/* ================= Tokens ================= */
:root{
  --paper:#fafbfe; --paper-2:#f1f4fb;
  --ink:#141d38; --navy:#1a2547; --navy-2:#212e57;
  --blue:#3f6db5; --sky:#8fb0e8; --muted:#5c6884;
  --line:#e1e7f3; --glow:#c6d6f2;
  --tt:#4f6ef7; --icss1:#26b3e8; --icss2:#e83e8c; --icss3:#f5a623;
  --air:#f0b429; --aero:#e8506e; --edu:#2fbfa5;
  --ez:cubic-bezier(.215,.61,.355,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
section[id],div[id],[id="work"]{scroll-margin-top:5.5rem}
body{background:var(--paper);color:var(--ink);font-family:'Sora',sans-serif;overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none}
img{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.shell{max-width:76rem;margin-inline:auto;padding-inline:1.25rem}
@media(min-width:640px){.shell{padding-inline:2rem}}
.dotted{background-image:radial-gradient(rgba(63,109,181,.14) 1px,transparent 1.4px);background-size:22px 22px}
.script{font-family:'Sacramento',cursive;font-weight:400}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue)}
.eyebrow::before{content:"";width:1.5rem;height:1px;background:var(--blue);opacity:.6}
.eyebrow.on-dark{color:var(--sky)}
.eyebrow.on-dark::before{background:var(--sky)}
h1,h2,h3{font-weight:600;letter-spacing:-.02em;line-height:1.12}
.lead{color:var(--muted);font-size:1rem;line-height:1.75}
.rv{opacity:0;transform:translateY(22px);transition:opacity .85s var(--ez),transform .85s var(--ez);transition-delay:var(--d,0ms)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}

/* ================= Header ================= */
.site-header{position:fixed;inset-inline:0;top:0;z-index:60;transition:background .35s,box-shadow .35s}
.site-header.scrolled{background:rgba(250,251,254,.85);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:.9rem}
.wordmark{display:flex;flex-direction:column;line-height:1}
.wordmark .script{font-size:2rem;color:var(--blue);transform:rotate(-4deg)}
.wordmark small{font-size:.55rem;letter-spacing:.42em;text-transform:uppercase;color:var(--muted);margin-top:-.2rem;padding-left:1.4rem}
.main-nav{display:none;gap:2rem;font-size:.85rem;font-weight:500}
@media(min-width:900px){.main-nav{display:flex}}
.main-nav a{color:var(--muted);transition:color .25s}
.main-nav a:hover{color:var(--ink)}
.main-nav a.active{color:var(--ink);font-weight:600}
.header-cta{display:none}
@media(min-width:640px){.header-cta{display:inline-flex}}
.menu-toggle{display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:.75rem;border:1px solid var(--line);background:rgba(255,255,255,.6)}
@media(min-width:900px){.menu-toggle{display:none}}
.mobile-nav{position:fixed;inset:0;z-index:70;background:var(--navy);color:#fff;display:flex;flex-direction:column;padding:1.25rem;opacity:0;pointer-events:none;transition:opacity .35s var(--ez)}
.mobile-nav.open{opacity:1;pointer-events:auto}
.mobile-nav ul{flex:1;display:flex;flex-direction:column;justify-content:center;gap:.4rem}
.mobile-nav a{font-size:1.8rem;font-weight:600;color:rgba(255,255,255,.8);display:block;padding-block:.45rem}
.mn-top{display:flex;justify-content:space-between;align-items:center}
.mn-close{border:1px solid rgba(255,255,255,.25);border-radius:.75rem;padding:.5rem 1rem;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.8)}

/* ================= Buttons ================= */
.btn{display:inline-flex;align-items:center;gap:.6rem;border-radius:999px;padding:.85rem 1.6rem;font-size:.85rem;font-weight:600;transition:transform .3s var(--ez),box-shadow .3s;white-space:nowrap}
.btn svg{width:.95em;height:.95em;transition:transform .3s var(--ez)}
.btn:hover{transform:translateY(-2px)}
.btn:hover svg{transform:translateX(3px)}
.btn-ink{background:var(--ink);color:#fff;box-shadow:0 8px 24px -12px rgba(20,29,56,.5)}
.btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.6);color:var(--ink)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 24px -12px rgba(63,109,181,.6)}
.btn-light{background:#fff;color:var(--ink)}

/* ================= Hero ================= */
.hero{position:relative;overflow:hidden;padding-top:9rem;padding-bottom:4rem}
@media(min-width:900px){.hero{min-height:92vh;display:flex;flex-direction:column;justify-content:center;padding-bottom:5rem}}
.hero-glow{position:absolute;pointer-events:none;width:56rem;height:56rem;left:-18rem;top:-14rem;background:radial-gradient(closest-side,var(--glow),transparent 70%);opacity:.8}
.hero-glow.two{left:auto;right:-24rem;top:auto;bottom:-28rem;opacity:.5}
.hero-in{position:relative}
.hero h1{font-size:clamp(2.1rem,6.2vw,4.3rem);max-width:17ch;margin-top:1.4rem}
.hero h1 .quiet{color:var(--muted);font-weight:300}
.hero h1 .accent{color:var(--blue)}
.hero-sub{margin-top:1.6rem;max-width:36rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.2rem}
.hero-stats{display:flex;flex-wrap:wrap;gap:2.2rem;margin-top:3.5rem;border-top:1px solid var(--line);padding-top:1.6rem}
.hstat b{display:block;font-size:1.6rem;font-weight:700}
.hstat span{font-size:.72rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}

/* ================= Sections ================= */
section{padding-block:5rem}
@media(min-width:900px){section{padding-block:7rem}}
.sec-head{max-width:44rem;margin-bottom:3rem}
.sec-head h2{font-size:clamp(1.7rem,4vw,2.6rem);margin-top:1rem}
.sec-head p{margin-top:1rem}

/* ================= About ================= */
.about-grid{display:grid;gap:3rem}
@media(min-width:900px){.about-grid{grid-template-columns:5fr 7fr;gap:5rem;align-items:start}}
.emblem-mark{width:100%;max-width:20rem;aspect-ratio:1.2572/1;color:var(--blue)}
.about-copy h2{font-size:clamp(1.6rem,3.6vw,2.3rem)}
.about-copy .manifesto{color:var(--blue)}
.about-copy p{margin-top:1.4rem}
.group-row{display:grid;gap:.8rem;margin-top:2.4rem}
@media(min-width:640px){.group-row{grid-template-columns:repeat(3,1fr)}}
.gcard{border:1px solid var(--line);border-radius:1.1rem;background:#fff;padding:1.1rem 1.2rem}
.gcard b{display:block;font-size:.9rem}
.gcard.active{border-color:var(--blue);box-shadow:0 12px 28px -20px rgba(63,109,181,.5)}
.gcard span{font-size:.75rem;color:var(--muted)}

/* ================= 3D Case Carousel ================= */
.cs-track{position:relative;height:520vh}
.cs-sticky{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;perspective:1400px}
.cs-bg{position:absolute;inset:0;pointer-events:none}
.cs-bg::before{content:"";position:absolute;width:46rem;height:46rem;left:50%;top:50%;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(143,176,232,.28),transparent 70%)}
.cs-head{position:relative;text-align:center;margin-bottom:1rem;padding-inline:1.25rem}
.cs-head h2{font-size:clamp(1.6rem,3.6vw,2.4rem);margin-top:.8rem}
.cs-stage{position:relative;flex:none;height:min(30rem,58vh);transform-style:preserve-3d}
.cs-card{position:absolute;left:50%;top:50%;width:min(34rem,86vw);transform:translate(-50%,-50%);border-radius:1.6rem;padding:1.8rem;background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.8);box-shadow:0 30px 60px -30px rgba(20,29,56,.35),inset 0 1px 0 rgba(255,255,255,.9);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);will-change:transform,opacity,border-radius;transition:border-radius .6s var(--ez)}
@media(min-width:640px){.cs-card{padding:2.2rem}}
.cs-card.is-active{border-radius:2.4rem 1.2rem 2.4rem 1.2rem}
.cs-meta{display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:.66rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.cs-meta .cs-num{color:var(--blue)}
.cs-card h3{font-size:clamp(1.25rem,3vw,1.7rem);margin-top:1.2rem}
.cs-card>p{margin-top:.7rem;font-size:.88rem;color:var(--muted);line-height:1.7}
.cs-arc{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1.1rem}
.cs-chip{font-size:.68rem;font-weight:500;border:1px solid rgba(63,109,181,.3);background:rgba(255,255,255,.5);border-radius:999px;padding:.32rem .75rem;color:var(--muted)}
.cs-play{display:inline-flex;align-items:center;gap:.6rem;margin-top:1.3rem;font-size:.8rem;font-weight:600;color:var(--blue)}
.cs-play .pbtn{width:2.6rem;height:2.6rem;border-radius:999px;display:grid;place-items:center;background:var(--blue);color:#fff;box-shadow:0 10px 24px -10px rgba(63,109,181,.7);transition:transform .3s var(--ez)}
.cs-play:hover .pbtn{transform:scale(1.1)}
.cs-progress{position:relative;display:flex;justify-content:center;gap:.45rem;margin-top:1.6rem}
.cs-dot{width:.45rem;height:.45rem;border-radius:999px;background:rgba(20,29,56,.18);transition:all .3s}
.cs-dot.on{width:1.4rem;background:var(--blue)}
.cs-hint{position:relative;text-align:center;margin-top:.9rem;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
/* mobile: horizontal snap fallback */
@media(max-width:767px){
  .cs-track{height:auto;padding-block:4rem}
  .cs-sticky{position:relative;height:auto;overflow:visible;display:block;perspective:none}
  .cs-stage{height:auto;display:flex;gap:1rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:1.2rem 1.25rem 1.6rem;-webkit-overflow-scrolling:touch}
  .cs-card{position:relative;left:auto;top:auto;transform:none!important;opacity:1!important;flex:0 0 86%;scroll-snap-align:center}
  .cs-progress,.cs-hint{display:none}
}

/* ================= Platforms (navy) ================= */
.platforms{background:var(--navy);color:#fff;border-radius:2rem;position:relative;overflow:hidden}
.platforms::before{content:"";position:absolute;width:44rem;height:44rem;right:-16rem;top:-18rem;background:radial-gradient(closest-side,rgba(143,176,232,.22),transparent 70%)}
.platforms .shell{position:relative}
.platforms .sec-head p{color:rgba(255,255,255,.6)}
.plat-grid{display:grid;gap:1rem}
@media(min-width:640px){.plat-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.plat-grid{grid-template-columns:repeat(3,1fr)}}
.plat-card{position:relative;border-radius:1.4rem;background:var(--navy-2);border:1px solid rgba(255,255,255,.08);padding:1.7rem;overflow:hidden;transition:transform .35s var(--ez),border-color .35s}
.plat-card:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.22)}
.plat-card::after{content:"";position:absolute;inset-inline:0;top:0;height:3px;background:var(--pc,var(--sky))}
.plat-card.icss::after{background:linear-gradient(90deg,var(--icss1),var(--icss2),var(--icss3))}
.plat-name{font-size:1.15rem}
.plat-tag{font-size:.65rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.45);margin-top:.35rem}
.plat-card p{margin-top:.9rem;font-size:.85rem;color:rgba(255,255,255,.62);line-height:1.7}
.plat-tm{\1}
.plat-visit{display:inline-block;margin-top:1rem;font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--sky)}

/* ================= Capabilities ================= */
.services{background:var(--paper-2);border-radius:2rem}
.cap-grid{display:grid;gap:1rem}
@media(min-width:640px){.cap-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.cap-grid{grid-template-columns:repeat(3,1fr)}}
.cap-card{position:relative;border-radius:1.3rem;background:#fff;border:1px solid var(--line);padding:1.6rem;overflow:hidden;transition:transform .35s var(--ez),box-shadow .35s}
.cap-card:hover{transform:translateY(-5px);box-shadow:0 22px 44px -30px rgba(20,29,56,.4)}
.cap-card::after{content:"";position:absolute;inset-inline:0;top:0;height:3px;background:var(--cc,var(--blue))}
.cap-idx{font-size:.75rem;font-weight:700;color:var(--cc,var(--blue))}
.cap-card h3{font-size:1.05rem;margin-top:.5rem}
.cap-card p{margin-top:.7rem;font-size:.85rem;color:var(--muted);line-height:1.7}

/* ================= Recent engagements ================= */
.recent-list{columns:1;column-gap:2.5rem;margin-top:2rem}
@media(min-width:700px){.recent-list{columns:2}}
.recent-list li{break-inside:avoid;display:flex;gap:.8rem;align-items:baseline;padding-block:.55rem;border-bottom:1px solid var(--line);font-size:.85rem}
.recent-list li b{font-weight:500}
.recent-list li span{margin-left:auto;flex:none;font-size:.7rem;color:var(--muted)}
.recent-list li::before{content:"";flex:none;width:.35rem;height:.35rem;border-radius:999px;background:var(--blue);transform:translateY(-.1rem)}

/* ================= Logo wall ================= */
.logo-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem;margin-top:2.5rem}
@media(min-width:640px){.logo-wall{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.logo-wall{grid-template-columns:repeat(5,1fr)}}
.logo-item{display:grid;place-items:center;height:5.2rem;border:1px solid var(--line);border-radius:1rem;background:#fff;padding:1rem;transition:transform .3s var(--ez),border-color .3s,box-shadow .3s}
.logo-item:hover{transform:translateY(-3px);border-color:rgba(63,109,181,.45);box-shadow:0 16px 32px -24px rgba(20,29,56,.4)}
.logo-item img{max-height:2rem;max-width:70%;filter:grayscale(1) opacity(.55);transition:filter .35s}
.logo-item:hover img{filter:grayscale(0) opacity(1)}
.logo-text{font-size:.95rem;font-weight:600;letter-spacing:.02em;color:#9aa3b8;transition:color .35s}
.logo-item:hover .logo-text{color:var(--bc,var(--ink))}
.logo-note{margin-top:1.2rem;font-size:.75rem;color:var(--muted)}

/* ================= Contact ================= */
.contact-panel{background:var(--navy);color:#fff;border-radius:2rem;position:relative;overflow:hidden}
.contact-panel::before{content:"";position:absolute;width:40rem;height:40rem;left:-14rem;bottom:-20rem;background:radial-gradient(closest-side,rgba(63,109,181,.35),transparent 70%)}
.contact-grid{position:relative;display:grid;gap:3rem;padding-block:4.5rem}
@media(min-width:900px){.contact-grid{grid-template-columns:1fr 1fr;gap:5rem}}
.contact-copy h2{font-size:clamp(1.8rem,4vw,2.8rem)}
.contact-copy p{margin-top:1.2rem;color:rgba(255,255,255,.65)}
.contact-line{margin-top:2rem;font-size:.9rem;color:rgba(255,255,255,.75);line-height:1.9}
.contact-line a{color:var(--sky);border-bottom:1px solid rgba(143,176,232,.4)}
.cform{display:flex;flex-direction:column;gap:1rem}
.cform label{display:flex;flex-direction:column;gap:.4rem;font-size:.68rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.cform input,.cform textarea{font:inherit;color:#fff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:.8rem;padding:.85rem 1rem;font-size:.9rem;outline:none;transition:border-color .3s,background .3s}
.cform input::placeholder,.cform textarea::placeholder{color:rgba(255,255,255,.35)}
.cform input:focus,.cform textarea:focus{border-color:var(--sky);background:rgba(255,255,255,.1)}
.cform textarea{resize:none}
.cform .btn{align-self:flex-start;margin-top:.4rem}
.form-ok{display:none;padding:1rem 1.2rem;border-radius:.8rem;background:rgba(47,191,165,.15);border:1px solid rgba(47,191,165,.4);font-size:.85rem;color:#bff0e5}
.cform.done .form-ok{display:block}

/* ================= Video modal ================= */
.vmodal{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:1rem;background:rgba(10,15,32,.75);backdrop-filter:blur(10px);opacity:0;pointer-events:none;transition:opacity .35s var(--ez)}
.vmodal.open{opacity:1;pointer-events:auto}
.vmodal-in{position:relative;width:min(56rem,94vw);aspect-ratio:16/9;border-radius:1.2rem;overflow:hidden;background:#0a0f20;box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}
.vmodal-in iframe,.vmodal-in video{width:100%;height:100%;border:0;display:block}
.vmodal-empty{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:rgba(255,255,255,.7);font-size:.9rem;padding:2rem}
.vmodal-x{position:absolute;right:-.2rem;top:-3rem;color:#fff;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid rgba(255,255,255,.3);border-radius:.7rem;padding:.45rem .9rem}

/* ================= Footer ================= */
.site-footer{padding:3.5rem 0 2.5rem;color:var(--muted);font-size:.8rem}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem;align-items:flex-end}
.foot-brand .script{font-size:2.2rem;color:var(--blue);display:inline-block;transform:rotate(-4deg)}
.foot-brand p{margin-top:.4rem;max-width:24rem}
.foot-meta{text-align:right;line-height:1.9}
.foot-meta a{color:var(--blue)}
.foot-legal{margin-top:2.5rem;border-top:1px solid var(--line);padding-top:1.4rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between}

/* ================= v3: brand marks, hero visual, big stats, gallery ================= */
.lg-word{height:2.1rem;width:auto;aspect-ratio:1.7863/1;display:block;color:var(--blue)}
.lg-word.on-dark{color:#fff;height:1.9rem}
.foot-alpha{display:flex;align-items:center;gap:.55rem;margin-top:1.2rem;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.foot-alpha svg{width:1.2rem;height:1rem;color:#0071bc;flex:none}
.hero-grid{display:grid;gap:3.5rem}
@media(min-width:960px){.hero-grid{grid-template-columns:7fr 5fr;align-items:center;gap:4rem}}
.hero-visual{position:relative;height:22rem;max-width:26rem}
@media(min-width:960px){.hero-visual{height:28rem;max-width:none}}
.hero-emblem{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:115%;aspect-ratio:1.2572/1;color:rgba(63,109,181,.12);pointer-events:none}
.ph{position:relative;overflow:hidden;margin:0;border-radius:1.2rem;background:linear-gradient(135deg,#e9effc,#d2ddf3);border:1px solid rgba(255,255,255,.95);box-shadow:0 26px 52px -26px rgba(20,29,56,.4);display:grid;place-items:center}
.ph figcaption{font-size:.6rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(63,109,181,.6);border:1px dashed rgba(63,109,181,.45);border-radius:.6rem;padding:.4rem .75rem;background:rgba(255,255,255,.6)}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph.has-img figcaption{display:none}
.hero-visual .ph{position:absolute;--r:0deg;transform:rotate(var(--r));animation:phFloat 7s ease-in-out infinite}
.ph-a{width:60%;aspect-ratio:4/5;left:0;top:5%;--r:-5deg;z-index:2}
.ph-b{width:54%;aspect-ratio:1/1;right:0;top:0;--r:4deg;animation-delay:1.2s}
.ph-c{width:56%;aspect-ratio:4/3;right:5%;bottom:0;--r:7deg;animation-delay:2.2s;z-index:3}
@keyframes phFloat{0%,100%{transform:rotate(var(--r)) translateY(0)}50%{transform:rotate(var(--r)) translateY(-12px)}}
.hero-stats.big{gap:2.5rem 3.5rem;margin-top:3.4rem}
.hero-stats.big b{font-size:clamp(2.7rem,6.5vw,4.4rem);font-weight:700;letter-spacing:-.03em;line-height:1}
.hero-stats.big b .plus{color:var(--blue)}
.hero-stats.big .hstat span:last-child{display:block;margin-top:.5rem}
.gallery{overflow:hidden;padding-block:0 5rem}
.gal-head{margin-bottom:1.4rem}
.gal-track{display:flex;gap:1rem;width:max-content;padding-inline:1rem;animation:galMove 45s linear infinite}
.gallery:hover .gal-track{animation-play-state:paused}
.gal-track .ph{flex:none;width:17rem;aspect-ratio:4/3}
@keyframes galMove{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.gal-track{animation:none}.hero-visual .ph{animation:none}}