:root {
    /* --- VSwAF Monochrome Authority Palette --- */
    --c-bg-main: #ffffff;       /* Pure White */
    --c-bg-alt: #f8f9fa;        /* Ultra Light Grey for sections */
    --c-bg-dark: #000000;       /* Pure Black */
    
    --c-accent: #000000;        /* Black Accent */
    --c-accent-hover: #333333;  /* Dark Grey Hover */
    
    --c-text-main: #000000;     /* Black Text */
    --c-text-muted: #525252;    /* Dark Grey Text */
    --c-text-light: #ffffff;    /* White Text (for dark sections) */
    
    --c-border: #e5e5e5;        /* Light Border */
    --c-border-strong: #000000; /* Strong Border */

    --c-success: #000000;
    --c-error: #000000;

    /* --- Typography --- */
    --f-heading: 'Montserrat', sans-serif;
    --f-body: 'Montserrat', sans-serif;
    
    /* --- Layout & Effects --- */
    --radius-sm: 0px; /* Sharp corners for professional/military look */
    --radius-md: 0px;
    --shadow-subtle: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
    
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--c-bg-main);
    color: var(--c-text-main);
    font-family: var(--f-body);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- Utilities --- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-accent { color: var(--c-accent); }
.text-muted { color: var(--c-text-muted); }
.text-white { color: var(--c-text-light) !important; }
.bg-dark { background-color: var(--c-bg-dark); color: var(--c-text-light); }
.uppercase { text-transform: uppercase; letter-spacing: 0.15em; }
.mb-4 { margin-bottom: 2rem; }
.mt-4 { margin-top: 2rem; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--f-heading);
    color: var(--c-text-main);
    font-weight: 800; /* Extra Bold default for headings */
    line-height: 1.1;
    letter-spacing: -0.02em; /* Tighter tracking for impact */
}

h1.mega-title {
    font-size: clamp(3.5rem, 9vw, 7rem);
    letter-spacing: -0.03em;
    text-transform: uppercase;
    margin-bottom: 0.5rem; /* Reduced from 1.5rem */
    color: var(--c-text-light); /* Kept white for hero overlay */
    text-shadow: 0 10px 30px rgba(0,0,0,0.5);
    font-weight: 900; /* Black weight for maximum impact */
}

h2.section-heading {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 1.5rem;
    color: var(--c-text-main);
    font-weight: 800;
}

h2.section-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--c-accent);
}

p.lead {
    font-size: 1.2rem;
    color: var(--c-text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
    text-align: center;
    font-weight: 400;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
    background: transparent;
    border-bottom: 1px solid rgba(0,0,0,0.05); /* Subtle dark border for white pages */
}

/* Navbar on Dark Backgrounds (like Home Hero) */
.navbar.navbar-overlay {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.95); /* White background on scroll */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 110px;
    width: auto;
    /* Default: Dark logo for white pages */
    filter: none; /* Source is already black */
    transition: var(--transition-fast);
}

/* Logo on Overlay (Home) */
.navbar-overlay .logo img {
    filter: invert(100%) brightness(200%); /* Invert black to white */
}

/* Logo when Scrolled (Always Black) */
.navbar.scrolled .logo img,
.navbar-overlay.scrolled .logo img {
    filter: none; /* Return to original black */
}

.logo-text {
    font-family: var(--f-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--c-text-main); /* Default Black */
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.navbar-overlay .logo-text {
    color: var(--c-text-light); /* White on Overlay */
}

.navbar.scrolled .logo-text,
.navbar-overlay.scrolled .logo-text {
    color: var(--c-text-main); /* Black on Scroll */
}

.nav-menu {
    display: flex;
    gap: 3rem;
}

.nav-link {
    text-decoration: none;
    color: var(--c-text-main); /* Default Black */
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    transition: var(--transition-fast);
    position: relative;
}

.navbar-overlay .nav-link {
    color: rgba(255,255,255,0.8); /* White on Overlay */
}

.navbar.scrolled .nav-link,
.navbar-overlay.scrolled .nav-link {
    color: var(--c-text-muted); /* Dark Grey on Scroll */
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--c-text-light);
    transition: var(--transition-fast);
}

.navbar.scrolled .nav-link::after {
    background: var(--c-accent);
}

.nav-link:hover, .nav-link.active {
    color: var(--c-text-light);
    opacity: 1;
}

.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active {
    color: var(--c-text-main);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* --- Buttons --- */
.btn-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 3rem;
    font-family: var(--f-body);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-decoration: none;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
}

.cta-btn:not(.outline) {
    background: var(--c-text-light);
    color: var(--c-bg-dark);
}

.cta-btn:not(.outline):hover {
    background: #e5e5e5;
    transform: translateY(-2px);
}

.cta-btn.outline {
    background: transparent;
    border-color: var(--c-text-light);
    color: var(--c-text-light);
}

.cta-btn.outline:hover {
    background: var(--c-text-light);
    color: var(--c-bg-dark);
}

.btn-portal {
    padding: 0.75rem 1.5rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--c-text-light);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-fast);
    font-weight: 600;
}

.navbar.scrolled .btn-portal {
    border-color: var(--c-accent);
    color: var(--c-accent);
    background: transparent;
}

.btn-portal:hover, .navbar.scrolled .btn-portal:hover {
    background: var(--c-text-light);
    color: var(--c-bg-dark);
    border-color: var(--c-text-light);
}

.navbar.scrolled .btn-portal:hover {
    background: var(--c-accent);
    color: var(--c-text-light);
    border-color: var(--c-accent);
}

/* --- Hero Section --- */
.hero-section {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #000;
}

.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 0.5;
    filter: grayscale(100%) contrast(120%); /* Black and White imagery */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.8));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 1000px;
}

.hero-tag {
    display: inline-block;
    color: var(--c-text-light);
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    font-weight: 700;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 0.5rem 1.5rem;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(5px);
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    max-width: 700px;
    margin: 0.5rem auto 3rem; /* Reduced top margin from 0 to 0.5rem, but since title has 0.5rem margin-bottom, total gap is 1rem */
    font-weight: 500; /* Increased weight for better readability */
}

/* --- Page Headers (Subpages) --- */
.page-header {
    padding: 10rem 0 5rem;
    background: var(--c-bg-alt);
    border-bottom: 1px solid var(--c-border);
    text-align: center;
}

.page-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--c-text-main);
}

.breadcrumb {
    color: var(--c-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

/* --- Features Section (Cards) --- */
.section {
    padding: 8rem 0;
    background: var(--c-bg-main);
}

.section:nth-child(even) {
    background: var(--c-bg-alt);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--c-bg-main);
    border: 1px solid var(--c-border);
    padding: 4rem 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--c-accent);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--c-text-main);
    margin-bottom: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: var(--f-heading);
    color: var(--c-text-main);
}

.feature-card p {
    color: var(--c-text-muted);
    font-size: 1rem;
}

/* --- Fleet Cards --- */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 4rem;
}

.fleet-card {
    background: var(--c-bg-main);
    border: 1px solid var(--c-border);
    display: grid;
    grid-template-columns: 1fr;
    overflow: hidden;
    transition: var(--transition-smooth);
}

@media (min-width: 900px) {
    .fleet-card {
        grid-template-columns: 2fr 3fr;
    }
}

.fleet-img-box {
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--c-text-muted);
    border-right: 1px solid var(--c-border);
}

.fleet-content {
    padding: 3rem;
}

.fleet-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--c-accent);
}

.fleet-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--c-border);
    padding-top: 2rem;
}

.spec {
    font-size: 0.7rem;
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.spec span {
    display: block;
    font-size: 1.1rem;
    color: var(--c-text-main);
    font-weight: 700;
    margin-top: 0.5rem;
    font-family: var(--f-heading);
}

/* --- Roster Table --- */
.roster-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    background: var(--c-bg-main);
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-subtle);
}

.roster-table th, .roster-table td {
    padding: 1.5rem 2rem;
    text-align: left;
    border-bottom: 1px solid var(--c-border);
}

.roster-table th {
    background: var(--c-bg-alt);
    font-family: var(--f-heading);
    color: var(--c-text-main);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.roster-table td {
    color: var(--c-text-muted);
    font-weight: 500;
}

.rank-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--c-bg-dark);
    color: var(--c-text-light);
    font-size: 0.7rem;
    margin-right: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* --- Stats Section --- */
.stats-section {
    padding: 6rem 0;
    border-bottom: 1px solid var(--c-border);
    background: var(--c-bg-main);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 4rem;
    color: var(--c-text-main);
    margin-bottom: 0.5rem;
    font-weight: 400; /* Thinner, more elegant */
}

.stat-item p {
    color: var(--c-text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 700;
}

/* --- Footer --- */
footer {
    background: var(--c-bg-dark);
    padding: 6rem 0 3rem;
    color: var(--c-text-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 5rem;
}

.footer-logo-group {
    display: flex;
    gap: 2rem;
    align-items: center;
    justify-content: flex-end; /* Align to right to match links */
    flex-wrap: wrap;
}

/* Footer images - Original Colors */
.footer-logo, .footer-logo-group img {
    height: 100px;
    width: auto;
    filter: none; /* Show original colors */
    opacity: 1;
    transition: var(--transition-fast);
}

.footer-logo:hover, .footer-logo-group img:hover {
    opacity: 0.8;
}

.footer-brand h4 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--c-text-light);
    display: none; /* Hide text title if logo is present, or we can keep it. Let's hide it for cleaner look if logo is used */
}

.footer-brand p {
    color: rgba(255,255,255,0.5);
}

.footer-links-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
    justify-content: flex-end;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: var(--transition-fast);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    font-weight: 600;
}

.footer-links a:hover {
    color: var(--c-text-light);
}

.copyright {
    text-align: center;
    color: rgba(255,255,255,0.3);
    font-size: 0.8rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* --- Animations --- */
[data-scroll] {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); /* Snappier, more impactful */
    will-change: transform, opacity;
}

[data-scroll].in-view {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    .mega-title {
        font-size: 3rem;
    }

    /* Mobile Menu Logic */
    .mobile-toggle {
        display: block !important; /* Force show on mobile */
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--c-text-main);
        z-index: 1001;
    }

    .navbar-overlay .mobile-toggle {
        color: var(--c-text-light);
    }
    
    .navbar.scrolled .mobile-toggle,
    .navbar-overlay.scrolled .mobile-toggle {
        color: var(--c-text-main);
    }

    .nav-menu {
        display: flex; /* Keep flex, but hide offscreen */
        position: fixed;
        top: 0;
        right: -100%; /* Slide out by default */
        width: 100%;
        height: 100vh;
        background: var(--c-bg-main);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999; /* Behind toggle button */
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.5rem; /* Larger text for touch */
        color: var(--c-text-main) !important; /* Always black on mobile menu bg */
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Default state for toggle */
.mobile-toggle {
    display: none;
}