/* ============================================================
   FIFTY LABS - styles
   ============================================================ */
:root{
  --bg:#060606;
  --bg-2:#0e0e0e;
  --fg:#f6f5f2;
  --dim:#8c8c8c;
  --accent:#f6f5f2;          /* mono: accent is white */
  --accent-soft:#bdbdbd;
  --line:rgba(246,245,242,.13);
  --ease:cubic-bezier(.16,1,.3,1);
  --pad:clamp(20px,5vw,80px);
  --font-d:"Space Grotesk",system-ui,sans-serif;
  --font-b:"Inter",system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
html.lenis{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}

body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font-b);
  font-size:16px;
  line-height:1.5;
  overflow-x:hidden;
}
body.is-loading{overflow:hidden;height:100vh}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--fg);color:#000}

/* ---------- Background canvas + grain ---------- */
.bg-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:1}
.grain{
  position:fixed;inset:-50%;z-index:1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 6s steps(6) infinite;
}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-5%,5%)}40%{transform:translate(5%,-5%)}60%{transform:translate(-3%,-3%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

main, .nav, .footer{position:relative;z-index:2}

/* ---------- Loader ---------- */
.loader{position:fixed;inset:0;z-index:1000;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px}
.loader__inner{text-align:center}
.loader__mark{display:flex;justify-content:center}
.loader__img{width:clamp(120px,20vw,240px);height:auto;mix-blend-mode:screen}
.loader__count{font-family:var(--font-d);font-size:clamp(40px,8vw,90px);font-weight:500;line-height:1;margin-top:10px}
.loader__pct{font-size:.4em;color:var(--dim);vertical-align:super}
.loader__label{margin-top:18px;font-size:11px;letter-spacing:.35em;color:var(--dim)}
.loader__bar{position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--line)}
.loader__bar span{display:block;height:100%;width:0;background:var(--fg)}
.loader--done{transform:translateY(-101%);transition:transform 1s var(--ease)}

/* ---------- Cursor ---------- */
.cursor{position:fixed;top:0;left:0;z-index:999;pointer-events:none;mix-blend-mode:difference;will-change:transform}
.cursor__dot{position:absolute;top:0;left:0;width:10px;height:10px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);transition:width .3s var(--ease),height .3s var(--ease)}
.cursor__label{position:absolute;top:0;left:0;transform:translate(-50%,-50%);font-family:var(--font-d);font-size:12px;font-weight:600;letter-spacing:.05em;color:#000;opacity:0;white-space:nowrap}
.cursor.is-active .cursor__dot{width:74px;height:74px;background:var(--fg)}
.cursor.is-active .cursor__label{opacity:1}
@media (hover:none){.cursor{display:none}}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px var(--pad);z-index:100}
.nav__brand{display:flex;align-items:center;gap:12px}
.nav__logo-mark{font-family:var(--font-d);font-weight:700;font-size:24px;color:var(--fg);letter-spacing:-.02em;line-height:1}
.nav__logo-word{font-family:var(--font-d);font-weight:600;font-size:20px;color:var(--fg);letter-spacing:.06em}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{font-family:var(--font-d);font-size:14px;font-weight:500;position:relative}
.nav__links a:not(.nav__cta)::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:currentColor;transition:width .4s var(--ease)}
.nav__links a:not(.nav__cta):hover::after{width:100%}
.nav__cta{border:1px solid var(--fg);border-radius:40px;padding:9px 18px;transition:background .3s var(--ease),color .3s var(--ease)}
.nav__cta:hover{background:var(--fg);color:#000}
.nav__burger{display:none;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;width:32px}
.nav__burger span{height:2px;background:var(--fg);transition:.3s var(--ease)}
.nav.is-open .nav__burger span:first-child{transform:translateY(4px) rotate(45deg)}
.nav.is-open .nav__burger span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ---------- Mobile menu ---------- */
.menu{position:fixed;inset:0;z-index:90;background:var(--bg-2);display:flex;flex-direction:column;justify-content:center;gap:8px;padding:var(--pad);transform:translateY(-100%);transition:transform .7s var(--ease);visibility:hidden}
.menu.is-open{transform:translateY(0);visibility:visible}
.menu a{font-family:var(--font-d);font-size:clamp(38px,11vw,84px);font-weight:600;line-height:1.05}
.menu__meta{margin-top:40px;display:flex;flex-direction:column;gap:6px}
.menu__meta a{font-size:15px;color:var(--dim);font-family:var(--font-b)}

/* ---------- Hero ---------- */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:0 var(--pad);position:relative}
.hero__meta{position:absolute;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;font-size:11px;letter-spacing:.25em;color:var(--dim)}
.hero__meta--l{left:var(--pad)}
.hero__meta--r{right:var(--pad);text-align:right}
.hero__title{font-family:var(--font-d);font-weight:700;line-height:.82;letter-spacing:-.04em;font-size:clamp(72px,22vw,340px);text-align:center}
.hero__title .line{display:block;overflow:hidden}
.hero__title .word{display:inline-block}
.anim .hero__title .word{transform:translateY(110%)}
.word--outline{color:transparent;-webkit-text-stroke:2px var(--fg)}
.hero__sub{max-width:540px;margin:38px auto 0;text-align:center;color:var(--dim);font-size:clamp(15px,1.6vw,19px)}
.hero__scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;font-size:11px;letter-spacing:.2em;color:var(--dim)}
.hero__scroll-line{width:1px;height:50px;background:var(--line);position:relative;overflow:hidden}
.hero__scroll-line::after{content:"";position:absolute;top:-50%;left:0;width:100%;height:50%;background:var(--fg);animation:scrolldown 2s var(--ease) infinite}
@keyframes scrolldown{0%{top:-50%}100%{top:100%}}

/* ---------- Marquee ---------- */
.marquee{padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;white-space:nowrap}
.marquee__track{display:inline-flex;align-items:center;gap:40px;will-change:transform}
.marquee__track span{font-family:var(--font-d);font-size:clamp(34px,6vw,80px);font-weight:600;letter-spacing:-.02em}
.marquee__track i{color:var(--dim);font-style:normal;font-size:clamp(20px,3vw,40px)}
.marquee__track span:nth-child(4n+1){color:transparent;-webkit-text-stroke:1.4px var(--fg)}

/* ---------- Section head ---------- */
.section-head{display:flex;align-items:baseline;gap:18px;padding:0 var(--pad);margin-bottom:60px;flex-wrap:wrap}
.section-head__num{font-family:var(--font-d);color:var(--dim);font-size:14px;font-weight:600}
.section-head__title{font-family:var(--font-d);font-weight:600;font-size:clamp(34px,6vw,72px);letter-spacing:-.03em;perspective:600px}
.section-head__title .char{display:inline-block;will-change:transform}
.section-head__note{color:var(--dim);font-size:14px;margin-left:auto}

/* ---------- Manifesto ---------- */
.manifesto{padding:clamp(100px,16vw,220px) var(--pad)}
.manifesto__text{font-family:var(--font-d);font-weight:600;font-size:clamp(28px,5.2vw,72px);line-height:1.12;letter-spacing:-.02em;max-width:18ch}
.rw{display:inline-block;opacity:1;transition:opacity .5s var(--ease)}
.anim .rw{opacity:.12}
.rw--dim{color:var(--dim)}

/* ---------- Studio ---------- */
.studio{padding:clamp(80px,12vw,180px) 0}
.studio__grid{padding:0 var(--pad);display:flex;flex-direction:column;gap:clamp(50px,7vw,100px)}
.studio__lead{font-family:var(--font-d);font-weight:500;font-size:clamp(24px,3.4vw,46px);line-height:1.25;letter-spacing:-.02em;max-width:20ch}
.studio__cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);max-width:900px}
.studio__cols h4{font-family:var(--font-d);font-size:20px;margin-bottom:12px}
.studio__cols p{color:var(--dim);font-size:16px;line-height:1.6}
.studio__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--line);padding-top:50px}
.stat__num{font-family:var(--font-d);font-size:clamp(48px,7vw,96px);font-weight:700;line-height:1;display:block;color:var(--fg)}
.stat__lbl{color:var(--dim);font-size:14px;margin-top:8px;display:block}

/* ---------- Services ---------- */
.services{padding:clamp(60px,8vw,120px) 0}
.services__list{border-top:1px solid var(--line)}
.service{position:relative;display:grid;grid-template-columns:80px 1fr auto;align-items:center;gap:24px;padding:clamp(28px,4vw,52px) var(--pad);border-bottom:1px solid var(--line);overflow:hidden;cursor:none}
.service::before{content:"";position:absolute;inset:0;background:var(--fg);transform:translateY(101%);transition:transform .5s var(--ease);z-index:0}
.service:hover::before{transform:translateY(0)}
.service>*{position:relative;z-index:1;transition:color .4s var(--ease)}
.service:hover *{color:#000!important}
.service__num{font-family:var(--font-d);color:var(--dim);font-size:14px;font-weight:600}
.service__title{font-family:var(--font-d);font-size:clamp(28px,4.5vw,58px);font-weight:600;letter-spacing:-.02em}
.service__desc{max-width:46ch;color:var(--dim);font-size:15px;grid-column:2;opacity:0;max-height:0;transition:opacity .4s var(--ease),max-height .5s var(--ease),margin .4s var(--ease)}
.service:hover .service__desc{opacity:1;max-height:120px;margin-top:14px}
.service__arrow{font-size:30px;font-family:var(--font-d)}

/* ---------- Approach (3D tilt cards) ---------- */
.approach{padding:clamp(60px,8vw,120px) 0}
.approach__grid{padding:0 var(--pad);display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.6vw,22px);perspective:1200px}
.tilt{transform-style:preserve-3d;will-change:transform;transition:transform .25s var(--ease)}
.tilt__inner{position:relative;background:linear-gradient(160deg,var(--bg-2),#070707);border:1px solid var(--line);border-radius:16px;padding:clamp(24px,2.4vw,34px);min-height:clamp(300px,32vw,420px);display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;transform-style:preserve-3d}
.tilt__inner::before{content:"";position:absolute;inset:0;background:radial-gradient(140% 120% at var(--mx,50%) var(--my,0%),rgba(255,255,255,.10),transparent 55%);opacity:0;transition:opacity .4s var(--ease)}
.tilt:hover .tilt__inner::before{opacity:1}
.tilt__num{position:absolute;top:24px;left:clamp(24px,2.4vw,34px);font-family:var(--font-d);font-size:14px;font-weight:600;color:var(--dim);transform:translateZ(30px)}
.tilt__inner h3{font-family:var(--font-d);font-size:clamp(24px,2.2vw,34px);font-weight:600;letter-spacing:-.02em;margin-bottom:12px;transform:translateZ(40px)}
.tilt__inner p{color:var(--dim);font-size:15px;line-height:1.55;transform:translateZ(20px)}

/* ---------- Contact ---------- */
.contact{padding:clamp(100px,16vw,240px) var(--pad);text-align:center}
.contact__pre{color:var(--dim);font-family:var(--font-d);font-size:clamp(16px,2vw,22px);margin-bottom:24px}
.contact__big{display:inline-block;font-family:var(--font-d);font-weight:700;line-height:.85;letter-spacing:-.04em;font-size:clamp(56px,15vw,220px)}
.contact__big .line{display:block;overflow:hidden}
.contact__big .word{display:inline-block;transition:transform .5s var(--ease)}
.contact__big:hover .word{transform:translateY(-6px)}
.contact__row{display:flex;justify-content:center;gap:40px;margin-top:50px;flex-wrap:wrap}
.contact__link{font-family:var(--font-d);font-size:clamp(16px,2vw,22px);position:relative}
.contact__link::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.contact__link:hover::after{transform:scaleX(1)}

/* ---------- Readability scrims ----------
   Dark vignette behind text-heavy sections. The 3D form still bleeds through
   at the edges (scrim fades to transparent), but contrast holds where text sits.
   isolation:isolate keeps the z-index:-1 layer above the page canvas. */
.manifesto,.studio,.services,.approach,.contact{position:relative;isolation:isolate}
.manifesto::after,.studio::after,.services::after,.approach::after,.contact::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none}
.manifesto::after{background:radial-gradient(ellipse 78% 82% at 28% 50%,rgba(6,6,6,.93),rgba(6,6,6,.55) 55%,transparent 100%)}
.studio::after{background:radial-gradient(ellipse 95% 80% at 38% 48%,rgba(6,6,6,.9),rgba(6,6,6,.5) 60%,transparent 100%)}
.services::after{background:linear-gradient(90deg,rgba(6,6,6,.94),rgba(6,6,6,.72) 55%,rgba(6,6,6,.32))}
.approach::after{background:radial-gradient(ellipse 85% 72% at 50% 26%,rgba(6,6,6,.88),transparent 72%)}
.contact::after{background:radial-gradient(ellipse 72% 74% at 50% 50%,rgba(6,6,6,.92),rgba(6,6,6,.5) 55%,transparent 100%)}

/* ---------- Footer ---------- */
.footer{padding:60px var(--pad) 36px;border-top:1px solid var(--line)}
.footer__top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;padding-bottom:50px}
.footer__logo{font-family:var(--font-d);font-weight:700;font-size:clamp(28px,5vw,56px);letter-spacing:-.02em}
.footer__nav{display:flex;gap:28px;font-family:var(--font-d);font-size:15px}
.footer__nav a:hover{color:var(--dim)}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:var(--dim);font-size:13px;border-top:1px solid var(--line);padding-top:24px}

/* ---------- Reveal util ---------- */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .nav{mix-blend-mode:normal}
  .hero__meta{display:none}
  .approach__grid{grid-template-columns:1fr 1fr}
  .studio__cols{grid-template-columns:1fr}
  .studio__stats{grid-template-columns:1fr;gap:36px}
  .service{grid-template-columns:50px 1fr auto;gap:14px}
  .service__desc{grid-column:1/-1}
}
@media (max-width:560px){
  .approach__grid{grid-template-columns:1fr}
  .tilt__inner{min-height:240px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
}