/* Basic Reset & Global Styles */
:root {
    --primary-color: #005A9C; /* A professional blue */
    --secondary-color: #003F6B;
    --accent-color: #FDB813; /* A contrasting yellow/gold */
    --light-gray: #f4f4f4;
    --dark-gray: #333;
    --text-color: #333;
    --white-color: #ffffff;
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

p {
    margin-bottom: 1rem;
}

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

/* Navbar */
.navbar {
    background: var(--white-color);
    color: var(--text-color);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: background-color 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.navbar .nav-links {
    display: flex;
    list-style: none;
}

.navbar .nav-links li {
    margin-left: 20px;
}

.navbar .nav-links a {
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 90, 156, 0.7), rgba(0, 63, 107, 0.7)), url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d?q=80&w=2084&auto=format&fit=crop') no-repeat center center/cover;
    color: var(--white-color);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 60px; /* Offset for fixed navbar */
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 1rem auto 2rem;
}

.cta-button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--accent-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.cta-button:hover {
    background: #fdb100;
    transform: translateY(-2px);
}

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

/* Services Section */
.services-section {
    background-color: var(--light-gray);
}

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

.service-card {
    background: var(--white-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

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

/* About Section */
.about-section {
    background-color: var(--white-color);
}

.about-section .container {
    max-width: 800px;
    text-align: center;
}

/* Contact Section */
.contact-section {
    background-color: var(--light-gray);
}

.contact-section .container {
    max-width: 600px;
    text-align: center;
}

#contact-form .form-group {
    margin-bottom: 1.5rem;
}

#contact-form input,
#contact-form textarea {
    width: 100%;
    padding: 1rem;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-family: var(--font-family);
    font-size: 1rem;
}

#contact-form input:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

#contact-form button {
    width: 100%;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white-color);
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    .hero h1 {
        font-size: 2.8rem;
    }
    h2 {
        font-size: 2rem;
    }

    .navbar .container {
        flex-direction: column;
    }

    .navbar .nav-links {
        margin-top: 1rem;
    }

    .navbar .nav-links li {
        margin: 0 10px;
    }

    .hero {
        height: auto;
        padding: 8rem 0;
    }
}