:root {
    /* Microsoft-ish Palette */
    --primary-color: #0078D4;
    /* Azure Blue */
    --primary-dark: #005a9e;
    --secondary-color: #2b2b2b;
    /* Dark Grey */
    --light-grey: #f3f2f1;
    --white: #ffffff;
    --text-color: #323130;
    --border-color: #e1dfdd;

    /* Spacing */
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;

    /* Typography */
    --font-family: 'Segoe UI', 'Segoe UI Web (West European)', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
    --font-size-base: 16px;
    --font-size-h1: 42px;
    --font-size-h2: 32px;
    --font-size-h3: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.14);
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 15px;
}

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.section-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
    text-align: center;
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

/* Header */
.site-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

/* Navigation */
.main-nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

.main-nav a {
    font-weight: 500;
    color: var(--secondary-color);
    font-size: 15px;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.hero-btn {
    background-color: var(--white);
    color: var(--primary-color);
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 4px;
    display: inline-block;
}

.hero-btn:hover {
    background-color: var(--light-grey);
    color: var(--primary-dark);
}

/* Trust Signals / Microsoft Logo Strip */
.trust-strip {
    background-color: var(--light-grey);
    padding: 40px 0;
    text-align: center;
}

.trust-title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #605e5c;
    margin-bottom: 24px;
}

.tech-logos {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    opacity: 0.7;
    font-weight: bold;
    font-size: 24px;
    color: #777;
    /* Placeholder for logos */
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    padding: 32px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

.service-card p {
    color: #605e5c;
    margin-bottom: 24px;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Features/Expertise Highlight */
.feature-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-image {
    background-color: #eee;
    height: 400px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
}

/* Footer */
.site-footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

.footer-col h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-md);
    color: var(--light-grey);
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col a:hover {
    text-decoration: underline;
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    font-size: 14px;
    color: #aaa;
}

/* Mobile Toggle */
.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        /* JS will toggle this */
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .feature-section {
        grid-template-columns: 1fr;
    }
}