:root {
    --bg-color: #0D0D0D;
    --text-color: #FFFFFF;
    --primary-color: #00FF47;
    --secondary-color: #1A1A1A;
    --border-color: #00FF47;
    --font-main: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -1px;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: #cccccc;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--bg-color);
    padding: 1rem 2rem;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 1.2rem;
    border: 3px solid var(--primary-color);
    box-shadow: 6px 6px 0px #FFFFFF;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 4px 4px 0px #FFFFFF;
}

.btn:active {
    transform: translate(6px, 6px);
    box-shadow: 0px 0px 0px #FFFFFF;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    box-shadow: 6px 6px 0px var(--primary-color);
}

.btn-outline:hover {
    box-shadow: 4px 4px 0px var(--primary-color);
}

/* Navbar */
nav {
    padding: 2rem 0;
    border-bottom: 2px solid var(--secondary-color);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.5rem 1rem;
    box-shadow: 4px 4px 0px #FFFFFF;
}

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

.nav-links a {
    font-weight: 700;
    text-transform: uppercase;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
    text-decoration-thickness: 3px;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.app-screenshot {
    width: 300px;
    height: auto;
    /* Allow height to adjust based on aspect ratio */
    border: 4px solid var(--primary-color);
    border-radius: 20px;
    /* Slightly smaller radius than phone frame */
    box-shadow: 12px 12px 0px #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}



/* Features */
.features {
    padding: 6rem 0;
    background-color: var(--secondary-color);
}

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

.card {
    background-color: var(--bg-color);
    border: 3px solid var(--text-color);
    padding: 2rem;
    box-shadow: 8px 8px 0px var(--primary-color);
    transition: transform 0.3s;
}

.card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0px var(--primary-color);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 2px solid var(--secondary-color);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.copyright {
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        display: none;
        /* Simple standard mobile hide for now, could add hamburger */
    }

    h1 {
        font-size: 2.5rem;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }
}