/*=============================================
 * JINGYU STONE - Black & Gold Luxury Theme
 * WordPress Responsive Theme
 * =============================================*/

/*--- CSS Variables ---*/
:root {
    --black: #0a0a0a;
    --black-soft: #111111;
    --black-medium: #1a1a1a;
    --black-light: #222222;
    --gold: #C8A45C;
    --gold-light: #D4B96A;
    --gold-dark: #A8883C;
    --gold-pale: rgba(200, 164, 92, 0.12);
    --white: #FFFFFF;
    --white-soft: #F5F3EF;
    --white-warm: #EAE5DC;
    --text: #E8E4DE;
    --text-dim: #9A9590;
    --text-muted: #6A6560;
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.04);
    --radius: 0px;
    --radius-sm: 2px;
    --radius-md: 4px;
    --shadow: 0 4px 30px rgba(0,0,0,0.4);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
    --transition: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-heading: 'Montserrat', 'Helvetica Neue', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --container: 1320px;
    --header-h: 80px;
}

/*--- Reset ---*/
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--text);background:var(--black);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--gold-light)}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/*--- Typography ---*/
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:500;line-height:1.25;color:var(--white);letter-spacing:-0.01em}
h1{font-size:clamp(2.5rem, 5vw, 4.5rem);font-family:var(--font-display);font-weight:600}
h2{font-size:clamp(2rem, 3.5vw, 3rem);font-family:var(--font-display);font-weight:500}
h3{font-size:clamp(1.3rem, 2vw, 1.75rem);font-weight:500}
h4{font-size:1.1rem;font-weight:600;letter-spacing:0.02em;text-transform:uppercase}

/*--- Buttons ---*/
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 36px;font-family:var(--font-heading);font-size:0.8rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;border:none;cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}
.btn-gold{background:linear-gradient(135deg, var(--gold), var(--gold-dark));color:var(--black);}
.btn-gold:hover{background:linear-gradient(135deg, var(--gold-light), var(--gold));color:var(--black);transform:translateY(-2px);box-shadow:0 8px 30px rgba(200,164,92,0.3)}
.btn-outline{background:transparent;color:var(--gold);border:1px solid var(--gold);border-radius:var(--radius-sm)}
.btn-outline:hover{background:var(--gold-pale);color:var(--gold-light);border-color:var(--gold-light)}
.btn-white{background:var(--white);color:var(--black)}
.btn-white:hover{background:var(--white-soft);transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,255,255,0.15)}
.btn-sm{padding:10px 24px;font-size:0.7rem}

/*===========================================
 * HEADER
 * ===========================================*/
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(10,10,10,0.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:all var(--transition)}
.site-header.scrolled{background:rgba(10,10,10,0.98);box-shadow:0 2px 20px rgba(0,0,0,0.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);max-width:var(--container);margin:0 auto;padding:0 20px}
.site-branding{display:flex;align-items:center;gap:12px;flex-shrink:0}
.site-logo{height:44px;width:auto}
.site-title{font-family:var(--font-heading);font-size:1.1rem;font-weight:700;color:var(--white);letter-spacing:0.05em;text-transform:uppercase}
.site-title span{color:var(--gold);font-weight:300}

/*--- Primary Navigation ---*/
.primary-nav{display:flex;align-items:center;gap:0}
.primary-nav .nav-item{position:static}
.primary-nav .nav-item > a{display:flex;align-items:center;gap:4px;padding:28px 18px;font-family:var(--font-heading);font-size:0.78rem;font-weight:500;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.08em;transition:all var(--transition);white-space:nowrap}
.primary-nav .nav-item > a:hover,
.primary-nav .nav-item.current-menu-item > a{color:var(--gold)}
.primary-nav .mega-indicator{font-size:0.6rem;transition:transform var(--transition);margin-left:2px}
.primary-nav .nav-item:hover .mega-indicator{transform:rotate(180deg);color:var(--gold)}

/*--- Mega Menu Panel ---*/
.mega-menu-panel{position:absolute;top:var(--header-h);left:0;right:0;background:var(--black-soft);border-bottom:2px solid var(--gold);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all 0.3s cubic-bezier(0.25,0.8,0.25,1);box-shadow:var(--shadow-lg);z-index:999}
.nav-item:hover .mega-menu-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-menu-inner{max-width:var(--container);margin:0 auto;padding:40px 20px;display:grid;grid-template-columns:repeat(4, 1fr);gap:40px}
.mega-title{font-size:0.65rem;font-weight:700;letter-spacing:0.12em;color:var(--gold);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.mega-links{list-style:none}
.mega-links li{margin-bottom:6px}
.mega-links a{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:0.85rem;color:var(--text-dim);transition:all var(--transition)}
.mega-links a:hover{color:var(--gold);padding-left:4px}
.mega-grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mega-product-item{padding:10px 12px;border-radius:var(--radius-sm);transition:all var(--transition);display:block;border:1px solid transparent}
.mega-product-item:hover{background:rgba(255,255,255,0.03);border-color:var(--border)}
.mega-product-item strong{display:block;font-size:0.85rem;color:var(--white);margin-bottom:2px}
.mega-product-item span{font-size:0.75rem;color:var(--text-muted)}
.mega-featured-item{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--border-light)}
.mega-featured-img{width:48px;height:48px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0}
.mega-featured-img img{width:100%;height:100%;object-fit:cover}
.mega-featured-info strong{display:block;font-size:0.8rem;color:var(--white)}
.mega-featured-info span{font-size:0.7rem;color:var(--text-muted)}
.mega-cta p{font-size:0.8rem;color:var(--text-dim);margin-bottom:16px;line-height:1.6}
.color-dot{display:inline-block;width:10px;height:10px;border-radius:50%;flex-shrink:0}

/*--- Header Actions ---*/
.header-actions{display:flex;align-items:center;gap:12px}
.lang-switch{display:flex;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.lang-switch a{padding:6px 12px;font-size:0.7rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;transition:all var(--transition)}
.lang-switch a.active,
.lang-switch a:hover{background:var(--gold);color:var(--black)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--white)}
.mobile-toggle .bar{display:block;width:24px;height:2px;background:var(--white);margin:5px 0;transition:all 0.3s}
.mobile-toggle.active .bar:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-toggle.active .bar:nth-child(2){opacity:0}
.mobile-toggle.active .bar:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/*===========================================
 * HERO - Parallax
 * ===========================================*/
.hero{position:relative;height:100vh;min-height:700px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;will-change:transform}
.hero-overlay{position:absolute;inset:0;z-index:1;
    background:linear-gradient(180deg,rgba(0,0,0,0.55) 0%,rgba(0,0,0,0.3) 50%,rgba(0,0,0,0.7) 100%),
               radial-gradient(ellipse at 50% 30%, rgba(200,164,92,0.12) 0%, transparent 60%)}
.hero-content{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 20px;width:100%}
.hero-badge{display:inline-block;padding:8px 20px;background:rgba(200,164,92,0.15);border:1px solid rgba(200,164,92,0.3);font-family:var(--font-heading);font-size:0.7rem;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--gold);margin-bottom:28px}
.hero-title{font-family:var(--font-display);font-size:clamp(3rem, 6vw, 5.5rem);font-weight:600;line-height:1.08;letter-spacing:-0.02em;color:var(--white);margin-bottom:20px;max-width:800px}
.hero-title em{font-style:italic;color:var(--gold)}
.hero-subtitle{font-size:1.1rem;line-height:1.8;color:rgba(255,255,255,0.6);max-width:560px;margin-bottom:40px;font-weight:300}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);z-index:2;color:var(--gold);animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-10px)}}

/*===========================================
 * SECTIONS
 * ===========================================*/
.section{padding:120px 0}
.section-dark{background:var(--black-medium)}
.section-soft{background:var(--black-soft)}
.section-header{text-align:center;margin-bottom:72px}
.section-tag{display:inline-block;padding:6px 16px;background:var(--gold-pale);font-family:var(--font-heading);font-size:0.65rem;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--gold);margin-bottom:20px}
.section-title{font-family:var(--font-display);margin-bottom:16px}
.section-subtitle{font-size:1.05rem;color:var(--text-dim);max-width:640px;margin:0 auto;line-height:1.8;font-weight:300}

/*===========================================
 * STATS
 * ===========================================*/
.stats-bar{margin-top:-80px;position:relative;z-index:10}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--black-soft);border:1px solid var(--border);border-bottom:2px solid var(--gold)}
.stat-item{padding:40px 24px;text-align:center;position:relative}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:0;top:15%;height:70%;width:1px;background:var(--border)}
.stat-number{font-family:var(--font-display);font-size:2.8rem;font-weight:600;color:var(--gold);line-height:1;margin-bottom:8px}
.stat-label{font-size:0.7rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-dim)}

/*===========================================
 * GRID CARDS
 * ===========================================*/
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card-grid-3{grid-template-columns:repeat(3,1fr)}
.stone-card{background:var(--black-soft);border:1px solid var(--border);transition:all var(--transition);overflow:hidden;position:relative}
.stone-card:hover{border-color:var(--gold);transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,0.5)}
.stone-card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--black-light)}
.stone-card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease}
.stone-card:hover .stone-card-img img{transform:scale(1.06)}
.stone-card-badge{position:absolute;top:12px;left:12px;padding:4px 12px;font-family:var(--font-heading);font-size:0.6rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;z-index:2}
.badge-hot{background:#C0392B;color:var(--white)}
.badge-new{background:var(--gold);color:var(--black)}
.badge-promo{background:var(--white);color:var(--black)}
.stone-card-body{padding:24px}
.stone-card-name{font-size:1.15rem;font-weight:600;color:var(--white);margin-bottom:4px}
.stone-card-name small{font-weight:400;color:var(--text-muted);font-size:0.8rem}
.stone-card-origin{font-size:0.8rem;color:var(--text-dim);margin-bottom:10px}
.stone-card-desc{font-size:0.82rem;color:var(--text-muted);line-height:1.6;margin-bottom:14px}
.stone-card-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{display:inline-block;padding:3px 10px;background:rgba(255,255,255,0.04);border:1px solid var(--border);font-size:0.7rem;color:var(--text-dim);border-radius:var(--radius-sm)}
.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cat-card{display:flex;flex-direction:column;align-items:center;gap:12px;padding:32px 16px;background:var(--black-soft);border:1px solid var(--border);transition:all var(--transition);text-align:center;cursor:pointer}
.cat-card:hover{border-color:var(--gold);transform:translateY(-4px)}
.cat-icon{font-size:1.8rem;width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:var(--gold-pale);border-radius:50%}
.cat-name{font-size:0.75rem;font-weight:600;color:var(--text-dim);letter-spacing:0.05em;text-transform:uppercase}

/*===========================================
 * ABOUT
 * ===========================================*/
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-image{position:relative}
.about-image img{width:100%;border:1px solid var(--border)}
.about-image::after{content:'';position:absolute;inset:-12px;border:1px solid var(--gold);z-index:-1;transform:translate(12px,12px)}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:32px 0}
.about-feat{display:flex;align-items:center;gap:10px;font-size:0.85rem;color:var(--text-dim)}
.about-feat::before{content:'◆';color:var(--gold);font-size:0.6rem}

/*===========================================
 * CTA
 * ===========================================*/
.cta-section{background:linear-gradient(135deg, var(--black-soft), var(--black));padding:100px 0;text-align:center;border-top:1px solid var(--gold);border-bottom:1px solid var(--gold)}
.cta-section h2{color:var(--white);margin-bottom:16px}
.cta-section p{color:var(--text-dim);max-width:600px;margin:0 auto 32px;font-size:1.05rem}

/*===========================================
 * FOOTER
 * ===========================================*/
.site-footer{background:var(--black-soft);border-top:1px solid var(--border);padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--border)}
.footer-title{font-size:0.7rem;font-weight:700;letter-spacing:0.1em;color:var(--white);margin-bottom:20px;text-transform:uppercase}
.footer-desc{font-size:0.85rem;color:var(--text-dim);line-height:1.8;margin-bottom:20px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:8px}
.footer-links a{font-size:0.85rem;color:var(--text-dim);transition:all var(--transition)}
.footer-links a:hover{color:var(--gold);padding-left:4px}
.footer-social{display:flex;gap:10px}
.social-link{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);color:var(--text-dim);transition:all var(--transition);font-size:0.9rem}
.social-link:hover{border-color:var(--gold);color:var(--gold);background:var(--gold-pale)}
.newsletter-input{width:100%;padding:12px 16px;background:rgba(255,255,255,0.04);border:1px solid var(--border);color:var(--white);font-family:var(--font-body);font-size:0.85rem;margin-bottom:10px}
.newsletter-input:focus{outline:none;border-color:var(--gold)}
.footer-bottom{padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-size:0.78rem;color:var(--text-muted)}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--gold)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.tag-cloud .tag{font-size:0.7rem;padding:4px 10px;background:rgba(255,255,255,0.03);border:1px solid var(--border)}
.tag-cloud .tag:hover{border-color:var(--gold);color:var(--gold)}

/*===========================================
 * PAGE HEADER
 * ===========================================*/
.page-header{background:var(--black-medium);padding:140px 0 60px;text-align:center;border-bottom:1px solid var(--border)}
.page-header h1{font-family:var(--font-display);color:var(--white);margin-bottom:12px}
.page-header p{color:var(--text-dim);font-size:1.05rem;max-width:600px;margin:0 auto}
.breadcrumb{padding:8px 0;font-size:0.78rem;color:var(--text-muted)}
.breadcrumb ol{display:flex;gap:8px;list-style:none;justify-content:center}
.breadcrumb a{color:var(--text-dim)}
.breadcrumb a:hover{color:var(--gold)}

/*===========================================
 * FILTER BAR
 * ===========================================*/
.filter-bar{position:sticky;top:var(--header-h);z-index:100;background:rgba(17,17,17,0.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:14px 0}
.filter-inner{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.filter-label{font-size:0.7rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-dim);margin-right:4px}
.filter-btn{padding:7px 16px;border:1px solid var(--border);background:transparent;color:var(--text-dim);font-size:0.75rem;font-family:var(--font-heading);cursor:pointer;transition:all var(--transition);white-space:nowrap}
.filter-btn:hover,.filter-btn.active{background:var(--gold);color:var(--black);border-color:var(--gold)}

/*===========================================
 * CONTACT
 * ===========================================*/
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.contact-info-item{display:flex;gap:16px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.contact-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--gold-pale);border:1px solid var(--border);flex-shrink:0;font-size:1.2rem}
.contact-form{display:flex;flex-direction:column;gap:16px}
.form-group label{display:block;font-size:0.7rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-dim);margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 16px;background:rgba(255,255,255,0.03);border:1px solid var(--border);color:var(--white);font-family:var(--font-body);font-size:0.9rem;transition:border-color var(--transition)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--gold)}
.form-group textarea{min-height:140px;resize:vertical}

/*===========================================
 * SINGLE MATERIAL
 * ===========================================*/
.material-gallery{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.material-main-img{aspect-ratio:4/3;overflow:hidden;background:var(--black-light);border:1px solid var(--border)}
.material-main-img img{width:100%;height:100%;object-fit:cover}
.spec-table{width:100%;border-collapse:collapse;margin:24px 0}
.spec-table th,.spec-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:0.85rem}
.spec-table th{background:rgba(255,255,255,0.02);color:var(--gold);font-weight:600;width:40%;letter-spacing:0.05em;text-transform:uppercase;font-size:0.7rem}
.application-tags{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}
.app-tag{padding:8px 18px;background:var(--gold-pale);color:var(--gold);border:1px solid rgba(200,164,92,0.2);font-size:0.78rem;font-weight:500}
.faq-item{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.faq-item h4{color:var(--gold);font-size:0.9rem;margin-bottom:8px;text-transform:none;letter-spacing:0}

/*===========================================
 * WHATSAPP FLOAT
 * ===========================================*/
.whatsapp-float{position:fixed;bottom:28px;right:28px;z-index:999;width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,0.3);transition:all var(--transition);font-size:1.5rem}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 8px 30px rgba(37,211,102,0.5)}

/*===========================================
 * ANIMATIONS
 * ===========================================*/
.reveal{opacity:0;transform:translateY(30px);transition:all 0.8s cubic-bezier(0.25,0.8,0.25,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:0.1s}
.reveal-delay-2{transition-delay:0.2s}
.reveal-delay-3{transition-delay:0.3s}
.reveal-delay-4{transition-delay:0.4s}

/*===========================================
 * LOADING / PRELOADER
 * ===========================================*/
.preloader{position:fixed;inset:0;z-index:9999;background:var(--black);display:flex;align-items:center;justify-content:center;transition:opacity 0.5s ease}
.preloader.fade-out{opacity:0;pointer-events:none}
.preloader-logo{font-family:var(--font-display);font-size:2rem;color:var(--gold);animation:pulse 1.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.3}}