/* Basic Reset & Global Styles */
:root {
    --color-primary-blue: #0056B3; /* Deep Blue - for headings, main accents */
    --color-secondary-blue: #007BFF; /* Brighter Blue - for buttons, links */
    --color-accent-gray: #6C757D; /* Muted Gray - for secondary text, borders */
    --color-light-gray: #F8F9FA; /* Very Light Gray - for subtle backgrounds */
    --color-white: #FFFFFF;
    --color-black: #212529; /* Dark text */

    --font-family-sans: 'Inter', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 96px;

    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
}

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

body {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-black);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.8em; line-height: 1.2; }
h2 { font-size: 2.2em; line-height: 1.3; }
h3 { font-size: 1.75em; line-height: 1.4; }
p { margin-bottom: var(--spacing-sm); }

.lead {
    font-size: 1.25em;
    font-weight: 400;
    color: var(--color-accent-gray);
    margin-bottom: var(--spacing-md);
}
.lead-sm {
    font-size: 1.1em;
    font-weight: 400;
    color: var(--color-accent-gray);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-secondary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-primary-blue);
}

ul {
    list-style: none;
}

/* Layout & Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.section-blue-bg {
    background-color: var(--color-light-gray);
}

.text-center {
    text-align: center;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1em;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-secondary-blue);
    color: var(--color-white);
}

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

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

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

.btn-lg {
    padding: 15px 30px;
    font-size: 1.1em;
    border-radius: var(--border-radius-lg);
}

/* Header */
.header {
    background-color: var(--color-white);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5em;
    font-weight: 700;
    color: var(--color-primary-blue);
}

.logo-img {
    height: 40px; /* Adjust as needed */
    margin-right: 10px;
}

.nav-list {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
}

.nav-link.active, .nav-link:hover {
    background-color: var(--color-light-gray);
    color: var(--color-primary-blue);
}

.header-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    font-size: 1.5em;
    color: var(--color-primary-blue);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-white) 100%);
    padding: var(--spacing-xl) 0;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.hero-content {
    flex: 1;
    min-width: 300px; /* Ensure content doesn't get too small */
}

.hero-content h1 {
    font-size: 3.5em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-blue);
}

.hero-content .lead {
    font-size: 1.3em;
    color: var(--color-accent-gray);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card .icon-lg {
    font-size: 3em;
    color: var(--color-secondary-blue);
    margin-bottom: var(--spacing-xs);
}

.feature-card h3 {
    font-size: 1.25em;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary-blue);
}

.feature-card p {
    color: var(--color-accent-gray);
    font-size: 0.95em;
}

/* Content Sections (Left/Right Image) */
.content-left-image, .content-right-image {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.content-left-image .content-image,
.content-right-image .content-image {
    flex: 1;
    min-width: 300px;
    order: 1; /* Default order for left image */
}

.content-right-image .content-image {
    order: 2; /* Image on right */
}

.content-left-image .content-text,
.content-right-image .content-text {
    flex: 1;
    min-width: 300px;
    order: 2; /* Default order for left image */
}

.content-right-image .content-text {
    order: 1; /* Text on left */
}

.content-text h2 {
    color: var(--color-primary-blue);
}

.content-text p {
    color: var(--color-black);
}

.content-text ul {
    margin-bottom: var(--spacing-md);
}

.content-text ul li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent-gray);
}

.content-text ul li .fas {
    color: var(--color-secondary-blue);
    margin-right: var(--spacing-xs);
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.testimonial-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: left;
}

.testimonial-card .quote {
    font-style: italic;
    font-size: 1.1em;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--color-primary-blue);
    font-size: 0.95em;
}

/* Footer */
.footer {
    background-color: var(--color-primary-blue);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.footer .container {
    padding-top: var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-col h3 {
    color: var(--color-white);
    font-size: 1.2em;
    margin-bottom: var(--spacing-sm);
}

.footer-col p, .footer-col ul li {
    font-size: 0.9em;
    line-height: 1.8;
}

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

.footer-col a:hover {
    color: var(--color-secondary-blue);
}

.footer-col .logo {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-col .logo-img {
    filter: brightness(0) invert(1); /* Makes logo white */
}

.footer-col .social-links {
    margin-top: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
}

.footer-col .social-links a {
    font-size: 1.2em;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-col .social-links a:hover {
    background-color: var(--color-secondary-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85em;
}

/* Utility classes */
.mb-md { margin-bottom: var(--spacing-md); }

/* Responsive Adjustments */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.8em;
    }
    .nav {
        display: none; /* Hide nav on smaller screens */
        position: absolute;
        top: 60px; /* Below header */
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        z-index: 999;
        padding: var(--spacing-sm) 0;
    }

    .nav.is-open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }

    .nav-link {
        width: 90%;
        text-align: center;
        padding: 10px 0;
    }

    .nav-toggle {
        display: block; /* Show toggle button */
    }

    .header-actions {
        display: none; /* Hide header actions on smaller screens, can be moved into mobile nav */
    }

    .hero .container,
    .content-left-image,
    .content-right-image {
        flex-direction: column;
        text-align: center;
    }

    .content-left-image .content-image,
    .content-right-image .content-image {
        order: unset; /* Reset order for mobile */
    }

    .content-left-image .content-text,
    .content-right-image .content-text {
        order: unset; /* Reset order for mobile */
    }

    .content-text ul {
        text-align: left; /* Keep bullet points aligned left */
    }

    .hero-actions {
        justify-content: center;
    }

    h1 { font-size: 2.5em; }
    h2 { font-size: 1.8em; }
    h3 { font-size: 1.4em; }

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

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.2em;
    }
    .hero-content .lead {
        font-size: 1.1em;
    }
    .feature-grid, .testimonial-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .header-actions