@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Montserrat:wght@300;400;700&display=swap');

:root {
    --bg-color: #f8f7f4;
    --surface-color: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: rgba(0, 0, 0, 0.55);
    --accent-color: #b8924a;
    /* Warm gold, works on light bg */
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --glass: rgba(255, 255, 255, 0.85);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
.logo {
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 4px;
}

#global-bg {
    display: none;
}

#global-overlay {
    display: none;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: rgba(248, 247, 244, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
}

#project-title {
    position: fixed;
    top: 0;
    left: 20px;
    height: 52px;
    display: flex;
    align-items: center;
    z-index: 1001;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: #ffffff;
    pointer-events: none;
    white-space: nowrap;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
    letter-spacing: 1px;
}

/* Hero Section */
header {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background-color: #000;
    overflow: hidden;
}

/* Override text colors for the header so they show on the dark photo */
header h1 {
    color: #ffffff;
}

header p {
    color: var(--accent-color);
}

header h1 {
    font-size: 5rem;
    margin-bottom: 10px;
    font-weight: 300;
}

header p {
    color: var(--accent-color);
    font-size: 1.2rem;
    letter-spacing: 8px;
    text-transform: uppercase;
}

/* Section Styling */
section {
    padding: 100px 50px;
    max-width: 1600px;
    margin: 0 auto;
}

.section-head {
    margin-bottom: 60px;
    text-align: center;
}

.section-head h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-head .divider {
    width: 50px;
    height: 2px;
    background: var(--accent-color);
    margin: 20px auto;
}

/* Gallery Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 30px;
}

.card {
    position: relative;
    background: var(--surface-color);
    aspect-ratio: 16/9;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.card img,
.card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease, opacity 0.8s ease;
    filter: brightness(0.8);
    opacity: 0;
}

.card.loaded img,
.card.loaded video {
    opacity: 1;
}

.card.loading {
    background: linear-gradient(90deg, #0f0f0f 25%, #1a1a1a 50%, #0f0f0f 75%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite linear;
}

.card.loaded {
    background: var(--surface-color);
    animation: none;
}

.card.error {
    background: #1a0a0a;
    animation: none;
}

.card.error::after {
    content: 'Media unavailable';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.7rem;
    color: rgba(255, 100, 100, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@keyframes shimmer {
    from {
        background-position: -200% 0;
    }

    to {
        background-position: 200% 0;
    }
}

.card:hover img,
.card:hover video {
    transform: scale(1.05);
    filter: brightness(1);
}

.card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    opacity: 0;
    transition: var(--transition);
}

.card:hover .card-info {
    opacity: 1;
}

.card-info h3 {
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.card-info .pdf-download {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
    border-radius: 2px;
}

.card-info .pdf-download:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

.card-number {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: var(--bg-color);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 2px;
    z-index: 10;
    font-family: 'Montserrat', sans-serif;
}

.category-divider {
    grid-column: 1 / -1;
    margin-top: 60px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

.category-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 3px;
    color: var(--accent-color);
    text-transform: uppercase;
}

/* Categories Filter */
.filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    padding: 8px 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}

.modal-content {
    background: var(--surface-color);
    padding: 60px 40px;
    border-radius: 8px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.modal-content h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.modal-content p {
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.6;
}

#modal-close,
.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    line-height: 1;
}

#modal-close:hover,
.close-btn:hover {
    color: var(--accent-color);
}

.description-modal-content {
    max-width: 800px;
    max-height: 85vh;
    overflow-y: auto;
    text-align: left;
    padding: 60px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) rgba(0, 0, 0, 0.1);
}

.description-modal-content::-webkit-scrollbar {
    width: 6px;
}

.description-modal-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.description-modal-content::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

.description-modal-content .modal-title {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.description-modal-content .divider {
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    margin: 20px 0 40px 0;
}

.description-body p {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

.description-body strong {
    color: var(--accent-color);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.description-body ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 25px;
}

.description-body ul li {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.8;
    padding-left: 20px;
    position: relative;
    margin-bottom: 6px;
}

.description-body ul li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 600;
}

.mission-statement {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Lightbox */
#lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
}

#lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

#lightbox-media {
    max-width: 100%;
    max-height: 80vh;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

#lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

#lightbox h4 {
    margin-top: 20px;
    text-align: center;
    color: var(--accent-color);
    letter-spacing: 2px;
}


/* ── DWG Avatar Card ─────────────────────────────────────────── */
.dwg-card {
    background: linear-gradient(135deg, #071828 0%, #0d2a4a 100%);
    border: 1px solid rgba(58, 143, 216, 0.35);
    cursor: default !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dwg-card:hover {
    border-color: rgba(58, 143, 216, 0.7);
    box-shadow: 0 0 24px rgba(58, 143, 216, 0.2);
}

.dwg-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    width: 100%;
    height: 100%;
    justify-content: center;
}

.dwg-avatar svg {
    width: 90px;
    height: 90px;
    filter: drop-shadow(0 0 10px rgba(100, 200, 255, 0.3));
}

.dwg-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #64c8ff;
    text-align: center;
}

.dwg-sub {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 1px;
    font-family: monospace;
    text-align: center;
}

.dwg-download {
    display: inline-block;
    margin-top: 6px;
    padding: 7px 18px;
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
    border-radius: 2px;
}

.dwg-download:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 16px rgba(209, 184, 148, 0.4);
}

/* Interactive Spatial Map */
.map-section {
    padding: 80px 50px;
    background: linear-gradient(to bottom, var(--bg-color), rgba(13, 42, 74, 0.05));
}

.map-controls {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 52px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding: 0 16px 0 230px;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(184, 146, 74, 0.25);
    overflow-x: auto;
    flex-wrap: nowrap;
}

.btn-map {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 5px 11px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.68rem;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-map:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

.search-box {
    position: relative;
    width: 130px;
    flex-shrink: 0;
    margin-top: 0;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color);
    font-size: 0.8rem;
    font-weight: 700;
}

#asset-search {
    width: 100%;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 10px 10px 10px 30px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    border-radius: 4px;
    outline: none;
    transition: var(--transition);
}

#asset-search:focus {
    background: rgba(0, 0, 0, 0.82);
    box-shadow: 0 0 15px rgba(184, 146, 74, 0.2);
}

#asset-search::placeholder {
    color: rgba(184, 146, 74, 0.4);
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

.search-error {
    animation: shake 0.2s ease-in-out 0s 2;
    border-color: #ff4d4d !important;
}

.map-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-image: url('080_SiteImagery_01.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.map-container.nodes-hidden svg {
    opacity: 0;
    pointer-events: none;
}

.map-container svg {
    transition: opacity 0.5s ease;
}

.node-edit-panel {
    display: none;
    position: absolute;
    top: 100px;
    right: 30px;
    z-index: 20;
    background: rgba(10, 10, 10, 0.9);
    border: 1px solid var(--accent-color);
    padding: 15px 20px;
    border-radius: 8px;
    width: 200px;
    flex-direction: column;
    gap: 10px;
    color: white;
}

.node-edit-panel[style*="block"] {
    display: flex !important;
}

.node-edit-panel h4 {
    color: var(--accent-color);
    margin-bottom: 5px;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-align: center;
    width: 100%;
}

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

.edit-group label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

.edit-group input {
    width: 60px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 3px 5px;
    border-radius: 3px;
    text-align: center;
    font-family: monospace;
}

.edit-group input:focus {
    border-color: var(--accent-color);
    outline: none;
}

/* Back to Map Button */
.back-to-map {
    text-align: center;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-back-map {
    display: inline-block;
    padding: 12px 32px;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    border-radius: 3px;
    transition: var(--transition);
}

.btn-back-map:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px rgba(209, 184, 148, 0.3);
    letter-spacing: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    .map-container {
        height: 400px;
    }

    header h1 {
        font-size: 3rem;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    nav {
        padding: 20px;
    }

    .nav-links {
        display: none;
    }
}

/* Tablet — compact text buttons, no icon-only mode */
@media (max-width: 1024px) {
    .map-controls {
        padding-left: 16px;
        gap: 4px;
    }

    #project-title {
        display: none;
    }

    .btn-map {
        padding: 5px 7px;
        font-size: 0.58rem;
        gap: 3px;
        letter-spacing: 0.5px;
    }

    .btn-map .icon {
        font-size: 0.85rem;
    }

    .search-box {
        width: 100px;
    }

    #asset-search {
        font-size: 0.58rem;
        padding: 6px 6px 6px 24px;
    }

    .search-icon {
        font-size: 0.7rem;
        left: 8px;
    }
}