/* === nahaco.css - dòng 1 === */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* =========================
   BASE
========================= */
:root{
  --navy:#0D2214;
  --steel:#1A3D22;
  --sky:#2E7D32;
  --green:#7CB342;
  --lime:#A5D65A;
  --cream:#F2F7F2;
  --white:#fff;
  --gray:#4A6048;
  --border:rgba(13,34,20,.1);
  --border-l:rgba(255,255,255,.1);
  --tr:.32s cubic-bezier(.4,0,.2,1);
  --radius:6px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'DM Sans',sans-serif;
  background:var(--cream);
  color:var(--navy);
  overflow-x:hidden;
}

/* LANG */
[data-lang]{display:none}
body.lang-en [data-lang="en"],
body.lang-vi [data-lang="vi"]{display:inline}
body.lang-en [data-lang-block="en"],
body.lang-vi [data-lang-block="vi"]{display:block}
[data-lang-block]{display:none}

/* TEXT HELPERS */
body.lang-en [data-lang="vi"], 
body.lang-vi [data-lang="en"]{display:none !important}
.section-desc,
.prod-short{
  word-wrap:break-word;
  overflow-wrap:break-word;
  line-height:1.6;
}
.text-wrapper{
  max-width:800px;
  margin:0 auto;
}

/* HEADINGS */
h1{
  font-size:24px;
  color:var(--heading-color);
  font-family:var(--heading-font);
}
.section-label{
  font-family:'Space Mono',monospace;
  font-size:.62rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--green);
  margin-bottom:12px;
  display:flex;
  align-items:center;
  gap:10px;
}
.section-label::before{
  content:'';
  display:block;
  width:22px;
  height:1px;
  background:var(--green);
}
.section-title{
  font-family:'Roboto',serif;
  font-size:clamp(1.8rem,3vw,2.6rem);
  line-height:1.15;
  color:var(--navy);
  margin-bottom:14px;
}
.section-title.light{color:#fff}
.section-desc{
  font-size:.93rem;
  line-height:1.75;
  color:var(--gray);
  max-width:600px;
}
.section-desc.light{color:rgba(255,255,255,.58)}

/* BUTTONS */
.btn-primary,
.btn-white,
.btn-outline,
.btn-cta{
  text-decoration:none;
  transition:all var(--tr);
  border-radius:3px;
  white-space:nowrap;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 26px;
  background:var(--green);
  color:#fff;
  font-weight:700;
  font-size:.8rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:none;
  cursor:pointer;
}
.btn-primary:hover{
  background:#8bc34a;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(124,179,66,.35);
}
.btn-outline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 26px;
  background:transparent;
  color:var(--navy);
  font-weight:500;
  font-size:.8rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:1px solid rgba(13,34,20,.25);
}
.btn-outline:hover{border-color:var(--sky);color:var(--sky)}
.btn-outline.light{color:#fff;border-color:rgba(255,255,255,.3)}
.btn-outline.light:hover{border-color:#fff;background:rgba(255,255,255,.05)}
.btn-white{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 32px;
  background:#fff;
  color:var(--navy);
  font-weight:700;
  font-size:.82rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:none;
  cursor:pointer;
}
.btn-white:hover{
  background:var(--cream);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,.15);
}

/* =========================
   NAVIGATION
========================= */
nav{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:200;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 48px;
  height:72px;
  background:rgba(13,34,20,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-l);
  transition:var(--tr);
}
nav.scrolled{
  background:rgba(13,34,20,.99);
  box-shadow:0 2px 20px rgba(0,0,0,.3);
}
.nav-logo{
  font-family:'DM Serif Display',serif;
  font-size:1.5rem;
  color:#fff;
  text-decoration:none;
  flex-shrink:0;
}
.nav-logo span{color:var(--green)}
.nav-links{
  display:flex;
  gap:4px;
  list-style:none;
  align-items:center;
}
.nav-links > li{position:relative}
.nav-links a{
  display:block;
  padding:6px 12px;
  font-size:.78rem;
  font-weight:500;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:rgba(255,255,255,.7);
  text-decoration:none;
  transition:color var(--tr);
  border-radius:3px;
  white-space:nowrap;
}
.nav-links a:hover,
.nav-links a.active{
  color:#fff;
  background:rgba(255,255,255,.07);
}
.caret{font-size:.6rem;opacity:.6;margin-left:2px}

/* DROPDOWN */
.dropdown{
  display:none;
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  background:rgba(13,34,20,.98);
  border:1px solid var(--border-l);
  border-radius:var(--radius);
  min-width:220px;
  padding:8px 0;
  box-shadow:0 12px 40px rgba(0,0,0,.4);
  z-index:300;
}
.has-drop:hover .dropdown{display:block}
.dropdown li{list-style:none}
.dropdown a{
  font-size:.78rem;
  padding:9px 18px;
  color:rgba(255,255,255,.65);
  text-transform:none;
  letter-spacing:.02em;
  border-radius:0;
}
.dropdown a:hover{color:#fff;background:rgba(124,179,66,.15)}

/* NAV RIGHT */
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.lang-btn{
  display:flex;
  background:rgba(255,255,255,.07);
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--border-l);
}
.lang-btn button{
  padding:4px 12px;
  font-size:.7rem;
  font-weight:700;
  border:none;
  cursor:pointer;
  background:transparent;
  color:rgba(255,255,255,.4);
  transition:all var(--tr);
  font-family:'Space Mono',monospace;
}
.lang-btn button.active{background:var(--green);color:#fff}
.btn-cta{
  padding:8px 20px;
  background:var(--green);
  color:#fff;
  font-size:.76rem;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:none;
  cursor:pointer;
}
.btn-cta:hover{background:#8bc34a;transform:translateY(-1px)}
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  padding:4px;
}
.hamburger span{
  width:22px;
  height:2px;
  background:#fff;
  transition:var(--tr);
  display:block;
}

/* =========================
   HERO / PAGE HERO
========================= */
.page-hero{
  padding:136px 48px 72px;
  background:var(--navy);
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(ellipse 60% 80% at 75% 40%,rgba(46,125,50,.22) 0%,transparent 70%);
}
.page-hero-lines{
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.6;
}
.container{
  max-width:1180px;
  margin:0 auto;
  position:relative;
  z-index:2;
}
.breadcrumb{
  font-family:'Space Mono',monospace;
  font-size:.6rem;
  letter-spacing:.12em;
  color:rgba(255,255,255,.3);
  margin-bottom:16px;
  text-transform:uppercase;
}
.breadcrumb a{color:var(--green);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.page-hero h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(1.8rem,3.8vw,3rem);
  color:#fff;
  line-height:1.1;
  max-width:700px;
}
.page-hero h1 em{font-style:italic;color:var(--green)}
.page-hero .hero-desc{
  font-size:1rem;
  line-height:1.75;
  color:rgba(255,255,255,.6);
  max-width:560px;
  margin-top:18px;
}

/* =========================
   HOME HERO
========================= */
.hero{
  min-height:100vh;
  width:100%;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  background:#0D2214;
}
.hero-slide{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:0;
  opacity:0;
  transition:opacity .6s ease;
}
.hero-slide.active{opacity:1}
.hero-bg{position:absolute;inset:0;z-index:1}
.hero-overlay{position:absolute;inset:0;z-index:2}
.hero-svg{position:absolute;inset:0;z-index:3;pointer-events:none}
.hero-inner{
  position:relative;
  z-index:10;
  max-width:1180px;
  width:100%;
  margin:0 auto;
  padding:140px 48px 80px;
  display:grid;
  grid-template-columns:1fr;
}
.hero-copy{
  position:relative;
  z-index:10;
  max-width:720px;
}
.hero-label{
  font-family:'Space Mono',monospace;
  font-size:.65rem;
  letter-spacing:.2em;
  color:var(--green);
  text-transform:uppercase;
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:10px;
}
.hero-label::before{
  content:'';
  width:28px;
  height:1px;
  background:var(--green);
}
.hero h1{
  font-family:'Playfair Display',serif; 
  font-size:clamp(1.8rem,3.8vw,3rem);
  line-height:1.06;
  color:#fff;
  margin-bottom:24px;
}
.hero h1 em{font-style:italic;color:var(--green)}
.hero-p{
  display:block;
  max-width:620px;
  white-space:normal;
  line-height:1.7;
  overflow:visible;
  color:rgba(255,255,255,.88);
}
.hero-p span{display:none}
body.lang-en .hero-p span[data-lang="en"],
body.lang-vi .hero-p span[data-lang="vi"]{display:inline}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.07);
  border-radius:4px;
  overflow:hidden;
  margin-top:48px;
}
.stat-box{padding:22px 18px;background:rgba(13,34,20,.5)}
.stat-num{
  font-family:'Playfair Display',serif;
  font-size:1.9rem;
  color:var(--green);
  line-height:1;
}
.stat-lbl{font-size:.7rem;color:rgba(255,255,255,.4);margin-top:5px}
.slider-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:20;
  background:rgba(0,0,0,.35);
  color:#fff;
  border:0;
  width:42px;
  height:42px;
  border-radius:50%;
  cursor:pointer;
}
.slider-btn.prev{left:14px}
.slider-btn.next{right:14px}
.slider-dots{
  position:absolute;
  left:50%;
  bottom:16px;
  transform:translateX(-50%);
  display:flex;
  gap:8px;
  z-index:20;
}
.slider-dots button{
  width:10px;
  height:10px;
  border-radius:50%;
  border:0;
  background:rgba(255,255,255,.45);
  cursor:pointer;
}
.slider-dots button.active{background:#fff}
@keyframes fA{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes fB{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes fC{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}
.ci{
  width:36px;height:36px;border-radius:7px;
  background:rgba(124,179,66,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;
  margin-bottom:10px;
}
.ct{font-size:.82rem;font-weight:600;color:#fff;margin-bottom:4px}
.cs{font-size:.72rem;color:rgba(255,255,255,.42);line-height:1.5}
.fade-up{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .6s ease,transform .6s ease;
}
.fade-up.visible{opacity:1;transform:none}

/* =========================
   SECTIONS / CARDS
========================= */
.apps-section{
  padding:96px 48px;
  background:
    radial-gradient(ellipse at top left, rgba(124,179,66,.10) 0%, transparent 42%),
    radial-gradient(ellipse at bottom right, rgba(46,125,50,.08) 0%, transparent 38%),
    linear-gradient(180deg, #F7FAF7 0%, #EEF3EF 100%);
  position:relative;
}
.apps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:48px;
}
.app-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  text-decoration:none;
  display:flex;
  flex-direction:column;
  transition:all var(--tr);
  position:relative;
}
.app-card::before{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  height:2px;
  background:var(--green);
  transform:scaleX(0);
  transition:transform var(--tr);
}
.app-card:hover::before{transform:scaleX(1)}
.app-card:hover{
  transform:translateY(-4px);
  border-color:rgba(124,179,66,.3);
  box-shadow:0 16px 44px rgba(13,34,20,.12);
}
.app-icon{
  height:180px;
  background:var(--cream);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.app-icon img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.app-name{
  padding:18px 18px 22px;
  font-family:'Playfair Display',serif;
  font-size:1.05rem;
  color:var(--navy);
  line-height:1.3;
  text-align:center;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.app-name span{display:block}
.app-sub,.app-arrow{display:none !important}

.products-section{
  padding:96px 48px;
  background:var(--cream);
  position:relative;
}
.prod-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:48px;
}
.prod-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  text-decoration:none;
  display:flex;
  flex-direction:column;
  transition:all var(--tr);
}
.prod-card:hover{
  transform:translateY(-5px);
  box-shadow:0 16px 44px rgba(13,34,20,.12);
  border-color:var(--sky);
}
.prod-thumb{
  height:280px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0;
  background:var(--cream);
  padding:1px;
}
.prod-thumb img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}
.prod-body{
  padding:24px;
  flex-grow:1;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.prod-brand{
  font-family:'Space Mono',monospace;
  font-size:.58rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sky);
  margin-bottom:6px;
}
.prod-name{
  font-family:'Playfair Display',serif;
  font-size:1.1rem;
  color:var(--navy);
  margin-bottom:7px;
  line-height:1.3;
}
.prod-desc{
  font-family:'DM Sans',sans-serif;
  font-size:.8rem;
  color:var(--gray);
  line-height:1.6;
}
.prod-more{
  display:inline-flex;
  align-items:center;
  gap:5px;
  margin-top:14px;
  font-size:.75rem;
  font-weight:700;
  color:var(--sky);
  transition:gap var(--tr);
}
.prod-card:hover .prod-more{gap:10px}
.prod-card.hide{display:none !important}
.filter-inner::-webkit-scrollbar{display:none}
.filter-inner{scrollbar-width:none}

.news-section{
  padding:96px 48px;
  background:#fff;
  position:relative;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:48px;
}
.news-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  text-decoration:none;
  display:flex;
  flex-direction:column;
  transition:all var(--tr);
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 36px rgba(13,34,20,.1);
}
.news-thumb{
  height:190px;
  background:var(--cream);
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.news-tag{
  position:absolute;
  top:12px;
  left:12px;
  background:var(--green);
  color:#fff;
  font-family:'Space Mono',monospace;
  font-size:.58rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  padding:4px 10px;
  border-radius:2px;
  z-index:2;
}
.news-body{padding:20px}
.news-date{
  font-family:'Space Mono',monospace;
  font-size:.62rem;
  color:var(--gray);
  margin-bottom:8px;
}
.news-title{
  font-family:'Playfair Display',serif;
  font-size:1.05rem;
  color:var(--navy);
  margin-bottom:8px;
  line-height:1.35;
}
.news-excerpt{
  font-size:.8rem;
  color:var(--gray);
  line-height:1.6;
}

.cta-band{
  padding:80px 48px;
  background:var(--green);
  text-align:center;
  position:relative;
}
.cta-band h2{
  font-family:'Roboto',serif;
  font-size:clamp(1.8rem,3vw,2.6rem);
  color:#fff;
  margin-bottom:12px;
}
.cta-band p{
  font-size:.97rem;
  color:rgba(255,255,255,.78);
  margin-bottom:28px;
}

/* CATEGORY FILTER */
.prod-grid-full{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:48px;
}
.pcard{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  text-decoration:none;
  display:flex;
  flex-direction:column;
  transition:all var(--tr);
}
.pcard:hover{
  transform:translateY(-5px);
  box-shadow:0 18px 48px rgba(13,34,20,.12);
  border-color:var(--sky);
}
.pcard-thumb{
  height:170px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:3rem;
  position:relative;
}
.pcard-badge{
  position:absolute;
  top:10px;
  right:10px;
  background:var(--green);
  color:#fff;
  font-family:'Space Mono',monospace;
  font-size:.55rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  padding:3px 8px;
  border-radius:2px;
}
.pcard-body{
  padding:22px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.pcard-brand{
  font-family:'Space Mono',monospace;
  font-size:.58rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sky);
  margin-bottom:6px;
}
.pcard-name{
  font-family:'Playfair Display',serif;
  font-size:1.1rem;
  color:var(--navy);
  margin-bottom:8px;
  line-height:1.3;
}
.pcard-desc{
  font-size:.8rem;
  color:var(--gray);
  line-height:1.65;
  flex:1;
}
.pcard-apps{
  display:flex;
  flex-wrap:wrap;
  gap:5px;
  margin-top:12px;
}
.app-tag{
  padding:3px 10px;
  background:rgba(46,125,50,.1);
  color:var(--sky);
  font-size:.65rem;
  font-weight:600;
  border-radius:20px;
}
.pcard-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  margin-top:16px;
  font-size:.76rem;
  font-weight:700;
  color:var(--sky);
  border-top:1px solid var(--border);
  padding-top:14px;
  transition:gap var(--tr);
}
.pcard:hover .pcard-link{gap:10px}

.filter-bar{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky;
  top:72px;
  z-index:50;
  padding:0 48px;
}
.filter-inner{
  max-width:1180px;
  margin:0 auto;
  display:flex;
  gap:0;
  overflow-x:auto;
}
.ftab{
  padding:16px 24px;
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--gray);
  border:none;
  background:transparent;
  cursor:pointer;
  border-bottom:2px solid transparent;
  transition:all var(--tr);
  white-space:nowrap;
  text-decoration:none;
  display:block;
}
.ftab:hover{color:var(--navy)}
.ftab.active{color:var(--green);border-bottom-color:var(--green)}

.nc-date{
  font-family:'Space Mono',monospace;
  font-size:.58rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sky);
  margin-bottom:6px;
}
.nc-title{
  font-family:'Roboto',serif;
  font-size:1.1rem;
  color:var(--navy);
  margin-bottom:8px;
  line-height:1.3;
}
.nc-excerpt{
  font-size:.8rem;
  color:var(--gray);
  line-height:1.65;
  flex:1;
}
.nc-more{
  display:inline-flex;
  align-items:center;
  gap:5px;
  margin-top:16px;
  font-size:.76rem;
  font-weight:700;
  color:var(--sky);
  border-top:1px solid var(--border);
  padding-top:14px;
  transition:gap var(--tr);
}
.nc-thumb{
  height:170px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:3rem;
  position:relative;
}
.nc-body{
  padding:22px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.nc-tag,
.nc-project{
  position:absolute;
  top:10px;
  right:10px;
  background:var(--green);
  color:#fff;
  font-family:'Space Mono',monospace;
  font-size:.55rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  padding:3px 8px;
  border-radius:2px;
}

.sup-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  margin-top:48px;
}
.sup-card{
  border:1px solid var(--border);
  border-radius:8px;
  overflow:hidden;
  background:#fff;
  transition:all var(--tr);
}
.sup-card:hover{
  box-shadow:0 16px 44px rgba(13,34,20,.1);
  border-color:var(--sky);
  transform:translateY(-4px);
}
.sup-head{
  display:flex;
  align-items:center;
  gap:16px;
}
.sup-icon{
  width:140px;
  height:100px;
  flex:0 0 140px;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:12px;
  border-radius:12px;
  overflow:hidden;
}
.sup-icon img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}
.sup-body{padding:22px 28px}
.sup-name{
  font-family:'Roboto',serif;
  font-size:1.4rem;
  color:var(--navy);
  margin-bottom:3px;
}
.sup-origin{
  font-family:'Space Mono',monospace;
  font-size:.6rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--sky);
}
.sup-desc{
  font-size:.85rem;
  color:var(--gray);
  line-height:1.75;
  margin-bottom:16px;
}
.sup-tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:18px;
}
.sup-tag{
  padding:4px 12px;
  background:rgba(46,125,50,.1);
  color:var(--sky);
  font-size:.65rem;
  font-weight:700;
  border-radius:20px;
  letter-spacing:.04em;
}
.clients-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-top:40px;
}
.client-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:6px;
  height:84px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:14px;
  transition:all var(--tr);
  font-size:.75rem;
  font-weight:600;
  color:var(--gray);
  text-align:center;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.client-item:hover{
  border-color:var(--green);
  box-shadow:0 4px 14px rgba(13,34,20,.08);
}
.testimonials{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:40px;
}
.tcard{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-radius:6px;
  padding:28px 24px;
  transition:all var(--tr);
}
.tcard:hover{
  background:rgba(255,255,255,.09);
  border-color:rgba(124,179,66,.3);
}
.tcard-quote{
  font-size:.88rem;
  line-height:1.78;
  color:rgba(255,255,255,.68);
  margin-bottom:20px;
  font-style:italic;
}
.tcard-quote::before{
  content:'"';
  font-family:'Roboto',serif;
  font-size:2.5rem;
  color:var(--green);
  line-height:0;
  vertical-align:-14px;
  margin-right:4px;
}
.tcard-author{font-weight:700;font-size:.82rem;color:#fff}
.tcard-role{font-size:.72rem;color:rgba(255,255,255,.35);margin-top:3px}

.section-divider{
  position:relative;
  padding-bottom:72px;
  margin-bottom:72px;
}
.apps-section::after,
.prod-section::after,
.news-section::after,
.cta-band::after{
  content:'';
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:min(1180px, calc(100% - 40px));
  height:1px;
  background:rgba(13,34,20,.12);
}

/* =========================
   CONTACT
========================= */
.contact-layout{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:60px;
  padding:72px 48px;
  background:#fff;
  max-width:1180px;
  margin:0 auto;
}
.form-section h2{
  font-family:'Roboto',serif;
  font-size:1.6rem;
  color:var(--navy);
  margin-bottom:6px;
}
.form-section p{
  font-size:.88rem;
  color:var(--gray);
  line-height:1.7;
  margin-bottom:28px;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.form-grid .full{grid-column:span 2}
.fg{
  display:flex;
  flex-direction:column;
  gap:7px;
}
.fg label{
  font-size:.7rem;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gray);
}
.fg label .req{color:var(--green)}
.fg input,
.fg textarea,
.fg select{
  background:var(--cream);
  border:1px solid rgba(13,34,20,.15);
  border-radius:4px;
  padding:11px 14px;
  color:var(--navy);
  font-family:'DM Sans',sans-serif;
  font-size:.88rem;
  transition:border-color var(--tr);
  outline:none;
  width:100%;
}
.fg input:focus,
.fg textarea:focus,
.fg select:focus{
  border-color:var(--green);
  background:#fff;
}
.fg textarea{resize:vertical;min-height:120px}
.submit-row{
  display:flex;
  align-items:center;
  gap:16px;
  margin-top:8px;
  flex-wrap:wrap;
}
.form-note{font-size:.74rem;color:var(--gray)}
.success-msg{
  display:none;
  background:rgba(124,179,66,.12);
  border:1px solid rgba(124,179,66,.3);
  border-radius:6px;
  padding:20px 24px;
  text-align:center;
}
.success-msg.show{display:block}
.success-msg h3{
  font-family:'Roboto',serif;
  font-size:1.2rem;
  color:var(--sky);
  margin-bottom:6px;
}
.success-msg p{font-size:.85rem;color:var(--gray)}
.info-sidebar{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.info-box{
  background:var(--cream);
  border:1px solid var(--border);
  border-radius:6px;
  padding:22px;
}
.info-box.dark{
  background:var(--navy);
  border-color:transparent;
}
.info-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  margin-bottom:18px;
}
.info-item:last-child{margin-bottom:0}
.info-icon{
  width:40px;
  height:40px;
  border-radius:6px;
  background:rgba(124,179,66,.15);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1rem;
  flex-shrink:0;
}
.info-label{
  font-size:.65rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--gray);
  margin-bottom:3px;
}
.info-val{
  font-size:.88rem;
  color:var(--navy);
  line-height:1.55;
}
.info-val a{
  color:var(--sky);
  text-decoration:none;
}
.info-val a:hover{text-decoration:underline}
.gsheet-note{
  background:rgba(124,179,66,.1);
  border:1px solid rgba(124,179,66,.25);
  border-radius:4px;
  padding:12px 16px;
  font-size:.78rem;
  color:var(--sky);
  margin-top:14px;
  line-height:1.6;
}
.map-placeholder{
  background:var(--cream);
  border-radius:6px;
  height:180px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  font-size:2.5rem;
  gap:8px;
}
.map-placeholder p{font-size:.75rem;color:rgba(255,255,255,.4)}

/* =========================
   PARTNERS
========================= */
.sup-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}
.sup-card{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:#fff;transition:all var(--tr)}
.sup-card:hover{box-shadow:0 16px 44px rgba(13,34,20,.1);border-color:var(--sky);transform:translateY(-4px)}
.sup-head{display:flex;align-items:center;gap:16px}
.sup-icon{
  width:140px;
  height:100px;
  flex:0 0 140px;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:12px;
  border-radius:12px;
  overflow:hidden;
}
.sup-icon img{width:100%;height:100%;object-fit:contain;display:block}
.sup-body{padding:22px 28px}
.sup-name{font-family:'Roboto',serif;font-size:1.4rem;color:var(--navy);margin-bottom:3px}
.sup-origin{font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--sky)}
.sup-desc{font-size:.85rem;color:var(--gray);line-height:1.75;margin-bottom:16px}
.sup-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.sup-tag{padding:4px 12px;background:rgba(46,125,50,.1);color:var(--sky);font-size:.65rem;font-weight:700;border-radius:20px;letter-spacing:.04em}
.clients-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px}
.client-item{background:#fff;border:1px solid var(--border);border-radius:6px;height:84px;display:flex;align-items:center;justify-content:center;padding:14px;transition:all var(--tr);font-size:.75rem;font-weight:600;color:var(--gray);text-align:center;letter-spacing:.04em;text-transform:uppercase}
.client-item:hover{border-color:var(--green);box-shadow:0 4px 14px rgba(13,34,20,.08)}
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.tcard{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:6px;padding:28px 24px;transition:all var(--tr)}
.tcard:hover{background:rgba(255,255,255,.09);border-color:rgba(124,179,66,.3)}
.tcard-quote{font-size:.88rem;line-height:1.78;color:rgba(255,255,255,.68);margin-bottom:20px;font-style:italic}
.tcard-quote::before{content:'"';font-family:'Roboto',serif;font-size:2.5rem;color:var(--green);line-height:0;vertical-align:-14px;margin-right:4px}
.tcard-author{font-weight:700;font-size:.82rem;color:#fff}
.tcard-role{font-size:.72rem;color:rgba(255,255,255,.35);margin-top:3px}

/* =========================
   PRODUCT DETAIL
========================= */
.prod-detail{padding:80px 48px;background:#fff}
.detail-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  align-items:start;
}
.gallery{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.main-img{
  background:linear-gradient(135deg,#0a2010,#1a4020);
  border-radius:var(--radius);
  height:340px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:6rem;
  position:relative;
  overflow:hidden;
  padding:0;
}
.main-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  margin:0;
}
.img-caption{
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  background:linear-gradient(to top,rgba(13,34,20,.85),transparent);
  padding:20px;
  font-size:.78rem;
  color:rgba(255,255,255,.7);
}
.thumb-row{display:flex;gap:10px}
.thumb{
  height:72px;
  border-radius:4px;
  background:var(--steel);
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.5rem;
  cursor:pointer;
  border:2px solid transparent;
  transition:border-color var(--tr);
}
.thumb.active,.thumb:hover{border-color:var(--green)}
.prod-brand-badge{
  font-family:'Space Mono',monospace;
  font-size:.62rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--sky);
  margin-bottom:10px;
}
.prod-detail-title{
  font-family:'Roboto',serif;
  font-size:clamp(1.6rem,2.5vw,2.2rem);
  color:var(--navy);
  line-height:1.2;
  margin-bottom:16px;
}
.prod-short{
  font-size:.95rem;
  line-height:1.75;
  color:var(--gray);
  margin-bottom:24px;
}
.cert-badges{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.cert{
  padding:6px 14px;
  border:1px solid rgba(46,125,50,.3);
  border-radius:20px;
  font-family:'Space Mono',monospace;
  font-size:.62rem;
  letter-spacing:.06em;
  color:var(--sky);
  background:rgba(46,125,50,.07);
}
.detail-tabs{margin-top:52px}
.tab-nav{
  display:flex;
  gap:0;
  border-bottom:1px solid var(--border);
  margin-bottom:32px;
}
.tab-btn{
  padding:12px 22px;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--gray);
  border:none;
  background:transparent;
  cursor:pointer;
  border-bottom:2px solid transparent;
  margin-bottom:-1px;
  transition:all var(--tr);
}
.tab-btn.active{
  color:var(--green);
  border-bottom-color:var(--green);
}
.tab-panel{display:none}
.tab-panel.active{display:block}
.spec-table{
  width:100%;
  border-collapse:collapse;
}
.spec-table tr:nth-child(even) td{background:var(--cream)}
.spec-table td{
  padding:10px 16px;
  font-size:.85rem;
  border-bottom:1px solid var(--border);
}
.spec-table td:first-child{
  font-weight:600;
  color:var(--navy);
  width:40%;
  white-space:nowrap;
}
.spec-table td:last-child{color:var(--gray)}
.downloads{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.dl-item{
  display:flex;
  align-items:center;
  gap:16px;
  padding:18px;
  background:var(--cream);
  border:1px solid var(--border);
  border-radius:var(--radius);
  text-decoration:none;
  transition:all var(--tr);
}
.dl-item:hover{
  border-color:var(--green);
  background:rgba(124,179,66,.06);
}
.dl-icon{
  width:44px;
  height:44px;
  border-radius:6px;
  background:var(--green);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  flex-shrink:0;
}
.dl-name{font-weight:600;font-size:.9rem;color:var(--navy)}
.dl-size{font-size:.75rem;color:var(--gray);margin-top:2px}
.dl-arrow{margin-left:auto;color:var(--green);font-size:1rem}
.related{
  padding:72px 48px;
  background:var(--cream);
}
.related-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap:18px;
  margin-top:36px;
  margin-left: 2px;
  margin-right: 2px;
}
.rel-card{
  width: 100%;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:5px;
  text-decoration:none;
  transition:all var(--tr);
  display:block;
}


.rel-card:hover{
  border-color:var(--sky);
  transform:translateY(-3px);
  box-shadow:0 8px 24px rgba(13,34,20,.08);
}

.rel-icon {
  width: 100%;
  height: 200px;
  overflow: hidden;
  margin-bottom: 8px;
}

.rel-icon img.prod-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rel-name{
  font-family:'Roboto',serif;
  font-size:1rem;
  color:var(--navy);
  margin-bottom:5px;
  line-height:1.3;
  
}
.rel-brand{font-size:.74rem;color:var(--sky)}
.cta-sidebar{
  position:sticky;
  top:90px;
  background:var(--navy);
  border-radius:var(--radius);
  padding:28px;
  color:#fff;
}
.cta-sidebar h3{
  font-family:'Roboto',serif;
  font-size:1.2rem;
  margin-bottom:10px;
}
.cta-sidebar p{
  font-size:.82rem;
  color:rgba(255,255,255,.55);
  line-height:1.65;
  margin-bottom:20px;
}
.cta-sidebar .btn-primary{
  width:100%;
  justify-content:center;
  margin-bottom:10px;
}
.cta-sidebar .contact-line{
  font-size:.75rem;
  color:rgba(255,255,255,.35);
  text-align:center;
  margin-top:8px;
}
.cta-sidebar .contact-line a{
  color:var(--green);
  text-decoration:none;
}

/* video responsive */
.video-container{
  position:relative;
  padding-bottom:56.25%;
  height:0;
  overflow:hidden;
  max-width:100%;
  background:#000;
  border-radius:4px;
  box-shadow:0 4px 12px rgba(0,0,0,.1);
}
.video-container iframe,
.video-container video{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  border:0;
}
.video-wrapper-title{
  font-family:'Space Mono',monospace;
  font-size:.75rem;
  text-transform:uppercase;
  letter-spacing:1px;
  color:var(--gray);
  margin-bottom:8px;
  display:flex;
  align-items:center;
  gap:6px;
}

/* FOOTER */
footer{background:#060f08;padding:52px 48px;display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.fl-logo{font-family:'Roboto',serif;font-size:1.4rem;color:#fff;margin-bottom:10px}
.fl-logo span{color:var(--green)}
.fl-p{
  font-size:.8rem;
  color:rgba(255,255,255,.3);
  line-height:1.7;
  max-width:420px;
  margin-bottom:14px;
  white-space: nowrap;
}
.social-links{display:flex;gap:8px}
.social-links a{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.07);
  color:rgba(255,255,255,.5);text-decoration:none;display:flex;align-items:center;
  justify-content:center;font-size:.9rem;transition:all var(--tr)}
.social-links a:hover{background:var(--green);color:#fff}
.fc h4{font-size:.62rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.28);margin-bottom:14px}
.fc a{display:block;font-size:.82rem;color:rgba(255,255,255,.45);text-decoration:none;
  margin-bottom:8px;transition:color var(--tr)}
.fc a:hover{color:#fff}
.footer-btm{background:#030a04;padding:18px 48px;display:flex;justify-content:space-between;align-items:center}
.footer-btm p{font-size:.72rem;color:rgba(255,255,255,.2)}
/* FADE ANIMATION */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:none}

/* =========================
   RESPONSIVE
========================= */

@media(max-width:960px){
  nav{
    padding:0 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2147483647;
    isolation: isolate;
  }

  .hamburger{
    display:flex;
    z-index: 2147483647;
    position: relative;
  }

  .nav-right{
    gap:10px;
  }

  .btn-cta{
    display:none;
  }

  .nav-links{
    display:none;
    flex-direction:column;
    position:fixed;
    top:72px;
    left:0;
    right:0;
    width:100%;
    height:calc(50vh - 72px);
    background:var(--navy);
    padding:10px 14px 20px;
    gap:8px;
    z-index: 2147483647;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    transform: translateZ(0);
  }

  nav.open .nav-links{
    display:flex;
  }

  .nav-links a{
    width:100%;
    padding:5px 5px;
    font-size:.92rem;
  }

  .dropdown{
    position:static;
    display:none;
    min-width:100%;
    margin-top:6px;
    box-shadow:none;
    border-radius:6px;
  }

  .has-drop.drop-open .dropdown{
    display:block;
  }

  .page-hero{
    padding:116px 20px 56px;
  }

  .page-hero h1{
    max-width:100%;
  }

  .contact-layout{
    grid-template-columns:1fr;
    gap:32px;
    padding:48px 20px;
  }

  .form-grid{
    grid-template-columns:1fr;
  }

  .form-grid .full{
    grid-column:span 1;
  }

  .submit-row{
    flex-direction:column;
    align-items:stretch;
  }

  .submit-row .btn-primary{
    width:100%;
    justify-content:center;
  }

  .info-sidebar{
    width:100%;
  }

  .info-box{
    width:100%;
  }

  .info-item{
    align-items:flex-start;
  }

  .map-placeholder iframe{
    width:100%;
    height:280px;
  }

  footer{
    grid-template-columns:1fr;
    text-align:center;
    justify-items:center;
    padding:40px 20px;
  }

  .footer-brand-col,
  .fc{
    width:100%;
    text-align:center;
  }

  .social-links{
    justify-content:center;
  }

  .footer-btm{
    flex-direction:column;
    align-items:center;
    text-align:center;
    padding:18px 20px;
  }
  
  .sup-grid{
    grid-template-columns:1fr; 
  }


  /* =========================
   PRODUCT DETAIL RESPONSIVE (Điện thoại)
========================= */

  .prod-detail{
    padding: 40px 10px !important;
  }
  
  .container{
    padding-left: 10px !important;
    padding-right: 10px !important;
  }
  
  .detail-grid{
    grid-template-columns: 1fr !important;
    gap: 24px !important;
    width: 100% !important;
  }
  
  /* Gallery/Image bên trái */
  .gallery{
    width: 100% !important;
    margin-bottom: 16px;
  }
  
  .main-img{
    height: 250px !important;
    max-width: 100% !important;
  }
  
  .main-img img{
    width: 100% !important;
    height: auto !important;
  }
  
  .img-caption{
    padding: 12px !important;
    font-size: 0.7rem !important;
  }
  
  /* CTA Sidebar (bên dưới gallery) */
  .cta-sidebar{
    position: static !important;
    padding: 20px !important;
    margin-top: 16px;
  }
  
  .cta-sidebar h3{
    font-size: 1.1rem !important;
  }
  
  .cta-sidebar p{
    font-size: 0.78rem !important;
  }
  
  .cta-sidebar .btn-primary{
    width: 100% !important;
  }
  
  /* Info bên phải */
  .prod-detail-title{
    font-size: 1.5rem !important;
  }
  
  .prod-short{
    font-size: 0.88rem !important;
  }
  
  .cert-badges{
    gap: 6px !important;
  }
  
  .cert{
    font-size: 0.58rem !important;
    padding: 4px 10px !important;
  }
  
  /* Tabs */
  .tab-nav{
    flex-wrap: wrap !important;
  }
  
  .tab-btn{
    padding: 10px 16px !important;
    font-size: 0.7rem !important;
  }
  
  /* Applications grid (2 cột → 1 cột) */
  .tab-apps div[style*="grid-template-columns:1fr 1fr"]{
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  
  /* Downloads */
  .dl-item{
    padding: 14px !important;
  }
  
  .dl-name{
    font-size: 0.85rem !important;
  }
  
  .dl-size{
    font-size: 0.7rem !important;
  }


  /* --- CHỈNH SỬA: Related Products trên điện thoại --- */
  .related{
    padding: 40px 10px !important;
  }

  .related-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    width: 100% !important;
  }

  .rel-icon {
    height: 200px !important;
  }
}

@media(max-width:768px){
  div[style*="grid-template-columns:1fr 1fr"]{
    grid-template-columns:1fr !important;
  }
  div[style*="grid-template-columns:repeat(auto-fit"]{
    grid-template-columns:1fr !important;
  }
  .section-intro{
    text-align:center !important;
    max-width:700px !important;
    margin:0 auto !important;
  }
  .trend-card{
    padding:25px !important;
  }
  .hero-desc{
    font-size:.9rem !important;
    line-height:1.6 !important;
  }
  .page-hero{
    padding:40px 20px !important;
  }
  section{
    padding:50px 0 !important;
  }
  footer{
    text-align:center !important;
    grid-template-columns:1fr !important;
    padding:40px 20px !important;
  }
  footer .footer-brand-col,
  footer .fc{
    text-align:center !important;
    margin-bottom:30px !important;
  }
  footer .fc{
    display:block !important;
  }
  footer .fc h4{
    margin-bottom:15px !important;
  }
  footer .fc a{
    display:block !important;
    margin-bottom:10px !important;
  }
  footer .footer-btm{
    text-align:center !important;
    flex-direction:column !important;
    padding:16px 20px !important;
  }
  footer .footer-btm p{
    margin-bottom:10px !important;
  }
}

@media(max-width:600px){
  .page-hero{
    padding:108px 16px 44px;
  }
  .contact-layout{
    padding:40px 16px;
  }
  .map-placeholder iframe{
    height:220px;
  }
  .form-section h2,
  .info-box.dark div:first-child{
    text-align:center;
  }
  footer{
    grid-template-columns:1fr;
    text-align:center;
    justify-items:center;
  }
  .footer-brand-col,.fc{
    text-align:center;
    width:100%;
  }
  .social-links{
    justify-content:center;
  }
  .footer-btm{
    flex-direction:column;
    align-items:center;
    justify-content:center;
    text-align:center;
  }
  .footer-btm p{
    text-align:center;
  }
  .fc a{
    text-align:center;
  }
}

@media(max-width:540px){
  .prod-grid,.news-grid,.apps-grid,.prod-grid-full{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .clients-grid{grid-template-columns:repeat(2,1fr)}
  .apps-hero-grid{grid-template-columns:1fr}
}