/*
Theme Name: Shengye
Theme URI: https://www.signsyeah.com
Author: Shengye Dev
Description: Custom theme for Zhejiang Shengye Traffic Sign Co., Ltd.
Version: 1.0
Text Domain: shengye
*/

/* ===== Reset & Base ===== */
*{margin:0;padding:0;box-sizing:border-box}
html,body{background:#fff;overflow-x:hidden}
body{font-family:'Montserrat',sans-serif;color:#222}
.page-wrapper{max-width:1600px;margin:0 auto;background:#fff;box-shadow:0 0 60px rgba(0,0,0,0.1)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== Header / Nav (with scroll shrink) ===== */
.header{position:fixed;top:0;left:0;width:100%;z-index:100;background:rgba(255,255,255,0.97);box-shadow:0 1px 8px rgba(0,0,0,0.08);height:80px;display:flex;align-items:center;transition:height 0.3s ease,box-shadow 0.3s ease;border-bottom:4px solid #ed1c24}
.header.shrink{height:56px;box-shadow:0 2px 12px rgba(0,0,0,0.12)}
.header .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700;color:#1a1a1a}
.logo img{height:52px;width:52px;border-radius:50%;object-fit:cover;transition:height 0.3s,width 0.3s}
.logo .brand-text{display:flex;align-items:baseline;gap:8px}
.logo .brand-en{font-size:42px;font-weight:900;letter-spacing:-1px;color:#ed1c24;transition:font-size 0.3s;transform:scaleX(0.85);transform-origin:left}
.logo .brand-cn{font-size:11px;font-weight:400;color:#888;transition:font-size 0.3s}
.header.shrink .logo img{height:38px;width:38px}
.header.shrink .logo .brand-en{font-size:28px}
.header.shrink .logo .brand-cn{font-size:10px}
nav{display:flex;gap:0;height:100%;position:absolute;left:50%;transform:translateX(-50%)}
nav .nav-item{position:relative;padding:0 18px;font-size:15px;font-weight:600;color:#333;cursor:pointer;transition:color .2s;display:flex;align-items:center;height:100%}
nav .nav-item:hover{color:#ed1c24}
nav .nav-item .dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;min-width:200px;box-shadow:0 8px 24px rgba(0,0,0,0.1);border-radius:0 0 8px 8px;padding:8px 0}
nav .nav-item:hover .dropdown{display:block}
nav .dropdown a{display:block;padding:10px 20px;font-size:14px;color:#333;transition:all .2s}
nav .dropdown a:hover{background:#fef0f0;color:#1a1a1a;padding-left:24px}
.dropdown-group-label{padding:10px 20px 4px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#ed1c24;border-bottom:2px solid #ed1c24;margin:0 16px 4px;padding-left:4px}
.dropdown-group-label+a,.dropdown-group-label+a+a{padding-left:32px!important;font-size:13px;position:relative}
.dropdown-group-label+a::before,.dropdown-group-label+a+a::before{content:'';position:absolute;left:20px;top:50%;width:5px;height:5px;border-radius:50%;background:#ed1c24;transform:translateY(-50%)}
.dropdown-divider{height:1px;margin:8px 16px;background:#eee}
.nav-item.active{color:#ed1c24}
.nav-quote-btn{display:flex;align-items:center;padding:0 22px!important;margin-left:0;background:#ed1c24;color:#fff!important;font-size:14px!important;font-weight:700;border-radius:3px;height:42px!important;transition:background 0.2s;white-space:nowrap;flex-shrink:0}
.nav-quote-btn:hover{background:#c8161c;color:#fff!important}
.header.shrink .nav-quote-btn{height:36px!important}
.header.shrink .nav-item.active::after{bottom:14px}

.nav-item.active::after{content:'';position:absolute;bottom:24px;left:18px;right:18px;height:3px;background:#ed1c24;transition:bottom 0.3s ease}

/* ===== Mobile Menu ===== */
.mobile-toggle{display:none;background:none;border:none;font-size:28px;cursor:pointer;padding:8px;color:#1a1a1a}
.mobile-nav{display:none;position:fixed;top:80px;left:0;width:100%;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,0.1);padding:16px 0;z-index:99}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:14px 24px;font-size:16px;color:#333;border-bottom:1px solid #f0f0f0}
.mobile-nav a:hover{background:#fef0f0;color:#1a1a1a}
.mobile-nav .sub-label{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:#999;padding:12px 24px 4px;font-weight:600}

/* ===== Hero ===== */
.hero{position:relative;height:75vh;min-height:450px;display:flex;align-items:center;margin-top:80px;overflow:hidden;width:100vw;left:50%;transform:translateX(-50%)}
.hero-slider{position:absolute;inset:0;z-index:1}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;background-size:cover;background-position:center}
.hero-slide.active{opacity:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,0,0,0.55) 0%,rgba(0,0,0,0.2) 100%);z-index:2}
.hero-content{position:relative;z-index:3;color:#fff;max-width:680px}
.hero-content h1{font-size:48px;font-weight:800;line-height:1.15;margin-bottom:20px}
.hero-content h1 span{color:#fff}
.hero-content p{font-size:18px;line-height:1.6;margin-bottom:32px;opacity:0.9}
.btn-primary{display:inline-block;background:#ed1c24;color:#fff;padding:14px 36px;font-size:16px;font-weight:600;border-radius:4px;transition:all .2s}
.btn-primary:hover{background:#c8161c;transform:translateY(-2px)}
.hero-indicators{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.hero-indicators span{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:all .3s}
.hero-indicators span.active{background:#ed1c24;transform:scale(1.2)}

/* ===== Page Banner ===== */
.page-banner{position:relative;height:300px;margin-top:80px;display:flex;align-items:center;justify-content:center;background-color:#2d1215;background-size:cover;background-position:center;text-align:center}
.page-banner::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,0.55)}
.page-banner .banner-content,.page-banner .page-banner-content{position:relative;z-index:2;color:#fff}
.page-banner h1{font-size:42px;font-weight:700;margin-bottom:12px}
.page-banner .breadcrumb{font-size:14px;opacity:0.8}
.page-banner .breadcrumb a{color:#ed1c24}

/* ===== Section Common ===== */
.section{padding:80px 0}
.section.alt-bg{background:#f8f2f2}
.section-label{display:inline-block;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:#b81c22;margin-bottom:12px}
.section-title{font-size:36px;font-weight:800;line-height:1.3;margin-bottom:16px}
.section-desc{font-size:16px;line-height:1.8;color:#444;max-width:640px}
.btn-outline{display:inline-block;border:2px solid #ed1c24;color:#ed1c24;padding:12px 28px;font-size:15px;font-weight:600;border-radius:4px;transition:all .2s;margin-top:20px}
.btn-outline:hover{background:#ed1c24;color:#fff}
.btn-sm{display:inline-block;background:#ed1c24;color:#fff;padding:10px 24px;font-size:14px;font-weight:600;border-radius:4px;transition:all .2s;margin-top:16px}
.btn-sm:hover{background:#c8161c;transform:translateY(-1px)}

/* ===== About Section ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-top:40px}
.about-img{border-radius:8px;overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,0.1)}
.about-img img{width:100%;height:360px;object-fit:cover}
.about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:28px}
.stat{text-align:center;padding:16px 8px}
.stat-num{font-size:32px;font-weight:700;color:#ed1c24}
.stat-label{font-size:13px;color:#666;margin-top:4px}

/* ===== Video Section ===== */
.video-section{position:relative;background:#111;overflow:hidden;display:none}
.video-poster{position:relative;width:100%;max-height:520px;overflow:hidden;cursor:pointer}
.video-poster img{width:100%;height:520px;object-fit:cover;filter:brightness(0.5)}
.video-poster .poster-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;z-index:2}
.video-poster .poster-overlay h2{font-size:36px;font-weight:700;margin-bottom:12px}
.video-poster .poster-overlay p{font-size:16px;opacity:0.8;margin-bottom:24px}
.play-btn{display:inline-flex;align-items:center;gap:10px;background:#ed1c24;color:#fff;padding:14px 32px;border-radius:50px;font-weight:600;font-size:16px;transition:all .2s;cursor:pointer;border:none}
.play-btn:hover{background:#c8161c;transform:scale(1.05)}
.video-player{display:none;width:100%;background:#000}
.video-player video{width:100%;max-height:80vh;display:block;margin:0 auto}
.video-player.active{display:block}
.video-player .close-video{position:absolute;top:16px;right:24px;background:rgba(0,0,0,0.6);color:#fff;border:none;width:40px;height:40px;border-radius:50%;font-size:20px;cursor:pointer;z-index:10}

/* ===== Case Studies (UTSCH-style) ===== */
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:0;min-height:420px}
.case-row.reverse .case-text{order:2}
.case-row.reverse .case-img{order:1}
.case-text{display:flex;flex-direction:column;justify-content:center;padding:60px 64px}
.case-text h3{font-size:28px;font-weight:800;line-height:1.3;margin-bottom:16px}
.case-text p{font-size:15px;line-height:1.8;color:#444;margin-bottom:8px}
.case-text .highlight{font-size:42px;font-weight:800;color:#ed1c24;margin-bottom:8px}
.case-img{display:flex;align-items:center;justify-content:center;padding:40px}
.case-img>img{width:85%;max-height:340px;object-fit:cover;object-position:center 20%;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,0.12);transition:transform .4s,box-shadow .4s}
.case-row:hover .case-img>img{transform:scale(1.03);box-shadow:0 12px 40px rgba(0,0,0,0.18)}
.case-video-wrap{position:relative;width:85%;cursor:pointer;border-radius:12px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,0.12);transition:transform .4s,box-shadow .4s}
.case-video-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center 30%;display:block}
.case-video-wrap video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000;display:none}
.case-video-wrap.playing video{display:block}
.case-video-wrap.playing .case-play-btn{display:none}
.case-row:hover .case-video-wrap{transform:scale(1.03);box-shadow:0 12px 40px rgba(0,0,0,0.18)}
.case-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(0,0,0,0.5);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0;transition:transform .3s,background .3s;border:2px solid rgba(255,255,255,0.8)}
.case-play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.case-video-wrap:hover .case-play-btn{transform:translate(-50%,-50%) scale(1.1);background:rgba(237,28,36,0.85);border-color:#fff}

/* ===== Exhibition Gallery (accordion expand) ===== */
.expo-gallery{display:flex;height:420px;margin-top:48px;position:relative;overflow:hidden;border-radius:12px}
.expo-gallery::before,.expo-gallery::after{content:'';position:absolute;top:0;bottom:0;width:60px;z-index:3;pointer-events:none}
.expo-gallery::before{left:0;background:linear-gradient(to right,rgba(248,242,242,0.6),transparent)}
.expo-gallery::after{right:0;background:linear-gradient(to left,rgba(248,242,242,0.6),transparent)}
.expo-card{flex:1;min-width:0;overflow:hidden;position:relative;cursor:pointer;transition:flex .6s cubic-bezier(0.25,0.8,0.25,1)}
.expo-gallery:hover .expo-card{flex:0.5}
.expo-gallery .expo-card:hover{flex:3}
.expo-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(0.25,0.8,0.25,1),filter .4s}
.expo-gallery:hover .expo-card:not(:hover) img{filter:brightness(0.7)}
.expo-card:hover img{transform:scale(1.05)}
.expo-card::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,0.5) 0%,transparent 50%);opacity:0;transition:opacity .4s;pointer-events:none}
.expo-card:hover::after{opacity:1}
.expo-card .expo-label{position:absolute;bottom:24px;left:24px;color:#fff;font-size:15px;font-weight:700;letter-spacing:1px;opacity:0;transform:translateY(12px);transition:all .4s .1s;z-index:2;text-transform:uppercase}
.expo-card:hover .expo-label{opacity:1;transform:translateY(0)}
.expo-card+.expo-card{border-left:2px solid rgba(255,255,255,0.15)}

/* ===== Process Images ===== */
.process-images{margin-top:32px;display:flex;flex-direction:column;align-items:center;gap:24px}
.process-images img{max-width:900px;width:100%;height:auto;border-radius:8px}

/* ===== Grids ===== */
.facility-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.facility-grid figure{margin:0}
.facility-grid img{width:100%;height:200px;object-fit:cover;border-radius:6px}
.facility-grid figcaption{text-align:center;font-size:13px;color:#666;margin-top:8px}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.cert-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.06);transition:transform .3s}
.cert-card:hover{transform:translateY(-4px)}
.cert-card img{width:100%;height:auto}
.cert-card .cert-title{padding:16px;text-align:center;font-size:14px;font-weight:600}
.news-section{padding:60px 0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.news-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.06);transition:transform .3s}
.news-card:hover{transform:translateY(-4px)}
.news-card img{width:100%;height:220px;object-fit:cover}
.news-card-body{padding:24px}
.news-card-body h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.4}
.news-card-body p{font-size:14px;color:#444;line-height:1.7;margin-bottom:16px}
.news-card-content{padding:24px}
.news-card-content h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.4}
.news-card-content p{font-size:14px;color:#444;line-height:1.7}
.news-date{display:inline-block;font-size:13px;color:#b81c22;font-weight:600;margin-bottom:8px}

.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:0;min-height:260px;max-width:1200px;margin:0 auto}
.feature-row.reverse .feature-text{order:2}
.feature-row.reverse .feature-img{order:1}
.feature-text{display:flex;flex-direction:column;justify-content:center;padding:48px 56px}
.feature-text h3{font-size:24px;font-weight:700;margin-bottom:12px}
.feature-text p{font-size:15px;line-height:1.8;color:#444}
.feature-num{font-size:64px;font-weight:700;color:rgba(237,28,36,0.15);margin-bottom:8px;line-height:1}
.feature-img{display:flex;align-items:center;justify-content:center;padding:40px}
.feature-img img{width:85%;aspect-ratio:3/2;object-fit:cover;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,0.12)}

/* ===== Article ===== */
.article{max-width:800px;margin:0 auto;padding:60px 24px}
.article h1{font-size:36px;font-weight:700;line-height:1.3;margin-bottom:24px}
.article p{font-size:16px;line-height:1.9;color:#444;margin-bottom:20px}
.article-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:32px 0}
.article-gallery img{width:100%;height:200px;object-fit:cover;border-radius:6px}
.article video{width:100%;border-radius:8px;margin:32px 0}
.back-link{display:inline-block;margin-top:24px;color:#b81c22;font-weight:600;font-size:15px}
.back-link:hover{color:#ed1c24}

/* ===== Benefits Grid (Introduction page) ===== */
.benefits-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:16px}
.benefit-card{background:#fff;border-radius:8px;padding:36px 32px;box-shadow:0 4px 20px rgba(0,0,0,0.06);transition:transform .3s;border-left:4px solid #ed1c24}
.benefit-card:hover{transform:translateY(-4px)}
.benefit-card .benefit-number{font-size:36px;font-weight:800;color:rgba(237,28,36,0.15);margin-bottom:8px;line-height:1}
.benefit-card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.benefit-card p{font-size:15px;line-height:1.8;color:#444}

/* ===== Process Steps (Process of Production page) ===== */
.process-steps{display:flex;flex-direction:column;gap:24px;max-width:800px;margin:0 auto}
.step-card{display:flex;gap:24px;align-items:flex-start;background:#fff;border-radius:8px;padding:32px;box-shadow:0 4px 20px rgba(0,0,0,0.06);transition:transform .3s}
.step-card:hover{transform:translateY(-4px)}
.step-card .step-number{font-size:36px;font-weight:800;color:#ed1c24;line-height:1;flex-shrink:0}
.step-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:15px;line-height:1.8;color:#444}

/* ===== PDF Pages ===== */
.pdf-pages{max-width:900px;margin:0 auto}
.pdf-pages img{width:100%;height:auto;display:block;box-shadow:0 4px 20px rgba(0,0,0,0.08);border-radius:4px;margin-bottom:24px}

/* ===== Contact ===== */
.contact-section{padding:80px 0}
.contact-grid{max-width:560px;margin:0 auto}
.contact-cards{display:flex;flex-direction:column;gap:24px}
.contact-card{display:flex;align-items:center;gap:24px;background:#fff;border-radius:8px;padding:28px 32px;box-shadow:0 4px 20px rgba(0,0,0,0.08);transition:transform .2s}
.contact-card:hover{transform:translateY(-3px)}
.contact-icon{width:56px;height:56px;border-radius:50%;background:#fef0f0;display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}
.contact-card-info h3{font-size:18px;font-weight:600;margin-bottom:6px}
.contact-card-info p{font-size:15px;color:#444}
.company-note{text-align:center;padding:60px 0 0;margin-top:60px;border-top:1px solid #eee}
.company-note h3{font-size:22px;font-weight:700;margin-bottom:10px}
.company-note p{font-size:15px;color:#b81c22;font-weight:500}

/* ===== Footer ===== */
.footer{background:#1a1a1a;color:#fff;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer h4{font-size:16px;font-weight:600;margin-bottom:20px;color:#ed1c24}
.footer p,.footer a{font-size:14px;color:#aaa;line-height:2}
.footer a:hover{color:#ed1c24}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo img{height:44px;width:44px;border-radius:50%;object-fit:cover}
.footer-logo-text{font-size:20px;font-weight:700}
.footer-bottom{border-top:1px solid #333;padding-top:24px;display:flex;justify-content:space-between;font-size:13px;color:#666}



/* ===== WhatsApp Float Button ===== */
.wa-float{position:fixed;bottom:28px;right:28px;background:#25d366;border-radius:28px;display:flex;align-items:center;gap:10px;padding:14px 24px 14px 18px;box-shadow:0 4px 14px rgba(0,0,0,0.2);z-index:999;transition:transform 0.3s,box-shadow 0.3s;color:#fff!important}
.wa-float:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.3)}
.wa-float svg{width:28px;height:28px;flex-shrink:0}
.wa-text{display:flex;flex-direction:column;line-height:1.3;font-family:'Montserrat',sans-serif}
.wa-text strong{font-size:14px;font-weight:700}
.wa-text{font-size:12px;color:#fff!important}

/* ===== Temporarily hide page banners (non-homepage) ===== */
body:not(.home) .page-banner{display:none}
body:not(.home) .page-banner+*{margin-top:80px}

/* ===== Contact Info Cards ===== */
.contact-cards-section{padding:48px 0 0}
.contact-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:960px;margin:0 auto;padding:0 24px}
.contact-info-card{border:1px solid #e0e0e0;border-radius:8px;padding:36px 24px;text-align:center;transition:box-shadow 0.3s}
.contact-info-card:hover{box-shadow:0 4px 16px rgba(0,0,0,0.08)}
.contact-info-icon{margin-bottom:16px}
.contact-info-icon svg{width:44px;height:44px}
.contact-info-card h3{font-size:15px;font-weight:700;color:#1a1a2e;margin-bottom:10px}
.contact-info-card p{font-size:13px;color:#666;line-height:1.6}

/* ===== Inquiry Form ===== */
.inquiry-section{padding:60px 0;border-top:none}
.inquiry-grid{display:grid;grid-template-columns:42fr 58fr;max-width:960px;margin:0 auto;border-radius:8px;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,0.1)}
.inquiry-left{background:#c8161c;color:#fff;padding:40px 36px;display:flex;align-items:center}
.inquiry-left-inner{max-width:360px}
.inquiry-left h2{font-size:28px;font-weight:800;margin-bottom:16px}
.inquiry-left p{font-size:14px;line-height:1.8;opacity:0.92}
.inquiry-divider{display:flex;align-items:center;gap:12px;margin:24px 0 28px}
.inquiry-divider::before{content:'';flex:1;height:1px;background:rgba(255,255,255,0.35)}
.inquiry-arrow{font-size:22px;color:#ff6b35}
.inquiry-left-inner>img{width:100%;border-radius:4px}
.inquiry-right{background:#fff;padding:40px 40px}
.inquiry-right h2{font-size:20px;font-weight:800;text-transform:uppercase;color:#1a1a2e;margin-bottom:6px;letter-spacing:0.5px}
.inquiry-privacy{font-size:13px;color:#666;margin-bottom:24px}
.inquiry-right .form-group{margin-bottom:18px}
.inquiry-right label{display:block;font-size:13px;font-weight:600;color:#333;margin-bottom:6px}
.inquiry-right label .required{color:#ed1c24}
.inquiry-right input,.inquiry-right textarea{width:100%;border:none;border-bottom:1px solid #ccc;padding:8px 0;font-size:14px;font-family:'Montserrat',sans-serif;color:#222;outline:none;background:transparent;transition:border-color 0.3s}
.inquiry-right input:focus,.inquiry-right textarea:focus{border-bottom-color:#ed1c24}
.inquiry-right textarea{resize:vertical;min-height:70px}
.btn-inquiry-submit{width:100%;background:#1a1a2e;color:#fff;padding:14px;font-size:15px;font-weight:600;border:none;cursor:pointer;margin-top:6px;font-family:'Montserrat',sans-serif;letter-spacing:0.5px;transition:background 0.3s}
.btn-inquiry-submit:hover{background:#2d2d44}
.btn-inquiry-submit:disabled{opacity:0.6;cursor:not-allowed}
.inquiry-result{margin-top:14px;padding:12px 18px;border-radius:4px;font-size:13px;font-weight:500}
.inquiry-result.success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.inquiry-result.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.hp-field{position:absolute;left:-9999px}

/* ===== Responsive ===== */

/* -- Tablet / high-zoom -- */
@media(max-width:1024px){
  .container{padding:0 20px}
  .about-grid{gap:36px}
  .case-img{padding:24px}
  .case-img img{width:90%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-item{padding:0 12px!important;font-size:14px!important}
  .logo .brand-en{font-size:32px!important}
  .facility-grid{grid-template-columns:repeat(3,1fr)}
  .cert-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .contact-cards-grid{max-width:90%}
  .inquiry-grid{max-width:90%}
  .inquiry-left{padding:36px 28px}
  .inquiry-right{padding:36px 28px}
}

/* -- Mobile -- */
@media(max-width:768px){
  .mobile-toggle{display:block}
  nav{display:none}
  .about-grid,.case-row,.feature-row{grid-template-columns:1fr}
  .benefits-grid{grid-template-columns:1fr}
  .step-card{flex-direction:column;gap:12px}
  .case-row.reverse .case-text,.feature-row.reverse .feature-text{order:1}
  .case-row.reverse .case-img,.feature-row.reverse .feature-img{order:2}
  .contact-cards-grid{grid-template-columns:1fr;padding:0 24px}
  .inquiry-grid{grid-template-columns:1fr;max-width:100%;border-radius:0;box-shadow:none}
  .inquiry-left{padding:32px 24px}
  .inquiry-right{padding:32px 24px}
  .case-img{padding:20px}
  .case-img img{width:92%}
  .expo-card .expo-label{font-size:12px;bottom:12px;left:12px}
  .article-gallery{grid-template-columns:repeat(2,1fr)}
  .facility-grid,.cert-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .logo .brand-en{font-size:28px!important}
}

/* -- Small mobile -- */
@media(max-width:480px){
  .facility-grid,.cert-grid,.news-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr}
  .logo .brand-en{font-size:22px!important}
}