/* ========================================================= */
/* 1. Global Styles and Variables */
/* ========================================================= */

:root {
    /* XpertMaint Brand Colors */
    --color-primary-blue: #1A4D9B; /* Deep Blue from logo - for main elements */
    --color-accent-red: #D73327; /* Red from logo - for highlight/CTA */
    --color-text-dark: #333333;
    --color-text-light: #ffffff;
    --color-bg-light: #f9f9f9;
    --color-bg-white: #ffffff;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --spacing-section: 80px;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-bg-white);
    scroll-behavior: smooth;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

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

/* Headings and Titles */
.section-title {
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-primary-blue);
}

.red-accent { color: var(--color-accent-red); }
.blue-accent { color: var(--color-primary-blue); }

/* Buttons (Call-to-Action) */
.btn {
    display: inline-block;
    padding: 10px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent-red);
    color: var(--color-text-light);
    border-color: var(--color-accent-red);
}

.btn-primary:hover {
    background-color: #A3261F; /* Darker Red */
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1em;
}

.btn-full {
    width: 100%;
    margin-top: 10px;
}

/* ========================================================= */
/* 2. Header and Navigation (Multi-Page Updates) */
/* ========================================================= */

#main-header {
    background-color: var(--color-bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 1.5em;
    font-weight: 700;
    color: var(--color-primary-blue);
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

#main-header nav ul {
    list-style: none;
    display: flex;
    align-items: center;
}

#main-header nav ul li {
    margin-left: 20px;
}

#main-header nav ul li a {
    color: var(--color-text-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 10px;
    transition: color 0.3s;
}

#main-header nav ul li a:hover:not(.btn) {
    color: var(--color-primary-blue);
}

/* Styles for the ACTIVE link, added for multi-page highlighting */
#main-header nav ul li a.active {
    color: var(--color-primary-blue);
    font-weight: 700;
    border-bottom: 3px solid var(--color-primary-blue);
}

/* Style for the active CTA button link */
#main-header nav ul li a.active-btn {
    background-color: var(--color-primary-blue);
    border-color: var(--color-primary-blue);
    color: var(--color-text-light) !important;
}

#main-header nav ul li a.active-btn:hover {
     background-color: #0d3674; /* Darker Blue */
}

/* ========================================================= */
/* 3. Hero/Introduction Section (Used on index.php) */
/* ========================================================= */

.hero-section {
    padding: 100px 0;
    background-color: var(--color-bg-light);
}

.hero-section .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3em;
    color: var(--color-primary-blue);
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-content .subtitle {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--color-accent-red);
    margin-bottom: 15px;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* ========================================================= */
/* 4. Features Section (Used on features.php) */
/* ========================================================= */

.features-section {
    background-color: var(--color-bg-white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--color-bg-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
    border-top: 5px solid var(--color-primary-blue);
}

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

.feature-card h3 {
    color: var(--color-primary-blue);
    font-size: 1.5em;
    margin-bottom: 15px;
}

.feature-card ul {
    list-style: none;
}

.feature-card ul li {
    padding-left: 1.5em;
    position: relative;
    margin-bottom: 8px;
}

.feature-card ul li::before {
    content: '\2713'; /* Checkmark unicode */
    position: absolute;
    left: 0;
    color: var(--color-accent-red); /* Red checkmark */
    font-weight: bold;
}


/* ========================================================= */
/* 5. Benefits Section (Used on benefits.php) */
/* ========================================================= */

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

.benefit-role {
    margin-bottom: 60px;
}

.role-title {
    font-size: 2em;
    text-align: center;
    margin-bottom: 30px;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit-item {
    background-color: var(--color-bg-white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.benefit-item h4 {
    color: var(--color-primary-blue);
    font-size: 1.25em;
    margin-bottom: 10px;
}

/* Alternating border colors for visual separation of roles */
.benefit-role:nth-child(even) .benefit-item {
    border-left: 4px solid var(--color-accent-red);
}

.benefit-role:nth-child(odd) .benefit-item {
    border-left: 4px solid var(--color-primary-blue);
}


/* ========================================================= */
/* 6. Competitive Advantage Section (Used on advantage.php) */
/* ========================================================= */

.advantage-section {
    background-color: var(--color-primary-blue);
    color: var(--color-text-light);
}

.advantage-section .section-title {
    color: var(--color-text-light); /* Override title color for dark background */
}

.advantage-section .blue-accent {
    color: var(--color-text-light);
}

.advantage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.advantage-grid ul {
    list-style: none;
    padding-left: 0;
}

.advantage-grid ul li {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    border-left: 5px solid var(--color-accent-red);
    font-weight: 400;
}

.advantage-grid ul li strong {
    font-weight: 700;
    color: var(--color-accent-red);
}

/* ========================================================= */
/* 7. Home Page Overview (New Section for index.php) */
/* ========================================================= */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.overview-card {
    background: var(--color-bg-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    border-top: 4px solid var(--color-accent-red); /* Visual marker */
}

.overview-card h3 {
    margin-bottom: 10px;
    font-size: 1.5em;
}

.overview-card p {
    margin-bottom: 20px;
}


/* ========================================================= */
/* 8. New Footer and Contact Page Styles (Used on all pages) */
/* ========================================================= */

.site-footer {
    background-color: var(--color-text-dark);
    color: var(--color-text-light);
    padding: 30px 0;
    text-align: center;
}

.site-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.site-footer .contact-details-area {
    margin-bottom: 20px;
}

.contact-details-area h3 {
    color: var(--color-accent-red);
    margin-bottom: 20px;
    font-size: 1.7em;
}

.contact-details-area ul {
    list-style: none;
    margin-top: 20px;
    padding: 0;
}

.contact-details-area ul li {
    margin-bottom: 10px;
}

.contact-details-area a {
    color: var(--color-bg-light);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-details-area a:hover {
    color: var(--color-accent-red);
}

.copyright {
    padding: 30px 0 10px 0;
    font-size: 0.8em;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
    text-align: center;
    width: 100%;
}

/* Dedicated Contact Form Page Styles (contact.php) */
.contact-section {
    background-color: var(--color-bg-light);
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background-color: var(--color-bg-white);
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-form-container h3 {
    color: var(--color-accent-red);
    font-size: 2em;
    text-align: center;
    margin-bottom: 25px;
}

/* Form Styles */
.form-group {
    margin-bottom: 15px;
}

.contact-form-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--color-text-dark);
}

.contact-form-container input[type="text"],
.contact-form-container input[type="email"],
.contact-form-container input[type="tel"],
.contact-form-container textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: var(--color-bg-white);
    color: var(--color-text-dark);
    font-family: inherit;
}


/* ========================================================= */
/* 9. Media Queries (Responsiveness) */
/* ========================================================= */

@media (max-width: 900px) {
    .hero-section .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    .hero-content h1 {
        font-size: 2.5em;
    }

    .advantage-grid {
        grid-template-columns: 1fr; /* Stack advantage lists */
    }
}

@media (max-width: 600px) {
    #main-header .container {
        flex-direction: column;
        gap: 10px;
    }
    
    #main-header nav ul {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    #main-header nav ul li {
        margin-left: 0;
    }

    .section-title {
        font-size: 2em;
    }
    
    .hero-content h1 {
        font-size: 2em;
    }
    
    .btn-large {
        width: 100%;
    }
}