/* INGYU STUDIO v4.1 — แนวทาง olsonkundig.com (เจ้าของขอ 22/10/69: "พัฒนาให้เหมือน ๆ หน่อย") + โทนแดงเบอร์กันดีของแบรนด์
   หน้าแรก: รูปนิ่งอยู่ด้านหลัง ข้อความเลื่อนทับ รูปถัดไปค่อย ๆ เผยจากล่างขึ้นบน · เมนูแผงสว่าง 4 คอลัมน์ · หน้าโครงการแบบนิตยสาร
   ข้อมูลทั้งหมดมาจาก v3-projects.js (ชุดเดียวกับเว็บเดิม) · สำรองรุ่นก่อน: _tools/_v4_backup_261022/ */
@font-face{font-family:"LS";src:url("assets/fonts/LINESeedSansTH_Rg.otf") format("opentype");font-weight:400;font-display:swap}
@font-face{font-family:"LS";src:url("assets/fonts/LINESeedSansTH_Bd.otf") format("opentype");font-weight:700;font-display:swap}
@font-face{font-family:"LS";src:url("assets/fonts/LINESeedSansTH_Th.otf") format("opentype");font-weight:300;font-display:swap}
:root{--bg:#170e10;--bg2:#24151a;--ink:#f5f1ea;--mut:#b3a39f;--line:rgba(245,241,234,.14);
  --paper:#efebe6;--paperInk:#1d1416;--paperMut:#6f6460;
  --bur:#7B1A2D;--bur2:#5e1222;--rose:#e08a9b;--pad:clamp(16px,2.2vw,30px)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:400 15px/1.55 "LS",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--rose);outline-offset:3px}

/* ================= แถบบน: ซ่อนตอนเลื่อนลง โผล่ตอนเลื่อนขึ้น · พ้นรูปหน้าแรกแล้วเป็นแถบครีม */
.hd{position:fixed;inset:0 0 auto 0;z-index:50;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:14px var(--pad);color:#fff;
  transition:transform .4s ease,background .3s,color .3s,box-shadow .3s}
.hd.up{transform:translateY(-100%)}
.hd.solid{background:var(--paper);color:var(--paperInk);box-shadow:0 1px 0 rgba(0,0,0,.08)}
.hd:not(.solid){text-shadow:0 1px 10px rgba(0,0,0,.35)}
.hd__brand{display:flex;align-items:center;gap:10px;font-size:17px;letter-spacing:.01em;justify-self:start}
.hd__brand img{width:28px;height:28px;border-radius:5px}
.hd__c{justify-self:center;font-size:13px;letter-spacing:.06em}
.hd__c button{padding:2px 4px;opacity:.7}.hd__c button.on{opacity:1;text-decoration:underline;text-underline-offset:4px}
.hd__r{justify-self:end}
.burger{display:flex;flex-direction:column;gap:5px;padding:6px 2px}
.burger i{display:block;width:22px;height:1.5px;background:currentColor;transition:transform .3s,opacity .3s}
.menu-open .burger i:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-open .burger i:nth-child(2){opacity:0}
.menu-open .burger i:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.menu-open .hd{background:var(--paper);color:var(--paperInk);transform:none;text-shadow:none}

/* ================= เมนู: แผงสว่าง 4 คอลัมน์ + แถบเบอร์กันดีล่าง */
.menu{position:fixed;inset:0;z-index:45;display:flex;flex-direction:column;pointer-events:none}
.menu__p{background:var(--paper);color:var(--paperInk);padding:76px var(--pad) 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  transform:translateY(-102%);transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.menu__p h5{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;color:var(--bur)}
.menu__p a,.menu__p button{display:block;font-size:clamp(17px,1.5vw,21px);line-height:1.38;color:var(--paperInk);text-align:left}
.menu__p a:hover,.menu__p button:hover{color:var(--bur)}
.mp{display:flex!important;align-items:center;gap:10px}
.mp__m{width:26px;height:26px;flex:none;color:var(--bur)}
.menu__b{background:var(--bur);color:var(--ink);display:flex;justify-content:space-between;gap:16px;padding:14px var(--pad);font-size:14px;
  transform:translateY(-1200%);transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.menu__b div{display:flex;gap:22px;flex-wrap:wrap}
.menu__b a:hover{text-decoration:underline}
.menu__shade{flex:1;background:rgba(10,5,6,.55);opacity:0;transition:opacity .4s}
.menu-open .menu{pointer-events:auto}
.menu-open .menu__p,.menu-open .menu__b{transform:none}
.menu-open .menu__shade{opacity:1}

/* ================= หน้าแรก: รูปนิ่งชั้นหลัง + ข้อความเลื่อนทับ */
.hv{position:fixed;inset:0;z-index:0;background:var(--bg)}
.hv__l{position:absolute;inset:0;will-change:clip-path}
.hv__l img{width:100%;height:100%;object-fit:cover}
.hv__l::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25) 0,rgba(0,0,0,0) 22%,rgba(0,0,0,0) 50%,rgba(0,0,0,.55) 100%)}
/* สัญลักษณ์ของโปรเจกต์ในรูปนั้น + ชื่อ มุมขวาล่าง (เจ้าของ: "อยากให้มีซิมโบ") */
.hv__cap{position:absolute;right:var(--pad);bottom:24px;z-index:3;color:#fff;font-size:12.5px;text-align:right;display:flex;align-items:center;gap:14px;text-shadow:0 1px 8px rgba(0,0,0,.45)}
.hv__m{width:clamp(56px,5.4vw,84px);height:clamp(56px,5.4vw,84px);filter:drop-shadow(0 1px 6px rgba(0,0,0,.45));transition:transform .4s}
.hv__cap:hover .hv__m{transform:scale(1.08)}
.hv__cap:hover span{text-decoration:underline}
.scrs{position:relative;z-index:1}
.scr{position:relative;height:100vh;height:100svh;min-height:520px;display:flex;align-items:flex-end;padding:0 var(--pad) clamp(70px,13vh,130px);color:#fff}
.scr h1,.scr h2{font-weight:400;font-size:clamp(28px,3.4vw,50px);line-height:1.14;letter-spacing:-.005em;max-width:880px;text-shadow:0 1px 18px rgba(0,0,0,.25)}
.scr h1{font-size:clamp(42px,6.4vw,96px);line-height:1.03}
.scr h1 small{display:block;font-size:clamp(16px,1.5vw,21px);margin-top:12px;letter-spacing:.02em}
.scr a.go{text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:.16em;text-decoration-color:var(--rose)}
.scr a.go:hover{color:var(--rose)}
.scr__hint{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);color:#fff;font-size:12px;letter-spacing:.14em;opacity:.8;animation:hint 2.4s ease-in-out infinite}
@keyframes hint{50%{transform:translate(-50%,6px)}}

/* ================= ส่วนเนื้อหา (ทับรูปหน้าแรก) */
.sec{position:relative;z-index:2;background:var(--bg);padding:clamp(70px,9vw,130px) var(--pad);border-top:1px solid var(--line)}
.lbl{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--rose);margin-bottom:16px}
.big{font-weight:400;font-size:clamp(26px,3vw,44px);line-height:1.18;max-width:1000px}
.lead{color:var(--mut);max-width:660px;margin-top:16px;font-size:16px}

/* สัญลักษณ์เส้นสายประจำโปรเจกต์ */
.marks{position:relative;z-index:2;background:var(--bg);padding:clamp(40px,5vw,70px) var(--pad);border-top:1px solid var(--line)}
.marks__g{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:clamp(8px,1.4vw,18px)}
.mk{display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px 6px;color:var(--rose);border:1px solid transparent;transition:border-color .25s,color .25s,background .25s}
.mk:hover,.mk:focus-visible{border-color:var(--bur);color:var(--ink);background:rgba(123,26,45,.25)}
.mk__s{width:clamp(48px,5vw,64px);height:clamp(48px,5vw,64px)}
.mk span{font-size:12px;color:var(--mut);text-align:center;line-height:1.3}

/* ผลงาน: ตาราง 2 คอลัมน์ ชื่อทับรูป + ตัวกรองขวา */
.work__top{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.work__n{color:var(--mut);font-size:14px}
.work__wrap{display:grid;grid-template-columns:1fr 210px;gap:30px;margin-top:40px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(10px,1.4vw,20px)}
.card{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:var(--bg2);text-align:left}
.card img{width:100%;height:100%;object-fit:cover;opacity:.86;transition:opacity .45s,transform 1s}
.card:hover img,.card:focus-visible img{opacity:1;transform:scale(1.03)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 48%,rgba(0,0,0,.62))}
.card::before{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--bur);z-index:3;transition:width .5s}
.card:hover::before,.card:focus-visible::before{width:100%}
.card__t{position:absolute;left:18px;right:60px;bottom:16px;z-index:2;color:#fff}
.card__t b{display:block;font-weight:400;font-size:clamp(18px,1.7vw,25px);line-height:1.2}
.card__t span{font-size:13px;opacity:.88}
.card__k{position:absolute;top:12px;left:14px;z-index:2;font-size:11px;letter-spacing:.08em;background:var(--bur);padding:3px 8px;color:#fff}
.card__m{position:absolute;top:12px;right:14px;z-index:2;width:56px;height:56px;color:#fff;opacity:.9;filter:drop-shadow(0 1px 4px rgba(0,0,0,.5))}
.flt{position:sticky;top:80px;align-self:start;font-size:13.5px}
.flt h4{font-weight:700;font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;color:var(--rose)}
.flt button{display:block;padding:2px 0;color:var(--mut);text-align:left}
.flt button:hover{color:var(--ink)}
.flt button.on{color:var(--ink)}
.flt button.on::before{content:"— ";color:var(--rose)}

/* แนวคิด · บริการ · ขั้นตอน */
.appr__g{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:56px;border-top:1px solid var(--line);padding-top:28px}
.appr__g b{display:block;font-weight:700;font-size:17px;margin-bottom:8px}
.appr__g p{color:var(--mut);font-size:14.5px}
.appr__g i{display:block;font-style:normal;color:var(--rose);font-size:13px;font-weight:700;margin-bottom:18px}
.rows{margin-top:44px;border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:70px 1fr 1.4fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:baseline}
.row i{font-style:normal;color:var(--rose);font-size:13px;font-weight:700}
.row b{font-weight:400;font-size:clamp(20px,2vw,28px)}
.row p{color:var(--mut)}
.about{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,4vw,64px);align-items:end}
.about img{width:100%;aspect-ratio:4/3;object-fit:cover}
.tags{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:22px;color:var(--mut);font-size:14px}

/* ติดต่อ: พื้นเบอร์กันดี */
.ct{min-height:80vh;display:flex;flex-direction:column;justify-content:space-between;gap:40px;background:var(--bur);border-top:0}
.ct .lbl{color:rgba(245,241,234,.8)}
.ct__big{font-weight:400;font-size:clamp(34px,6vw,88px);line-height:1.05}
.ct__big a{border-bottom:2px solid rgba(245,241,234,.4)}
.ct__big a:hover{border-color:var(--ink)}
.ct__g{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;font-size:14px;color:rgba(245,241,234,.82)}
.ct__g b{display:block;color:var(--ink);font-weight:700;font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px}
.ct__g a:hover{color:var(--ink);text-decoration:underline}
.ft{position:relative;z-index:2;padding:16px var(--pad);background:var(--bur2);display:flex;justify-content:space-between;font-size:12px;color:var(--mut)}

/* ================= หน้าโครงการ (ซ้อนเต็มจอ) แบบนิตยสาร */
.pv{position:fixed;inset:0;z-index:70;background:var(--bg);overflow-y:auto;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.pv.open{opacity:1;visibility:visible}
.pv:focus{outline:none}
.pv__bar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:12px var(--pad);color:#fff;
  transition:background .3s,color .3s;text-shadow:0 1px 8px rgba(0,0,0,.35)}
.pv__bar.solid{background:var(--paper);color:var(--paperInk);text-shadow:none}
.pv__bar b{font-weight:400;font-size:15px;opacity:0;transition:opacity .3s}
.pv__bar.solid b{opacity:1}
.pv__x{font-size:14px;font-weight:700;background:var(--bur);color:#fff;padding:6px 14px;border-radius:20px;text-shadow:none}
.pv__hero{position:relative;height:100vh;margin-top:-56px}
.pv__hero img{width:100%;height:100%;object-fit:cover}
.pv__hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.2),rgba(0,0,0,0) 25%,rgba(0,0,0,0) 50%,rgba(0,0,0,.6))}
.pv__ttl{position:absolute;left:var(--pad);right:var(--pad);bottom:clamp(28px,6vh,60px);z-index:2;color:#fff;display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
.pv__m{width:clamp(52px,5vw,76px);height:clamp(52px,5vw,76px);color:#fff;margin-bottom:12px;filter:drop-shadow(0 1px 6px rgba(0,0,0,.5))}
.pv__ttl h2{font-weight:400;font-size:clamp(36px,5.6vw,84px);line-height:1.03;max-width:1000px}
.pv__ttl p{margin-top:10px;font-size:clamp(15px,1.3vw,18px)}
.pv__gal{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;border-bottom:1px solid rgba(255,255,255,.6);padding-bottom:2px}
.pv__intro{display:grid;grid-template-columns:2.2fr 1fr;gap:clamp(24px,5vw,90px);padding:clamp(48px,7vw,100px) var(--pad)}
.pv__lead{font-weight:300;font-size:clamp(21px,2.1vw,30px);line-height:1.38}
.pv__lead strong{font-weight:400;color:var(--rose)}
.pv__cr{font-size:12px;letter-spacing:.06em;text-align:right}
.pv__cr dt{font-weight:700;text-transform:uppercase;color:var(--rose);margin-top:14px}
.pv__cr dt:first-child{margin-top:0}
.pv__cr dd{color:var(--ink);font-size:14px;letter-spacing:0}
.pv__cr .kw{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px;margin-top:4px}
.pv__cr .kw span{border:1px solid var(--bur);color:var(--rose);padding:2px 9px;border-radius:12px;font-size:12.5px}
.pv__flow{padding:0 var(--pad) 40px;display:grid;gap:clamp(12px,1.6vw,24px)}
.pv__flow figure{margin:0}
.pv__flow img{width:100%;height:auto;background:var(--bg2)}
.pv__flow figcaption{font-size:12px;color:var(--rose);padding-top:7px}
.pv__pair{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.6vw,24px);align-items:start}
.pv__txt{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.6vw,24px);padding:clamp(30px,5vw,70px) 0}
.pv__txt p{font-size:clamp(16px,1.25vw,18px);line-height:1.6;color:var(--ink)}
.pv__txt.r p{grid-column:2}
.pv__dgh{padding:clamp(40px,6vw,80px) 0 6px;border-top:1px solid var(--line);margin-top:20px}
.pv__dgh p{color:var(--mut);max-width:620px;margin-top:6px}
.pv__nx{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.pv__nx button{display:flex;flex-direction:column;gap:4px;padding:26px var(--pad);text-align:left;transition:background .25s}
.pv__nx button:last-child{text-align:right;align-items:flex-end;border-left:1px solid var(--line)}
.pv__nx button:hover{background:rgba(123,26,45,.3)}
.pv__nx small{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--rose);font-weight:700}
.pv__nx span{font-size:clamp(18px,1.8vw,26px)}
.totop{position:fixed;right:var(--pad);bottom:20px;z-index:80;width:42px;height:42px;border-radius:50%;background:var(--bur);color:#fff;font-size:18px;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.totop.on{opacity:1;visibility:visible}

@media(max-width:900px){
  .work__wrap{grid-template-columns:1fr}
  .flt{position:static;display:flex;flex-wrap:wrap;gap:4px 14px;order:-1}
  .flt h4{width:100%}
  .appr__g,.ct__g,.menu__p{grid-template-columns:1fr 1fr}
  .about,.pv__intro{grid-template-columns:1fr}
  .pv__cr{text-align:left}.pv__cr .kw{justify-content:flex-start}
  .row{grid-template-columns:40px 1fr}.row p{grid-column:2}
  .pv__txt{grid-template-columns:1fr}.pv__txt.r p{grid-column:1}
  .hd__c{display:none}
  .hd{grid-template-columns:1fr auto}
}
@media(max-width:560px){
  .grid,.pv__pair{grid-template-columns:1fr}
  .appr__g,.ct__g{grid-template-columns:1fr}
  .menu__p{grid-template-columns:1fr 1fr;gap:18px;padding-top:66px}
  .hv__cap span{display:none}
  .hv__cap{bottom:18px}
  .pv__ttl{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hd,.menu__p,.menu__b{transition:none}.scr__hint{animation:none}}