:root {
    --bg-color: #000000;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --accent-glow: conic-gradient(from 180deg at 50% 100%, #2a8af6 0deg, #a853ba 180deg, #e92a67 360deg);
    --grid-color: #333333;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    overflow-x: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    height: 64px;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #1a1a1a;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 24px;
    width: auto;
}

.logo-text {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.5px;
}

.btn-contact {
    text-decoration: none;
    color: #dedede;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
    background: #111;
    border: 1px solid #333;
}

.btn-contact:hover {
    background: #222;
    color: #fff;
}

.hero {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 64px;
    overflow: hidden;
}

.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, #1a1a1a 1px, transparent 1px),
        linear-gradient(to bottom, #1a1a1a 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: linear-gradient(to bottom, transparent 5%, black 40%, black 70%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 5%, black 40%, black 70%, transparent 100%);
    z-index: 1;
    pointer-events: none;
}

.rgb-glow {
    position: absolute;
    bottom: -150px; 
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1200px;
    height: 400px;
    background: conic-gradient(from 180deg at 50% 100%, 
        #000000 0deg, 
        #0015ff 140deg, 
        #00ffff 160deg, 
        #ffffff 180deg, 
        #ff0055 200deg, 
        #ff9900 220deg, 
        #000000 360deg
    );
    filter: blur(60px);
    opacity: 0.6;
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    padding: 0 20px;
}

.headline {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to bottom right, #ffffff 50%, #666666);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subheadline {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 400;
}

.cta-container {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: #fff;
    color: #000;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 5px;
    font-weight: 500;
    font-size: 16px;
    transition: transform 0.2s, background-color 0.2s;
}

.btn-primary:hover {
    background-color: #f2f2f2;
    transform: translateY(-1px);
}

.btn-icon {
    font-size: 10px;
}

@media (max-width: 768px) {
    .headline {
        font-size: 40px;
    }
    .subheadline {
        font-size: 18px;
    }
    .rgb-glow {
        height: 300px;
        bottom: -100px;
    }
}