:root {
    --primary-color: #0066cc; /* Professional Blue */
    --secondary-color: #1a1a1a; /* Dark Tech Grey */
    --accent-color: #00ccff; /* Tech Cyan */
    --bg-light: #f8f9fa;
    --bg-dark: #121212;
    --text-dark: #333333;
    --text-light: #ffffff;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--secondary-color) !important;
}

.nav-link {
    color: var(--secondary-color) !important;
    font-weight: 600;
    margin-left: 1rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: #0052a3;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
    max-width: 600px;
}

/* Services */
.service-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-color: var(--primary-color);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: #94a3b8;
    padding: 4rem 0 2rem;
}

footer h5 {
    color: white;
    margin-bottom: 1.5rem;
}

footer a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: white;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}