:root{--p:#00331b;--ph:#004d29;--pm:#1a5c3a;--s:#bad875;--sd:#8aab5a;--sl:#d4e8a8;--cr:#f0f7e4;--cr2:#e8f5d6;--bg:#fff;--bg2:#f9faf7;--bg3:#f4f7f0;--tx:#2c2c2c;--txl:#555;--txr:#888;--bd:#e2e8d9;--bdl:#eef2e8;--w:#fff;--sh:rgba(0,51,27,.05);--sh2:rgba(0,51,27,.1);--fh:'Playfair Display',Georgia,serif;--fb:'Be Vietnam Pro','Segoe UI',sans-serif;--mw:1200px;--r:12px;--rs:8px}
*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--fb);background:var(--bg);color:var(--tx);overflow-x:hidden;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}
.w{max-width:var(--mw);margin:0 auto;padding:0 1.5rem}.ctr{text-align:center}
h1,h2,h3,h4,h5{font-family:var(--fh);color:var(--p);line-height:1.15;margin:0}
.tag{display:inline-block;font-size:.6875rem;text-transform:uppercase;letter-spacing:3px;color:var(--p);font-weight:700;padding:.35rem 1rem;background:var(--cr);border-radius:100px;margin-bottom:.875rem}
.h1{font-size:clamp(2.25rem,5.5vw,3.25rem);font-weight:800}
.h2{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700}
.h3{font-size:clamp(1.25rem,2.5vw,1.5rem);font-weight:700}
.desc{font-size:1rem;color:var(--txl);line-height:1.75;max-width:640px;margin-bottom:2.5rem}
.desc-c{margin-left:auto;margin-right:auto}
.green{color:var(--sd)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;font-size:.9375rem;font-weight:600;text-decoration:none;border-radius:var(--rs);transition:all .3s;font-family:var(--fb);cursor:pointer;border:none;letter-spacing:.2px}
.btn-p{background:var(--p);color:var(--w)}.btn-p:hover{background:var(--ph);transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,51,27,.18)}
.btn-s{background:var(--s);color:var(--p);font-weight:700}.btn-s:hover{background:var(--sl);transform:translateY(-2px);box-shadow:0 8px 28px rgba(186,216,117,.25)}
.btn-o{background:transparent;color:var(--p);border:1.5px solid var(--bd)}.btn-o:hover{border-color:var(--p);background:var(--cr)}
.btn-w{background:rgba(255,255,255,.15);color:var(--w);border:1px solid rgba(255,255,255,.25)}.btn-w:hover{background:rgba(255,255,255,.25)}
.btn-sm{padding:.5rem 1.25rem;font-size:.8125rem}

/* FLOATING CTA */
.flt{position:fixed;bottom:1.5rem;right:1.5rem;z-index:1000;display:flex;flex-direction:column;gap:.625rem}
.flt a{display:flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:50%;background:var(--p);color:var(--w);text-decoration:none;font-size:1.2rem;box-shadow:0 4px 16px rgba(0,51,27,.22);transition:all .3s}
.flt a:hover{transform:scale(1.1)}
.flt .flt-main{width:56px;height:56px;font-size:1.4rem;background:var(--s);color:var(--p)}

/* HEADER */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:all .3s}
header.sc{box-shadow:0 2px 24px var(--sh);padding:.5rem 0}
.hd{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:.75rem;text-decoration:none}
.logo-mark{width:40px;height:40px;background:var(--cr);border-radius:var(--rs);display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:800;color:var(--p);font-family:var(--fh)}
.logo-t{font-family:var(--fh);font-size:.9375rem;font-weight:700;color:var(--p);line-height:1.25}
.logo-t small{display:block;font-family:var(--fb);font-size:.625rem;font-weight:500;color:var(--txr);letter-spacing:1px;text-transform:uppercase;margin-top:1px}
.nav{display:flex;align-items:center;gap:1.5rem}
.nav a{color:var(--txl);text-decoration:none;font-size:.8125rem;font-weight:500;transition:color .3s;letter-spacing:.2px}
.nav a:hover{color:var(--p)}
.nav-drop{position:relative}
.nav-drop:hover .mega{opacity:1;pointer-events:all;transform:translateY(0)}
.mega{position:absolute;top:100%;left:-120px;width:520px;padding:1.5rem;background:var(--w);border:1px solid var(--bdl);border-radius:var(--r);box-shadow:0 16px 48px var(--sh2);opacity:0;pointer-events:none;transform:translateY(8px);transition:all .25s;margin-top:.75rem;display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.mega::before{content:'';position:absolute;top:-8px;left:50%;width:16px;height:16px;background:var(--w);border-top:1px solid var(--bdl);border-left:1px solid var(--bdl);transform:translateX(-50%) rotate(45deg)}
.mega-item{display:flex;gap:.75rem;padding:.75rem;border-radius:var(--rs);transition:background .2s;text-decoration:none}
.mega-item:hover{background:var(--cr)}
.mega-icon{width:2.25rem;height:2.25rem;display:flex;align-items:center;justify-content:center;background:var(--cr);border-radius:6px;font-size:1rem;flex-shrink:0}
.mega-item:hover .mega-icon{background:var(--cr2)}
.mega-item h5{font-family:var(--fb);font-size:.8125rem;font-weight:600;color:var(--p);margin-bottom:2px}
.mega-item p{font-size:.6875rem;color:var(--txr);line-height:1.4}
.mega-foot{grid-column:1/-1;padding-top:.75rem;border-top:1px solid var(--bdl);display:flex;align-items:center;justify-content:space-between;font-size:.75rem;color:var(--txr)}
.mega-foot a{color:var(--p);font-weight:600;text-decoration:none;font-size:.75rem}

/* SECTIONS */
.sec{padding:5.5rem 0;position:relative}
.sec-w{background:var(--bg)}.sec-l{background:var(--bg2)}.sec-cr{background:var(--bg3)}
.sec-dk{background:var(--p);color:var(--w)}
.sec-dk h2,.sec-dk h3{color:var(--w)}
.sec-dk .tag{background:rgba(186,216,117,.15);color:var(--s)}
.sec-dk .desc{color:rgba(255,255,255,.65)}

/* ============ S1: HERO ============ */
.hero{padding:7.5rem 0 5rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 75% 0%,rgba(186,216,117,.1) 0%,transparent 50%),radial-gradient(ellipse at 0% 100%,rgba(0,51,27,.03) 0%,transparent 50%)}
.hero-g{display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.375rem 1rem;border-radius:100px;font-size:.6875rem;font-weight:600;background:var(--cr);color:var(--p);margin-bottom:1.25rem;border:1px solid var(--cr2);letter-spacing:.5px;text-transform:uppercase}
.hero h1{margin-bottom:1.25rem}
.hero h1 em{font-style:normal;position:relative;color:var(--p)}
.hero h1 em::after{content:'';position:absolute;bottom:4px;left:0;width:100%;height:7px;background:var(--s);opacity:.4;border-radius:4px;z-index:-1}
.hero-p{font-size:1.0625rem;line-height:1.8;color:var(--txl);margin-bottom:2rem;max-width:500px}
.hero-stats{display:flex;gap:2.25rem;margin-bottom:2.25rem;padding:1.5rem 0;border-top:1px solid var(--bdl);border-bottom:1px solid var(--bdl)}
.st-n{font-family:var(--fh);font-size:2.5rem;font-weight:800;color:var(--p);display:block;line-height:1}
.st-l{font-size:.75rem;color:var(--txr);margin-top:.25rem;line-height:1.4}
.hero-btns{display:flex;gap:.75rem;flex-wrap:wrap}
/* Hero visual */
.hero-vis{position:relative}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:.625rem}
.h-img{border-radius:var(--r);overflow:hidden;aspect-ratio:3/4;position:relative;background:var(--bg3);border:1px solid var(--bdl)}
.h-img:nth-child(2){margin-top:2rem}
.h-img-in{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:1.5rem;text-align:center;background:linear-gradient(150deg,var(--cr),var(--bg3))}
.h-img-in .emoji{font-size:2.75rem;margin-bottom:.75rem}
.h-img-in p{font-size:.8125rem;color:var(--p);font-weight:500;line-height:1.4}
.h-img-in p span{color:var(--txr);font-weight:400}
.h-label{position:absolute;bottom:0;left:0;right:0;padding:.75rem 1rem;background:linear-gradient(transparent,rgba(0,51,27,.88));font-size:.6875rem;color:var(--w);font-weight:500;letter-spacing:.3px}
.hero-float-badge{position:absolute;top:1.25rem;right:-1rem;background:var(--s);color:var(--p);font-size:.625rem;font-weight:700;padding:.375rem .75rem;border-radius:100px;box-shadow:0 4px 12px rgba(0,0,0,.1);letter-spacing:.5px;text-transform:uppercase;z-index:3}

/* ============ S2: HUB NGÀNH ============ */
.hub-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.hub-card{position:relative;padding:2rem 1.5rem 1.5rem;background:var(--bg);border-radius:var(--r);border:1px solid var(--bdl);transition:all .4s;overflow:hidden;text-decoration:none;display:block}
.hub-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--p),var(--s));opacity:0;transition:opacity .35s}
.hub-card:hover{border-color:var(--s);transform:translateY(-6px);box-shadow:0 16px 40px var(--sh2)}
.hub-card:hover::before{opacity:1}
.hub-icon{width:3.5rem;height:3.5rem;display:flex;align-items:center;justify-content:center;background:var(--cr);border-radius:var(--r);font-size:1.5rem;margin-bottom:1rem;transition:background .3s}
.hub-card:hover .hub-icon{background:var(--cr2)}
.hub-card h3{font-family:var(--fb);font-size:1.0625rem;font-weight:700;color:var(--p);margin-bottom:.5rem}
.hub-card p{font-size:.8125rem;color:var(--txl);line-height:1.6;margin-bottom:1rem}
.hub-link{font-size:.8125rem;font-weight:600;color:var(--sd);display:inline-flex;align-items:center;gap:.375rem;transition:color .3s}
.hub-card:hover .hub-link{color:var(--p)}
.hub-tag{position:absolute;top:.875rem;right:.875rem;font-size:.5625rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--sd);background:var(--cr);padding:.25rem .5rem;border-radius:4px}

/* ============ S3: WHY TNP ============ */
.why-g{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.why-c{padding:1.75rem 1.5rem;background:var(--bg);border-radius:var(--r);border:1px solid var(--bdl);transition:all .3s;text-align:center}
.why-c:hover{border-color:var(--s);box-shadow:0 8px 24px var(--sh)}
.why-ic{width:3rem;height:3rem;display:flex;align-items:center;justify-content:center;background:var(--cr);border-radius:var(--rs);font-size:1.25rem;margin:0 auto 1rem}
.why-c h4{font-family:var(--fb);font-size:.9375rem;font-weight:600;color:var(--p);margin-bottom:.375rem}
.why-c p{font-size:.8125rem;color:var(--txl);line-height:1.6}

/* ============ S4: NUMBERS ============ */
.num-g{display:grid;grid-template-columns:repeat(5,1fr);gap:1.5rem;text-align:center}
.num-v{font-family:var(--fh);font-size:2.75rem;font-weight:800;color:var(--w);display:block;line-height:1}
.num-l{font-size:.8125rem;color:rgba(255,255,255,.6);margin-top:.375rem;line-height:1.4}

/* ============ S5: SERVICES ============ */
.svc-g{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.svc-c{padding:2rem 1.25rem;background:var(--bg);border-radius:var(--r);border:1px solid var(--bdl);text-align:center;transition:all .35s;position:relative}
.svc-c:hover{border-color:var(--p);transform:translateY(-4px);box-shadow:0 12px 32px var(--sh2)}
.svc-step{font-size:.6875rem;color:var(--sd);font-weight:700;letter-spacing:2px;margin-bottom:.875rem;text-transform:uppercase}
.svc-ic{font-size:2rem;margin-bottom:.75rem}
.svc-c h4{font-family:var(--fb);font-size:.9375rem;font-weight:600;color:var(--p);margin-bottom:.375rem}
.svc-c p{font-size:.8125rem;color:var(--txl);line-height:1.6}
.svc-arrow{display:none;position:absolute;right:-14px;top:50%;transform:translateY(-50%);color:var(--bd);font-size:1.25rem}

/* ============ S6: PORTFOLIO ============ */
.port-g{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.port-c{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:var(--bg3);border:1px solid var(--bdl);transition:all .35s}
.port-c:hover{box-shadow:0 12px 32px var(--sh2);transform:translateY(-4px)}
.port-bg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,var(--cr),var(--bg2))}
.port-bg .emoji{font-size:3.5rem}
.port-ov{position:absolute;inset:0;background:linear-gradient(transparent 45%,rgba(0,51,27,.92));display:flex;flex-direction:column;justify-content:flex-end;padding:1.25rem}
.port-tag{font-size:.5625rem;text-transform:uppercase;letter-spacing:2px;color:var(--s);font-weight:700;margin-bottom:.25rem}
.port-ov h4{font-family:var(--fb);font-size:.9375rem;font-weight:600;color:var(--w)}
.port-ov p{font-size:.75rem;color:rgba(255,255,255,.65);margin-top:.125rem}

/* ============ S7: ECOSYSTEM ============ */
.eco-g{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.eco-c{padding:1.5rem 1.25rem;background:var(--bg);border-radius:var(--r);border:1px solid var(--bdl);text-align:center;transition:all .3s}
.eco-c:hover{border-color:var(--s)}
.eco-c h5{font-family:var(--fb);font-size:.8125rem;font-weight:700;color:var(--p);margin-bottom:.25rem}
.eco-c p{font-size:.6875rem;color:var(--txr);line-height:1.5}

/* ============ S8: TESTIMONIAL ============ */
.tst{max-width:760px;margin:0 auto;text-align:center;padding:2.5rem;background:var(--bg);border-radius:var(--r);border:1px solid var(--bdl);position:relative;box-shadow:0 4px 24px var(--sh)}
.tst::before{content:'\201C';font-family:var(--fh);font-size:5rem;color:var(--s);opacity:.35;position:absolute;top:0;left:1.5rem;line-height:1}
.tst blockquote{font-size:1rem;line-height:1.8;color:var(--txl);font-style:italic;position:relative;z-index:2;margin:0 0 1.25rem}
.tst-n{font-weight:600;font-size:.875rem;color:var(--p)}
.tst-r{font-size:.75rem;color:var(--sd);margin-top:.125rem}

/* ============ S9: CLIENT LOGOS ============ */
.logos{display:flex;justify-content:center;align-items:center;gap:3rem;flex-wrap:wrap;opacity:.55}
.logos span{font-family:var(--fb);font-size:.9375rem;font-weight:700;color:var(--txl);letter-spacing:1px;white-space:nowrap}

/* ============ S10: CASE STUDY + NEWS ============ */
.cs-g{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.cs-col h3{font-family:var(--fb);font-size:1rem;font-weight:700;color:var(--p);margin-bottom:1.25rem;display:flex;align-items:center;gap:.5rem}
.cs-item{padding:1.25rem;background:var(--bg);border-radius:var(--r);border:1px solid var(--bdl);margin-bottom:.75rem;transition:all .3s;text-decoration:none;display:block}
.cs-item:hover{border-color:var(--s);box-shadow:0 4px 16px var(--sh)}
.cs-item h4{font-family:var(--fb);font-size:.875rem;font-weight:600;color:var(--p);margin-bottom:.375rem}
.cs-item p{font-size:.75rem;color:var(--txr);line-height:1.5}
.cs-meta{display:flex;gap:.75rem;margin-top:.5rem}
.cs-badge{font-size:.5625rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;padding:.2rem .5rem;border-radius:4px;background:var(--cr);color:var(--sd)}

/* ============ S11: PROCESS ============ */
.proc{display:flex;position:relative;margin-top:2.5rem}
.proc::before{content:'';position:absolute;top:2rem;left:8%;right:8%;height:2px;background:linear-gradient(to right,var(--p),var(--bd))}
.proc-s{flex:1;text-align:center;position:relative;padding:0 .375rem}
.proc-n{font-family:var(--fh);font-size:1.5rem;font-weight:800;color:var(--bdl)}
.proc-dot{width:1.125rem;height:1.125rem;border-radius:50%;background:var(--p);margin:.25rem auto 1rem;position:relative;z-index:2;box-shadow:0 0 0 4px var(--bg3),0 0 0 6px var(--p)}
.proc-s h4{font-family:var(--fb);font-size:.8125rem;font-weight:600;color:var(--p);margin-bottom:.25rem}
.proc-s p{font-size:.6875rem;color:var(--txr);line-height:1.45}

/* ============ S12: CTA ============ */
.cta-sec{padding:5.5rem 0;text-align:center;position:relative;overflow:hidden;background:var(--p)}
.cta-sec::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 30% 50%,rgba(186,216,117,.08) 0%,transparent 50%),radial-gradient(ellipse at 70% 50%,rgba(0,77,41,.12) 0%,transparent 50%)}
.cta-in{position:relative;z-index:2;max-width:620px;margin:0 auto}
.cta-sec h2{color:var(--w)}.cta-sec .green{color:var(--s)}
.cta-row{display:flex;gap:.5rem;max-width:480px;margin:0 auto .5rem}
.cta-row input,.cta-row select{flex:1;padding:.8rem 1rem;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--rs);color:var(--w);font-size:.8125rem;font-family:var(--fb);outline:none;transition:border-color .3s}
.cta-row input:focus,.cta-row select:focus{border-color:var(--s)}
.cta-row input::placeholder{color:rgba(255,255,255,.45)}
.cta-row select{color:rgba(255,255,255,.55);-webkit-appearance:none;appearance:none}
.cta-row select option{color:var(--tx);background:var(--w)}
.cta-trust{font-size:.6875rem;color:rgba(255,255,255,.4);margin-top:.875rem}
.cta-trust strong{color:var(--s)}

/* FOOTER */
footer{padding:3.5rem 0 1.25rem;background:var(--bg2);border-top:1px solid var(--bdl)}
.ft-g{display:grid;grid-template-columns:2.5fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:2rem}
.ft-about p{font-size:.8125rem;color:var(--txl);line-height:1.65;margin-top:.75rem}
footer h5{font-family:var(--fb);font-size:.6875rem;font-weight:700;margin-bottom:.75rem;color:var(--p);text-transform:uppercase;letter-spacing:1.5px}
footer a{display:block;font-size:.8125rem;color:var(--txl);text-decoration:none;margin-bottom:.5rem;transition:color .3s}
footer a:hover{color:var(--p)}
.ft-bot{text-align:center;padding-top:1.25rem;border-top:1px solid var(--bdl);font-size:.6875rem;color:var(--txr)}

/* REVEAL */
.rv{opacity:0;transform:translateY(20px);transition:opacity .55s ease,transform .55s ease}.rv.vis{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:1024px){.hero-g{grid-template-columns:1fr}.hero-vis{display:none}.hub-grid{grid-template-columns:1fr 1fr}.why-g,.svc-g{grid-template-columns:repeat(2,1fr)}.num-g{grid-template-columns:repeat(3,1fr)}.port-g{grid-template-columns:1fr 1fr}.eco-g{grid-template-columns:repeat(2,1fr)}.cs-g{grid-template-columns:1fr}.proc{flex-direction:column;gap:.875rem}.proc::before{display:none}.ft-g{grid-template-columns:1fr 1fr}.nav a:not(.btn){display:none}.mega{display:none}}
@media(max-width:640px){.h1{font-size:2rem}.h2{font-size:1.5rem}.hero-stats{flex-direction:column;gap:1rem}.hero-btns{flex-direction:column}.hub-grid,.why-g,.svc-g,.eco-g{grid-template-columns:1fr}.num-g{grid-template-columns:repeat(2,1fr)}.port-g{grid-template-columns:1fr}.cta-row{flex-direction:column}.ft-g{grid-template-columns:1fr}.sec{padding:3.5rem 0}}