/* ==========================================================================
   ARC STUDIO — Văn phòng kiến trúc & nội thất, Hà Nội
   Chủ đề "BLUEPRINT": giấy trắng ngà #F5F5F2, mực #111, một màu nhấn xanh
   bản vẽ #1B4DFF, đường kẻ mảnh 1px khắp nơi, nhãn chữ đơn cách (mono).
   Bố cục: header có đường RULE trên cùng, logo "ARC." trái, menu phải đánh số
   mono ("01 Dự án"), đồng hồ HN chạy bằng JS. Hero nền GIẤY KẺ Ô + tiêu đề
   2 dòng lệch phải + ảnh rộng có LỚP PHỦ KÍCH THƯỚC (đường dim, mũi tên,
   số đo "12.5 m"). Thân trang: dự án CUỘN NGANG scroll-snap, quy trình 5 cột
   có thanh tiến độ đầy theo cuộn, đội ngũ so le, bản vẽ hover đổi sang ảnh
   thật, bảng báo chí mono, liên hệ email cỡ lớn + form.
   Font: Archivo (tiêu đề) + IBM Plex Mono (nhãn/số) + Inter (thân).
   ========================================================================== */
:root{
  --paper:#F5F5F2; --ink:#111111; --blue:#1B4DFF; --gray:#6B6B66; --line:#D9D9D3;
  --line-ink:#111111; --ph:#DCDCD6; --white:#FFFFFF;
  --ff-h:'Archivo','Inter',sans-serif; --ff-m:'IBM Plex Mono','Courier New',monospace; --ff:'Inter',Arial,sans-serif;
  --grid:32px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff);color:var(--ink);background:var(--paper);line-height:1.6;font-size:15px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{font-family:var(--ff-h);font-weight:600;line-height:1.05;letter-spacing:-.025em}
.ph{background:var(--img,var(--ph)) center/cover no-repeat}
.container{width:min(1280px,94%);margin:0 auto}
.mono{font-family:var(--ff-m);font-size:12px;letter-spacing:.04em;text-transform:uppercase}
.blue{color:var(--blue)}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Header: rule trên cùng + logo + menu đánh số + đồng hồ ---------- */
.rule{height:1px;background:var(--ink)}
.header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.logo{font-family:var(--ff-h);font-weight:700;font-size:24px;letter-spacing:-.04em}
.logo i{color:var(--blue);font-style:normal}
.nav{display:flex;gap:30px}
.nav a{font-family:var(--ff-m);font-size:12px;letter-spacing:.06em;text-transform:uppercase;display:flex;gap:8px;padding:6px 0;border-bottom:1px solid transparent}
.nav a b{color:var(--blue);font-weight:400}
.nav a:hover,.nav a.is-active{border-bottom-color:var(--ink)}
.clock{font-family:var(--ff-m);font-size:12px;letter-spacing:.04em;color:var(--gray);white-space:nowrap}
.clock::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-right:8px;animation:blink 2s infinite}
@keyframes blink{50%{opacity:.2}}
.burger{display:none;width:40px;height:40px;border:1px solid var(--ink);place-items:center}
.burger span{display:block;width:16px;height:1px;background:var(--ink);box-shadow:0 -5px 0 var(--ink),0 5px 0 var(--ink)}

/* ---------- Hero: giấy kẻ ô + tiêu đề lệch + ảnh có dim ---------- */
.hero{position:relative;border-bottom:1px solid var(--ink);
  background-image:repeating-linear-gradient(0deg,rgba(17,17,17,.07) 0 1px,transparent 1px var(--grid)),repeating-linear-gradient(90deg,rgba(17,17,17,.07) 0 1px,transparent 1px var(--grid));
  background-position:center top}
.hero__top{padding:70px 0 50px;position:relative}
.hero h1{font-size:clamp(46px,8vw,124px);line-height:.95;letter-spacing:-.045em;font-weight:600}
.hero h1 span{display:block}
.hero h1 span:nth-child(2){margin-left:clamp(40px,22vw,360px);color:var(--blue)}
.hero__cap{position:absolute;right:0;top:70px;font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;line-height:1.8;color:var(--gray);text-align:right;border-right:1px solid var(--ink);padding-right:14px}
.hero__cap b{color:var(--ink);font-weight:400;display:block}
.hero__meta{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-top:40px;flex-wrap:wrap}
.hero__meta p{max-width:480px;font-size:16px;color:#3A3A36}
.hero__meta .cta{display:flex;gap:24px}
.hero__cta{font-family:var(--ff-m);font-size:12px;text-transform:uppercase;letter-spacing:.06em;border:1px solid var(--ink);padding:12px 18px;display:inline-flex;gap:10px;align-items:center;background:var(--paper)}
.hero__cta:hover{background:var(--ink);color:#fff}
.hero__cta.is-blue{background:var(--blue);color:#fff;border-color:var(--blue)}
.hero__cta.is-blue:hover{background:var(--ink);border-color:var(--ink)}

/* Lớp phủ bản vẽ: đường kích thước + nhãn */
.bp{position:relative;margin:0 auto 0;padding:0 0 60px}
.bp__img{position:relative;aspect-ratio:21/9;border:1px solid var(--ink);overflow:hidden;filter:saturate(.85)}
.bp__img .ph{position:absolute;inset:0}
.bp__img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,77,255,.05),rgba(27,77,255,0) 40%)}
.dim{position:absolute;font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;color:var(--blue);pointer-events:none;z-index:3}
.dim--h{height:1px;background:var(--blue)}
.dim--h::before,.dim--h::after{content:"";position:absolute;top:-6px;width:1px;height:13px;background:var(--blue)}
.dim--h::before{left:0}.dim--h::after{right:0}
.dim--h span{position:absolute;left:50%;top:-22px;transform:translateX(-50%);background:var(--paper);padding:0 6px;white-space:nowrap}
.dim--v{width:1px;background:var(--blue)}
.dim--v::before,.dim--v::after{content:"";position:absolute;left:-6px;height:1px;width:13px;background:var(--blue)}
.dim--v::before{top:0}.dim--v::after{bottom:0}
.dim--v span{position:absolute;top:50%;left:12px;transform:translateY(-50%) rotate(0);background:var(--paper);padding:0 6px;white-space:nowrap}
.dim--tag{background:var(--paper);border:1px solid var(--blue);padding:4px 8px;line-height:1.3}
.dim--tag::before{content:"";position:absolute;left:-30px;top:50%;width:30px;height:1px;background:var(--blue)}
.dim--tag::after{content:"";position:absolute;left:-34px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--blue);transform:translateY(-50%)}
.bp__foot{display:flex;justify-content:space-between;font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;color:var(--gray);padding:12px 0;text-transform:uppercase}

/* ---------- Section chung ---------- */
.sec{padding:90px 0;border-bottom:1px solid var(--line)}
.sec--ink{background:var(--ink);color:#fff;border-color:#333}
.sec__head{display:grid;grid-template-columns:120px 1fr auto;align-items:end;gap:20px;margin-bottom:46px;padding-bottom:18px;border-bottom:1px solid var(--ink)}
.sec--ink .sec__head{border-color:#444}
.sec__head .idx{font-family:var(--ff-m);font-size:12px;color:var(--blue);letter-spacing:.06em}
.sec__head h2{font-size:clamp(30px,3.6vw,52px)}
.sec__head .note{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);text-align:right}

/* ---------- Dự án: dải cuộn ngang ---------- */
.strip-wrap{position:relative}
.strip{display:flex;gap:1px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;background:var(--line);border:1px solid var(--line);border-left:0;border-right:0}
.strip::-webkit-scrollbar{display:none}
.card{flex:0 0 clamp(260px,26vw,360px);scroll-snap-align:start;background:var(--paper);padding:18px 18px 22px;display:grid;gap:14px;position:relative;transition:background .2s}
.card:hover{background:#fff}
.card__top{display:flex;justify-content:space-between;font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray)}
.card__top b{font-weight:400;color:var(--blue)}
.card .ph{aspect-ratio:3/4;filter:grayscale(.15)}
.card:hover .ph{filter:none}
.card h3{font-size:20px;font-weight:500;letter-spacing:-.02em}
.card__meta{display:flex;justify-content:space-between;font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;color:var(--gray);border-top:1px solid var(--line);padding-top:10px}
.card__meta b{font-weight:400;color:var(--ink)}
.strip__nav{display:flex;justify-content:space-between;align-items:center;margin-top:20px;font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray)}
.strip__btns{display:flex;gap:1px;border:1px solid var(--ink);background:var(--ink)}
.strip__btns button{width:48px;height:40px;background:var(--paper);display:grid;place-items:center}
.strip__btns button:hover{background:var(--blue);color:#fff}

/* ---------- Quy trình: 5 cột + đường tiến độ ---------- */
.prog{height:1px;background:var(--line);position:relative;margin-bottom:30px}
.prog i{position:absolute;left:0;top:0;height:100%;width:0;background:var(--blue);transition:width 1.2s cubic-bezier(.2,.7,.2,1)}
.steps{display:grid;grid-template-columns:repeat(5,1fr)}
.step{padding:0 24px 10px;border-left:1px solid var(--line)}
.step:first-child{padding-left:0;border-left:0}
.step .no{font-family:var(--ff-m);font-size:12px;color:var(--blue);display:flex;justify-content:space-between;margin-bottom:60px}
.step .no i{font-style:normal;color:var(--gray)}
.step h3{font-size:19px;font-weight:500;margin-bottom:10px}
.step p{font-size:13.5px;color:#4A4A45}
.step .dur{font-family:var(--ff-m);font-size:11px;color:var(--gray);margin-top:14px;display:block;letter-spacing:.04em}

/* ---------- Studio: đội ngũ so le + trích dẫn ---------- */
.studio{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.quote-wrap{position:sticky;top:100px}
.quote{font-family:var(--ff-h);font-size:clamp(26px,3vw,42px);font-weight:500;letter-spacing:-.03em;line-height:1.15}
.quote::before{content:"“";color:var(--blue)}
.quote::after{content:"”";color:var(--blue)}
.quote__by{display:block;font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);margin-top:24px;font-weight:400}
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.member:nth-child(2){margin-top:70px}
.member .ph{aspect-ratio:4/5;filter:grayscale(1) contrast(1.05);transition:.4s}
.member:hover .ph{filter:none}
.member__i{padding-top:12px;border-top:1px solid var(--ink);margin-top:12px}
.member h3{font-size:16px;font-weight:600;letter-spacing:-.01em}
.member span{font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--gray);display:block;margin-top:4px}
.member p{font-size:13.5px;color:#4A4A45;margin-top:10px}

/* ---------- Số liệu mono ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #444}
.stat{padding:34px 24px 34px 0;border-bottom:1px solid #444;border-right:1px solid #444}
.stat:not(:first-child){padding-left:24px}
.stat:last-child{border-right:0}
.stat b{font-family:var(--ff-m);font-size:clamp(40px,4.6vw,68px);font-weight:400;line-height:1;display:block;letter-spacing:-.04em}
.stat b i{font-style:normal;color:var(--blue);font-size:.5em;vertical-align:top;margin-left:4px}
.stat span{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#9A9A95;display:block;margin-top:16px}

/* ---------- Bản vẽ: hover đổi sang ảnh thật ---------- */
.sketches{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.sk{position:relative;aspect-ratio:4/3;border:1px solid var(--ink);overflow:hidden}
.sk .ph{position:absolute;inset:0;transition:opacity .6s}
.sk .ph.sk--photo{opacity:0}
.sk:hover .sk--photo{opacity:1}
.sk .tag{position:absolute;left:14px;bottom:14px;font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--paper);border:1px solid var(--ink);padding:6px 10px;z-index:2}
.sk .tag::after{content:" · rê chuột để xem ảnh thật";color:var(--gray);text-transform:none}
.sk:hover .tag::after{content:" · ảnh hoàn thiện";color:var(--blue)}

/* ---------- Bảng mono (báo chí, giải thưởng, timeline) ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);text-align:left;font-weight:400;padding:0 16px 12px 0;border-bottom:1px solid var(--ink)}
.tbl td{padding:16px 16px 16px 0;border-bottom:1px solid var(--line);vertical-align:top}
.tbl td.m{font-family:var(--ff-m);font-size:12px;letter-spacing:.04em;color:var(--gray);white-space:nowrap}
.tbl td.m.b{color:var(--blue)}
.tbl tr:hover td{background:#fff}
.tbl a{border-bottom:1px solid var(--ink)}

/* ---------- Liên hệ: email lớn + form ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact h2{font-size:clamp(28px,3vw,42px);font-weight:500;margin-bottom:16px}
.contact .mail{font-family:var(--ff-h);font-size:clamp(28px,4.2vw,60px);letter-spacing:-.04em;line-height:1;display:inline-block;border-bottom:2px solid var(--blue);word-break:break-all;margin:8px 0 30px}
.contact .mail:hover{color:var(--blue)}
.info{display:grid;grid-template-columns:1fr 1fr;gap:20px;font-size:14px;border-top:1px solid var(--ink);padding-top:20px}
.info b{display:block;font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);font-weight:400;margin-bottom:6px}
.form{display:grid;gap:22px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:grid;gap:8px}
.field label{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray)}
.field label i{font-style:normal;color:var(--blue)}
.field input,.field select,.field textarea{border:0;border-bottom:1px solid var(--ink);background:transparent;padding:10px 0;font:inherit;font-size:16px;border-radius:0;color:var(--ink);width:100%}
.field select{appearance:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='1.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right center/16px no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom:1px solid var(--blue);box-shadow:0 1px 0 var(--blue)}
.field textarea{min-height:110px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:12px;padding:16px 26px;background:var(--ink);color:#fff;font-family:var(--ff-m);font-size:12px;letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--ink);cursor:pointer;justify-self:start}
.btn:hover{background:var(--blue);border-color:var(--blue)}
.btn--o{background:transparent;color:var(--ink)}
.btn--o:hover{color:#fff}
.form .hint{font-family:var(--ff-m);font-size:11px;color:var(--gray);letter-spacing:.04em}

/* ---------- Footer ---------- */
.footer{padding:40px 0 30px;font-size:13px}
.footer__in{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid var(--line)}
.footer h4{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);font-weight:400;margin-bottom:12px}
.footer li{padding:3px 0}
.footer li a:hover{color:var(--blue)}
.footer p{color:var(--gray);max-width:360px;margin-top:10px}
.footer__bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:18px;font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;color:var(--gray);text-transform:uppercase}

/* ---------- Trang con: tiêu đề trang ---------- */
.page-head{padding:60px 0 40px;border-bottom:1px solid var(--ink);
  background-image:repeating-linear-gradient(0deg,rgba(17,17,17,.06) 0 1px,transparent 1px var(--grid)),repeating-linear-gradient(90deg,rgba(17,17,17,.06) 0 1px,transparent 1px var(--grid))}
.page-head .crumb{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);margin-bottom:24px;display:flex;gap:10px}
.page-head .crumb a:hover{color:var(--blue)}
.page-head h1{font-size:clamp(40px,6vw,88px);letter-spacing:-.045em;line-height:.95}
.page-head h1 span{color:var(--blue)}
.page-head p{max-width:560px;margin-top:20px;font-size:16px;color:#3A3A36}

/* ---------- Trang dự án: lọc + chuyển lưới/danh sách ---------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:18px 0;border-bottom:1px solid var(--line);margin-bottom:40px;position:sticky;top:64px;background:var(--paper);z-index:20}
.filters{display:flex;gap:1px;flex-wrap:wrap;background:var(--line);border:1px solid var(--line)}
.filters button{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:10px 16px;background:var(--paper)}
.filters button:hover{background:#fff}
.filters button.is-active{background:var(--ink);color:#fff}
.filters button i{font-style:normal;color:var(--blue);margin-left:6px}
.filters button.is-active i{color:#8FA8FF}
.view{display:flex;gap:1px;border:1px solid var(--ink);background:var(--ink)}
.view button{width:44px;height:38px;background:var(--paper);display:grid;place-items:center}
.view button.is-active{background:var(--ink);color:#fff}
.count{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;color:var(--gray);text-transform:uppercase}
.count b{color:var(--blue);font-weight:400}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.pitem{background:var(--paper);padding:16px;display:grid;gap:12px;align-content:start;transition:.2s}
.pitem:hover{background:#fff}
.pitem.is-hidden{display:none}
.pitem__top{display:flex;justify-content:space-between;font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray)}
.pitem__top b{color:var(--blue);font-weight:400}
.pitem .ph{aspect-ratio:4/3;filter:grayscale(.15)}
.pitem:hover .ph{filter:none}
.pitem h3{font-size:18px;font-weight:500;letter-spacing:-.02em}
.pitem__meta{font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;color:var(--gray);border-top:1px solid var(--line);padding-top:10px}
.pitem__meta b{font-weight:400;color:var(--ink)}
.pitem p{display:none;font-size:13.5px;color:#4A4A45}
/* chế độ danh sách */
.pgrid.is-list{grid-template-columns:1fr}
.pgrid.is-list .pitem{grid-template-columns:70px 180px 1fr 240px;align-items:center;gap:24px;padding:14px 20px}
.pgrid.is-list .pitem__top{display:contents}
.pgrid.is-list .pitem__top span{display:none}
.pgrid.is-list .pitem .ph{aspect-ratio:4/3;width:180px}
.pgrid.is-list .pitem h3{font-size:22px}
.pgrid.is-list .pitem p{display:block;margin-top:4px}
.pgrid.is-list .pitem__meta{border:0;padding:0;text-align:right}
.pgrid.is-list .pitem__meta br{display:none}

/* ---------- Chi tiết dự án ---------- */
.case-hero{padding:40px 0 60px;border-bottom:1px solid var(--ink)}
.case-hero .crumb{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);margin-bottom:20px;display:flex;gap:10px}
.case-hero h1{font-size:clamp(38px,5.6vw,84px);letter-spacing:-.045em;line-height:.95;margin-bottom:34px}
.case-hero h1 span{color:var(--blue)}
.case{display:grid;grid-template-columns:300px 1fr;gap:70px;align-items:start;padding:70px 0}
.facts{position:sticky;top:90px;font-family:var(--ff-m);font-size:12.5px;letter-spacing:.02em}
.facts dl{display:grid;grid-template-columns:100px 1fr;border-top:1px solid var(--ink)}
.facts dt,.facts dd{padding:12px 0;border-bottom:1px solid var(--line)}
.facts dt{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--gray)}
.facts dd.b{color:var(--blue)}
.facts .share{margin-top:24px;display:flex;gap:16px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--gray)}
.facts .share a:hover{color:var(--blue)}
.case__body{min-width:0}
.case__body h2{font-size:clamp(24px,2.6vw,36px);margin:0 0 16px}
.case__body h2 .idx{font-family:var(--ff-m);font-size:12px;color:var(--blue);letter-spacing:.06em;margin-right:14px;vertical-align:middle;font-weight:400}
.case__body p{max-width:680px;color:#3A3A36;margin-bottom:14px;font-size:16px}
.case__body .lead{font-size:20px;color:var(--ink);font-family:var(--ff-h);font-weight:500;letter-spacing:-.02em;line-height:1.35;max-width:760px;margin-bottom:34px}
.case__body .wide{aspect-ratio:16/9;margin:34px 0 10px;border:1px solid var(--line)}
.case__body .two{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:34px 0 10px}
.case__body .two .ph{aspect-ratio:4/5;border:1px solid var(--line)}
.case__body .cap{font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;color:var(--gray);text-transform:uppercase;margin-bottom:40px;display:flex;justify-content:space-between}
.case__body .cap b{color:var(--blue);font-weight:400}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.plans .pl{border:1px solid var(--ink);position:relative}
.plans .ph{aspect-ratio:4/3;filter:contrast(1.05)}
.plans .lbl{position:absolute;top:12px;left:12px;font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--paper);border:1px solid var(--ink);padding:5px 9px}
.plans .scale{position:absolute;right:12px;bottom:12px;font-family:var(--ff-m);font-size:10px;color:var(--blue);letter-spacing:.06em;background:var(--paper);padding:3px 6px;border:1px solid var(--blue)}
.plans .scale::before{content:"";display:inline-block;width:40px;height:1px;background:var(--blue);vertical-align:middle;margin-right:8px}
.case__nav{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink);margin-top:70px}
.case__nav a{padding:30px 0;display:grid;gap:8px}
.case__nav a:last-child{text-align:right;border-left:1px solid var(--line);padding-left:30px}
.case__nav a:first-child{padding-right:30px}
.case__nav span{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray)}
.case__nav b{font-family:var(--ff-h);font-size:clamp(20px,2.4vw,32px);font-weight:500;letter-spacing:-.03em}
.case__nav a:hover b{color:var(--blue)}

/* ---------- Trang studio ---------- */
.philo{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.philo h2{font-size:clamp(30px,4vw,56px);letter-spacing:-.04em;line-height:1}
.philo p{font-size:16px;color:#3A3A36;margin-bottom:14px}
.philo ol{counter-reset:p;display:grid;gap:0;border-top:1px solid var(--ink);margin-top:30px;list-style:none}
.philo ol li{counter-increment:p;display:grid;grid-template-columns:50px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.philo ol li::before{content:"0" counter(p);font-family:var(--ff-m);font-size:12px;color:var(--blue)}
.philo ol li b{display:block;font-weight:500;margin-bottom:3px}
.people{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.people .member:nth-child(2){margin-top:0}
.people .member .ph{aspect-ratio:4/5}
.people .member p{margin-top:12px}
.people .member .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.people .member .tags span{border:1px solid var(--line);padding:3px 8px;font-size:10px;margin:0}
.timeline{border-top:1px solid var(--ink)}
.tl{display:grid;grid-template-columns:110px 1fr 200px;gap:24px;padding:18px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.tl .y{font-family:var(--ff-m);font-size:13px;color:var(--blue)}
.tl .m{font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;color:var(--gray);text-transform:uppercase;text-align:right}
.tl b{font-weight:500}
.jobs{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.job{background:var(--paper);padding:24px;display:grid;gap:10px;align-content:start}
.job:hover{background:#fff}
.job .no{font-family:var(--ff-m);font-size:11px;color:var(--blue);letter-spacing:.06em}
.job h3{font-size:19px;font-weight:500}
.job p{font-size:13.5px;color:#4A4A45}
.job .meta{font-family:var(--ff-m);font-size:11px;letter-spacing:.04em;color:var(--gray);border-top:1px solid var(--line);padding-top:10px;text-transform:uppercase}
.job a{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--ink);justify-self:start}
.job a:hover{color:var(--blue);border-color:var(--blue)}

/* ---------- Trang liên hệ ---------- */
.ct{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:start}
.office{position:sticky;top:90px}
.office .mail{font-family:var(--ff-h);font-size:clamp(26px,3vw,40px);letter-spacing:-.04em;border-bottom:2px solid var(--blue);display:inline-block;margin-bottom:30px;word-break:break-all}
.office .mail:hover{color:var(--blue)}
.office dl{display:grid;grid-template-columns:110px 1fr;border-top:1px solid var(--ink);font-size:14px}
.office dt,.office dd{padding:12px 0;border-bottom:1px solid var(--line)}
.office dt{font-family:var(--ff-m);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray)}
.map{aspect-ratio:4/3;margin-top:24px;border:1px solid var(--ink);position:relative;
  background-image:repeating-linear-gradient(0deg,rgba(17,17,17,.08) 0 1px,transparent 1px 24px),repeating-linear-gradient(90deg,rgba(17,17,17,.08) 0 1px,transparent 1px 24px)}
.map .pin{position:absolute;left:52%;top:46%;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px rgba(27,77,255,.15)}
.map .lbl{position:absolute;left:56%;top:40%;font-family:var(--ff-m);font-size:11px;background:var(--paper);border:1px solid var(--blue);padding:4px 8px;letter-spacing:.04em;white-space:nowrap}
.map .road{position:absolute;background:rgba(17,17,17,.25)}
.mini{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.mini div{background:var(--paper);padding:20px 16px;display:grid;gap:8px;align-content:start}
.mini .no{font-family:var(--ff-m);font-size:11px;color:var(--blue);letter-spacing:.06em}
.mini b{font-weight:500;font-size:14.5px;letter-spacing:-.01em}
.mini span{font-family:var(--ff-m);font-size:11px;color:var(--gray);letter-spacing:.04em}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .steps{grid-template-columns:repeat(3,1fr);row-gap:40px}
  .step:nth-child(4){border-left:0;padding-left:0}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .pgrid.is-list .pitem{grid-template-columns:50px 140px 1fr 200px}
  .pgrid.is-list .pitem .ph{width:140px}
  .footer__in{grid-template-columns:1fr 1fr}
  .mini{grid-template-columns:repeat(3,1fr)}
  .case{grid-template-columns:250px 1fr;gap:40px}
  .hero h1 span:nth-child(2){margin-left:clamp(30px,14vw,200px)}
}
@media (max-width:980px){
  .nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--paper);border-bottom:1px solid var(--ink);flex-direction:column;gap:0;padding:10px 3%}
  .nav.is-open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .burger{display:grid}
  .clock{display:none}
  .hero__cap{position:static;text-align:left;border-right:0;border-left:1px solid var(--ink);padding:0 0 0 14px;margin-bottom:30px}
  .hero__top{padding-top:40px}
  .studio,.contact,.philo,.ct,.sketches,.case{grid-template-columns:1fr}
  .quote-wrap,.facts,.office{position:static}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(n+3){padding-left:0}
  .stat:nth-child(2n+1){padding-left:0}
  .stat:nth-child(2n){padding-left:24px}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .people,.jobs{grid-template-columns:1fr 1fr}
  .toolbar{position:static}
  .bp__img{aspect-ratio:16/9}
  .dim--v span{left:auto;right:12px}
}
@media (max-width:640px){
  .sec{padding:60px 0}
  .sec__head{grid-template-columns:1fr;gap:8px}
  .sec__head .note{text-align:left}
  .hero h1{font-size:clamp(40px,12vw,64px)}
  .hero h1 span:nth-child(2){margin-left:0}
  .hero__meta .cta{flex-direction:column;gap:10px;width:100%}
  .hero__cta{justify-content:center}
  .bp__img{aspect-ratio:4/3}
  .dim--h.d2,.dim--tag.d4{display:none}
  .steps{grid-template-columns:1fr}
  .step{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:20px}
  .step .no{margin-bottom:20px}
  .team{grid-template-columns:1fr 1fr}
  .member:nth-child(2){margin-top:40px}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;padding-left:0!important}
  .tbl td.m{white-space:normal}
  .tbl .hide{display:none}
  .form .two{grid-template-columns:1fr}
  .info{grid-template-columns:1fr}
  .footer__in{grid-template-columns:1fr}
  .pgrid,.people,.jobs,.mini,.plans{grid-template-columns:1fr}
  .pgrid.is-list .pitem{grid-template-columns:1fr;padding:16px}
  .pgrid.is-list .pitem .ph{width:100%}
  .pgrid.is-list .pitem__meta{text-align:left}
  .case__body .two{grid-template-columns:1fr}
  .facts dl{grid-template-columns:90px 1fr}
  .tl{grid-template-columns:70px 1fr}
  .tl .m{grid-column:2;text-align:left}
  .case__nav{grid-template-columns:1fr}
  .case__nav a:last-child{border-left:0;border-top:1px solid var(--line);padding-left:0;text-align:left}
  .case__nav a:first-child{padding-right:0}
  .toolbar{flex-direction:column;align-items:stretch}
  .view{justify-self:start;width:max-content}
}