:root {
    --primary: #1e3a8a; /* Deep Blue */
    --secondary: #0ea5e9; /* Sky Blue */
    --accent: #f59e0b; /* Amber */
    --background: #f8fafc;
    --text: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--secondary);
}

.btn {
    background: var(--secondary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(14, 165, 233, 0.8)), url('../img/cbg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Sections */
section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
}

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