:root {
    --bg: #0a0a0b;
    --surface: #121214;
    --surface-hover: #1a1a1d;
    --accent: #e0e0e0;
    --filament: #ffffff1a;
    --glow: rgba(255, 255, 255, 0.05);
    --text-main: #d1d1d1;
    --text-dim: #666666;
    --code-bg: #0d0d0f;
    --success: #4ade80;
    --mono: 'JetBrains Mono', monospace;
    --sans: 'Inter', sans-serif;
    --brushed: repeating-linear-gradient(45deg,
            rgba(255, 255, 255, 0.01) 0px,
            rgba(255, 255, 255, 0.01) 1px,
            transparent 1px,
            transparent 2px);
}

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

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

/* Materiality: Brushed Texture Overlay */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--brushed);
    pointer-events: none;
    z-index: 100;
    opacity: 0.5;
}

/* Subtle Scanline Filament */
.filament-line {
    position: fixed;
    top: 0;
    left: 10%;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--filament), transparent);
    z-index: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 2;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 60px 0;
}

.logo {
    font-weight: 900;
    font-size: 1.5rem;
    letter-spacing: -1px;
    text-transform: uppercase;
    position: relative;
    color: var(--accent);
}

.logo span {
    font-family: var(--mono);
    font-weight: 300;
    font-size: 0.8rem;
    opacity: 0.5;
    margin-left: 8px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-family: var(--mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent);
}

footer {
    padding: 80px 0;
    border-top: 1px solid var(--filament);
    display: flex;
    justify-content: space-between;
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text-dim);
}

@keyframes pulse {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }

    100% {
        opacity: 1;
    }
}

@keyframes reveal {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}


button.btn-submit {
    background: var(--accent);
    color: var(--bg);
    border: none;
    padding: 15px 30px;
    font-family: var(--mono);
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    justify-self: start;
    transition: all 0.3s;
}

button.btn-submit:hover {
    background: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}