:root {
    --bg-dark: #05070a;
    --accent-blue: #0051ff;
    --card-bg: #0f1218;
    --text-main: #ffffff;
    --text-dim: #94a3b8;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 10%;
    position: fixed;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 7, 10, 0.8);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo { font-weight: 800; font-size: 1.4rem; letter-spacing: 1px; color: var(--accent-blue); }
.logo span { color: #fff; }

.nav-links { display: flex; list-style: none; }
.nav-links li { margin-left: 2.5rem; }
.nav-links a { text-decoration: none; color: var(--text-main); font-size: 0.85rem; font-weight: 400; transition: 0.3s; }
.nav-links a:hover { color: var(--accent-blue); }

/* Hero */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?auto=format&fit=crop&q=80&w=2070') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(5,7,10,0.9), rgba(5,7,10,0.4));
}

.hero-content { position: relative; z-index: 10; padding: 0 10%; }
.hero h1 { font-size: 4.5rem; font-weight: 700; margin-bottom: 1.5rem; line-height: 1.1; }
.hero p { font-size: 1.2rem; color: var(--text-dim); max-width: 700px; margin: 0 auto 2.5rem; }

.btn { padding: 15px 35px; text-decoration: none; font-size: 0.9rem; font-weight: 600; transition: 0.4s; border-radius: 4px; display: inline-block; margin: 0 10px; }
.btn.primary { background: var(--accent-blue); color: white; }
.btn.secondary { border: 1px solid white; color: white; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.3); }

/* Services */
.services { padding: 120px 10%; }
.section-title { text-align: center; margin-bottom: 80px; }
.section-title h2 { font-size: 2.5rem; margin-bottom: 15px; }
.line { width: 60px; height: 4px; background: var(--accent-blue); margin: 0 auto; }

.container { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-card { background: var(--card-bg); padding: 50px; border: 1px solid #1e293b; transition: 0.4s; }
.service-card:hover { border-color: var(--accent-blue); }
.icon { font-size: 3rem; margin-bottom: 20px; display: block; }
.service-card h3 { margin-bottom: 15px; }
.service-card p { color: var(--text-dim); font-size: 0.95rem; }

/* Stats Bar */
.stats-bar { display: flex; justify-content: space-around; background: #001540; padding: 60px 10%; text-align: center; }
.stat-item strong { display: block; font-size: 2.5rem; color: var(--accent-blue); }
.stat-item span { color: var(--text-dim); text-transform: uppercase; letter-spacing: 2px; font-size: 0.7rem; }

footer { padding: 60px 10%; text-align: center; border-top: 1px solid #1e293b; color: #475569; font-size: 0.9rem; }

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}

/* Contact Section */
.contact-section { padding: 100px 10%; background: #080a0e; }
.contact-container { max-width: 800px; margin: 0 auto; }

.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border: 1px solid #1e293b;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 15px;
    background: #05070a;
    border: 1px solid #1e293b;
    color: white;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-blue);
}

.contact-form .btn {
    margin: 0;
    cursor: pointer;
    border: none;
}