:root {
    --navimow-green: #97ff00; 
    --deep-obsidian: #080808;
    --slate-gray: #1a1a1a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--deep-obsidian);
    color: #ffffff;
    height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: hidden;
}
header {
    width: 100%;
    padding: 40px 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}
.brand-name {
    font-size: 1.1rem;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;
}
.brand-name b { font-weight: 900; }
.brand-name span { font-weight: 200; color: var(--navimow-green); opacity: 0.9; }
.header-cta a {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    color: #fff;
    text-decoration: none;
    padding: 10px 25px;
    border: 1px solid #333;
    transition: all 0.4s ease;
}
.header-cta a:hover {
    border-color: var(--navimow-green);
    color: var(--navimow-green);
    box-shadow: 0 0 20px rgba(151, 255, 0, 0.15);
}
.hero {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}
.radar-ring {
    position: absolute;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(151, 255, 0, 0.1);
    border-radius: 50%;
    z-index: -1;
    animation: pulseRadar 4s infinite cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes pulseRadar {
    0% { transform: scale(0.8); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: scale(1.3); opacity: 0; }
}
h1 {
    font-size: clamp(3rem, 12vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.01em;
    margin-bottom: 25px;
    -webkit-background-clip: text;
    background-clip: text;
}
.sub-heading {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 50px;
}
@keyframes scanHorizontal {
    0%, 100% { transform: translateY(0); opacity: 0.2; }
    50% { transform: translateY(-15px); opacity: 0.8; }
}
@media (max-width: 768px) {
    header {
        padding: 25px 5%; 
        flex-direction: column; 
        gap: 20px;
    }

    .brand-name {
        font-size: 0.9rem;
    }

    .header-cta a {
        padding: 8px 18px;
        font-size: 0.6rem;
    }

    .hero {
        padding: 0 8%; 
    }

    h1 {
        font-size: clamp(3rem, 18vw, 4.5rem); 
        letter-spacing: -0.02em;
        margin-bottom: 15px;
    }

    .sub-heading {
        font-size: 0.65rem;
        letter-spacing: 0.2rem;
        line-height: 1.8;
    }

    .radar-ring {
        width: 300px; 
        height: 300px;
    }
}
@media (max-height: 500px) {
    header { padding: 15px 5%; }
    .hero { padding-top: 60px; }
    h1 { font-size: 2.5rem; }
    .radar-ring { display: none; }
}