/* style.css */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #0a192f; /* Dark Blue */
    color: #ccd6f6; /* Light Slate */
    line-height: 1.7;
    overflow-x: hidden;
}

.site-wrapper {
    max-width: 1600px;
    margin: 0 auto;
    background-color: #112240; /* Lighter Navy for the content area */
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background-color: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    color: #64ffda; /* Cyan accent */
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
}

.nav-menu {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
    gap: 25px;
}

.nav-menu a {
    color: #ccd6f6;
    text-decoration: none;
    font-size: 1rem;
    padding: 5px;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #64ffda; /* Cyan accent */
}

header {
    text-align: center;
    padding: 12rem 0 8rem;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

header .logo {
    width: 150px;
    margin-bottom: 2rem;
}

header h1 {
    margin: 0;
    font-size: 5rem;
    font-weight: 700;
    color: #64ffda; /* Cyan accent */
    text-transform: uppercase;
    letter-spacing: 4px;
}

header p {
    margin: 1rem 0 0;
    font-size: 1.8rem;
    color: #8892b0; /* Slate */
    max-width: 600px;
    margin: 1.5rem auto 0;
}

section {
    padding: 6rem 20px;
    scroll-margin-top: 60px; /* Offset for navbar */
}

#about p {
    font-size: 1.2rem;
    color: #a8b2d1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

h2 {
    font-size: 3.2rem;
    font-weight: 700;
    color: #64ffda; /* Cyan accent */
    text-align: center;
    margin-bottom: 5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature {
    background-color: #112240; /* Lighter Navy */
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px -15px rgba(2, 12, 27, 0.7);
}

.feature h3 {
    color: #ccd6f6;
    margin-top: 0;
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.feature h3 i {
    color: #64ffda;
}

.feature p, .feature li {
    font-size: 1.1rem;
    color: #a8b2d1; /* Lighter Slate for better readability */
}

.tech-stack-feature ul {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    margin-top: 1.5rem;
}

.tech-stack-feature i {
    color: #64ffda;
    margin-right: 8px;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    margin-bottom: 1.2rem;
    color: #8892b0; /* Slate */
}

li strong {
    color: #ccd6f6; /* Lightest Slate */
}

#download {
    text-align: center;
    padding: 6rem 0;
}

#download-btn {
    background-color: #64ffda; /* Cyan accent */
    color: #0a192f; /* Dark Blue */
    border: none;
    padding: 1.2rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
}

#download-btn:hover {
    background-color: #52d8bA;
    transform: translateY(-3px);
}

#download-small {
    text-align: center;
    padding-top: 2rem;
}

#download-btn-small {
    background-color: #64ffda; /* Cyan accent */
    color: #0a192f; /* Dark Blue */
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
}

#download-btn-small:hover {
    background-color: #52d8bA;
    transform: translateY(-3px);
}

footer {
    text-align: center;
    padding: 2.5rem 0;
    color: #8892b0; /* Slate */
    border-top: 1px solid #0a192f; /* Dark Blue */
}

footer a {
    color: #64ffda;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #ccd6f6;
}

/* Responsive Design */
@media (max-width: 1200px) {
    h1 {
        font-size: 4rem;
    }
    h2 {
        font-size: 2.8rem;
    }
    header p {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 50px;
        line-height: 1.6;
    }

    .navbar .container {
        height: 50px;
    }

    .nav-menu {
        display: none; /* Simple hiding for mobile, can be improved with a hamburger menu */
    }

    header {
        padding: 8rem 0 6rem;
    }

    header h1 {
        font-size: 3rem;
    }

    header p {
        font-size: 1.4rem;
    }

    h2 {
        font-size: 2.2rem;
        margin-bottom: 3rem;
    }

    #about h2 {
        font-size: 2rem;
    }

    #about p {
        font-size: 1rem;
    }

    section {
        padding: 4rem 10px;
        scroll-margin-top: 50px;
    }

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