/* BSK CREA — Design pass V2 */
:root{
  --ease:cubic-bezier(.22,.8,.22,1);
}

/* Global polish */
body{background:
  radial-gradient(circle at 82% 5%,rgba(7,135,249,.07),transparent 26%),
  radial-gradient(circle at 8% 92%,rgba(229,184,67,.035),transparent 22%),
  #050608;
}
::selection{background:var(--blue);color:#fff}
.scroll-progress{position:fixed;left:0;top:0;right:0;height:2px;z-index:1200;background:rgba(255,255,255,.03);pointer-events:none}
.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),#57b5ff,var(--gold));box-shadow:0 0 16px rgba(7,135,249,.5)}
.cursor-orb{position:fixed;width:18px;height:18px;border-radius:50%;border:1px solid rgba(247,248,250,.42);z-index:999;pointer-events:none;transform:translate(-50%,-50%);opacity:0;transition:width .22s var(--ease),height .22s var(--ease),background .22s,opacity .2s,border-color .22s;mix-blend-mode:difference}
.cursor-orb.active{width:58px;height:58px;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55)}

/* Header */
.site-header{padding-left:max(var(--pad),34px);padding-right:max(var(--pad),34px)}
.brand img{width:208px;transition:width .35s var(--ease),opacity .25s}
.site-header.scrolled .brand img{width:182px}
.desktop-nav a{position:relative;padding:8px 0}
.desktop-nav a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--blue);transition:width .25s var(--ease)}
.desktop-nav a:hover:after{width:100%}

/* Hero refinement */
.hero{padding-top:132px}
.hero-grid{grid-template-columns:minmax(0,1.28fr) minmax(420px,.72fr)}
.hero-title{font-size:clamp(64px,8.9vw,154px)}
.hero-title .outline{-webkit-text-stroke:1px rgba(247,248,250,.48)}
.hero-intro{max-width:650px;color:#b4bdcc}
.hero-orbit{max-width:595px;filter:drop-shadow(0 34px 70px rgba(0,0,0,.38))}
.hero-orbit:before{content:"";position:absolute;inset:22%;border-radius:50%;background:radial-gradient(circle,rgba(7,135,249,.11),transparent 65%);filter:blur(14px)}
.hero-symbol-wrap{width:45%}
.hero-symbol{filter:drop-shadow(0 0 24px rgba(229,184,67,.08)) drop-shadow(0 22px 44px rgba(0,0,0,.55))}
.orbit{transition:border-color .35s}
.hero-orbit:hover .orbit{border-color:rgba(7,135,249,.24)}
.orbit-3{border-color:rgba(229,184,67,.28)}
.orbit:before{content:"";position:absolute;inset:-3px;border-radius:50%;border:1px solid transparent;border-top-color:rgba(7,135,249,.18);filter:blur(.15px)}
.orbit-label{font-size:8px;color:#8996aa}
.hero-marquee{margin-top:58px;background:rgba(6,8,12,.5);backdrop-filter:blur(8px)}

/* BSK system */
.intro-block{padding-top:150px}
.intro-statement{max-width:1280px}
.intro-statement .muted{max-width:1120px;color:#55606f}
.bsk-system{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:78px}
.system-card{position:relative;min-height:360px;border:1px solid var(--line);border-radius:22px;padding:24px;overflow:hidden;background:linear-gradient(145deg,rgba(255,255,255,.035),rgba(255,255,255,.012));transition:transform .35s var(--ease),border-color .35s,background .35s}
.system-card:before{content:"";position:absolute;width:210px;height:210px;border-radius:50%;right:-90px;top:-90px;background:radial-gradient(circle,rgba(255,255,255,.1),transparent 66%);opacity:.28}
.system-card:hover{transform:translateY(-7px);border-color:rgba(247,248,250,.22);background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.015))}
.system-card-blue:after,.system-card-gold:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--blue);opacity:.65}
.system-card-gold:after{background:var(--gold)}
.system-card>span{position:absolute;top:24px;right:24px;color:#586476;font-size:10px;letter-spacing:.18em}
.system-card small{display:block;color:var(--blue);font-size:9px;letter-spacing:.2em;margin-top:2px}
.system-card-gold small{color:var(--gold)}
.system-card h3{max-width:330px;font-size:clamp(28px,2.5vw,42px);line-height:.98;letter-spacing:-.045em;margin:145px 0 18px}
.system-card p{max-width:330px;margin:0;color:#828d9f;font-size:13px;line-height:1.65}
.bsk-stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:18px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#080a0f}
.bsk-stats>div{min-height:132px;padding:24px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between}
.bsk-stats>div:last-child{border-right:0}
.bsk-stats strong{font-size:clamp(30px,3.2vw,50px);letter-spacing:-.05em;font-weight:600}
.bsk-stats span{color:#6f7a8d;font-size:10px;letter-spacing:.08em;text-transform:uppercase;max-width:190px}

/* Projects — more editorial / immersive */
.projects{padding-top:138px}
.project-head{align-items:flex-start}
.projects-side{width:min(480px,100%);padding-top:12px}
.project-filters{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}
.project-filters button{border:1px solid var(--line);background:transparent;color:#798598;border-radius:999px;padding:8px 13px;font-size:9px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:.25s}
.project-filters button.active,.project-filters button:hover{border-color:rgba(7,135,249,.5);color:#dce5f2;background:rgba(7,135,249,.08)}
.featured-case{display:grid;grid-template-columns:minmax(0,1.52fr) minmax(320px,.48fr);border-top:1px solid var(--line);padding-top:18px;margin-top:12px}
.featured-media{position:relative;min-height:660px;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.08);isolation:isolate}
.case-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:58px 58px;mask-image:linear-gradient(120deg,#000 15%,transparent 85%)}
.case-kicker{position:absolute;top:24px;left:26px;font-size:9px;letter-spacing:.2em;color:#a7b2c2;z-index:2}
.case-word{position:absolute;left:4%;bottom:3%;font-weight:900;font-size:clamp(92px,13vw,210px);line-height:.69;letter-spacing:-.08em;color:rgba(247,248,250,.08);z-index:1}
.case-scan{position:absolute;left:0;top:20%;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--blue),transparent);box-shadow:0 0 30px rgba(7,135,249,.8);opacity:.5;animation:caseScan 5.8s ease-in-out infinite}
.case-node{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 20px rgba(7,135,249,.75)}
.node-a{left:28%;top:34%}.node-b{left:68%;top:58%}.node-c{left:83%;top:24%;background:var(--gold);box-shadow:0 0 20px rgba(229,184,67,.55)}
.case-badge{position:absolute;right:24px;bottom:24px;border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:10px 14px;font-size:8px;letter-spacing:.18em;background:rgba(4,6,9,.45);backdrop-filter:blur(10px);color:#b5bfce}
.case-info{padding:26px 0 28px 34px;display:flex;flex-direction:column;justify-content:space-between}
.case-info>div:first-child{display:flex;justify-content:space-between;gap:12px;color:#6d798c;font-size:9px;letter-spacing:.12em;text-transform:uppercase}
.case-info h3{font-size:clamp(30px,3.2vw,54px);line-height:1;letter-spacing:-.05em;font-weight:500;margin:90px 0 54px}
.case-action{font-size:10px;letter-spacing:.16em;color:#c9d1dc;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:18px}
.case-action b{font-size:20px;color:var(--blue)}
.project-duo{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:84px}
.case-card{border-top:1px solid var(--line);padding-top:16px}
.case-card-media{position:relative;min-height:500px;border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.07);transition:transform .45s var(--ease),border-color .3s}
.case-card:hover .case-card-media{transform:translateY(-6px);border-color:rgba(255,255,255,.15)}
.visual-film{background:radial-gradient(circle at 50% 44%,rgba(7,135,249,.22),transparent 24%),linear-gradient(150deg,#090b10,#111a29 50%,#050609)}
.film-frame{position:absolute;border:1px solid rgba(255,255,255,.16);border-radius:16px;background:linear-gradient(135deg,rgba(7,135,249,.1),rgba(229,184,67,.03));box-shadow:0 30px 80px rgba(0,0,0,.32)}
.film-1{width:58%;height:54%;left:9%;top:12%;transform:rotate(-7deg)}
.film-2{width:58%;height:54%;right:8%;top:22%;transform:rotate(5deg);background:linear-gradient(135deg,rgba(229,184,67,.08),rgba(7,135,249,.06))}
.film-3{width:58%;height:54%;left:22%;top:35%;transform:rotate(-1deg);background:linear-gradient(135deg,#0d1524,#07090d)}
.film-reticle{position:absolute;left:50%;top:47%;width:104px;height:104px;border:1px solid rgba(247,248,250,.14);border-radius:50%;transform:translate(-50%,-50%)}
.film-reticle:before,.film-reticle:after{content:"";position:absolute;background:rgba(247,248,250,.12)}
.film-reticle:before{width:1px;height:140%;left:50%;top:-20%}.film-reticle:after{height:1px;width:140%;top:50%;left:-20%}
.media-label{position:absolute;left:20px;bottom:18px;font-size:8px;letter-spacing:.18em;color:#8895a8}
.visual-interface{background:linear-gradient(135deg,#081226,#071A3D 44%,#06080d)}
.interface-shell{position:absolute;inset:12%;border:1px solid rgba(247,248,250,.14);border-radius:16px;background:rgba(4,6,10,.52);backdrop-filter:blur(8px);box-shadow:0 40px 100px rgba(0,0,0,.35);transform:perspective(1100px) rotateY(-5deg) rotateX(2deg)}
.interface-top{height:42px;border-bottom:1px solid rgba(247,248,250,.09);display:flex;align-items:center;gap:7px;padding:0 14px}
.interface-top span{width:6px;height:6px;border-radius:50%;background:#596476}.interface-top b{margin-left:auto;font-size:7px;letter-spacing:.16em;color:#5f6c81;font-weight:500}
.interface-main{position:absolute;inset:42px 0 0;padding:28px;display:flex;align-items:flex-end;justify-content:space-between}
.interface-copy{font-size:clamp(28px,4.2vw,64px);font-weight:800;line-height:.82;letter-spacing:-.055em;color:#f2f4f8}.interface-copy em{font-style:normal;color:transparent;-webkit-text-stroke:1px rgba(247,248,250,.42)}
.interface-orbit{width:32%;aspect-ratio:1;border-radius:50%;border:1px solid rgba(7,135,249,.36);position:relative;display:grid;place-items:center}
.interface-orbit:after{content:"";position:absolute;inset:18%;border:1px dashed rgba(229,184,67,.35);border-radius:50%}
.interface-orbit span{width:14px;height:14px;background:var(--blue);border-radius:50%;box-shadow:0 0 38px rgba(7,135,249,.8)}
.interface-orbit i{position:absolute;width:5px;height:5px;background:var(--gold);border-radius:50%;top:4%;left:50%;box-shadow:0 0 15px rgba(229,184,67,.8)}
.case-card-copy{padding:16px 2px 34px;display:grid;grid-template-columns:80px 1fr auto;gap:18px;align-items:start}
.case-card-copy>span{font-size:9px;letter-spacing:.16em;color:#697487}.case-card-copy h3{font-size:clamp(20px,2vw,31px);line-height:1.08;letter-spacing:-.035em;font-weight:500;margin:0;max-width:470px}.case-card-copy b{font-size:9px;letter-spacing:.14em;color:var(--blue);white-space:nowrap}

/* Expertise polish */
.expertise{padding-top:140px}
.service-row{position:relative;overflow:hidden}
.service-row:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--blue);transform:scaleY(0);transform-origin:center;transition:transform .25s var(--ease)}
.service-row:hover:before{transform:scaleY(1)}
.service-row:hover strong{color:#fff}

/* Why BSK */
.why-bsk{position:relative;z-index:1;padding-top:90px;padding-bottom:130px}
.why-shell{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}
.why-copy{min-height:620px;border-radius:24px;padding:34px;background:linear-gradient(150deg,#071A3D 0%,#0a1325 48%,#07090d 100%);border:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;position:relative;overflow:hidden}
.why-copy:before{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(7,135,249,.15);border-radius:50%;right:-260px;top:-150px;box-shadow:0 0 80px rgba(7,135,249,.05) inset}
.why-copy:after{content:"";position:absolute;width:240px;height:240px;border:1px dashed rgba(229,184,67,.15);border-radius:50%;right:-70px;top:-10px}
.why-copy .section-index{position:absolute;top:32px;left:34px}
.why-copy h2{font-size:clamp(48px,5.7vw,90px);line-height:.86;letter-spacing:-.06em;margin:0 0 28px}.why-copy h2 span{color:transparent;-webkit-text-stroke:1px rgba(247,248,250,.48)}
.why-copy p{max-width:520px;color:#9da9bb;font-size:16px;margin:0 0 30px}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.why-grid article{min-height:303px;border:1px solid var(--line);border-radius:22px;padding:24px;background:linear-gradient(145deg,rgba(255,255,255,.03),rgba(255,255,255,.01));display:flex;flex-direction:column;justify-content:flex-end;transition:.3s var(--ease)}
.why-grid article:hover{transform:translateY(-5px);border-color:rgba(7,135,249,.35);background:linear-gradient(145deg,rgba(7,135,249,.07),rgba(255,255,255,.01))}
.why-grid article span{margin-bottom:auto;color:#5c687a;font-size:9px;letter-spacing:.16em}
.why-grid article h3{font-size:32px;letter-spacing:-.04em;margin:0 0 12px}.why-grid article p{color:#7d899b;font-size:13px;line-height:1.6;margin:0}

/* Method timeline */
.method{padding-top:135px}
.method-top{align-items:start}
.steps{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#080a0e}
.step{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.018),transparent);transition:background .3s}
.step:hover{background:linear-gradient(180deg,rgba(7,135,249,.065),transparent)}
.step:after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.step:hover:after{transform:scaleX(1)}
.step h3{font-size:27px}

/* Conversion */
.conversion{padding-top:105px;padding-bottom:105px;overflow:hidden;position:relative}
.conversion:after{content:"BSK";position:absolute;right:-1vw;bottom:-8vw;font-size:29vw;line-height:.7;font-weight:900;letter-spacing:-.1em;color:rgba(7,26,61,.035);pointer-events:none}
.conversion-grid{position:relative;z-index:2}
.conversion h2{max-width:1000px}

/* Footer */
.footer{padding-top:110px}
.footer-top img{width:225px}

/* subtle interactions */
.js-project-hover{transition:transform .45s var(--ease)}
.js-project-hover.is-hovered{transform:translateY(-4px)}

@keyframes caseScan{0%,100%{transform:translateY(-120px);opacity:0}20%{opacity:.45}55%{opacity:.6}80%{opacity:0}100%{transform:translateY(520px)}}

@media (max-width:1180px){
  .hero-grid{grid-template-columns:1fr .6fr}
  .featured-case{grid-template-columns:1fr}
  .case-info{padding-left:0;padding-top:18px}
  .case-info h3{margin:34px 0 28px;max-width:820px}
  .why-shell{grid-template-columns:1fr}
  .why-copy{min-height:520px}
}

@media (max-width:900px){
  .bsk-system{grid-template-columns:1fr}
  .system-card{min-height:270px}.system-card h3{margin-top:92px}
  .bsk-stats{grid-template-columns:1fr 1fr}.bsk-stats>div:nth-child(2){border-right:0}.bsk-stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .project-duo{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:760px){
  .cursor-orb{display:none}
  .brand img{width:164px}.site-header.scrolled .brand img{width:150px}
  .hero{padding-top:110px}
  .hero-orbit{width:390px;right:-195px;opacity:.48}
  .bsk-stats{grid-template-columns:1fr 1fr}
  .bsk-stats>div{min-height:110px;padding:18px}
  .featured-media{min-height:470px}
  .case-word{font-size:84px}
  .project-duo{margin-top:54px}
  .case-card-media{min-height:410px}
  .case-card-copy{grid-template-columns:56px 1fr}.case-card-copy b{grid-column:2}
  .why-copy{min-height:500px;padding:26px}.why-copy .section-index{top:26px;left:26px}
  .why-grid{grid-template-columns:1fr}.why-grid article{min-height:235px}
  .why-copy h2{font-size:54px}
  .project-filters{gap:6px}
  .project-filters button{padding:7px 10px}
}