/* CSS Variables for Premium Architecture Brand */
:root {
    --bg-color: #0d0d0f;
    --card-bg: #141416;
    --gold-color: var(--color-beige-c, #c2b18f);
    --gold-hover: var(--color-beige-dark, #dcc59d);
    --text-white: #ffffff;
    --text-gray: #a1a1a6;
    --border-color: rgba(194, 177, 143, 0.2);
    --border-hover: rgba(194, 177, 143, 0.5);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --sans-font: 'Montserrat', sans-serif;
    --serif-font: 'Playfair Display', serif;
}

/* Reset and Demo Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-white);
    font-family: var(--sans-font);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Demo Page Wrapper */
.demo-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    background-image: radial-gradient(circle at top right, rgba(197, 160, 89, 0.08), transparent 45%);
}

.demo-header {
    text-align: center;
    margin-bottom: 60px;
}

.brand-logo {
    font-family: var(--serif-font);
    font-size: 2.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 12px;
}

.brand-logo .gold-text {
    color: var(--gold-color);
}

.brand-logo .white-text {
    color: var(--text-white);
}

.demo-subtitle {
    font-size: 1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* Demo Triggers - Floor Plans Section */
.demo-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    width: 100%;
}

.floor-plans-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    width: 100%;
    max-width: 700px;
}

.floor-plan-circle {
    width: 130px;
    height: 130px;
    border: 1px solid var(--gold-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s cubic-bezier(0.25, 1, 0.5, 1), transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer;
    text-decoration: none;
    background-color: transparent;
}

.floor-plan-circle:hover {
    background-color: rgba(194, 177, 143, 0.15);
    transform: scale(1.05);
}

.floor-plan-box {
    border: 1px solid var(--gold-color);
    padding: 8px 12px;
    min-width: 75px;
    text-align: center;
}

.floor-plan-text {
    color: var(--gold-color);
    font-size: 13px;
    font-weight: bold;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.instruction-note {
    font-size: 0.9rem;
    color: var(--gold-color);
    opacity: 0.8;
    letter-spacing: 0.05em;
}

/* PORTFOLIO OVERLAY MODAL (Initially Hidden) */
.portfolio-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background-color: rgba(10, 10, 12, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Active Modal State */
.portfolio-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Disable body scrolling when modal is open */
body.modal-open {
    overflow: hidden;
    padding-right: 15px; /* Prevent layout shift if scrollbars disappear */
}

/* Modal Content Container */
.modal-content-wrapper {
    position: relative;
    width: 90%;
    max-width: 1400px;
    margin: 80px auto;
    padding-bottom: 120px; /* Space for floating download button */
    transform: scale(0.95) translateY(20px);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Scale effect inside active Modal */
.portfolio-modal.active .modal-content-wrapper {
    transform: scale(1) translateY(0);
}

/* Close Button (Top Right) */
.modal-close-btn {
    position: fixed;
    top: 30px;
    right: 40px;
    z-index: 10000;
    background: rgba(20, 20, 22, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.modal-close-btn:hover {
    background-color: var(--gold-color);
    color: var(--bg-color);
    border-color: var(--gold-color);
    transform: rotate(90deg) scale(1.05);
}

/* Modal Header */
.gallery-modal-header {
    text-align: center;
    margin-bottom: 50px;
    display: block !important; /* Force block layout to override Bootstrap flexbox */
    border-bottom: none !important; /* Remove Bootstrap default border */
    padding: 0 !important; /* Remove Bootstrap default padding */
}

.gallery-modal-category {
    font-family: "Adelle-Sans-Bold", sans-serif !important;
    font-size: 0.85rem;
    color: var(--gold-color);
    letter-spacing: 0.25em;
    font-weight: bold;
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px;
}

.gallery-modal-title {
    font-family: "Adelle-Sans-Bold", sans-serif !important;
    font-size: 2.2rem;
    font-weight: normal;
    letter-spacing: 0.05em;
    color: var(--text-white);
    text-transform: uppercase;
    margin: 0;
}

.gallery-header-divider {
    width: 85px;
    height: 2px;
    background-color: var(--gold-color);
    margin: 20px auto 0;
}

/* Gallery Masonry Layout (Pinterest style) */
.gallery-masonry-grid {
    display: flex;
    gap: 24px;
    width: 100%;
}

.gallery-grid-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.gallery-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px var(--shadow-color);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    width: 100%;
    position: relative;
}

.gallery-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(197, 160, 89, 0.12), 0 8px 20px rgba(0, 0, 0, 0.4);
    border-color: var(--border-hover);
}

/* Image styling */
.gallery-card-image-wrap {
    overflow: hidden;
    position: relative;
    background-color: var(--card-bg);
}

.gallery-card-image-wrap img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Card details/footer */
.gallery-card-info {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.gallery-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 4px;
    letter-spacing: 0.03em;
}

.gallery-card-tag {
    font-size: 0.75rem;
    color: var(--gold-color);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
}

/* Hover overlay inside image wrapper */
.gallery-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(13, 13, 15, 0.8) 0%, rgba(13, 13, 15, 0) 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.gallery-card:hover .gallery-card-overlay {
    opacity: 1;
}

/* Floating Download Button */
.download-button-wrapper {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-modal.active .download-button-wrapper {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.download-portfolio-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--gold-color);
    color: var(--bg-color) !important;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 0 !important; /* Perfectly square corners, no border radius */
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.download-portfolio-btn:hover {
    background-color: #ffffff !important;
    color: var(--bg-color) !important;
}

.download-portfolio-btn:active {
    background-color: #ffffff !important;
}

.download-portfolio-btn .btn-icon {
    font-size: 0.95rem;
}

/* LIGHTBOX MODAL (Image Preview) */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 11000; /* Higher than portfolio modal */
    background-color: rgba(5, 5, 6, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Lightbox Close Button */
.lightbox-close-btn {
    position: absolute;
    top: 30px;
    right: 40px;
    z-index: 12000;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.lightbox-close-btn:hover {
    background-color: var(--text-white);
    color: var(--bg-color);
    border-color: var(--text-white);
    transform: rotate(90deg) scale(1.05);
}

/* Lightbox Navigation Slider Buttons */
.lightbox-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(20, 20, 22, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    font-size: 1.8rem;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 12000;
}

.lightbox-nav-btn:hover {
    background-color: var(--gold-color);
    color: var(--bg-color);
    border-color: var(--gold-color);
    transform: translateY(-50%) scale(1.05);
}

.lightbox-prev-btn {
    left: 40px;
}

.lightbox-next-btn {
    right: 40px;
}

@media (max-width: 768px) {
    .lightbox-nav-btn {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }
    .lightbox-prev-btn {
        left: 15px;
    }
    .lightbox-next-btn {
        right: 15px;
    }
}

/* Lightbox Content Container */
.lightbox-content {
    max-width: 90%;
    max-height: 85%;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.92);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-modal.active .lightbox-content {
    transform: scale(1);
}

.lightbox-image {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.7);
}

.lightbox-caption {
    margin-top: 20px;
    font-family: var(--serif-font);
    font-size: 1.3rem;
    color: var(--text-white);
    letter-spacing: 0.05em;
    text-align: center;
    font-style: italic;
    opacity: 0.9;
}

/* Responsive Breaks for Masonry Columns */
@media (max-width: 1200px) {
    .gallery-masonry-grid {
        gap: 20px;
    }
    .gallery-grid-column {
        gap: 20px;
    }
    .modal-content-wrapper {
        width: 92%;
    }
}

@media (max-width: 768px) {
    .gallery-masonry-grid {
        gap: 16px;
    }
    .gallery-grid-column {
        gap: 16px;
    }
    .brand-logo {
        font-size: 2.2rem;
    }
    .gallery-modal-title {
        font-size: 2rem;
    }
    .modal-close-btn {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    .lightbox-close-btn {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    .download-portfolio-btn {
        padding: 8px 16px;
        font-size: 0.7rem;
    }
    .floor-plans-container {
        gap: 16px;
    }
    .floor-plan-circle {
        width: 100px;
        height: 100px;
    }
    .floor-plan-box {
        padding: 4px 8px;
        min-width: 60px;
    }
    .floor-plan-text {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .gallery-masonry-grid {
        gap: 16px;
    }
    .gallery-grid-column {
        gap: 16px;
    }
    .modal-content-wrapper {
        width: 90%;
        margin: 60px auto;
    }
    .gallery-modal-title {
        font-size: 1.6rem;
    }
    .download-button-wrapper {
        width: 90%;
        /* left: 5%; */
        transform: translateY(0);
    }
    .download-portfolio-btn {
        width: 100%;
        border-radius: 0 !important;
        padding: 10px 16px;
    }
    .floor-plans-container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        justify-items: center;
        max-width: 260px;
    }
}