/* ==========================================================================
   1. General Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.5;
    font-size: 14px;
}

/* ==========================================================================
   Header Banner & Floating Navigation
   ========================================================================== */
.site-header {
    position: relative;
    width: 100%;
}

/* 20% Viewport Height Banner Image Setup */
.header-banner-wrapper {
    width: 100%;
    height: 40vh;
    overflow: hidden;
    position: relative;
    background-color: #000000;
}

.header-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Prevents distorting or stretching the image */
    display: block;
    filter: brightness(60%);
    transition: filter 0.3s ease;
}

/* ==========================================================================
   Banner Text Overlay Styling
   ========================================================================== */
.banner-text-overlay {
    position: absolute;
    top: 55%; /* Centers slightly below dead-center to avoid the fixed top menu */
    left: 50%;
    transform: translate(-50%, -50%); /* Shifts container back to center completely */
    text-align: center;
    width: 90%; /* Keeps text from touching edges on small mobile layouts */
    max-width: 800px;
    z-index: 5;
    color: #ffffff; /* Crisp white text overlays */
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); /* Shadow ensures readability over complex images */
}

/* Banner Title Style */
.banner-text-overlay .banner-title {
    font-size: 3.2rem;
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: 8px;
    color: #ffffff !important; /* Forces title to stay white over dark banner background */
}

/* Banner Subtitle Style */
.banner-text-overlay .banner-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    opacity: 0.85;
    margin-bottom: 0; /* Prevents global paragraph margin from shifting position */
}

/* Smartphone adjust for banner typography */
@media (max-width: 768px) {
    .banner-text-overlay .banner-title {
        font-size: 2rem; /* Downscales smoothly on mobile phone viewports */
        font-weight: 300;
    }
    .banner-text-overlay .banner-subtitle {
        font-size: 1rem;
    }
}

/* Navigation Menu (Overlayed at the top initially, then stays fixed) */
.navigation-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0); /* Dark translucent overlay background */
    /* backdrop-filter: blur(5px);  Frosted glass accent over the banner image */
    z-index: 1000;
    /* This ensures it sticks to the top of the screen once the banner scrolls past */
    transition: background-color 0.5s ease, box-shadow 0.5s ease;
}

/* Nav Container Constraints */
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding 0.5s ease;
}

/* ==========================================================================
   Navigation Branding Layout with Icon Link
   ========================================================================== */
.nav-brand-container {
    display: flex;
    align-items: center; /* Centers the graphic and text perfectly on a vertical line */
    gap: 10px;          /* Small uniform breathing room between the icon and text */
    text-decoration: none; /* Prevents text from trying to underline because it's a link */
}

/* Small Brand Graphic Parameters */
.nav-brand-icon {
    width: auto;
    height: 24px;       /* Sets a clean, compact height that matches the font text perfectly */
    display: block;
    object-fit: contain;
}

.nav-brand-text {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.05rem;
}

/* Menu Navigation Links Setup */
.nav-links {
    display: flex;
    list-style: none;
    gap: 10px;
}

.navigation-menu a {
    text-decoration: none;
    color: #ffffff; /* White links for maximum contrast over overlay */
    font-weight: 600;
    font-size: 0.85rem;
    padding: 6px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.navigation-menu a:hover, 
.navigation-menu a.active {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.25);
}

/* Class applied dynamically when page scrolls down */
.navigation-menu.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navigation-menu.scrolled .nav-container {
    padding: 12px 20px; /* Gently slims the menu bar height as it fades to black */
}

/* ==========================================================================
   3. Sticky Header Shrink Modifiers (Triggered via JS)
   ========================================================================== */
.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95); /* Slight transparency on scroll */
    backdrop-filter: blur(10px); /* Modern frosted-glass effect */
    box-shadow: 0 4px 20px rgba(0,0,0,0.08); /* Distinct shadow when floating */
}

.site-header.scrolled .header-container {
    padding: 10px 20px; /* Compresses vertical spacing by half */
}

.site-header.scrolled .header-logo {
    height: 38px; /* Scales down the logo elegantly */
}

/* ==========================================================================
   4. Mobile Hamburger Button (Hidden on Desktop)
   ========================================================================== */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    height: 3px;
    width: 100%;
    background-color: #333;
    border-radius: 10px;
    transition: all 0.3s ease;
}

/* ==========================================================================
   5. Main Content Area Configuration
   ========================================================================== */
.content-area {
    max-width: 700px;
    margin: 40px auto;
    padding: 0 20px;
    min-height: 60vh; /* Pushes footer down on short pages */
}

/* Content Paragraph Spacing */
.content-area p {
    margin-bottom: 1.5rem; /* Creates a clean, uniform blank space below every paragraph */
}

/* Removes the extra space from the absolute last paragraph to keep the layout tidy */
.content-area p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Unordered Lists Custom Indentation
   ========================================================================== */
.content-area ul {
    padding-left: 35px;   /* Pushes the bullets cleanly to the right of the paragraph edge */
}

.content-area li {
    margin-bottom: 6px;    /* Adds a comfortable tiny gap between individual list items */
    font-size: 0.95rem;    /* Keeps list text clean and proportional */
}

/* ==========================================================================
   Headings Fine-Tuning
   ========================================================================== */
.content-area h1, 
.content-area h2, 
.content-area h3 {
    color: #1a1a1a;
    font-weight: 700;
    font-family: Georgia, 'Times New Roman', Times, serif;
    margin-bottom: 1rem; /* Space between the heading and the paragraph below it */
    line-height: 1.3;
    text-align: center;
}

/* Reduced headliner size */
.content-area h1 {
    font-size: 1.6rem; /* Clean, compact main title size */
}

/* Reduced sub-section headings */
.content-area h2 {
    font-size: 1.5rem;
    margin-top: 1.3rem; /* Breathing room above a new section title */
}

/* Reduced small subsection titles */
.content-area h3 {
    font-size: 1.3rem;
    margin-top: 1rem;
}


/* ==========================================================================
   6. Global Footer Architecture
   ========================================================================== */
.site-footer {
    text-align: center;
    background-color: #1a1a1a;
    color: #aeaeae;
    padding: 12px 20px; /* Reduced vertical padding significantly for a shorter bar */
    margin-top: 40px;   /* Pushes footer away from text layout blocks */
    font-size: 0.8rem;  /* Slightly tighter font size for a minimalist look */
    border-top: 1px solid #2a2a2a;
    width: 100%;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column; /* Stacked vertically by default on small mobile screens */
    justify-content: space-between;
    align-items: center;
    gap: 8px; /* Tighter padding gaps for mobile stacking layout shapes */
}

/* ==========================================================================
   Dynamic Desktop Overflow Dropdown Layout
   ========================================================================== */
.more-menu-item {
    position: relative;
    display: none; /* Kept hidden unless script identifies a screen squeeze */
}

/* Submenu block that drops down from the "More" link */
.dropdown-submenu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #1a1a1a;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    list-style: none;
    display: none; /* Hidden until hover */
    flex-direction: column;
    min-width: 160px;
    border-radius: 4px;
    padding: 8px 0;
    margin-top: 5px;
}

.dropdown-submenu li {
    width: 100%;
}

.dropdown-submenu a {
    display: block;
    padding: 10px 20px !important;
    color: #ffffff !important;
    font-size: 0.95rem;
    text-align: left;
    background-color: transparent !important;
    border-radius: 0;
}

.dropdown-submenu a:hover {
    background-color: #007bff !important; /* Blue background on hover inside dropdown */
}

/* Show the dropdown list smoothly when user hovers over the More item */
.more-menu-item:hover .dropdown-submenu {
    display: flex;
}

/* ==========================================================================
   7. Mobile Media Queries (Smartphones & Tablets)
   ========================================================================== */
@media (max-width: 768px) {
    /* Ensure the main bar stays visible at the top */
    .navigation-menu {
        background-color: rgba(0, 0, 0, 0.85) !important; /* Dark background on mobile for contrast */
    }

    .nav-container {
        padding: 15px 20px;
    }

    .menu-toggle {
        display: flex; /* Shows hamburger icon on mobile */
    }

    /* Target the link container with slide transitions */
    .nav-links {
        display: flex; /* Keep flex active so layout properties work */
        position: fixed;
        top: 60px; /* Sits directly below the navigation bar */
        left: 0;
        width: 100%;
        background-color: #1a1a1a;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        flex-direction: column; /* Stacks links vertically */
        gap: 0;

        /* --- Smooth Slide-Down Setup --- */
        max-height: 0; /* Shrunk completely by default */
        opacity: 0; /* Hidden from view */
        overflow: hidden; /* Prevents text from sticking out while closed */
        pointer-events: none; /* Disables clicking links when closed */
        transition: max-height 0.4s ease-in-out, opacity 0.3s ease-in-out;
    }

    /* Shows the links drop-down gracefully when the 'active' class is triggered */
    .nav-links.active {
        max-height: 600px; /* Large enough estimation to safely hold all your menu links */
        opacity: 1; /* Fully visible */
        pointer-events: auto; /* Allows links to be clickable again */
        padding: 15px 0; /* Restores padding smoothly */
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .navigation-menu a {
        display: block;
        padding: 15px 20px;
        border-radius: 0;
        width: 100%;
    }

    /* Transforms the hamburger lines into an 'X' icon when active */
    .menu-toggle.open .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .menu-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.open .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}

/* ==========================================================================
   9. Two-Column Split Layout (Map & Text)
   ========================================================================== */
.split-columns {
    display: flex;
    flex-direction: column; /* Stacks column boxes vertically on phones by default */
    gap: 30px; /* Comfortable spacing gutter between columns */
    margin-top: 40px; /* Pushes the split layout down from upper paragraphs */
}

.column {
    flex: 1; /* Assigns equal 50/50 sizing space allocations to both sides */
}

/* Map Framing Sizing Parameters */
.map-frame {
    width: 100%;
    height: 250px; /* Fixed height for the map canvas box */
    border: 1px solid #dddddd;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

/* Fix text spacing constraints inside the side panel box */
.right-text h3 {
    margin-top: 0; /* Keeps headline flush with top of map container */
}

.right-text p {
    margin-bottom: 12px; /* Margins for sidebar text paragraphs */
    font-size: 0.9rem; /* Sleek, slightly compact reading scale */
}

/* Media Query: Side-By-Side display rule for Tablet/Desktop */
@media (min-width: 580px) {
    .split-columns {
        flex-direction: row; /* Activates side-by-side columns */
        align-items: flex-start;
    }
}

/* ==========================================================================
   11. Smart Automated Image Gallery Grid (Multi-Row Support)
   ========================================================================== */
.gallery-grid-container {
    display: grid;
    /* Default: 1 column on small phones */
    grid-template-columns: repeat(1, 1fr); 
    gap: 20px; /* Uniform horizontal and vertical spacing gaps between cards */
    margin-top: 30px;
    width: 100%;
}

.gallery-card {
    background-color: #ffffff;
    border: 1px solid #e2e2e2;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
}

/* Image Cropping Sizing Filters */
.gallery-image-wrapper {
    width: 100%;
    aspect-ratio: 4 / 3; /* Keeps the card image areas uniform in size */
    overflow: hidden;
    background-color: #f0f0f0; /* Light grey backdrop to fill any empty space around thin images */
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-card:hover .gallery-img {
    transform: scale(1.04);
}

/* Card Text Spacing Config */
.gallery-content {
    padding: 14px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.gallery-content h3 {
    font-size: 1rem !important;
    text-align: left !important;
    margin-top: 0 !important;
    margin-bottom: 6px !important;
}

.gallery-content p {
    font-size: 0.82rem !important; /* Slightly tighter font size to stay readable inside grid squares */
    line-height: 1.4 !important;
    margin-bottom: 0 !important;
}

/* --- Responsive Layout Switches --- */

/* Tablet Mode: Split cleanly into 2 columns */
@media (min-width: 400px) and (max-width: 599px) {
    .gallery-grid-container {
        grid-template-columns: repeat(2, 1fr); 
    }
}

/* Desktop Mode: Automatically locks into a perfect 3-column multi-row grid layout */
@media (min-width: 600px) {
    .gallery-grid-container {
        grid-template-columns: repeat(3, 1fr); 
    }
}
/* ==========================================================================
   12. Lightbox Pop-Up Modal Styling
   ========================================================================== */
.lightbox-overlay {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 2000; /* Sits completely on top of everything, including fixed nav bars */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9); /* Dark translucent background */
    backdrop-filter: blur(8px); /* Modern frosted blur effect over background text */
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

/* The Pop-Up Image Configuration */
.lightbox-content-img {
    max-width: 90%;
    max-height: 80%;
    object-fit: contain; /* Ensures the complete picture scales cleanly without cropping */
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

/* Animate the image popping open */
.lightbox-overlay.active .lightbox-content-img {
    transform: scale(1);
}

/* Close Button (X) */
.lightbox-close-btn {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #ffffff;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.2s ease;
    user-select: none;
}

.lightbox-close-btn:hover {
    color: #007bff; /* Turns blue on hover */
}

/* Caption Text Box underneath image */
#lightbox-caption {
    margin-top: 15px;
    color: #cccccc;
    font-size: 0.9rem;
    text-align: center;
    max-width: 80%;
}

/* ==========================================================================
   14. Secure CSV Responsive Table Layout
   ========================================================================== */
.table-responsive-wrapper {
    display: none; /* Kept hidden initially */
    margin-top: 25px;
    width: 160%;
    max-width: 90vw; /* Keeps it safe on smaller laptops so it doesn't clip the screen */
    margin-left: 50%; /* Shifts the box center margin index line */
    transform: translateX(-50%); /* Pulls the container perfectly back to center symmetry */
    overflow-x: auto; /* Adds smooth horizontal swipe bars on small screens */
    border: 1px solid #e2e2e2;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    background-color: #ffffff;
}

/* Base Data Table Configuration */
.vault-data-table {
    width: 100%;
    border-collapse: collapse; /* Merges borders into clean tight single lines */
    text-align: left;
    font-size: 0.85rem;
}

/* Header Column Cells */
.vault-data-table th {
    background-color: #1a1a1a;
    color: #ffffff;
    font-weight: 600;
    padding: 12px 14px;
    /* Indicates the column headers are interactive buttons */
    cursor: pointer; 
    user-select: none;
    transition: background-color 0.2s ease;
}

/* Tints the header slightly lighter when hovered */
.vault-data-table th:hover {
    background-color: #333333;
}

/* Standard Internal Body Grid Cells */
.vault-data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #eeeeee;
    color: #444444;
    white-space: nowrap; /* Keeps specific table data lines unified across headers */
}

/* Zebra Striping: Tint alternate rows slightly grey for effortless scanning */
.vault-data-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* Hover highlights to track row eyes focus */
.vault-data-table tr:hover {
    background-color: #f1f5f9;
}

/* Smartphone Adaptive Spacing Reset */
@media (max-width: 768px) {
    .table-responsive-wrapper {
        width: 100%; /* Resets safely back to regular width constraints on phones */
        max-width: 100%;
        transform: none;
        margin-left: 0;
    }
}

/* ==========================================================================
   15. Data Export Action Controls
   ========================================================================== */
.table-actions-container {
    /* Uses the exact same width system as the table */
    width: 160%; 
    max-width: 90vw; 
    margin: 25px auto 10px auto;
    display: flex;
    justify-content: space-between; /* Pushes the buttons flush against the right edge */
    gap: 10px;

    /* Perfect center alignment balancing math */
    margin-left: 50%;
    transform: translateX(-50%);
}

.table-search-box {
    flex-grow: 1;
    max-width: 300px; /* Limits search bar width on large displays */
}

#table-search-input {
    width: 100%;
    padding: 6px 12px;
    font-size: 0.8rem;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    background-color: #ffffff;
    color: #333333;
    outline: none;
    transition: all 0.2s ease;
}

#table-search-input:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.table-download-buttons {
    display: flex;
    gap: 10px;
}

.action-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    background-color: transparent; /* Removes heavy block colors */
    border-radius: 4px;
    transition: all 0.2s ease;
    user-select: none;
}

.action-btn:active {
    transform: scale(0.98);
}

.csv-btn {
    border: 1px solid #d1d5db; /* Light grey border border line */
    color: #4b5563; /* Subtle dark grey text color */
}

.csv-btn:hover {
    background-color: #f3f4f6; /* Very faint grey tint on hover */
    color: #1f2937;
    border-color: #9ca3af;
}

.pdf-btn {
    border: 1px solid #d1d5db;
    color: #4b5563;
}

.pdf-btn:hover {
    background-color: #f3f4f6;
    color: #1f2937;
    border-color: #9ca3af;
}

/* Smartphone Adaptive Spacing Reset */
@media (max-width: 768px) {
    .table-actions-container {
        width: 100%; /* Resets safely back to regular constraints on mobile screens */
        max-width: 100%;
        transform: none;
        margin-left: 0;
        flex-direction: column;
        align-items: stretch;
    }
    .table-search-box {
        max-width: 100%;
    }
    .table-download-buttons {
        justify-content: center;
    }
}

/* ==========================================================================
   16. Unlocked Vault Success Message Layout
   ========================================================================== */
.vault-success-message {
    width: 100%;
    max-width: 90vw;
    margin: 30px auto 0 auto;

    /* Perfect center balancing math */
    margin-left: 50%;
    transform: translateX(-50%);

    background-color: #f8fafc; /* Faint slate grey cushion background tone */
    border: 1px solid #e2e8f0;
    border-left: 4px solid #1a1a1a; /* Clean thick black anchor accent bar */
    padding: 16px 20px;
    border-radius: 6px;
}

.vault-success-message p {
    font-size: 0.85rem !important;
    line-height: 1.45 !important;
    color: #475569;
    margin-bottom: 0 !important; /* Removes padding gaps at text container bases */
}

/* Smartphone Adaptive Spacing Reset */
@media (max-width: 768px) {
    .vault-success-message {
        width: 100%;
        max-width: 100%;
        transform: none;
        margin-left: 0;
    }
}