px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}

.feature-item h3 {
    font-size: 1.5em;
    margin-top: 20px;
}

.feature-item p {
    color: #555;
}

.feature-icon {
    max-width: 100%;
    margin-bottom: 0;
    border-radius: 10px;
}

.screenshots {
    text-align: center;
}

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

.screenshot-gallery img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.screenshot-gallery img:hover {
    transform: scale(1.05) rotate(1deg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.cta {
    text-align: center;
    padding: 100px 0;
    background-color: #fff;
    border-radius: 24px;
    margin-top: 100px;
    margin-bottom: 100px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.04);
}

footer {
    text-align: center;
    padding: 50px 0;
    border-top: 1px solid #e5e5e5;
    margin: 80px auto 0 auto;
    max-width: 1200px;
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    color: #555;
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s;
    font-weight: 600;
}

.footer-links a:hover {
    color: #007aff;
}

.content {
    background-color: #fff;
    padding: 60px;
    border-radius: 16px;
    margin: 80px auto;
    max-width: 800px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.04);
}

.content h2 {
    font-size: 2.8em;
    margin-bottom: 30px;
    font-weight: 800;
    text-align: left;
}

.content h3 {
    font-size: 1.8em;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 700;
}

.content p {
    font-size: 1.1em;
    margin-bottom: 20px;
    line-height: 1.8;
    color: #333;
}

.content a {
    color: #007aff;
    text-decoration: none;
    font-weight: 600;
}

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

.content ul {
    list-style: none;
    padding-left: 0;
}

.content li {
    font-size: 1.1em;
    margin-bottom: 15px;
    line-height: 1.8;
    color: #333;
    padding-left: 30px;
    position: relative;
}

.content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #007aff;
    font-weight: bold;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    header {
        padding: 4px 5%;
    }

    .logo {
        font-size: 1.1em;
        gap: 8px;
    }

    .logo img {
        height: 70px;
        width: 70px;
    }

    section {
        padding: 60px 0;
    }

    .hero {
        padding: 80px 0 60px 0;
    }

    .hero h1 {
        font-size: 2.8em;
    }

    .hero p {
        font-size: 1.1em;
    }

    .button {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    
    .features h2, .screenshots h2, .cta h2 {
        font-size: 2.2em;
        margin-bottom: 40px;
    }

    .screenshot-gallery {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .cta {
        padding: 60px 20px;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .footer-links a {
       margin: 0;
    }

    .content {
        padding: 40px 20px;
        margin: 60px auto;
    }

    .content h2 {
        font-size: 2.2em;
    }
}