/* ============================================================
   AC CONSTRUCTION — Xây dựng uy tín tại Lào Cai
   Stylesheet dùng chung cho toàn bộ website
   Màu thương hiệu: Teal (xanh) + Cam
   ============================================================ */

:root{
  --teal:        #17a085;
  --teal-dark:   #0d7a63;
  --teal-900:    #0a5b4a;
  --teal-50:     #e9f6f2;
  --teal-100:    #d3ede6;

  --orange:      #f47b20;
  --orange-dark: #ee5a24;
  --orange-light:#fbb040;

  --ink:         #1f2a2e;
  --body:        #48575c;
  --muted:       #7d8b90;
  --line:        #e5eae9;
  --bg-soft:     #f6f9f8;
  --white:       #ffffff;

  --radius:      16px;
  --radius-sm:   10px;
  --shadow:      0 10px 30px rgba(13,122,99,.10);
  --shadow-lg:   0 22px 55px rgba(10,91,74,.18);
  --container:   1180px;
  --font:        'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--body);
  line-height:1.65;
  background:var(--white);
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:800}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.text-center{text-align:center}
.teal{color:var(--teal)}
.orange{color:var(--orange)}
.mt-40{margin-top:40px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:50px;font-weight:700;font-size:15px;
  cursor:pointer;border:2px solid transparent;transition:.25s;white-space:nowrap;
}
.btn-orange{background:linear-gradient(135deg,var(--orange-light),var(--orange-dark));color:#fff;box-shadow:0 8px 20px rgba(238,90,36,.35)}
.btn-orange:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(238,90,36,.45)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--teal-dark)}
.btn-ghost{background:#fff;color:var(--teal-dark);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-block{width:100%}

/* ---------- Logo ---------- */
.logo{display:flex;align-items:center;gap:12px}
.logo-badge{
  width:52px;height:52px;border-radius:12px;background:var(--teal);
  display:grid;place-items:center;flex:none;box-shadow:0 6px 14px rgba(13,122,99,.3)
}
.logo-badge svg{width:44px;height:44px}
.logo-text{line-height:1.05}
.logo-text b{display:block;font-size:20px;font-weight:900;color:var(--teal-dark);letter-spacing:.5px}
.logo-text span{display:block;font-size:10px;letter-spacing:3px;color:var(--orange);font-weight:700;text-transform:uppercase}

/* ---------- Top bar ---------- */
.topbar{background:var(--teal-dark);color:#dff3ee;font-size:13.5px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:40px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
.topbar .tb-left span{margin-right:18px;opacity:.92}
.topbar .tb-right span{margin-left:16px}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 18px rgba(10,91,74,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu > li > a{
  display:block;padding:10px 15px;font-weight:600;color:var(--ink);border-radius:8px;font-size:15px;transition:.2s
}
.nav-menu > li > a:hover,.nav-menu > li > a.active{color:var(--teal);background:var(--teal-50)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-phone{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--teal-dark)}
.nav-phone .np-ic{width:40px;height:40px;border-radius:50%;background:var(--teal-50);display:grid;place-items:center;color:var(--teal)}
.nav-phone small{display:block;font-size:11px;font-weight:600;color:var(--muted)}
.nav-phone b{font-size:17px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{width:26px;height:3px;background:var(--teal-dark);border-radius:3px;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(120deg,var(--teal-900) 0%,var(--teal-dark) 55%,var(--teal) 100%);
}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 85% 20%,rgba(251,176,64,.25),transparent 45%),
  radial-gradient(circle at 10% 90%,rgba(23,160,133,.4),transparent 40%);
  pointer-events:none}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;padding-top:60px;padding-bottom:60px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.hero-badges span{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);padding:7px 14px;border-radius:50px;font-size:13px;font-weight:600}
.hero h1{color:#fff;font-size:44px;line-height:1.18;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--orange-light)}
.hero h1 .nb{white-space:nowrap}
.hero p.lead{font-size:18px;color:#d9efe9;margin-bottom:28px;max-width:540px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-trust div b{font-size:42px;color:var(--orange-light);display:block;font-weight:900;line-height:1.05}
.hero-trust div small{font-size:14.5px;color:#cfe9e2}

/* Quote form card */
.quote-card{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-lg);color:var(--body)}
.quote-card h3{font-size:20px;text-align:center;margin-bottom:4px}
.quote-card .qc-sub{text-align:center;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:15px;color:var(--ink);background:#fff;transition:.2s
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-50)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-note{font-size:12.5px;color:var(--muted);text-align:center;margin-top:10px}

/* ---------- Sections ---------- */
section{padding:72px 0}
.section-soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:680px;margin:0 auto 46px}
.eyebrow{display:inline-block;color:var(--orange-dark);font-weight:800;letter-spacing:2px;text-transform:uppercase;font-size:13px;margin-bottom:12px}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}

/* ---------- Stats ---------- */
.stats{background:linear-gradient(120deg,var(--teal-dark),var(--teal));color:#fff}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat b{font-size:42px;font-weight:900;color:var(--orange-light);display:block;line-height:1}
.stat span{font-size:14.5px;color:#dff3ee;display:block;margin-top:8px}

/* ---------- Feature / why cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.grid-5 .card{padding:16px}
.grid-5 .card .ic{width:46px;height:46px;font-size:18px;margin-bottom:12px;border-radius:12px}
.grid-5 .card h3{font-size:13px;line-height:1.3;margin-bottom:6px;white-space:nowrap}
.grid-5 .card p{font-size:12.5px;line-height:1.45}
@media(max-width:1120px){.grid-5{grid-template-columns:repeat(3,1fr)}.grid-5 .card h3{white-space:normal}}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;height:100%}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{width:58px;height:58px;border-radius:14px;background:var(--teal-50);color:var(--teal);display:grid;place-items:center;margin-bottom:16px}
.card .ic svg{width:30px;height:30px}
.card h3{font-size:18.5px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--body)}
.card.num .ic{background:var(--orange);color:#fff;font-weight:900;font-size:22px}

/* ---------- Thumb cards ---------- */
.thumb{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff;display:block;height:100%}
.thumb .ph{height:210px;display:grid;place-items:center;color:#fff;position:relative;background:linear-gradient(135deg,var(--teal),var(--teal-dark))}
.thumb .ph.alt{background:linear-gradient(135deg,var(--orange-light),var(--orange-dark))}
.thumb .ph.alt2{background:linear-gradient(135deg,#2c8f9e,#0d7a63)}
.thumb .ph.alt3{background:linear-gradient(135deg,#3aa99a,#0a5b4a)}
.thumb .ph svg{width:60px;height:60px;opacity:.92}
.thumb .cap{padding:18px 20px;background:#fff}
.thumb .cap h3{font-size:17px;margin-bottom:6px}
.thumb .cap p{font-size:13.5px;color:var(--muted)}
.thumb .tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--teal-dark);font-size:12px;font-weight:800;padding:5px 12px;border-radius:50px;z-index:2}

/* ---------- Testimonials ---------- */
.quote-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;height:100%}
.quote-item .stars{color:var(--orange);font-size:16px;margin-bottom:12px;letter-spacing:2px}
.quote-item p{font-size:14.5px;color:var(--body);font-style:italic;margin-bottom:18px}
.quote-item .who{display:flex;align-items:center;gap:12px}
.quote-item .who .av{width:46px;height:46px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
.quote-item .who b{display:block;color:var(--ink);font-size:15px}
.quote-item .who small{color:var(--muted);font-size:13px}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--orange-dark),var(--orange));color:#fff;text-align:center;padding:56px 0}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:10px}
.cta-band p{font-size:17px;opacity:.95;margin-bottom:26px}
.cta-band .btn-ghost{background:#fff;color:var(--orange-dark);border-color:#fff}
.cta-band .btn-ghost:hover{background:transparent;color:#fff;border-color:#fff}

/* ---------- Check list ---------- */
.check-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:15.5px}
.check-list li::before{content:"✔";color:#fff;background:var(--teal);width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:13px;flex:none;margin-top:2px}

/* ---------- Split / media ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.media-box{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);min-height:340px;background:linear-gradient(135deg,var(--teal),var(--teal-900));display:grid;place-items:center;color:#fff;text-align:center;padding:30px}
.media-box svg{width:90px;height:90px;opacity:.9;margin-bottom:14px}
.prose h2{font-size:30px;margin-bottom:16px}
.prose p{margin-bottom:16px}
.prose h3{font-size:20px;margin:26px 0 10px}

/* ---------- Page hero ---------- */
.page-hero{background:linear-gradient(120deg,var(--teal-900),var(--teal-dark));color:#fff;padding:54px 0;text-align:center;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 90% 10%,rgba(251,176,64,.22),transparent 45%)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;font-size:38px;margin-bottom:10px}
.breadcrumb{font-size:14px;color:#cfe9e2}
.breadcrumb a{font-weight:600}
.breadcrumb a:hover{color:var(--orange-light)}

/* ---------- Info / contact ---------- */
.info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.info-row .ic{width:46px;height:46px;border-radius:12px;background:var(--teal-50);color:var(--teal);display:grid;place-items:center;flex:none}
.info-row b{display:block;color:var(--ink);font-size:16px;margin-bottom:2px}
.info-row span{font-size:14.5px;color:var(--body)}
.map-embed{border:0;width:100%;height:100%;min-height:360px;border-radius:var(--radius);filter:grayscale(.1)}

/* ---------- Pricing ---------- */
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;text-align:center;position:relative;height:100%}
.price-card.pop{border:2px solid var(--orange);box-shadow:var(--shadow)}
.price-card .rib{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-size:12px;font-weight:800;padding:5px 16px;border-radius:50px;white-space:nowrap}
.price-card h3{font-size:20px;margin-bottom:6px}
.price-card .price{font-size:30px;font-weight:900;color:var(--teal-dark);margin:12px 0 2px}
.price-card .price small{font-size:15px;color:var(--muted);font-weight:600}
.price-card .unit{color:var(--muted);font-size:13.5px;margin-bottom:22px}
.price-card ul{text-align:left;margin-bottom:24px}
.price-card ul li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;display:flex;gap:8px;align-items:flex-start}
.price-card ul li::before{content:"✔";color:var(--teal);font-weight:900;flex:none}

/* ---------- FAQ ---------- */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 22px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:15.5px}
.faq-q::after{content:"+";font-size:24px;color:var(--teal);font-weight:400;transition:.3s;flex:none}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--body);font-size:14.5px}
.faq-a .inner{padding:0 22px 20px}

/* ---------- Footer ---------- */
.site-footer{background:var(--teal-900);color:#bfe0d8;padding:60px 0 0;font-size:14.5px}
.site-footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.site-footer a:hover{color:var(--orange-light)}
.site-footer .f-links li{margin-bottom:10px}
.site-footer .f-about p{margin:16px 0;color:#a7d0c6}
.foot-contact li{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start}
.foot-contact svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--orange-light)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;font-size:13px;color:#9dc9be}

/* ---------- Floating buttons ---------- */
.floats{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:12px}
.floats a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.25);animation:bob 2s infinite}
.floats .f-call{background:var(--orange-dark)}
.floats .f-zalo{background:#0068ff;font-weight:900;font-size:12px}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:.6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero .container{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:44px}
  .hero h1{font-size:34px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .stats .grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .split{grid-template-columns:1fr;gap:30px}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .nav-menu{
    position:fixed;top:0;right:-100%;width:min(80vw,320px);height:100vh;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:90px 20px 30px;box-shadow:-10px 0 40px rgba(0,0,0,.15);transition:right .3s;overflow-y:auto
  }
  .nav-menu.open{right:0}
  .nav-menu > li > a{padding:14px 12px;border-bottom:1px solid var(--line);border-radius:0}
  .hamburger{display:flex;z-index:120}
  .hamburger.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .hamburger.active span:nth-child(2){opacity:0}
  .hamburger.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .nav-phone small{display:none}
  .topbar .tb-left span:not(:first-child){display:none}
}
@media(max-width:640px){
  .grid-3,.grid-2,.grid-4,.grid-5{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .section-head h2{font-size:26px}
  .hero h1{font-size:28px}
  .stats .grid{grid-template-columns:1fr 1fr}
  .site-footer .cols{grid-template-columns:1fr}
  .topbar .tb-left{display:none}
  .topbar .container{justify-content:center}
  .nav{height:66px}
  section{padding:50px 0}
  .page-hero h1{font-size:29px}
}

/* ============================================================
   HIỆU ỨNG NÂNG CAO (animation & tương tác)
   ============================================================ */

/* Header thu gọn + đổ bóng khi cuộn */
.site-header{transition:box-shadow .3s ease, background .3s ease}
.site-header.scrolled{box-shadow:0 6px 26px rgba(10,91,74,.16)}
.site-header.scrolled .nav{height:64px}
.nav{transition:height .3s ease}

/* Hiệu ứng xuất hiện cho khu vực Hero khi tải trang */
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.hero-badges{animation:fadeUp .6s .05s both}
.hero h1{animation:fadeUp .7s .15s both}
.hero p.lead{animation:fadeUp .7s .3s both}
.hero-actions{animation:fadeUp .7s .45s both}
.hero-trust{animation:fadeUp .7s .6s both}
.hero .quote-card{animation:fadeUp .8s .3s both}

/* Gạch chân động cho menu */
.nav-menu > li > a::before{content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .28s ease}
.nav-menu > li > a:hover::before,.nav-menu > li > a.active::before{transform:scaleX(1)}

/* Nút bấm: hiệu ứng ánh sáng lướt qua khi hover */
.btn{position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;top:0;left:-120%;width:55%;height:100%;pointer-events:none;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-20deg);transition:left .6s ease}
.btn:hover::after{left:135%}

/* Icon trong card nảy nhẹ khi hover */
.card .ic{transition:transform .3s ease, background .3s ease}
.card:hover .ic{transform:scale(1.08) translateY(-2px)}

/* Thumb: phóng to hình & đổi màu tiêu đề khi hover */
.thumb .ph{overflow:hidden}
.thumb .ph svg,.thumb .ph img{transition:transform .55s ease}
.thumb:hover .ph svg,.thumb:hover .ph img{transform:scale(1.12)}
.thumb .cap h3{transition:color .2s ease}
.thumb:hover .cap h3{color:var(--teal)}

/* Reveal mượt hơn + cho phép stagger bằng transition-delay */
.reveal{transition:opacity .7s ease, transform .7s ease}

/* Nút cuộn lên đầu trang */
.to-top{position:fixed;left:18px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--teal-dark);color:#fff;display:grid;place-items:center;z-index:90;border:0;cursor:pointer;
  font-size:24px;font-weight:900;line-height:1;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s ease;box-shadow:0 8px 20px rgba(10,91,74,.35)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--teal)}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1!important;transform:none!important}
}


/* ---------- Tin tức / Bài viết ---------- */
.post-date{display:block;font-size:12px;color:var(--orange);font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:6px}
.article{max-width:800px;margin:0 auto}
.article h2{font-size:24px;margin:34px 0 12px;color:var(--ink)}
.article p{margin-bottom:16px;color:var(--body);line-height:1.75}
.article ul{margin:0 0 16px 22px;color:var(--body);line-height:1.75}
.article .fig{margin:26px 0}
.article .fig .ph{border-radius:var(--radius)}
.article .fig figcaption{font-size:13.5px;color:var(--body);text-align:center;margin-top:8px;font-style:italic}
.article img{max-width:100%;border-radius:var(--radius)}
.post-back{display:inline-block;margin-top:30px}


/* ---------- Video cong trinh ---------- */
.thumb .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.video-16x9{aspect-ratio:16/9;width:100%;border:0;border-radius:var(--radius);box-shadow:var(--shadow);display:block;background:#000}
.video-9x16{aspect-ratio:9/16;width:100%;border:0;border-radius:var(--radius);box-shadow:var(--shadow);display:block;background:#000}
.video-cap{margin-top:12px}
.video-cap h3{font-size:16.5px;margin-bottom:4px}
.video-cap p{font-size:13.5px;color:var(--muted)}
.video-shorts{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,280px));gap:26px;justify-content:center;margin-top:34px}


/* ---------- Album anh du an ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery a{display:block;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.gallery img{width:100%;height:250px;object-fit:cover;display:block;transition:transform .45s ease}
.gallery a:hover img{transform:scale(1.07)}
.project-meta{display:flex;gap:26px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.project-meta div{background:var(--teal-50);border-radius:12px;padding:12px 22px;font-size:14.5px}
.project-meta b{color:var(--teal-dark)}
@media(max-width:820px){.gallery{grid-template-columns:repeat(2,1fr)}.gallery img{height:180px}}
@media(max-width:520px){.gallery{grid-template-columns:1fr 1fr}.gallery img{height:150px}}


/* nav-fix-8items: menu 8 muc khong xuong dong */
.nav-menu > li > a{white-space:nowrap}
.logo-text span{white-space:nowrap}
.nav-phone b{white-space:nowrap}
@media(min-width:821px) and (max-width:1150px){
  .nav-menu