/* Thiên Phú Vinh – design tokens */
:root{
  --red:#C8201A; --red-dark:#9C1510; --red-soft:#FBECEB;
  --ink:#16202C; --steel:#4F5B69; --line:#DCE1E6; --mist:#F2F4F6; --white:#fff;
  --timber:#9A6A36; --timber-soft:#F6EFE6;
  --f-display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --wrap:1200px; --r:6px; --r-lg:14px;
  --shadow:0 18px 40px -24px rgba(22,32,44,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:clip;font-family:var(--f-body);font-size:16px;line-height:1.65;color:var(--ink);background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.15}
h1,h2{font-family:var(--f-display);font-weight:700;letter-spacing:-.005em}
h1{font-size:clamp(2.6rem,6.2vw,4.9rem);line-height:1}
h2{font-size:clamp(2rem,3.8vw,3rem)}
h3{font-size:1.2rem;font-weight:600}
p{margin:0 0 1em}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}
.lead{font-size:1.125rem;color:var(--steel);max-width:62ch}
.muted{color:var(--steel)}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:999}
.skip:focus{left:10px;top:10px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font:600 .98rem/1 var(--f-body);padding:.95em 1.5em;border-radius:var(--r);border:2px solid transparent;text-decoration:none;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-dark)}
.btn-line{border-color:currentColor;color:var(--ink);background:transparent}.btn-line:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-light{border-color:#fff;color:#fff}.btn-light:hover{background:#fff;color:var(--ink)}
.btn svg{width:18px;height:18px}

/* Topbar + header */
.topbar{background:var(--ink);color:#C9D1DA;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.topbar a{text-decoration:none;color:#fff}
.topbar span+span{margin-left:18px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand img{height:52px;width:auto}
.brand b{font:700 1.35rem/1 var(--f-display);letter-spacing:.01em}
.brand small{display:block;font:500 .72rem/1.3 var(--f-body);color:var(--steel);letter-spacing:.02em}
.nav{margin-left:auto}
.nav>ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav a,.nav .sub-toggle{display:block;padding:10px 12px;font:500 .95rem/1.2 var(--f-body);text-decoration:none;color:var(--ink);border-radius:var(--r);background:none;border:0;cursor:pointer}
.nav a:hover,.nav .sub-toggle:hover{color:var(--red)}
.nav a[aria-current="page"],.nav .is-active>.sub-toggle{color:var(--red);font-weight:600}
.sub-toggle::after{content:"";display:inline-block;width:6px;height:6px;margin-left:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-3px) rotate(45deg)}
.has-sub{position:relative}
.has-sub>ul{list-style:none;margin:0;padding:8px;position:absolute;left:0;top:100%;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.has-sub:hover>ul,.has-sub:focus-within>ul,.has-sub.open>ul{opacity:1;visibility:visible;transform:none}
.has-sub>ul a{padding:10px 12px}
.has-sub>ul a:hover{background:var(--mist)}
.header-cta{margin-left:8px}
.menu-btn{display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer}
.menu-btn span{display:block;width:26px;height:2px;background:var(--ink);margin:6px 0;transition:.2s}

@media (max-width:1060px){
  .header-cta{display:none}
  .menu-btn{display:block}
  .nav{position:fixed;inset:76px 0 0 0;background:#fff;overflow:auto;padding:12px 20px 40px;margin:0;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility .2s}
  .nav.open{visibility:visible;opacity:1;transform:none}
  .nav>ul{flex-direction:column;align-items:stretch}
  .nav a,.nav .sub-toggle{padding:14px 4px;font-size:1.05rem;border-bottom:1px solid var(--line);border-radius:0;width:100%;text-align:left}
  .has-sub>ul{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 14px;display:none}
  .has-sub.open>ul{display:block}
  .has-sub:hover>ul{display:none}.has-sub.open:hover>ul{display:block}
  .nav .mobile-cta{display:block;margin-top:20px}
}
.nav .mobile-cta{display:none}
@media (max-width:1060px){.nav .mobile-cta{display:block}}
.topbar-extra{display:inline}
@media (max-width:640px){.topbar-extra{display:none}.brand small{display:none}.brand img{height:44px}}

/* Hero */
.hero{position:relative;color:#fff;background:var(--ink) center/cover no-repeat;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,20,28,.92) 0%,rgba(14,20,28,.72) 45%,rgba(14,20,28,.25) 100%);z-index:-1}
.hero .wrap{padding:clamp(80px,12vw,150px) 0 clamp(120px,14vw,170px)}
.hero h1{max-width:15ch;margin-bottom:.35em}
.hero p{font-size:1.15rem;max-width:52ch;color:#E3E8ED}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-rule{display:block;width:72px;height:6px;background:var(--red);margin-bottom:26px}

/* Fact strip overlapping hero */
.facts{position:relative;z-index:2;margin-top:-72px}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden}
.fact{padding:26px 28px;border-left:1px solid var(--line)}
.fact:first-child{border-left:0;background:var(--red);color:#fff}
.fact strong{display:block;font:700 2.6rem/1 var(--f-display)}
.fact span{font-size:.92rem;color:var(--steel)}
.fact:first-child span{color:#FDE3E1}
@media (max-width:860px){.facts .wrap{grid-template-columns:1fr 1fr}.fact:nth-child(3){border-left:0}.fact{border-top:1px solid var(--line)}.fact:nth-child(-n+2){border-top:0}}

/* Page head (subpages) */
.page-head{position:relative;color:#fff;background:var(--ink) center/cover no-repeat;isolation:isolate}
.page-head::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,20,28,.9),rgba(14,20,28,.55));z-index:-1}
.page-head .wrap{padding:clamp(56px,8vw,96px) 0}
.page-head h1{font-size:clamp(2.4rem,5vw,3.8rem);margin-bottom:.25em}
.page-head p{color:#DCE2E8;max-width:60ch;margin:0}
.crumbs{font-size:.88rem;color:#B9C3CD;margin-bottom:14px}
.crumbs a{color:#fff;text-decoration:none}.crumbs a:hover{text-decoration:underline}

/* Sections */
.section{padding:clamp(64px,8vw,104px) 0}
.section.tint{background:var(--mist)}
.section.dark{background:var(--ink);color:#fff}
.section.dark .lead,.section.dark .muted{color:#B9C3CD}
.head{max-width:720px;margin-bottom:44px}
.head.center{text-align:center;margin-inline:auto}
.head.center .lead{margin-inline:auto}

/* Split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.split.rev>:first-child{order:2}
.split img{border-radius:var(--r-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
@media (max-width:860px){.split{grid-template-columns:1fr}.split.rev>:first-child{order:0}}

/* Service rows (home) */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.svc{display:flex;flex-direction:column;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .2s}
.svc:hover{border-color:var(--red)}
.svc img{aspect-ratio:16/10;object-fit:cover;width:100%}
.svc div{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.svc h3{font:700 1.6rem/1.1 var(--f-display);margin-bottom:.4em}
.svc p{color:var(--steel);flex:1}
.svc .more{color:var(--red);font-weight:600}
@media (max-width:900px){.services{grid-template-columns:1fr}}

/* Export feature (home + hub) */
.export{background:var(--timber-soft)}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.prod{position:relative;display:block;text-decoration:none;color:#fff;border-radius:var(--r-lg);overflow:hidden;min-height:420px;background:#333 center/cover}
.prod::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(10,14,20,.88) 100%)}
.prod>div{position:absolute;left:0;right:0;bottom:0;padding:28px}
.prod h3{font:700 2.1rem/1 var(--f-display);margin-bottom:.2em}
.prod em{font-style:normal;display:block;color:#E7D6BF;font-size:.9rem;margin-bottom:10px}
.prod p{color:#E8ECEF;margin:0;font-size:.96rem}
.prod .tag{display:inline-block;margin-top:14px;font-weight:600;border-bottom:2px solid var(--red);padding-bottom:2px}
@media (max-width:900px){.products{grid-template-columns:1fr}.prod{min-height:340px}}

/* Checklist */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.checks li{position:relative;padding-left:34px}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:50%;background:var(--red-soft) no-repeat center/12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C8201A' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E")}
.checks.cols{grid-template-columns:1fr 1fr;column-gap:32px}
@media (max-width:700px){.checks.cols{grid-template-columns:1fr}}

/* Reasons */
.reasons{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:3px solid var(--ink)}
.reason{padding:28px 24px 8px 0}
.reason+.reason{padding-left:24px;border-left:1px solid var(--line)}
.reason h3{font-size:1.1rem}
.reason p{color:var(--steel);font-size:.96rem}
@media (max-width:900px){.reasons{grid-template-columns:1fr 1fr}.reason:nth-child(3){padding-left:0;border-left:0}}
@media (max-width:560px){.reasons{grid-template-columns:1fr}.reason+.reason{padding-left:0;border-left:0;border-top:1px solid var(--line)}}

/* Process steps (real sequence) */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;padding-top:18px;border-top:3px solid var(--line)}
.steps li::before{content:counter(s);display:block;font:700 2.2rem/1 var(--f-display);color:var(--red);margin-bottom:10px}
.steps h3{font-size:1.02rem}
.steps p{font-size:.93rem;color:var(--steel);margin:0}
.section.dark .steps li{border-color:#33404F}.section.dark .steps p{color:#B9C3CD}
@media (max-width:980px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* Spec table */
.spec{width:100%;border-collapse:collapse;font-size:.97rem}
.spec th,.spec td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{width:34%;font-weight:600;background:var(--mist)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg)}
.note{font-size:.88rem;color:var(--steel);margin-top:12px}

/* Variant cards (product pages) */
.variants{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.variant{border:1px solid var(--line);border-top:4px solid var(--timber);border-radius:var(--r);padding:24px;background:#fff}
.variant h3{margin-bottom:.35em}
.variant p{color:var(--steel);font-size:.95rem;margin:0}
@media (max-width:900px){.variants{grid-template-columns:1fr}}

/* Gallery */
.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:220px;gap:12px}
.gallery img{width:100%;height:100%;object-fit:cover;border-radius:var(--r)}
.gallery img:first-child{grid-row:span 2}
@media (max-width:760px){.gallery{grid-template-columns:1fr 1fr;grid-auto-rows:160px}.gallery img:first-child{grid-column:span 2;grid-row:span 1}}

/* Partners */
.partners{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:28px 56px}
.partners img{height:54px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:.2s}
.partners img:hover{filter:none;opacity:1}

/* Testimonials */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.quote{margin:0;padding:28px;background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);display:flex;flex-direction:column}
.quote blockquote{margin:0 0 20px;font-size:1rem;flex:1}
.quote blockquote::before{content:"“";display:block;font:700 3.4rem/.6 var(--f-display);color:var(--red);margin-bottom:10px}
.quote figcaption{display:flex;align-items:center;gap:12px;font-size:.9rem}
.quote figcaption img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.quote figcaption b{display:block;font-size:.98rem}
@media (max-width:900px){.quotes{grid-template-columns:1fr}}

/* Team */
.team{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.team img{aspect-ratio:3/4;object-fit:cover;border-radius:var(--r);width:100%}
@media (max-width:760px){.team{grid-template-columns:repeat(3,1fr)}}

/* Values */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.values h3{font:700 1.7rem/1.1 var(--f-display);color:var(--red)}
@media (max-width:860px){.values{grid-template-columns:1fr}}

/* News */
.news{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.post{display:grid;grid-template-columns:200px 1fr;gap:20px;text-decoration:none;align-items:start}
.post img{aspect-ratio:1;object-fit:cover;border-radius:var(--r)}
.post time{font-size:.85rem;color:var(--steel)}
.post h3{margin:.2em 0 .4em;font-size:1.15rem}
.post:hover h3{color:var(--red)}
.post p{font-size:.94rem;color:var(--steel);margin:0}
@media (max-width:900px){.news{grid-template-columns:1fr}}
@media (max-width:520px){.post{grid-template-columns:1fr}}

/* Contact & form */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,64px);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.info-list{list-style:none;padding:0;margin:0 0 28px}
.info-list li{padding:16px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:130px 1fr;gap:12px}
.info-list li span{color:var(--steel);font-size:.9rem}
.info-list a{text-decoration:none;font-weight:600}
.info-list a:hover{color:var(--red)}
.people{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.person{padding:18px;border:1px solid var(--line);border-radius:var(--r)}
.person b{display:block}.person span{font-size:.88rem;color:var(--steel)}
.person a{display:inline-block;margin-top:8px;font-weight:600;color:var(--red);text-decoration:none}
@media (max-width:520px){.people{grid-template-columns:1fr}.info-list li{grid-template-columns:1fr;gap:2px}}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,4vw,40px);box-shadow:var(--shadow);color:var(--ink)}
.form h2{font-size:2.1rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.form .row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-weight:600;font-size:.9rem}
.field input,.field select,.field textarea{font:inherit;padding:12px 14px;border:1px solid #C4CCD4;border-radius:var(--r);background:#fff;color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
.field textarea{min-height:110px;resize:vertical}
.hp{position:absolute;left:-9999px}
.form-status{margin-top:14px;font-size:.95rem;min-height:1.2em}
.form-status.ok{color:#18794E}.form-status.err{color:var(--red)}
.map{border:0;width:100%;height:380px;border-radius:var(--r-lg);display:block}

/* CTA band */
.cta-band{background:var(--red);color:#fff}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:48px 0;flex-wrap:wrap}
.cta-band h2{margin:0;font-size:clamp(1.8rem,3.2vw,2.5rem);max-width:24ch}
.cta-band .btn-light:hover{color:var(--red)}

/* Footer */
.site-footer{background:#0F161F;color:#AEB8C3;font-size:.94rem}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 40px}
.site-footer h4{color:#fff;font:700 1.25rem/1.2 var(--f-display);margin-bottom:14px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer a{text-decoration:none;color:#DCE2E8}.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .legal{border-top:1px solid #243140;padding:18px 0;font-size:.85rem}
.site-footer .legal .wrap{display:flex;justify-content:space-between;gap:12px;padding:0;flex-wrap:wrap}
.foot-logo{height:56px;width:auto;margin-bottom:14px}
@media (max-width:900px){.site-footer .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-footer .wrap{grid-template-columns:1fr}}

/* Floating contact */
.float{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 20px -6px rgba(0,0,0,.4);text-decoration:none}
.float .f-call{background:var(--red)}.float .f-zalo{background:#0068FF}.float .f-msg{background:#fff}
.float svg{width:24px;height:24px}
.float .f-zalo img{width:30px;height:30px}
@media (max-width:640px){.float{right:10px;bottom:10px;gap:8px}.float a{width:44px;height:44px}.float svg{width:20px;height:20px}.float .f-zalo img{width:26px;height:26px}}

/* Motion: one reveal on hero only */
@media (prefers-reduced-motion:no-preference){
  .hero .hero-rule{animation:grow .7s ease-out both}
  .hero h1,.hero p,.hero .actions{animation:rise .7s ease-out both}
  .hero p{animation-delay:.1s}.hero .actions{animation-delay:.2s}
  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
  @keyframes grow{from{width:0}to{width:72px}}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---- v3: image blocks ---- */
.reason img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);margin-bottom:16px}
.values img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);margin-bottom:18px}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.strip figure{margin:0}
.strip img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg)}
.strip figcaption{margin-top:10px;font-weight:600}
@media (max-width:760px){.strip{grid-template-columns:1fr}}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.duo img:first-child{margin-top:40px}
.split .duo img{aspect-ratio:3/4}
.variant{padding:0;overflow:hidden;display:flex;flex-direction:column}
.variant img{width:100%;aspect-ratio:16/10;object-fit:cover}
.variant>div{padding:22px 24px 26px}
.steps img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);margin-bottom:14px}
.contact-photo{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);margin-bottom:28px}
.person{display:flex;gap:14px;align-items:center}
.person img,.person .ini{width:56px;height:56px;border-radius:50%;flex-shrink:0;object-fit:cover}
.person .ini{display:grid;place-items:center;background:var(--red-soft);color:var(--red);font:700 1.15rem/1 var(--f-display)}
.person a{margin-top:4px}
.person.lead{background:#fff;border-color:var(--red);margin-bottom:8px}
.person.lead img{width:72px;height:72px}
.grp{font:700 1.3rem/1.2 var(--f-display);margin:22px 0 10px}
.cta-band{background:linear-gradient(90deg,rgba(200,32,26,.94),rgba(156,21,16,.86)),var(--bg,none) center/cover}
.person span,.person a{display:block}
.article{max-width:760px;margin-inline:auto;font-size:1.06rem}
.article h2,.article h3{font-family:var(--f-display);margin-top:1.4em}
.article img{border-radius:var(--r-lg);margin:1.2em 0}
.article ol{padding-left:1.2em}

/* ===== v4: ảnh tự lưu trữ, khung tỉ lệ cố định ===== */
img{background:#e9edf1;color:transparent}          /* ảnh chưa tải/lỗi: khung xám, không lộ chữ alt */
.hero,.page-head,.prod{overflow:hidden}
.hero,.page-head{background:var(--ink)}
.bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 45%;z-index:-2;background:var(--ink)}
.hero::before,.page-head::before{z-index:-1}
.prod{isolation:isolate;background:#2a2f35}
.prod .bg-img{z-index:0;transition:transform .5s ease}
.prod::before{z-index:1}.prod>div{z-index:2}
.prod:hover .bg-img{transform:scale(1.04)}
@media (prefers-reduced-motion:reduce){.prod:hover .bg-img{transform:none}}
/* mọi ảnh nội dung: đúng tỉ lệ khung, không méo, không tràn */
.svc img,.variant img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
.reason img,.strip img,.steps img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.values img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
.split>img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg)}
.duo img{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r-lg)}
.contact-photo{display:block;height:auto;aspect-ratio:16/9;object-fit:cover}
.team img{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:cover}
.post img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover}
.gallery img{display:block}
.quote figcaption img{flex-shrink:0;aspect-ratio:1}
.person img{aspect-ratio:1}
.partners img{height:54px;width:auto;max-width:180px;object-fit:contain;background:none}
.brand img,.foot-logo,.f-zalo img{background:none;object-fit:contain}
.brand img{width:auto;max-width:120px}
.foot-logo{width:auto;max-width:140px}
.article img{display:block;width:100%;height:auto;max-height:560px;object-fit:cover}
/* khối lý do: cột đều nhau, ảnh cùng kích thước */
.reasons{gap:24px}
.reason,.reason+.reason{padding:24px 0 8px;border-left:0}
@media (max-width:560px){.reason+.reason{border-top:1px solid var(--line)}}
.float .f-zalo .zl{color:#fff;font:700 13px/1 var(--f-body);letter-spacing:.02em}

/* ================= v5: hero & tiêu đề trang có ảnh mờ phía sau ================= */
.hero,.page-head{background:linear-gradient(118deg,#111922 0%,#1b2531 55%,#3b1512 100%)}
.hero .bg-img{filter:blur(2px) brightness(.78) saturate(.9);transform:scale(1.04)}
.hero::before{background:linear-gradient(90deg,rgba(13,19,27,.95) 0%,rgba(13,19,27,.82) 40%,rgba(13,19,27,.45) 72%,rgba(13,19,27,.25) 100%)}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:160px;background:linear-gradient(180deg,transparent,rgba(13,19,27,.55));z-index:-1}
.page-head .bg-img{filter:blur(6px) brightness(.62) saturate(.85);transform:scale(1.1)}
.page-head::before{background:linear-gradient(90deg,rgba(13,19,27,.9) 0%,rgba(13,19,27,.66) 60%,rgba(13,19,27,.5) 100%)}
.page-head .wrap{padding:clamp(64px,9vw,112px) 0 clamp(56px,7vw,88px)}
.page-head h1{max-width:20ch}
.page-head p{font-size:1.08rem}
/* vạch đỏ thương hiệu dưới tiêu đề trang */
.page-head h1::after{content:"";display:block;width:56px;height:5px;background:var(--red);margin-top:18px}

/* ================= Logo ================= */
.brand img{height:40px;width:auto;max-width:none}
.brand b{font-size:1.3rem}
.foot-logo{height:92px;width:auto;max-width:200px;margin-bottom:18px}

/* ================= Thẻ nội dung: ảnh trên, chữ có khoảng thở ================= */
.reasons{border-top:0;gap:24px}
.reason,.reason+.reason{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;padding:0;display:flex;flex-direction:column}
.reason img{margin:0;border-radius:0}
.reason h3{margin:20px 22px 8px}
.reason p{margin:0 22px 24px}
.section.tint .reason{border-color:transparent;box-shadow:0 10px 30px -22px rgba(22,32,44,.5)}
@media (max-width:560px){.reason+.reason{border-top:1px solid var(--line)}}

.values>div{background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 10px 30px -22px rgba(22,32,44,.5)}
.values img{margin:0;border-radius:0}
.values h3{margin:22px 24px 8px}
.values p{margin:0 24px 26px}

.strip{gap:24px}
.strip figure{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.strip img{border-radius:0}
.strip figcaption{margin:0;padding:16px 20px 18px;font-weight:600}
.section.tint .strip figure{border-color:transparent}

.steps{gap:20px}
.steps li{display:flex;flex-direction:column;background:#1f2a37;border:0;border-radius:var(--r-lg);overflow:hidden;padding:0 0 22px}
.steps img{order:-1;margin:0;border-radius:0}
.steps li::before{margin:18px 20px 6px;font-size:1.9rem}
.steps h3{margin:0 20px 6px}
.steps p{margin:0 20px}

.variant>div{padding:22px 24px 26px}
.svc div{padding:22px 24px 26px}
.svc h3{margin-bottom:.45em}

.duo{gap:16px}
.duo img:first-child{margin-top:0}
.split{gap:clamp(36px,5vw,72px)}
.split>div>h2+.lead,.split>div>h2+ul{margin-top:12px}
.split .checks{margin-top:18px}
.contact-photo{margin-bottom:32px}
.team{gap:16px}
.team img{border-radius:var(--r-lg)}
.news{gap:32px}
.post{gap:24px}
.post img{border-radius:var(--r-lg)}
.gallery{gap:14px}
.gallery img{border-radius:var(--r-lg)}
.head{margin-bottom:40px}
@media (max-width:860px){.split>img,.split>.duo{order:-1}.split.rev>:first-child{order:0}}
/* số cột lấy từ nội dung (CMS), vẫn tuân theo responsive */
.facts .wrap{grid-template-columns:repeat(var(--cols,4),1fr)}
.products{grid-template-columns:repeat(var(--cols,3),1fr)}
.steps{grid-template-columns:repeat(var(--cols,5),1fr)}
@media (max-width:980px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:900px){.products{grid-template-columns:1fr}}
@media (max-width:860px){.facts .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
/* v6: header chỉ logo + slogan */
.brand{gap:14px}
.brand img{height:44px}
.brand-tag{font:600 .74rem/1.3 var(--f-body);letter-spacing:.06em;text-transform:uppercase;color:var(--red);font-style:italic;
  padding-left:14px;border-left:2px solid var(--line);max-width:130px}
@media (max-width:640px){.brand img{height:38px}.brand-tag{font-size:.66rem;max-width:110px;padding-left:10px}}
.brand-tag{white-space:nowrap;max-width:none;font-size:.78rem}
@media (max-width:640px){.brand-tag{font-size:.64rem;letter-spacing:.03em}}
@media (max-width:360px){.brand-tag{display:none}}
/* v7: sửa menu mobile — bỏ backdrop-filter (nó "nhốt" menu fixed trong header) */
.site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff}
@media (max-width:1060px){
  .nav{position:fixed;top:var(--nav-top,76px);left:0;right:0;bottom:0;height:auto;
       background:#fff;overflow-y:auto;overscroll-behavior:contain;padding:8px 20px 32px;
       border-top:1px solid var(--line);box-shadow:0 20px 40px -20px rgba(22,32,44,.35);z-index:49}
  .nav>ul{gap:0}
  .nav a,.nav .sub-toggle{padding:15px 4px;font-size:1.05rem}
  .nav .sub-toggle{display:flex;justify-content:space-between;align-items:center}
  .has-sub.open>.sub-toggle::after{transform:translateY(2px) rotate(-135deg)}
  .has-sub>ul{padding:0 0 6px 14px}
  .has-sub>ul a{font-size:.98rem;color:var(--steel);border-bottom:1px dashed var(--line)}
  .nav .mobile-cta{margin-top:18px}
  .nav .mobile-cta a{border-bottom:0;text-align:center;justify-content:center;color:#fff}
  .menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}
@media (max-width:1060px){
  .nav .mobile-cta a.btn-red{background:var(--red);color:#fff;border-radius:var(--r);padding:15px 20px;font-weight:600;width:100%}
  .nav .mobile-cta a.btn-red:hover{background:var(--red-dark);color:#fff}
  .nav .mobile-call{display:block;margin-top:14px;text-align:center;font-size:.95rem;color:var(--steel)}
  .nav .mobile-call a{display:inline;padding:0;border:0;color:var(--red);font-weight:600;font-size:inherit}
}
body.menu-open .float{display:none}

/* ===== v8: đơn hàng đối tác, bảng thị trường ===== */
.orders{display:grid;gap:28px}
.order{background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:var(--r-lg);padding:clamp(22px,3vw,34px);box-shadow:0 18px 40px -30px rgba(22,32,44,.5)}
.section.tint .order{border-color:transparent;border-top-color:var(--red)}
.order-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:14px}
.order-head h3{font:700 clamp(1.4rem,2.4vw,1.8rem)/1.15 var(--f-display);margin:2px 0 0}
.order-meta{margin:0;font-size:.85rem;color:var(--steel);font-weight:600;letter-spacing:.02em}
.order-status{margin-left:auto;flex-shrink:0;background:#FFF4E5;color:#9A5B00;border:1px solid #F5D7A6;font-size:.8rem;font-weight:600;padding:6px 12px;border-radius:999px;white-space:nowrap}
.flag{flex-shrink:0;width:54px;height:36px;border-radius:4px;overflow:hidden;box-shadow:0 0 0 1px rgba(0,0,0,.08);display:grid;place-items:center;background:var(--mist)}
.flag svg{width:100%;height:100%;display:block}
.flag-code{font:700 .9rem/1 var(--f-body);color:var(--ink)}
.order-buyer{color:var(--steel);margin:0 0 18px;max-width:75ch}
.order-table th,.order-table td{white-space:nowrap;text-align:center}
.order-table thead th{background:var(--ink);color:#fff;font-weight:600;font-size:.88rem}
.order-table tbody td:first-child{font-weight:600}
.order-req{margin:18px 0 0;padding:14px 16px;background:var(--mist);border-left:3px solid var(--red);border-radius:var(--r)}
.order-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0 0}
.order-facts div{background:var(--mist);border-radius:var(--r);padding:12px 14px}
.order-facts dt{font-size:.78rem;color:var(--steel);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.order-facts dd{margin:0;font-weight:600}
.order-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
@media (max-width:860px){.order-facts{grid-template-columns:1fr 1fr}.order-head{flex-wrap:wrap}.order-status{margin-left:70px}}
@media (max-width:480px){.order-facts{grid-template-columns:1fr}.order-status{margin-left:0}}
.markets thead th{background:var(--ink);color:#fff}
.markets th[scope=row]{width:auto;background:#fff;font-weight:700}
.markets td,.markets th{white-space:nowrap}
.reasons-5{grid-template-columns:repeat(5,1fr)}
@media (max-width:1100px){.reasons-5{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.reasons-5{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.reasons-5{grid-template-columns:1fr}}
.sub-h{font-size:1.02rem;margin:22px 0 10px}
.note-strong{color:var(--ink);font-weight:600;border-left:3px solid var(--red);padding-left:12px}
.market-line{margin-top:20px;padding:14px 16px;background:#fff;border-radius:var(--r);border:1px solid var(--line)}
.market-line span{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--red);font-weight:700;margin-bottom:4px}
.market-line p{margin:0;font-weight:600}
.site-footer .legal a{color:#DCE2E8}
.orders>*,.order,.order>*{min-width:0}
.table-wrap{max-width:100%;-webkit-overflow-scrolling:touch}
@media (max-width:480px){.order-facts{grid-template-columns:1fr 1fr}.order-facts div:last-child{grid-column:1/-1}.order-cta .btn{width:100%;justify-content:center}}