/* =========================================================
   HQV — Design system v1.2 (LOCKED, xem .claude/rules/01-design-system.md)
   Màu lấy mẫu từ logo HQV-LOGO-01b · Montserrat (tiêu đề) + Roboto (thân bài)
   ========================================================= */
:root{
  --green-950:#04210F;
  --green-900:#062A14;
  --green-700:#0B4A26;   /* PRIMARY */
  --green-500:#1F6B3A;
  --green-100:#E8F0EA;
  --gold:#D4A02C;        /* ACCENT ONLY */
  --gold-light:#EBC766;
  --red:#B3121B;         /* CTA */
  --red-dark:#8E0E15;
  --cream:#F6F4EE;
  --paper:#FFFFFF;
  --ink:#1A1F1B;
  --muted:#5A6359;
  --line:#E1DFD6;
  --radius:4px;
  --wrap:1200px;
  --gap:24px;
  --font-head:"Montserrat","Segoe UI",Arial,sans-serif;
  --font-body:"Roboto","Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.7 var(--font-body)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--font-head);font-weight:700;line-height:1.25;letter-spacing:0}
p{margin:0 0 14px}
.wrap{width:min(var(--wrap),calc(100% - 40px));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--green-950);padding:8px 14px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* ---------- Top bar ---------- */
.topbar{background:var(--green-950);color:#CFDAD1;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:16px}
.topbar a{text-decoration:none;color:var(--gold-light);font-weight:700}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(0,0,0,.04)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:80px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:80px;height:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font:800 18px var(--font-head);color:var(--green-700);letter-spacing:.5px}
.brand-text small{font-size:12px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:2px}
.nav a{text-decoration:none;font:600 14px var(--font-head);padding:10px 14px;border-radius:var(--radius);color:var(--ink);text-transform:uppercase;letter-spacing:.3px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--green-700);background:var(--green-100)}
.nav .btn{margin-left:10px;color:#fff}
.nav-toggle{display:none;background:var(--green-700);color:#fff;border:0;border-radius:var(--radius);width:44px;height:44px;font-size:22px;cursor:pointer}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:var(--radius);border:2px solid transparent;font:700 14px/1 var(--font-head);text-transform:uppercase;letter-spacing:.4px;text-decoration:none;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-green{background:var(--green-700);color:#fff}
.btn-green:hover{background:var(--green-900)}
.btn-ghost{border-color:rgba(255,255,255,.75);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--green-900)}

/* ---------- Hero (ảnh nền + mảng chéo) ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--green-900);min-height:600px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center right}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,var(--green-900) 0%,rgba(6,42,20,.96) 40%,rgba(6,42,20,.55) 62%,rgba(6,42,20,.15) 100%);z-index:1}
.hero::after{content:"";position:absolute;top:0;bottom:0;left:56%;width:14px;background:var(--red);transform:skewX(-18deg);box-shadow:10px 0 0 var(--gold);z-index:1;opacity:.95}
.hero .wrap{position:relative;z-index:2;padding:88px 0}
.hero-text{max-width:600px}
.eyebrow{display:block;font:700 13px var(--font-head);letter-spacing:1.5px;text-transform:uppercase;color:var(--green-500);margin-bottom:14px}
.hero .eyebrow,.dark .eyebrow,.contact .eyebrow{color:var(--gold-light)}
.hero h1{font:800 clamp(34px,4.6vw,56px)/1.15 var(--font-head);margin:0 0 22px}
.hero h1 span{display:block;color:var(--gold-light)}
.hero .lead{font-size:18px;line-height:1.7;color:#DCE6DE;margin:0 0 32px;max-width:540px}
.actions{display:flex;gap:14px;flex-wrap:wrap}
.img-note{position:absolute;right:16px;bottom:12px;z-index:2;font-size:11px;color:rgba(255,255,255,.7);letter-spacing:.3px}

/* ---------- Page hero (trang con) ---------- */
.page-hero{background:linear-gradient(120deg,var(--green-900),var(--green-700));color:#fff;padding:72px 0 64px;position:relative}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--gold)}
.page-hero h1{font:800 clamp(30px,4vw,46px)/1.2 var(--font-head);margin-bottom:14px}
.page-hero p{max-width:720px;color:#D7E1D8;font-size:17px;margin:0}
.crumbs{font-size:13px;color:#BFD0C2;margin-bottom:14px}
.crumbs a{color:var(--gold-light);text-decoration:none}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section.tint{background:var(--cream)}
.section.dark{background:var(--green-700);color:#E7EEE8}
.section.featured{background:var(--green-900)}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-head h2{font:800 clamp(26px,3vw,36px)/1.25 var(--font-head);color:var(--green-700);text-transform:uppercase;margin:0}
.dark .section-head h2{color:#fff}
.section-head p{color:var(--muted);font-size:17px;margin:16px auto 0;max-width:640px}
.dark .section-head p{color:#C9D7CC}
.rule{display:block;width:64px;height:3px;background:var(--gold);margin:18px auto 0}
.rule.left{margin:16px 0 22px}

/* ---------- Commitment strip ---------- */
.strip{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.05);position:relative;z-index:3}
.strip .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.strip .wrap>div{display:flex;gap:16px;align-items:center;padding:28px 24px;border-right:1px solid var(--line)}
.strip .wrap>div:last-child{border-right:0}
.strip .ico{width:40px;height:40px;color:var(--green-700);flex:0 0 auto}
.strip p{margin:0;line-height:1.5}
.strip b{display:block;font:700 15px var(--font-head);color:var(--green-700);margin-bottom:3px}
.strip span{font-size:14px;color:var(--muted)}
.ico{width:40px;height:40px;flex:0 0 auto}

/* ---------- Services ---------- */
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.svc{display:flex;flex-direction:column;background:var(--green-700);color:#E4ECE6;border-radius:var(--radius);overflow:hidden;box-shadow:0 12px 30px rgba(11,74,38,.12);transition:transform .25s,box-shadow .25s}
.svc:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(11,74,38,.2)}
.svc-media{aspect-ratio:4/3;overflow:hidden;background:var(--green-900)}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.svc:hover .svc-media img{transform:scale(1.05)}
.svc-body{display:flex;flex-direction:column;flex:1;padding:24px;border-top:3px solid var(--gold)}
.svc-head{display:flex;gap:12px;align-items:center;min-height:52px;margin-bottom:14px}
.svc-head .ico{width:34px;height:34px;color:var(--gold-light)}
.svc h3{font:700 17px/1.35 var(--font-head);color:#fff;margin:0}
.svc ul{margin:0 0 20px;padding-left:18px;font-size:14.5px;line-height:1.6;color:#D3E0D6}
.svc li{margin-bottom:6px}
.svc a{margin-top:auto;font:700 13px var(--font-head);text-transform:uppercase;letter-spacing:.4px;color:var(--gold-light);text-decoration:none}
.svc a:hover{color:#fff}
.services-note{text-align:center;font-size:13px;color:var(--muted);margin:22px 0 0}

/* ---------- Project ---------- */
.project{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;background:var(--green-100)}
.gallery img{width:100%;aspect-ratio:3/4;object-fit:cover}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 12px 10px;font-size:12.5px;color:#fff;background:linear-gradient(transparent,rgba(4,33,15,.88))}
.gallery.wide{grid-template-columns:repeat(4,1fr)}
.featured .gallery figure{border:1px solid rgba(212,160,44,.4)}
.project-info h3{font:700 24px/1.35 var(--font-head);color:var(--green-700);margin:0 0 6px}
.featured .project-info h3{color:#fff}
.status{display:inline-flex;align-items:center;gap:8px;font:700 12px var(--font-head);text-transform:uppercase;letter-spacing:.4px;color:var(--green-700);background:var(--green-100);padding:6px 12px;border-radius:30px;margin-bottom:16px}
.status::before{content:"";width:8px;height:8px;border-radius:50%;background:#22A04F}
.featured .status{background:rgba(255,255,255,.1);color:#fff}
.spec{width:100%;border-collapse:collapse;margin:18px 0 18px;font-size:15px}
.spec th,.spec td{text-align:left;padding:12px 0;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.55}
.spec th{width:32%;color:var(--muted);font-weight:500}
.featured .spec th{color:#9FB5A4}
.featured .spec td{color:#E7EEE8}
.featured .spec th,.featured .spec td{border-color:rgba(255,255,255,.14)}
.note-real{font-size:13px;color:#9FB5A4;margin:0 0 22px}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-media{position:relative;padding:18px}
.about-media::before{content:"";position:absolute;left:0;top:0;width:45%;height:45%;background:var(--red);clip-path:polygon(0 0,100% 0,0 100%)}
.about-media::after{content:"";position:absolute;right:0;bottom:0;width:55%;height:55%;border-right:3px solid var(--gold);border-bottom:3px solid var(--gold)}
.about-logo{position:relative;z-index:1;background:radial-gradient(circle at 30% 25%,var(--green-500),var(--green-950));aspect-ratio:5/4;display:flex;align-items:center;justify-content:center;border-radius:var(--radius)}
.about-logo img{width:72%}
.about-legal{font:700 15px var(--font-head);color:var(--green-700);letter-spacing:.3px}
.about-name{font:800 clamp(30px,3.4vw,42px)/1.2 var(--font-head);color:var(--red);margin:4px 0 0}
.about-body p{color:var(--muted);max-width:560px}
.about-body .btn{margin-top:10px}
.about-facts{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.about-facts li{display:flex;flex-direction:column;align-items:center;text-align:center;padding:28px 16px;border-right:1px solid var(--line)}
.about-facts li:last-child{border-right:0}
.about-facts .ico{width:36px;height:36px;color:var(--green-700);margin-bottom:10px}
.about-facts b{font:800 22px var(--font-head);color:var(--ink)}
.about-facts span{font-size:13.5px;color:var(--muted);margin-top:2px}

/* ---------- Process ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;padding:0;margin:0;counter-reset:step}
.process li{list-style:none;text-align:center;padding:0 14px;position:relative}
.process li::before{counter-increment:step;content:counter(step,decimal-leading-zero);display:flex;align-items:center;justify-content:center;width:56px;height:56px;margin:0 auto 18px;border-radius:50%;border:2px solid var(--gold);color:var(--gold-light);font:700 16px var(--font-head);background:var(--green-700);position:relative;z-index:1}
.process li::after{content:"";position:absolute;top:28px;left:calc(50% + 28px);right:calc(-50% + 28px);height:1px;background:rgba(212,160,44,.45)}
.process li:last-child::after{display:none}
.process b{display:block;font:700 16px var(--font-head);color:#fff;margin-bottom:8px}
.process span{display:block;font-size:14px;line-height:1.6;color:#D2E0D5}

/* ---------- Split / lists / cards ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split h2{font:800 clamp(24px,2.8vw,32px)/1.3 var(--font-head)!important;text-transform:uppercase}
.checklist{list-style:none;padding:0;margin:0 0 26px}
.checklist li{position:relative;padding:12px 0 12px 34px;border-bottom:1px solid var(--line);line-height:1.6}
.checklist li::before{content:"";position:absolute;left:4px;top:19px;width:14px;height:8px;border-left:3px solid var(--green-700);border-bottom:3px solid var(--green-700);transform:rotate(-45deg)}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--green-700);border-radius:var(--radius);padding:28px}
.card h3{font:700 17px/1.4 var(--font-head);color:var(--green-700);margin-bottom:10px}
.card p{font-size:15px;color:var(--muted);margin:0;line-height:1.65}
.pain .card{border-top-color:var(--red)}
.pain .card h3{color:var(--ink)}
.legal-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:15px}
.legal-table th,.legal-table td{padding:14px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;line-height:1.55}
.legal-table th{width:36%;background:var(--green-700);color:#fff;font-weight:500;border-bottom-color:rgba(255,255,255,.15)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--red);color:#fff;padding:48px 0}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{font:800 clamp(20px,2.4vw,28px)/1.3 var(--font-head);text-transform:uppercase}
.cta-band p{margin:8px 0 0;color:#FBDADC}
.cta-band .btn{background:#fff;color:var(--red);flex:0 0 auto}

/* ---------- Contact / form ---------- */
.contact{background:var(--green-900);color:#E7EEE8}
.contact .wrap{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.contact h2{font:800 clamp(26px,3vw,36px)/1.25 var(--font-head);color:#fff;text-transform:uppercase;margin-bottom:16px}
.contact p{color:#C9D7CC}
.contact-info{list-style:none;padding:0;margin:30px 0 0}
.contact-info li{padding:16px 0;border-top:1px solid rgba(255,255,255,.12);font-size:15px;line-height:1.6}
.contact-info span{display:block;font:700 12px var(--font-head);letter-spacing:1.2px;text-transform:uppercase;color:var(--gold-light);margin-bottom:4px}
.contact-info a{color:#fff;font:700 20px var(--font-head);text-decoration:none}
.form{background:#fff;color:var(--ink);border-radius:var(--radius);padding:36px;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.form h3{font:700 20px var(--font-head);color:var(--green-700);margin-bottom:6px}
.form .note{font-size:14px;color:var(--muted);margin-bottom:22px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;font-size:14px;font-weight:500}
.field input,.field select,.field textarea{font:400 16px var(--font-body);padding:12px 14px;border:1px solid #CDD1C8;border-radius:var(--radius);background:#FBFBF9;color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green-700);box-shadow:0 0 0 3px rgba(11,74,38,.15)}
.req{color:var(--red)}
.hp{position:absolute!important;left:-5000px!important;width:1px;height:1px;overflow:hidden}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.55;color:var(--muted);margin:4px 0 20px}
.consent input{width:18px;height:18px;margin-top:2px;flex:0 0 auto;accent-color:var(--green-700)}
.consent a{color:var(--green-700);font-weight:500}
.form .btn{width:100%}
.form-status{margin-top:14px;padding:12px 14px;border-radius:var(--radius);font-size:14px;display:none}
.form-status.ok{display:block;background:#E5F3E9;color:#0B4A26;border:1px solid #9CCBAA}
.form-status.err{display:block;background:#FBE9EA;color:#8E0E15;border:1px solid #EBB2B5}
.form-status.wait{display:block;background:var(--cream);color:var(--muted);border:1px solid var(--line)}

/* ---------- Prose ---------- */
.prose{max-width:820px;margin-inline:auto}
.prose h2{font:700 20px var(--font-head);color:var(--green-700);margin:36px 0 12px}
.prose ul{padding-left:20px}
.prose li{margin-bottom:6px}
.prose .meta{font-size:14px;color:var(--muted);border-left:3px solid var(--gold);padding-left:14px}

/* ---------- Footer ---------- */
.footer{background:var(--green-950);color:#AFC0B2;font-size:14px;padding:64px 0 0;line-height:1.65}
.foot-grid{display:grid;grid-template-columns:1.1fr 1.5fr 1fr 1fr;gap:48px;align-items:start}
.footer .logo{width:170px;margin-bottom:16px}
.foot-slogan{font:600 15px/1.5 var(--font-head);color:var(--gold-light);margin:0;max-width:200px}
.footer h4{font:700 14px var(--font-head);color:#fff;letter-spacing:1px;text-transform:uppercase;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--gold);display:inline-block}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:9px}
.foot-contact b{color:#fff;font-weight:500}
.footer a{color:#D7E1D8;text-decoration:none}
.footer a:hover{color:var(--gold-light)}
.copy{margin-top:52px;border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:13px}
.copy .wrap{display:flex;justify-content:space-between;gap:12px}

/* ---------- Floating call (mobile) ---------- */
.float-call{position:fixed;right:16px;bottom:16px;z-index:60;display:none;gap:10px;flex-direction:column}
.float-call a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font:700 12px var(--font-head);text-decoration:none;box-shadow:0 8px 20px rgba(0,0,0,.3)}
.float-call .call{background:var(--red)}
.float-call .zalo{background:#0068FF}

/* ---------- Reveal (iOS-safe: xem main.js) ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .services{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .process{grid-template-columns:repeat(3,1fr);row-gap:40px}
  .process li:nth-child(3)::after{display:none}
  .hero::after{left:62%}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 14px 24px rgba(0,0,0,.08);display:none}
  .nav.open{display:flex}
  .nav a{padding:14px 12px}
  .nav .btn{margin:10px 0 0}
  .hero{min-height:0}
  .hero::before{background:linear-gradient(180deg,rgba(6,42,20,.92),rgba(6,42,20,.8))}
  .hero::after{display:none}
  .hero .wrap{padding:64px 0}
  .project,.about-grid,.split,.contact .wrap{grid-template-columns:1fr;gap:40px}
  .strip .wrap{grid-template-columns:repeat(2,1fr)}
  .strip .wrap>div:nth-child(2){border-right:0}
  .strip .wrap>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .about-facts{grid-template-columns:repeat(2,1fr)}
  .about-facts li:nth-child(2){border-right:0}
  .about-facts li:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .cards3{grid-template-columns:1fr}
  .gallery.wide{grid-template-columns:repeat(2,1fr)}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
  .topbar .legal{display:none}
  .topbar .wrap{justify-content:center}
  .float-call{display:flex}
  .section{padding:68px 0}
  .section-head{margin-bottom:40px}
}
@media (max-width:600px){
  .services,.foot-grid{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
  .process li::after{display:none}
  .grid2{grid-template-columns:1fr}
  .brand img{width:62px}
  .brand-text b{font-size:15px}
  .brand-text small{display:none}
  .form{padding:26px 20px}
  .strip .wrap{grid-template-columns:1fr}
  .strip .wrap>div{border-right:0;border-bottom:1px solid var(--line)}
  .gallery.g3{grid-template-columns:repeat(3,1fr);gap:8px}
  .about-facts{grid-template-columns:1fr 1fr}
  .copy .wrap{flex-direction:column}
  .legal-table th,.legal-table td{padding:11px 12px}
}

/* Cân dòng tiêu đề, tránh chữ mồ côi */
h1,h2,h3,.section-head p,.hero .lead{text-wrap:balance}
p,li{text-wrap:pretty}
.hero-text{max-width:640px}
.project{grid-template-columns:7fr 5fr}

/* v1.5 — 2 nhóm dịch vụ */
.svc-group{margin-top:48px}
.section-head + .svc-group{margin-top:0}
.svc-group + .svc-group{margin-top:64px}
.svc-group-head{display:flex;gap:18px;align-items:center;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.svc-tag{flex:0 0 auto;width:52px;height:52px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font:800 16px var(--font-head)}
.svc-group-head h3{font:800 22px var(--font-head);color:var(--green-700);text-transform:uppercase;margin:0 0 2px}
.svc-group-head p{margin:0;color:var(--muted);font-size:15px}
.services.s3{grid-template-columns:repeat(3,1fr)}
.cards2{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.cards2 .checklist{margin:8px 0 0}
@media (max-width:900px){.services.s3{grid-template-columns:repeat(2,1fr)}.cards2{grid-template-columns:1fr}}
@media (max-width:600px){.services.s3{grid-template-columns:1fr}.svc-group-head{align-items:flex-start}}

/* v1.6 — card mở thư viện ảnh */
button.svc-media{display:block;width:100%;padding:0;border:0;cursor:zoom-in;position:relative;font:inherit}
.svc-count{position:absolute;right:12px;bottom:12px;display:inline-flex;align-items:center;gap:6px;background:rgba(4,33,15,.82);color:#fff;font:600 12px var(--font-head);padding:6px 10px;border-radius:30px;letter-spacing:.3px}
.svc-count .ico{width:16px;height:16px;color:var(--gold-light)}
.lb{position:fixed;inset:0;z-index:200;background:rgba(3,18,9,.94);display:flex;align-items:center;justify-content:center;padding:20px}
.lb[hidden]{display:none}
.lb-inner{width:min(1100px,100%);max-height:100%;display:flex;flex-direction:column;gap:12px;color:#fff}
.lb-top{display:flex;align-items:center;gap:14px}
.lb-title{font:700 18px var(--font-head);text-transform:uppercase;flex:1}
.lb-idx{font-size:14px;color:#BFD0C2}
.lb-close{background:none;border:0;color:#fff;font-size:36px;line-height:1;cursor:pointer;padding:0 6px}
.lb-stage{position:relative;display:flex;align-items:center;justify-content:center;background:#000;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;max-height:68vh}
.lb-img{width:100%;height:100%;object-fit:contain}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:30px;line-height:1;cursor:pointer}
.lb-nav:hover{background:var(--red)}
.lb-prev{left:12px}.lb-next{right:12px}
.lb-cap{margin:0;font-size:15px;color:#DCE6DE;text-align:center}
.lb-thumbs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.lb-thumbs button{width:84px;aspect-ratio:4/3;padding:0;border:2px solid transparent;border-radius:3px;overflow:hidden;cursor:pointer;background:none;opacity:.6}
.lb-thumbs button.on{border-color:var(--gold);opacity:1}
.lb-thumbs img{width:100%;height:100%;object-fit:cover}
.lb-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:#9FB5A4}
@media (max-width:600px){.lb{padding:10px}.lb-thumbs button{width:60px}.lb-foot{flex-direction:column-reverse}.lb-foot .btn{width:100%}}

/* v1.8 — header dùng logo đầy đủ, topbar chỉ còn hotline */
.topbar .wrap{justify-content:flex-end}
.header .wrap{height:104px}
.brand img{width:auto;height:88px}
@media (max-width:900px){.topbar .wrap{justify-content:center}}
@media (max-width:600px){.header .wrap{height:76px}.brand img{width:auto;height:62px}}

/* v1.9 — Giới thiệu / Tầm nhìn – Sứ mệnh */
.btn-line{border-color:var(--green-700);color:var(--green-700)}
.btn-line:hover{background:var(--green-700);color:#fff}
.vmv{list-style:none;padding:0;margin:20px 0 26px;display:grid;gap:12px}
.vmv li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);padding:12px 16px;border-radius:var(--radius);font-size:15px;color:var(--muted);line-height:1.55}
.vmv b{display:block;font:700 13px var(--font-head);color:var(--green-700);text-transform:uppercase;letter-spacing:.6px;margin-bottom:2px}
.page-hero--img{overflow:hidden;padding:96px 0 84px}
.page-hero--img .wrap{position:relative;z-index:1}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.page-hero--img::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--green-900) 0%,rgba(6,42,20,.9) 45%,rgba(6,42,20,.5) 100%);z-index:1}
.page-hero--img::after{z-index:2}
.h2-left{font:800 clamp(24px,2.8vw,32px)/1.3 var(--font-head);color:var(--green-700);text-transform:uppercase;margin:0}
.timeline{list-style:none;margin:0;padding:0 0 0 28px;border-left:2px solid var(--line);position:relative}
.timeline li{position:relative;padding:0 0 28px 8px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-37px;top:4px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--red)}
.timeline b{display:block;font:800 18px var(--font-head);color:var(--green-700)}
.timeline span{color:var(--muted);font-size:15px}
.vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.vm-card{background:rgba(255,255,255,.06);border:1px solid rgba(212,160,44,.35);border-radius:var(--radius);padding:34px}
.vm-card .ico{width:44px;height:44px;color:var(--gold-light);margin-bottom:14px}
.vm-card h3{font:800 20px var(--font-head);color:#fff;text-transform:uppercase;margin-bottom:12px}
.vm-card p{color:#DCE6DE;font-size:16px;line-height:1.75}
.vm-card b{color:var(--gold-light);font-weight:600}
.checklist.on-dark li{border-color:rgba(255,255,255,.12);color:#DCE6DE}
.checklist.on-dark li::before{border-color:var(--gold)}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.value{text-align:center;padding:30px 22px;border:1px solid var(--line);border-top:3px solid var(--red);border-radius:var(--radius);background:#fff}
.value .ico{width:42px;height:42px;color:var(--green-700);margin:0 auto 14px}
.value h3{font:800 17px var(--font-head);color:var(--green-700);text-transform:uppercase;margin-bottom:10px}
.value p{font-size:15px;color:var(--muted);margin:0;line-height:1.65}
.roadmap{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);counter-reset:st}
.stage{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
.stage::after{content:"→";position:absolute;right:-20px;top:40px;font-size:22px;color:var(--gold)}
.stage:last-child::after{display:none}
.stage-no{display:inline-block;font:700 12px var(--font-head);color:#fff;background:var(--green-700);padding:5px 12px;border-radius:30px;letter-spacing:.4px;margin-bottom:14px}
.stage h3{font:800 19px var(--font-head);color:var(--red);text-transform:uppercase;margin-bottom:12px}
.stage .checklist{margin:0}
.stage .checklist li{font-size:14.5px}
.org{display:flex;flex-direction:column;gap:18px}
.org-row{display:flex;justify-content:center;gap:12px;position:relative}
.org-row+.org-row::before{content:"";position:absolute;top:-18px;left:50%;height:18px;border-left:2px solid var(--gold)}
.org-box{background:var(--green-700);color:#fff;text-align:center;padding:14px 18px;border-radius:var(--radius);font:700 15px var(--font-head);min-width:200px}
.org-box small{display:block;font:400 13px var(--font-body);color:#CFDCD2;margin-top:3px}
.org-top{background:var(--red)}
.org-3 .org-box{flex:1;min-width:0;background:#fff;color:var(--green-700);border:1px solid var(--line)}
.org-3 .org-box small{color:var(--muted)}
.org-net{background:var(--cream);color:var(--ink);border:1px dashed var(--green-500)}
.org-net small{color:var(--muted)}
@media (max-width:900px){.vm-grid,.roadmap{grid-template-columns:1fr}.stage::after{display:none}.values{grid-template-columns:1fr 1fr}.org-3{flex-direction:column}}
@media (max-width:600px){.values{grid-template-columns:1fr}.vm-card{padding:24px}}

/* v2.0 — lộ trình 2 mảng, sơ đồ chức danh */
.track{margin-top:8px}
.track+.track{margin-top:56px}
.track-head{display:flex;gap:16px;align-items:center;margin-bottom:22px}
.track-head h3{font:800 20px var(--font-head);color:var(--green-700);text-transform:uppercase;margin:0}
.track-head p{margin:2px 0 0;color:var(--muted);font-weight:500}
.roadmap.r2{grid-template-columns:1fr 1fr}
.stage-goal{border:2px solid var(--gold);box-shadow:0 12px 30px rgba(212,160,44,.15)}
.stage-goal .stage-no{background:var(--red)}
.org-2 .org-box,.org-4 .org-box{flex:1;min-width:0}
.org-4 .org-box{background:#fff;color:var(--green-700);border:1px solid var(--line);font-size:14px;padding:14px 10px}
.org-row.org-2::after{content:"";position:absolute;left:25%;right:25%;top:-1px;border-top:2px solid var(--gold);display:none}
@media (max-width:900px){.roadmap.r2{grid-template-columns:1fr}.org-2,.org-4{flex-wrap:wrap}.org-4 .org-box{flex:1 1 45%}}
.org-4 .org-box{display:flex;align-items:center;justify-content:center}
.vmv-row{display:block;margin-top:4px}
.vmv-row strong{color:var(--ink);font-weight:600}
.values.v3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.values.v3{grid-template-columns:1fr}}

/* v2.2+ — Landing "Chìa khóa trao tay": CSS riêng tại assets/css/lp.css */

/* v2.3 — nút dẫn sang landing Chìa khóa trao tay trong nhóm Nhà ở cá nhân */
.svc-group-head .svc-group-cta{margin-left:auto;flex:0 0 auto;align-self:center}
@media (max-width:900px){.svc-group-head{flex-wrap:wrap}.svc-group-head .svc-group-cta{margin-left:0;width:100%}}