/* ==========================================================================
   THE GRAND CENTRAL - BRAND ARCHITECTURE STYLESHEET
   Palette: Luxury Black (#0a0a0a), Deep Charcoal (#121212), Warm Gold (#d4af37)
   ========================================================================== */

:root {
    --bg-dark-absolute: #0a0a0a;
    --bg-charcoal: #121212;
    --bg-card-glass: rgba(22, 22, 22, 0.7);
    --gold-primary: #d4af37;
    --gold-hover: #f3cd57;
    --text-white: #f5f5f5;
    --text-muted: #b5b5b5;
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-glass: rgba(212, 175, 55, 0.15);
}

/* Base Optimization Layer */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark-absolute);
    color: var(--text-white);
}

body {
    font-family: var(--font-sans);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Utilities Layout structural elements */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center { text-align: center; }

.grid {
    display: grid;
    gap: 2rem;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Typography Standards */
h1, h2, h3, h4, .logo {
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: 1px;
}

.section-tag {
    display: inline-block;
    color: var(--gold-primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 2.5rem;
    color: var(--text-white);
}

p {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 300;
}

/* Glassmorphism Dynamic Engine Class */
.glassmorphism {
    background: var(--bg-card-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

/* Custom Reusable Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-size: 0.85rem;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    border-radius: 2px;
}

.btn-primary {
    background-color: var(--gold-primary);
    color: var(--bg-dark-absolute);
}
.btn-primary:hover {
    background-color: var(--gold-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.4);
}
.btn-secondary:hover {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
    background-color: rgba(212, 175, 55, 0.05);
}

.btn-block { width: 100%; }

/* Preloader UI Design */
.preloader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-dark-absolute);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease;
}
.loader-content { text-align: center; }
.loader-logo {
    font-size: 3rem;
    color: var(--gold-primary);
    margin-bottom: 1rem;
    letter-spacing: 5px;
    animation: pulse 1.5s infinite ease-in-out;
}
.loader-bar {
    width: 120px; height: 1px;
    background: rgba(212, 175, 55, 0.2);
    position: relative; overflow: hidden;
    margin: 0 auto;
}
.loader-bar::after {
    content: ''; display: block;
    width: 40px; height: 1px; background: var(--gold-primary);
    position: absolute; left: 0; top: 0;
    animation: loadingBar 1.2s infinite linear;
}

/* Premium Header and Navigation Mechanics */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
}
.header.sticky {
    padding: 0.8rem 0;
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}
.logo {
    font-size: 1.6rem;
    color: var(--text-white);
    text-decoration: none;
    letter-spacing: 3px;
}
.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}
.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 400;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 0;
}
.nav-link:hover, .nav-link.active {
    color: var(--gold-primary);
}
.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 1px; background-color: var(--gold-primary);
    transition: var(--transition-smooth);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.btn-nav-cta { padding: 0.5rem 1.2rem; font-size: 0.75rem; border-color: var(--gold-primary); color: var(--gold-primary); }
.btn-nav-cta:hover { background: var(--gold-primary); color: var(--bg-dark-absolute); }

.hamburger { display: none; cursor: pointer; background: transparent; border: none; }
.hamburger .bar { display: block; width: 25px; height: 2px; margin: 5px auto; background-color: var(--text-white); transition: var(--transition-smooth); }

/* Full-Screen Hero Display Section */
.hero-section {
    position: relative;
    width: 100%; height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-center: center; overflow: hidden;
}
.hero-parallax-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 120%;
    background: url('https://images.unsplash.com/photo-1514933651103-005eec06c04b?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    will-change: transform; z-index: -2;
}
.hero-overlay {
    position: absolute; top:0; left:0; width:100%; height:100%;
    background: linear-gradient(to bottom, rgba(10,10,10,0.6), rgba(10,10,10,0.9)); z-index: -1;
}
.hero-content { max-width: 850px; padding: 0 1rem; text-align: center; }
.hero-tagline { font-family: var(--font-serif); font-style: italic; font-size: 1.5rem; color: var(--gold-primary); display: block; margin-bottom: 1rem; }
.hero-title { font-size: 4rem; line-height: 1.1; margin-bottom: 1.5rem; color: var(--text-white); }
.hero-subtitle { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 2.5rem; font-family: var(--font-sans); }
.hero-actions { display: flex; gap: 1.5rem; justify-content: center; }

/* About Us Layout Structure */
.about-section { padding: 10rem 0 5rem; background: var(--bg-dark-absolute); }
.about-images { position: relative; display: flex; align-items: flex-start; justify-content: flex-start; min-height: 500px; }
.img-wrapper { overflow: hidden; border: 1px solid rgba(212, 175, 55, 0.1); }
.img-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-smooth); }
.img-wrapper img:hover { transform: scale(1.05); }
.main-img { width: 75%; height: 420px; z-index: 2; position: relative; }
.sub-img { width: 55%; height: 280px; position: absolute; right: 0; bottom: 10px; z-index: 3; box-shadow: -10px -10px 30px rgba(0,0,0,0.8); }
.about-text-content { padding-left: 2rem; display: flex; flex-direction: column; justify-content: center; }
.section-desc { margin-bottom: 1.5rem; text-align: justify; }
.signature { margin-top: 1.5rem; }
.sig-title { font-family: var(--font-serif); font-size: 1.4rem; color: var(--gold-primary); font-style: italic; }

/* Features & Counters Section System */
.features-section { padding: 5rem 0; background: var(--bg-charcoal); }
.feature-card { padding: 3rem 2rem; text-align: center; }
.feature-card:hover { border-color: var(--gold-primary); transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.6); }
.icon-box { font-size: 2.2rem; color: var(--gold-primary); margin-bottom: 1.5rem; }
.feature-card h3 { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 1rem; color: var(--text-white); }

.counter-container { margin-top: 7rem; padding: 3rem 0; border-top: 1px solid rgba(212, 175, 55, 0.1); border-bottom: 1px solid rgba(212, 175, 55, 0.1); }
.counter-box { text-align: center; }
.counter { font-family: var(--font-serif); font-size: 3.5rem; font-weight: 700; color: var(--gold-primary); }
.counter-suffix { font-family: var(--font-serif); font-size: 2.5rem; color: var(--gold-primary); }
.counter-box p { font-family: var(--font-sans); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 2px; margin-top: 0.5rem; }

/* Curated Premium Recommendations Menu View */
.featured-menu-section { padding: 8rem 0; background: var(--bg-dark-absolute); }
.menu-column { padding: 3rem; display: flex; flex-direction: column; gap: 2rem; height: 100%; }
.menu-column-title { font-size: 1.8rem; color: var(--gold-primary); border-bottom: 1px solid rgba(212, 175, 55, 0.15); padding-bottom: 0.8rem; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.8rem; }
.menu-item-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px dashed rgba(255, 255, 255, 0.08); }
.menu-item-row:last-child { border-bottom: none; padding-bottom: 0; }
.menu-item-info { max-width: 75%; }
.menu-item-info h4 { font-family: var(--font-sans); font-size: 1.05rem; font-weight: 500; color: var(--text-white); margin-bottom: 0.3rem; transition: var(--transition-smooth); }
.menu-item-row:hover .menu-item-info h4 { color: var(--gold-primary); }
.menu-item-info p { font-size: 0.85rem; }
.menu-item-price { font-family: var(--font-serif); font-size: 1.25rem; color: var(--gold-primary); font-weight: 600; white-space: nowrap; }

/* Interactive Digital Catalog Infrastructure */
.digital-menu-section { padding: 5rem 0 8rem; background: var(--bg-charcoal); }
.menu-controls-wrapper { padding: 2.5rem; margin-bottom: 3.5rem; }
.search-box-container { position: relative; width: 100%; max-width: 650px; margin: 0 auto 2rem; }
.search-icon { position: absolute; left: 1.2rem; top: 50%; transform: translateY(-50%); color: var(--gold-primary); font-size: 1.1rem; }
#menu-search { width: 100%; padding: 1rem 1rem 1rem 3rem; background: rgba(10,10,10,0.6); border: 1px solid rgba(212,175,55,0.2); border-radius: 2px; color: var(--text-white); font-family: var(--font-sans); font-size: 0.9rem; transition: var(--transition-smooth); }
#menu-search:focus { outline: none; border-color: var(--gold-primary); box-shadow: 0 0 10px rgba(212,175,55,0.2); }

.filter-tabs-container { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; max-width: 1000px; margin: 0 auto; }
.filter-btn { padding: 0.5rem 1.2rem; background: transparent; border: 1px solid rgba(255,255,255,0.1); color: var(--text-muted); font-family: var(--font-sans); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; cursor: pointer; transition: var(--transition-smooth); border-radius: 2px; }
.filter-btn:hover, .filter-btn.active { border-color: var(--gold-primary); color: var(--gold-primary); background: rgba(212,175,55,0.05); }

.digital-menu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; min-height: 200px; transition: var(--transition-smooth); }
.menu-card-anim { animation: fadeInItem 0.6s ease forwards; }

/* Gallery Masonry Design Grid */
.gallery-section { padding: 8rem 0 5rem; background: var(--bg-dark-absolute); }
.gallery-masonry { columns: 3 320px; column-gap: 1.5rem; }
.gallery-item { position: relative; break-inside: avoid; margin-bottom: 1.5rem; overflow: hidden; border: 1px solid rgba(212,175,55,0.1); cursor: pointer; }
.gallery-item img { width: 100%; display: block; transition: var(--transition-smooth); }
.gallery-overlay-hover { position: absolute; top:0; left:0; width:100%; height:100%; background: rgba(10,10,10,0.85); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition-smooth); }
.gallery-overlay-hover span { font-family: var(--font-serif); font-size: 1.6rem; color: var(--gold-primary); border-bottom: 1px solid var(--gold-primary); padding-bottom: 0.5rem; transform: translateY(10px); transition: var(--transition-smooth); }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item:hover .gallery-overlay-hover { opacity: 1; }
.gallery-item:hover .gallery-overlay-hover span { transform: translateY(0); }

/* Testimonial Core Modules */
.testimonials-section { padding: 5rem 0 8rem; background: var(--bg-charcoal); }
.testimonial-card { padding: 3rem 2.5rem; text-align: left; position: relative; }
.stars { color: var(--gold-primary); font-size: 0.85rem; margin-bottom: 1.5rem; }
.testimonial-text { font-family: var(--font-serif); font-style: italic; font-size: 1.15rem; color: var(--text-white); margin-bottom: 2rem; line-height: 1.5; }
.client-name { font-family: var(--font-sans); font-weight: 600; font-size: 0.9rem; letter-spacing: 1px; text-transform: uppercase; color: var(--gold-primary); }
.client-title { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; display: block; margin-top: 0.2rem; }

/* Instagram Action Framework Layer */
.instagram-section { padding: 8rem 0; background: linear-gradient(rgba(10,10,10,0.85), rgba(10,10,10,0.85)), url('https://images.unsplash.com/photo-1555396273-367ea4eb4db5?auto=format&fit=crop&w=1200&q=80') center center/cover fixed; text-align: center; }
.insta-icon-banner { font-size: 3.5rem; color: var(--gold-primary); margin-bottom: 1.5rem; }
.instagram-section p { max-width: 600px; margin: 0 auto 2.5rem; font-size: 1.1rem; font-family: var(--font-serif); }

/* Unified Form/Map Integration Layer */
.contact-location-section { padding: 8rem 0; background: var(--bg-dark-absolute); }
.contact-form-wrapper { padding: 4rem 3rem; }
.subsection-title { font-size: 2.2rem; margin-bottom: 2rem; color: var(--text-white); }
.form-group { margin-bottom: 1.5rem; position: relative; }
.form-group label { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 0.5rem; }
.form-group input, .form-group textarea { width: 100%; padding: 0.9rem 1rem; background: rgba(10,10,10,0.5); border: 1px solid rgba(255,255,255,0.1); color: var(--text-white); font-family: var(--font-sans); font-size: 0.85rem; transition: var(--transition-smooth); border-radius: 2px; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--gold-primary); background: rgba(10,10,10,0.8); }
.error-msg { font-size: 0.75rem; color: #ff4d4d; display: none; margin-top: 0.4rem; }
.form-group.invalid input, .form-group.invalid textarea { border-color: #ff4d4d; }
.success-banner { display: none; background: rgba(212, 175, 55, 0.1); border: 1px solid var(--gold-primary); color: var(--gold-primary); padding: 1rem; margin-top: 1.5rem; font-size: 0.9rem; text-align: center; }

.location-details-wrapper { display: flex; flex-direction: column; gap: 2rem; height: 100%; }
.map-iframe-holder { width: 100%; height: 320px; border: 1px solid rgba(212, 175, 55, 0.15); filter: grayscale(1) invert(0.9) contrast(1.2); }
.info-details-box { padding: 2.5rem; display: flex; flex-direction: column; gap: 1.8rem; justify-content: center; flex-grow: 1; }
.info-row { display: flex; align-items: flex-start; gap: 1.2rem; }
.info-row i { font-size: 1.3rem; color: var(--gold-primary); margin-top: 0.2rem; }
.info-row h4 { font-family: var(--font-sans); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-white); margin-bottom: 0.3rem; }
.info-row p, .info-row a { font-size: 0.9rem; color: var(--text-muted); text-decoration: none; transition: var(--transition-smooth); }
.info-row a:hover { color: var(--gold-primary); }

/* Premium Footprint Architecture */
.footer-core { background: #050505; padding: 6rem 0 2rem; border-top: 1px solid rgba(212, 175, 55, 0.05); }
.footer-core h3 { font-size: 1.5rem; color: var(--text-white); margin-bottom: 1.2rem; letter-spacing: 2px; }
.footer-core h4 { font-family: var(--font-sans); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; color: var(--gold-primary); margin-bottom: 1.5rem; }
.footer-core p { font-size: 0.85rem; line-height: 1.8; }
.social-links { display: flex; gap: 1rem; margin-top: 1.5rem; }
.social-links a { width: 38px; height: 38px; background: var(--bg-charcoal); border: 1px solid rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; color: var(--text-muted); text-decoration: none; transition: var(--transition-smooth); border-radius: 2px; }
.social-links a:hover { border-color: var(--gold-primary); color: var(--gold-primary); transform: translateY(-3px); }
.footer-links-col ul { list-style: none; }
.footer-links-col ul li { margin-bottom: 0.8rem; }
.footer-links-col ul li a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; transition: var(--transition-smooth); }
.footer-links-col ul li a:hover { color: var(--gold-primary); padding-left: 5px; }
.footer-bottom-bar { margin-top: 5rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-bottom-bar p { font-size: 0.75rem; color: rgba(255,255,255,0.3); }

/* Functional Overlay Components (Lightbox, Floating Targets) */
.lightbox { position: fixed; top:0; left:0; width:100%; height:100%; background: rgba(5,5,5,0.95); z-index: 2000; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: var(--transition-smooth); }
.lightbox.active { opacity: 1; pointer-events: auto; }
.lightbox-img { max-width: 85%; max-height: 80%; border: 2px solid var(--gold-primary); transform: scale(0.9); transition: var(--transition-smooth); }
.lightbox.active .lightbox-img { transform: scale(1); }
.lightbox-close { position: absolute; top: 2rem; right: 2rem; background: transparent; border: none; color: var(--text-white); font-size: 3rem; cursor: pointer; transition: var(--transition-smooth); }
.lightbox-close:hover { color: var(--gold-primary); }

.back-to-top { position: fixed; bottom: 2rem; right: 2rem; z-index: 99; background: var(--bg-charcoal); border: 1px solid var(--gold-primary); color: var(--gold-primary); width: 45px; height: 45px; border-radius: 2px; opacity: 0; pointer-events: none; transform: translateY(10px); }
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--gold-primary); color: var(--bg-dark-absolute); }

.whatsapp-float-btn { position: fixed; bottom: 2rem; left: 2rem; z-index: 99; background: #25d366; color: white; width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; border-radius: 50%; box-shadow: 0 4px 15px rgba(0,0,0,0.4); transition: var(--transition-smooth); text-decoration: none; }
.whatsapp-float-btn:hover { transform: scale(1.1) rotate(10deg); box-shadow: 0 6px 20px rgba(37,211,102,0.4); }

/* Core Structural Animations & Dynamic Reveals */
.scroll-reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.scroll-reveal.revealed { opacity: 1; transform: translateY(0); }

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}
@keyframes loadingBar {
    0% { left: -40px; }
    100% { left: 120px; }
}
@keyframes fadeInItem {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   ROBUST MEDIA RESPONSIVENESS MATRIX
   ========================================================================== */

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .section-title { font-size: 2.3rem; }
    .hero-title { font-size: 3.2rem; }
}

@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .header { padding: 1rem 0; background: rgba(10,10,10,0.98); }
    .hamburger { display: block; z-index: 1001; }
    
    /* Responsive Mobile Hamburger Navigation */
    .nav-menu {
        position: fixed; top: 0; right: -100%; width: 75%; height: 100vh;
        background: #0d0d0d; border-left: 1px solid var(--border-glass);
        padding: 6rem 2rem 2rem; transition: var(--transition-smooth);
    }
    .nav-menu.active { right: 0; }
    .nav-list { flex-direction: column; gap: 1.8rem; }
    .nav-link { font-size: 1rem; }
    .btn-nav-cta { display: none; }
    
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    
    .about-images { min-height: 380px; margin-bottom: 2rem; }
    .about-text-content { padding-left: 0; }
    .main-img { width: 85%; height: 320px; }
    .sub-img { width: 55%; height: 200px; }
    
    .menu-column { padding: 1.5rem; }
    .digital-menu-grid { grid-template-columns: 1fr; }
    .menu-controls-wrapper { padding: 1.5rem; }
    
    .contact-form-wrapper { padding: 2rem 1.5rem; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.4rem; }
    .hero-actions { flex-direction: column; gap: 1rem; }
    .section-title { font-size: 1.9rem; }
    .counter-container { grid-template-columns: 1fr; gap: 2rem; }
}