/* berkoo.com — dark editorial portfolio. Original build.
   Satoshi type · Lenis smooth scroll · GSAP scroll reveals. */

:root{
  --bg:#0d0d0f; --bg-2:#141418; --fg:#f4f4f3;
  --muted:#9a9a9c; --muted-2:#6a6a6d;
  --line:rgba(255,255,255,.13); --line-soft:rgba(255,255,255,.07);
  --accent:#0a84ff; --accent-2:#06d9ff;
  --grad:linear-gradient(120deg,#06d9ff 0%,#087cff 48%,#1647d8 100%);
  --maxw:1380px; --pad:clamp(20px,5vw,80px);
  --ease:cubic-bezier(.22,1,.36,1);
  --font:"Satoshi",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{background:var(--bg);color:var(--fg)}
body{font-family:var(--font);line-height:1.5;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
em{font-style:normal}
::selection{background:var(--accent);color:#fff}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}

/* atmosphere */
.glow{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(120% 80% at 50% -10%,rgba(8,124,255,.10),transparent 60%),
    radial-gradient(90% 70% at 110% 110%,rgba(6,217,255,.06),transparent 55%);}

/* custom cursor */
.cursor{position:fixed;top:0;left:0;z-index:9999;width:9px;height:9px;border-radius:50%;
  background:var(--fg);transform:translate(-50%,-50%);pointer-events:none;display:none;
  transition:width .3s var(--ease),height .3s var(--ease),background .3s}
.cursor.ready{display:block}
.cursor.big{width:76px;height:76px;background:var(--fg)}
.cursor .c-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--bg);font-size:12px;font-weight:600;opacity:0;white-space:nowrap}
.cursor.big .c-label{opacity:1}
@media(hover:none){.cursor{display:none!important}}

/* ---- loader ---- */
.loader{position:fixed;inset:0;z-index:9000;background:var(--bg);
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px}
.loader-text{font-size:clamp(20px,3.4vw,34px);font-weight:500;letter-spacing:-.02em;overflow:hidden;display:flex}
.loader-text span{display:inline-block;transform:translateY(110%);white-space:pre}
.loader-count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.05em}
.loader-bar{position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad)}

/* ---- header ---- */
.header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;
  justify-content:space-between;padding:clamp(16px,2.2vw,26px) var(--pad);
  mix-blend-mode:difference}
.brand-logo{height:clamp(26px,2.6vw,34px);width:auto}
.menu-btn{display:inline-flex;align-items:center;gap:11px;background:none;border:none;color:#fff;
  cursor:pointer;font-family:var(--font);font-size:14px;font-weight:500}
.menu-btn .bars{display:inline-flex;flex-direction:column;gap:5px}
.menu-btn .bars span{width:26px;height:1.6px;background:#fff;display:block;transition:transform .4s var(--ease)}
body.menu-open .menu-btn .bars span:nth-child(1){transform:translateY(3.3px) rotate(45deg)}
body.menu-open .menu-btn .bars span:nth-child(2){transform:translateY(-3.3px) rotate(-45deg)}
.menu-label-close{display:none}
body.menu-open .menu-label-open{display:none}
body.menu-open .menu-label-close{display:inline}

/* ---- overlay menu ---- */
.overlay{position:fixed;inset:0;z-index:90;background:var(--bg-2);
  display:flex;flex-direction:column;justify-content:center;padding:14vh var(--pad) 6vh;
  clip-path:inset(0 0 100% 0);transition:clip-path .75s var(--ease);pointer-events:none}
body.menu-open .overlay{clip-path:inset(0 0 0 0);pointer-events:auto}
.overlay-nav{display:flex;flex-direction:column;margin-bottom:auto}
.overlay-nav a{font-size:clamp(40px,8vw,96px);font-weight:500;line-height:1.08;letter-spacing:-.03em;
  padding:4px 0;opacity:0;transform:translateY(40px);transition:opacity .5s var(--ease),transform .6s var(--ease),color .3s}
body.menu-open .overlay-nav a{opacity:1;transform:none}
body.menu-open .overlay-nav a:nth-child(1){transition-delay:.12s}
body.menu-open .overlay-nav a:nth-child(2){transition-delay:.18s}
body.menu-open .overlay-nav a:nth-child(3){transition-delay:.24s}
body.menu-open .overlay-nav a:nth-child(4){transition-delay:.30s}
.overlay-nav a:hover{color:var(--accent-2)}
.overlay-foot{display:flex;flex-wrap:wrap;gap:14px 46px;padding-top:5vh;font-size:15px;color:var(--muted)}
.overlay-foot a{display:inline-flex;align-items:center;gap:9px;transition:color .3s}
.overlay-foot a:hover{color:var(--fg)}

/* lang switch */
.lang{display:inline-flex;gap:7px;font-size:13px;letter-spacing:.04em;align-items:center}
.lang a,.lang button{background:none;border:none;color:var(--muted);cursor:pointer;font-family:var(--font);font-size:13px;padding:0;transition:color .25s}
.lang a.on,.lang button.on{color:#fff}
.lang a:hover{color:#fff}
.lang .sep{color:var(--muted-2)}

/* ---- hero ---- */
.main{position:relative;z-index:1}
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:0 var(--pad);max-width:var(--maxw);margin:0 auto;position:relative}
.hero-eyebrow{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  margin-bottom:26px;display:flex;align-items:center;gap:12px}
.hero-eyebrow::before{content:"";width:34px;height:1px;background:var(--muted)}
.hero h1{font-size:clamp(42px,10vw,170px);font-weight:500;line-height:1.02;letter-spacing:-.04em}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.12em}
.hero h1 .ln i{display:block;font-style:normal;transform:translateY(110%)}
.hero h1 .accent{color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text}
.hero-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:clamp(30px,5vw,60px);
  font-size:15px;color:var(--muted)}
.hero-meta .loc{display:flex;align-items:center;gap:9px}
.hero-meta .loc::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 12px var(--accent-2)}
.hero-scroll{position:absolute;left:var(--pad);bottom:clamp(22px,4vh,40px);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:9px}
.hero-scroll svg{animation:bob 1.8s var(--ease) infinite}
@keyframes bob{0%,100%{transform:translateY(0);opacity:.6}50%{transform:translateY(5px);opacity:1}}

/* section scaffolding */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(80px,14vh,180px) var(--pad)}
.sec-label{font-size:14px;font-weight:500;letter-spacing:.02em;color:var(--muted);margin-bottom:clamp(34px,6vw,64px);
  display:flex;align-items:center;gap:11px}
.sec-label::before{content:"";width:9px;height:9px;background:var(--accent-2)}

/* ---- about ---- */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(34px,6vw,90px);align-items:center}
.about-mark{position:relative;display:flex;align-items:center;justify-content:center;
  aspect-ratio:1/1;border:1px solid var(--line-soft);border-radius:16px;background:
    radial-gradient(circle at 50% 45%,rgba(8,124,255,.14),transparent 60%),var(--bg-2);overflow:hidden}
.about-mark img{width:52%;height:auto;filter:drop-shadow(0 24px 60px rgba(8,124,255,.34));animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.about-body p{font-size:clamp(22px,2.9vw,38px);font-weight:500;line-height:1.3;letter-spacing:-.02em}
.about-body .small{font-size:clamp(15px,1.3vw,17px);font-weight:400;color:var(--muted);line-height:1.6;margin-top:26px;max-width:46ch;letter-spacing:-.01em}

/* ---- projects ---- */
.proj-list{border-top:1px solid var(--line)}
.proj{display:block;border-bottom:1px solid var(--line);position:relative}
.proj-row{display:grid;grid-template-columns:50px 1fr auto auto 44px;align-items:center;gap:20px;
  padding:clamp(24px,3.2vw,44px) 4px;transition:padding-left .45s var(--ease)}
.proj:hover .proj-row{padding-left:20px}
.proj-i{font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.proj-name{font-size:clamp(28px,4.6vw,56px);font-weight:500;letter-spacing:-.03em;line-height:1}
.proj-desc{font-size:15px;color:var(--muted);max-width:28ch}
.proj-year{font-size:14px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.proj-arrow{justify-self:end;font-size:22px;color:var(--muted);transition:transform .4s var(--ease),color .3s}
.proj:hover .proj-arrow{transform:translate(6px,0);color:#fff}
.proj-preview{position:fixed;top:0;left:0;z-index:70;width:340px;height:226px;border-radius:10px;overflow:hidden;
  pointer-events:none;opacity:0;transform:translate(-50%,-50%) scale(.86);transition:opacity .35s var(--ease),transform .5s var(--ease)}
.proj.on .proj-preview{opacity:1;transform:translate(-50%,-50%) scale(1)}
.proj-preview img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);transition:transform .6s var(--ease)}
.proj.on .proj-preview img{transform:scale(1)}
@media(hover:none){.proj-preview{display:none}}

/* ---- services ---- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.svc{background:var(--bg);padding:clamp(28px,3.2vw,46px)}
.svc-n{font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums;margin-bottom:22px}
.svc h3{font-size:clamp(24px,2.8vw,34px);font-weight:500;letter-spacing:-.02em;margin-bottom:14px}
.svc p{font-size:15px;color:var(--muted);line-height:1.6;max-width:40ch}

/* ---- process ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2vw,34px)}
.step{border-top:1px solid var(--line);padding-top:22px}
.step-n{font-size:13px;color:var(--accent-2);margin-bottom:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:clamp(20px,2.2vw,28px);font-weight:500;letter-spacing:-.02em;margin-bottom:10px}
.step p{font-size:14px;color:var(--muted);line-height:1.55}

/* ---- cta / footer ---- */
.cta{text-align:center;padding:clamp(80px,16vh,200px) var(--pad);border-top:1px solid var(--line-soft)}
.cta .small{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.cta a.big{font-size:clamp(44px,12vw,180px);font-weight:500;line-height:1.05;letter-spacing:-.04em;display:inline-block}
.cta a.big em{color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text}
.cta a.big:hover{opacity:.85}
.footer{max-width:var(--maxw);margin:0 auto;padding:clamp(40px,6vw,70px) var(--pad) 34px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.footer h4,.footer-h{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);margin-bottom:14px}
.footer a{color:var(--muted);font-size:15px;transition:color .3s;display:block;margin-bottom:7px}
.footer a:hover{color:#fff}
.ig-link{display:inline-flex;align-items:center;gap:9px}
.footer-logo{height:30px;width:auto;margin-bottom:16px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:clamp(40px,6vw,70px);
  padding-top:24px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--muted-2)}
.footer-bottom .brandline{font-weight:500;color:var(--muted)}

/* reveals */
[data-reveal]{opacity:0;transform:translateY(30px)}
.reveal-line{overflow:hidden}

/* responsive */
@media(max-width:900px){
  .about-grid{grid-template-columns:1fr;gap:34px}
  .proj-row{grid-template-columns:34px 1fr auto;gap:12px}
  .proj-desc,.proj-year{display:none}
  .svc-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
  .hero h1 .ln i,.loader-text span{transform:none}
}