:root{
  --green:#1d6b30; --green-d:#0f3d1c; --green-l:#7cbf3a; --red:#d8372a;
  --gold:#7cbf3a; --ink:#141814; --muted:#5b625b; --bg:#f6f4ee; --sand:#e9e6dd;
  --dark:#07130b; --card:#fff; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.center{text-align:center;margin-top:44px}
.muted{color:var(--muted)}
em{font-style:normal;color:var(--green);font-weight:700}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* HERO */
.hero{position:relative;height:min(78vh,720px);min-height:420px;overflow:hidden;background:#222}
.hero-img{width:100%;height:100%;object-fit:cover;animation:kb 18s ease-out forwards}
@keyframes kb{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,20,10,.72) 0%,rgba(5,20,10,.25) 55%,transparent 100%)}
.hero-badge{position:absolute;left:6%;top:50%;transform:translateY(-50%);color:#fff;max-width:640px}
.hero-kicker{display:inline-block;font-size:13px;letter-spacing:.25em;text-transform:uppercase;border-left:3px solid var(--red);padding-left:12px;margin-bottom:18px;opacity:.9}
.hero-slogan{font-size:clamp(36px,6vw,74px);font-weight:800;line-height:1.05;display:flex;flex-wrap:wrap;gap:.1em .3em;align-items:center;font-style:italic}
.hero-slogan .w1{color:#fff}.hero-slogan .w2{color:#ff6a4d}.hero-slogan .w3{color:var(--green-l)}
.hero-slogan .dot{display:none}
.hero-slogan span{animation:pop .9s both}.hero-slogan .w2{animation-delay:.2s}.hero-slogan .w3{animation-delay:.4s}
@keyframes pop{from{opacity:0;transform:translateY(30px) rotate(-3deg)}to{opacity:1;transform:none}}
.hero-sub{margin-top:18px;font-size:clamp(16px,2vw,21px);opacity:.92;font-weight:300}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,22,13,.92);backdrop-filter:blur(10px);box-shadow:0 4px 24px rgba(0,0,0,.25)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 20px;height:72px;display:flex;align-items:center;gap:28px}
.nav-logo img{height:50px;background:#fff;border-radius:8px;padding:4px 6px}
.nav-menu{display:flex;gap:26px;flex:1}
.nav-menu a{color:#fff;font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.04em;position:relative;padding:24px 0}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--green-l);transform:scaleX(0);transition:.3s}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-right{display:flex;gap:10px;align-items:center}
.pill{display:flex;align-items:center;gap:8px;background:var(--green-l);color:#0b240f;font-weight:700;font-size:14px;padding:9px 16px;border-radius:8px;transition:.25s}
.pill svg{width:18px;height:18px;fill:currentColor}
.pill-2{background:#fff}
.pill:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(124,191,58,.4)}
.burger{display:none;background:none;border:0;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.burger span{width:24px;height:2px;background:#fff;display:block;transition:.3s}

/* INTRO */
.intro{padding:90px 0 60px;background:linear-gradient(#fbfaf6,var(--bg))}
.intro-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:50px;align-items:center}
.intro-title{font-size:clamp(30px,3.6vw,44px);font-weight:800;line-height:1.15}
.intro-title .ke{color:var(--green)}.intro-title .loph{color:var(--red)}
.intro-tag{font-style:italic;color:var(--green);font-weight:600;font-size:19px;margin:10px 0 18px;border-bottom:1px solid #d9d4c5;padding-bottom:14px}
.intro-text p{margin-bottom:14px;color:#2e332e}
.btn-outline{display:inline-flex;gap:12px;align-items:center;margin-top:12px;padding:16px 30px;background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.08);font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:14px;border-radius:4px;transition:.3s}
.btn-outline:hover{background:var(--green);color:#fff}
.media-frame{position:relative;border-radius:var(--radius);overflow:hidden;border:6px solid #fff;box-shadow:0 20px 60px rgba(0,0,0,.18);aspect-ratio:16/10}
.media-frame>img{width:100%;height:100%;object-fit:cover}
.media-top{position:absolute;top:0;left:0;right:0;display:flex;gap:12px;align-items:center;padding:14px 18px;background:linear-gradient(rgba(0,0,0,.6),transparent);color:#fff}
.media-top b{display:block;font-size:18px;letter-spacing:.02em}
.media-top small{opacity:.85}
.media-avatar{width:44px;height:44px;border-radius:50%;background:#fff;padding:5px;object-fit:contain}
.media-info{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 14px;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;font-size:14px;font-weight:500}
.media-info span::before{content:"▸ ";color:var(--green-l)}

.services{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:70px}
.svc{background:#fff;border-radius:12px;padding:34px 22px 30px;text-align:center;box-shadow:0 8px 30px rgba(0,0,0,.05);position:relative;overflow:hidden;transition:.35s}
.svc::after{content:"";position:absolute;left:22px;bottom:0;width:40px;height:3px;background:var(--green-l);transition:.35s}
.svc:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(0,0,0,.1)}
.svc:hover::after{width:calc(100% - 44px)}
.svc-ico{width:62px;height:62px;margin:0 auto 18px;fill:none;stroke:var(--green-d);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.svc-ico .fill-bg{fill:#fff}
.svc h3{font-size:18px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:10px}
.svc p{color:var(--muted);font-size:14.5px}

/* section heads */
.eyebrow{display:flex;justify-content:center;align-items:center;gap:16px;color:var(--green);text-transform:uppercase;letter-spacing:.28em;font-size:13px;font-weight:700;margin-bottom:14px}
.eyebrow span{width:40px;height:1px;background:currentColor;opacity:.6}
.eyebrow.light{color:var(--green-l)}
.eyebrow.left{justify-content:flex-start}
.sec-title{text-align:center;font-size:clamp(28px,4vw,46px);font-weight:500;line-height:1.2}
.sec-title.left{text-align:left}
.sec-title.light{color:#fff}
.sec-sub{text-align:center;max-width:720px;margin:16px auto 0;color:var(--muted)}
.sec-sub.light{color:#9aa79c}

/* FOCUS */
.focus{background:radial-gradient(ellipse at top,#10301a,var(--dark) 70%);padding:100px 0}
.focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:56px}
.focus-card{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:4/5;display:block;color:#fff}
.focus-card img{width:100%;height:100%;object-fit:cover;transition:transform 1s}
.focus-card:hover img{transform:scale(1.06)}
.focus-card::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(0,0,0,.85))}
.focus-body{position:absolute;left:36px;right:36px;bottom:36px;z-index:1}
.focus-body small{color:var(--green-l);letter-spacing:.2em;text-transform:uppercase;font-weight:700;font-size:12px}
.focus-body h3{font-size:clamp(30px,3.4vw,42px);font-weight:500;margin:6px 0 8px}
.focus-body p{opacity:.85;font-size:14.5px;max-width:440px}
.btn-ghost{display:inline-block;margin-top:18px;border:1px solid rgba(255,255,255,.5);border-radius:40px;padding:12px 24px;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:rgba(0,0,0,.3);transition:.3s}
.focus-card:hover .btn-ghost{background:var(--green-l);color:#0b240f;border-color:var(--green-l)}

/* PORTFOLIO */
.portfolio{background:var(--sand);padding:100px 0}
.tabs{display:flex;justify-content:center;gap:8px;margin:30px 0 40px;flex-wrap:wrap}
.tab{border:1px solid #c9c4b4;background:transparent;border-radius:30px;padding:9px 20px;font-weight:600;font-size:13.5px;text-transform:uppercase;letter-spacing:.04em;transition:.25s}
.tab.active,.tab:hover{background:var(--green-d);color:#fff;border-color:var(--green-d)}
.pj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pj{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 6px 24px rgba(0,0,0,.06);display:flex;flex-direction:column;transition:.35s;animation:fadeUp .6s both}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.pj:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.12)}
.pj-img{aspect-ratio:4/3;overflow:hidden;position:relative}
.pj-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.pj:hover .pj-img img{transform:scale(1.08)}
.pj-tag{position:absolute;top:12px;left:12px;background:rgba(15,61,28,.85);color:#fff;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:4px}
.pj-val{position:absolute;bottom:12px;right:12px;background:var(--red);color:#fff;font-weight:700;font-size:13px;padding:5px 10px;border-radius:4px}
.pj-body{padding:22px 20px 24px;text-align:center;display:flex;flex-direction:column;flex:1}
.pj-body h3{font-size:19px;line-height:1.3;font-weight:700}
.pj-body hr{width:34px;border:0;border-top:2px solid #e3e0d6;margin:14px auto}
.pj-body p{font-size:14px;color:var(--muted);flex:1}
.btn-sm{margin:18px auto 0;border:1.5px solid var(--green-l);color:var(--green);background:transparent;border-radius:30px;padding:7px 18px;font-weight:700;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;transition:.25s}
.btn-sm:hover{background:var(--green-l);color:#0b240f}
.btn-gold{border:1.5px solid var(--green);color:var(--green);background:transparent;border-radius:40px;padding:13px 30px;font-weight:700;font-size:16px;transition:.25s}
.btn-gold:hover{background:var(--green);color:#fff}

/* QUOTE */
.quote{background:#020403;color:#fff;padding:90px 0;text-align:center;position:relative;overflow:hidden}
.quote::before{content:"";position:absolute;inset:0;background:url(img/hero.jpg) center/cover;opacity:.12}
.quote .container{position:relative}
.quote-text{font-style:italic;font-weight:700;font-size:clamp(20px,2.6vw,30px);max-width:980px;margin:0 auto}
.quote-brand{color:var(--green-l);letter-spacing:.3em;margin-top:22px;font-weight:600;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px}
.stat b{display:block;font-size:clamp(34px,4vw,52px);font-weight:800;color:#fff}
.stat span{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#a8b3aa}

/* CAPABILITY */
.capability{background:#fff;padding:100px 0}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:50px}
.cap{cursor:pointer;text-align:center}
.cap-img{aspect-ratio:4/3;overflow:hidden;border-radius:6px}
.cap-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.cap:hover .cap-img img{transform:scale(1.07)}
.cap h3{font-size:18px;line-height:1.35;margin:18px 0 8px}
.cap h3::after{content:"";display:block;width:34px;height:2px;background:#e3e0d6;margin:12px auto 0}
.cap p{font-size:14px;color:var(--muted)}
.btn-dark{border:2px solid var(--ink);background:transparent;border-radius:30px;padding:10px 26px;font-weight:700;text-transform:uppercase;font-size:15px;transition:.25s}
.btn-dark:hover{background:var(--ink);color:#fff}

/* AREAS */
.areas{background:#f1f2ee;padding:90px 0}
.areas .eyebrow{color:var(--green)}
.area-grid{display:flex;justify-content:center;flex-wrap:wrap;gap:40px 60px;margin-top:56px}
.area{position:relative;width:230px;height:230px;border-radius:50%;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.15)}
.area img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.area:hover img{transform:scale(1.12)}
.area span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:30px;text-shadow:0 2px 10px rgba(0,0,0,.6);background:rgba(0,0,0,.15);transition:.3s}
.area:hover span{background:rgba(15,61,28,.45)}

/* CONTACT */
.contact{background:var(--bg);padding:100px 0 0}
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:start}
.contact .sec-title{margin-bottom:14px}
.contact-list{list-style:none;margin-top:24px;display:grid;gap:12px}
.contact-list li{padding-left:16px;border-left:3px solid var(--green-l)}
.contact-list a{color:var(--green);font-weight:600}
.form{background:#fff;border-radius:var(--radius);padding:34px;box-shadow:0 20px 50px rgba(0,0,0,.08);display:grid;gap:14px}
.form h3{font-size:22px}
.form input,.form select,.form textarea{width:100%;padding:13px 14px;border:1px solid #dcd8cc;border-radius:8px;font:inherit;background:#fcfbf8}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--green-l);border-color:transparent}
.btn-green{background:var(--green);color:#fff;border:0;border-radius:8px;padding:15px;font-weight:700;font-size:16px;letter-spacing:.04em;transition:.25s}
.btn-green:hover{background:var(--green-d)}
.map{margin-top:80px;height:360px}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(.3)}

/* FOOTER */
.footer{background:var(--dark);color:#cfd6d0;padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-logo{height:70px;background:#fff;border-radius:10px;padding:6px 10px;margin-bottom:16px}
.footer h4{color:#fff;margin-bottom:14px;text-transform:uppercase;letter-spacing:.08em;font-size:14px}
.footer-grid a{display:block;margin-bottom:8px;font-size:14.5px;transition:.2s}
.footer-grid a:hover{color:var(--green-l)}
.muted-l{color:#8a958c;font-size:13.5px;margin-top:8px}
.copy{text-align:center;border-top:1px solid rgba(255,255,255,.08);margin-top:50px;padding:20px;font-size:13px;color:#8a958c}

/* FLOAT */
.float{position:fixed;right:18px;bottom:22px;display:grid;gap:12px;z-index:60}
.fl{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.fl svg{width:24px;height:24px}
.fl-zalo{background:#0068ff}
.fl-mail{background:var(--green)}
.fl-phone{background:var(--red);animation:ring 1.6s infinite}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(216,55,42,.6)}70%{box-shadow:0 0 0 16px rgba(216,55,42,0)}100%{box-shadow:0 0 0 0 rgba(216,55,42,0)}}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(5,15,8,.75);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-box{background:#fff;border-radius:16px;max-width:880px;width:100%;max-height:88vh;overflow:auto;position:relative;animation:fadeUp .35s}
.modal-x{position:sticky;top:10px;float:right;margin:10px 10px 0 0;width:40px;height:40px;border-radius:50%;border:0;background:#f0eee7;font-size:26px;line-height:1;z-index:2}
.m-hero{aspect-ratio:16/7;overflow:hidden}
.m-hero img{width:100%;height:100%;object-fit:cover}
.m-body{padding:28px 32px 34px}
.m-body h2{font-size:26px;line-height:1.25;margin-bottom:6px}
.m-body h4{margin:22px 0 10px;color:var(--green);text-transform:uppercase;letter-spacing:.06em;font-size:14px}
.m-body p{color:#333;margin-bottom:10px}
.m-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.m-tabs button{border:1px solid #d6d2c5;background:#fff;border-radius:30px;padding:7px 16px;font-weight:600;font-size:13px}
.m-tabs button.active{background:var(--green-d);color:#fff;border-color:var(--green-d)}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{border-bottom:1px solid #ece9e0;padding:9px 10px;text-align:left}
.tbl th{background:#f4f2ea;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
.tbl td.num{text-align:right;white-space:nowrap}
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:10px}
.kv div{background:#f6f4ee;border-radius:8px;padding:12px 14px}
.kv small{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.kv b{font-size:15.5px}

/* RESPONSIVE */
@media (max-width:1100px){
  .pill span{display:none}.pill{padding:10px}
  .nav-menu{gap:18px}
  .pj-grid,.cap-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .burger{display:flex}
  .nav-inner{height:64px}
  .nav-logo img{height:44px}
  .nav-menu{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:rgba(10,22,13,.98);padding:8px 20px 20px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:.3s}
  .nav-menu.open{opacity:1;visibility:visible;transform:none}
  .nav-menu a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-menu a::after{display:none}
  .nav-right{margin-left:auto}
  .intro-grid,.contact-grid,.focus-grid{grid-template-columns:1fr}
  .services{grid-template-columns:repeat(2,1fr);gap:16px}
  .stats{grid-template-columns:repeat(2,1fr);gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .focus-card{aspect-ratio:4/4.4}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .hero{height:72vh;max-height:600px}
  .hero-badge{left:16px;right:16px}
  .pill-2{display:none}
  .intro{padding:60px 0 40px}
  .media-info{grid-template-columns:1fr;font-size:12.5px}
  .services{grid-template-columns:1fr}
  .pj-grid,.cap-grid{grid-template-columns:1fr}
  .focus,.portfolio,.capability,.areas{padding:70px 0}
  .focus-body{left:22px;right:22px;bottom:22px}
  .area{width:150px;height:150px}.area span{font-size:20px}
  .area-grid{gap:24px}
  .footer-grid{grid-template-columns:1fr}
  .m-body{padding:22px 18px 26px}
  .kv{grid-template-columns:1fr}
  .form{padding:24px 18px}
}