/* ============================================
   HuaRui Precision - Main Stylesheet
   华瑞精艺 PCB智能装备企业官网
   ============================================ */

:root {
    --primary: #0F4C81;
    --primary-light: #1A6BB5;
    --primary-dark: #0A3558;
    --accent: #E8792B;
    --accent-light: #F59A4E;
    --accent-dark: #C9621A;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --success: #10B981;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    --font-display: "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    --container-max: 1280px;
    --container-padding: 1.5rem;
    --nav-height: 72px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }

.section-header { text-align: center; margin-bottom: 3rem; max-width: 680px; margin-left: auto; margin-right: auto; }
.section-header.light .section-title, .section-header.light .section-desc { color: var(--white); }
.section-header.light .section-tag { color: var(--accent-light); border-color: rgba(232,121,43,0.3); }
.section-tag {
    display: inline-block; font-size: 0.8rem; font-weight: 500; color: var(--accent);
    text-transform: uppercase; letter-spacing: 0.15em; padding: 0.35rem 1rem;
    border: 1px solid rgba(232,121,43,0.2); border-radius: var(--border-radius-full); margin-bottom: 1.5rem;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; color: var(--gray-900); margin-bottom: 1rem; letter-spacing: -0.02em; }
.section-desc { font-size: 1.05rem; color: var(--gray-500); line-height: 1.8; }

/* NAV */
.navbar { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height); z-index: 1000; transition: all var(--transition-base); background: transparent; }
.navbar.scrolled { background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: var(--shadow-md); height: 64px; }
.nav-container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; }
.nav-logo { display: flex; align-items: center; z-index: 1001; }
.logo-img { height: 42px; width: auto; object-fit: contain; transition: all var(--transition-base); }
.navbar.scrolled .logo-img { height: 36px; }

.logo-text { font-size: 1.3rem; font-weight: 900; color: var(--white); transition: color var(--transition-base); letter-spacing: 0.05em; }
.navbar.scrolled .logo-text { color: var(--primary); }
.logo-sub { font-family: var(--font-display); font-size: 0.6rem; color: rgba(255,255,255,0.7); letter-spacing: 0.2em; transition: color var(--transition-base); }
.navbar.scrolled .logo-sub { color: var(--gray-400); }
.nav-menu { display: flex; align-items: center; gap: 2rem; margin-left: auto; }
.nav-link { font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.85); position: relative; padding: 0.25rem 0; transition: color var(--transition-fast); }
.navbar.scrolled .nav-link { color: var(--gray-600); }
.nav-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--accent); border-radius: 1px; transition: width var(--transition-base); }
.nav-link:hover, .nav-link.active { color: var(--white); }
.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; z-index: 1001; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all var(--transition-base); }
.navbar.scrolled .nav-toggle span { background: var(--gray-700); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.lang-switcher { display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.2rem; border: 1px solid rgba(255,255,255,0.25); border-radius: var(--border-radius-full); background: rgba(255,255,255,0.08); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); z-index: 1001; }
.lang-switcher button { min-width: 42px; height: 30px; padding: 0 0.65rem; border-radius: var(--border-radius-full); color: rgba(255,255,255,0.8); font-size: 0.78rem; font-weight: 700; transition: all var(--transition-fast); }
.lang-switcher button:hover, .lang-switcher button.active { color: var(--primary); background: var(--white); }
.navbar.scrolled .lang-switcher { border-color: var(--gray-200); background: rgba(255,255,255,0.86); box-shadow: var(--shadow-sm); }
.navbar.scrolled .lang-switcher button { color: var(--gray-500); }
.navbar.scrolled .lang-switcher button:hover, .navbar.scrolled .lang-switcher button.active { color: var(--white); background: var(--primary); }

/* HERO */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; padding-top: var(--nav-height); }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #0A3558 0%, #0F4C81 40%, #1A6BB5 70%, #0F4C81 100%); z-index: 0; }
.hero-particles { position: absolute; inset: 0; z-index: 1; }
.hero-gradient { position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 50%, rgba(232,121,43,0.15) 0%, transparent 50%), radial-gradient(ellipse at 80% 20%, rgba(15,76,129,0.3) 0%, transparent 50%), radial-gradient(ellipse at 50% 80%, rgba(232,121,43,0.1) 0%, transparent 50%); z-index: 2; }
.hero-content { position: relative; z-index: 3; text-align: center; max-width: 900px; padding: 3rem var(--container-padding); }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(232,121,43,0.15); border: 1px solid rgba(232,121,43,0.3); padding: 0.5rem 1.25rem; border-radius: var(--border-radius-full); color: var(--accent-light); font-size: 0.85rem; font-weight: 500; margin-bottom: 2rem; animation: fadeInDown 0.8s ease-out; }
.hero-title { margin-bottom: 2rem; animation: fadeInUp 0.8s ease-out 0.2s both; }
.title-line { display: block; font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 300; color: rgba(255,255,255,0.8); margin-bottom: 0.5rem; letter-spacing: 0.1em; }
.title-highlight { display: block; font-size: clamp(2.2rem, 6vw, 3.8rem); font-weight: 900; background: linear-gradient(135deg, #FFF 0%, #F0C27F 50%, #E8792B 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: clamp(1rem, 1.5vw, 1.15rem); color: rgba(255,255,255,0.7); line-height: 1.8; max-width: 650px; margin: 0 auto 3rem; animation: fadeInUp 0.8s ease-out 0.4s both; }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: 3rem; margin-bottom: 3rem; animation: fadeInUp 0.8s ease-out 0.6s both; }
.stat-item { text-align: center; }
.stat-number { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: var(--white); line-height: 1.2; }
.stat-suffix { font-family: var(--font-display); font-size: clamp(1.2rem, 2.5vw, 1.8rem); font-weight: 700; color: var(--accent); }
.stat-label { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-top: 0.25rem; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 1.5rem; animation: fadeInUp 0.8s ease-out 0.8s both; }
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.875rem 2rem; border-radius: var(--border-radius); font-size: 0.95rem; font-weight: 600; transition: all var(--transition-base); position: relative; overflow: hidden; }
.btn-primary { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); color: var(--white); box-shadow: 0 4px 15px rgba(232,121,43,0.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(232,121,43,0.5); }
.btn-outline { border: 2px solid rgba(255,255,255,0.3); color: var(--white); background: rgba(255,255,255,0.05); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }
.hero-scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 3; animation: fadeIn 1s ease-out 1.2s both; }
.scroll-indicator { width: 24px; height: 40px; border: 2px solid rgba(255,255,255,0.3); border-radius: 12px; display: flex; justify-content: center; padding-top: 8px; }
.scroll-dot { width: 4px; height: 8px; background: var(--white); border-radius: 2px; animation: scrollBounce 2s ease-in-out infinite; }

/* PRODUCTS */
.products { padding: 6rem 0; background: var(--gray-50); }
.product-filter { display: flex; justify-content: center; gap: 1rem; margin-bottom: 3rem; flex-wrap: wrap; }
.filter-btn { padding: 0.6rem 1.5rem; border-radius: var(--border-radius-full); font-size: 0.9rem; font-weight: 500; color: var(--gray-500); border: 1px solid var(--gray-200); background: var(--white); transition: all var(--transition-base); }
.filter-btn:hover { border-color: var(--primary-light); color: var(--primary); }
.filter-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); box-shadow: 0 4px 12px rgba(15,76,129,0.3); }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.product-card { background: var(--white); border-radius: var(--border-radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition-base); border: 1px solid var(--gray-100); }
.product-card.hidden { display: none; }
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: transparent; }
.product-image { position: relative; height: 220px; background: #FFFFFF; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-image .device-photo {
    width: 100%;
    height: 100%;
    padding: 0.75rem;
    object-fit: contain;
    background: #FFFFFF;
    transition: filter 0.35s ease;
    filter: brightness(1);
}
.product-card:hover .device-photo { filter: brightness(1.03); }
.product-card:nth-child(2n) .product-image { background: #FFFFFF; }
.product-card:nth-child(3n) .product-image { background: #FFFFFF; }
.product-icon-wrap { width: 80px; height: 80px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: transform var(--transition-base); }
.product-card:hover .product-icon-wrap { transform: scale(1.1) rotate(5deg); }
.product-icon-wrap i { font-size: 2rem; color: var(--white); }
.product-tag { position: absolute; top: 1rem; right: 1rem; padding: 0.25rem 0.75rem; border-radius: var(--border-radius-full); font-size: 0.75rem; font-weight: 600; background: var(--accent); color: var(--white); }
.product-tag.hot { background: #EF4444; }
.product-tag.new { background: var(--success); }
.product-info { padding: 1.5rem; }
.product-model { font-family: var(--font-display); font-size: 0.85rem; color: var(--accent); font-weight: 700; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.product-name { font-size: 1.1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 1rem; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-specs { display: flex; gap: 0.75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.spec { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.8rem; color: var(--gray-500); background: var(--gray-50); padding: 0.3rem 0.65rem; border-radius: var(--border-radius-sm); }
.spec i { color: var(--primary-light); font-size: 0.7rem; }
.product-feature { font-size: 0.9rem; color: var(--gray-500); line-height: 1.7; margin-bottom: 1.5rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-link { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.9rem; font-weight: 600; color: var(--primary); transition: all var(--transition-fast); }
.product-link:hover { color: var(--accent); gap: 0.65rem; }
.product-link i { font-size: 0.75rem; }

/* ADVANTAGES */
.advantages { padding: 6rem 0; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%); position: relative; overflow: hidden; }
.advantages::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 10% 20%, rgba(232,121,43,0.1) 0%, transparent 40%), radial-gradient(circle at 90% 80%, rgba(232,121,43,0.08) 0%, transparent 40%); }
.advantages-grid { position: relative; display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.5rem; }
.advantage-card { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--border-radius-lg); padding: 2rem; backdrop-filter: blur(10px); transition: all var(--transition-base); }
.advantage-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); border-color: rgba(232,121,43,0.3); }
.advantage-icon { width: 56px; height: 56px; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); border-radius: var(--border-radius); display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; box-shadow: 0 4px 15px rgba(232,121,43,0.3); }
.advantage-icon i { font-size: 1.4rem; color: var(--white); }
.advantage-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--white); margin-bottom: 0.5rem; }
.advantage-card p { font-size: 0.9rem; color: rgba(255,255,255,0.65); line-height: 1.7; }

/* APPLICATION */
.application { padding: 6rem 0; background: var(--white); }
.app-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1.5rem; }
.app-item { text-align: center; padding: 1.5rem; border-radius: var(--border-radius); border: 1px solid var(--gray-100); transition: all var(--transition-base); }
.app-item:hover { border-color: var(--primary-light); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.app-icon { width: 64px; height: 64px; background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; transition: all var(--transition-base); }
.app-item:hover .app-icon { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); }
.app-icon i { font-size: 1.5rem; color: var(--primary); transition: color var(--transition-base); }
.app-item:hover .app-icon i { color: var(--white); }
.app-item h4 { font-size: 1rem; font-weight: 600; color: var(--gray-900); margin-bottom: 0.25rem; }
.app-item p { font-size: 0.8rem; color: var(--gray-400); }

/* ABOUT */
.about { padding: 6rem 0; background: var(--gray-50); }
.about-subtitle { font-size: 1.3rem; font-weight: 700; color: var(--gray-900); margin-bottom: 2rem; text-align: center; position: relative; padding-bottom: 1rem; }
.about-subtitle::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 50px; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 2px; }

/* About Intro */
.about-intro { margin-bottom: 4rem; }
.about-intro-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 3rem; align-items: start; }
.about-intro-text .about-lead { font-size: 1.1rem; font-weight: 500; color: var(--gray-800); line-height: 1.9; margin-bottom: 1.5rem; }
.about-intro-text p { color: var(--gray-600); line-height: 1.8; margin-bottom: 1rem; }
.about-intro-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.highlight-card { background: var(--white); border-radius: var(--border-radius); padding: 1.5rem; text-align: center; border: 1px solid var(--gray-100); transition: all var(--transition-base); }
.highlight-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--accent); }
.highlight-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 0.75rem; }
.highlight-icon i { color: var(--white); font-size: 0.9rem; }
.highlight-number { font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: var(--primary); line-height: 1.2; }
.highlight-label { font-size: 0.85rem; color: var(--gray-400); margin-top: 0.25rem; }

/* Tech Cards */
.about-tech { margin-bottom: 4rem; }
.tech-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.tech-card { background: var(--white); border-radius: var(--border-radius-lg); padding: 2rem; border: 1px solid var(--gray-100); transition: all var(--transition-base); }
.tech-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--primary-light); }
.tech-card-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.tech-card-icon { width: 48px; height: 48px; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); border-radius: var(--border-radius); display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 4px 12px rgba(232,121,43,0.3); }
.tech-card-icon i { color: var(--white); font-size: 1.2rem; }
.tech-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); line-height: 1.4; }
.tech-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.8; }

/* Timeline */
.about-timeline { margin-bottom: 4rem; }
.timeline { position: relative; max-width: 700px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 24px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%); }
.timeline-item { position: relative; padding-left: 70px; padding-bottom: 2.5rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot { position: absolute; left: 16px; top: 4px; width: 18px; height: 18px; background: var(--white); border: 3px solid var(--primary); border-radius: 50%; z-index: 1; transition: all var(--transition-base); }
.timeline-item:last-child .timeline-dot { border-color: var(--accent); background: var(--accent); }
.timeline-item:last-child .timeline-dot::after { content: ''; position: absolute; inset: 3px; background: var(--white); border-radius: 50%; }
.timeline-item:hover .timeline-dot { box-shadow: 0 0 0 4px rgba(15,76,129,0.15); transform: scale(1.2); }
.timeline-content { background: var(--white); border-radius: var(--border-radius); padding: 1.25rem 1.5rem; border: 1px solid var(--gray-100); transition: all var(--transition-base); }
.timeline-item:hover .timeline-content { box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.timeline-year { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; color: var(--accent); margin-bottom: 0.35rem; }
.timeline-title { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; }
.timeline-desc { font-size: 0.88rem; color: var(--gray-500); line-height: 1.7; }

/* Values Cards */
.about-values-section { margin-bottom: 4rem; }
.values-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; max-width: 800px; margin: 0 auto; }
.value-card { text-align: center; padding: 2rem 1.5rem; background: var(--white); border-radius: var(--border-radius-lg); border: 1px solid var(--gray-100); transition: all var(--transition-base); }
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.value-card-icon { width: 64px; height: 64px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; box-shadow: 0 4px 15px rgba(15,76,129,0.2); }
.value-card-icon i { color: var(--white); font-size: 1.5rem; }
.value-card h4 { font-size: 1.2rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; }
.value-card p { font-size: 0.95rem; color: var(--gray-500); line-height: 1.6; }

/* Honors */
.honors { padding: 6rem 0; background: var(--white); }

/* Patent Wall */
.honors-patent { margin-bottom: 4rem; }
.honors-patent-header { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 2rem; padding: 1.5rem 2rem; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%); border-radius: var(--border-radius-lg); }
.honors-patent-icon { width: 56px; height: 56px; background: rgba(232,121,43,0.2); border-radius: var(--border-radius); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.honors-patent-icon i { color: var(--accent-light); font-size: 1.5rem; }
.honors-patent-header h3 { font-size: 1.2rem; font-weight: 700; color: var(--white); margin-bottom: 0.25rem; }
.honors-patent-header p { font-size: 0.9rem; color: rgba(255,255,255,0.65); }
.patent-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.patent-item { display: flex; align-items: center; gap: 1rem; padding: 1.25rem 1.5rem; background: var(--gray-50); border-radius: var(--border-radius); border: 1px solid var(--gray-100); transition: all var(--transition-base); }
.patent-item:hover { background: var(--white); box-shadow: var(--shadow-md); border-color: var(--primary-light); transform: translateX(4px); }
.patent-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: var(--border-radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.patent-icon i { color: var(--white); font-size: 1rem; }
.patent-label { font-size: 0.78rem; font-weight: 600; color: var(--accent); margin-bottom: 0.15rem; }
.patent-name { font-size: 0.9rem; font-weight: 600; color: var(--gray-800); line-height: 1.4; }

/* Awards */
.honors-subtitle { font-size: 1.2rem; font-weight: 600; color: var(--gray-700); margin-bottom: 1.5rem; text-align: center; }
.awards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; margin-bottom: 4rem; }
.award-card { text-align: center; padding: 2rem 1.5rem; background: var(--gray-50); border-radius: var(--border-radius-lg); border: 1px solid var(--gray-100); transition: all var(--transition-base); }
.award-card:hover { background: var(--white); box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--accent); }
.award-icon { width: 64px; height: 64px; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; box-shadow: 0 4px 15px rgba(232,121,43,0.3); }
.award-icon i { color: var(--white); font-size: 1.4rem; }
.award-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; line-height: 1.4; }
.award-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; }

/* Honors Stats */
.honors-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%); border-radius: var(--border-radius-lg); padding: 3rem 2rem; position: relative; overflow: hidden; }
.honors-stats::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(232,121,43,0.15) 0%, transparent 50%); }
.honor-stat { text-align: center; position: relative; z-index: 1; }
.honor-stat-number { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 900; color: var(--white); line-height: 1.2; }
.honor-stat-number span { font-size: 0.7em; color: var(--accent-light); }
.honor-stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.65); margin-top: 0.5rem; }

/* Clients */
.clients-section { text-align: center; }
.clients-title { font-size: 1.2rem; font-weight: 600; color: var(--gray-700); margin-bottom: 1.5rem; }
.clients-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.client-item { background: var(--white); padding: 1.5rem; border-radius: var(--border-radius-sm); font-size: 0.9rem; font-weight: 500; color: var(--gray-600); border: 1px solid var(--gray-100); transition: all var(--transition-base); }
.client-item:hover { border-color: var(--primary-light); color: var(--primary); box-shadow: var(--shadow-sm); }
.clients-note { font-size: 0.85rem; color: var(--gray-400); font-style: italic; }

/* CONTACT */
.contact { padding: 6rem 0; background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1.5rem; padding: 1.5rem; background: rgba(255,255,255,0.05); border-radius: var(--border-radius); border: 1px solid rgba(255,255,255,0.08); transition: all var(--transition-base); }
.contact-item:hover { background: rgba(255,255,255,0.08); border-color: rgba(232,121,43,0.3); }
.contact-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); border-radius: var(--border-radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon i { color: var(--white); font-size: 1rem; }
.contact-item h4 { font-size: 0.85rem; font-weight: 600; color: rgba(255,255,255,0.5); margin-bottom: 0.2rem; }
.contact-item p { font-size: 0.95rem; color: rgba(255,255,255,0.9); }
.contact-form-wrap { background: var(--white); border-radius: var(--border-radius-lg); padding: 2rem; box-shadow: var(--shadow-xl); }
.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--gray-700); margin-bottom: 0.5rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--gray-200); border-radius: var(--border-radius-sm); font-size: 0.95rem; color: var(--gray-800); transition: all var(--transition-fast); background: var(--gray-50); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(15,76,129,0.1); background: var(--white); }
.form-group textarea { resize: vertical; min-height: 100px; }
.contact-form .btn-primary { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); box-shadow: 0 4px 15px rgba(15,76,129,0.3); }

/* FOOTER */
.footer { background: var(--gray-900); padding: 3rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-logo { margin-bottom: 1.5rem; }
.footer-logo .logo-img { height: 48px; width: auto; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.9rem; color: var(--gray-400); line-height: 1.7; }
.footer-links h4, .footer-contact h4 { font-size: 0.95rem; font-weight: 600; color: var(--white); margin-bottom: 1.5rem; }
.footer-links ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.9rem; color: var(--gray-400); transition: all var(--transition-fast); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p { font-size: 0.9rem; color: var(--gray-400); margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.footer-contact i { color: var(--accent); font-size: 0.8rem; width: 16px; }
.footer-bottom { padding: 1.5rem 0; text-align: center; }
.footer-bottom p { font-size: 0.85rem; color: var(--gray-500); }

/* BACK TO TOP */
.back-to-top { position: fixed; bottom: 2rem; right: 2rem; width: 44px; height: 44px; background: var(--primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(10px); transition: all var(--transition-base); z-index: 999; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent); transform: translateY(-3px); }

/* ERROR PAGES */
.error-page { min-height: 100vh; display: flex; flex-direction: column; background: var(--gray-50); }
.error-main { flex: 1; display: flex; align-items: center; padding: calc(var(--nav-height) + 4rem) 0 5rem; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #123F5F 100%); color: var(--white); }
.error-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr); gap: 3rem; align-items: center; }
.error-kicker { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--accent-light); border: 1px solid rgba(232,121,43,0.35); background: rgba(232,121,43,0.14); border-radius: var(--border-radius-full); padding: 0.45rem 1rem; font-size: 0.85rem; margin-bottom: 1.5rem; }
.error-code { font-family: var(--font-display); font-size: clamp(4.5rem, 13vw, 8.5rem); line-height: 0.9; font-weight: 900; color: rgba(255,255,255,0.16); margin-bottom: 1rem; }
.error-title { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.15; font-weight: 900; margin-bottom: 1.25rem; }
.error-desc { max-width: 660px; color: rgba(255,255,255,0.76); font-size: 1.05rem; line-height: 1.85; margin-bottom: 2rem; }
.error-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.error-panel { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--border-radius-lg); padding: 1.5rem; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.error-panel h2 { font-size: 1rem; color: var(--white); margin-bottom: 1rem; }
.error-link-list { display: grid; gap: 0.75rem; }
.error-link-list a { display: flex; align-items: center; gap: 0.75rem; padding: 0.85rem 1rem; border-radius: var(--border-radius); color: rgba(255,255,255,0.84); background: rgba(255,255,255,0.07); transition: all var(--transition-base); }
.error-link-list a:hover { color: var(--white); background: rgba(232,121,43,0.28); transform: translateX(4px); }
.error-link-list i { width: 18px; color: var(--accent-light); }
.error-proof { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.12); color: rgba(255,255,255,0.66); font-size: 0.92rem; line-height: 1.7; }

/* ANIMATIONS */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scrollBounce { 0%,100% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(8px); opacity: 0.3; } }
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .about-intro-grid { grid-template-columns: 1fr; }
    .about-intro-highlights { grid-template-columns: repeat(4, 1fr); }
    .tech-cards { grid-template-columns: 1fr 1fr; }
    .priority-grid { grid-template-columns: 1fr; }
    .priority-card { display: grid; grid-template-columns: 0.8fr 1.2fr; }
    .priority-card__media { height: auto; min-height: 100%; }
    .inquiry-actions { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .honors-stats { grid-template-columns: repeat(4, 1fr); padding: 2rem 1.5rem; }
    .error-layout { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
    :root { --container-padding: 1rem; }
    .nav-toggle { display: flex; }
    .lang-switcher { order: 2; margin-left: auto; }
    .nav-toggle { order: 3; }
    .nav-menu {
        position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
        background: var(--white); flex-direction: column; justify-content: center;
        gap: 2rem; box-shadow: var(--shadow-xl); transition: right var(--transition-base);
        padding: 2rem;
    }
    .nav-menu.active { right: 0; }
    .nav-menu .nav-link { font-size: 1.1rem; color: var(--gray-800); }
    .nav-menu .nav-link:hover, .nav-menu .nav-link.active { color: var(--primary); }
    .hero-stats { gap: 1.5rem; }
    .stat-divider { height: 30px; }
    .hero-actions { flex-direction: column; gap: 1rem; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .product-grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .app-grid { grid-template-columns: repeat(2, 1fr); }
    .about-intro-highlights { grid-template-columns: 1fr 1fr; }
    .tech-cards { grid-template-columns: 1fr; }
    .timeline { max-width: 100%; }
    .timeline::before { left: 12px; }
    .timeline-item { padding-left: 48px; }
    .timeline-dot { left: 4px; width: 16px; height: 16px; }
    .values-cards { grid-template-columns: 1fr; gap: 1rem; }
    .awards-grid { grid-template-columns: 1fr; }
    .honors-stats { grid-template-columns: 1fr 1fr; gap: 1.5rem; padding: 2rem 1.5rem; }
    .patent-wall { grid-template-columns: 1fr; }
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 1.5rem; }
    .error-main { padding: calc(var(--nav-height) + 2.5rem) 0 3rem; }
    .error-actions .btn { width: 100%; justify-content: center; }
    .error-panel { padding: 1.25rem; }
}

@media (max-width: 480px) {
    .hero-stats { flex-direction: column; gap: 1rem; }
    .stat-divider { width: 40px; height: 1px; }
    .app-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .app-item { padding: 1rem; }
    .app-icon { width: 48px; height: 48px; }
    .app-icon i { font-size: 1.2rem; }
    .about-intro-highlights { grid-template-columns: 1fr 1fr; }
    .highlight-card { padding: 1rem; }
    .highlight-number { font-size: 1.5rem; }
    .honors-stats { grid-template-columns: 1fr 1fr; }
    .honor-stat-number { font-size: 1.8rem; }
    .honors-patent-header { flex-direction: column; text-align: center; gap: 1rem; padding: 1.25rem; }
    .clients-grid { grid-template-columns: 1fr 1fr; }
}

/* Product Detail Page Specific */
.product-detail-hero { padding-top: calc(var(--nav-height) + 3rem); padding-bottom: 3rem; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%); }
.product-detail-hero .container { display: flex; flex-direction: column; align-items: center; text-align: center; }
.product-detail-hero h1 { font-size: clamp(1.5rem, 4vw, 2.5rem); color: var(--white); font-weight: 700; margin-bottom: 0.5rem; }
.product-detail-hero .model { font-family: var(--font-display); font-size: 1.1rem; color: var(--accent-light); margin-bottom: 1rem; }
.breadcrumb { display: flex; gap: 0.5rem; font-size: 0.85rem; margin-bottom: 2rem; }
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: var(--accent-light); }

.spec-table-section { padding: 3rem 0; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table tr:nth-child(even) { background: var(--gray-50); }
.spec-table td { padding: 0.75rem 1.5rem; border-bottom: 1px solid var(--gray-100); font-size: 0.95rem; }
.spec-table td:first-child { font-weight: 600; color: var(--gray-700); width: 200px; }
.spec-table td:last-child { color: var(--gray-600); }

.related-products { padding: 4rem 0; background: var(--gray-50); }

/* Toast notification */
.toast { position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(100px); background: var(--gray-800); color: var(--white); padding: 1rem 2rem; border-radius: var(--border-radius); font-size: 0.9rem; z-index: 9999; opacity: 0; transition: all var(--transition-base); box-shadow: var(--shadow-xl); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================
   Local premium brand color trial
   Carbon black + ExSKILL red, matched to the new logo direction.
   ============================================ */
:root {
    --primary: #12161D;
    --primary-light: #242B36;
    --primary-dark: #07090D;
    --accent: #E91D2A;
    --accent-light: #FF4A54;
    --accent-dark: #A80F18;
    --gray-50: #F7F7F5;
    --gray-100: #ECEDEA;
    --gray-200: #DADDD8;
    --gray-300: #BFC4BE;
    --gray-400: #858C86;
    --gray-500: #5F6761;
    --gray-600: #404842;
    --gray-700: #2B312D;
    --gray-800: #181D1A;
    --gray-900: #090B0D;
    --shadow-sm: 0 1px 2px rgba(5,8,12,0.06);
    --shadow-md: 0 12px 30px rgba(5,8,12,0.08);
    --shadow-lg: 0 18px 45px rgba(5,8,12,0.12);
    --shadow-xl: 0 28px 70px rgba(5,8,12,0.18);
}

body { background: #F7F7F5; }
.navbar { background: linear-gradient(180deg, rgba(7,9,13,0.88), rgba(7,9,13,0)); }
.navbar.scrolled { background: rgba(9,11,13,0.94); border-bottom: 1px solid rgba(255,255,255,0.08); box-shadow: 0 12px 35px rgba(0,0,0,0.22); }
.nav-logo { min-width: 232px; }
.logo-img { height: 58px; max-width: min(320px, 44vw); object-fit: contain; }
.navbar.scrolled .logo-img { height: 52px; }
.navbar.scrolled .nav-link { color: rgba(255,255,255,0.72); }
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active { color: var(--white); }
.nav-link::after { background: var(--accent); height: 3px; }
.navbar.scrolled .lang-switcher { border-color: rgba(255,255,255,0.16); background: rgba(255,255,255,0.08); box-shadow: none; }
.navbar.scrolled .lang-switcher button { color: rgba(255,255,255,0.72); }
.navbar.scrolled .lang-switcher button:hover,
.navbar.scrolled .lang-switcher button.active { color: var(--white); background: var(--accent); }
.navbar.scrolled .nav-toggle span { background: var(--white); }

.hero-bg { background: linear-gradient(135deg, #07090D 0%, #111720 44%, #1A2028 72%, #090B0D 100%); }
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(120deg, rgba(233,29,42,0.18) 0%, rgba(233,29,42,0.04) 28%, transparent 54%),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 84px);
}
.hero-bg::after {
    content: '';
    position: absolute;
    left: -12vw;
    bottom: -18vw;
    width: 56vw;
    height: 56vw;
    border: 1px solid rgba(233,29,42,0.24);
    transform: rotate(-18deg);
}
.hero-gradient { background: linear-gradient(180deg, rgba(7,9,13,0.1), rgba(7,9,13,0.58)); }
.hero-badge { background: rgba(233,29,42,0.12); border-color: rgba(233,29,42,0.42); color: #FFD7D9; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06); }
.title-line { color: rgba(255,255,255,0.74); }
.title-highlight { background: linear-gradient(135deg, #FFFFFF 0%, #FFFFFF 42%, #FF3B46 100%); -webkit-background-clip: text; background-clip: text; }
.hero-desc { color: rgba(255,255,255,0.72); }
.stat-number { color: #FFFFFF; }
.stat-suffix { color: var(--accent-light); }
.stat-label { color: rgba(255,255,255,0.58); }
.stat-divider { background: rgba(255,255,255,0.16); }
.btn { border-radius: 8px; }
.btn-primary { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); box-shadow: 0 16px 36px rgba(233,29,42,0.28); }
.btn-primary:hover { box-shadow: 0 18px 42px rgba(233,29,42,0.36); }
.btn-outline { border-color: rgba(255,255,255,0.24); background: rgba(255,255,255,0.04); }

.section-tag { color: var(--accent); border-color: rgba(233,29,42,0.22); background: rgba(233,29,42,0.04); }
.section-title { color: #111417; }
.priority-products { padding: 5.5rem 0; background: #F3F4F1; }
.priority-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.priority-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(18,22,29,0.08);
    border-radius: 8px;
    background: #FFFFFF;
    box-shadow: 0 18px 46px rgba(11,14,18,0.075);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.priority-card:hover {
    transform: translateY(-6px);
    border-color: rgba(233,29,42,0.34);
    box-shadow: 0 28px 68px rgba(11,14,18,0.15);
}
.priority-card__media {
    position: relative;
    height: 230px;
    overflow: hidden;
    background: #FFFFFF;
}
.priority-card__media img {
    width: 100%;
    height: 100%;
    display: block;
    padding: 0.75rem;
    object-fit: contain;
    background: #FFFFFF;
    transition: filter 0.35s ease;
}
.priority-card:hover .priority-card__media img { filter: brightness(1.03); }
.priority-card__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7,9,13,0.02) 45%, rgba(7,9,13,0.52) 100%);
}
.priority-card__media span {
    position: absolute;
    left: 1rem;
    bottom: 1rem;
    z-index: 1;
    padding: 0.35rem 0.7rem;
    border-radius: 6px;
    color: #FFFFFF;
    background: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
}
.priority-card__body { display: flex; flex: 1; flex-direction: column; padding: 1.5rem; }
.priority-card__eyebrow { margin-bottom: 0.45rem; color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.04em; }
.priority-card__body h3 { color: #111417; font-size: 1.2rem; line-height: 1.35; margin-bottom: 0.75rem; }
.priority-card__body p { color: var(--gray-500); font-size: 0.92rem; line-height: 1.75; margin-bottom: 1rem; }
.priority-points { display: flex; flex-direction: column; gap: 0.75rem; margin: 0 0 1.25rem; padding: 0; list-style: none; }
.priority-points li {
    display: grid;
    grid-template-columns: 5.2rem 1fr;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(18,22,29,0.08);
}
.priority-points li:last-child { border-bottom: 0; padding-bottom: 0; }
.priority-points strong { color: #111417; font-size: 0.84rem; white-space: nowrap; }
.priority-points span { color: var(--gray-500); font-size: 0.84rem; line-height: 1.6; }
.priority-actions { display: flex; align-items: center; justify-content: space-between; gap: 0.9rem; margin-top: auto; }
.product-link-button {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: #151A21;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: color var(--transition-fast), gap var(--transition-fast);
}
.product-link-button:hover { gap: 0.65rem; color: var(--accent); }
.product-link-button i { font-size: 0.75rem; }
.priority-actions .btn { min-height: 42px; padding: 0.65rem 1rem; white-space: nowrap; }
.fit-section { padding: 5rem 0; background: #FFFFFF; }
.fit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.fit-item {
    padding: 1.5rem;
    border: 1px solid rgba(18,22,29,0.09);
    border-radius: 8px;
    background: #FFFFFF;
    box-shadow: 0 14px 38px rgba(11,14,18,0.055);
}
.fit-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    border-radius: 8px;
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}
.fit-item h3 { font-size: 1rem; color: #111417; margin-bottom: 0.65rem; }
.fit-item p { color: var(--gray-500); font-size: 0.9rem; line-height: 1.7; }
.products { background: #F3F4F1; }
.filter-btn { border-radius: 8px; background: #FFFFFF; border-color: rgba(18,22,29,0.12); color: var(--gray-600); }
.filter-btn:hover { border-color: rgba(233,29,42,0.35); color: var(--accent); }
.filter-btn.active { background: #11161D; border-color: #11161D; box-shadow: 0 12px 24px rgba(17,22,29,0.18); }
.product-card { border-radius: 8px; border-color: rgba(18,22,29,0.08); box-shadow: 0 12px 35px rgba(11,14,18,0.06); }
.product-card:hover { box-shadow: 0 24px 60px rgba(11,14,18,0.14); }
.product-image { background: linear-gradient(135deg, #11161D 0%, #262E37 100%); }
.product-card:nth-child(2n) .product-image,
.product-card:nth-child(3n) .product-image { background: linear-gradient(135deg, #090B0D 0%, #232A33 100%); }
.product-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 58%, rgba(7,9,13,0.24));
    pointer-events: none;
}
.product-tag { background: var(--accent); border-radius: 6px; }
.product-tag.hot,
.product-tag.new { background: var(--accent); }
.product-model { color: var(--accent); }
.product-link { color: #151A21; }
.product-link:hover { color: var(--accent); }
.spec { background: #F4F4F1; color: var(--gray-600); }
.spec i { color: var(--accent); }

.advantages,
.honors-stats,
.product-detail-hero,
.contact,
.error-main { background: linear-gradient(135deg, #07090D 0%, #12161D 54%, #242B36 100%); }
.advantages::before,
.honors-stats::before {
    background:
        linear-gradient(135deg, rgba(233,29,42,0.16), transparent 38%),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 92px);
}
.advantage-card,
.contact-item,
.error-panel { background: rgba(255,255,255,0.055); border-color: rgba(255,255,255,0.12); border-radius: 8px; }
.advantage-card:hover,
.contact-item:hover { border-color: rgba(233,29,42,0.42); background: rgba(255,255,255,0.08); }
.advantage-icon,
.tech-card-icon,
.award-icon,
.contact-icon { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); box-shadow: 0 14px 30px rgba(233,29,42,0.22); border-radius: 8px; }

.about,
.related-products { background: #F3F4F1; }
.highlight-card,
.tech-card,
.timeline-content,
.value-card,
.award-card,
.contact-form-wrap { border-radius: 8px; border-color: rgba(18,22,29,0.08); box-shadow: 0 14px 38px rgba(11,14,18,0.055); }
.highlight-card:hover,
.value-card:hover,
.award-card:hover { border-color: rgba(233,29,42,0.42); }
.highlight-icon,
.value-card-icon,
.patent-icon,
.app-item:hover .app-icon { background: linear-gradient(135deg, #12161D 0%, #2B333D 100%); }
.highlight-number,
.app-icon i { color: #12161D; }
.timeline::before,
.about-subtitle::after { background: linear-gradient(180deg, #12161D 0%, var(--accent) 100%); }
.timeline-dot { border-color: #12161D; }
.timeline-item:last-child .timeline-dot { border-color: var(--accent); background: var(--accent); }
.timeline-year,
.patent-label,
.honor-stat-number span,
.footer-links a:hover,
.footer-contact i { color: var(--accent); }
.honors-patent-header { background: linear-gradient(135deg, #0A0D12 0%, #1A2028 100%); border-radius: 8px; }
.patent-item:hover { border-color: rgba(233,29,42,0.35); }
.client-item:hover { border-color: rgba(233,29,42,0.36); color: var(--accent); }

.contact-form .btn-primary { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); box-shadow: 0 16px 32px rgba(233,29,42,0.25); }
.inquiry-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: -1rem 0 3rem;
}
.inquiry-action {
    min-height: 116px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.35rem;
    padding: 1.25rem;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    background: rgba(255,255,255,0.055);
    color: #FFFFFF;
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}
.inquiry-action:hover {
    transform: translateY(-4px);
    border-color: rgba(233,29,42,0.44);
    background: rgba(255,255,255,0.085);
}
.inquiry-action i { color: var(--accent-light); font-size: 1.25rem; }
.inquiry-action span { color: rgba(255,255,255,0.58); font-size: 0.82rem; }
.inquiry-action strong { color: #FFFFFF; font-size: 0.95rem; line-height: 1.5; font-weight: 700; }
.inquiry-action .contact-lines { display: flex; flex-direction: column; gap: 0.12rem; }
.inquiry-action .contact-lines span { color: #FFFFFF; font-size: 0.95rem; line-height: 1.45; }
.inquiry-panel {
    gap: 1rem;
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    background: rgba(255,255,255,0.055);
    align-self: start;
}
.inquiry-panel__tag {
    display: inline-flex;
    width: max-content;
    padding: 0.32rem 0.7rem;
    border-radius: 6px;
    color: #FFD7D9;
    background: rgba(233,29,42,0.14);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}
.inquiry-panel h3 {
    color: #FFFFFF;
    font-size: 1.35rem;
    line-height: 1.45;
}
.inquiry-panel__intro {
    color: rgba(255,255,255,0.66);
    font-size: 0.95rem;
    line-height: 1.8;
}
.inquiry-checklist {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin: 0;
    padding: 0;
    list-style: none;
}
.inquiry-checklist li {
    display: grid;
    grid-template-columns: 26px 1fr;
    gap: 0.75rem;
    align-items: start;
    color: rgba(255,255,255,0.82);
    font-size: 0.93rem;
    line-height: 1.65;
}
.inquiry-checklist i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    color: #FFFFFF;
    background: var(--accent);
    font-size: 0.72rem;
}
.response-note {
    padding: 1rem;
    border-left: 3px solid var(--accent);
    background: rgba(255,255,255,0.055);
}
.response-note h4 { color: #FFFFFF; font-size: 0.96rem; margin-bottom: 0.35rem; }
.response-note p { color: rgba(255,255,255,0.66); font-size: 0.9rem; line-height: 1.7; }
.company-note {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding-top: 0.25rem;
    color: rgba(255,255,255,0.62);
    font-size: 0.86rem;
    line-height: 1.6;
}
.company-note strong { color: rgba(255,255,255,0.9); font-size: 0.92rem; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(233,29,42,0.10); }
.footer { background: #07090D; }
.footer-logo .logo-img { height: 64px; max-width: 320px; filter: none; }
.back-to-top { background: var(--accent); border-radius: 8px; }
.modal-open { overflow: hidden; }
.product-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: rgba(7,9,13,0.72);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.18s ease, visibility 0.18s ease;
}
.product-modal.visible { opacity: 1; visibility: visible; }
.product-modal__panel {
    position: relative;
    width: min(1040px, 100%);
    max-height: min(86vh, 820px);
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    overflow: hidden;
    border-radius: 8px;
    background: #FFFFFF;
    box-shadow: 0 30px 90px rgba(0,0,0,0.36);
    transform: translateY(12px);
    transition: transform 0.18s ease;
}
.product-modal.visible .product-modal__panel { transform: translateY(0); }
.product-modal__close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    z-index: 2;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 8px;
    color: #FFFFFF;
    background: rgba(7,9,13,0.74);
    cursor: pointer;
}
.product-modal__media { min-height: 100%; background: #FFFFFF; }
.product-modal__media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    padding: 1rem;
    background: #FFFFFF;
}
.product-modal__content { padding: 2rem; overflow: auto; }
.product-modal__kicker {
    display: inline-flex;
    margin-bottom: 0.75rem;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    color: var(--accent);
    background: rgba(233,29,42,0.08);
    font-size: 0.75rem;
    font-weight: 700;
}
.product-modal__content h3 { font-family: var(--font-display); color: var(--accent); font-size: 1rem; margin-bottom: 0.35rem; }
.product-modal__content h4 { color: #111417; font-size: 1.45rem; margin-bottom: 1rem; line-height: 1.35; }
.product-modal__block { margin-bottom: 1rem; }
.product-modal__block strong { display: block; color: #111417; margin-bottom: 0.45rem; font-size: 0.92rem; }
.product-modal__block p,
.product-modal__block li { color: var(--gray-500); font-size: 0.92rem; line-height: 1.75; }
.product-modal__block ul { margin: 0; padding-left: 1.1rem; }
.product-modal__columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.product-modal__cta { margin-top: 0.6rem; }
.error-kicker { color: #FFD7D9; border-color: rgba(233,29,42,0.42); background: rgba(233,29,42,0.12); }
.error-link-list a:hover { background: rgba(233,29,42,0.24); }
.error-link-list i,
.product-detail-hero .model,
.breadcrumb span { color: var(--accent-light); }

@media (max-width: 768px) {
    .nav-menu { background: #090B0D; border-left: 1px solid rgba(255,255,255,0.08); }
    .nav-menu .nav-link { color: rgba(255,255,255,0.78); }
    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active { color: var(--white); }
    .nav-logo { min-width: 190px; }
    .logo-img { height: 48px; max-width: 220px; }
    .navbar.scrolled .logo-img { height: 44px; }
    .priority-products { padding: 4rem 0; }
    .priority-card { display: flex; }
    .priority-card__media { height: 210px; min-height: 0; }
    .priority-actions { align-items: stretch; flex-direction: column; }
    .priority-actions .btn,
    .product-link-button { justify-content: center; width: 100%; }
    .priority-points li { grid-template-columns: 1fr; gap: 0.25rem; }
    .inquiry-actions { grid-template-columns: 1fr; }
    .fit-grid { grid-template-columns: 1fr; }
    .product-modal { padding: 0.75rem; align-items: flex-end; }
    .product-modal__panel { grid-template-columns: 1fr; max-height: 92vh; }
    .product-modal__media { height: 220px; min-height: 0; }
    .product-modal__content { padding: 1.4rem; }
    .product-modal__columns { grid-template-columns: 1fr; gap: 0; }
}

/* ============================================
   Local catalog-style trial inspired by the 2024 KINGMA brochure.
   White industrial layout, deep red geometric blocks, dense product catalog rhythm.
   ============================================ */
:root {
    --primary: #1C1718;
    --primary-light: #3A3032;
    --primary-dark: #0E0A0B;
    --accent: #B11F24;
    --accent-light: #D33338;
    --accent-dark: #8C0000;
    --gray-50: #F7F7F5;
    --gray-100: #EFEFED;
    --gray-200: #DEDEDA;
    --gray-300: #BFC0BA;
    --gray-400: #8B8D88;
    --gray-500: #5F625D;
    --gray-600: #3E413D;
    --gray-700: #292C28;
    --gray-800: #171A17;
    --gray-900: #0D0F0D;
    --shadow-sm: 0 1px 0 rgba(28,23,24,0.08);
    --shadow-md: 0 8px 20px rgba(28,23,24,0.08);
    --shadow-lg: 0 16px 38px rgba(28,23,24,0.12);
    --shadow-xl: 0 28px 70px rgba(28,23,24,0.16);
}

body { background: #FFFFFF; color: #1C1718; }
.navbar {
    background: rgba(255,255,255,0.96);
    border-bottom: 1px solid rgba(28,23,24,0.08);
    box-shadow: 0 1px 0 rgba(255,255,255,0.7);
}
.navbar.scrolled {
    background: rgba(255,255,255,0.98);
    border-bottom: 1px solid rgba(28,23,24,0.10);
    box-shadow: 0 10px 30px rgba(28,23,24,0.08);
}
.nav-logo,
.navbar.scrolled .nav-logo {
    position: relative;
    min-width: 176px;
    height: 100%;
    margin-left: calc(var(--container-padding) * -1);
    padding: 0.45rem 1.6rem 0.45rem var(--container-padding);
    background: linear-gradient(135deg, #1C1718 0%, #241718 52%, #8C0000 100%);
}
.nav-logo::after {
    content: "";
    position: absolute;
    top: 0;
    right: -30px;
    width: 30px;
    height: 100%;
    background: #8C0000;
    clip-path: polygon(0 0, 100% 0, 0 100%);
}
.logo-img,
.navbar.scrolled .logo-img {
    position: relative;
    z-index: 1;
    height: 48px;
    max-width: 134px;
    filter: none;
}
.nav-link,
.navbar.scrolled .nav-link { color: #2A2324; font-weight: 700; }
.nav-link:hover,
.nav-link.active,
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active { color: var(--accent); }
.nav-link::after { background: var(--accent); height: 3px; }
.lang-switcher,
.navbar.scrolled .lang-switcher {
    border-color: rgba(28,23,24,0.14);
    background: #FFFFFF;
    box-shadow: none;
}
.lang-switcher button,
.navbar.scrolled .lang-switcher button { color: #4B4142; }
.lang-switcher button:hover,
.lang-switcher button.active,
.navbar.scrolled .lang-switcher button:hover,
.navbar.scrolled .lang-switcher button.active { color: #FFFFFF; background: var(--accent); }
.nav-toggle span,
.navbar.scrolled .nav-toggle span { background: #1C1718; }
.logo-img { filter: drop-shadow(0 0 1px rgba(0,0,0,0.35)); }

.hero {
    min-height: 720px;
    align-items: stretch;
    justify-content: flex-start;
    overflow: hidden;
    background: #FFFFFF;
    padding-top: 0;
}
.hero-bg {
    left: auto;
    width: 52.5%;
    background: linear-gradient(90deg, rgba(255,255,255,0.30) 0%, rgba(255,255,255,0.12) 18%, rgba(255,255,255,0) 38%);
    clip-path: polygon(10% 0, 100% 0, 100% 100%, 24% 100%, 0 78%, 0 0);
}
.hero-bg::before,
.hero-bg::after {
    left: 18%;
    right: 4.5%;
    width: auto;
    height: clamp(8.3rem, 14vw, 11.2rem);
    border: 0;
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    filter: drop-shadow(0 18px 28px rgba(28,23,24,0.18));
    transform: none;
    z-index: 1;
}
.hero-bg::before {
    top: 25.5%;
    bottom: auto;
    background-image: url("../images/product-tb-hero.png");
}
.hero-bg::after {
    top: auto;
    bottom: 19%;
    background-image: url("../images/product-pt-hero.png");
}
.hero-gradient { display: none; }
.hero-particles { display: none; }
.hero-content {
    max-width: 590px;
    margin-left: max(4vw, calc((100vw - var(--container-max)) / 2 + var(--container-padding)));
    margin-right: 0;
    padding-top: calc(var(--nav-height) + 3.8rem);
    padding-bottom: 3.5rem;
    text-align: left;
    align-items: flex-start;
}
.hero-badge {
    margin-bottom: 1.55rem;
    border-radius: 0;
    border: 0;
    border-left: 8px solid #1C1718;
    background: transparent;
    color: var(--accent);
    box-shadow: none;
    padding: 0.1rem 0 0.1rem 1rem;
    font-size: 0.9rem;
    font-weight: 900;
    letter-spacing: 0.02em;
}
.hero-badge i { color: var(--accent); }
.hero-title { margin-bottom: 1.35rem; }
.title-line {
    color: #1C1718;
    font-size: clamp(1.5rem, 2.32vw, 2rem);
    font-weight: 900;
    letter-spacing: 0;
    line-height: 1.18;
}
.title-line--processes {
    display: grid;
    gap: 0.55rem;
    max-width: 610px;
    margin-top: 1.2rem;
    color: #343836;
    font-size: clamp(0.94rem, 1.12vw, 1.04rem);
    font-weight: 800;
    line-height: 1.4;
}
.process-line {
    display: flex;
    align-items: center;
    min-height: 2.7rem;
    padding: 0.55rem 0.85rem 0.55rem 1rem;
    border-left: 4px solid rgba(177,31,36,0.88);
    background: linear-gradient(90deg, rgba(177,31,36,0.08) 0%, rgba(177,31,36,0.03) 62%, rgba(177,31,36,0) 100%);
}
.title-highlight {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    color: var(--accent);
    background: none;
    -webkit-text-fill-color: currentColor;
    font-size: clamp(1.92rem, 3.45vw, 2.82rem);
    font-weight: 950;
    letter-spacing: 0;
    white-space: nowrap;
    line-height: 1.08;
}
.hero-desc {
    max-width: 590px;
    color: #434743;
    font-size: 1rem;
    line-height: 1.92;
    margin: 0 0 1.8rem;
}
.hero-stats {
    justify-content: flex-start;
    gap: 0;
    width: min(100%, 540px);
    margin: 1.65rem 0 1.35rem;
    background: var(--accent);
    color: #FFFFFF;
    box-shadow: 0 18px 42px rgba(177,31,36,0.25);
}
.stat-item {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.85rem 1.35rem;
    text-align: left;
}
.stat-number,
.stat-suffix,
.stat-label { color: #FFFFFF; }
.stat-number { font-size: clamp(1.7rem, 3vw, 2.45rem); }
.stat-label { opacity: 0.78; }
.stat-divider { width: 1px; height: 54px; background: rgba(255,255,255,0.24); }
.hero-actions { justify-content: flex-start; }
.btn {
    border-radius: 0;
    text-transform: none;
    letter-spacing: 0;
}
.btn-primary {
    background: var(--accent);
    box-shadow: 0 12px 28px rgba(177,31,36,0.24);
}
.btn-primary:hover { box-shadow: 0 18px 34px rgba(177,31,36,0.30); }
.btn-outline {
    border-color: rgba(28,23,24,0.22);
    color: #1C1718;
    background: #FFFFFF;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: #FFFFFF; }
.hero-scroll { display: none; }

.section-header {
    max-width: 860px;
    margin-bottom: 3rem;
    text-align: left;
}
.section-tag {
    margin-bottom: 1.1rem;
    padding: 0 0 0 0.9rem;
    border: 0;
    border-left: 7px solid #1C1718;
    border-radius: 0;
    background: transparent;
    color: var(--accent);
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: 0;
}
.section-title {
    color: #1C1718;
    font-size: clamp(1.8rem, 3.2vw, 2.75rem);
    font-weight: 950;
    letter-spacing: 0;
}
.section-desc { color: #4C504B; max-width: 760px; }
.section-header.light .section-title,
.section-header.light .section-desc { color: #FFFFFF; }
.section-header.light .section-tag {
    color: #FFFFFF;
    border-left-color: #FFFFFF;
    background: transparent;
}

.priority-products,
.products,
.about,
.related-products { background: #FFFFFF; }
.priority-products,
.fit-section,
.products,
.about,
.honors,
.contact { padding: 5.25rem 0; }
.priority-grid { gap: 1.4rem; }
.priority-card,
.product-card,
.fit-item,
.highlight-card,
.tech-card,
.timeline-content,
.value-card,
.award-card,
.contact-form-wrap {
    border-radius: 0;
    border: 1px solid rgba(28,23,24,0.10);
    box-shadow: none;
}
.priority-card:hover,
.product-card:hover,
.fit-item:hover,
.highlight-card:hover,
.value-card:hover,
.award-card:hover {
    transform: translateY(-4px);
    border-color: rgba(177,31,36,0.32);
    box-shadow: 0 16px 34px rgba(28,23,24,0.10);
}
.priority-card__media,
.product-image {
    background: #FFFFFF;
}
.priority-card__media img,
.product-card .device-photo {
    width: 100%;
    height: 100%;
    display: block;
    padding: 0.75rem;
    object-fit: contain;
    background: #FFFFFF;
    transform: none;
    transform-origin: center;
    transition: filter 0.35s ease;
}
.priority-card:hover .priority-card__media img,
.product-card:hover .device-photo {
    filter: brightness(1.03);
}
.priority-card__media span,
.product-tag {
    right: auto;
    left: 1rem;
    bottom: 1rem;
    top: auto;
    border-radius: 0;
    background: var(--accent);
}
.priority-card__body { padding: 1.4rem; }
.priority-card__eyebrow,
.product-model,
.timeline-year,
.patent-label,
.honor-stat-number span { color: var(--accent); }
.priority-card__body h3,
.product-name,
.fit-item h3 { color: #1C1718; }
.priority-points li { border-bottom-color: rgba(28,23,24,0.10); }
.priority-points strong,
.product-modal__block strong { color: #1C1718; }
.product-link-button,
.product-link { color: #1C1718; }
.product-link-button:hover,
.product-link:hover { color: var(--accent); }

.fit-section {
    background:
        linear-gradient(180deg, #F7F7F5 0%, #FFFFFF 100%);
    border-top: 1px solid rgba(28,23,24,0.06);
    border-bottom: 1px solid rgba(28,23,24,0.06);
}
.fit-grid { gap: 0; border-top: 5px solid var(--accent); }
.fit-item {
    min-height: 230px;
    border-left: 0;
    border-top: 0;
    border-bottom: 0;
    padding: 1.55rem 1.35rem;
}
.fit-item:last-child { border-right: 0; }
.fit-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: none;
}
.fit-item p { color: #5B5E59; }

.product-filter { justify-content: flex-start; }
.filter-btn {
    border-radius: 0;
    background: #FFFFFF;
    color: #1C1718;
}
.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: none;
}
.product-grid { grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); }
.product-grid .product-card { order: 20; }
.priority-card[data-priority-product="tb"],
.product-card[data-product="tb"] { order: 1; }
.priority-card[data-priority-product="pt"],
.product-card[data-product="pt"] { order: 2; }
.priority-card[data-priority-product="cf"],
.product-card[data-product="cf"] { order: 3; }
.product-card:hover { transform: translateY(-4px); }
.product-card:nth-child(2n) .product-image,
.product-card:nth-child(3n) .product-image { background: #F4F4F2; }
.product-image::after { background: linear-gradient(180deg, transparent 60%, rgba(28,23,24,0.08)); }
.spec {
    border-radius: 0;
    background: #F2F2EF;
    color: #4C504B;
}
.spec i { color: var(--accent); }

.advantages,
.honors-stats,
.product-detail-hero,
.contact,
.error-main {
    background: linear-gradient(135deg, #8C0000 0%, #B11F24 58%, #C52A30 100%);
}
.advantages::before,
.honors-stats::before {
    background:
        linear-gradient(25deg, transparent 0 55%, rgba(255,255,255,0.13) 55.5% 68%, transparent 68.5%),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.045) 0 1px, transparent 1px 110px);
}
.advantage-card,
.contact-item,
.error-panel,
.inquiry-action,
.inquiry-panel {
    border-radius: 0;
    border-color: rgba(255,255,255,0.22);
    background: rgba(255,255,255,0.08);
}
.advantage-card:hover,
.contact-item:hover,
.inquiry-action:hover {
    border-color: rgba(255,255,255,0.46);
    background: rgba(255,255,255,0.13);
}
.advantage-icon,
.tech-card-icon,
.award-icon,
.contact-icon,
.inquiry-checklist i,
.highlight-icon,
.value-card-icon,
.patent-icon,
.app-item:hover .app-icon {
    border-radius: 0;
    background: #1C1718;
    box-shadow: none;
}
.contact-form-wrap { background: #FFFFFF; }
.contact-form .btn-primary { background: var(--accent); box-shadow: 0 14px 28px rgba(177,31,36,0.22); }
.form-group input,
.form-group select,
.form-group textarea {
    border-radius: 0;
    background: #F7F7F5;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(177,31,36,0.10);
}
.response-note {
    border-left-color: #FFFFFF;
    background: rgba(255,255,255,0.12);
}
.inquiry-panel__tag {
    border-radius: 0;
    background: rgba(255,255,255,0.12);
    color: #FFFFFF;
}
.footer { background: #1C1718; }
.footer-links a:hover,
.footer-contact i { color: #FFFFFF; }
.back-to-top { border-radius: 0; background: var(--accent); }
.product-modal__panel,
.product-modal__close,
.product-modal__kicker { border-radius: 0; }

body[data-lang="en"] .hero-content {
    max-width: 570px;
    padding-top: calc(var(--nav-height) + 3.1rem);
    padding-bottom: 3rem;
}
body[data-lang="en"] .hero-badge {
    max-width: 540px;
    margin-bottom: 1rem;
    font-size: 0.82rem;
    line-height: 1.35;
}
body[data-lang="en"] .title-line {
    font-size: clamp(1.35rem, 2.1vw, 1.82rem);
    line-height: 1.14;
}
body[data-lang="en"] .title-line--processes {
    max-width: 630px;
    font-size: clamp(0.84rem, 0.98vw, 0.96rem);
    line-height: 1.34;
}
body[data-lang="en"] .process-line {
    min-height: 2.55rem;
    padding: 0.5rem 0.78rem 0.5rem 0.92rem;
}
body[data-lang="en"] .title-highlight {
    font-size: clamp(1.82rem, 3.05vw, 2.5rem);
    line-height: 1.05;
}
body[data-lang="en"] .hero-desc {
    max-width: 545px;
    margin-bottom: 1.05rem;
    font-size: 0.94rem;
    line-height: 1.62;
}
body[data-lang="en"] .hero-stats {
    width: min(100%, 540px);
    margin: 1.05rem 0 1rem;
}
body[data-lang="en"] .stat-item {
    min-width: 152px;
    padding: 0.72rem 1.25rem;
}
body[data-lang="en"] .stat-number {
    font-size: clamp(1.5rem, 2.35vw, 2.15rem);
}
body[data-lang="en"] .stat-label {
    font-size: 0.76rem;
    line-height: 1.3;
}
body[data-lang="en"] .hero-actions .btn {
    padding: 0.8rem 1.5rem;
}

@media (max-width: 1024px) {
    .hero { min-height: auto; }
    .hero-bg {
        width: 100%;
        height: 360px;
        top: auto;
        bottom: 0;
        opacity: 0.22;
        clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%);
    }
    .hero-bg::before,
    .hero-bg::after {
        left: 5%;
        right: 5%;
        height: 6.8rem;
    }
    .hero-bg::before {
        top: 4.4rem;
        bottom: auto;
    }
    .hero-bg::after {
        top: auto;
        bottom: 2.2rem;
    }
    .hero-content {
        max-width: none;
        margin: 0;
        padding: calc(var(--nav-height) + 4rem) var(--container-padding) 4.5rem;
    }
    .hero-stats { width: 100%; flex-wrap: wrap; }
    .stat-item { min-width: 140px; }
    .priority-grid { grid-template-columns: 1fr; }
    .fit-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-container { padding-right: 1rem; }
    .nav-logo,
    .navbar.scrolled .nav-logo {
        min-width: 138px;
        margin-left: calc(var(--container-padding) * -1);
        padding-right: 1.1rem;
    }
    .nav-logo::after { right: -22px; width: 22px; }
    .logo-img,
    .navbar.scrolled .logo-img {
        height: 42px;
        max-width: 106px;
    }
    .nav-menu { background: #FFFFFF; border-left: 1px solid rgba(28,23,24,0.10); }
    .nav-menu .nav-link,
    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active { color: #1C1718; }
    .hero-content { padding: calc(var(--nav-height) + 2.4rem) var(--container-padding) 3.6rem; }
    .hero-badge { margin-bottom: 1.15rem; font-size: 0.82rem; }
    .title-line { font-size: clamp(1.55rem, 7.2vw, 2rem); }
    .title-line--processes {
        gap: 0.45rem;
        max-width: none;
        margin-top: 1rem;
        font-size: 0.9rem;
        line-height: 1.42;
    }
    .process-line {
        min-height: 0;
        padding: 0.52rem 0.72rem 0.52rem 0.86rem;
        border-left-width: 3px;
    }
    .title-highlight { font-size: clamp(1.82rem, 8vw, 2.48rem); }
    .hero-desc { font-size: 0.98rem; line-height: 1.85; }
    body[data-lang="en"] .hero-content { padding: calc(var(--nav-height) + 2rem) var(--container-padding) 3.2rem; }
    body[data-lang="en"] .title-line { font-size: clamp(1.35rem, 6.8vw, 1.9rem); }
    body[data-lang="en"] .title-highlight { font-size: clamp(1.72rem, 7.5vw, 2.22rem); }
    body[data-lang="en"] .title-line--processes { font-size: 0.84rem; line-height: 1.34; }
    body[data-lang="en"] .process-line { padding: 0.48rem 0.68rem 0.48rem 0.82rem; }
    body[data-lang="en"] .hero-desc { font-size: 0.92rem; line-height: 1.6; }
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        width: 100%;
    }
    .stat-item {
        min-width: 0;
        padding: 0.75rem 0.7rem;
    }
    .stat-number { font-size: clamp(1.45rem, 7vw, 1.95rem); }
    .stat-suffix { font-size: clamp(0.9rem, 4.5vw, 1.25rem); }
    .stat-label { font-size: 0.72rem; line-height: 1.35; }
    body[data-lang="en"] .stat-item {
        min-width: 0;
        padding: 0.7rem 0.55rem;
    }
    body[data-lang="en"] .stat-label { font-size: 0.66rem; }
    .stat-divider { display: none; }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .fit-grid { grid-template-columns: 1fr; }
}