/* =========================================================
   Theme variables — change colors and fonts here
   ========================================================= */
:root {
  --primary: #1565E8;
  --primary-dark: #0F4FC0;
  --accent: #7B2FF7;
  --accent-light: #38C8F0;
  --brand-gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --focus-ring: rgba(21,101,232,.18);
  --danger: #C62223;
  --dark: #1f1f1f;
  --text: #383838;
  --muted: #6b6b6b;
  --soft: #F2F6FD;
  --border: #E2E8F0;
  --white: #fff;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 10px 30px rgba(0,0,0,.07);
  --shadow-hover: 0 18px 40px rgba(0,0,0,.12);
  --font-body: "Poppins", system-ui, sans-serif;
  --font-head: "DM Sans", system-ui, sans-serif;
  --container: 1200px;
  --topbar-height: 40px;
  --header-height: 84px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--white); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--dark); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }
.center { text-align: center; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--primary); color: #fff; padding: 8px 16px; z-index: 1000; }
.skip-link:focus { left: 8px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius); font-weight: 500; font-size: .95rem; border: 2px solid transparent; cursor: pointer; transition: all .25s; font-family: inherit; white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-outline-light { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--dark); }
.btn-light { background: #fff; color: var(--primary); }
.btn-light:hover { background: var(--dark); color: #fff; }
.btn-block { width: 100%; }
.link-arrow { color: var(--primary); font-weight: 500; font-size: .9rem; }
.link-arrow span { display: inline-block; transition: transform .2s; }
.link-arrow:hover span { transform: translateX(4px); }

/* ---------- Topbar & Header ---------- */
.topbar { background: var(--dark); color: #cfcfcf; font-size: .82rem; }
.topbar-inner { display: flex; justify-content: flex-end; align-items: center; min-height: var(--topbar-height); gap: 16px; }
.topbar-links { display: flex; gap: 24px; }
.topbar a:hover { color: #fff; }
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; transition: box-shadow .3s; }
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-height); gap: 24px; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 60px; width: auto; display: block; }
.main-nav { display: flex; align-items: center; gap: 32px; margin-left: auto; }
.main-nav ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.main-nav ul a { font-weight: 500; font-size: .95rem; color: var(--dark); position: relative; padding: 6px 0; }
.main-nav ul a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--primary); transition: width .25s; }
.main-nav ul a:hover, .main-nav ul a.active { color: var(--primary); }
.main-nav ul a:hover::after, .main-nav ul a.active::after { width: 100%; }
.nav-cta { padding: 11px 22px; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; order: 4; }
/* Language flags sit after the menu on desktop and next to the menu button on mobile. */
.lang-switch { display: flex; align-items: center; gap: 4px; order: 3; margin: 0; }
.lang-btn { display: inline-flex; padding: 3px; border: 2px solid transparent; border-radius: 6px; background: none; cursor: pointer; opacity: .55; transition: opacity .2s, border-color .2s; }
.lang-btn:hover, .lang-btn:focus-visible { opacity: 1; }
.lang-btn.active { opacity: 1; border-color: var(--primary); }
.lang-btn img { display: block; width: 28px; height: 20px; object-fit: cover; border-radius: 3px; box-shadow: 0 0 0 1px rgba(0,0,0,.1); }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--dark); margin: 6px 0; transition: .3s; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate; color: #fff; background: var(--dark);
  min-height: clamp(560px, calc(100svh - var(--topbar-height) - var(--header-height)), 820px);
  display: flex; align-items: center; padding: 80px 0;
}
/* Background slideshow: crossfade plus a slow Ken Burns zoom (site.js toggles the classes). */
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide { position: absolute; inset: 0; background: center/cover no-repeat; opacity: 0; transform: scale(1);
  /* A leaving slide stays opaque under the incoming one and resets only once covered, so the banner never dims or jumps. */
  transition: opacity 0s linear 1s, transform 0s linear 1s; }
.hero-slide.is-active { z-index: 1; opacity: 1; transition: opacity 1s ease, transform 0s linear 1s; }
.hero-slide.is-zooming { transform: scale(1.1); transition: opacity 1s ease, transform 7s linear; }
.hero-slide-office { background-image: url('/img/hero-office.jpg'); }
.hero-slide-showroom { background-image: url('/img/hero-showroom.jpg'); }
.hero-slide-factory { background-image: url('/img/hero-factory.jpg'); }
/* The photos are bright, so a dark-to-transparent overlay keeps the white copy readable (catalog cover style). */
.hero-slides::after { content: ""; position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(90deg, rgba(10,11,14,.95) 0%, rgba(10,11,14,.85) 42%, rgba(10,11,14,.5) 72%, rgba(15,40,110,.55) 100%); }
/* Brand-colored sweep echoing the logo. */
.hero::before { content: ""; position: absolute; z-index: 1; right: -15%; top: -40%; width: 70%; height: 140%; border-radius: 50%; border: 60px solid rgba(21,101,232,.22); border-left-color: transparent; border-bottom-color: transparent; transform: rotate(-12deg); pointer-events: none; }
.hero::after { content: ""; position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; height: 4px; background: var(--brand-gradient); }
.hero-inner { position: relative; z-index: 2; }
.hero-content { max-width: 720px; }
.hero-eyebrow { font-size: .8rem; letter-spacing: .4em; text-transform: uppercase; color: #d0d0d0; margin-bottom: 18px; }
.hero h1 { color: #fff; font-family: var(--font-body); font-weight: 800; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.12; margin-bottom: 22px; }
.hero h1 span { color: var(--primary); }
.hero-lead { font-size: 1.05rem; color: #dcdcdc; max-width: 640px; margin-bottom: 34px; }
.hero-points { list-style: none; padding: 0; margin: 0 0 40px; display: grid; grid-template-columns: repeat(4, 1fr); }
.hero-points li { display: flex; flex-direction: column; padding: 0 18px; border-left: 1px solid rgba(21,101,232,.6); }
.hero-points li:first-child { padding-left: 0; border-left: 0; }
.hero-points svg { color: var(--primary); margin-bottom: 10px; }
.hero-points strong { font-size: .92rem; font-weight: 600; line-height: 1.3; }
.hero-points span { font-size: .78rem; color: #b8b8b8; line-height: 1.4; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn-primary { border-radius: 999px; box-shadow: 0 10px 30px rgba(21,101,232,.35); }
.hero-actions .btn-outline-light { border-radius: 999px; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- General section ---------- */
.section { padding: 67px 0; }
.bg-soft { background: var(--soft); }
.eyebrow { display: inline-block; color: var(--primary); font-weight: 600; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 12px; }
.eyebrow.light { color: var(--accent-light); }
.section-head { margin-bottom: 50px; }
.section-head.center { max-width: 760px; margin-left: auto; margin-right: auto; text-align: center; }
.section-head.split { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.section-head.split h2 { margin-bottom: 0; max-width: 640px; }
.lead { font-size: 1.08rem; color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.two-col.top { align-items: start; }
.check-list { list-style: none; padding: 0; margin: 0 0 28px; }
.check-list li { position: relative; padding-left: 32px; margin-bottom: 10px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 5px; width: 20px; height: 20px; border-radius: 50%; background: var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat; }

/* ---------- Feature cards ---------- */
.feature-strip { padding-bottom: 60px; }
.feature-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 26px; text-align: center; transition: all .3s; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.icon-circle { width: 72px; height: 72px; border-radius: 50%; background: var(--soft); color: var(--primary); display: grid; place-items: center; margin: 0 auto 20px; transition: .3s; }
.feature-card:hover .icon-circle { background: var(--primary); color: #fff; }
.feature-card p { color: var(--muted); margin: 0; }

/* ---------- Intro / About image ---------- */
.intro-img { position: relative; }
.intro-img img { border-radius: var(--radius-lg); width: 100%; }
.badge-exp { position: absolute; right: -20px; bottom: -20px; background: var(--brand-gradient); color: #fff; border-radius: var(--radius-lg); padding: 22px 26px; display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow); }
.badge-exp strong { font-family: var(--font-head); font-size: 2.4rem; line-height: 1; }
.badge-exp span { font-size: .85rem; line-height: 1.3; }

/* ---------- Product cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.product-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: all .3s; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.product-img { display: block; overflow: hidden; aspect-ratio: 4/3; background: var(--soft); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-card:hover .product-img img { transform: scale(1.06); }
.product-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.product-body h3 { margin-bottom: 8px; }
.product-body h3 a:hover { color: var(--primary); }
.product-body p { color: var(--muted); font-size: .93rem; flex: 1; }
.product-cat { display: inline-block; font-size: .75rem; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.filter-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.chip { padding: 9px 20px; border-radius: 999px; border: 1px solid var(--border); font-size: .9rem; font-weight: 500; }
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- Why us ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.why-item { padding: 34px 28px; border-radius: var(--radius-lg); background: var(--soft); transition: .3s; }
.why-item:hover { background: var(--primary); color: #fff; }
.why-item:hover h3, .why-item:hover .icon-square { color: #fff; }
.why-item:hover .icon-square { background: rgba(255,255,255,.18); }
.icon-square { width: 56px; height: 56px; border-radius: 12px; background: #fff; color: var(--primary); font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; display: grid; place-items: center; margin-bottom: 20px; transition: .3s; }
.why-item p { margin: 0; font-size: .93rem; }

/* ---------- Stats ---------- */
.stats { background: var(--dark); color: #fff; padding: 70px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-num, .stat-suf { font-family: var(--font-head); font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 700; color: #fff; line-height: 1; }
.stat-suf { color: var(--accent-light); }
.stat p { margin: 10px 0 0; color: #bdbdbd; }

/* ---------- References ---------- */
.references { scroll-margin-top: var(--header-height); }
.ref-marquee { --ref-gap: 24px; overflow: hidden; padding: 10px 0 14px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.ref-track { display: flex; width: max-content; animation: ref-scroll 50s linear infinite; }
.ref-marquee:hover .ref-track { animation-play-state: paused; }
.ref-list { display: flex; gap: var(--ref-gap); padding: 0 var(--ref-gap) 0 0; margin: 0; list-style: none; }
.ref-logo { flex: 0 0 auto; width: 240px; height: 110px; padding: 18px 24px; display: grid; place-items: center; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform .3s, box-shadow .3s; }
.ref-logo:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.ref-logo img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.ref-logo.is-filled { padding: 0; border: 0; }
.ref-logo.is-filled img { width: 100%; height: 100%; max-width: none; max-height: none; object-fit: cover; }
@keyframes ref-scroll { to { transform: translateX(-50%); } }

/* ---------- CTA ---------- */
.cta { padding: 80px 0; }
.cta-inner { background: url('/img/cta.svg') center/cover, var(--brand-gradient); background-blend-mode: soft-light; border-radius: 24px; padding: 60px; display: flex; justify-content: space-between; align-items: center; gap: 30px; color: #fff; }
.cta h2 { color: #fff; margin-bottom: 8px; }
.cta p { margin: 0; color: rgba(255,255,255,.85); }

/* ---------- Page header ---------- */
.page-header { background: var(--dark) url('/img/page-header.svg') center/cover; color: #fff; padding: 100px 0 80px; text-align: center; position: relative; }
.page-header::after { content: ""; position: absolute; inset: 0; background: rgba(15,15,15,.6); }
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { color: #fff; }
.page-header.compact { padding: 28px 0; text-align: left; }
.page-header-about { background: var(--dark) url('/img/about-banner.jpg') center 35%/cover; padding: 170px 0 150px; }
.page-header-about::after { background: linear-gradient(180deg, rgba(15,15,15,.25), rgba(15,15,15,.55)); }
.page-header-about h1 { text-shadow: 0 2px 16px rgba(0,0,0,.45); }
.breadcrumb { font-size: .9rem; color: #d0d0d0; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 6px; opacity: .6; }

/* ---------- About ---------- */
.mv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.mv-card { background: #fff; padding: 40px 32px; border-radius: var(--radius-lg); border-top: 4px solid var(--primary); box-shadow: var(--shadow); }
.mv-card p { margin: 0; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; counter-reset: s; }
.step { text-align: center; padding: 10px; }
.step span { width: 64px; height: 64px; border-radius: 50%; border: 2px dashed var(--primary); color: var(--primary); display: grid; place-items: center; margin: 0 auto 18px; font-family: var(--font-head); font-weight: 700; font-size: 1.4rem; }
.step p { color: var(--muted); font-size: .93rem; }
.process-figure { margin: 60px 0 0; }
.process-figure:first-child { margin-top: 0; }
.process-figure picture { display: block; }
.process-figure img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 40px; }
.honor-card { background: #fff; padding: 30px 26px; border-radius: var(--radius-lg); box-shadow: var(--shadow); border-bottom: 3px solid var(--primary); }
.honor-card svg { color: var(--primary); margin-bottom: 14px; }
.honor-card p { margin: 0; color: var(--muted); font-size: .93rem; }
.honor-card strong { color: var(--primary); }
.certificates { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.facility-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.facility { position: relative; margin: 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.facility img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform .5s; }
.facility:hover img { transform: scale(1.05); }
.facility figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 16px; background: linear-gradient(90deg, var(--primary) 0%, rgba(123,47,247,.92) 100%); color: #fff; font-weight: 500; font-size: .9rem; }

/* ---------- How it works ---------- */
.how { background: radial-gradient(ellipse at 85% 0%, rgba(21,101,232,.28) 0%, transparent 55%), var(--dark); color: #cfcfcf; }
.how h2 { color: #fff; }
.how-head { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; margin-bottom: 60px; }
.how-flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.how-flow li { background: rgba(255,255,255,.04); border: 1px solid rgba(21,101,232,.45); border-radius: var(--radius); padding: 20px; font-size: .88rem; line-height: 1.5; }
.how-flow span { display: block; font-family: var(--font-head); font-weight: 700; color: var(--primary); font-size: 1.3rem; margin-bottom: 6px; }
.how-flow strong { display: block; color: #fff; font-size: .98rem; margin-bottom: 4px; }
.how-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.1); padding-top: 40px; }
.how-item { padding: 0 20px; border-left: 1px solid rgba(21,101,232,.5); }
.how-item:first-child { border-left: 0; padding-left: 0; }
.how-item h3 { color: #fff; font-size: 1rem; }
.how-item p { margin: 0; font-size: .88rem; }
.ai-subtitle { color: var(--accent-light); font-weight: 500; font-size: 1.05rem; margin: 0; }
.ai-intro p { font-size: .97rem; }
.ai-intro p:last-child { margin-bottom: 0; }
.ai-intro strong, .ai-closing strong { color: #fff; }
.ai-title { color: #fff; font-size: 1.35rem; display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.ai-title::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(21,101,232,.6), transparent); }
.ai-steps { list-style: none; padding: 0; margin: 0 0 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ai-steps li { position: relative; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-lg); padding: 30px 26px 24px; font-size: .9rem; line-height: 1.6; transition: border-color .3s, background .3s, transform .3s; }
.ai-steps li::before { content: ""; position: absolute; left: 26px; right: 26px; top: 0; height: 3px; border-radius: 0 0 3px 3px; background: var(--brand-gradient); }
.ai-steps li:hover { background: rgba(255,255,255,.07); border-color: rgba(21,101,232,.5); transform: translateY(-4px); }
.ai-steps span { display: block; font-family: var(--font-head); font-weight: 700; font-size: 2rem; line-height: 1; color: var(--primary); margin-bottom: 14px; }
.ai-steps h4 { color: #fff; font-size: 1.05rem; margin-bottom: 10px; }
.ai-steps p:last-child { margin-bottom: 0; }
.ai-benefits { list-style: none; padding: 0; margin: 0 0 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 36px; }
.ai-benefits li { display: flex; gap: 16px; align-items: flex-start; }
.ai-benefits svg { flex: none; box-sizing: content-box; padding: 12px; border-radius: 12px; background: rgba(21,101,232,.15); color: var(--accent-light); }
.ai-benefits strong { display: block; color: #fff; margin-bottom: 4px; }
.ai-benefits p { margin: 0; font-size: .9rem; }
.ai-closing { text-align: center; max-width: 820px; margin: 0 auto; padding: 40px 36px; border-radius: var(--radius-lg); border: 1px solid rgba(21,101,232,.45); background: linear-gradient(135deg, rgba(21,101,232,.18), rgba(123,47,247,.08)); }
.ai-closing h3 { color: #fff; font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
.ai-closing p { margin: 0; font-size: 1.02rem; }

/* ---------- Production line ---------- */
.line-flow { list-style: none; padding: 0; margin: 0 auto 50px; display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.line-flow li { display: flex; align-items: center; gap: 14px; font-family: var(--font-head); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.line-flow li::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--primary); }
.line-flow li:not(:last-child)::after { content: "→"; color: var(--primary); margin-left: 4px; }

/* ---------- Product detail ---------- */
.product-detail { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.pd-gallery img { border-radius: var(--radius-lg); width: 100%; box-shadow: var(--shadow); }
.pd-info h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.pd-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; }
.spec-table th, .spec-table td { padding: 14px 18px; border-bottom: 1px solid var(--border); text-align: left; }
.spec-table th { width: 40%; font-weight: 500; color: var(--dark); background: var(--soft); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; align-items: start; }
.contact-info ul { list-style: none; padding: 0; margin: 28px 0 0; }
.contact-info li { padding: 16px 0; border-bottom: 1px solid var(--border); display: flex; flex-direction: column; }
.contact-info li strong { font-family: var(--font-head); color: var(--dark); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }
.contact-info a:hover { color: var(--primary); }
.office-card { margin-top: 24px; padding: 28px 26px; background: var(--soft); border-radius: var(--radius-lg); border-left: 4px solid var(--primary); }
.office-card h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.contact-info .office-list { margin: 0; }
.contact-info .office-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-info .office-list li { flex-direction: row; align-items: flex-start; gap: 14px; padding: 12px 0; }
.office-list svg { flex: none; color: var(--primary); margin-top: 2px; }
.contact-info .office-list strong { font-family: var(--font-body); font-size: inherit; text-transform: none; letter-spacing: 0; font-weight: 600; }
.office-list a { color: var(--primary); }
.office-list a:hover { text-decoration: underline; }
.office-social { margin-top: 28px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.office-social strong { font-family: var(--font-head); color: var(--dark); }
.office-social .social { margin-top: 0; }
.office-social .social a { background: var(--primary); }
.office-social .social a:hover { background: var(--primary-dark); }
.form-card { background: var(--soft); padding: 40px; border-radius: var(--radius-lg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; }
.field label { font-weight: 500; font-size: .9rem; margin-bottom: 6px; color: var(--dark); }
.field input, .field select, .field textarea { font: inherit; padding: 13px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; transition: border-color .2s, box-shadow .2s; width: 100%; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--focus-ring); }
.field .input-validation-error { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: .82rem; margin-top: 4px; }
.alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 20px; font-size: .95rem; }
.alert-success { background: #e7f6ec; color: #17693a; }
.alert-error { background: #fdecec; color: #9b1c1c; }
.alert-error.validation-summary-valid { display: none; }
.alert-error ul { margin: 0; padding-left: 18px; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.map iframe { width: 100%; height: 420px; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer { background: #151515; color: #b5b5b5; padding-top: 80px; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 60px; }
.footer-about .logo { margin-bottom: 20px; }
.footer-about img { height: 48px; width: auto; display: block; }
.site-footer h3 { color: #fff; font-size: 1.1rem; margin-bottom: 20px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a:hover { color: #fff; }
.social { display: flex; gap: 10px; margin-top: 20px; }
.social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.08); display: grid; place-items: center; color: #fff; transition: .25s; }
.social a:hover { background: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; font-size: .85rem; }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Scroll animation ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } .hero-slide { transform: none; transition: none; }
  .ref-marquee { -webkit-mask-image: none; mask-image: none; }
  .ref-track { animation: none; width: auto; justify-content: center; }
  .ref-list { flex-wrap: wrap; justify-content: center; padding: 0 16px; }
  .ref-list[aria-hidden] { display: none; } }

.error-page { padding: 140px 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .why-grid, .steps, .feature-cards, .honor-grid, .facility-grid, .ai-steps, .ai-benefits { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .how-grid { grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
  .how-item:nth-child(4) { border-left: 0; padding-left: 0; }
}
@media (max-width: 960px) {
  .hero { min-height: 0; padding: 70px 0; }
  .hero-slide-office { background-image: url('/img/hero-office-960.jpg'); }
  .hero-slide-showroom { background-image: url('/img/hero-showroom-960.jpg'); }
  .hero-slide-factory { background-image: url('/img/hero-factory-960.jpg'); }
  .hero-slides::after { background: linear-gradient(180deg, rgba(10,11,14,.88) 0%, rgba(10,11,14,.8) 100%); }
  .how-head { grid-template-columns: 1fr; gap: 36px; }
  .nav-toggle { display: block; }
  .lang-switch { margin-left: auto; }
  .main-nav { position: fixed; top: 0; right: 0; height: 100vh; width: min(320px, 85vw); background: #fff; flex-direction: column; align-items: stretch; padding: 100px 28px 28px; gap: 24px; box-shadow: -10px 0 30px rgba(0,0,0,.12); transform: translateX(100%); transition: transform .35s ease; z-index: 90; }
  .nav-open .main-nav { transform: none; }
  .nav-toggle { position: relative; z-index: 95; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul a { display: block; padding: 14px 0; border-bottom: 1px solid var(--border); }
  .main-nav ul a::after { display: none; }
  .two-col, .product-detail, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .product-grid, .mv-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { flex-direction: column; text-align: center; padding: 44px 28px; }
  .badge-exp { right: 12px; bottom: -16px; }
}
@media (max-width: 640px) {
  .page-header-about { background-image: url('/img/about-banner-960.jpg'); padding: 110px 0 90px; }
  .section { padding: 47px 0; }
  .ref-marquee { --ref-gap: 16px; }
  .ref-logo { width: 180px; height: 84px; padding: 14px 18px; }
  .topbar-inner { justify-content: center; }
  .topbar-links { gap: 14px; font-size: .78rem; }
  .feature-cards, .product-grid, .mv-grid, .why-grid, .steps, .footer-grid, .form-row, .honor-grid, .facility-grid, .how-flow, .ai-steps, .ai-benefits { grid-template-columns: 1fr; }
  .ai-steps, .ai-benefits { margin-bottom: 44px; }
  .ai-closing { padding: 30px 22px; }
  .form-card { padding: 26px 20px; }
  :root { --header-height: 70px; }
  .header-inner { gap: 12px; }
  .logo img { height: 44px; }
  .hero-points { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
  .hero-points li:nth-child(3) { padding-left: 0; border-left: 0; }
  .how-grid { grid-template-columns: 1fr; }
  .how-item { padding: 0 0 0 16px; border-left: 2px solid var(--primary); }
  .how-item:first-child, .how-item:nth-child(4) { padding-left: 16px; border-left: 2px solid var(--primary); }
}

.multiline {
    white-space: pre-line;
}