:root {
    --primary-color: #002c5f; /* Deep Corporate Blue */
    --secondary-color: #005eb8; /* Brighter Blue for accents */
    --accent-color: #ffd100; /* Subtle Gold/Yellow for calls to action */
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --nav-height: 80px;
}

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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Header & Nav */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--nav-height);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo img {
    height: 80px; /* Increased by 60% from 50px */
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 90vh;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-top: var(--nav-height);
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 44, 95, 0.7), rgba(0, 44, 95, 0.4));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    max-width: 600px;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    background-color: var(--secondary-color);
    color: var(--white);
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
    transition: background 0.3s;
}

.btn:hover {
    background-color: var(--primary-color);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--white);
    margin-left: 15px;
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-title .line {
    width: 60px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 0 auto;
}

/* Features/Services Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    border-bottom: 4px solid transparent;
}

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

.card h3 {
    margin: 20px 0;
    color: var(--primary-color);
}

/* Stats Section */
.stats {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
}

/* Footer */
footer {
    background-color: #051429;
    color: #a0a0a0;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a:hover {
    color: var(--white);
}

.copyright {
    text-align: center;
    border-top: 1px solid #1a2b42;
    padding-top: 20px;
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}