/* ============================================================
   HIỆP THÀNH CONSTRUCTION — Corporate Website
   Design System / Global Stylesheet
   Brand: Navy Blue (from logo) + Industrial Amber
   ============================================================ */

/* ---------- 1. Design Tokens ---------- */
:root{
  /* Brand */
  --navy-900:#08203f;
  --navy-800:#0a2a57;
  --navy-700:#0e3e7e;   /* PRIMARY — Hiệp Thành Blue (from logo #104080) */
  --navy-600:#134a92;
  --navy-500:#1c6fc9;   /* bright link/hover blue */
  --navy-100:#e7effa;
  --navy-50:#f3f7fc;

  --amber-600:#d8890f;
  --amber-500:#f2a11e;  /* ACCENT — Industrial Amber */
  --amber-400:#ffb84d;
  --amber-100:#fdf1dd;

  /* Neutrals */
  --ink:#14181f;
  --ink-soft:#2b3340;
  --muted:#5b6472;
  --muted-2:#8a93a3;
  --line:#e4e8ef;
  --line-2:#eef1f6;
  --bg:#ffffff;
  --bg-alt:#f5f7fa;
  --bg-dark:#0b1b33;

  /* Type */
  --font-sans:"Be Vietnam Pro","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --font-display:"Archivo","Be Vietnam Pro","Noto Sans SC",sans-serif;

  /* Layout */
  --container:1240px;
  --container-wide:1440px;
  --radius:14px;
  --radius-sm:9px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(14,32,64,.06);
  --shadow:0 14px 40px rgba(14,32,64,.10);
  --shadow-lg:0 30px 70px rgba(8,24,58,.18);
  --header-h:76px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --transition:.45s var(--ease);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:16.5px;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:focus-visible{outline:3px solid var(--amber-500);outline-offset:3px}

/* ---------- 3. Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.12;color:var(--navy-800);letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,4rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.85rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.7rem)}
h4{font-size:1.15rem}
p{color:var(--ink-soft)}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--muted);font-weight:400}
strong{font-weight:700;color:var(--ink)}
:lang(zh),[lang="zh"]{font-family:"Noto Sans SC",var(--font-sans);letter-spacing:0}

/* ---------- 4. Layout helpers ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(20px,4vw,40px)}
.section{padding:clamp(64px,8vw,120px) 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--bg-dark);color:#dbe5f2}
.section--tight{padding:clamp(48px,5vw,80px) 0}
.grid{display:grid;gap:28px}
.center{text-align:center}
.mx-auto{margin-inline:auto}

/* ---------- 5. Section heading ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-display);font-weight:700;font-size:.82rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--navy-500);margin-bottom:16px;
}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--amber-500)}
.section--dark .eyebrow{color:var(--amber-400)}
.section-head{max-width:760px;margin-bottom:clamp(36px,4vw,56px)}
.section-head.center{margin-inline:auto}
.section-head h2{margin-bottom:16px}
.section--dark .section-head h2{color:#fff}
.section-head p{color:var(--muted);font-size:1.08rem}
.section--dark .section-head p{color:#9fb3ce}

/* ---------- 6. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-display);font-weight:700;font-size:.98rem;
  padding:15px 30px;border-radius:var(--radius-sm);
  transition:all .3s var(--ease);white-space:nowrap;letter-spacing:.01em;
  border:2px solid transparent;
}
.btn svg{width:18px;height:18px}
.btn--primary{background:var(--amber-500);color:#1a1205;box-shadow:0 10px 24px rgba(242,161,30,.32)}
.btn--primary:hover{background:var(--amber-400);transform:translateY(-3px);box-shadow:0 16px 32px rgba(242,161,30,.42)}
.btn--navy{background:var(--navy-700);color:#fff}
.btn--navy:hover{background:var(--navy-600);transform:translateY(-3px);box-shadow:var(--shadow)}
.btn--ghost{background:transparent;color:var(--navy-700);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--navy-700);background:var(--navy-50)}
.btn--white{background:#fff;color:var(--navy-700)}
.btn--white:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.btn--outline-light{border-color:rgba(255,255,255,.4);color:#fff}
.btn--outline-light:hover{background:#fff;color:var(--navy-700);border-color:#fff}

/* ---------- 7. Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);
  display:flex;align-items:center;
  transition:background .4s,box-shadow .4s,height .4s;
}
.site-header::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,18,40,.55),rgba(6,18,40,0));opacity:1;transition:opacity .4s;pointer-events:none}
.site-header.scrolled{background:#fff;box-shadow:0 6px 24px rgba(10,26,58,.09);height:66px}
.site-header.scrolled::before{opacity:0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;max-width:var(--container-wide);margin-inline:auto;padding-inline:clamp(20px,4vw,40px)}
.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}
.brand img{height:46px;width:auto;transition:height .4s}
.scrolled .brand img{height:40px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-family:var(--font-display);font-weight:800;font-size:1.18rem;color:#fff;letter-spacing:.01em;transition:color .4s}
.brand-tag{font-size:.62rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.75);transition:color .4s}
.scrolled .brand-name{color:var(--navy-800)}
.scrolled .brand-tag{color:var(--amber-600)}

/* Nav */
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav a{
  font-family:var(--font-display);font-weight:600;font-size:.93rem;color:rgba(255,255,255,.92);
  padding:10px 15px;border-radius:8px;position:relative;transition:color .25s,background .25s;
}
.main-nav a::after{content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;background:var(--amber-500);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.main-nav a:hover,.main-nav a.active{color:#fff}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.scrolled .main-nav a{color:var(--ink-soft)}
.scrolled .main-nav a:hover,.scrolled .main-nav a.active{color:var(--navy-700)}

.header-actions{display:flex;align-items:center;gap:14px}

/* Language switch */
.lang-switch{position:relative}
.lang-btn{
  display:flex;align-items:center;gap:7px;padding:8px 12px;border-radius:8px;
  font-family:var(--font-display);font-weight:700;font-size:.85rem;color:#fff;
  border:1.5px solid rgba(255,255,255,.35);transition:all .25s;
}
.scrolled .lang-btn{color:var(--navy-700);border-color:var(--line)}
.lang-btn:hover{border-color:var(--amber-500)}
.lang-btn .flag{font-size:1.05rem;line-height:1}
.lang-btn .chev{width:12px;height:12px;transition:transform .3s}
.lang-switch.open .chev{transform:rotate(180deg)}
.lang-menu{
  position:absolute;top:calc(100% + 10px);right:0;min-width:172px;background:#fff;
  border-radius:12px;box-shadow:var(--shadow);padding:7px;opacity:0;visibility:hidden;
  transform:translateY(-8px);transition:all .28s var(--ease);border:1px solid var(--line-2);
}
.lang-switch.open .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu button{
  display:flex;align-items:center;gap:11px;width:100%;padding:10px 13px;border-radius:8px;
  font-size:.9rem;font-weight:600;color:var(--ink-soft);text-align:left;transition:background .2s;
}
.lang-menu button:hover{background:var(--navy-50)}
.lang-menu button.active{background:var(--navy-100);color:var(--navy-700)}
.lang-menu .flag{font-size:1.15rem}

/* Burger */
.burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;border-radius:9px}
.burger span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:all .3s}
.scrolled .burger span{background:var(--navy-800)}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- 8. Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;animation:heroZoom 18s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero__overlay{position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(6,20,45,.92) 0%,rgba(8,26,58,.78) 42%,rgba(8,26,58,.35) 100%);}
.hero__inner{padding-top:calc(var(--header-h) + 40px);padding-bottom:60px;max-width:820px}
.hero .eyebrow{color:var(--amber-400)}
.hero h1{color:#fff;margin-bottom:22px;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.hero h1 .hl{color:var(--amber-400)}
.hero__lead{font-size:clamp(1.05rem,1.7vw,1.32rem);color:rgba(233,240,250,.92);max-width:600px;margin-bottom:36px}
.hero__cta{display:flex;flex-wrap:wrap;gap:16px}
.hero__stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:56px;padding-top:34px;border-top:1px solid rgba(255,255,255,.16)}
.hero__stat .num{font-family:var(--font-display);font-weight:800;font-size:clamp(1.9rem,3.2vw,2.7rem);color:#fff;line-height:1}
.hero__stat .num .suf{color:var(--amber-400)}
.hero__stat .lbl{font-size:.86rem;color:rgba(219,229,242,.8);margin-top:6px;letter-spacing:.02em}
.hero__scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.7);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase}
.hero__scroll .mouse{width:24px;height:38px;border:2px solid rgba(255,255,255,.5);border-radius:14px;position:relative}
.hero__scroll .mouse::after{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:4px;height:7px;background:#fff;border-radius:2px;animation:scrollDot 1.6s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,12px)}}

/* Page hero (interior) */
.page-hero{position:relative;padding:calc(var(--header-h) + 78px) 0 68px;color:#fff;overflow:hidden}
.page-hero__bg{position:absolute;inset:0;z-index:-2}
.page-hero__bg img{width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(6,20,45,.93),rgba(8,26,58,.72))}
.page-hero h1{color:#fff;margin-bottom:14px}
.page-hero p{color:rgba(226,235,247,.9);max-width:640px;font-size:1.12rem}
.breadcrumb{display:flex;gap:9px;align-items:center;font-size:.85rem;color:rgba(226,235,247,.7);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--amber-400)}
.breadcrumb .sep{opacity:.5}

/* ---------- 9. Cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s,border-color .4s}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}

/* Feature (icon) card */
.feature{padding:34px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:all .4s var(--ease);position:relative;overflow:hidden;height:100%}
.feature::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--amber-500);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.feature:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.feature:hover::before{transform:scaleX(1)}
.feature__icon{width:58px;height:58px;border-radius:13px;background:var(--navy-50);color:var(--navy-700);display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:all .4s}
.feature:hover .feature__icon{background:var(--navy-700);color:#fff;transform:rotate(-6deg) scale(1.05)}
.feature__icon svg{width:28px;height:28px}
.feature h3{font-size:1.28rem;margin-bottom:10px}
.feature p{color:var(--muted);font-size:.98rem}
.feature__num{position:absolute;top:22px;right:26px;font-family:var(--font-display);font-weight:800;font-size:2.6rem;color:var(--navy-50);line-height:1;transition:color .4s}
.feature:hover .feature__num{color:var(--amber-100)}

/* Stat block */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;padding:30px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.section--dark .stat{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1)}
.stat .num{font-family:var(--font-display);font-weight:800;font-size:clamp(2.1rem,3.6vw,3rem);color:var(--navy-700);line-height:1}
.section--dark .stat .num{color:#fff}
.stat .num .suf{color:var(--amber-500)}
.stat .lbl{margin-top:8px;font-size:.92rem;color:var(--muted);font-weight:500}
.section--dark .stat .lbl{color:#9fb3ce}

/* ---------- 10. Project cards ---------- */
.project-card{position:relative;border-radius:var(--radius);overflow:hidden;height:340px;display:flex;align-items:flex-end;color:#fff}
.project-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);z-index:0}
.project-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,18,40,.92) 8%,rgba(6,18,40,.25) 55%,rgba(6,18,40,.05) 100%);z-index:1;transition:opacity .4s}
.project-card:hover img{transform:scale(1.09)}
.project-card__body{position:relative;z-index:2;padding:26px 26px 24px;width:100%}
.project-card .tag{display:inline-block;font-family:var(--font-display);font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;background:var(--amber-500);color:#1a1205;padding:5px 12px;border-radius:20px;margin-bottom:12px}
.project-card h3{color:#fff;font-size:1.24rem;line-height:1.25;margin-bottom:8px}
.project-card .meta{font-size:.85rem;color:rgba(226,235,247,.82);display:flex;gap:14px;flex-wrap:wrap}
.project-card .meta b{color:var(--amber-400);font-weight:700}

/* ---------- 11. Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery figure{position:relative;overflow:hidden;border-radius:var(--radius-sm);aspect-ratio:4/3;cursor:pointer}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.gallery figure::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,18,40,.5),transparent 60%);opacity:0;transition:opacity .4s}
.gallery figure:hover img{transform:scale(1.08)}
.gallery figure:hover::after{opacity:1}
.gallery figcaption{position:absolute;left:16px;bottom:14px;color:#fff;font-weight:600;font-size:.9rem;z-index:2;opacity:0;transform:translateY(8px);transition:all .4s}
.gallery figure:hover figcaption{opacity:1;transform:translateY(0)}

/* ---------- 12. Split / media ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split--reverse .split__media{order:2}
.split__media{position:relative}
.split__media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.split__media .badge{position:absolute;bottom:-24px;left:-24px;background:var(--navy-700);color:#fff;padding:22px 26px;border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.split__media .badge .n{font-family:var(--font-display);font-weight:800;font-size:2.2rem;line-height:1;color:var(--amber-400)}
.split__media .badge .t{font-size:.82rem;color:rgba(226,235,247,.85);margin-top:2px}
.split__body h2{margin-bottom:20px}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:13px;align-items:flex-start}
.check-list .ico{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--navy-100);color:var(--navy-700);display:flex;align-items:center;justify-content:center;margin-top:2px}
.check-list .ico svg{width:15px;height:15px}
.check-list b{display:block;color:var(--ink)}
.check-list span{color:var(--muted);font-size:.96rem}

/* ---------- 13. Tables ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
table.data{width:100%;border-collapse:collapse;min-width:640px;background:#fff}
table.data thead th{background:var(--navy-700);color:#fff;font-family:var(--font-display);font-weight:700;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;padding:15px 18px;text-align:left}
table.data tbody td{padding:15px 18px;border-bottom:1px solid var(--line-2);font-size:.96rem;color:var(--ink-soft);vertical-align:top}
table.data tbody tr:nth-child(even){background:var(--bg-alt)}
table.data tbody tr:hover{background:var(--navy-50)}
table.data .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600;color:var(--navy-700)}
table.data td .sub{display:block;font-size:.82rem;color:var(--muted-2);margin-top:2px}

/* ---------- 14. Chart (revenue) ---------- */
.rev-chart{display:flex;align-items:flex-end;gap:clamp(14px,4vw,52px);height:300px;padding:20px 6px 0;margin-top:10px}
.rev-bar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:12px}
.rev-bar .bar{width:100%;max-width:82px;background:linear-gradient(180deg,var(--navy-500),var(--navy-700));border-radius:8px 8px 0 0;height:0;transition:height 1.4s var(--ease);position:relative}
.rev-bar.is-peak .bar{background:linear-gradient(180deg,var(--amber-400),var(--amber-600))}
.rev-bar .bar .val{position:absolute;top:-30px;left:50%;transform:translateX(-50%);font-family:var(--font-display);font-weight:800;font-size:1rem;color:var(--navy-700);white-space:nowrap}
.rev-bar.is-peak .bar .val{color:var(--amber-600)}
.rev-bar .yr{font-family:var(--font-display);font-weight:700;color:var(--muted);font-size:.95rem}

/* ---------- 15. Logos / partners strip ---------- */
.logo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.logo-cell{display:flex;align-items:center;justify-content:center;padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-align:center;min-height:104px;transition:all .35s;font-weight:600;color:var(--ink-soft);font-size:.98rem;line-height:1.35}
.logo-cell:hover{border-color:var(--navy-500);box-shadow:var(--shadow-sm);transform:translateY(-4px);color:var(--navy-700)}

/* ---------- 16. Timeline ---------- */
.timeline{position:relative;max-width:820px;margin-inline:auto;padding-left:36px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--navy-500),var(--line))}
.timeline li{position:relative;padding-bottom:34px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-32px;top:5px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--amber-500);box-shadow:0 0 0 4px var(--navy-50)}
.timeline .yr{font-family:var(--font-display);font-weight:800;color:var(--navy-700);font-size:1.15rem;margin-bottom:4px}
.timeline p{color:var(--muted);font-size:.98rem}

/* ---------- 17. CTA band ---------- */
.cta-band{position:relative;overflow:hidden;color:#fff;border-radius:var(--radius-lg);padding:clamp(42px,6vw,72px);background:linear-gradient(120deg,var(--navy-800),var(--navy-600))}
.cta-band::before{content:"";position:absolute;top:-40%;right:-8%;width:420px;height:420px;background:radial-gradient(circle,rgba(242,161,30,.28),transparent 68%)}
.cta-band__inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;max-width:640px}
.cta-band p{color:rgba(219,229,242,.9);margin-top:10px;max-width:560px}

/* ---------- 18. Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.info-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-2)}
.info-item:last-child{border-bottom:none}
.info-item .ico{flex-shrink:0;width:48px;height:48px;border-radius:12px;background:var(--navy-50);color:var(--navy-700);display:flex;align-items:center;justify-content:center}
.info-item .ico svg{width:22px;height:22px}
.info-item .k{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);font-weight:600;margin-bottom:3px}
.info-item .v{font-weight:600;color:var(--ink);font-size:1.02rem}
.info-item .v a:hover{color:var(--navy-500)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,3vw,38px);box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:7px;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.98rem;color:var(--ink);background:#fff;transition:border-color .25s,box-shadow .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy-500);box-shadow:0 0 0 4px var(--navy-100)}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:.86rem;color:var(--muted-2);margin-top:6px}
.map-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);line-height:0}
.map-embed iframe{width:100%;height:340px;border:0}

/* ---------- 19. News cards ---------- */
.news-card{display:flex;flex-direction:column;height:100%}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.news-card:hover .thumb img{transform:scale(1.07)}
.news-card__body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.news-card .date{font-size:.82rem;color:var(--navy-500);font-weight:600;margin-bottom:10px;display:flex;gap:8px;align-items:center}
.news-card .date .cat{background:var(--navy-50);color:var(--navy-700);padding:3px 10px;border-radius:20px;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase}
.news-card h3{font-size:1.16rem;margin-bottom:10px;line-height:1.3}
.news-card:hover h3{color:var(--navy-600)}
.news-card p{color:var(--muted);font-size:.95rem;flex:1}
.news-card .more{margin-top:16px;font-family:var(--font-display);font-weight:700;font-size:.9rem;color:var(--navy-700);display:inline-flex;align-items:center;gap:7px}
.news-card .more svg{width:16px;height:16px;transition:transform .3s}
.news-card:hover .more svg{transform:translateX(4px)}

/* ---------- 20. Careers ---------- */
.job{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:all .35s;flex-wrap:wrap}
.job:hover{border-color:var(--navy-500);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.job h3{font-size:1.2rem;margin-bottom:6px}
.job .tags{display:flex;gap:10px;flex-wrap:wrap;font-size:.84rem;color:var(--muted)}
.job .tags span{display:inline-flex;align-items:center;gap:6px}
.value-pill{display:flex;gap:14px;align-items:center;padding:18px 22px;background:var(--navy-50);border-radius:var(--radius);border:1px solid var(--navy-100)}
.value-pill .ico{width:44px;height:44px;flex-shrink:0;border-radius:11px;background:var(--navy-700);color:#fff;display:flex;align-items:center;justify-content:center}

/* ---------- 21. Footer ---------- */
.site-footer{background:var(--bg-dark);color:#a9bdd8;padding-top:72px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand img{height:52px;margin-bottom:18px}
.footer-brand p{color:#8ba1c0;font-size:.95rem;max-width:320px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:20px;font-family:var(--font-display);letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#a9bdd8;font-size:.94rem;transition:color .25s,padding .25s}
.footer-col a:hover{color:var(--amber-400);padding-left:5px}
.footer-contact li{display:flex;gap:12px;margin-bottom:15px;font-size:.94rem;color:#a9bdd8;align-items:flex-start}
.footer-contact svg{width:18px;height:18px;flex-shrink:0;margin-top:3px;color:var(--amber-400)}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;transition:all .3s}
.footer-social a:hover{background:var(--amber-500);color:#0b1b33;transform:translateY(-3px)}
.footer-social svg{width:18px;height:18px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px 0;font-size:.86rem;color:#7089ab;flex-wrap:wrap}

/* ---------- 22. Floating widgets ---------- */
.float-contact{position:fixed;right:20px;bottom:22px;z-index:900;display:flex;flex-direction:column;gap:12px}
.float-contact a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow);transition:transform .3s;position:relative}
.float-contact a:hover{transform:scale(1.1)}
.float-contact .phone{background:var(--navy-700)}
.float-contact .zalo{background:#0068ff;font-weight:800;font-size:.8rem;font-family:var(--font-display)}
.float-contact a svg{width:24px;height:24px}
.float-contact .phone{animation:ring 2.4s infinite}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(14,62,126,.5)}50%{box-shadow:0 0 0 12px rgba(14,62,126,0)}}
.back-top{position:fixed;right:20px;bottom:88px;z-index:899;width:46px;height:46px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--navy-700);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .35s}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--navy-700);color:#fff}
.back-top svg{width:20px;height:20px}
@media(max-width:560px){.back-top{bottom:150px}}

/* ---------- 23. Reveal animations ---------- */
[data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal="left"]{transform:translateX(-46px)}
[data-reveal="right"]{transform:translateX(46px)}
[data-reveal="zoom"]{transform:scale(.92)}
[data-reveal].in{transform:none}
[data-delay="1"]{transition-delay:.1s}[data-delay="2"]{transition-delay:.2s}
[data-delay="3"]{transition-delay:.3s}[data-delay="4"]{transition-delay:.4s}
[data-delay="5"]{transition-delay:.5s}[data-delay="6"]{transition-delay:.6s}

/* ---------- 24. Lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:2000;background:rgba(6,15,32,.94);display:flex;align-items:center;justify-content:center;padding:30px;opacity:0;visibility:hidden;transition:opacity .35s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:92vw;max-height:86vh;border-radius:10px;box-shadow:var(--shadow-lg);transform:scale(.94);transition:transform .35s}
.lightbox.open img{transform:scale(1)}
.lightbox .lb-close{position:absolute;top:22px;right:26px;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:1.6rem;display:flex;align-items:center;justify-content:center}
.lightbox .lb-close:hover{background:var(--amber-500);color:#0b1b33}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:1.8rem;display:flex;align-items:center;justify-content:center}
.lightbox .lb-nav:hover{background:var(--amber-500);color:#0b1b33}
.lightbox .lb-prev{left:24px}.lightbox .lb-next{right:24px}

/* ---------- 25. Misc ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{padding:8px 16px;background:var(--navy-50);color:var(--navy-700);border-radius:30px;font-size:.88rem;font-weight:600;border:1px solid var(--navy-100)}
.note{background:var(--amber-100);border-left:3px solid var(--amber-500);padding:14px 18px;border-radius:0 10px 10px 0;font-size:.92rem;color:var(--ink-soft)}
.divider{height:1px;background:var(--line);margin:clamp(48px,6vw,80px) 0}
.text-amber{color:var(--amber-600)}
.mono-num{font-variant-numeric:tabular-nums}

/* proposed content marker */
.proposed{position:relative}
.proposed-tag{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--amber-600);background:var(--amber-100);padding:3px 9px;border-radius:5px;margin-left:8px;vertical-align:middle}

/* ---------- 26. Responsive ---------- */
@media(max-width:1080px){
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:920px){
  :root{--header-h:66px}
  .main-nav,.header-actions .lang-desktop{display:none}
  .burger{display:flex}
  .mobile-nav{display:flex}
  .split{grid-template-columns:1fr;gap:40px}
  .split--reverse .split__media{order:0}
  .split__media .badge{left:20px;bottom:20px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .logo-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:640px){
  body{font-size:16px}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:22px 10px}
  .hero__stats{gap:26px}
  .gallery{grid-template-columns:1fr 1fr;gap:10px}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
  .rev-chart{height:230px}
  .float-contact a{width:48px;height:48px}
  .project-card{height:290px}
}

/* ---------- 27. Mobile nav drawer ---------- */
.mobile-nav{position:fixed;inset:0;z-index:1200;background:rgba(6,15,32,.5);opacity:0;visibility:hidden;transition:opacity .35s}
.mobile-nav.open{opacity:1;visibility:visible}
.mobile-nav__panel{position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;padding:26px 24px;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .4s var(--ease);overflow-y:auto}
.mobile-nav.open .mobile-nav__panel{transform:translateX(0)}
.mobile-nav__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--line-2)}
.mobile-nav__head img{height:42px}
.mobile-nav__close{font-size:1.8rem;color:var(--navy-800);width:42px;height:42px;display:flex;align-items:center;justify-content:center}
.mobile-nav a.m-link{padding:14px 8px;font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:var(--ink-soft);border-bottom:1px solid var(--line-2)}
.mobile-nav a.m-link:hover,.mobile-nav a.m-link.active{color:var(--navy-700)}
.mobile-lang{margin-top:24px;display:flex;gap:10px;flex-wrap:wrap}
.mobile-lang button{flex:1;min-width:92px;padding:11px;border:1.5px solid var(--line);border-radius:9px;font-weight:600;font-size:.9rem;display:flex;align-items:center;gap:8px;justify-content:center;color:var(--ink-soft)}
.mobile-lang button.active{background:var(--navy-700);color:#fff;border-color:var(--navy-700)}
.mobile-nav .m-cta{margin-top:22px}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.15s!important}
  .hero__bg img{animation:none}
}