/*
Theme Name: Archiindex 2026
Theme URI: https://archiindex.com/
Author: Archiindex
Description: Giao diện tối giản nền đen cho Archiindex. Dùng lại dữ liệu dự án, danh mục và đường dẫn của theme Prague (loại nội dung projects, phân loại projects-category, trường PixFields, thư viện ảnh prague_post_options).
Version: 1.4.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: archiindex
*/

:root{
  --bg:#0a0a0a; --bg2:#101010; --line:rgba(255,255,255,.12);
  --text:#a6a6a6; --soft:#cfcfcf; --white:#f0f0f0;
  --red:#8e1b1b; --red2:#a82222;
  --pad:clamp(20px,4vw,64px);
  --disp:'Roboto Condensed',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:300 16px/1.75 Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.label{display:inline-flex;align-items:center;gap:12px;font:400 11px/1.4 Roboto,sans-serif;letter-spacing:.32em;text-transform:uppercase;color:var(--text)}
.label b{color:var(--red2);font-weight:500}
.disp{font-family:var(--disp);font-weight:300;text-transform:uppercase;color:var(--white);letter-spacing:.01em;line-height:.95}
.red{color:var(--red2)}
.btn{display:inline-flex;align-items:center;gap:18px;border:1px solid rgba(255,255,255,.35);color:var(--white);padding:15px 26px;font:400 11px Roboto;letter-spacing:.3em;text-transform:uppercase;transition:.35s}
.btn:hover{border-color:var(--white);background:rgba(255,255,255,.06)}
.btn.solid{background:var(--red);border-color:var(--red)}
.btn.solid:hover{background:var(--red2);border-color:var(--red2)}
.arrow{display:inline-block;width:28px;height:1px;background:currentColor;position:relative}
.arrow:after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid;border-right:1px solid;transform:rotate(45deg)}

/* ===== họa tiết từ logo ===== */
.ii{width:12px;height:22px;flex:none;overflow:visible}            /* cột đôi có chấm: nhãn mục */
.ii rect{fill:none;stroke:currentColor;stroke-width:1.2}
.ii circle{fill:var(--red2)}
.ring{position:absolute;pointer-events:none;fill:none;stroke:rgba(255,255,255,.16);stroke-width:1}

/* ===== màn mở đầu: logo tự vẽ ===== */
.intro{position:fixed;inset:0;z-index:300;background:#000;display:flex;align-items:center;justify-content:center;flex-direction:column;transition:opacity .9s ease .1s,visibility 0s 1s}
.intro.done{opacity:0;visibility:hidden}
.intro svg{width:150px;height:150px}
.intro .draw{fill:none;stroke:#fff;stroke-width:14;stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.4s cubic-bezier(.5,.1,.3,1) forwards}
.intro .dot{fill:var(--red2);opacity:0;animation:pop .4s ease 1.25s forwards}
.intro .wm{margin-top:34px;font:400 14px Roboto;letter-spacing:1.1em;color:#fff;opacity:0;animation:pop .6s ease 1.35s forwards;padding-left:1.1em}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{to{opacity:1}}

/* ===== thanh menu ===== */
nav.top{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:22px var(--pad);transition:.4s}
nav.top.solid{background:rgba(10,10,10,.94);backdrop-filter:blur(8px);padding:12px var(--pad);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:16px}
.brand img{width:42px;height:42px;transition:.4s}
nav.top.solid .brand img{width:34px;height:34px}
.brand span{font:400 14px Roboto;letter-spacing:.55em;color:var(--white)}
.brand small{display:block;font-size:8.5px;letter-spacing:.42em;color:var(--text);margin-top:4px}
.menu{display:flex;gap:clamp(16px,2.6vw,40px);align-items:center}
.menu>.mi{position:relative}
.menu a.top-a{font:400 11px Roboto;letter-spacing:.3em;text-transform:uppercase;color:var(--soft);position:relative;padding:10px 0;display:inline-block}
.menu a.top-a.on,.menu a.top-a:hover{color:var(--white)}
.menu a.top-a.on:after{content:"";position:absolute;left:50%;bottom:0;width:5px;height:5px;border-radius:50%;background:var(--red2);transform:translateX(-50%)}
.menu .quote{border:1px solid var(--red);padding:9px 16px!important;color:var(--white)}
.menu .quote:hover{background:var(--red)}
.dd{position:absolute;top:100%;left:-24px;min-width:240px;background:rgba(10,10,10,.97);border:1px solid var(--line);padding:18px 24px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.3s}
.mi:hover .dd{opacity:1;visibility:visible;transform:none}
.dd a{display:block;padding:8px 0;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--text)}
.dd a:hover{color:var(--white)}
/* menu lớn cho Dự án */
.mega{position:fixed;left:0;right:0;top:0;padding:120px var(--pad) 60px;background:rgba(8,8,8,.98);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr) 1.1fr;gap:40px;opacity:0;visibility:hidden;transition:.35s;z-index:-1}
.mi:hover .mega{opacity:1;visibility:visible}
.mega h6{display:flex;align-items:center;gap:12px;font:300 30px/1 var(--disp);text-transform:uppercase;color:var(--white);margin-bottom:22px;cursor:pointer}
.mega h6 em{font:400 11px Roboto;font-style:normal;color:var(--red2);letter-spacing:.2em}
.mega h6:hover{color:#fff}
.mega a.sub{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--text)}
.mega a.sub:hover{color:var(--white)}
.mega a.sub i{font-style:normal;color:#666}
.mega .mimg{background-size:cover;background-position:center;min-height:260px;position:relative}
.mega .mimg span{position:absolute;left:18px;bottom:16px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:#fff}
@media(max-width:980px){.menu .mi:not(.keep){display:none}}

/* ===== bố cục chung ===== */
section{position:relative}
.sec{padding:clamp(90px,12vw,170px) var(--pad)}
.sechead{display:flex;align-items:center;gap:22px;margin-bottom:clamp(40px,6vw,80px)}
.sechead .ln{flex:1;height:1px;background:var(--line)}

/* hero */
.hero{height:100vh;min-height:640px;overflow:hidden;background:#000}
.hero .sl{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.08);transition:opacity 1.6s ease,transform 9s linear}
.hero .sl.on{opacity:1;transform:scale(1)}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.75) 0%,rgba(0,0,0,.3) 55%,rgba(0,0,0,.12)),linear-gradient(0deg,rgba(0,0,0,.65),rgba(0,0,0,0) 45%)}
.hero .ring{z-index:1;right:-12vw;top:50%;width:min(92vh,980px);height:min(92vh,980px);transform:translateY(-50%);stroke:rgba(255,255,255,.22)}
.hero .ring .dash{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.4s cubic-bezier(.5,.1,.3,1) 1.2s forwards}
.hero .in{position:absolute;left:var(--pad);bottom:clamp(70px,12vh,130px);z-index:2;max-width:1000px}
.hero h1{font-size:clamp(52px,9vw,148px);margin:26px 0 30px}
.hero p{max-width:470px;color:var(--soft);font-size:17px;margin-bottom:38px}
.hero .side{position:absolute;right:calc(var(--pad) + 80px);bottom:clamp(70px,12vh,130px);z-index:2;display:flex;align-items:center;gap:22px}
.prog{width:74px;height:74px;position:relative}
.prog svg{width:100%;height:100%;transform:rotate(90deg)}
.prog circle{fill:none;stroke-width:1.2}
.prog .bgc{stroke:rgba(255,255,255,.2)}
.prog .fg{stroke:var(--red2);stroke-dasharray:226;stroke-dashoffset:226}
.prog .fg.run{animation:prog 6.5s linear forwards}
@keyframes prog{to{stroke-dashoffset:0}}
.prog b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font:300 22px var(--disp);color:var(--white)}
.hero .cap{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--soft);text-align:right}
.hero .cap i{display:block;font-style:normal;color:var(--text);margin-top:6px}
.hero .bars{display:flex;gap:6px;margin-top:12px;justify-content:flex-end}
.hero .bars i{width:26px;height:2px;background:rgba(255,255,255,.25);cursor:pointer}
.hero .bars i.on{background:var(--red2)}
/* chỉ dẫn cuộn = cột đôi trong logo */
.scroll{position:absolute;left:50%;bottom:26px;z-index:2;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;font-size:9px;letter-spacing:.45em;color:var(--text)}
.scroll svg{width:22px;height:54px}
.scroll rect{fill:none;stroke:rgba(255,255,255,.6);stroke-width:1.2}
.scroll circle{fill:var(--red2);animation:bob 1.8s ease-in-out infinite}
.scroll circle+circle{animation-delay:.25s}
@keyframes bob{50%{transform:translateY(-5px)}}
@media(max-width:820px){.hero .side{display:none}}

/* giới thiệu: số 22 trong vòng logo */
.about{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,6vw,110px);align-items:center}
.numwrap{position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center}
.numwrap .ring{inset:0;width:100%;height:100%;stroke:rgba(255,255,255,.18)}
.num{position:relative;font:300 clamp(170px,24vw,380px)/.8 var(--disp);letter-spacing:-.04em;background-size:cover;background-position:center;-webkit-background-clip:text;background-clip:text;color:transparent}
.numwrap .cap{position:absolute;bottom:9%;left:50%;transform:translateX(-50%);font-size:10px;letter-spacing:.4em;text-transform:uppercase;white-space:nowrap}
.about h2{font-size:clamp(32px,4vw,58px);margin:18px 0 28px}
.about p{max-width:520px;margin-bottom:18px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:46px;border-top:1px solid var(--line)}
.stats div{padding:24px 0}
.stats b{display:block;font:300 clamp(34px,3.6vw,52px)/1 var(--disp);color:var(--white)}
.stats b i{font-style:normal;color:var(--red2)}
.stats span{font-size:11px;letter-spacing:.22em;text-transform:uppercase}
@media(max-width:820px){.about{grid-template-columns:1fr}}

/* dự án tiêu biểu */
.panels{display:flex;height:86vh;min-height:560px;border-top:1px solid var(--line)}
.pn{position:relative;flex:1;overflow:hidden;border-right:1px solid var(--line);transition:flex .9s cubic-bezier(.2,.7,.2,1);cursor:pointer}
.pn:hover{flex:2.4}
.pn .im{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.6) saturate(.85);transition:filter .9s,transform 1.6s}
.pn:hover .im{filter:brightness(.9) saturate(1);transform:scale(1.04)}
.pn .no{position:absolute;top:28px;left:28px;display:flex;align-items:center;gap:10px;font:300 13px Roboto;letter-spacing:.25em;color:var(--soft)}
.pn .no:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red2)}
.pn .vt{position:absolute;left:24px;top:50%;transform:rotate(180deg) translateY(50%);writing-mode:vertical-rl;font-size:10px;letter-spacing:.4em;color:var(--soft);text-transform:uppercase}
.pn .tx{position:absolute;left:28px;right:28px;bottom:32px}
.pn .tx h3{font:300 clamp(22px,2.2vw,34px)/1.05 var(--disp);color:var(--white);text-transform:uppercase}
.pn .tx p{font-size:11px;letter-spacing:.26em;text-transform:uppercase;margin-top:12px;color:var(--soft)}
.pn .tx .rl{display:block;width:0;height:1px;background:var(--red2);margin-top:18px;transition:width .8s}
.pn:hover .tx .rl{width:70px}
@media(max-width:820px){.panels{flex-direction:column;height:auto}.pn{height:60vh;flex:none}.pn:hover{flex:none}}

/* lĩnh vực: ảnh trong khung vòm như logo */
.svc{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,28px)}
.svc .it .ph{aspect-ratio:3/4;background-size:cover;background-position:center;filter:grayscale(.15) brightness(.8);transition:.8s;border-radius:999px 999px 0 0}
.svc .it:hover .ph{filter:none}
.svc .it b{display:flex;align-items:center;gap:14px;font:300 46px/1 var(--disp);color:var(--white);margin:26px 0 12px}
.svc .it h4{font:400 12px Roboto;letter-spacing:.28em;text-transform:uppercase;color:var(--white);margin-bottom:10px}
.svc .it p{font-size:14px}
.svc .it a{display:inline-flex;gap:12px;align-items:center;margin-top:14px;font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--soft)}
@media(max-width:900px){.svc{grid-template-columns:1fr 1fr}}

/* khách hàng */
.clients{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.clients div{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:42px 20px;text-align:center;font:300 clamp(16px,1.6vw,22px)/1.2 var(--disp);letter-spacing:.14em;text-transform:uppercase;color:var(--soft);transition:.4s}
.clients div:hover{color:var(--white);background:rgba(255,255,255,.03)}
.clients small{display:block;font:400 10px Roboto;letter-spacing:.3em;color:#666;margin-top:10px}
@media(max-width:820px){.clients{grid-template-columns:1fr 1fr}}

/* quy trình: trục có nút tròn như chấm logo */
.steps{display:grid;grid-template-columns:repeat(4,1fr);position:relative;padding-top:46px}
.steps:before{content:"";position:absolute;left:0;right:0;top:12px;height:1px;background:var(--line)}
.steps div{position:relative;padding-right:30px}
.steps div:before{content:"";position:absolute;top:-41px;left:0;width:13px;height:13px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:var(--bg)}
.steps div:first-child:before{background:var(--red2);border-color:var(--red2)}
.steps b{font:300 88px/1 var(--disp);color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.35)}
.steps h4{font:400 13px Roboto;letter-spacing:.24em;text-transform:uppercase;color:var(--white);margin:22px 0 10px}
.steps p{font-size:14px}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:60px}}

/* lời mời */
.cta{min-height:94vh;display:flex;align-items:center;padding:0 var(--pad);background-size:cover;background-position:center;overflow:hidden}
.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.88),rgba(0,0,0,.45))}
.cta .ring{left:var(--pad);top:50%;transform:translate(-18%,-50%);width:min(86vh,820px);height:min(86vh,820px);stroke:rgba(255,255,255,.2)}
.cta .in{position:relative;padding-left:clamp(10px,6vw,120px)}
.cta h2{font-size:clamp(48px,8vw,128px);margin:22px 0 40px}

/* chân trang trang trọng */
footer{border-top:1px solid var(--line)}
.fbrand{padding:clamp(80px,10vw,140px) var(--pad) 60px;text-align:center;border-bottom:1px solid var(--line)}
.fbrand img{width:clamp(170px,16vw,230px);margin:0 auto 28px}
.fbrand p{font-size:11px;letter-spacing:.42em;text-transform:uppercase}
.fcols{padding:60px var(--pad) 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:40px;font-size:14px}
.fcols h5{display:flex;align-items:center;gap:10px;font:400 11px Roboto;letter-spacing:.3em;text-transform:uppercase;color:var(--white);margin-bottom:16px}
.fcols a{display:block;padding:3px 0}
.fcols a:hover{color:var(--white)}
.fcp{padding:24px var(--pad) 70px;border-top:1px solid var(--line);font-size:11px;letter-spacing:.2em;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media(max-width:820px){.fcols{grid-template-columns:1fr 1fr}}

/* trang dự án */
.phead{padding:clamp(150px,18vw,230px) var(--pad) 40px;position:relative;overflow:hidden}
.phead .ring{right:-8vw;top:-20vh;width:70vh;height:70vh}
.phead h1{font-size:clamp(70px,13vw,210px)}
.phead h1 sup{font:300 .18em Roboto;letter-spacing:.1em;color:var(--red2);vertical-align:top;margin-left:12px}
.phead .crumb{margin-top:18px;font-size:11px;letter-spacing:.3em;text-transform:uppercase}
.tabs{display:flex;gap:clamp(18px,3vw,46px);padding:0 var(--pad);border-bottom:1px solid var(--line);flex-wrap:wrap}
.tabs button{background:none;border:0;color:var(--text);padding:20px 0;font:300 clamp(18px,1.8vw,26px) var(--disp);letter-spacing:.06em;text-transform:uppercase;cursor:pointer;position:relative}
.tabs button sup{font:400 10px Roboto;color:#666;margin-left:6px}
.tabs button.on,.tabs button:hover{color:var(--white)}
.tabs button.on:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--red2)}
.subs{display:flex;gap:10px;flex-wrap:wrap;padding:22px var(--pad) 34px;min-height:20px}
.subs button{background:none;border:1px solid var(--line);color:var(--soft);padding:9px 16px;font:400 10px Roboto;letter-spacing:.28em;text-transform:uppercase;cursor:pointer;border-radius:999px}
.subs button.on,.subs button:hover{border-color:var(--red2);color:var(--white)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:#000}
.card{position:relative;overflow:hidden;aspect-ratio:4/3;cursor:pointer;background:#000}
.card.wide{grid-column:1/-1;aspect-ratio:auto;height:88vh}
.card .im{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 1.8s cubic-bezier(.2,.7,.2,1),filter .8s;filter:brightness(.82)}
.card:hover .im{transform:scale(1.045);filter:brightness(1)}
.card:after{content:"";position:absolute;inset:auto 0 0 0;height:50%;background:linear-gradient(0deg,rgba(0,0,0,.78),rgba(0,0,0,0))}
.card .tx{position:absolute;left:clamp(20px,3vw,48px);bottom:clamp(20px,3vw,44px);z-index:2;right:30px}
.card .tx .n{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.3em;color:var(--soft);text-transform:uppercase}
.card .tx h3{font:300 clamp(26px,3vw,50px)/1 var(--disp);text-transform:uppercase;color:var(--white);margin:10px 0 12px}
.card .tx p{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--soft)}
.card .tx .rl{display:block;width:34px;height:1px;background:var(--red2);margin-top:16px;transition:width .8s}
.card:hover .tx .rl{width:90px}
.tag{display:inline-block;border:1px solid rgba(255,255,255,.3);padding:3px 9px;font:400 9px Roboto;letter-spacing:.24em;text-transform:uppercase;color:var(--soft)}
@media(max-width:820px){.grid{grid-template-columns:1fr}.card.wide{height:auto;aspect-ratio:4/3}}

/* chi tiết dự án */
.dhero{height:100vh;min-height:600px;background-size:cover;background-position:center;overflow:hidden}
.dhero:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.82),rgba(0,0,0,0) 55%)}
.dhero .in{position:absolute;left:var(--pad);right:var(--pad);bottom:clamp(50px,8vh,100px);z-index:2;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.dhero h1{font-size:clamp(46px,8vw,130px);margin-top:18px}
.info{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 var(--pad)}
.info div{padding:28px 0 28px 24px;border-right:1px solid var(--line)}
.info div:first-child{padding-left:0}.info div:last-child{border:0}
.info span{display:block;font-size:10px;letter-spacing:.32em;text-transform:uppercase;margin-bottom:8px}
.info b{font-weight:300;color:var(--white);font-size:17px}
@media(max-width:820px){.info{grid-template-columns:1fr 1fr}.info div{padding-left:0}}
.desc{padding:clamp(60px,8vw,110px) var(--pad);display:grid;grid-template-columns:1fr 1.4fr;gap:60px}
.desc h2{font-size:clamp(28px,3.4vw,50px)}
.desc p{font-size:18px;color:var(--soft);max-width:720px}
.desc .cats{margin-top:22px;display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:820px){.desc{grid-template-columns:1fr}}
.strip{display:flex;gap:6px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 var(--pad);scrollbar-width:none;height:80vh}
.strip::-webkit-scrollbar{display:none}
.strip img{height:100%;width:auto;max-width:none;scroll-snap-align:center;cursor:zoom-in;background:#000}
.ctl{display:flex;justify-content:space-between;align-items:center;padding:26px var(--pad) 0}
.ctl .c{font:300 13px Roboto;letter-spacing:.2em}
.ctl .c b{font:300 30px var(--disp);color:var(--red2);margin-right:4px}
.ctl button{background:none;border:1px solid var(--line);color:var(--white);width:54px;height:54px;cursor:pointer;font-size:18px;margin-left:8px;border-radius:50%}
.ctl button:hover{border-color:var(--red2)}
.mason{columns:3 360px;column-gap:6px;padding:clamp(60px,8vw,110px) var(--pad) 0}
.mason img{width:100%;margin-bottom:6px;break-inside:avoid;cursor:zoom-in;filter:brightness(.92);transition:filter .4s}
.mason img:hover{filter:none}
.next{height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;background-size:cover;background-position:center;cursor:pointer;margin-top:clamp(70px,9vw,130px);overflow:hidden}
.next:before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.62);transition:.6s}
.next:hover:before{background:rgba(0,0,0,.38)}
.next .ring{left:50%;top:50%;transform:translate(-50%,-50%);width:62vh;height:62vh;stroke:rgba(255,255,255,.28)}
.next .in{position:relative}
.next h2{font-size:clamp(40px,7vw,110px);margin-top:14px}

/* hộp xem ảnh */
.lb{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.97);display:none;align-items:center;justify-content:center}
.lb.on{display:flex}
.lb img{max-width:94vw;max-height:88vh;object-fit:contain}
.lb .x{position:absolute;top:22px;right:30px;font:300 30px Roboto;color:var(--white);cursor:pointer}
.lb .pv,.lb .nx{position:absolute;top:50%;font:300 40px Roboto;color:var(--white);cursor:pointer;padding:20px}
.lb .pv{left:10px}.lb .nx{right:10px}
.lb .ct{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);font-size:12px;letter-spacing:.3em}

.float{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float a{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.3);background:rgba(10,10,10,.85);color:var(--white);font:500 10px Roboto;letter-spacing:.1em}
.float a.z{background:var(--red);border-color:var(--red)}
.fade{opacity:0;transform:translateY(30px);transition:1s cubic-bezier(.2,.7,.2,1)}
.fade.in{opacity:1;transform:none}

/* ===== bổ sung cho theme ===== */
.intro.skip{display:none}
.screen-reader-text{position:absolute;left:-9999px}
.burger{display:none;background:none;border:1px solid var(--line);width:46px;height:46px;border-radius:50%;cursor:pointer;position:relative}
.burger i{position:absolute;left:14px;right:14px;height:1px;background:#fff;transition:.3s}
.burger i:nth-child(1){top:18px}.burger i:nth-child(2){top:26px}
.mnav{position:fixed;inset:0;z-index:45;background:rgba(6,6,6,.98);padding:110px var(--pad) 40px;overflow:auto;opacity:0;visibility:hidden;transition:.35s}
.mnav.on{opacity:1;visibility:visible}
.mnav a{display:block;font:300 30px/1.5 var(--disp);text-transform:uppercase;color:var(--white)}
.mnav .s a{font:400 12px/2.4 Roboto;letter-spacing:.24em;color:var(--text);padding-left:18px}
@media(max-width:980px){.burger{display:block}}
/* trang thường, bài viết */
.phero{padding:clamp(150px,18vw,220px) var(--pad) 50px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.phero .ring{right:-8vw;top:-20vh;width:70vh;height:70vh}
.phero h1{font-size:clamp(46px,8vw,120px)}
.phero .meta{margin-top:18px;font-size:11px;letter-spacing:.3em;text-transform:uppercase}
.content{max-width:860px;margin:0 auto;padding:clamp(60px,8vw,110px) var(--pad);font-size:17px;color:var(--soft)}
.content h2,.content h3{font-family:var(--disp);font-weight:300;text-transform:uppercase;color:var(--white);margin:1.6em 0 .6em;line-height:1.1}
.content h2{font-size:clamp(28px,3vw,40px)}.content h3{font-size:24px}
.content p,.content ul,.content ol{margin-bottom:1.2em}
.content ul,.content ol{padding-left:1.4em}
.content a{color:var(--white);border-bottom:1px solid var(--red2)}
.content img{height:auto;margin:1.6em 0}
.content blockquote{border-left:2px solid var(--red2);padding-left:22px;font-size:20px;color:var(--white)}
.content.wide{max-width:none}
.content .vc_row{margin-left:0;margin-right:0}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:#000}
.posts a{position:relative;aspect-ratio:4/3;background:#111 center/cover;display:block;overflow:hidden}
.posts a:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.8),rgba(0,0,0,.1))}
.posts .tx{position:absolute;left:26px;right:26px;bottom:24px;z-index:2}
.posts h3{font:300 24px/1.1 var(--disp);text-transform:uppercase;color:var(--white);margin-top:8px}
.pager{display:flex;gap:10px;justify-content:center;padding:50px}
.pager a,.pager span{border:1px solid var(--line);width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px}
.pager .current{border-color:var(--red2);color:#fff}
@media(max-width:820px){.posts{grid-template-columns:1fr}}
.nf{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;position:relative;overflow:hidden}
.nf .ring{left:50%;top:50%;transform:translate(-50%,-50%);width:80vh;height:80vh}
.nf h1{font-size:clamp(90px,16vw,240px)}
body.admin-bar nav.top{top:32px}
@media(max-width:782px){body.admin-bar nav.top{top:46px}}
.mega h6 a{display:flex;align-items:center;gap:12px;color:inherit}
.next{display:flex;position:relative}
.subs[hidden]{display:none}
.card.hide{display:none}

/* ===== kiến trúc sư chủ trì ===== */
.lead{display:grid;grid-template-columns:minmax(260px,.85fr) 1.3fr;gap:clamp(40px,7vw,120px);align-items:start}
.portrait{position:relative;margin-top:40px}
.portrait .ph{position:relative;aspect-ratio:4/5;border-radius:999px 999px 0 0;overflow:hidden;background:#000;z-index:1}
.portrait .ph img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;filter:grayscale(1) contrast(1.06);transition:filter 1.2s}
.portrait:hover .ph img{filter:grayscale(0)}
.portrait .ring{left:-6%;top:-6%;width:112%;height:auto;aspect-ratio:1;stroke:rgba(255,255,255,.2)}
.portrait .dots{position:absolute;left:50%;top:-40px;transform:translateX(-50%);display:flex;gap:12px;z-index:2}
.portrait .dots i{width:9px;height:9px;border-radius:50%;background:var(--red2)}
.portrait figcaption{position:relative;z-index:1;margin-top:20px;font-size:10px;letter-spacing:.32em;text-transform:uppercase;display:flex;justify-content:space-between}
.lead h2{font-size:clamp(46px,6.4vw,100px);margin:16px 0 12px}
.lead .role{font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--soft);margin-bottom:30px}
.lead .bio{font-size:17px;color:var(--soft);max-width:660px;margin-bottom:14px}
.cred{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 42px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.facts div{padding:24px 18px 24px 0;border-bottom:1px solid var(--line)}
.facts b{display:block;font:300 clamp(38px,3.8vw,58px)/1 var(--disp);color:var(--white);margin-bottom:8px}
.facts b i{font-style:normal;color:var(--red2)}
.facts span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;line-height:1.6;display:block}
.tl{margin-top:50px}
.tl h4{font:400 11px Roboto;letter-spacing:.32em;text-transform:uppercase;color:var(--white);margin-bottom:10px;display:flex;align-items:center;gap:12px}
.tl div{display:grid;grid-template-columns:130px 1fr;gap:24px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.tl b{font:300 19px/1.4 var(--disp);color:var(--white);letter-spacing:.04em}
.tl span{font-size:15px}
.tl div.now b{color:var(--red2)}
@media(max-width:900px){.lead{grid-template-columns:1fr}.portrait{max-width:420px}.facts{grid-template-columns:1fr 1fr}.tl div{grid-template-columns:96px 1fr}}

/* ===== ảnh thật (thẻ img, chuẩn SEO) thay ảnh nền ===== */
.hero img.sl,.pn img.im,.card img.im,.dhero img.dimg,.next img.nimg,.cta img.ctaimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;max-width:none}
.cta img.ctaimg,.next img.nimg,.dhero img.dimg{z-index:0}
.cta:before,.next:before,.dhero:after{z-index:1}
.cta .ring,.next .ring{z-index:1}
.cta .in,.next .in,.dhero .in{z-index:2}
.svc .it .phw{border-radius:999px 999px 0 0;overflow:hidden;aspect-ratio:3/4;background:#111}
.svc .it img.ph{width:100%;height:100%;object-fit:cover;display:block;border-radius:0;filter:grayscale(.15) brightness(.8);transition:.8s}
.svc .it:hover img.ph{filter:none}
.svc .it .h4,.steps .h4{font:400 12px Roboto;letter-spacing:.28em;text-transform:uppercase;color:var(--white);margin:0 0 10px}
.steps .h4{font-size:13px;letter-spacing:.24em;margin:22px 0 10px}
.cta .addr{margin-top:28px;font-size:12px;letter-spacing:.24em;text-transform:uppercase}

/* ===== BNI trong mục kiến trúc sư ===== */
.bnirow{display:flex;gap:28px;align-items:center;margin:42px 0 0;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bnirow img{width:150px;height:auto;flex:none}
.bnirow h4{display:flex;align-items:center;gap:12px;font:400 11px Roboto;letter-spacing:.32em;text-transform:uppercase;color:var(--white);margin-bottom:10px}
.bnirow ul{list-style:none;columns:2 240px;column-gap:30px}
.bnirow li{position:relative;padding-left:18px;margin-bottom:6px;color:var(--soft);font-size:15px;break-inside:avoid}
.bnirow li:before{content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:50%;background:var(--red2)}
@media(max-width:700px){.bnirow{flex-direction:column;align-items:flex-start}}

/* ===== hệ sinh thái ===== */
.eco-head{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:56px}
.eco-head h2{font-size:clamp(36px,4.6vw,72px)}
.eco-head p{font-size:17px;color:var(--soft);max-width:560px}
.eco{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.eit{position:relative;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 26px 30px;display:flex;flex-direction:column;min-height:440px;transition:background .4s}
.eit:hover{background:rgba(255,255,255,.03)}
.eit.main{background:rgba(142,27,27,.10)}
.eit .eno{font-size:11px;letter-spacing:.3em;color:var(--text);display:flex;align-items:center;gap:10px}
.eit .eno:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red2)}
.eit .elogo{height:110px;display:flex;align-items:center;margin:26px 0 18px}
.eit .elogo img{max-height:84px;max-width:160px;width:auto;height:auto;opacity:.92}
.eit .elogo .wm{font:300 30px/1 var(--disp);letter-spacing:.14em;text-transform:uppercase;color:var(--white)}
.eit h3{font:400 13px Roboto;letter-spacing:.28em;text-transform:uppercase;color:var(--white);margin-bottom:6px}
.eit .efield{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--red2);margin-bottom:16px}
.eit p{font-size:14px;line-height:1.7;flex:1}
.eit .erole{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--soft)}
.bni{display:grid;grid-template-columns:260px 1fr;gap:50px;align-items:center;margin-top:60px;padding:40px;border:1px solid var(--line);position:relative}
.bni img{width:100%;height:auto}
.bni h3{font-size:clamp(30px,3vw,46px);margin:10px 0 14px}
.bni p{color:var(--soft);margin-bottom:14px}
.bni ul{list-style:none;columns:2 260px;column-gap:30px}
.bni li{position:relative;padding-left:18px;margin-bottom:8px;color:var(--white);break-inside:avoid}
.bni li:before{content:"";position:absolute;left:0;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--red2)}
@media(max-width:1100px){.eco{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.eco{grid-template-columns:1fr 1fr}.eco-head{grid-template-columns:1fr;gap:20px}.bni{grid-template-columns:1fr;padding:26px}.bni img{max-width:220px}}
@media(max-width:520px){.eco{grid-template-columns:1fr}.eit{min-height:0}}

/* ===== hỏi đáp ===== */
.faq{border-top:1px solid var(--line);max-width:1100px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;gap:26px;align-items:baseline;padding:26px 40px 26px 0;position:relative;font:300 clamp(20px,2vw,28px)/1.3 var(--disp);color:var(--white)}
.faq summary::-webkit-details-marker{display:none}
.faq summary span{font:400 11px Roboto;letter-spacing:.3em;color:var(--red2);flex:none}
.faq summary:after{content:"+";position:absolute;right:6px;top:22px;font:300 28px Roboto;color:var(--soft);transition:transform .3s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{padding:0 40px 28px 50px;color:var(--soft);font-size:17px;max-width:900px}

/* ===== thực chứng giá trị ===== */
.manifesto{font:300 clamp(28px,3.6vw,56px)/1.25 var(--disp);color:var(--white);max-width:1200px;margin-bottom:clamp(60px,8vw,110px)}
.manifesto em{font-style:normal;color:var(--red2);text-transform:uppercase}
.story{display:grid;grid-template-columns:1.15fr 1fr;gap:0;border-top:1px solid var(--line);margin-bottom:2px;background:var(--bg2)}
.story.rev{grid-template-columns:1fr 1.15fr}
.story.rev .sv{order:2}
.story .sv{position:relative;min-height:520px;overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center}
.story .sv img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.story .sv .ring{left:50%;top:50%;transform:translate(-50%,-50%);width:86%;height:auto;aspect-ratio:1;stroke:rgba(255,255,255,.16)}
.story .big{position:relative;display:flex;align-items:baseline;gap:18px;font-family:var(--disp);font-weight:300}
.story .big span{font-size:clamp(50px,6vw,96px);color:#555;text-decoration:line-through;text-decoration-thickness:1px}
.story .big i{font-style:normal;font-size:40px;color:var(--soft)}
.story .big b{font-weight:300;font-size:clamp(90px,11vw,180px);color:var(--red2);line-height:1}
.story .st{padding:clamp(34px,5vw,70px)}
.story h3{font-size:clamp(32px,3.4vw,54px);margin:14px 0 18px}
.story .ctx{color:var(--soft);font-size:17px;margin-bottom:30px}
.story .cmp{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.story .cmp div{padding:24px 20px 24px 0}
.story .cmp .new{padding-left:24px;border-left:1px solid var(--line)}
.story .cmp b{display:block;font:300 clamp(46px,5vw,76px)/1 var(--disp)}
.story .cmp .old b{color:#5a5a5a}
.story .cmp .new b{color:var(--red2)}
.story .cmp span{display:block;margin-top:10px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;line-height:1.6}
.story .cmp .old span{color:#777}
.story .res{margin-top:26px;font-size:16px;color:var(--soft)}
.story .res strong{color:var(--white);font-weight:400}
@media(max-width:900px){.story,.story.rev{grid-template-columns:1fr}.story.rev .sv{order:0}.story .sv{min-height:340px}}
.lq{margin:30px 0 6px;padding:6px 0 6px 26px;border-left:2px solid var(--red2);font:300 clamp(20px,2vw,28px)/1.45 var(--disp);color:var(--white)}
.lq cite{display:block;margin-top:12px;font:400 10px Roboto;letter-spacing:.32em;text-transform:uppercase;color:var(--text);font-style:normal}

/* ===== hộp xem ảnh mới ===== */
.glb{position:fixed;inset:0;z-index:300;background:#000;display:none;flex-direction:column;user-select:none;-webkit-user-select:none}
.glb.on{display:flex}
.glb-top{display:flex;align-items:center;gap:20px;padding:14px clamp(14px,3vw,30px);font-size:12px;letter-spacing:.24em}
.glb-c{color:#fff;font:300 18px var(--disp);letter-spacing:.1em}
.glb-hint{flex:1;color:#777;font-size:10px;letter-spacing:.2em;text-transform:uppercase}
.glb-x{background:none;border:1px solid rgba(255,255,255,.3);color:#fff;width:44px;height:44px;border-radius:50%;font:300 26px/1 Roboto;cursor:pointer}
.glb-stage{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:pan-y pinch-zoom}
.glb-img{max-width:94vw;max-height:100%;object-fit:contain;transition:opacity .25s,transform .15s;cursor:zoom-in}
.glb-img.fade{opacity:.15}
.glb-stage.zoom .glb-img{cursor:zoom-out;max-width:none}
.glb-p,.glb-n{position:absolute;top:50%;transform:translateY(-50%);width:54px;height:54px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(0,0,0,.4);color:#fff;font:300 32px/1 Roboto;cursor:pointer}
.glb-p{left:18px}.glb-n{right:18px}
.glb-p:hover,.glb-n:hover,.glb-x:hover{border-color:var(--red2)}
.glb-th{display:flex;gap:6px;overflow-x:auto;padding:12px clamp(14px,3vw,30px) 16px;scrollbar-width:none}
.glb-th::-webkit-scrollbar{display:none}
.glb-th button{flex:none;height:62px;padding:0;border:1px solid transparent;background:none;opacity:.45;cursor:pointer;transition:.25s}
.glb-th button.on,.glb-th button:hover{opacity:1;border-color:var(--red2)}
.glb-th img{height:100%;width:auto;display:block}
.strip{cursor:grab}
.strip img{-webkit-user-drag:none}

/* ===== máy tính bảng ===== */
@media (max-width:1100px){
  .hero h1{font-size:clamp(46px,8vw,96px)}
  .panels{height:70vh}
  .lead{gap:48px}
  .story .st{padding:40px}
}

/* ===== điện thoại ===== */
@media (max-width:600px){
  nav.top{padding:14px 16px}
  .brand{gap:10px}.brand img{width:34px;height:34px}
  .brand span{font-size:12px;letter-spacing:.42em}
  .brand small{display:none}
  .menu .quote{padding:8px 12px!important;white-space:nowrap;font-size:10px}
  .scroll{display:none}
  .hero .in{bottom:56px}
  .hero h1{margin:18px 0 20px}
  .hero p{font-size:15px;margin-bottom:26px}
  .btn{padding:13px 18px;letter-spacing:.22em}
  .hero .btn{margin-bottom:8px}
  .float{right:12px;bottom:14px;gap:8px}
  .float a{width:46px;height:46px;font-size:9px}
  .sec{padding:72px 18px}
  .sechead{margin-bottom:32px;gap:14px}
  .about h2,.lead h2{font-size:42px}
  .stats,.facts{grid-template-columns:1fr 1fr}
  .tl div{grid-template-columns:84px 1fr;gap:14px}
  .bnirow ul,.bni ul{columns:1}
  .story .cmp{grid-template-columns:1fr}
  .story .cmp .new{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .manifesto{font-size:26px}
  .clients div{padding:28px 12px}
  .steps{grid-template-columns:1fr}
  .faq summary{font-size:19px;gap:14px;padding-right:34px}
  .faq details p{padding:0 0 22px 0;font-size:15px}
  .cta h2{font-size:52px}
  .cta .btn{margin-bottom:10px}
  .fcols{grid-template-columns:1fr}
  .phead h1{font-size:64px}
  .tabs{gap:16px;overflow-x:auto;flex-wrap:nowrap}
  .tabs button{white-space:nowrap;font-size:17px}
  .subs{flex-wrap:nowrap;overflow-x:auto;padding:16px 18px 24px}
  .subs button{white-space:nowrap}
  .card .tx h3{font-size:24px}
  .dhero h1{font-size:40px}
  .info{grid-template-columns:1fr 1fr;margin:0 18px}
  .strip{height:56vh}
  .ctl .label{display:none}
  .glb-hint{display:none}
  .glb-p,.glb-n{display:none}
  .glb-th button{height:48px}
}

/* ===== kiến thức ===== */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:#000;padding:0}
.pc{position:relative;display:block;background:var(--bg2);overflow:hidden}
.pc.big{grid-column:span 2;grid-row:span 2}
.pc .pcim{aspect-ratio:16/10;overflow:hidden;background:#111}
.pc.big .pcim{aspect-ratio:16/9}
.pc .pcim img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s cubic-bezier(.2,.7,.2,1)}
.pc:hover .pcim img{transform:scale(1.04)}
.pc .pctx{padding:24px 26px 30px}
.pc h3{font:300 clamp(20px,1.8vw,26px)/1.2 var(--disp);text-transform:uppercase;color:var(--white);margin:12px 0}
.pc.big h3{font-size:clamp(28px,2.8vw,42px)}
.pc p{font-size:15px}
.pc .rl{display:block;width:30px;height:1px;background:var(--red2);margin-top:16px;transition:width .6s}
.pc:hover .rl{width:80px}
.crumbs{font-size:11px;letter-spacing:.24em;text-transform:uppercase;position:relative}
.crumbs a:hover{color:#fff}
.post-cover{padding:0 var(--pad);margin-top:50px}
.post-cover img{width:100%;height:auto;max-height:80vh;object-fit:cover}
.post .content h2{scroll-margin-top:100px}
.author{max-width:860px;margin:0 auto 90px;padding:34px;border:1px solid var(--line);display:flex;gap:30px;align-items:flex-start;margin-left:auto;margin-right:auto}
.author img{width:120px;height:auto;border-radius:999px 999px 0 0;filter:grayscale(1)}
.author h3{font:300 30px var(--disp);text-transform:uppercase;color:#fff;margin:8px 0 10px}
.author p{margin-bottom:18px}
@media(max-width:900px){.pgrid{grid-template-columns:1fr 1fr}.pc.big{grid-column:1/-1;grid-row:auto}}
@media(max-width:600px){.pgrid{grid-template-columns:1fr}.author{flex-direction:column;margin:0 18px 70px;padding:24px}}