:root {
    --bg-dark: #050505;
    --surface: #111111;
    --surface-light: #1a1a1a;
    --text-primary: #f5f5f5;
    --text-secondary: #a3a3a3;
    --accent-glow: #00e5ff;
    --accent-purple: #8a2be2;
    --border-color: #262626;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: var(--bg-dark); color: var(--text-primary); line-height: 1.7; overflow-x: hidden; }

/* New Premium Ambient Neon Glow (Background) */
.ambient-glow-container {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1; overflow: hidden; background: var(--bg-dark);
}
.glow-orb {
    position: absolute; border-radius: 50%; filter: blur(120px);
    opacity: 0.35; animation: float 12s infinite alternate ease-in-out;
}
.glow-cyan {
    background: var(--accent-glow); width: 600px; height: 600px;
    top: -20%; left: -10%;
}
.glow-purple {
    background: var(--accent-purple); width: 500px; height: 500px;
    bottom: -10%; right: -10%; animation-delay: -5s;
}
@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 80px) scale(1.1); }
}

/* Header & Nav */
header {
    position: fixed; top: 0; width: 100%;
    background: rgba(5, 5, 5, 0.7); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 5%; display: flex; justify-content: space-between; align-items: center; z-index: 1000;
}
.brand-logo { font-weight: 800; font-size: 1.5rem; color: var(--text-primary); text-decoration: none; }
.brand-logo span { color: var(--accent-glow); }
nav ul { display: flex; list-style: none; gap: 30px; }
nav ul li a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: 0.3s; }
nav ul li a:hover, nav ul li a.active { color: var(--text-primary); text-shadow: 0 0 10px rgba(0,229,255,0.4); }

/* Layout & Utils */
main { padding: 150px 5% 80px; max-width: 1200px; margin: 0 auto; min-height: 85vh; }
.section-tag { color: var(--accent-glow); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; display: block; margin-bottom: 10px; }
.page-title { font-size: 3rem; font-weight: 800; margin-bottom: 40px; line-height: 1.2; }
p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 20px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 10px; padding: 12px 28px;
    background: var(--surface-light); border: 1px solid var(--border-color);
    color: var(--text-primary); text-decoration: none; border-radius: 6px; font-weight: 500; transition: 0.3s;
}
.btn:hover { border-color: var(--accent-glow); box-shadow: 0 0 15px rgba(0, 229, 255, 0.15); transform: translateY(-2px); }
.btn-primary { background: var(--text-primary); color: var(--bg-dark); }
.btn-primary:hover { background: var(--accent-glow); color: var(--bg-dark); box-shadow: 0 0 20px rgba(0, 229, 255, 0.4); }

/* Cards & Grid */
.grid { display: grid; grid-template-columns: 1fr; gap: 40px; }
.card {
    background: rgba(17, 17, 17, 0.7); backdrop-filter: blur(10px);
    border: 1px solid var(--border-color); border-radius: 12px; padding: 40px; transition: 0.3s;
}
.card:hover { border-color: rgba(255, 255, 255, 0.2); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.card h3 { font-size: 1.8rem; margin-bottom: 15px; color: #fff; }
.tech-pill { background: #222; padding: 6px 12px; border-radius: 20px; font-size: 0.8rem; color: #aaa; margin-right: 10px; }

footer { text-align: center; padding: 40px; border-top: 1px solid var(--border-color); color: var(--text-secondary); font-size: 0.9rem; }