/* Premium Stone Industry Theme - Laxmi Stones */

:root {
    --primary-gold: #d4af37;
    --primary-gold-light: #e8d5a3;
    --stone-beige: #f5f1eb;
    --stone-ivory: #faf9f6;
    --stone-dark: #3a3a3a;
    --stone-medium: #6b6b6b;
    --stone-light: #e8e5e0;
    --white: #ffffff;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--stone-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.2;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    max-width: 1200px;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--stone-dark);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--stone-medium);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--stone-dark);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-gold);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--stone-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--stone-beige) 0%, var(--stone-light) 100%);
    background-image: url('gallery/marble/Aqua Marina.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(58, 58, 58, 0.7) 0%, rgba(107, 107, 107, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    font-size: 1rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary-gold);
    color: var(--white);
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    background: #c19d2e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--stone-dark);
}

.btn-outline {
    background: transparent;
    color: var(--stone-dark);
    border: 2px solid var(--stone-dark);
}

.btn-outline:hover {
    background: var(--stone-dark);
    color: var(--white);
}

/* Sections */
.section-intro,
.section-quality,
.section-process {
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--stone-dark);
}

.section-text {
    font-size: 1.1rem;
    color: var(--stone-medium);
    line-height: 1.8;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.category-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.category-image-wrapper {
    width: 100%;
    height: 300px;
    overflow: hidden;
    position: relative;
}

.category-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.category-card:hover .category-image {
    transform: scale(1.1);
}

.category-content {
    padding: 2rem;
}

.category-title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--stone-dark);
}

.category-description {
    color: var(--stone-medium);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.category-link {
    color: var(--primary-gold);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.category-link:hover {
    color: #c19d2e;
}

/* Quality Grid */
.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.quality-item {
    text-align: center;
    padding: 2rem;
}

.quality-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.quality-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--stone-dark);
}

.quality-text {
    color: var(--stone-medium);
    line-height: 1.7;
}

/* CTA Section */
.section-cta {
    background: linear-gradient(135deg, var(--stone-dark) 0%, var(--stone-medium) 100%);
    color: var(--white);
}

.cta-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 4rem 2rem;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.cta-text {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Gallery */
.gallery-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.gallery-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    background: var(--stone-light);
    aspect-ratio: 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-item-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: var(--white);
    color: var(--stone-dark);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.lightbox-close:hover {
    background: var(--primary-gold);
    color: var(--white);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
    left: -70px;
}

.lightbox-next {
    right: -70px;
}

.lightbox-title {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--stone-dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.footer-text {
    opacity: 0.8;
    line-height: 1.7;
}

.footer-heading {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
    opacity: 0.8;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Page Content */
.page-header {
    background: linear-gradient(135deg, var(--stone-beige) 0%, var(--stone-light) 100%);
    padding: 6rem 0 4rem;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--stone-dark);
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--stone-medium);
    max-width: 700px;
    margin: 0 auto;
}

.content-section {
    padding: 4rem 0;
}

.content-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--stone-medium);
}

.content-text p {
    margin-bottom: 1.5rem;
}

/* Form Styles */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--stone-dark);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--stone-light);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Map Container */
.map-container {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    margin-top: 2rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-medium);
        transition: var(--transition);
        gap: 1.5rem;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-close {
        top: 10px;
        right: 10px;
    }

    .hero {
        background-attachment: scroll;
        min-height: 500px;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}