:root {
    --p: #00ff88; --s: #00bcd4; --bg: #050507; --card: #111116; --text: #e0e0e0;
}
body {
    margin: 0; font-family: 'Tajawal', sans-serif; background: var(--bg); color: var(--text); overflow-x: hidden;
}
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 10%; background: rgba(0,0,0,0.8); backdrop-filter: blur(15px);
    position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid #222;
}
.logo { font-size: 1.8rem; font-weight: 900; color: var(--p); text-transform: uppercase; letter-spacing: 2px; }
.nav-links a { color: white; text-decoration: none; margin-left: 25px; font-weight: 600; transition: 0.3s; }
.nav-links a:hover { color: var(--p); text-shadow: 0 0 10px var(--p); }

.hero {
    height: 80vh; display: flex; flex-direction: column; justify-content: center;
    align-items: center; text-align: center; background: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
}
.hero h1 { font-size: 5rem; margin: 0; background: linear-gradient(to right, var(--p), var(--s)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.btn-main {
    background: transparent; border: 2px solid var(--p); color: var(--p);
    padding: 15px 40px; border-radius: 5px; font-weight: bold; cursor: pointer;
    transition: 0.4s; position: relative; overflow: hidden;
}
.btn-main:hover { background: var(--p); color: black; box-shadow: 0 0 30px var(--p); }

.section-title { text-align: center; font-size: 2.5rem; margin-top: 80px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; padding: 50px 10%; }
.card { background: var(--card); padding: 40px; border-radius: 10px; border: 1px solid #222; transition: 0.3s; }
.card:hover { transform: translateY(-10px); border-color: var(--s); }

footer { padding: 50px; text-align: center; border-top: 1px solid #222; margin-top: 100px; opacity: 0.8; }