/* Premium CSS for Sagar Marbles */
:root {
    --gold: #D4AF37;
    --gold-hover: #C5A059;
    --charcoal: #1a1a1a;
    --light-grey: #f8f9fa;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--charcoal);
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    background-color: var(--charcoal);
    padding: 1rem 0;
    transition: all 0.3s ease;
}
.navbar-brand {
    color: var(--gold) !important;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-logo {
    height: 45px;
    width: 45px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: #fff;
}
.navbar-brand:hover .brand-logo {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 18px rgba(212, 175, 55, 0.8);
    border-color: #fff;
}
.nav-link {
    color: #ffffff !important;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    margin-left: 15px;
    transition: color 0.3s ease;
}
.nav-link:hover, .nav-link.active {
    color: var(--gold) !important;
}

/* Hero Carousel */
#heroCarousel .carousel-item {
    height: 100vh;
    min-height: 600px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}
.carousel-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1;
}
.carousel-caption-custom {
    position: absolute;
    top: 0; bottom: 0; left: 0; right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 0 20px;
}
.hero-content h1 {
    font-size: 4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.5s;
}
.hero-content p {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.8s;
}
.btn-gold {
    background-color: var(--gold);
    color: var(--charcoal);
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    transition: all 0.3s ease;
    border-radius: 0;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 1.1s;
}
.btn-gold:hover {
    background-color: #fff;
    color: var(--charcoal);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sections */
.section-padding {
    padding: 100px 0;
}
.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--charcoal);
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}
.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--gold);
}

/* About Section */
.about-section {
    background-color: var(--light-grey);
}
.about-text {
    padding-right: 50px;
}
.about-text p {
    line-height: 1.8;
    color: #555;
}

/* Collection Cards */
.collection-card {
    border: none;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    background: #fff;
    margin-bottom: 30px;
}
.collection-card:hover {
    transform: translateY(-10px);
}
.collection-card img {
    height: 250px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.collection-card:hover img {
    transform: scale(1.05);
}
.collection-card .card-body {
    padding: 20px;
    text-align: center;
}
.collection-card h5 {
    font-weight: 600;
    color: var(--charcoal);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Filters */
.filter-btn {
    background: transparent;
    border: 1px solid var(--charcoal);
    color: var(--charcoal);
    padding: 8px 20px;
    margin: 0 5px 10px;
    border-radius: 30px;
    transition: all 0.3s ease;
}
.filter-btn.active, .filter-btn:hover {
    background: var(--gold);
    color: #111;
    border-color: var(--gold);
}

/* Footer */
.footer {
    background-color: var(--charcoal);
    color: #fff;
    padding: 80px 0 30px;
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gold);
}
.footer h4 {
    color: var(--gold);
    font-weight: 700;
    margin-bottom: 25px;
    text-transform: uppercase;
    font-size: 1.2rem;
    letter-spacing: 1px;
}
.footer p, .footer li {
    color: #aaa;
    font-weight: 300;
    line-height: 1.8;
}
.footer ul {
    padding-left: 0;
}
.footer li {
    margin-bottom: 10px;
}
.footer a {
    color: #aaa;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}
.footer a:hover {
    color: var(--gold);
    transform: translateX(5px);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #777;
    font-size: 0.9rem;
}
@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

/* Space Cards */
.space-card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.space-card img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.space-card:hover img {
    transform: scale(1.1);
}
.space-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 30px 20px 20px;
    color: white;
    transition: padding 0.3s ease;
}
.space-card:hover .space-overlay {
    padding-bottom: 30px;
}
.space-overlay h4 {
    margin: 0;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Breadcrumb in Page Header */
.page-header .breadcrumb-item + .breadcrumb-item::before {
    color: #fff;
    opacity: 0.5;
}

/* Modal Styles */
#imageModal .modal-content {
    background-color: transparent;
    border: none;
    border-radius: 0;
}
#imageModal .modal-body {
    padding: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 90vh; /* Keep the body height fixed to viewport ratio */
}
.modal-body img {
    max-width: 95%;
    max-height: 90%;
    width: auto;
    height: auto;
    object-fit: contain;
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
    border: 5px solid rgba(255,255,255,0.1);
}
.modal-close-btn {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 1080;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: 2px solid var(--gold);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.modal-close-btn svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}
.modal-close-btn:hover {
    background-color: var(--gold);
    color: var(--charcoal);
    transform: scale(1.1);
}
.modal-close-btn:hover svg {
    transform: rotate(90deg);
}


.modal-caption {
    margin-top: 20px;
    padding: 10px 30px;
    color: #fff;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.1);
}
.modal-caption h4 {
    color: var(--gold);
    margin: 0;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
}

.gallery-item, .space-card {
    cursor: pointer;
}

/* Lazy Loading Smooth Blur-up Effect */
.lazy-load {
    opacity: 0;
    filter: blur(15px);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), filter 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) !important;
    background-color: #f3f3f3; /* Premium soft grey placeholder background */
}
.lazy-load.loaded {
    opacity: 1;
    filter: blur(0);
}