/* --- Global Styles & Variables --- */
:root {
    
    --bg-primary: #FFFFFF; 
    --bg-dark-theme: #1A1D24; 

    --text-light: #F0F4F8;   
    --text-dark: #2C3038;    
    --text-headings-dark: #1A1D24; 

    --accent-primary-orange: #FF4E00; 
    --accent-secondary-red: #D90429;  
    --accent-highlight-yellow: #FFB800; 

    --border-light: #E8EAEF;
    --border-dark: #3A3F4A;
    --border-radius: 6px;
    --box-shadow-light: 0 4px 12px rgba(0, 0, 0, 0.05);
    --box-shadow-dark: 0 4px 12px rgba(0, 0, 0, 0.2);

    --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-headings: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-primary);
    line-height: 1.65;
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-dark);
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 90%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    color: var(--text-headings-dark);
    line-height: 1.2;
    margin-top: 0;
    font-weight: 700;
}

h2 { /* For section titles */
    text-align: center;
    font-size: 2.3rem;
    margin-bottom: 45px;
    position: relative;
    padding-bottom: 15px;
}
h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-primary-orange); /* Orange underline */
    border-radius: 1.5px;
}

p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}
.text-center-medium {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

a {
    color: var(--accent-secondary-red); /* Red for links */
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--accent-primary-orange);
}

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

/* --- Header & Navigation  --- */
.main-header {
    background-color: var(--bg-dark-theme);
    color: var(--text-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    box-shadow: var(--box-shadow-dark);
}

.navbar-container { /* To constrain the navbar items */
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: auto; 
}

.navbar { 
    display: flex;
    justify-content: space-between; 
    align-items: center;
    width: 100%;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}
.nav-links.nav-left,
.nav-links.nav-right {
    flex: 1; 
}
.nav-links.nav-left { justify-content: flex-start; }
.nav-links.nav-right { justify-content: flex-end; }

.nav-links li { margin: 0 15px; }
.nav-links a {
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    color: var(--text-light);
    opacity: 0.85;
    font-size: 0.95rem;
}
.nav-links a:hover,
.nav-links a.active {
    opacity: 1;
    color: var(--accent-highlight-yellow);
}

.nav-logo-center {
    flex-shrink: 0; 
    padding: 10px 20px; 
    display: flex;
    align-items: center;
    justify-content: center;
}
#center-logo {
    height: 80px;       
    max-height: 90px;   
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.3)); 
}


/* Dropdown for Docs */
.dropdown { position: relative; }
.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--bg-dark-theme);
    min-width: 180px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    z-index: 1;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    margin-top: 5px; /* Space from parent */
    border: 1px solid var(--border-dark);
}
.dropdown-content a {
    color: var(--text-light);
    padding: 10px 15px;
    text-decoration: none;
    display: block;
    font-weight: 500;
    font-size: 0.9rem;
}
.dropdown-content a:hover {
    background-color: rgba(255,255,255,0.05);
    color: var(--accent-highlight-yellow);
}
.dropdown:hover .dropdown-content { display: block; }
.dropbtn .fa-caret-down { margin-left: 5px; font-size: 0.8em; }

.menu-toggle { display: none; font-size: 1.6rem; cursor: pointer; color: var(--text-light); }

/* Mobile Navigation Structure  */
.mobile-nav {
    display: none;
    position: absolute;
    top: 70px; 
    left: 0;
    width: 100%;
    background-color: var(--bg-dark-theme);
    box-shadow: 0 3px 5px rgba(0,0,0,0.2);
    padding-top: 10px;
    z-index: 999;
}
.mobile-nav.active { display: block; }
.mobile-nav-logo-center {
    display: block;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-dark);
    margin-bottom: 10px;
}
.mobile-nav-logo-center img {
    height: 45px;      /* LARGER MOBILE LOGO */
    max-height: 50px;  /* MAX MOBILE LOGO HEIGHT */
    width: auto;
    margin: 0 auto;
    display: block;

}
.mobile-nav-links-list { list-style: none; padding: 0; margin: 0; }
.mobile-nav-links-list li a {
    display: block;
    padding: 12px 20px;
    color: var(--text-light);
    text-decoration: none;
    border-bottom: 1px solid var(--border-dark);
    text-align: center;
}
.mobile-nav-links-list li:last-child a { border-bottom: none; }
.mobile-nav-links-list li a:hover { background-color: rgba(255,255,255,0.05); color: var(--accent-highlight-yellow); }


/* --- Hero Section  --- */
.hero {
    background-color: var(--bg-primary); /* Light background for the section */
    padding: 60px 0;
    min-height: calc(80vh - 70px); 
    display: flex;
    align-items: center;
}
.hero-container {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap; /* Allow stacking on smaller screens */
}
.hero-text-content {
    flex: 1;
    min-width: 300px;
    padding-right: 30px; /* Space between text and image */
}
.hero-text-content h1 {
    font-size: 3rem; 
    color: var(--text-headings-dark);
    margin-bottom: 1rem;
    line-height: 1.15;
    font-weight: 800; 
}
.hero-text-content .highlight-orange {
    color: var(--accent-primary-orange);
}
.hero-text-content .subtitle {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}
.hero-text-content .intro-statement {
    font-size: 1.05rem;
    color: var(--text-dark-secondary);
    margin-bottom: 2rem;
}
.hero-cta-buttons .cta-button { margin-right: 15px; margin-bottom: 10px;}

.hero-image-content {
    flex: 1.2; 
    min-width: 320px;
    max-height: 70vh; 
    overflow: hidden;
    border-radius: var(--border-radius);
}
.hero-image-content img { 
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-dark);
}

/* CTA Buttons */
.cta-button {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    text-align: center;
}
.cta-button.primary {
    background-color: var(--accent-primary-orange);
    color: var(--text-light);
}
.cta-button.primary:hover {
    background-color: #E04000; /* Darker orange */
    transform: translateY(-2px);
}
.cta-button.secondary {
    background-color: transparent;
    color: var(--accent-secondary-red);
    border-color: var(--accent-secondary-red);
}
.cta-button.secondary:hover {
    background-color: var(--accent-secondary-red);
    color: var(--text-light);
}
.cta-button.document {
    background-color: var(--text-dark);
    color: var(--text-light);
    margin: 5px;
}
.cta-button.document:hover {
    background-color: var(--text-headings-dark);
}
.cta-button i { margin-right: 8px; }


/* --- Content Sections Below Hero --- */
.content-section { padding: 60px 0; }
.alternate-bg { background-color: #FAFAFC; }

.content-with-image { /* For overview section */
    display: flex;
    align-items: flex-start;
    gap: 30px;
    flex-wrap: wrap;
}
.content-with-image .text-content,
.content-with-image .image-content {
    flex: 1;
    min-width: 300px;
}
.content-with-image .image-content img {
    border: none !important;
    padding: 0 !important;
    box-shadow: none !important;
    display: flex;
    justify-content: center;
    align-items: center;
    border: none !important;
    outline: none !important;
    background-color: transparent !important;}

  #project-overview .content-with-image .text-content {
    flex: 1; 
}


#project-overview .content-with-image .image-content {
    flex: 1.5; 
    display: flex;
    justify-content: center;
    align-items: center;
    border: none !important;
    padding: 0 !important;
    background-color: transparent !important;
    box-shadow: none !important;
}


#project-overview .content-with-image .image-content img {
    max-width: 100%;  
    width: 100%;      
    height: auto;    
    display: block;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    border-radius: 0 !important; 
    background-color: transparent !important; 
}



.solution-layout .image-content { order: 2; }
.solution-layout .text-content {
    order: 1; 
    flex-grow: 1%; 
    flex-basis: 35%;
    padding-right: 20px;
}

.solution-layout .image-content.solution-diagram {
    order: 2; 
    flex-basis: 65%;
    flex-grow: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    border: none !important;    
    padding: 0 !important;
    background-color: transparent !important;
    box-shadow: none;
}

.solution-layout .image-content.solution-diagram img {
    max-width: 100%;
    width: 100%;        
    height: auto;
    display: block;
    border-radius: 0; 
    box-shadow: none !important;
    border: none !important;
    outline: none !important;
    background-color: transparent !important; 
}


/* Feature Grid (for Challenges) */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}
.feature-item {
    background-color: var(--bg-primary);
    padding: 25px;
    text-align: center;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-light);
    border: 1px solid var(--border-light);
}
.feature-item i {
    font-size: 2.5rem;
    color: var(--accent-primary-orange);
    margin-bottom: 15px;
}
.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--text-headings-dark);
}

/* Solution Feature List */
.solution-feature-list { list-style: none; padding: 0; }
.solution-feature-list li { display: flex; align-items: center; margin-bottom: 15px; font-size: 1.05rem;}
.solution-feature-list li i { font-size: 1.3rem; color: var(--accent-primary-orange); margin-right: 12px; width: 25px; text-align: center; vertical-align: top;}
.solution-feature-list li div strong { color: var(--text-headings-dark); }

/* --- Team Section  --- */
.team-members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 30px;
    margin-top: 20px;
    margin-bottom: 25px;
}
.team-member-card {
    background-color: var(--bg-primary);
    padding: 25px 20px;
    text-align: center;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-light);
    border: 1px solid var(--border-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.team-member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-highlight-yellow);
}
.team-member-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 15px auto;
    border: 3px solid var(--accent-primary-orange);
    background-color: var(--border-light);
}
.team-member-card h3 { font-size: 1.2rem; color: var(--text-headings-dark); margin-bottom: 5px; font-weight: 600; }
.team-member-id { font-size: 0.8rem; color: #777; margin-bottom: 8px; display: block; }
.team-member-role { font-size: 0.95rem; color: var(--text-dark); font-style: italic; }
.supervisor-mention { text-align: center; margin-top: 30px; font-size: 1.1rem; color: var(--text-headings-dark); }

/* Documentation Buttons */
.resource-buttons { text-align: center; margin-top: 20px; }
.resource-buttons .cta-button { margin: 10px; }

/* --- VM Demonstration Preview Image --- */
.vm-preview-image-container {
    margin-top: 30px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%; 
}

.vm-preview-image {
    max-width: 700px;   
    width: 100%;        
    height: auto;       
    display: block;     
    margin: 0 auto;     
    border-radius: var(--border-radius); 
    box-shadow: var(--box-shadow-light); 
}

/* Contact Form Simple */
.contact-form-simple { max-width: 600px; margin: 30px auto 0; }
.form-group-inline { display: flex; gap: 15px; margin-bottom: 15px; flex-wrap: wrap; }
.form-group-inline input { flex: 1; min-width: 200px; }
.form-group { margin-bottom: 15px; }
.contact-form-simple input, .contact-form-simple textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    font-size: 1rem;
    font-family: var(--font-primary);
    background-color: #FDFDFD;
}
.contact-form-simple input:focus, .contact-form-simple textarea:focus {
    outline: none;
    border-color: var(--accent-primary-orange);
    box-shadow: 0 0 0 2px rgba(255, 78, 0, 0.15);
}
.contact-form-simple .cta-button.submit {
    width: 100%;
    background-color: var(--accent-secondary-red);
    color: var(--text-light);
}
.contact-form-simple .cta-button.submit:hover { background-color: #C00020; }
.confirmation-message {
    display: none; margin-top: 20px; padding: 12px;
    background-color: #E6F7F0; color: var(--text-dark);
    border: 1px solid var(--accent-highlight-yellow); border-radius: var(--border-radius);
    text-align: center; font-size: 0.95rem;
}
.confirmation-message i { margin-right: 8px; color: var(--accent-highlight-yellow); }


/* --- Footer --- */
.main-footer {
    background-color: var(--bg-dark-theme);
    color: var(--accent-highlight-yellow);
    text-align: center;
    padding: 25px 0;
    font-size: 0.9rem;
}
.main-footer p { margin: 5px 0; color: #A0A8B8; }
.main-footer p:first-child { font-weight: 600; color: var(--accent-highlight-yellow); }


/* --- Responsive Adjustments --- */
@media (max-width: 992px) { /* Tablet and larger mobile */
    .navbar { flex-wrap: wrap; }
    .nav-links.nav-left, .nav-links.nav-right { display: none; }
    .nav-logo-center { order: -1; margin: 0 auto; }
    .menu-toggle { display: block; order: 1; margin-left: auto;}

    .hero-container { flex-direction: column; text-align: center; }
    .hero-text-content { padding-right: 0; margin-bottom: 30px; order: 2;}
    .hero-image-content { order: 1; max-height: 45vh; width: 100%;}
    .hero-text-content h1 { font-size: 2.5rem; }
    .hero-text-content .subtitle { font-size: 1.1rem; }
    .hero-cta-buttons { display: flex; flex-direction: column; align-items: center; gap: 10px; }
    .hero-cta-buttons .cta-button { width: 80%; max-width: 300px; margin-left: 0 !important; }

     .solution-layout .text-content,
    .solution-layout .image-content.solution-diagram {
        order: initial; 
        flex-basis: 100%; 
        width: 100%;
        padding-right: 0; 
    }
    .solution-layout .text-content {
        margin-bottom: 30px; 
    }
    .solution-layout .image-content.solution-diagram img {
        max-width: 100%; 
    }

    h2 { font-size: 2rem; }
    .content-with-image { flex-direction: column; }
    .content-with-image .text-content, .content-with-image .image-content { width:100%; }
    .solution-layout .image-content { order: 1; margin-bottom: 30px; }
    .solution-layout .text-content { order: 2; }

    
}

@media (max-width: 768px) {
    .navbar-container { height: auto;  }
    #center-logo { height: 35px;  }
    .menu-toggle { font-size: 1.5rem; }

    .mobile-nav { top: 60px;  }
    .mobile-nav-logo-center img {
        height: 40px; 
        max-height: 45px;
    }

    .vm-preview-image {
        max-width: 90%; 
    }

    .hero { padding: 50px 0 70px 0; min-height: auto;}
    .hero-text-content h1 { font-size: 2.1rem; }
    .hero-text-content .subtitle { font-size: 1rem; }
    .hero-image-content { max-height: 40vh; }

    h2 { font-size: 1.8rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .form-group-inline { flex-direction: column; gap: 0; }
    .form-group-inline input { margin-bottom: 15px; }
}

@media (max-width: 480px) {
    body { font-size: 15px; }
    .hero-text-content h1 { font-size: 1.9rem; }
    .hero-text-content .subtitle { font-size: 1rem; }
    h2 { font-size: 1.7rem; }
    .nav-logo-center { padding: 0 10px;}
    #center-logo { height: 30px;  }
    .navbar-container { height: 55px; } 
    .menu-toggle { font-size: 1.4rem; }
    .mobile-nav { top: 55px; }
    .mobile-nav-logo-center img { height: 35px; max-height: 40px; }

    .cta-button { font-size: 0.9rem; padding: 10px 22px; }

     .vm-preview-image {
        max-width: 95%;  
    }
}