/* ===== WJ NEXUS — Shared Styles ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #1a2332; --primary-light: #2a3a4e; --primary-dark: #0f1923;
    --accent: #d4772c; --accent-hover: #e8863a; --accent-light: rgba(212,119,44,0.1);
    --text: #333; --text-light: #666; --text-muted: #999;
    --bg: #ffffff; --bg-alt: #f7f8fa; --bg-dark: #0f1923;
    --border: #e5e7eb; --success: #22c55e;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06); --shadow-md: 0 4px 20px rgba(0,0,0,0.08); --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 12px; --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== NAV ===== */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); border-bottom: 1px solid transparent; transition: var(--transition); }
.nav.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 72px; }
.nav-logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; color: var(--primary); }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { font-size: 0.88rem; font-weight: 500; color: var(--text-light); position: relative; padding: 4px 0; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.lang-switcher { position: relative; }
.lang-btn { display: flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); cursor: pointer; font-size: 0.82rem; font-weight: 500; color: var(--text); transition: var(--transition); }
.lang-btn:hover { border-color: var(--accent); }
.lang-dropdown { position: absolute; top: 100%; right: 0; margin-top: 4px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow-md); min-width: 150px; overflow: hidden; display: none; z-index: 100; }
.lang-dropdown.show { display: block; }
.lang-option { display: flex; align-items: center; gap: 10px; padding: 10px 16px; cursor: pointer; font-size: 0.85rem; transition: var(--transition); border: none; background: none; width: 100%; text-align: left; color: var(--text); }
.lang-option:hover { background: var(--bg-alt); }
.lang-option.active { color: var(--accent); font-weight: 600; }
.btn-nav { padding: 10px 22px; background: var(--accent); color: #fff; border-radius: 8px; font-weight: 600; font-size: 0.88rem; border: none; cursor: pointer; transition: var(--transition); display: inline-block; }
.btn-nav:hover { background: var(--accent-hover); transform: translateY(-1px); }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; width: 36px; height: 36px; position: relative; }
.mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--primary); position: absolute; left: 7px; transition: var(--transition); }
.mobile-toggle span:nth-child(1) { top: 10px; }
.mobile-toggle span:nth-child(2) { top: 17px; }
.mobile-toggle span:nth-child(3) { top: 24px; }

/* ===== HERO ===== */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; background: linear-gradient(135deg, #0f1923 0%, #1a2e3f 50%, #2a3a4e 100%); overflow: hidden; padding-top: 72px; }
.hero-bg-img { position: absolute; inset: 0; z-index: 0; }
.hero-bg-img img { width: 100%; height: 100%; object-fit: cover; opacity: 0.35; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,25,35,0.85) 0%, rgba(26,46,63,0.7) 50%, rgba(42,58,78,0.6) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; max-width: 780px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(212,119,44,0.15); border: 1px solid rgba(212,119,44,0.3); border-radius: 50px; color: var(--accent); font-size: 0.82rem; font-weight: 600; margin-bottom: 20px; }
.hero h1 { font-family: 'Playfair Display', serif; font-size: 3.2rem; font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 20px; }
.hero h1 .accent { color: var(--accent); }
.hero-desc { font-size: 1.1rem; color: rgba(255,255,255,0.75); line-height: 1.8; margin-bottom: 36px; max-width: 520px; }
.hero-slogan { font-style: italic; font-size: 1rem; color: rgba(212,119,44,0.8); margin-bottom: 32px; border-left: 3px solid var(--accent); padding-left: 16px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary { display: inline-flex; align-items: center; gap: 10px; padding: 15px 34px; background: var(--accent); color: #fff; border-radius: 10px; font-weight: 700; font-size: 0.95rem; border: none; cursor: pointer; transition: var(--transition); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,119,44,0.3); }
.btn-outline { display: inline-flex; align-items: center; gap: 10px; padding: 15px 34px; background: transparent; border: 2px solid rgba(255,255,255,0.3); color: #fff; border-radius: 10px; font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: var(--transition); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.05); }
.hero-stats { display: flex; gap: 36px; margin-top: 44px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat-value { font-size: 1.9rem; font-weight: 800; color: #fff; }
.hero-stat-value span { color: var(--accent); }
.hero-stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.5); margin-top: 4px; }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-image-wrapper { position: relative; width: 100%; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
.hero-image-wrapper img { width: 100%; height: 100%; object-fit: cover; }
.hero-float-card { position: absolute; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-radius: 14px; padding: 14px 18px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 12px; }
.hero-float-card.card-1 { bottom: -16px; left: -20px; }
.hero-float-card.card-2 { top: -12px; right: -16px; }
.float-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.float-icon.green { background: #dcfce7; color: #16a34a; }
.float-icon.blue { background: #dbeafe; color: #2563eb; }
.float-title { font-size: 0.82rem; font-weight: 700; color: var(--primary); }
.float-sub { font-size: 0.72rem; color: var(--text-muted); }

/* Page Header (sub-pages) */
.page-header { padding: 140px 0 60px; background: linear-gradient(135deg, #0f1923, #1a2e3f); text-align: center; }
.page-header h1 { font-family: 'Playfair Display', serif; font-size: 2.8rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.page-header p { font-size: 1.05rem; color: rgba(255,255,255,0.6); max-width: 600px; margin: 0 auto; }
.breadcrumb { margin-bottom: 16px; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
.breadcrumb a { color: rgba(255,255,255,0.5); }
.breadcrumb a:hover { color: var(--accent); }

/* ===== TRUST BAR ===== */
.trust-bar { padding: 36px 0; background: var(--bg); border-bottom: 1px solid var(--border); }
.trust-inner { display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 10px; color: var(--text-muted); font-size: 0.88rem; font-weight: 500; }
.trust-item i { font-size: 1.2rem; color: var(--accent); }

/* ===== SECTIONS ===== */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; background: var(--accent-light); border-radius: 50px; color: var(--accent); font-size: 0.8rem; font-weight: 600; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 1px; }
.section-title { font-family: 'Playfair Display', serif; font-size: 2.4rem; font-weight: 800; color: var(--primary); line-height: 1.2; margin-bottom: 14px; }
.section-dark .section-title { color: #fff; }
.section-subtitle { font-size: 1.05rem; color: var(--text-light); max-width: 600px; margin: 0 auto; }
.section-dark .section-subtitle { color: rgba(255,255,255,0.6); }

/* ===== PRODUCTS ===== */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card { background: var(--bg); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-img { aspect-ratio: 4/3; overflow: hidden; position: relative; background: var(--bg-alt); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-tag { position: absolute; top: 16px; left: 16px; padding: 4px 12px; background: var(--accent); color: #fff; border-radius: 6px; font-size: 0.75rem; font-weight: 600; }
.product-body { padding: 24px; }
.product-category { font-size: 0.78rem; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.product-name { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.product-features { list-style: none; margin-bottom: 20px; }
.product-features li { font-size: 0.86rem; color: var(--text-light); padding: 3px 0; display: flex; align-items: center; gap: 8px; }
.product-features li i { color: var(--success); font-size: 0.72rem; }
.product-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 600; font-size: 0.88rem; }
.product-link:hover { gap: 12px; }
.product-sketch { display: flex; gap: 16px; margin-top: 12px; }
.product-sketch img { width: 60px; height: 60px; object-fit: contain; border-radius: 8px; border: 1px solid var(--border); padding: 4px; background: #fff; }

/* ===== OEM/ODM ===== */
.oem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.oem-content h3 { font-family: 'Playfair Display', serif; font-size: 2.1rem; font-weight: 800; color: var(--primary); margin-bottom: 18px; line-height: 1.3; }
.oem-content p { font-size: 1rem; color: var(--text-light); margin-bottom: 28px; line-height: 1.8; }
.oem-steps { display: flex; flex-direction: column; gap: 22px; }
.oem-step { display: flex; gap: 18px; align-items: flex-start; }
.oem-step-num { width: 44px; height: 44px; min-width: 44px; background: var(--accent-light); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-weight: 800; color: var(--accent); font-size: 1rem; }
.oem-step-title { font-weight: 700; color: var(--primary); margin-bottom: 3px; font-size: 0.95rem; }
.oem-step-desc { font-size: 0.88rem; color: var(--text-light); }
.oem-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.oem-card { padding: 24px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); text-align: center; transition: var(--transition); }
.oem-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.oem-card:nth-child(2) { margin-top: 28px; }
.oem-card:nth-child(3) { margin-top: -28px; }
.oem-card-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; font-size: 1.4rem; }
.oem-card-icon.c1 { background: #fef3c7; color: #d97706; }
.oem-card-icon.c2 { background: #dbeafe; color: #2563eb; }
.oem-card-icon.c3 { background: #dcfce7; color: #16a34a; }
.oem-card-icon.c4 { background: #fce7f3; color: #db2777; }
.oem-card h4 { font-weight: 700; color: var(--primary); margin-bottom: 6px; font-size: 0.95rem; }
.oem-card p { font-size: 0.82rem; color: var(--text-light); line-height: 1.6; }

/* ===== WHY CHOOSE US ===== */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-card { padding: 32px 24px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); text-align: center; transition: var(--transition); }
.why-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(212,119,44,0.3); transform: translateY(-4px); }
.why-icon { width: 60px; height: 60px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; font-size: 1.5rem; background: rgba(212,119,44,0.15); color: var(--accent); }
.why-card h4 { font-weight: 700; margin-bottom: 10px; font-size: 1rem; }
.why-card p { font-size: 0.85rem; color: rgba(255,255,255,0.6); line-height: 1.7; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-content h3 { font-family: 'Playfair Display', serif; font-size: 2.1rem; font-weight: 800; color: var(--primary); margin-bottom: 18px; line-height: 1.3; }
.about-content p { font-size: 1rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.8; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.about-feat { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--primary); font-size: 0.92rem; }
.about-feat i { color: var(--accent); }
.about-image { border-radius: var(--radius-lg); overflow: hidden; }
.about-image img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }

/* ===== BRAND STORY ===== */
.brand-story { padding: 90px 0; background: linear-gradient(135deg, #0f1923, #1a2e3f); }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.story-content h3 { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 20px; line-height: 1.3; }
.story-content p { font-size: 0.98rem; color: rgba(255,255,255,0.7); margin-bottom: 16px; line-height: 1.85; }
.story-content blockquote { border-left: 3px solid var(--accent); padding-left: 20px; margin: 24px 0; font-style: italic; color: rgba(212,119,44,0.9); font-size: 1.05rem; }
.story-image { border-radius: var(--radius-lg); overflow: hidden; }
.story-image img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }

/* ===== FACTORY GALLERY ===== */
.factory-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.factory-item { border-radius: var(--radius); overflow: hidden; position: relative; }
.factory-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform 0.5s ease; }
.factory-item:hover img { transform: scale(1.05); }
.factory-item .caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 16px; background: linear-gradient(transparent, rgba(0,0,0,0.7)); color: #fff; font-size: 0.88rem; font-weight: 600; }

/* ===== TESTIMONIALS ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; transition: var(--transition); }
.testimonial-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
.testimonial-quote { font-size: 0.95rem; color: var(--text-light); line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.testimonial-quote::before { content: '"'; font-size: 2.5rem; color: var(--accent); line-height: 0; vertical-align: -0.5em; margin-right: 4px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-light); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--accent); }
.testimonial-name { font-weight: 700; font-size: 0.9rem; color: var(--primary); }
.testimonial-role { font-size: 0.78rem; color: var(--text-muted); }

/* ===== CERTIFICATIONS ===== */
.cert-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.cert-item { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 24px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); transition: var(--transition); }
.cert-item:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.cert-item i { font-size: 1.8rem; color: var(--accent); }
.cert-item span { font-size: 0.82rem; font-weight: 600; color: var(--primary); text-align: center; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h3 { font-family: 'Playfair Display', serif; font-size: 1.9rem; font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.contact-info > p { font-size: 1rem; color: var(--text-light); margin-bottom: 32px; line-height: 1.8; }
.contact-detail { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.contact-detail-icon { width: 44px; height: 44px; min-width: 44px; border-radius: 12px; background: var(--accent-light); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1rem; }
.contact-detail-label { font-size: 0.78rem; color: var(--text-muted); }
.contact-detail-value { font-weight: 600; color: var(--primary); font-size: 0.92rem; }
.contact-form { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 10px; font-size: 0.92rem; font-family: inherit; transition: var(--transition); background: var(--bg); color: var(--text); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212,119,44,0.1); }
.form-group textarea { resize: vertical; min-height: 110px; }
.btn-submit { width: 100%; padding: 14px; background: var(--accent); color: #fff; border: none; border-radius: 10px; font-size: 0.95rem; font-weight: 700; cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 10px; }
.btn-submit:hover { background: var(--accent-hover); transform: translateY(-2px); }

/* ===== CTA BANNER ===== */
.cta-banner { padding: 72px 0; text-align: center; background: linear-gradient(135deg, var(--primary), #2a4a6b); }
.cta-banner h2 { font-family: 'Playfair Display', serif; font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-banner p { font-size: 1.05rem; color: rgba(255,255,255,0.7); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ===== SOCIAL LINKS ===== */
.social-links { display: flex; gap: 12px; }
.social-link { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; transition: var(--transition); font-size: 1.1rem; }
.social-link.light { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6); }
.social-link.light:hover { background: var(--accent); color: #fff; }
.social-link.dark { background: var(--bg-alt); color: var(--text-light); }
.social-link.dark:hover { background: var(--accent); color: #fff; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .nav-logo { margin-bottom: 14px; display: inline-block; color: #fff; }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; margin-bottom: 20px; }
.footer h4 { font-size: 0.92rem; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 9px; }
.footer-links a { font-size: 0.85rem; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ===== ANIMATIONS ===== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== PRODUCT DETAIL PAGE ===== */
.product-detail-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 48px; align-items: start; }
.product-gallery { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 100px; }
.gallery-main { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--bg-alt); }
.gallery-main a { display: block; cursor: zoom-in; }
.gallery-main img { width: 100%; aspect-ratio: 4/3; object-fit: contain; display: block; padding: 16px; }
.gallery-thumbs { display: flex; gap: 10px; }
.gallery-thumbs a { display: block; width: 80px; height: 80px; border-radius: 8px; overflow: hidden; border: 2px solid var(--border); cursor: pointer; flex-shrink: 0; transition: border-color 0.2s, box-shadow 0.2s; background: var(--bg-alt); }
.gallery-thumbs a.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(212,119,44,0.25); }
.gallery-thumbs a:hover { border-color: var(--accent); }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.product-detail-info h2 { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.product-detail-info .subtitle { font-size: 1rem; color: var(--text-light); margin-bottom: 24px; line-height: 1.7; }
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.spec-table th, .spec-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 0.88rem; text-align: left; }
.spec-table th { background: var(--bg-alt); font-weight: 600; color: var(--primary); width: 35%; }
.spec-table td { color: var(--text-light); }

/* ===== PROCESS CARDS ===== */
.process-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* ===== CUSTOM COMPONENT CARDS ===== */
.custom-component-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* ===== RESPONSIVE GRIDS ===== */
.custom-3col-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.custom-3col-grid-sm { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero h1 { font-size: 2.6rem; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .oem-grid, .about-grid, .story-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cert-grid { grid-template-columns: repeat(3, 1fr); }
    .testimonials-grid { grid-template-columns: 1fr; }
    .factory-grid { grid-template-columns: repeat(2, 1fr); }
    .product-detail-grid { grid-template-columns: 1fr; }
    .product-gallery { position: static; }
    .gallery-main img { aspect-ratio: 4/3; }
    .gallery-thumbs a { width: 64px; height: 64px; }
    .process-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .custom-3col-grid, .custom-3col-grid-sm { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-toggle { display: block; }
    .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg); padding: 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); }
    .hero { min-height: auto; padding: 120px 0 60px; }
    .hero h1 { font-size: 2rem; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .section { padding: 60px 0; }
    .section-title { font-size: 1.8rem; }
    .products-grid, .why-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .oem-visual { grid-template-columns: 1fr 1fr; }
    .oem-card:nth-child(2), .oem-card:nth-child(3) { margin-top: 0; }
    .factory-grid { grid-template-columns: 1fr; }
    .page-header h1 { font-size: 2rem; }
    .process-grid { grid-template-columns: 1fr !important; }
    .custom-3col-grid, .custom-3col-grid-sm { grid-template-columns: 1fr; }
}