:root {
    --bg-dark: #0a0f16;
    --text-main: #f8fafc;
    --accent-blue: #2563eb;
    --accent-glow: #3b82f6;
    --card-bg: #111827;
}

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

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 5%;
    background: rgba(10, 15, 22, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo span {
    color: var(--accent-blue);
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--accent-blue);
}

/* Hero Section */
.hero {
    height: 80vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 5%;
    position: relative;
}

/* Dark overlay for text readability */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(10,15,22,1) 0%, rgba(10,15,22,0.6) 100%);
}

.hero-content {
    position: relative;
    max-width: 600px;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.1rem;
    color: #94a3b8;
    margin-bottom: 2rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-blue);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.4);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent-glow);
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.6);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 5rem 5%;
}

.card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #64748b;
}