/* ==========================================================================
   MAHALAKSHMI GRANITES — LUXURY DESIGN SYSTEM
   ========================================================================== */

:root {
    --bg-dark: #0a0a0c;
    --bg-card: #121216;
    --bg-elevated: #1a1a22;
    --bg-overlay: rgba(10, 10, 12, 0.88);
    
    --gold-primary: #d4af37;
    --gold-light: #f3e5ab;
    --gold-dark: #aa8625;
    --gold-gradient: linear-gradient(135deg, #bf953f 0%, #fcf6ba 25%, #b38728 50%, #fbf5b7 75%, #aa771c 100%);
    --gold-glow: rgba(212, 175, 55, 0.2);
    
    --text-primary: #f8f9fa;
    --text-secondary: #a0a5b5;
    --text-muted: #6c7284;
    
    --border-color: rgba(212, 175, 55, 0.2);
    --border-hover: rgba(212, 175, 55, 0.5);
    
    --font-heading: 'Cinzel', 'Playfair Display', serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-card: 0 15px 35px rgba(0, 0, 0, 0.7);
    --shadow-gold: 0 10px 30px -10px rgba(212, 175, 55, 0.3);
}

/* Reset & Global Rules */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    letter-spacing: 1px;
}

.gold-text {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold-primary);
    font-weight: 600;
    margin-bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.section-tag::before, .section-tag::after {
    content: '';
    width: 25px;
    height: 1px;
    background: var(--gold-primary);
    opacity: 0.6;
}

.section-title {
    font-size: 2.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.25;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.8rem;
    }
}

.section-subtitle {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 28px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-gold {
    background: var(--gold-gradient);
    color: #000;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--gold-primary);
}

.btn-outline:hover {
    background: var(--gold-glow);
    border-color: var(--gold-light);
    color: var(--gold-light);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
}

.btn-whatsapp:hover {
    background: #1eb956;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 18px 5%;
    transition: var(--transition-smooth);
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.navbar.scrolled {
    padding: 12px 5%;
    background: rgba(10, 10, 12, 0.98);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.nav-container {
    max-width: 1250px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo i {
    font-size: 1.6rem;
    color: var(--gold-primary);
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 6px 0;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--gold-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-gradient);
    transition: var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--gold-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 260px;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        justify-content: center;
        gap: 22px;
        transition: var(--transition-smooth);
        border-left: 1px solid var(--border-color);
        box-shadow: -10px 0 30px rgba(0,0,0,0.9);
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-cta .btn-gold {
        display: none;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 130px 5% 70px 5%;
    background: linear-gradient(to bottom, rgba(10,10,12,0.65), rgba(10,10,12,0.94)), 
                url('assets/images/black_galaxy_slab.jpg') center/cover no-repeat;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    margin-bottom: 20px;
    font-size: 0.8rem;
    color: var(--gold-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.hero-title {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 35px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* About Section */
.about {
    padding: 90px 5%;
    background: var(--bg-dark);
}

.about-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

.about-img-box {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.about-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-content h2 {
    text-align: left;
    margin-bottom: 18px;
}

.about-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 25px;
}

/* Gallery Section (5 Pure Real Photos) */
.gallery {
    padding: 90px 5%;
    background: var(--bg-card);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.gallery-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.gallery-card {
    background: var(--bg-dark);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.gallery-card:hover {
    transform: translateY(-6px);
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-card);
}

.gallery-img-wrapper {
    height: 260px;
    overflow: hidden;
    position: relative;
}

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

.gallery-card:hover .gallery-img-wrapper img {
    transform: scale(1.08);
}

.gallery-info {
    padding: 20px;
}

.gallery-info h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.gallery-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.94);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox-modal.active {
    display: flex;
}

.lightbox-content {
    max-width: 900px;
    max-height: 85vh;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--gold-primary);
}

.lightbox-content img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 25px;
    right: 30px;
    color: var(--gold-primary);
    font-size: 2rem;
    cursor: pointer;
}

/* Contact & Info Section */
.contact {
    padding: 90px 5%;
    background: var(--bg-dark);
}

.contact-layout {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

.info-card {
    background: var(--bg-card);
    padding: 35px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.info-icon {
    width: 45px;
    height: 45px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-details h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.info-details p, .info-details a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.info-details a:hover {
    color: var(--gold-primary);
}

.map-container {
    height: 420px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(70%) invert(90%) contrast(120%);
}

/* Footer */
.footer {
    background: #050507;
    border-top: 1px solid var(--border-color);
    padding: 40px 5% 25px 5%;
    text-align: center;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Sticky WhatsApp */
.sticky-whatsapp {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 55px;
    height: 55px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
    z-index: 999;
    transition: var(--transition-smooth);
}

.sticky-whatsapp:hover {
    transform: scale(1.1);
    color: #fff;
}