/* =====================================================================
   PHUM STUDIO — Vương Phúc
   Layout: contact-sheet editorial — ảnh đi trước, chữ nhỏ, đỏ chỉ là dấu chấm lấy nét
   ===================================================================== */
:root{
  --bg:#0b0b0b; --bg-2:#141414; --ink:#f1f0ec; --mute:#8d8c88; --dim:#5b5a57;
  --line:rgba(241,240,236,.12); --red:#e3261b;
  /* Một họ font duy nhất: Archivo — đổi độ rộng & độ đậm để tạo tầng lớp */
  --f:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-mark:var(--f); --f-serif:var(--f); --f-body:var(--f); --f-mono:var(--f);
  --gut:clamp(16px,3.2vw,56px);
  --ease:cubic-bezier(.2,.7,.1,1);
  --head:64px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.6 var(--f-body);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:1.5px solid var(--red);outline-offset:3px}
.wrap{padding-inline:var(--gut)}
.mono{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.mute{color:var(--mute)}
.serif{font-family:var(--f-serif);font-weight:400}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.dot{display:inline-block;width:.32em;height:.32em;border-radius:50%;background:var(--red);vertical-align:.18em;margin:0 .08em}

/* ---------- Logo chữ ---------- */
.mark{font-family:var(--f-mark);font-weight:560;font-stretch:118%;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;display:inline-flex;align-items:center;gap:.06em}
.mark .dot{width:.36em;height:.36em;vertical-align:0}
.mark img{height:1.1em;width:auto}

/* ---------- Header ---------- */
.head{position:fixed;inset:0 0 auto 0;z-index:40;padding-top:env(safe-area-inset-top,0px);mix-blend-mode:difference;color:#fff;pointer-events:none}
.head .wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:var(--head);gap:16px}
.head a,.head button{pointer-events:auto}
.head .mark{font-size:15px;justify-self:start}
.nav{display:flex;gap:28px}
.nav a{font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;padding:8px 0;position:relative}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.head .by{justify-self:end;display:flex;align-items:center;gap:18px;font:500 12px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase}
.lang{display:flex;gap:6px;align-items:center}
.lang button{opacity:.45;padding:6px 0;font:inherit;letter-spacing:inherit}
.lang button[aria-pressed="true"]{opacity:1}
@media (max-width:760px){
  .head .wrap{grid-template-columns:auto 1fr auto;height:56px;gap:14px}
  .head .mark{font-size:13px}
  .nav{justify-self:end;gap:14px}
  .head .by .who{display:none}
}

/* ---------- Intro (lần đầu vào trang) ---------- */
.intro{position:fixed;inset:0;z-index:100;display:grid;place-items:center;pointer-events:auto}
.intro .half{position:absolute;left:0;right:0;height:50.5%;background:#050505;transition:transform 1s var(--ease)}
.intro .half.t{top:0}.intro .half.b{bottom:0}
.intro .in{position:relative;text-align:center;transition:opacity .4s}
.intro .mark{font-size:clamp(28px,7vw,88px)}
.intro .mark span{display:inline-block;opacity:0;transform:translateY(40%);transition:opacity .5s,transform .7s var(--ease)}
.intro .mark .dot{opacity:0;transform:scale(0);transition:transform .35s var(--ease),opacity .2s}
.intro .sub{margin-top:18px;opacity:0;transition:opacity .6s .1s}
.intro .skip{position:absolute;right:var(--gut);bottom:calc(20px + env(safe-area-inset-bottom,0px));opacity:.5}
.intro.s1 .mark span{opacity:1;transform:none}
.intro.s2 .mark .dot{opacity:1;transform:scale(1);animation:af .5s 2}
.intro.s3 .sub{opacity:1}
.intro.s4 .in{opacity:0}
.intro.s4 .half.t{transform:translateY(-101%)}
.intro.s4 .half.b{transform:translateY(101%)}
.intro.done{display:none}
@keyframes af{50%{opacity:.15}}

/* ---------- Chuyển trang (màn trập) ---------- */
.curtain{position:fixed;inset:0;z-index:90;background:#050505;transform:scaleY(0);transform-origin:bottom;pointer-events:none;transition:transform .45s var(--ease)}
.curtain.on{transform:scaleY(1);transform-origin:top}

/* ---------- Hero ---------- */
.hero{position:relative;height:100svh;min-height:520px;max-height:1400px;overflow:hidden;background:var(--bg-2)}
.hero .sl{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease}
.hero .sl.on{opacity:1}
.hero .sl img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 7s linear}
.hero .sl.on img{transform:scale(1)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),transparent 22%,transparent 60%,rgba(0,0,0,.6));pointer-events:none}
.hero .cap{position:absolute;z-index:2;left:var(--gut);right:var(--gut);bottom:calc(28px + env(safe-area-inset-bottom,0px));display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
.hero .cap a{display:block;max-width:70%}
.hero .cap .t{font:300 clamp(30px,5vw,72px)/.95 var(--f-serif);display:block;margin-top:8px}
.hero .cap .t em{font-style:normal;color:var(--mute)}
.hero .count{font-variant-numeric:tabular-nums;white-space:nowrap}
.hero .bar{position:absolute;z-index:2;left:var(--gut);right:var(--gut);bottom:calc(14px + env(safe-area-inset-bottom,0px));height:1px;background:var(--line)}
.hero .bar i{position:absolute;inset:0;background:var(--ink);transform-origin:left;transform:scaleX(0)}
.hero .bar i.run{animation:bar 6s linear forwards}
@keyframes bar{to{transform:scaleX(1)}}

/* ---------- Khung ảnh (fallback khi ảnh chưa tải) ---------- */
.ph{position:relative;background:var(--bg-2);overflow:hidden}
.ph::before{content:attr(data-label);position:absolute;left:12px;bottom:10px;font:500 10px/1.3 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim);max-width:80%}
.ph img{position:relative;width:100%;height:100%;object-fit:cover;color:transparent;transition:transform 1.1s var(--ease),opacity .6s}
.ph img.ld{opacity:0}

/* ---------- Tiêu đề section ---------- */
.sec{padding-block:clamp(72px,10vw,150px) 0}
.sec-h{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:18px 28px;margin-bottom:clamp(28px,4vw,48px);border-bottom:1px solid var(--line);padding-bottom:16px}
.sec-h h2{margin:0;font:300 clamp(40px,6vw,88px)/.9 var(--f-serif);letter-spacing:-.01em}
.sec-h h2 sup{font:500 11px var(--f-mono);letter-spacing:.08em;color:var(--mute);vertical-align:top;margin-left:8px}
.tools{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:4px 16px}
.chips button,.view button{font:500 11px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mute);padding:8px 0;transition:color .3s}
.chips button:hover,.view button:hover{color:var(--ink)}
.chips button[aria-pressed="true"],.view button[aria-pressed="true"]{color:var(--ink)}
.chips button[aria-pressed="true"]::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--red);margin-right:7px;vertical-align:1px}
.view{display:flex;gap:12px;padding-left:22px;border-left:1px solid var(--line)}

/* ---------- Lưới tác phẩm (nhịp tạp chí) ---------- */
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(12px,1.6vw,28px);row-gap:clamp(40px,6vw,96px);align-items:start}
.tile{grid-column:span 6;display:block;min-width:0}
.tile .ph{aspect-ratio:4/3}
.tile.w7{grid-column:span 7}.tile.w5{grid-column:span 5}.tile.w4{grid-column:span 4}.tile.w8{grid-column:span 8}
.tile.tall .ph{aspect-ratio:4/5}
.tile.push{margin-top:clamp(40px,8vw,140px)}
.tile .meta{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:baseline;margin-top:14px}
.tile .n{color:var(--red)}
.tile .nm{font:300 clamp(22px,2vw,30px)/1.05 var(--f-serif);min-width:0}
.tile .k{text-align:right;white-space:nowrap}
@media (hover:hover){.tile:hover .ph img{transform:scale(1.035)}}
@media (max-width:1024px){
  .tile,.tile.w7,.tile.w5,.tile.w4,.tile.w8{grid-column:span 6}
  .tile.push{margin-top:0}
}
@media (max-width:640px){
  .grid{row-gap:44px}
  .tile,.tile.w7,.tile.w5,.tile.w4,.tile.w8{grid-column:1 / -1}
  .tile .ph,.tile.tall .ph{aspect-ratio:4/5}
  .tile .meta{grid-template-columns:auto 1fr}
  .tile .k{grid-column:2;text-align:left}
}

/* ---------- Chế độ Index ---------- */
.idx{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.idx a{display:grid;grid-template-columns:52px minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) 64px;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);transition:padding .4s var(--ease),color .3s}
.idx .nm{font:300 clamp(20px,2.2vw,34px)/1.1 var(--f-serif)}
.idx .thumb{display:none}
.idx .y{text-align:right;font-variant-numeric:tabular-nums}
@media (hover:hover){.idx:hover a{color:var(--dim)}.idx a:hover{color:var(--ink);padding-left:14px}}
.float{position:fixed;left:0;top:0;z-index:30;width:min(26vw,360px);aspect-ratio:4/5;pointer-events:none;opacity:0;transform:translate(-50%,-50%) scale(.92);transition:opacity .25s,transform .4s var(--ease);background:var(--bg-2);overflow:hidden}
.float.on{opacity:1;transform:translate(-50%,-50%) scale(1)}
.float img{width:100%;height:100%;object-fit:cover}
@media (max-width:760px){
  .idx a{grid-template-columns:64px minmax(0,1fr) auto;gap:14px;padding:12px 0}
  .idx .n,.idx .c{display:none}
  .idx .thumb{display:block;width:64px;aspect-ratio:1;background:var(--bg-2);overflow:hidden}
  .idx .thumb img{width:100%;height:100%;object-fit:cover}
  .idx .k{grid-column:2;margin-top:-10px}
  .idx .y{grid-row:1;grid-column:3}
}

/* ---------- Worked with ---------- */
.ww{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,80px)}
.ww h3{margin:0 0 16px}
.ww p{margin:0;font:300 clamp(22px,2.6vw,40px)/1.25 var(--f-serif);text-wrap:balance}
.ww p span{white-space:nowrap}
.ww p span:not(:last-child)::after{content:" /";color:var(--dim)}
@media (max-width:760px){.ww{grid-template-columns:minmax(0,1fr)}}

/* ---------- Archive ---------- */
details.arc{border-top:1px solid var(--line)}
details.arc summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:22px 0;cursor:pointer}
details.arc summary::-webkit-details-marker{display:none}
details.arc summary .pl{transition:transform .4s var(--ease);font:300 22px/1 var(--f-body)}
details.arc[open] summary .pl{transform:rotate(45deg)}
.arc ul{list-style:none;margin:0;padding:0 0 20px;columns:2;column-gap:clamp(24px,5vw,80px)}
.arc li{break-inside:avoid;border-bottom:1px solid var(--line)}
.arc li a{display:flex;justify-content:space-between;gap:14px;padding:11px 0;color:var(--mute);transition:color .3s}
.arc li a:hover{color:var(--ink)}
.arc li .y{font-variant-numeric:tabular-nums}
@media (max-width:760px){.arc ul{columns:1}}

/* ---------- Footer ---------- */
.foot{margin-top:clamp(90px,12vw,180px);border-top:1px solid var(--line);padding-bottom:calc(24px + env(safe-area-inset-bottom,0px))}
.foot .big{display:block;padding-top:clamp(28px,4vw,56px);font-size:clamp(34px,11.2vw,210px);line-height:.9;letter-spacing:.02em}
.foot .big .mark{display:flex;justify-content:space-between;width:100%}
.foot .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;margin-top:clamp(24px,3vw,40px)}
.foot .row div{display:flex;flex-wrap:wrap;gap:8px 22px}
.foot a{color:var(--mute);transition:color .3s}.foot a:hover{color:var(--ink)}

/* ---------- Trang dự án ---------- */
.p-hero{position:relative;height:100svh;min-height:520px;max-height:1500px;overflow:hidden;background:var(--bg-2)}
.p-hero .ph{position:absolute;inset:0}
.p-hero img{animation:settle 2.2s var(--ease) both}
@keyframes settle{from{transform:scale(1.07)}to{transform:scale(1)}}
.p-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.3),transparent 25%,transparent 55%,rgba(0,0,0,.65));pointer-events:none}
.p-hero .cap{position:absolute;z-index:2;left:var(--gut);right:var(--gut);bottom:calc(30px + env(safe-area-inset-bottom,0px))}
.p-hero h1{margin:10px 0 0;font:300 clamp(44px,9vw,150px)/.88 var(--f-serif);letter-spacing:-.015em;text-wrap:balance}
.p-hero h1 em{font-style:normal;color:var(--mute)}
.p-intro{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(28px,6vw,110px);padding-block:clamp(56px,8vw,120px)}
.p-intro .tg{margin:0;font:300 clamp(26px,3.2vw,50px)/1.12 var(--f-serif);text-wrap:balance}
.p-intro .tg+.tg{margin-top:10px;color:var(--mute)}
.p-intro .desc{max-width:58ch;color:var(--mute);margin:20px 0 0}
.facts{margin:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 24px}
.facts div{padding:12px 0;border-top:1px solid var(--line);min-width:0}
.facts dt{margin-bottom:4px}
.facts dd{margin:0;overflow-wrap:anywhere}
.facts .me dd{color:var(--ink)}
.facts .me dt::after{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--red);margin-left:7px;vertical-align:1px}
@media (max-width:860px){.p-intro{grid-template-columns:minmax(0,1fr)}}

.blk{margin-top:clamp(48px,7vw,110px)}
.blk-h{display:flex;justify-content:space-between;align-items:baseline;gap:16px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:clamp(16px,2vw,28px)}
.one .ph{width:100%}
.one img{height:auto;object-fit:contain}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(10px,1.4vw,24px);align-items:start}
.mas{columns:3;column-gap:clamp(10px,1.4vw,24px)}
.mas>*{break-inside:avoid;margin-bottom:clamp(10px,1.4vw,24px)}
.mas .ph img,.two .ph img{height:auto;object-fit:contain}
@media (max-width:1024px){.mas{columns:2}}
@media (max-width:560px){.mas{columns:1}.two{grid-template-columns:minmax(0,1fr)}}
.zoom{cursor:zoom-in}

/* BTS: dải phim kéo ngang */
.strip{display:flex;gap:clamp(8px,1vw,16px);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:16px;margin-inline:calc(var(--gut) * -1);padding-inline:var(--gut);scrollbar-width:thin;scrollbar-color:var(--dim) transparent;cursor:grab;overscroll-behavior-x:contain}
.strip.drag{cursor:grabbing;scroll-snap-type:none}
.strip figure{margin:0;flex:0 0 auto;width:clamp(220px,28vw,440px);scroll-snap-align:start}
.strip .ph{aspect-ratio:3/4}
.strip figcaption{margin-top:8px;color:var(--dim)}
@media (hover:hover){.strip img{filter:grayscale(1) contrast(1.05);transition:filter .6s,transform 1.1s var(--ease)}.strip figure:hover img{filter:none}}

.vid{position:relative;aspect-ratio:16/9;background:var(--bg-2);overflow:hidden}
.vid iframe,.vid img{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:cover}
.vid button{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:14px;background:rgba(0,0,0,.25);transition:background .3s}
.vid button:hover{background:rgba(0,0,0,.1)}
.vid button i{width:64px;height:64px;border-radius:50%;border:1px solid rgba(255,255,255,.7);display:grid;place-items:center}
.vid button i::before{content:"";border-left:13px solid #fff;border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:4px}
.links{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:16px}
.ul{border-bottom:1px solid var(--line);padding-bottom:2px;transition:border-color .3s}
.ul:hover{border-color:var(--ink)}

/* Credits như cuối phim */
.cred{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(24px,5vw,80px);margin:0}
.cred div{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}
.cred dt{color:var(--mute)}
.cred dd{margin:0;overflow-wrap:anywhere}
.cred .me dd{color:var(--ink)}
.cred .me dt{color:var(--ink)}
.cred .me dt::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--red);margin-right:8px;vertical-align:2px}
.cred div:not(.me) dd{color:#c9c8c3}
@media (max-width:760px){.cred{grid-template-columns:minmax(0,1fr)}}

.next{display:block;margin-top:clamp(80px,10vw,160px);position:relative}
.next .ph{aspect-ratio:21/9}
.next .cap{position:absolute;left:var(--gut);bottom:24px;right:var(--gut);z-index:2}
.next .cap b{display:block;font:300 clamp(40px,7vw,120px)/.9 var(--f-serif);margin-top:8px}
.next::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.6))}
@media (max-width:640px){.next .ph{aspect-ratio:4/5}}

/* ---------- Trang Info ---------- */
.info-h{padding-top:calc(var(--head) + clamp(40px,8vw,120px))}
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(28px,6vw,110px)}
.duo h2{margin:12px 0 18px;font:300 clamp(40px,6vw,96px)/.9 var(--f-serif)}
.duo h2.mark{font:560 clamp(30px,4.4vw,70px)/1 var(--f-mark);font-stretch:118%}
.duo p{margin:0;max-width:44ch;font:400 clamp(18px,1.6vw,23px)/1.45 var(--f-body);color:#d8d7d2}
@media (max-width:760px){.duo{grid-template-columns:minmax(0,1fr)}}
.contact{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 clamp(24px,4vw,64px);margin:0}
.contact div{padding:14px 0;border-top:1px solid var(--line);min-width:0}
.contact dd{margin:6px 0 0;font-size:17px;overflow-wrap:anywhere}
.contact .cp{margin-left:10px;color:var(--mute);font:500 10px var(--f-mono);letter-spacing:.08em;text-transform:uppercase}
.contact .cp:hover{color:var(--ink)}
@media (max-width:860px){.contact{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media (max-width:520px){.contact{grid-template-columns:minmax(0,1fr)}}
.sc{list-style:none;margin:0;padding:0}
.sc li{display:grid;grid-template-columns:64px minmax(0,1.3fr) minmax(0,1fr);gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.sc li .r{color:var(--mute)}
.sc li small{display:block;color:var(--dim);margin-top:4px;font-size:13px}
@media (max-width:640px){.sc li{grid-template-columns:52px minmax(0,1fr)}.sc li .r{grid-column:2}}

/* ---------- Lightbox ---------- */
.lb{position:fixed;inset:0;z-index:80;background:rgba(5,5,5,.97);display:none;touch-action:pan-y}
.lb.on{display:block}
.lb figure{position:absolute;inset:calc(64px + env(safe-area-inset-top,0px)) var(--gut) calc(64px + env(safe-area-inset-bottom,0px));margin:0;display:flex;align-items:center;justify-content:center}
.lb img{max-width:100%;max-height:100%;object-fit:contain;transition:opacity .3s}
.lb .bar{position:absolute;left:var(--gut);right:var(--gut);display:flex;justify-content:space-between;align-items:center}
.lb .top{top:calc(20px + env(safe-area-inset-top,0px))}
.lb .bot{bottom:calc(20px + env(safe-area-inset-bottom,0px))}
.lb .bot button{padding:10px 0}
.lb .cnt{font-variant-numeric:tabular-nums}

/* ---------- Con trỏ ---------- */
.cur{position:fixed;left:0;top:0;z-index:95;pointer-events:none;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:#fff;mix-blend-mode:difference;transition:width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease);display:grid;place-items:center}
.cur span{font:500 10px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:#000;opacity:0;transition:opacity .2s}
.cur.big{width:74px;height:74px;margin:-37px 0 0 -37px}
.cur.big span{opacity:1}
@media (hover:none),(pointer:coarse){.cur{display:none}}

/* ---------- Hiện dần khi cuộn ---------- */
.rv.go{animation:rise 1s var(--ease) both}
.rvi.go img{animation:unmask 1.2s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes unmask{from{clip-path:inset(18% 0 0 0);transform:scale(1.08)}to{clip-path:inset(0);transform:scale(1)}}
.cred.go div{animation:rise .8s var(--ease) both;animation-delay:calc(var(--i,0) * 40ms)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .hero .sl img{transform:none}
}
.empty{padding:40px 0;color:var(--mute)}
/* sửa: khung ảnh trong hero, giữ chỗ khi ảnh chưa tải */
.hero .sl .ph{height:100%}
.one .ph img.ld,.two .ph img.ld,.mas .ph img.ld{aspect-ratio:4/3}
.next .ph img{height:100%}
.foot .big{color:var(--ink)}
@media (max-width:640px){.view{border-left:0;padding-left:0}.tools{gap:4px 18px}}

/* ---------- Hệ chữ thống nhất (Archivo) ---------- */
body{font-weight:400;letter-spacing:-.003em}
.mono{font-weight:500;letter-spacing:.12em;font-size:10.5px}
.nav a,.chips button,.view button,.head .by,.lang button{font-weight:500;letter-spacing:.12em}
.sec-h h2,.hero .cap .t,.p-hero h1,.duo h2,.next .cap b{font-weight:300;letter-spacing:-.035em;line-height:.92}
.tile .nm,.idx .nm,.p-intro .tg,.ww p{font-weight:400;letter-spacing:-.02em}
.tile .nm{font-size:clamp(18px,1.5vw,24px)}
.idx .nm{font-size:clamp(18px,1.9vw,30px)}
.ww p{font-size:clamp(16px,1.65vw,26px);line-height:1.4}
.p-intro .tg{font-size:clamp(22px,2.6vw,40px);line-height:1.15}
.duo p{font-weight:400}
.mark,.duo h2.mark{font-weight:560;font-stretch:118%;letter-spacing:.06em}
.sec-h h2 sup{font-weight:500;font-size:10.5px;letter-spacing:.12em}

/* ---------- Instagram ---------- */
.igg{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:clamp(6px,.8vw,12px)}
.igt{position:relative;display:block;min-width:0}
.igt .ph{aspect-ratio:4/5}
.igc{position:absolute;right:8px;top:8px;background:rgba(0,0,0,.55);padding:4px 6px}
@media (hover:hover){.igt:hover .ph img{transform:scale(1.04)}}
@media (max-width:1024px){.igg{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:640px){.igg{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- Đã hợp tác: lưới tên thẳng hàng ---------- */
.ww{grid-template-columns:minmax(0,1fr);gap:clamp(36px,5vw,64px)}
.wwb{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3fr);gap:16px clamp(24px,4vw,64px);align-items:start}
.wwb h3{margin:0;display:flex;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.wwb h3 span{color:var(--dim)}
.wl{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));column-gap:clamp(16px,2vw,32px)}
.wl li{padding:13px 0 12px;border-top:1px solid var(--line);font-size:clamp(14px,1.2vw,17px);line-height:1.3;letter-spacing:-.005em;min-width:0;overflow-wrap:anywhere;transition:color .3s}
.wwb:nth-child(2) .wl{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (hover:hover){.wl:hover li{color:var(--mute)}.wl li:hover{color:var(--ink)}}
@media (max-width:1024px){.wl,.wwb:nth-child(2) .wl{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:760px){.wwb{grid-template-columns:minmax(0,1fr)}.wl,.wwb:nth-child(2) .wl{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- Dải "Hậu trường" ở trang chủ ---------- */
.onset .strip{margin-inline:0;padding-inline:var(--gut)}
.os{flex:0 0 auto;width:clamp(200px,22vw,360px);scroll-snap-align:start;display:block}
.os .ph{aspect-ratio:3/4}
.os:nth-child(3n+2) .ph{aspect-ratio:4/5}
.os:nth-child(3n) .ph{aspect-ratio:1}
.osc{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:baseline;margin-top:10px}
.osc .n{color:var(--red)}
.osc .nm{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.onset .strip{align-items:flex-start}
@media (hover:hover){.os img{filter:grayscale(1) contrast(1.05);transition:filter .6s,transform 1.1s var(--ease)}.os:hover img{filter:none;transform:scale(1.03)}}

/* ---------- Nhãn "Mới" ---------- */
.tile{position:relative}
.tile .new{position:absolute;z-index:2;left:12px;top:12px;background:var(--red);color:#fff;padding:5px 8px 4px;font-size:10px}

/* ---------- Trang Thông tin: ảnh hậu trường mở đầu ---------- */
.info-hero{margin:0;position:relative}
.info-hero .ph{height:min(78svh,860px);min-height:360px}
.info-hero .ph img{height:100%;object-fit:cover}
.info-hero figcaption{display:flex;justify-content:space-between;gap:16px;padding-top:12px;color:var(--mute)}
.info-after{padding-top:clamp(56px,8vw,120px)}
@media (max-width:640px){.info-hero .ph{height:auto;aspect-ratio:4/5;min-height:0}}

/* ---------- "Làm gì": chữ lớn xếp chồng ---------- */
.svc{position:relative;isolation:isolate}
.svc-bg{position:absolute;inset:clamp(150px,16vw,220px) 0 0 0;z-index:-1;overflow:hidden;pointer-events:none}
.svc-bg img{position:absolute;right:var(--gut);top:0;width:min(42vw,620px);height:100%;object-fit:cover;opacity:0;transform:scale(1.04);transition:opacity .6s,transform 1.2s var(--ease)}
.svc-bg img.on{opacity:.55;transform:scale(1)}
.svl{list-style:none;margin:0;padding:0}
.svl a{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:clamp(10px,1.4vw,20px) 0;border-bottom:1px solid var(--line);transition:color .4s,padding .5s var(--ease)}
.svl .nm{font-weight:300;font-size:clamp(40px,7.4vw,120px);line-height:.95;letter-spacing:-.04em}
.svl .mono{white-space:nowrap}
.svc.hov .svl a{color:var(--dim)}
.svc.hov .svl a:hover{color:var(--ink);padding-left:clamp(8px,1.5vw,24px)}
@media (max-width:640px){.svl a{flex-direction:column;gap:6px}.svc-bg{display:none}}

/* =====================================================================
   v3 · logo chính thức, header, chữ cuối trang chuyển động, logo đối tác, video nền
   (đi cùng js/brand.js — bản trước khi sửa: css/style.css.bak)
   ===================================================================== */
@font-face{font-family:"PHUM Micra";src:url("../assets/fonts/utm-micra.ttf") format("truetype");font-display:swap}

/* logo vector: thanh phải của chữ Ü là chấm đỏ */
.lg{display:block;height:1em;width:auto;overflow:visible}
.lg .r,.um .r{fill:var(--red)}
.lgw{display:inline-flex}
.head .lgw .lg{height:30px}
.duo h2.lgw{display:block;line-height:0}
.duo h2.lgw .lg{height:clamp(54px,7vw,104px)}

/* header: bỏ trộn màu (làm chấm đỏ thành xanh và chữ chìm trên ảnh sáng); nền tối khi cuộn */
.head{mix-blend-mode:normal;color:var(--ink);transition:background-color .45s var(--ease)}
.head::before{content:"";position:absolute;inset:0 0 -48px 0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(5,5,5,.62),rgba(5,5,5,0));transition:opacity .45s}
.head.solid{background:rgba(11,11,11,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.head.solid::before{opacity:0}
@media (max-width:760px){
  .head .lgw .lg{height:24px}
  .head .wrap{gap:10px}
  .nav{gap:12px}
  .head .by{gap:10px}
}

/* màn mở đầu: logo hiện từ dưới lên, thanh đỏ bật ra sau */
.intro .lgw{display:block}
.intro .lgw .lg{height:clamp(52px,8.5vw,112px);margin:0 auto;clip-path:inset(0 0 100% 0);transform:translateY(14%);transition:clip-path 1s var(--ease),transform 1s var(--ease)}
.intro.s1 .lgw .lg{clip-path:inset(0 0 0 0);transform:none}
.intro .lgw .r{transform-box:fill-box;transform-origin:50% 50%;transform:scale(0);transition:transform .5s var(--ease)}
.intro.s2 .lgw .r{transform:scale(1)}
.intro .skip{bottom:calc(52px + env(safe-area-inset-bottom,0px))}

/* chữ PHÜM STUDIO cuối trang */
.foot .big.fx{display:block;overflow:visible;padding-top:clamp(36px,5vw,72px);padding-bottom:clamp(8px,1vw,16px);line-height:1;letter-spacing:0;font-size:inherit}
.fxw{display:flex;align-items:baseline;justify-content:space-between;white-space:nowrap;font-family:"PHUM Micra",var(--f);font-weight:400;line-height:.8;text-transform:uppercase;opacity:0;transition:opacity .6s}
.fx.on .fxw{opacity:1}
.fxw .l{display:inline-block;transform-origin:50% 100%;will-change:transform}
.fxw .g{display:inline-block;transform-origin:50% 100%;will-change:transform,filter,opacity}
.fxw .sp{display:inline-block;width:.32em}
.fxw .um{display:block;height:calc(var(--cap,.7) * 1em);width:auto;overflow:visible}
.fxw .u .g{display:flex;align-items:flex-end;height:calc(var(--cap,.7) * 1em)}
@media (prefers-reduced-motion:reduce){.fxw{opacity:1}}

/* logo đối tác: một dải trôi chậm, dừng khi rê chuột */
.plogos{position:relative;display:flex;overflow:hidden;margin:0 calc(var(--gut) * -1) clamp(40px,5vw,72px);padding:clamp(10px,1.4vw,18px) 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent)}
.plogos .track{display:flex;align-items:center;flex:0 0 auto;margin:0;padding:0;list-style:none;animation:plg 52s linear infinite}
.plogos:hover .track{animation-play-state:paused}
.plogos li{flex:0 0 auto;padding:0 clamp(26px,3.6vw,60px)}
.plogos img{display:block;height:calc(clamp(36px,4.2vw,62px) * var(--k,1));width:auto;max-width:clamp(120px,14vw,210px);object-fit:contain;opacity:.58;transition:opacity .4s}
.plogos li:hover img{opacity:1}
@keyframes plg{to{transform:translateX(-100%)}}
@media (prefers-reduced-motion:reduce){.plogos{flex-wrap:wrap;justify-content:center;-webkit-mask-image:none;mask-image:none}.plogos .track{flex-wrap:wrap;justify-content:center;gap:24px 0}.plogos .track+.track{display:none}}

/* video nền trên trang chủ */
.reel .sec-h{margin-bottom:clamp(20px,3vw,36px)}
.rl{position:relative;overflow:hidden;background:var(--bg-2);aspect-ratio:16/9;max-height:88svh;width:100%}
.rl video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.1s ease}
.rl video.on{opacity:1}
.rl-ui{position:absolute;z-index:2;right:var(--gut);bottom:calc(30px + env(safe-area-inset-bottom,0px));color:var(--ink)}
.rl .bar{position:absolute;z-index:2;left:var(--gut);right:var(--gut);bottom:18px;height:1px;background:rgba(241,240,236,.22)}
.rl .bar i{position:absolute;inset:0;background:var(--ink);transform-origin:left;transform:scaleX(0)}
@media (max-width:640px){.rl{aspect-ratio:4/5}}

/* Work rút gọn: nút "Xem thêm" cùng kiểu dòng Archive */
.more{display:flex;justify-content:space-between;align-items:center;width:100%;margin-top:clamp(18px,2.4vw,32px);padding:20px 0;border-bottom:1px solid var(--line);color:var(--ink);text-align:left;transition:padding .45s var(--ease),color .3s}
.more .pl{font:300 22px/1 var(--f-body);transition:transform .45s var(--ease)}
@media (hover:hover){.more:hover{padding-left:14px}.more:hover .pl{transform:rotate(90deg)}}
.idx + .more{margin-top:0}

/* con trỏ tròn: bỏ trộn màu (trước đây đổi màu lạ trên ảnh sáng), thêm viền mảnh để luôn thấy */
.cur{mix-blend-mode:normal;background:var(--ink);box-shadow:0 0 0 1px rgba(0,0,0,.32)}
.cur span{color:#0b0b0b}

/* Index: chữ tên dự án co giãn theo con trỏ (js/brand.js) */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.idx .nm .wd{display:inline-block;white-space:nowrap}
.idx .nm .lt{display:inline-block;transform-origin:50% 100%;will-change:transform}

/* Grid: nảy lên nhẹ khi xuất hiện và khi rê chuột */
.grid .tile.rv.go{animation:pop .95s var(--ease) both}
@keyframes pop{from{opacity:0;transform:translateY(36px) scale(.95)}to{opacity:1;transform:none}}
.grid .tile .ph,.grid .tile .meta{transition:transform .6s var(--ease)}
@media (hover:hover){.grid .tile:hover .ph{transform:translateY(-8px)}.grid .tile:hover .meta{transform:translateY(-4px)}}

/* ww-fold:start · Thương hiệu / Agency thu gọn bằng dấu + như Lưu trữ */
.ww:has(> details.wwd){gap:0}
.ww > details.wwd{display:block;grid-template-columns:none;border-top:1px solid var(--line)}
.ww > details.wwd + details.wwd{margin-top:0}
.ww > details.wwd > summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;cursor:pointer;-webkit-tap-highlight-color:transparent}
.ww > details.wwd > summary::-webkit-details-marker{display:none}
.ww > details.wwd > summary h3{margin:0;padding:0;border:0;display:block;font-weight:400;color:var(--ink)}
.ww > details.wwd > summary .pl{flex:0 0 auto;transition:transform .4s var(--ease);font:300 22px/1 var(--f-body)}
.ww > details.wwd[open] > summary .pl{transform:rotate(45deg)}
.ww > details.wwd > .wl{padding-bottom:28px}
.ww > details.wwd[open] > .wl{animation:wwIn .45s var(--ease) both}
@keyframes wwIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.ww > details.wwd[open] > .wl{animation:none}}
/* ww-fold:end */