:root{
  --blue:#5fa8dc; --blue-deep:#3d85bb; --char:#4a4b4d; --char-deep:#333436;
  --bg:#f7f9fb; --ink:#333436; --muted:#7d7f82; --line:rgba(51,52,54,.14);
  --font-head:"Archivo Expanded","Archivo",sans-serif; --font-body:"Archivo",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scrollbar-color:var(--blue) transparent}
::selection{background:var(--blue);color:#fff}
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--blue);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--blue-deep)}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* LOADER */
.loader{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center}
.loader-panel{position:absolute;top:0;bottom:0;width:50%;background:#fff}
.loader-panel--l{left:0}.loader-panel--r{right:0}
.loader-inner{position:relative;z-index:2;text-align:center}
.loader-mark{width:110px;margin:0 auto}
.loader-bar{width:220px;height:2px;background:var(--line);margin:1.6rem auto .6rem;overflow:hidden}
.loader-fill{width:0%;height:100%;background:var(--blue)}
.loader-count{font-size:.75rem;color:var(--muted);letter-spacing:.2em}

/* CURSOR */
.cursor,.cursor-dot{position:fixed;top:0;left:0;pointer-events:none;z-index:99;border-radius:50%;transform:translate(-50%,-50%)}
.cursor{width:36px;height:36px;border:1px solid rgba(51,52,54,.35);transition:width .25s,height .25s,background .25s;display:flex;align-items:center;justify-content:center}
.cursor.is-hover{width:64px;height:64px;background:rgba(95,168,220,.18);border-color:var(--blue)}
.cursor.has-label{width:58px;height:58px;background:rgba(255,255,255,.85);border-color:var(--blue);backdrop-filter:blur(4px)}
.cursor-label{font-family:var(--font-head);font-size:.55rem;font-weight:700;letter-spacing:.18em;color:var(--blue-deep);opacity:0;transition:opacity .25s}
.cursor.has-label .cursor-label{opacity:1}
.cursor-dot{width:5px;height:5px;background:var(--blue-deep)}
@media (pointer:coarse){.cursor,.cursor-dot{display:none}}

/* GATE FLASH */
.gate-flash{position:fixed;inset:0;z-index:40;pointer-events:none;opacity:0;background:radial-gradient(60% 60% at 50% 50%,rgba(255,255,255,.9),rgba(255,255,255,0) 70%)}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:1rem 4vw;transition:background .4s,backdrop-filter .4s,padding .4s}
.nav.is-scrolled{background:rgba(247,249,251,.8);backdrop-filter:blur(14px);padding:.6rem 4vw;border-bottom:1px solid var(--line)}
.nav-logo img{height:46px;transition:height .4s,transform .3s}
.nav-logo:hover img{transform:scale(1.07)}
.nav.is-scrolled .nav-logo img{height:38px}
.nav-links{display:flex;gap:2rem;align-items:center;font-size:.9rem;font-weight:500}
.nav-links a{position:relative}
.nav-links a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:right;transition:transform .35s cubic-bezier(.65,0,.35,1)}
.nav-links a:not(.nav-cta):hover::after{transform:scaleX(1);transform-origin:left}
.nav-cta{border:1px solid var(--blue);color:var(--blue-deep);padding:.5rem 1.2rem;border-radius:999px;transition:background .3s,color .3s}
.nav-cta:hover{background:var(--blue);color:#fff}

/* 3D CANVAS + STAGE */
#webgl{position:fixed;inset:0;width:100%;height:100%;z-index:0}
.stage{position:relative;height:345vh;z-index:1}
.stage-captions{position:sticky;top:0;height:100svh;pointer-events:none}
.cap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;text-align:left;padding:0 8vw 11vh;opacity:0}
.cap::before{content:"";position:absolute;left:0;right:0;bottom:0;height:46%;background:linear-gradient(to top,rgba(28,36,44,.55),transparent);pointer-events:none}
.cap>*{position:relative}
.cap-0{justify-content:center;align-items:center;text-align:center;padding-bottom:0}
.cap-0::before{background:linear-gradient(to top,rgba(18,26,34,.55),rgba(18,26,34,.12) 55%,transparent)}
.cap-0{opacity:1}
.cap-title .w{display:inline-block}
.cap-kicker{font-size:.8rem;letter-spacing:.3em;text-transform:uppercase;color:var(--blue-deep);margin-bottom:1.2rem;font-weight:600}
.cap-title{font-family:var(--font-head);font-weight:700;font-size:clamp(2.6rem,7.5vw,6rem);line-height:1.05;color:#fff;text-shadow:0 4px 40px rgba(18,26,34,.6),0 2px 10px rgba(18,26,34,.4)}
.cap-title em{font-style:normal;color:var(--blue);text-shadow:0 4px 40px rgba(18,26,34,.55)}
.cap-sub{margin-top:1.4rem;color:var(--char);letter-spacing:.15em;font-weight:500}
.cap h2{font-family:var(--font-head);font-weight:700;font-size:clamp(2.6rem,6.5vw,5.2rem);line-height:1;color:#fff;text-shadow:0 4px 30px rgba(20,26,32,.5);letter-spacing:-.02em;max-width:92vw}
.cap-num{font-family:var(--font-head);font-weight:600;font-size:.85rem;letter-spacing:.35em;color:rgba(255,255,255,.85);margin-bottom:1rem;display:flex;align-items:center;gap:.7rem}
.cap-num::after{content:"";width:44px;height:1.5px;background:rgba(255,255,255,.7)}
.cap p{max-width:520px;margin-top:1rem;color:rgba(255,255,255,.92);font-size:1.02rem;font-weight:500;text-shadow:0 2px 16px rgba(20,26,32,.6)}
.cap-scroll{position:absolute;bottom:2.2rem;left:50%;transform:translateX(-50%);font-size:.65rem;letter-spacing:.3em;color:var(--char);display:flex;align-items:center;gap:.8rem}
.cap-scroll span{width:1px;height:48px;background:var(--char);display:block;animation:scrollPulse 1.8s ease-in-out infinite;transform-origin:top}
@keyframes scrollPulse{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(0);transform-origin:bottom}}

/* GROUND CONTENT (above canvas) — curtain reveal */
.ground,.footer{position:relative;z-index:2;background:var(--bg)}
.ground{box-shadow:0 -30px 60px rgba(51,52,54,.15);border-radius:36px 36px 0 0;overflow:hidden;will-change:transform,border-radius}
#webgl{will-change:filter}

/* MARQUEE */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:1.1rem 0;background:#fff}
.marquee-track{display:flex;white-space:nowrap;font-family:var(--font-head);font-size:1rem;letter-spacing:.25em;color:var(--muted);will-change:transform}

/* SECTIONS */
section{padding:8rem 6vw}
.section-head{margin-bottom:4rem;max-width:900px}
.section-kicker{font-size:.75rem;letter-spacing:.3em;text-transform:uppercase;color:var(--blue-deep);margin-bottom:1rem;font-weight:600;display:flex;align-items:center;gap:.7rem}
.section-kicker::before{content:"";width:34px;height:2px;background:var(--blue);flex:none}
.section-title{font-family:var(--font-head);font-weight:600;font-size:clamp(1.8rem,4.5vw,3.4rem);line-height:1.1;color:var(--char-deep)}
.reveal-line{overflow:hidden}
.reveal-line>span{display:inline-block}
.reveal-words .word{display:inline-block;overflow:hidden;vertical-align:top}
.reveal-words .word>span{display:inline-block}
.section-title .char{display:inline-block;will-change:transform}

/* SERVICES */
.service-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem;perspective:1200px}
.service-card{position:relative;border:1px solid var(--line);border-radius:14px;padding:2.4rem 1.8rem;background:#fff;transition:border-color .3s,box-shadow .3s;transform-style:preserve-3d;will-change:transform;overflow:hidden}
.service-card::before{content:"";position:absolute;inset:0;background:radial-gradient(220px 220px at var(--mx,50%) var(--my,50%),rgba(95,168,220,.16),transparent 70%);opacity:0;transition:opacity .35s;pointer-events:none}
.service-card:hover::before{opacity:1}
.service-card:hover{border-color:var(--blue);box-shadow:0 20px 50px rgba(95,168,220,.18)}
.service-card>*{position:relative}
.service-num{font-family:var(--font-head);color:var(--blue);font-size:.85rem;letter-spacing:.2em;margin-bottom:1.6rem;font-weight:600}
.service-card h3{font-family:var(--font-head);font-size:1.4rem;margin-bottom:.8rem;color:var(--char-deep)}
.service-card p{color:var(--muted);font-size:.92rem}
.service-arrow{margin-top:1.6rem;font-size:1.3rem;color:var(--blue-deep);animation:arrowNudge 2.4s ease-in-out infinite}
.service-card:hover .service-arrow{animation-play-state:paused;transform:translateX(10px);transition:transform .3s}
@keyframes arrowNudge{0%,100%{transform:translateX(0)}50%{transform:translateX(7px)}}
.btn-arrow{display:inline-block;margin-left:.4rem}
.contact-link span{display:inline-block}

/* STATS */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2rem;border-block:1px solid var(--line);background:var(--char-deep);color:#fff}
.stat-num{font-family:var(--font-head);font-weight:700;font-size:clamp(2.4rem,5vw,4rem);color:var(--blue)}
.stat-label{color:rgba(255,255,255,.65);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase}

/* PROJECTS */
.project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.6rem;perspective:1400px}
.project-card{display:block;transform-style:preserve-3d;will-change:transform;border-radius:14px}
.project-card.is-lifted{z-index:3;position:relative}
.project-img{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:14px;background:#e4e9ee;box-shadow:0 10px 30px rgba(51,52,54,.12);transition:box-shadow .4s}
.project-card.is-lifted .project-img{box-shadow:0 40px 80px rgba(51,52,54,.3)}
.project-enter{position:absolute;left:50%;bottom:1rem;transform:translateX(-50%) translateY(20px) scale(.8);opacity:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);color:var(--char-deep);font-family:var(--font-head);font-size:.85rem;font-weight:600;padding:.6rem 1.2rem;border-radius:999px;pointer-events:none;white-space:nowrap;transition:opacity .35s,transform .35s cubic-bezier(.34,1.56,.64,1)}
.project-card.is-lifted .project-enter{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}
.project-enter b{color:var(--blue-deep)}
.project-img img,.project-img .ph{width:100%;height:120%;object-fit:cover;transform:translateY(-8%);transition:filter .4s;will-change:transform}
.project-card:hover .project-img img{filter:saturate(1.1) brightness(1.05)}
.ph-3{background:linear-gradient(140deg,#bcd6ea,#5fa8dc)}
.project-meta{display:flex;justify-content:space-between;align-items:baseline;margin-top:1rem}
.project-meta h3{font-family:var(--font-head);font-size:1.1rem;color:var(--char-deep)}
.project-meta span{color:var(--muted);font-size:.8rem}

/* ABOUT */
.about{background:#fff;border-block:1px solid var(--line)}
.about-inner{max-width:1000px}
.about-text{font-family:var(--font-head);font-weight:500;font-size:clamp(1.4rem,3.2vw,2.4rem);line-height:1.35;margin-bottom:2.4rem;color:var(--char-deep)}
.about-text .word{overflow:hidden}
.about-text .word>span{will-change:transform,opacity}
.btn{display:inline-block;padding:.9rem 2rem;border-radius:999px;font-size:.9rem;letter-spacing:.05em}
.btn-ghost{border:1px solid var(--blue);color:var(--blue-deep)}
.btn-ghost:hover{background:var(--blue);color:#fff}

/* CONTACT */
.contact{text-align:center;padding-block:10rem;background:linear-gradient(180deg,var(--bg),#e8f1f8)}
.contact-title{font-family:var(--font-head);font-size:clamp(2rem,5vw,4rem);margin-bottom:2rem;color:var(--char-deep)}
.contact-title .cw{display:inline-block}
.qmark{display:inline-block;color:var(--blue-deep);transform-origin:50% 80%}
.contact-link{font-family:var(--font-head);font-size:clamp(1.4rem,3vw,2.2rem);color:var(--blue-deep);display:inline-block;border-bottom:2px solid var(--blue);padding-bottom:.4rem}
.contact-link span{display:inline-block;transition:transform .3s}
.contact-link:hover span{transform:translateX(10px)}

/* FOOTER */
.footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding:2rem 6vw;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem}
.footer-social{display:flex;gap:1.4rem}
.footer-social a{position:relative}
.footer-social a::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:var(--blue);transform:scaleX(0);transform-origin:right;transition:transform .35s cubic-bezier(.65,0,.35,1)}
.footer-social a:hover{color:var(--blue-deep)}
.footer-social a:hover::after{transform:scaleX(1);transform-origin:left}

/* REDUCED MOTION */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .loader{display:none}
  .cursor,.cursor-dot{display:none}
  .stage{height:100svh}
  .cap{opacity:0}.cap-0{opacity:1}
}
@media (max-width:640px){
  .nav-links a:not(.nav-cta){display:none}
  section{padding:5rem 6vw}
  .stage{height:270vh}
}