/* ===== TIREO LLC - Global Stylesheet ===== */
:root {
  --ink-navy: #081b2c;
  --industrial-navy: #10263b;
  --graphite: #17212b;
  --safety-orange: #f36a10;
  --warm-white: #f7f7f4;
  --primary: var(--ink-navy);
  --primary-light: var(--industrial-navy);
  --accent: var(--safety-orange);
  --accent-hover: #d95508;
  --accent-light: #fff2e9;
  --gold: #c8960c;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f0f1f3;
  --gray-200: #e0e2e6;
  --gray-300: #c0c4cc;
  --gray-400: #9098a3;
  --gray-500: #606870;
  --gray-600: #404850;
  --gray-700: #2c3238;
  --gray-800: #1a1e22;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 6px;
  --radius-sm: 3px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
  --max-width: 1280px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--gray-700); background: var(--warm-white); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; font-size: 1rem; }
:focus-visible { outline: 3px solid rgba(243,106,16,.45); outline-offset: 3px; }

/* ===== Utility ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 50px 0; }
.btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 24px; border-radius: var(--radius-sm); font-weight: 700; font-size: 0.88rem; transition: var(--transition); border: 1px solid transparent; text-transform: uppercase; letter-spacing: 0.55px; }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-hover); color: var(--white); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(232,93,4,0.3); }
.btn-outline { border-color: var(--accent); color: var(--accent); background: transparent; }
.btn-outline:hover { background: var(--accent); color: var(--white); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--gray-100); color: var(--primary); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* ===== Header ===== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(8,27,44,.97); border-bottom: 1px solid rgba(255,255,255,.1); transition: var(--transition); backdrop-filter: blur(14px); }
.header.scrolled { box-shadow: 0 14px 36px rgba(0,0,0,.2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 900; color: var(--white); letter-spacing: .025em; }
.logo span { color: var(--accent); }
.logo img { height: 42px; width: auto; }

/* Nav */
.nav { display: flex; align-items: center; gap: 8px; }
.nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 14px; color: rgba(255,255,255,.76); font-weight: 600; font-size: 0.86rem; border-radius: 0; white-space: nowrap; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a.active { color: var(--white); background: transparent; border-bottom-color: var(--accent); }

/* Language Switcher */
.lang-switch { position: relative; margin-left: 8px; }
.lang-btn { min-height: 44px; display: flex; align-items: center; gap: 6px; padding: 8px 14px; background: transparent; border: 1px solid rgba(255,255,255,.22); border-radius: var(--radius-sm); font-size: 0.85rem; color: var(--white); cursor: pointer; font-weight: 600; }
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }
.lang-dropdown { display: none; position: absolute; top: 100%; right: 0; margin-top: 4px; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); box-shadow: var(--shadow-lg); min-width: 200px; z-index: 1001; overflow: hidden; }
.lang-dropdown.show { display: block; }
.lang-dropdown a { display: flex; align-items: center; gap: 8px; padding: 10px 16px; color: var(--gray-600); font-size: 0.85rem; }
.lang-dropdown a:hover { background: var(--accent-light); color: var(--accent); }
.lang-dropdown a.active { background: var(--accent-light); color: var(--accent); font-weight: 600; }

/* Mobile Menu */
.menu-toggle { min-width: 44px; min-height: 44px; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px; background: none; border: none; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ===== Hero (AIDA: Attention) ===== */
.hero { background: linear-gradient(135deg, var(--primary) 0%, #1a3550 50%, #0d1f30 100%); color: var(--white); padding: 160px 0 100px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -60%; right: -20%; width: 70%; height: 200%; background: radial-gradient(ellipse, rgba(232,93,4,0.15) 0%, transparent 70%); }
.hero::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 50%; height: 150%; background: radial-gradient(ellipse, rgba(200,150,12,0.08) 0%, transparent 70%); }
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-badge { display: inline-block; padding: 6px 16px; background: rgba(232,93,4,0.2); border: 1px solid rgba(232,93,4,0.4); border-radius: 50px; font-size: 0.8rem; font-weight: 600; letter-spacing: 1px; color: var(--accent); margin-bottom: 24px; text-transform: uppercase; }
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: 36px; max-width: 560px; line-height: 1.7; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.12); }
.hero-stat h3 { font-size: 1.8rem; font-weight: 700; color: var(--accent); }
.hero-stat p { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin: 0; }

/* Hero image (right side) */
.hero-img-wrap { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); z-index: 1; max-width: 480px; width: 40%; }
.hero-img-wrap img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }

/* ===== Section Headers ===== */
.sec-label { display: inline-block; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--accent); margin-bottom: 12px; }
.sec-title { font-size: 2.2rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; line-height: 1.25; }
.sec-sub { font-size: 1.05rem; color: var(--gray-500); max-width: 600px; }
.sec-center { text-align: center; }
.sec-center .sec-sub { margin: 0 auto 48px; }

/* ===== AIDA - Interest: Value Props ===== */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { text-align: center; padding: 32px 20px; border-radius: var(--radius); border: 1px solid var(--gray-200); transition: var(--transition); background: var(--white); }
.value-card:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-4px); }
.value-icon { width: 64px; height: 64px; margin: 0 auto 16px; background: var(--accent-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.value-icon img { width: 28px; height: 28px; }
.why-feat-icon { flex-shrink: 0; width: 44px; height: 44px; background: var(--accent-light); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.why-feat-icon img { width: 20px; height: 20px; }
.contact-item-icon { width: 40px; height: 40px; background: var(--accent-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--accent); flex-shrink: 0; }
.contact-item-icon img { width: 18px; height: 18px; }
.wa-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; background: #25D366; color: white; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; text-decoration: none; transition: var(--transition); }
.wa-btn:hover { background: #128C7E; color: white; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,211,102,0.3); }
.value-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.value-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.6; }

/* ===== AIDA - Desire: Product Showcase ===== */
.products-showcase { background: var(--gray-50); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-200); transition: var(--transition); }
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.product-card-img { height: 240px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card-body { padding: 20px; }
.product-card-body h3 { font-size: 1.1rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.product-card-body p { font-size: 0.88rem; color: var(--gray-500); margin-bottom: 16px; line-height: 1.55; }
.product-card-body .btn { font-size: 0.82rem; padding: 8px 20px; }

/* ===== AIDA - Desire: Why Us ===== */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: center; }
.why-img img { border-radius: var(--radius); box-shadow: var(--shadow); }
.why-features { display: grid; gap: 20px; margin-top: 28px; }
.why-feat { display: flex; gap: 14px; align-items: flex-start; }
.why-feat-icon { flex-shrink: 0; width: 44px; height: 44px; background: var(--accent-light); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.why-feat-icon img { width: 20px; height: 20px; }
.why-feat h4 { font-size: 0.95rem; font-weight: 600; color: var(--primary); margin-bottom: 4px; }
.why-feat p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.5; }

/* ===== AIDA - Action: CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--accent) 0%, #c94d00 100%); color: var(--white); text-align: center; }
.cta-section .sec-title { color: var(--white); }
.cta-section .sec-sub { color: rgba(255,255,255,0.85); margin: 0 auto 36px; }
.cta-section .btn-white { font-size: 1.05rem; padding: 16px 40px; }

/* ===== Testimonials ===== */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: var(--white); padding: 28px; border-radius: var(--radius); border: 1px solid var(--gray-200); }
.testimonial-card .stars { color: var(--gold); font-size: 0.9rem; margin-bottom: 12px; }
.testimonial-card q { font-size: 0.92rem; color: var(--gray-600); line-height: 1.6; font-style: italic; display: block; margin-bottom: 16px; }
.testimonial-card .author { font-weight: 600; font-size: 0.88rem; color: var(--primary); }
.testimonial-card .author span { display: block; font-weight: 400; color: var(--gray-400); font-size: 0.78rem; }

/* ===== Page Header (inner pages) ===== */
.page-header { background: var(--primary); color: var(--white); padding: 120px 0 50px; text-align: center; }
.page-header h1 { font-size: 2.4rem; font-weight: 700; }
.page-header p { color: rgba(255,255,255,0.7); margin-top: 8px; }
.breadcrumb { display: flex; justify-content: center; gap: 8px; font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 12px; }
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: var(--accent); }

/* ===== About Page ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-text h2 { font-size: 1.6rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.about-text p { color: var(--gray-500); margin-bottom: 16px; line-height: 1.7; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }
.about-stat { text-align: center; padding: 20px 12px; background: var(--accent-light); border-radius: var(--radius); }
.about-stat h3 { font-size: 1.6rem; color: var(--accent); font-weight: 700; }
.about-stat p { font-size: 0.8rem; color: var(--gray-500); margin: 0; }

/* ===== Products Page ===== */
.filter-bar { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
.filter-btn { padding: 8px 20px; border: 1px solid var(--gray-200); border-radius: 50px; background: var(--white); color: var(--gray-500); font-size: 0.85rem; cursor: pointer; transition: var(--transition); font-weight: 500; }
.filter-btn.active, .filter-btn:hover { background: var(--accent); color: var(--white); border-color: var(--accent); }

/* ===== Product Detail ===== */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.product-gallery .main-img { border-radius: var(--radius); overflow: hidden; background: var(--gray-100); }
.product-gallery img { width: 100%; }
.product-specs { margin-top: 28px; }
.product-specs h3 { font-size: 1.1rem; font-weight: 600; color: var(--primary); margin-bottom: 12px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); font-size: 0.9rem; }
.spec-table td:first-child { font-weight: 600; color: var(--gray-600); width: 40%; }
.inquiry-box { background: var(--gray-50); padding: 28px; border-radius: var(--radius); margin-top: 28px; }
.inquiry-box h3 { font-size: 1.1rem; font-weight: 600; color: var(--primary); margin-bottom: 16px; }
.inquiry-box .form-row { display: flex; gap: 12px; margin-bottom: 12px; }
.inquiry-box input, .inquiry-box textarea { flex: 1; padding: 12px 16px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm); outline: none; transition: var(--transition); }
.inquiry-box input:focus, .inquiry-box textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,4,0.1); }
.inquiry-box textarea { width: 100%; min-height: 100px; resize: vertical; }

/* ===== Blog ===== */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-200); transition: var(--transition); }
.blog-card:hover { box-shadow: var(--shadow-lg); }
.blog-card-img { height: 200px; background: var(--gray-100); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-body { padding: 20px; }
.blog-card .meta { font-size: 0.8rem; color: var(--gray-400); margin-bottom: 8px; }
.blog-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
.blog-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.55; }

/* Blog Post */
.blog-post-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.blog-post-body h1 { font-size: 2rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; line-height: 1.25; }
.post-meta { display: flex; gap: 20px; font-size: 0.85rem; color: var(--gray-400); margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-200); }
.post-content { font-size: 1rem; line-height: 1.75; color: var(--gray-600); }
.post-content h2 { font-size: 1.4rem; font-weight: 600; color: var(--primary); margin: 32px 0 12px; }
.post-content p { margin-bottom: 16px; }
.post-content img { border-radius: var(--radius); margin: 24px 0; }
.post-share { display: flex; gap: 10px; align-items: center; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--gray-200); }
.post-share span { font-weight: 600; font-size: 0.85rem; color: var(--gray-500); }
.post-share a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--gray-100); color: var(--gray-600); font-size: 0.9rem; transition: var(--transition); }
.post-share a:hover { background: var(--accent); color: var(--white); }

/* Sidebar */
.sidebar-card { background: var(--gray-50); padding: 24px; border-radius: var(--radius); margin-bottom: 20px; }
.sidebar-card h3 { font-size: 1rem; font-weight: 600; color: var(--primary); margin-bottom: 14px; }
.author-card { text-align: center; }
.author-card .author-avatar { width: 80px; height: 80px; border-radius: 50%; background: var(--gray-300); margin: 0 auto 12px; overflow: hidden; }
.author-card h4 { font-size: 1rem; font-weight: 600; color: var(--primary); }
.author-card p { font-size: 0.82rem; color: var(--gray-500); margin: 6px 0; }

/* ===== Contact Page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info h2 { font-size: 1.6rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.contact-info p { color: var(--gray-500); margin-bottom: 28px; }
.contact-item { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-item i { width: 40px; height: 40px; background: var(--accent-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-item i img { width: 18px; height: 18px; }
.contact-item h4 { font-size: 0.9rem; font-weight: 600; color: var(--primary); }
.contact-item p { font-size: 0.88rem; color: var(--gray-500); margin: 0; }
.contact-form { background: var(--gray-50); padding: 32px; border-radius: var(--radius); }
.contact-form .form-group { margin-bottom: 16px; }
.contact-form label { display: block; font-weight: 500; font-size: 0.85rem; color: var(--gray-600); margin-bottom: 6px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 16px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm); outline: none; transition: var(--transition); }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,93,4,0.1); }
.contact-form textarea { min-height: 120px; resize: vertical; }

/* ===== Popup ===== */
.popup-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 9999; align-items: center; justify-content: center; }
.popup-overlay.show { display: flex; }
.popup { background: var(--white); border-radius: var(--radius); padding: 36px 32px; max-width: 440px; width: 90%; box-shadow: var(--shadow-lg); position: relative; }
.popup-close { position: absolute; top: 12px; right: 16px; background: none; border: none; font-size: 1.4rem; color: var(--gray-400); cursor: pointer; }
.popup h3 { font-size: 1.3rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.popup p { font-size: 0.88rem; color: var(--gray-500); margin-bottom: 20px; }
.popup .form-group { margin-bottom: 14px; }
.popup input, .popup textarea { width: 100%; padding: 12px 16px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm); outline: none; }
.popup input:focus, .popup textarea:focus { border-color: var(--accent); }
.popup textarea { min-height: 90px; resize: vertical; }
.popup .btn { width: 100%; justify-content: center; }

/* ===== Thank You ===== */
.thankyou { text-align: center; padding: 160px 0 100px; }
.thankyou-icon { font-size: 4rem; margin-bottom: 20px; }
.thankyou h1 { font-size: 2.2rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.thankyou p { color: var(--gray-500); margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; }

/* ===== 404 ===== */
.notfound { text-align: center; padding: 160px 0 100px; }
.notfound h1 { font-size: 6rem; font-weight: 800; color: var(--accent); line-height: 1; }
.notfound h2 { font-size: 1.6rem; color: var(--primary); margin: 12px 0; }
.notfound p { color: var(--gray-500); margin-bottom: 28px; }

/* ===== Footer ===== */
.footer { background: var(--primary); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer h4 { color: var(--white); font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; }
.footer p, .footer a { font-size: 0.85rem; color: rgba(255,255,255,0.6); line-height: 2; }
.footer a:hover { color: var(--accent); }
.footer-about p { line-height: 1.6; margin-bottom: 16px; }
.footer-qr { display: flex; gap: 20px; margin-top: 12px; }
.footer-qr img { width: 80px; height: 80px; border-radius: var(--radius-sm); background: var(--white); padding: 4px; }
.footer-qr span { display: block; font-size: 0.72rem; text-align: center; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.8rem; }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Sitemap ===== */
.sitemap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.sitemap-grid h3 { font-size: 1rem; font-weight: 600; color: var(--primary); margin-bottom: 12px; }
.sitemap-grid a { display: block; font-size: 0.88rem; color: var(--gray-500); padding: 4px 0; }
.sitemap-grid a:hover { color: var(--accent); }

/* ===== Legal pages ===== */
.legal-content { max-width: 800px; margin: 0 auto; font-size: 0.95rem; color: var(--gray-600); line-height: 1.75; }
.legal-content h2 { font-size: 1.3rem; font-weight: 600; color: var(--primary); margin: 28px 0 12px; }
.legal-content p { margin-bottom: 14px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-img-wrap { display: none; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-post-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .sitemap-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-inner { height: 60px; }
  .nav { display: none; position: fixed; top: 60px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 16px; border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow); }
  .nav.show { display: flex; }
  .menu-toggle { display: flex; }
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-stats { gap: 20px; }
  .hero-stat h3 { font-size: 1.4rem; }
  .value-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sec-title { font-size: 1.6rem; }
  .sitemap-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { text-align: center; justify-content: center; }
}

/* ===== Performance Authority Redesign ===== */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 11000;
  transform: translateY(-140%);
  padding: 10px 14px;
  background: var(--white);
  color: var(--ink-navy);
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-quote { min-height: 42px; padding: 9px 17px; }
.eyebrow, .sec-label {
  display: inline-block;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.performance-home .header { position: absolute; }
.performance-home .header.scrolled { position: fixed; }
.performance-home .hero {
  min-height: 760px;
  padding: 160px 0 72px;
  background: var(--ink-navy);
}
.performance-home .hero::before,
.performance-home .hero::after { display: none; }
.hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
  align-items: center;
  gap: 54px;
}
.performance-home .hero-content { max-width: 690px; }
.performance-home .hero .eyebrow {
  padding: 6px 10px;
  margin-bottom: 22px;
  border: 1px solid rgba(243,106,16,.7);
}
.performance-home .hero h1 {
  margin-bottom: 22px;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(3.25rem, 4.5vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: .98;
  text-transform: none;
}
.performance-home .hero h1 span { display: block; color: var(--accent); }
.performance-home .hero .hero-subtitle {
  margin-bottom: 12px;
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
}
.performance-home .hero .hero-lead {
  max-width: 570px;
  margin-bottom: 30px;
  color: rgba(255,255,255,.68);
  font-size: .94rem;
  line-height: 1.65;
}
.performance-home .hero .btn-outline {
  border-color: rgba(255,255,255,.42);
  color: var(--white);
}
.performance-home .hero .btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent);
}
.hero-media {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  background: var(--graphite);
}
.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  object-position: 66% center;
}
.hero-media-caption {
  position: absolute;
  right: 20px;
  bottom: 18px;
  padding: 8px 11px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(8,27,44,.84);
  color: rgba(255,255,255,.76);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.16);
}
.proof-item {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 64px;
  padding: 0 18px;
  border-left: 1px solid rgba(255,255,255,.14);
}
.proof-item:first-child { padding-left: 0; border-left: 0; }
.proof-item img { width: 24px; height: 24px; }
.proof-item strong { display: block; color: var(--white); font-size: 1rem; }
.proof-item span { color: rgba(255,255,255,.58); font-size: .78rem; }
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.trust-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: center;
  min-height: 126px;
  padding: 24px;
  border-left: 1px solid var(--gray-200);
}
.trust-item:first-child { border-left: 0; }
.trust-item img { width: 32px; height: 32px; }
.trust-item strong { display: block; color: var(--ink-navy); font-size: .9rem; }
.trust-item span { display: block; margin-top: 3px; color: var(--gray-500); font-size: .76rem; line-height: 1.45; }
.performance-section { padding: 94px 0; background: var(--warm-white); }
.section-intro { max-width: 720px; margin-bottom: 42px; }
.section-intro h2 {
  margin: 10px 0 15px;
  color: var(--ink-navy);
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -.035em;
  line-height: 1.02;
}
.section-intro p { max-width: 640px; color: var(--gray-500); font-size: 1rem; }
.product-family-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.product-family {
  position: relative;
  display: grid;
  grid-template-columns: minmax(190px, .86fr) minmax(220px, 1.14fr);
  min-height: 294px;
  overflow: hidden;
  border: 1px solid var(--gray-300);
  background: var(--white);
}
.product-family-copy {
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 34px 12px 34px 34px;
}
.product-family h3 { margin-bottom: 10px; color: var(--ink-navy); font-size: 1.25rem; }
.product-family p { margin-bottom: 22px; color: var(--gray-500); font-size: .88rem; }
.text-link { color: var(--accent); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.product-family-media { min-height: 292px; }
.product-family-media img { width: 100%; height: 100%; object-fit: cover; }
.quality-section {
  padding: 88px 0;
  color: var(--white);
  background: var(--ink-navy);
}
.quality-layout {
  display: grid;
  grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr);
  gap: 44px;
  align-items: stretch;
}
.quality-copy { display: flex; flex-direction: column; justify-content: center; }
.quality-copy h2 {
  margin: 10px 0 16px;
  font-size: clamp(2.1rem, 4vw, 3.7rem);
  letter-spacing: -.035em;
  line-height: 1.02;
}
.quality-copy > p { color: rgba(255,255,255,.68); }
.quality-media { position: relative; min-height: 440px; overflow: hidden; border: 1px solid rgba(255,255,255,.16); }
.quality-media > img { width: 100%; height: 100%; object-fit: cover; }
.quality-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 28px;
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.13);
}
.quality-point { padding: 20px; background: var(--industrial-navy); }
.quality-point strong { display: block; margin-bottom: 4px; color: var(--white); font-size: .9rem; }
.quality-point span { color: rgba(255,255,255,.58); font-size: .76rem; }
.oem-section { padding: 92px 0; background: var(--white); }
.oem-layout {
  display: grid;
  grid-template-columns: minmax(360px, .9fr) minmax(0, 1.1fr);
  gap: 60px;
  align-items: center;
}
.oem-media { min-height: 480px; overflow: hidden; background: var(--graphite); }
.oem-media img { width: 100%; height: 100%; min-height: 480px; object-fit: cover; }
.oem-copy h2 {
  margin: 10px 0 16px;
  color: var(--ink-navy);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  letter-spacing: -.04em;
  line-height: 1;
}
.oem-copy > p { color: var(--gray-500); }
.oem-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 30px 0;
}
.oem-point { padding-top: 15px; border-top: 2px solid var(--gray-200); }
.oem-point strong { display: block; color: var(--ink-navy); font-size: .92rem; }
.oem-point span { display: block; margin-top: 5px; color: var(--gray-500); font-size: .78rem; }
.global-supply {
  padding: 86px 0;
  color: var(--white);
  background: var(--industrial-navy);
}
.global-layout {
  display: grid;
  grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr);
  gap: 50px;
  align-items: center;
}
.global-copy h2 {
  margin: 10px 0 16px;
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  letter-spacing: -.04em;
  line-height: 1;
}
.global-copy > p { color: rgba(255,255,255,.68); }
.supply-list { display: grid; gap: 12px; margin: 28px 0; }
.supply-list li { padding-left: 14px; border-left: 2px solid var(--accent); color: rgba(255,255,255,.78); font-size: .9rem; }
.market-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.market-card { min-height: 138px; padding: 24px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.035); }
.market-card strong { display: block; color: var(--white); }
.market-card span { display: block; margin-top: 7px; color: rgba(255,255,255,.58); font-size: .8rem; }
.quote-band { padding: 28px 0; background: var(--accent); color: var(--white); }
.quote-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.quote-band h2 { font-size: 1.6rem; }
.quote-band p { color: rgba(255,255,255,.82); }
.quote-band .btn-white { min-width: 190px; }
.cta-section { background: var(--accent); }
.page-header { background: var(--ink-navy); }
.products-showcase { background: var(--warm-white); }
.product-card, .value-card, .testimonial-card, .contact-form, .inquiry-box, .sidebar-card { border-radius: var(--radius); box-shadow: none; }
.product-card:hover, .value-card:hover, .blog-card:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(8,27,44,.11); }
.footer { background: #061521; }
.footer-contact-line { display: flex; align-items: flex-start; gap: 9px; }
.footer-contact-line img { width: 17px; height: 17px; margin-top: 7px; filter: brightness(0) invert(1); opacity: .62; }
.popup-overlay { padding: 24px; background: rgba(3,12,20,.82); }
.popup {
  max-width: 720px;
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 38px;
  border-radius: var(--radius);
}
.popup-close { min-width: 44px; min-height: 44px; top: 8px; right: 8px; }
.popup-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.popup-grid .full { grid-column: 1 / -1; }
.popup label, .form-group label {
  display: block;
  margin-bottom: 5px;
  color: var(--gray-600);
  font-size: .78rem;
  font-weight: 700;
}
.popup input, .popup textarea, .popup select,
.contact-form input, .contact-form textarea, .contact-form select,
.inquiry-box input, .inquiry-box textarea, .inquiry-box select {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--gray-700);
}
.popup textarea, .contact-form textarea, .inquiry-box textarea { min-height: 112px; }
.field-error { min-height: 18px; margin-top: 4px; color: #b42318; font-size: .75rem; }
[aria-invalid="true"] { border-color: #b42318 !important; }
.form-config-note { margin: 14px 0; padding: 10px 12px; border-left: 3px solid var(--accent); background: var(--accent-light); color: var(--gray-600); font-size: .78rem; }
.popup-actions { display: flex; gap: 12px; align-items: center; }
.popup-actions .btn { flex: 1; }
.wa-btn { min-height: 44px; border-radius: var(--radius-sm); }
.nav.show { overflow-y: auto; }
[dir="rtl"] .lang-dropdown { right: auto; left: 0; }
[dir="rtl"] .proof-item { border-left: 0; border-right: 1px solid rgba(255,255,255,.14); }
[dir="rtl"] .proof-item:first-child { padding-left: 18px; padding-right: 0; border-right: 0; }
[dir="rtl"] .hero-media { direction: ltr; }
[dir="rtl"] .supply-list li { padding-right: 14px; padding-left: 0; border-right: 2px solid var(--accent); border-left: 0; }
.locale-de.performance-home .hero h1,
.locale-ru.performance-home .hero h1 { font-size: clamp(2.85rem, 4vw, 4.15rem); }
.locale-ar.performance-home .hero h1,
.locale-ko.performance-home .hero h1,
.locale-ja.performance-home .hero h1,
.locale-zh.performance-home .hero h1 {
  font-family: var(--font);
  font-size: clamp(2.75rem, 4.3vw, 4.35rem);
  font-weight: 900;
  letter-spacing: -.04em;
  line-height: 1.08;
}
.locale-ar.performance-home .hero h1 { letter-spacing: 0; }
.locale-ko .section-intro h2,
.locale-ja .section-intro h2,
.locale-zh .section-intro h2,
.locale-ar .section-intro h2 { line-height: 1.14; }

@media (max-width: 1100px) {
  .header-quote { display: none; }
  .hero-shell { grid-template-columns: 1fr 420px; gap: 32px; }
  .performance-home .hero h1 { font-size: clamp(3rem, 6vw, 4.8rem); }
  .trust-item { padding: 20px 14px; }
}

@media (max-width: 900px) {
  .hero-shell, .quality-layout, .oem-layout, .global-layout { grid-template-columns: 1fr; }
  .performance-home .hero { min-height: auto; }
  .hero-media { min-height: 390px; order: -1; }
  .hero-media img { min-height: 390px; }
  .hero-proof, .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--gray-200); }
  .trust-item:nth-child(4) { border-top: 1px solid var(--gray-200); }
  .product-family-grid { grid-template-columns: 1fr; }
  .oem-media { min-height: 400px; }
  .oem-media img { min-height: 400px; }
}

@media (max-width: 768px) {
  .header { background: var(--ink-navy); }
  .header-inner { height: 68px; }
  .nav {
    top: 68px;
    padding: 10px 20px 22px;
    background: var(--ink-navy);
    border-bottom-color: rgba(255,255,255,.12);
  }
  .nav a { width: 100%; justify-content: flex-start; color: rgba(255,255,255,.8); border-bottom-color: rgba(255,255,255,.08); }
  .nav a:hover, .nav a.active { color: var(--white); border-bottom-color: var(--accent); }
  .lang-switch { margin-left: 0; }
  .lang-dropdown { position: fixed; top: 62px; right: 18px; max-height: calc(100vh - 88px); overflow: auto; }
  .performance-home .hero { padding: 92px 0 54px; }
  .performance-home .hero h1 { font-size: clamp(2.75rem, 14vw, 4.4rem); }
  .hero-media { min-height: 300px; }
  .hero-media img { min-height: 300px; }
  .hero-proof { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .proof-item:nth-child(3) { padding-left: 0; border-left: 0; }
  .performance-section, .quality-section, .oem-section, .global-supply { padding: 68px 0; }
  .product-family { grid-template-columns: 1fr; }
  .product-family-copy { padding: 28px; }
  .product-family-media { min-height: 240px; order: -1; }
  .quality-media { min-height: 320px; }
  .quality-grid, .oem-points, .market-grid { grid-template-columns: 1fr; }
  .quote-band-inner { align-items: flex-start; flex-direction: column; }
  .popup { padding: 34px 20px 24px; }
  .popup-grid { grid-template-columns: 1fr; }
  .popup-grid .full { grid-column: auto; }
  .popup-actions { flex-direction: column; }
  .popup-actions .btn, .popup-actions .wa-btn { width: 100%; justify-content: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .header-inner { padding: 0 16px; }
  .header-actions { gap: 6px; }
  .logo { font-size: 1.12rem; }
  .lang-btn { padding: 8px 10px; }
  .hero-btns { align-items: stretch; }
  .hero-btns .btn { width: 100%; }
  .hero-proof, .trust-grid { grid-template-columns: 1fr; }
  .proof-item, .proof-item:first-child, .proof-item:nth-child(3) { padding: 13px 0; border: 0; border-top: 1px solid rgba(255,255,255,.12); }
  .trust-item, .trust-item:first-child, .trust-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--gray-200); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}