:root {
    --bat-black: #080808;
    --bat-gray: #121212;
    --bat-yellow: #ffcc00;
    --bat-text: #e0e0e0;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bat-black);
    color: var(--bat-text);
    scroll-behavior: smooth;
    line-height: 1.6;
}


.bat-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 2px solid var(--bat-yellow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo { font-weight: bold; letter-spacing: 2px; }
.logo span { color: var(--bat-yellow); }

.nav-links { display: flex; list-style: none; }
.nav-links li a {
    color: var(--bat-text);
    text-decoration: none;
    margin-left: 25px;
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 1px;
    transition: 0.3s;
}

.nav-links li a:hover {
    color: var(--bat-yellow);
    text-shadow: 0 0 8px var(--bat-yellow);
}


.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), 
                url('https://images.unsplash.com/photo-1478720568477-152d9b164e26?auto=format&fit=crop&q=80');
    background-size: cover;
    background-position: center;
}

.bat-title {
    font-size: clamp(2rem, 8vw, 4.5rem);
    letter-spacing: -1px;
    border-bottom: 6px solid var(--bat-yellow);
    display: inline-block;
    margin-bottom: 10px;
}

.yellow-text { color: var(--bat-yellow); }


.container { padding: 80px 10%; }

.bat-card {
    background: var(--bat-gray);
    padding: 40px;
    border: 1px solid #333;
    border-left: 5px solid var(--bat-yellow);
}


.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.gadget-card {
    background: var(--bat-gray);
    padding: 30px;
    border: 1px solid #222;
    transition: 0.4s ease;
    position: relative;
}

.gadget-card:hover {
    transform: translateY(-10px);
    border-color: var(--bat-yellow);
    box-shadow: 0 10px 30px rgba(255, 204, 0, 0.1);
}


.bat-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 25px;
    background: var(--bat-yellow);
    color: black;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.8rem;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
    transition: 0.3s;
}

.bat-btn:hover {
    background: white;
    transform: scale(1.05);
}


.contact-hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000 100%);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.signal-container {
    z-index: 2;
    padding: 60px;
    border: 1px solid var(--bat-yellow);
    background: rgba(0, 0, 0, 0.85);
}

.social-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
}

.social-icon-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--bat-yellow);
    transition: 0.4s;
}

.bat-logo {
    width: 50px;
    height: 50px;
    filter: invert(80%) sepia(100%) saturate(1000%) hue-rotate(10deg);
    margin-bottom: 15px;
}

.social-icon-link:hover { transform: scale(1.1); }
.social-icon-link:hover .bat-logo { filter: invert(100%); }


@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero { height: 60vh; }
    .social-grid { flex-direction: column; gap: 40px; }
    .contact-hero { height: auto; padding: 100px 20px; }
}

.mini-footer {
    text-align: center;
    padding: 40px;
    font-size: 0.7rem;
    color: #555;
    letter-spacing: 2px;
}