:root{
  --navy:#163A5C; --navy-2:#1F4E79; --navy-dark:#122C47;
  --orange:#E8743B; --orange-dark:#CF5E28; --blue:#2E86C1;
  --bg:#ffffff; --soft:#F4F7FA; --soft-2:#EAF1F8;
  --text:#1f2937; --muted:#606b7b; --line:#e5e9ef; --radius:14px;
  --shadow-sm:0 2px 8px rgba(22,58,92,.08);
  --shadow-md:0 12px 30px rgba(22,58,92,.13);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

/* Top bar */
.topbar{background:var(--navy-dark);color:#dbe7f3;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a{color:#fff}
.topbar .tb-right{display:flex;gap:20px}

/* Header */
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(22,58,92,.04)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.logo{font-weight:800;font-size:21px;color:var(--navy);letter-spacing:.6px}
.logo span{color:var(--orange)}
.nav-links{display:flex;gap:26px;font-size:15px;font-weight:500;align-items:center}
.nav-links a{padding:6px 0;border-bottom:2px solid transparent;color:#33415c}
.nav-links a:hover,.nav-links a.active{color:var(--navy);border-bottom-color:var(--orange)}
.nav-cta{margin-left:10px}
.burger{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--navy)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,#2A6391 100%);color:#fff;padding:92px 0 76px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 20%,rgba(255,255,255,.08),transparent 45%),radial-gradient(circle at 10% 90%,rgba(232,116,59,.16),transparent 40%)}
.hero .container{position:relative}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#f3c9b0;margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.18;margin-bottom:20px;max-width:720px}
.hero p{font-size:18px;max-width:620px;opacity:.94;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-chips{display:flex;gap:12px;flex-wrap:wrap}
.hero-chips span{border:1px solid rgba(255,255,255,.28);border-radius:20px;padding:6px 14px;font-size:13px;opacity:.92}
.hero-media{border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.18)}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* Buttons */
.btn{display:inline-block;background:var(--navy);color:#fff;padding:13px 28px;border-radius:10px;font-weight:700;font-size:15px;transition:background .2s,transform .2s;border:1px solid transparent;cursor:pointer}
.btn:hover{background:var(--navy-2);transform:translateY(-1px)}
.btn.orange{background:var(--orange)}
.btn.orange:hover{background:var(--orange-dark)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.65)}
.btn.solid-navy{background:var(--navy)}
.btn.sm{padding:9px 18px;font-size:14px;border-radius:9px}

/* Sections */
section{padding:72px 0}
.section-title{font-size:30px;color:var(--navy);margin-bottom:10px;line-height:1.25}
.section-sub{color:var(--muted);margin-bottom:36px;max-width:660px}
.section-head{margin-bottom:40px}
.section-head.center{text-align:center}
.section-head.center .section-sub{margin-left:auto;margin-right:auto}
.eyebrow.dark{color:var(--orange)}

/* Grids */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;align-items:center}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:box-shadow .25s,transform .25s}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.card h3{color:var(--navy);margin:16px 0 8px;font-size:18px}
.card p{color:var(--muted);font-size:14px}
.card .icon{width:50px;height:50px;border-radius:12px;background:var(--soft-2);display:flex;align-items:center;justify-content:center;font-size:24px}

/* Products */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:box-shadow .25s,transform .25s;display:flex;flex-direction:column}
.prod:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.prod .thumb{background:var(--soft);aspect-ratio:4/3;display:flex;justify-content:center;align-items:center;overflow:hidden;padding:14px}
.prod .thumb img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px}
.prod .body{padding:22px;display:flex;flex-direction:column;flex:1}
.prod h3{color:var(--navy);font-size:17px;margin-bottom:8px}
.prod p{color:var(--muted);font-size:14px}
.prod .tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 16px}
.tags span{background:var(--soft-2);color:var(--navy-2);font-size:12px;font-weight:600;padding:5px 11px;border-radius:14px}
.prod .body .btn{margin-top:auto;align-self:flex-start}

/* Product detail block */
.prod-detail{border-top:1px dashed var(--line);margin-top:16px;padding-top:16px}
.prod-detail summary{cursor:pointer;font-weight:700;color:var(--navy-2);font-size:13px;margin-bottom:6px;list-style:none}
.prod-detail summary::before{content:"▸ ";color:var(--orange)}
.prod-detail[open] summary::before{content:"▾ "}
.prod-detail h4{color:var(--navy);font-size:14px;margin:10px 0 6px}
.prod-detail ul{margin:0}
.prod-detail li{padding:4px 0 4px 18px;position:relative;color:var(--muted);font-size:13px}
.prod-detail li::before{content:"•";position:absolute;left:2px;color:var(--orange)}
.custom-note{background:var(--soft);border-left:3px solid var(--orange);padding:14px 18px;border-radius:10px;margin-top:30px;font-size:14px;color:var(--text)}

/* Stats */
.stats{background:var(--soft)}
.stats .grid-4{text-align:center}
.stat b{font-size:32px;color:var(--navy);display:block}
.stat span{color:var(--muted);font-size:14px}

/* Process timeline */
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.step .num{width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px}
.step h3{color:var(--navy);font-size:15px;margin-bottom:6px}
.step p{color:var(--muted);font-size:13px}

/* Comparison (digital vs gravure) */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.compare-card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff}
.compare-card.featured{border-color:var(--orange);background:linear-gradient(180deg,#FFF6F0,#fff)}
.compare-card h3{color:var(--navy);font-size:20px;margin-bottom:6px}
.compare-card .badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--orange-dark);margin-bottom:12px}
.press-img{background:#F4F6F9;border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px;overflow:hidden}
.press-img img{width:100%;height:auto;display:block;object-fit:contain}
.compare-card ul{margin-top:14px}
.compare-card li{padding:8px 0 8px 26px;position:relative;color:var(--muted);font-size:14px}
.compare-card li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:800}

/* Manufacturing rows */
.mfg-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line)}
.mfg-row:last-of-type{border-bottom:0}
.mfg-row.reverse .mfg-media{order:2}
.mfg-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.mfg-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.mfg-text h3{color:var(--navy);font-size:22px;margin-bottom:10px}
.mfg-text p{color:var(--muted);font-size:15px;margin-bottom:12px}
.mfg-text ul{margin-top:10px}
.mfg-text li{padding:6px 0 6px 26px;position:relative;color:var(--text);font-size:14px}
.mfg-text li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:800}
.mfg-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--orange-dark);margin-bottom:10px}

/* Check list */
.check-list li{padding:10px 0 10px 30px;position:relative;color:var(--text);font-size:15px;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0}
.check-list li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:800}

/* Material chips */
.material-cloud{display:flex;flex-wrap:wrap;gap:12px}
.material-cloud span{border:1px solid var(--line);border-radius:10px;padding:10px 18px;font-size:14px;font-weight:600;color:var(--navy-2);background:#fff}

/* CTA banner */
.cta{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;border-radius:var(--radius);padding:48px 40px;text-align:center}
.cta h2{font-size:28px;margin-bottom:12px}
.cta p{opacity:.92;max-width:560px;margin:0 auto 24px}
.cta .hero-actions{justify-content:center;margin-bottom:0}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:14px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:20px 24px;font-weight:700;color:var(--navy);font-size:16px;list-style:none;position:relative;padding-right:44px}
.faq-item summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--orange);font-weight:800}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 24px 20px;color:var(--muted);font-size:14px}

/* Quality */
.quality-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cert-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.cert-card{border:1px dashed var(--line);border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted);background:var(--soft)}
.cert-card .cert-label{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--orange-dark);margin-bottom:8px}

/* Form */
.form-wrap{max-width:760px}
.form-row{margin-bottom:18px}
label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
input,textarea,select{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:#fff}
textarea{min-height:130px;resize:vertical}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* Contact info */
.contact-info{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:36px}
.info-card{background:var(--soft);border-radius:var(--radius);padding:24px}
.info-card h4{color:var(--navy);margin-bottom:6px}

/* Footer */
footer{background:var(--navy-dark);color:#cbd5e1;padding:48px 0 0;margin-top:48px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:32px}
.footer-grid .logo{color:#fff}
.footer-grid h4{color:#fff;margin-bottom:14px;font-size:15px}
.footer-grid p,.footer-grid a{font-size:14px;line-height:2}
.footer-grid a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.15);padding:18px 0;font-size:13px;opacity:.75}

/* Page hero small */
.page-hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:56px 0}
.page-hero h1{font-size:34px;margin-bottom:10px}
.page-hero p{opacity:.92;max-width:620px}

/* Notice / contact links */
.notice{background:#EBF1F8;border-left:3px solid var(--orange);padding:14px 18px;border-radius:10px;margin-bottom:20px;font-size:14px;line-height:1.7}
.notice a,.info-card a{color:var(--navy);font-weight:700}

/* Value cards */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* Floating WhatsApp */
.wa-float{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(37,211,102,.45);z-index:60;transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* Responsive */
@media(max-width:960px){
  .grid,.prod-grid,.value-grid,.quality-grid,.cert-gallery{grid-template-columns:repeat(2,1fr)}
  .stats .grid-4,.process,.grid-4{grid-template-columns:repeat(2,1fr)}
  .compare,.grid-2,.mfg-row{grid-template-columns:1fr}
  .mfg-row.reverse .mfg-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .topbar .tb-left{display:none}
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;border-bottom:1px solid var(--line);align-items:flex-start}
  .nav-links.open{display:flex}
  .burger{display:block}
  .grid,.prod-grid,.value-grid,.contact-info,.form-grid,.stats .grid-4,.process,.compare,.quality-grid,.cert-gallery{grid-template-columns:1fr}
  .hero h1{font-size:29px}
  .section-title{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
}