/* Color Palette and CSS Variables */
:root {
    --primary-color: #A6B1C2; /* Light blue from the palette */
    --primary-dark: #7a889f; /* A darker shade for contrast */
    --neutral-light: #f5f5f5; /* Light grey for backgrounds */
    --neutral-medium: #e0e0e0;
    --neutral-dark: #333333; /* Dark grey for text */
    --text-color: #333333;
    --background-color: #ffffff;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px; /* Offset for sticky nav */
}

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

h1, h2, h3 {
    margin-bottom: 1rem;
    color: var(--neutral-dark);
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Accessibility: Keyboard Navigation Focus Styles */
a:focus-visible,
button:focus-visible,
.cta-button:focus-visible {
    outline: 3px solid var(--primary-dark);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -1000px;
    left: -1000px;
    background-color: var(--primary-color);
    color: var(--background-color);
    padding: 0.5rem 1rem;
    z-index: 1001;
    text-decoration: none;
    font-weight: bold;
    border-radius: 0 0 5px 0;
    transition: top var(--transition-speed);
}

.skip-link:focus {
    top: 0;
    left: 0;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--background-color);
    text-transform: uppercase;
    transition: color var(--transition-speed);
}

a.logo:hover {
    color: var(--neutral-dark);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--background-color);
    font-weight: bold;
    font-size: 1rem;
    transition: color var(--transition-speed);
}

nav ul li a:hover {
    color: var(--neutral-dark);
}

/* Container */
section {
    padding: 6rem 2rem 4rem 2rem; /* Increased top padding to account for nav when navigating directly to section via URL */
    max-width: 1200px;
    margin: 0 auto;
}

/* Sections Backgrounds */
section:nth-child(even) {
    background-color: var(--neutral-light);
    border-radius: 8px;
}

/* 1. Hero Section */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--primary-color);
    color: var(--background-color);
    padding: 0 1rem;
    max-width: 100%;
    border-radius: 0;
}

.hero-content h1 {
    font-size: 3rem;
    color: var(--background-color);
    margin-bottom: 1rem;
}

.sub-headline {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.value-prop {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--neutral-dark);
    color: var(--background-color);
    border-radius: 5px;
    font-size: 1.25rem;
    transition: background-color var(--transition-speed);
}

.cta-button:hover {
    background-color: var(--primary-dark);
}

/* 2. Core Competencies Grid */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-item {
    background-color: var(--background-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    border-top: 5px solid var(--primary-color);
}

.grid-item h3 {
    color: var(--primary-dark);
}

/* Policy Content */
.policy-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.05rem;
    background-color: var(--background-color);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.policy-content p {
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

.policy-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
    font-size: 1.5rem;
}

.policy-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--neutral-dark);
    font-size: 1.2rem;
}

.policy-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.policy-content li {
    margin-bottom: 0.5rem;
}

.policy-content hr {
    border: 0;
    height: 1px;
    background-color: var(--neutral-medium);
    margin: 2rem 0;
}

/* 3. Quality Assurance */
.quality-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.quality-content p {
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 4px solid var(--primary-color);
}

/* 5. Leadership Team */
.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.leader {
    text-align: center;
}

.leader h3 {
    margin-bottom: 0.5rem;
}

.leader .title {
    font-weight: bold;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.leader .bio {
    font-size: 0.9rem;
    color: var(--neutral-dark);
}

/* 6. Company Data & Contact */
.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
    background-color: var(--background-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-info > div {
    flex: 1;
    min-width: 250px;
}

.business-identifiers ul {
    list-style-type: none;
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--background-color);
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        padding: 1rem;
    }

    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 0.5rem;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .sub-headline {
        font-size: 1.25rem;
    }

    h2 {
        font-size: 2rem;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}