/* Wee Seng draft system, "Quiet precision". Shared by v3 directions. */
:root{--ink:#0b1b30;--navy:#0b2545;--night:#0a1626;--blue:#04649a;--cy:#19c8ff;--fog:#f3f6f9;--paper:#fff;--line:#dce3ea;--mute:#50657b;--w:1240px;--g:clamp(20px,4vw,48px);--r:2px;--ease:cubic-bezier(.16,1,.3,1);--sec:clamp(72px,9vw,128px)}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font:400 17px/1.65 "Hanken Grotesk",sans-serif;overflow-x:clip}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--w);margin:0 auto;padding:0 var(--g)}
h1,h2,h3,.brand b,.btn{font-family:Archivo,sans-serif}
h1,h2,h3{letter-spacing:-.035em;line-height:1}
h1{font-weight:800}h2{font-weight:800;font-size:clamp(34px,4.6vw,64px);max-width:15ch}h3{font-weight:700}
.lede{color:var(--mute);max-width:52ch;margin-top:18px;font-size:18px}
.btn{display:inline-flex;align-items:center;gap:12px;background:var(--navy);color:#fff;font-weight:600;font-size:15.5px;letter-spacing:-.01em;padding:17px 26px;border-radius:var(--r);white-space:nowrap;border:0;cursor:pointer;transition:background .25s,transform .25s var(--ease)}
.btn::after{content:"→";transition:transform .25s var(--ease)}
.btn:hover{background:var(--blue)}.btn:hover::after{transform:translateX(4px)}.btn:active{transform:scale(.98)}
.btn.cy{background:var(--cy);color:var(--ink)}.btn.cy:hover{background:#6fdcff}
.btn.line{background:transparent;color:inherit;box-shadow:inset 0 0 0 1.5px currentColor}.btn.line:hover{background:var(--ink);color:#fff;box-shadow:inset 0 0 0 1.5px var(--ink)}
.dark .btn.line:hover{background:#fff;color:var(--ink);box-shadow:none}
/* utility + header */
.util{background:var(--night);color:#a9bccf;font-size:13.5px}
.util .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;height:38px}
.util span:last-child{display:flex;gap:26px}.util a:hover{color:#fff}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:28px}
.brand{display:flex;align-items:center;gap:12px}.brand img{height:40px;width:auto}.brand b{font-size:19px;font-weight:700;letter-spacing:-.02em}
nav{display:flex;gap:34px;font-size:15.5px;font-weight:500;color:var(--mute)}nav a:hover{color:var(--ink)}
.burger{display:none;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:var(--r);cursor:pointer;place-items:center}
.burger i,.burger i::before,.burger i::after{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.burger i::before,.burger i::after{content:"";position:absolute;left:0}.burger i::before{top:-6px}.burger i::after{top:6px}
.panel{display:none;position:fixed;inset:114px 0 auto 0;background:#fff;padding:8px var(--g) 28px;flex-direction:column;z-index:29;border-bottom:1px solid var(--line)}
.panel a{padding:16px 0;font:700 24px Archivo;letter-spacing:-.02em;border-bottom:1px solid var(--line)}.panel.open{display:flex}
/* slash motif from the business card */
.slash{position:absolute;pointer-events:none;transform:skewX(-34deg);transform-origin:100% 0}
.slash.a{background:var(--cy)}.slash.b{background:var(--blue)}
/* sections */
section{padding:var(--sec) 0}
.tint{background:var(--fog)}
.dark{background:var(--night);color:#e8f0f8}.dark .lede{color:#9fb3c8}.dark h2{color:#fff}
/* rows */
.rows{border-bottom:1px solid var(--line)}
.row{display:grid;grid-template-columns:1fr auto;gap:8px 24px;align-items:center;padding:30px 0;border-top:1px solid var(--line);transition:padding .35s var(--ease),color .25s;cursor:pointer}
.row h3{font-size:clamp(26px,3vw,40px)}
.row p{grid-column:1;color:var(--mute);max-width:46ch}
.row::after{content:"→";grid-row:1/3;grid-column:2;font:700 28px Archivo;transition:transform .3s var(--ease),color .2s}
.row:hover{padding-left:14px}.row:hover::after{transform:translateX(6px);color:var(--blue)}
.dark .row,.dark .rows{border-color:rgba(255,255,255,.16)}.dark .row p{color:#9fb3c8}.dark .row:hover::after{color:var(--cy)}
/* process list */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.step{padding:28px 26px 8px 0}.step+.step{padding-left:26px;border-left:1px solid var(--line)}
.step h3{font-size:26px;margin-bottom:10px}.step p{color:var(--mute);font-size:16px}
.dark .steps,.dark .step+.step{border-color:rgba(255,255,255,.16)}.dark .step p{color:#9fb3c8}
/* segmented control */
.seg{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);border-radius:var(--r);width:fit-content;background:#fff}
.seg button{font:600 15.5px Archivo;letter-spacing:-.01em;background:transparent;border:0;padding:14px 22px;cursor:pointer;color:var(--mute);transition:.25s}
.seg button+button{border-left:1px solid var(--line)}.seg button:hover{color:var(--ink)}
.seg button[aria-selected=true]{background:var(--ink);color:#fff}
.dark .seg{border-color:rgba(255,255,255,.2);background:transparent}.dark .seg button+button{border-color:rgba(255,255,255,.2)}.dark .seg button{color:#9fb3c8}.dark .seg button[aria-selected=true]{background:var(--cy);color:var(--ink)}
.stack{position:relative;overflow:hidden}
.stack img{position:absolute;inset:0;opacity:0;transform:scale(1.04);transition:opacity .7s,transform 1.2s var(--ease)}.stack img.on{opacity:1;transform:none}
/* form + footer */
form{display:grid;gap:16px}label{font:600 14px Archivo;letter-spacing:-.005em;display:grid;gap:8px}
input,textarea{background:#fff;border:1px solid #b9c6d3;border-radius:var(--r);color:var(--ink);padding:14px 16px;font:inherit}
input:focus,textarea:focus{outline:2px solid var(--cy);outline-offset:1px}
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,88px)}
.info{margin-top:30px;display:grid;gap:4px}.info a{justify-self:start;border-bottom:1px solid var(--line)}
footer{background:var(--night);color:#8fa4ba;font-size:15px;padding:72px 0 110px}
footer .big{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:end;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.14)}
footer .tel{white-space:nowrap;font:800 clamp(34px,5.6vw,80px)/.95 Archivo;letter-spacing:-.045em;color:#fff;display:block}
footer .tel:hover{color:var(--cy)}
footer address{font-style:normal;line-height:1.7;color:#b9c9d9}
footer address a{color:#fff;border-bottom:1px solid rgba(255,255,255,.3)}
footer .legal{margin-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px}
footer .legal nav{gap:24px;font-size:13.5px;color:#8fa4ba}
.dock{display:none}
.note{position:fixed;left:14px;bottom:14px;z-index:40;background:rgba(10,22,38,.88);color:#fff;font:500 11.5px "Hanken Grotesk";padding:6px 10px;border-radius:2px;pointer-events:none}
[data-r]{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}[data-r].in{opacity:1;transform:none}
@keyframes up{from{opacity:0;transform:translateY(22px)}}
@keyframes rev{from{clip-path:inset(0 0 0 100%)}}
@keyframes zoom{from{transform:scale(1.08)}}
@keyframes sl{from{transform:skewX(-34deg) translateX(70%);opacity:0}}
@media(max-width:900px){
 nav,header .btn,.util span:last-child{display:none}.burger{display:grid}
 .contact .wrap{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.step:nth-child(3){border-left:0;padding-left:0}.step:nth-child(n+3){border-top:1px solid var(--line);margin-top:20px}
 footer .big{grid-template-columns:1fr}
 .dock{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:35;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line)}
 .dock .btn{padding:14px 6px;font-size:14.5px;justify-content:center}.dock .btn::after{display:none}.note{display:none}
}
@media(max-width:520px){.steps{grid-template-columns:1fr}.step+.step{border-left:0;padding-left:0;border-top:1px solid var(--line);margin-top:20px}.seg button{padding:12px 14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}[data-r]{opacity:1;transform:none}}

/* ===== finish layer: depth, shade rhythm, signature edge, micro-FX ===== */
:root{--sh1:0 1px 2px rgba(11,37,69,.08),0 12px 28px -10px rgba(11,37,69,.22),0 38px 70px -28px rgba(11,37,69,.30)}
body{background:#fff}
/* shade rhythm: every section gets its own tinted light */
.s-white{background:radial-gradient(900px 520px at 88% -8%,rgba(25,200,255,.10),transparent 62%),radial-gradient(720px 520px at -8% 108%,rgba(4,100,154,.07),transparent 62%),#fff}
.tint{background:radial-gradient(800px 480px at 100% 0%,rgba(25,200,255,.12),transparent 60%),radial-gradient(900px 600px at 0% 100%,rgba(4,100,154,.09),transparent 60%),linear-gradient(180deg,#f7fafd,#e9f0f6)}
.dark{background:radial-gradient(1100px 620px at 82% -6%,rgba(25,200,255,.16),transparent 60%),radial-gradient(800px 600px at 0% 100%,rgba(4,100,154,.30),transparent 60%),linear-gradient(180deg,#0a1626,#0c2240)}
section{position:relative;overflow:hidden;isolation:isolate}
section>.wrap,.hero>.wrap{position:relative;z-index:2}
/* signature edge: the logo itself as faint floating texture */
.fx{position:absolute;pointer-events:none;z-index:0;aspect-ratio:1.16;background:url(weeseng-icon-mono-navy.png) center/contain no-repeat;opacity:.06;animation:drift 22s ease-in-out infinite}
.fx.w{background-image:url(weeseng-icon-mono-white.png);opacity:.07}
.fx.c{background-image:url(weeseng-icon.png);opacity:.14}
.fx.s2{animation-duration:28s;animation-delay:-9s}
@keyframes drift{0%,100%{transform:translate3d(0,0,0) rotate(0)}50%{transform:translate3d(0,-22px,0) rotate(3deg)}}
/* airflow arcs ripple: concentric rings echoing the logo arcs */
.rings{position:absolute;pointer-events:none;z-index:0;border-radius:50%;background:repeating-radial-gradient(circle,transparent 0 38px,rgba(4,100,154,.13) 38px 40px);-webkit-mask-image:radial-gradient(circle,#000 20%,transparent 68%);mask-image:radial-gradient(circle,#000 20%,transparent 68%);animation:spin 120s linear infinite}
.dark .rings{background:repeating-radial-gradient(circle,transparent 0 38px,rgba(25,200,255,.16) 38px 40px)}
@keyframes spin{to{transform:rotate(360deg)}}
/* layered imagery */
.sh{box-shadow:var(--sh1)}
.frame{position:relative;isolation:isolate}
.frame::before{content:"";position:absolute;inset:20px -20px -20px 20px;border:1.5px solid var(--cy);z-index:-1;transition:transform .6s var(--ease)}
.frame::after{content:"";position:absolute;inset:-10px 24px 24px -10px;background:linear-gradient(135deg,rgba(25,200,255,.22),rgba(4,100,154,.08));z-index:-2}
.frame:hover::before{transform:translate(-8px,-8px)}
.zoom{overflow:hidden}.zoom img{transition:transform 1.4s var(--ease)}.zoom:hover img{transform:scale(1.06)}
/* title micro-FX: airflow underline draws on reveal */
.ul{position:relative;white-space:nowrap}
.ul svg{position:absolute;left:-2%;bottom:-.16em;width:104%;height:.3em;overflow:visible}
.ul path{fill:none;stroke:var(--cy);stroke-width:5;stroke-linecap:round;stroke-dasharray:300;stroke-dashoffset:300;transition:stroke-dashoffset 1.4s .35s var(--ease)}
.in .ul path,.in.ul path{stroke-dashoffset:0}
.dark .ul path{stroke:var(--cy)}
/* depth on interactive rows and steps */
.row{position:relative;border-radius:2px}
.row::before{content:"";position:absolute;inset:0 -18px;background:linear-gradient(90deg,rgba(25,200,255,.10),transparent);opacity:0;transition:opacity .35s;z-index:-1}
.row:hover::before{opacity:1}
.step{transition:transform .4s var(--ease)}.step:hover{transform:translateY(-6px)}
.step h3::before{content:"";display:block;width:34px;height:4px;background:var(--cy);margin-bottom:18px;transform:skewX(-34deg);transition:width .5s var(--ease)}.step:hover h3::before{width:64px}
.btn{box-shadow:0 1px 2px rgba(11,37,69,.2),0 10px 22px -8px rgba(11,37,69,.45)}
.btn:hover{box-shadow:0 2px 4px rgba(11,37,69,.2),0 18px 32px -10px rgba(4,100,154,.6);transform:translateY(-3px)}
.btn.cy{box-shadow:0 10px 26px -8px rgba(25,200,255,.6)}
/* CTA band with masked edge and richer gradient */
.cta-band{margin-top:-4vw;padding-top:calc(var(--sec) + 4vw);clip-path:polygon(0 4vw,100% 0,100% 100%,0 100%);background:linear-gradient(115deg,#03466f,#04649a 45%,#12a7e0 80%,#19c8ff);color:#fff}
.cta-band h2{color:#fff;text-shadow:0 4px 24px rgba(3,40,66,.5)}
.cta-band .btn{background:#fff;color:var(--ink);box-shadow:0 2px 0 rgba(255,255,255,.4) inset,0 18px 36px -10px rgba(2,30,51,.6)}
.cta-band .btn:hover{background:#eaf9ff}
/* footer: gradient + faint motif */
footer{position:relative;overflow:hidden;isolation:isolate;background:radial-gradient(900px 500px at 100% 0%,rgba(25,200,255,.14),transparent 60%),linear-gradient(180deg,#0a1626,#06101d)}
footer .wrap{position:relative;z-index:2}
@media(max-width:900px){.frame::before{inset:12px -10px -12px 12px}.frame::after{display:none}.cta-band{clip-path:polygon(0 24px,100% 0,100% 100%,0 100%);margin-top:-24px;padding-top:calc(var(--sec) + 24px)}}
@media(prefers-reduced-motion:reduce){.ul path{stroke-dashoffset:0}}

/* ===== soft layer: rounder, shadier, more levels ===== */
:root{--r:14px;--sh1:0 2px 6px rgba(11,37,69,.05),0 18px 40px -12px rgba(11,37,69,.17),0 54px 100px -34px rgba(11,37,69,.24)}
html{overflow-x:clip}
.btn{border-radius:12px;background:linear-gradient(180deg,#14335c,#0b2545);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 2px 4px rgba(11,37,69,.2),0 14px 28px -10px rgba(11,37,69,.5)}
.btn:hover{background:linear-gradient(180deg,#0a7fc2,#04649a)}
.btn.cy{background:linear-gradient(180deg,#5fdcff,#19c8ff);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 14px 30px -10px rgba(25,200,255,.65)}
.btn.line{background:transparent;box-shadow:inset 0 0 0 1.5px currentColor}
.cta-band .btn{background:linear-gradient(180deg,#fff,#e6f6fd)}
figure,.view,.peek,.stack,.mason .sh,.frame>div,.cta-band figure{border-radius:20px}
.hero figure,.proof figure{border-radius:22px}
.frame::before{border-radius:22px;border-color:rgba(25,200,255,.55)}.frame::after{border-radius:26px;filter:blur(2px);opacity:.8}
.seg{border-radius:14px;overflow:hidden}.seg button:first-child{border-radius:13px 0 0 13px}
input,textarea{border-radius:12px;box-shadow:inset 0 1px 2px rgba(11,37,69,.06)}
form.sh{border-radius:24px}
.util+header{border-bottom-color:rgba(220,227,234,.7)}
header{box-shadow:0 10px 30px -22px rgba(11,37,69,.35)}
.row{border-radius:14px}.row::before{border-radius:14px;inset:0 -14px}
.spec{border-radius:22px;border:1px solid rgba(220,227,234,.8);margin:-30px auto 0;max-width:calc(var(--w) - 2*var(--g));box-shadow:var(--sh1);background:linear-gradient(180deg,#fff,#f6f9fc)}
.spec .wrap{padding:0 8px}
.slab{margin:0 clamp(10px,2vw,28px);border-radius:32px}
.cards figure{border-radius:20px}.cards article:hover figure{box-shadow:0 34px 70px -24px rgba(25,200,255,.4)}
.mason figure>div{border-radius:20px}
details{border-radius:0}
.blob{position:absolute;pointer-events:none;z-index:0;border-radius:50%;filter:blur(80px);opacity:.28;background:radial-gradient(circle,var(--cy),transparent 68%)}
.blob.b{background:radial-gradient(circle,#2f8cf0,transparent 68%);opacity:.22}
/* icons */
h3>i.ph{display:inline-grid;place-items:center;width:1.55em;height:1.55em;border-radius:13px;background:linear-gradient(145deg,rgba(25,200,255,.22),rgba(4,100,154,.12));color:var(--blue);font-size:.62em;margin-right:.7em;vertical-align:.14em;box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 8px 16px -8px rgba(4,100,154,.5)}
.dark h3>i.ph,.cards h3>i.ph{color:var(--cy);background:linear-gradient(145deg,rgba(25,200,255,.25),rgba(25,200,255,.06))}
/* quick quote card */
.qq{background:#fff;border-radius:22px;padding:22px 22px 24px;box-shadow:var(--sh1);display:grid;gap:12px;min-width:min(340px,100%);color:var(--ink)}
.qq h3{font-size:22px;letter-spacing:-.03em}.qq p{color:var(--mute);font-size:14.5px;line-height:1.45}
.qq input,.qq textarea{padding:12px 14px;font-size:15.5px;background:#f3f6f9;border-color:#e0e7ee}
.qq .btn{justify-content:center;width:100%}
/* why + articles */
.why .grid{margin-top:48px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.why .it{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:28px;border-radius:22px;background:linear-gradient(180deg,#fff,#f4f8fb);border:1px solid rgba(220,227,234,.9);box-shadow:0 1px 2px rgba(11,37,69,.04),0 20px 40px -22px rgba(11,37,69,.28);transition:transform .45s var(--ease),box-shadow .45s}
.why .it:hover{transform:translateY(-6px);box-shadow:0 2px 4px rgba(11,37,69,.06),0 34px 60px -24px rgba(4,100,154,.4)}
.why .ic{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;font-size:28px;color:#fff;background:linear-gradient(145deg,#19c8ff,#04649a);box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 14px 24px -10px rgba(4,100,154,.7)}
.why h3{font-size:24px;margin-bottom:6px}.why p{color:var(--mute)}
.arts{margin-top:48px;display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:22px}
.art{display:flex;flex-direction:column;gap:16px}
.art figure{aspect-ratio:4/3;box-shadow:var(--sh1);overflow:hidden}.art:first-child figure{aspect-ratio:4/3.1}
.art h3{font-size:clamp(21px,2vw,27px);letter-spacing:-.03em;line-height:1.1}.art small{font:600 13.5px Archivo;color:var(--blue)}
.art:hover h3{color:var(--blue)}
.dark .why .it,.why.dk .it{background:linear-gradient(180deg,#0f2239,#0b1a2e);border-color:rgba(255,255,255,.1);box-shadow:0 24px 50px -26px rgba(0,0,0,.8)}
.dark .why p{color:#9fb3c8}.dark .art h3{color:#fff}.dark .art:hover h3{color:var(--cy)}.dark .art small{color:var(--cy)}
@media(max-width:900px){.why .grid,.arts{grid-template-columns:1fr}.spec{margin:-24px 12px 0;border-radius:18px}.slab{border-radius:24px;margin:0 6px}.qq{min-width:0}}
.hero{overflow-x:clip}
.hero .qq p,.qq p{color:var(--mute)!important;font-size:14.5px!important;max-width:none!important;margin:0!important;line-height:1.45}
.qq label{font-size:13px}