*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;color:#222;line-height:1.6;background:#fff}
a{text-decoration:none}
.header{position:sticky;top:0;z-index:1000;min-height:84px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:10px 6%;box-shadow:0 2px 15px rgba(0,0,0,.08)}
.brand{display:flex;align-items:center;gap:12px;color:#222}
.brand img{width:60px;height:60px;object-fit:contain;border-radius:50%}
.brand-text{display:flex;flex-direction:column}
.brand-text strong{font-size:11px;letter-spacing:1px}
.brand-text span{font-size:20px;font-weight:800;letter-spacing:.5px}
.menu{display:flex;gap:25px}
.menu a{color:#222;font-weight:600}
.menu a:hover{color:#a96f22}
.menu-button,.quote a{background:#a96f22;color:#fff;padding:12px 20px;border-radius:5px;font-weight:700}
.hero{position:relative;width:100%;background:#f5f0e8;overflow:hidden}
.hero>img{display:block;width:100%;height:auto;max-height:720px;object-fit:cover}
.hero-brand{position:absolute;left:7%;bottom:8%;display:flex;align-items:center;gap:15px;padding:12px 18px;background:rgba(255,255,255,.94);border-radius:8px;box-shadow:0 6px 25px rgba(0,0,0,.15)}
.hero-brand img{width:68px;height:68px;object-fit:contain;border-radius:50%}
.hero-brand p{max-width:520px;font-weight:800;color:#6e4a25;font-size:18px}
.slogan-strip{display:flex;justify-content:center;align-items:center;gap:18px;padding:22px 6%;background:#fbf7ef;text-align:center}
.slogan-strip img{width:58px;height:58px;object-fit:contain;border-radius:50%}
.slogan-strip div{display:flex;flex-direction:column}
.slogan-strip strong{color:#6e4a25;font-size:20px}
.slogan-strip span{font-size:13px;letter-spacing:2px;text-transform:uppercase}
.section{padding:80px 10%}
.light{background:#f7f7f7}
.section-title span{color:#a96f22;font-size:14px;font-weight:700;letter-spacing:2px}
.section-title h2{margin-top:8px;font-size:36px;line-height:1.2}
.section-title p{margin-top:12px;color:#777}
.center{text-align:center}
.about{display:grid;grid-template-columns:380px 1fr;gap:55px;align-items:center;margin-top:45px}
.about-logo{text-align:center}
.about-logo img{width:100%;height:330px;object-fit:contain}
.about-logo p{color:#6e4a25;font-weight:700;margin-top:8px}
.about h3{font-size:28px;margin-bottom:15px}
.about p{margin-bottom:15px;color:#666}
.about ul{padding-left:20px}
.cards,.steps,.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:45px}
.card,.steps>div,.contact-grid>div{background:#fff;padding:30px;border-radius:8px;box-shadow:0 5px 20px rgba(0,0,0,.07)}
.steps{grid-template-columns:repeat(4,1fr)}
.steps b{font-size:38px;color:#a96f22}
.product-link{margin-top:35px}
.product-link a{color:#a96f22;font-weight:800}
.quote{padding:70px 10%;background:#231a0f;color:#fff;text-align:center}
.quote>img{width:90px;height:90px;object-fit:contain;border-radius:50%;background:#fff;margin-bottom:15px}
.quote h2{font-size:30px;color:#f0d7a6}
.quote p{margin:10px 0 25px;color:#ddd}
.contact-grid{grid-template-columns:repeat(3,1fr)}
.contact-grid>div{text-align:center}
.contact-grid b{color:#a96f22}
footer{padding:35px 8% 20px;background:#171717;color:#fff}
.footer-brand{display:flex;align-items:center;justify-content:center;gap:15px;text-align:left}
.footer-brand img{width:65px;height:65px;object-fit:contain;border-radius:50%;background:#fff}
.footer-brand strong{display:block}
.footer-brand p{color:#d5b98c;margin-top:4px;font-size:14px}
.copyright{margin-top:25px;padding-top:18px;border-top:1px solid #333;text-align:center;color:#888}
@media(max-width:900px){
.header{flex-wrap:wrap;gap:12px}
.menu{order:3;width:100%;justify-content:center;flex-wrap:wrap;gap:15px}
.menu-button{display:none}
.about,.cards,.contact-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr 1fr}
.hero-brand{left:4%;right:4%;bottom:5%}
.hero-brand p{font-size:15px}
}
@media(max-width:600px){
.section{padding:55px 6%}
.brand-text span{font-size:16px}
.hero>img{min-height:320px;object-fit:cover}
.hero-brand{position:static;border-radius:0;justify-content:center;padding:14px 8px}
.hero-brand img{width:52px;height:52px}
.hero-brand p{font-size:13px}
.slogan-strip{padding:18px 5%}
.slogan-strip strong{font-size:15px}
.steps{grid-template-columns:1fr}
.section-title h2{font-size:28px}
}


/* ===== NHẬN DIỆN THƯƠNG HIỆU NGÂN VINH ===== */
:root{
    --nv-gold:#b8863b;
    --nv-gold-light:#d7b36a;
    --nv-brown:#6e4a25;
    --nv-dark:#241a12;
    --nv-cream:#fbf7ef;
    --nv-line:#eadfce;
}

body{color:var(--nv-dark)}
.header{border-bottom:1px solid var(--nv-line)}
.brand-text span,.section-title h2{color:var(--nv-brown)}
.menu a:hover{color:var(--nv-gold)}
.menu-button,.quote a{background:linear-gradient(135deg,var(--nv-brown),var(--nv-gold))}
.menu-button:hover,.quote a:hover{filter:brightness(1.08)}
.slogan-strip{border-top:1px solid var(--nv-line);border-bottom:1px solid var(--nv-line)}
.slogan-strip strong,.hero-brand p{color:var(--nv-brown)}
.section-title span{color:var(--nv-gold)}
.card,.steps>div,.contact-grid>div{
    border:1px solid var(--nv-line);
    transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover,.steps>div:hover,.contact-grid>div:hover{
    transform:translateY(-4px);
    box-shadow:0 12px 30px rgba(110,74,37,.12);
}
.product-link a{color:var(--nv-brown)}
.quote{background:linear-gradient(135deg,#241a12,#4b321d)}
.quote h2{color:var(--nv-gold-light)}
.footer-brand p{color:var(--nv-gold-light)}
footer{border-top:3px solid var(--nv-gold)}
.about-logo p{color:var(--nv-brown)}


/* ===== V10 - DÀN TRANG & CHUYỂN ĐỘNG ===== */
:root{
 --nv-max:1180px;
 --nv-shadow:0 18px 50px rgba(72,48,25,.10);
}
body{
 background:linear-gradient(180deg,#fff 0%,#fff 72%,#fbf7ef 100%);
 overflow-x:hidden;
}
.header{
 padding:12px max(4%,calc((100% - var(--nv-max))/2));
 backdrop-filter:blur(12px);
 background:rgba(255,255,255,.94);
}
.brand img{box-shadow:0 6px 18px rgba(110,74,37,.14)}
.menu a{position:relative;padding:9px 2px}
.menu a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--nv-gold);transition:.25s}
.menu a:hover:after{right:0}
.hero{min-height:520px}
.hero>img{min-height:520px;object-fit:cover;filter:saturate(1.03)}
.hero:after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:linear-gradient(90deg,rgba(20,12,6,.32),transparent 55%,rgba(255,255,255,.08));
}
.hero-brand{z-index:2;animation:nvFloat 5s ease-in-out infinite}
.section{max-width:var(--nv-max);margin:auto}
.cards,.steps,.contact-grid{max-width:var(--nv-max);margin-left:auto;margin-right:auto}
.card,.steps>div,.contact-card,.gallery-card,.product-item{transition:transform .35s ease,box-shadow .35s ease}
.card:hover,.steps>div:hover,.contact-card:hover,.gallery-card:hover,.product-item:hover{transform:translateY(-7px);box-shadow:var(--nv-shadow)}
.section-title h2{letter-spacing:-.5px}
.product-showcase,.contact-section{position:relative}
.product-showcase:before,.contact-section:before{
 content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(rgba(184,134,59,.11) 1px,transparent 1px);background-size:22px 22px;opacity:.25
}
.product-showcase-inner,.contact-inner{position:relative;z-index:1}
.product-gallery,.gallery-grid{align-items:stretch}
.product-item img,.gallery-card img{transition:transform .65s cubic-bezier(.2,.7,.2,1)}
.product-item:hover img,.gallery-card:hover img{transform:scale(1.045)}
.social-float a{transition:transform .25s ease,box-shadow .25s ease}
.social-float a:hover{transform:translateY(-5px) scale(1.05);box-shadow:0 12px 28px rgba(0,0,0,.24)}
.nv-motion-on .product-item,.nv-motion-on .gallery-card{animation:nvRise .7s both}
.nv-motion-on .product-item:nth-child(2),.nv-motion-on .gallery-card:nth-child(2){animation-delay:.05s}
.nv-motion-on .product-item:nth-child(3),.nv-motion-on .gallery-card:nth-child(3){animation-delay:.10s}
.nv-motion-on .product-item:nth-child(4),.nv-motion-on .gallery-card:nth-child(4){animation-delay:.15s}
.nv-motion-on .product-item:nth-child(5),.nv-motion-on .gallery-card:nth-child(5){animation-delay:.20s}
.nv-motion-on .product-item:nth-child(6),.nv-motion-on .gallery-card:nth-child(6){animation-delay:.25s}
.nv-no-motion *{animation:none!important;transition:none!important}
@keyframes nvFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes nvRise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media(max-width:700px){
 .hero,.hero>img{min-height:380px}
 .section{padding-left:6%;padding-right:6%}
 .hero:after{background:linear-gradient(180deg,rgba(20,12,6,.15),rgba(20,12,6,.32))}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important}}

/* ===== V12 TRÌNH ĐIỀU CHỈNH ===== */
:root{--nv-font:Arial,Helvetica,sans-serif;--nv-heading-font:Arial,Helvetica,sans-serif;--nv-base-size:16px;--nv-heading-scale:1;--nv-motion-speed:1}
body{font-family:var(--nv-font);font-size:var(--nv-base-size)}
h1,h2,h3,h4,h5,h6,.brand-text,.menu,.section-title{font-family:var(--nv-heading-font)}
.section-title h2{font-size:calc(36px * var(--nv-heading-scale))}
@media(max-width:600px){.section-title h2{font-size:calc(28px * var(--nv-heading-scale))}}
@keyframes nvFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
body:not(.nv-motion-off) .hero img,body:not(.nv-motion-off) .product-item img{animation:nvFloat calc(6s / var(--nv-motion-speed)) ease-in-out infinite}
body.nv-motion-off *,body.nv-motion-off *::before,body.nv-motion-off *::after{animation:none!important;transition:none!important}
/* V13 - per-element visual editor */
html{font-size:var(--nv-base-size,16px)}
body{font-family:var(--nv-font,Arial,Helvetica,sans-serif)}
h1,h2,h3,h4,h5,h6{font-family:var(--nv-heading-font,Arial,Helvetica,sans-serif)}

.page-hero{padding-top:70px;padding-bottom:55px}.page-hero h1{margin-top:12px}.contact-card input,.contact-card textarea{width:100%;margin-bottom:10px;padding:12px;border:1px solid #ddd1c2;border-radius:8px}.contact-card textarea{min-height:120px;resize:vertical}.contact-card button{border:0;cursor:pointer}