:root {
    --main-bg: #0f1113;
    --card-bg: #1a1d21;
    --accent: #00a8ff;
    --accent-hover: #0081c3;
    --text-main: #e0e0e0;
    --text-dim: #a0a0a0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--main-bg); color: var(--text-main); font-family: 'Segoe UI', Roboto, sans-serif; line-height: 1.6; }

/* Header & Nav */
header { position: sticky; top: 0; z-index: 1000; background: rgba(15, 17, 19, 0.95); backdrop-filter: blur(10px); }
.top-bar { display: flex; justify-content: space-between; padding: 5px 5%; background: #000; font-size: 0.8rem; color: var(--accent); border-bottom: 1px solid #333; }
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 15px 5%; border-bottom: 1px solid #222; }
.logo { text-decoration: none; color: #white; font-weight: 800; font-size: 1.4rem; letter-spacing: 1px; }
.logo span { color: var(--accent); }
.nav-menu { list-style: none; display: flex; gap: 25px; }
.nav-menu a { text-decoration: none; color: var(--text-main); font-weight: 500; transition: 0.3s; }
.nav-menu a:hover { color: var(--accent); }

/* Hero Section */
.hero { height: 60vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1531297484001-80022131f5a1?auto=format&fit=crop&w=1200&q=80'); background-size: cover; padding: 20px; }
.hero h1 { font-size: 3rem; margin-bottom: 10px; }

/* Grid System */
.container { max-width: 1200px; margin: 40px auto; padding: 0 20px; }
.grid-services { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
.card { background: var(--card-bg); padding: 25px; border-radius: 12px; border: 1px solid #333; transition: 0.4s; }
.card:hover { border-color: var(--accent); transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,168,255,0.1); }
.card h3 { color: var(--accent); margin-bottom: 15px; }

/* Contact Form */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
form { display: flex; flex-direction: column; gap: 15px; }
input, textarea { background: #25282c; border: 1px solid #444; padding: 12px; border-radius: 6px; color: #fff; }
.btn { background: var(--accent); color: #fff; border: none; padding: 15px 30px; border-radius: 6px; cursor: pointer; font-weight: bold; transition: 0.3s; text-decoration: none; display: inline-block; text-align: center; }
.btn:hover { background: var(--accent-hover); }

/* Animations */
.animate-on-scroll { opacity: 0; transform: translateY(20px); transition: 0.6s all ease-out; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* Footer */
footer { background: #000; padding: 60px 5% 20px; margin-top: 60px; }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; }
.footer-section h4 { color: var(--accent); margin-bottom: 20px; }
.footer-section p, .footer-section a { color: var(--text-dim); text-decoration: none; font-size: 0.9rem; }
.footer-bottom { text-align: center; padding-top: 40px; border-top: 1px solid #222; margin-top: 40px; font-size: 0.8rem; color: #555; }

@media (max-width: 768px) { .contact-wrapper { grid-template-columns: 1fr; } .hero h1 { font-size: 2rem; } }