/* =========================================================
   ARP CREATIVE — Stylesheet
   Editorial Dark × Acid Accent · Mobile-first
   ========================================================= */

:root{
  --bg:#0E0E10;
  --bg-2:#141417;
  --surface:#16161A;
  --line:rgba(242,239,233,.10);
  --line-strong:rgba(242,239,233,.22);
  --text:#F2EFE9;
  --muted:#9A978F;
  --muted-2:#6E6B65;
  --accent:#C9F24D;        /* acid lime */
  --accent-ink:#0E0E10;
  --warn:#FF4D2E;          /* single warning orange */
  --maxw:1400px;
  --pad:clamp(20px,5vw,80px);
  --ease:cubic-bezier(.16,1,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-weight:400;
  line-height:1.55;
  letter-spacing:-.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:var(--accent-ink)}

/* ---------- Custom cursor ---------- */
.cursor,.cursor-dot{position:fixed;top:0;left:0;z-index:9999;pointer-events:none;border-radius:50%;mix-blend-mode:difference}
.cursor{width:34px;height:34px;border:1px solid #fff;translate:-50% -50%;transition:width .3s var(--ease),height .3s var(--ease),background .3s,opacity .3s}
.cursor-dot{width:5px;height:5px;background:#fff;translate:-50% -50%}
.cursor.is-hover{width:60px;height:60px;background:#fff;mix-blend-mode:difference}
@media (hover:none),(pointer:coarse){.cursor,.cursor-dot{display:none}}

/* ---------- Loader ---------- */
.loader{position:fixed;inset:0;z-index:10000;background:var(--bg);display:flex;align-items:center;justify-content:center;transition:opacity .6s var(--ease),visibility .6s}
.loader.is-done{opacity:0;visibility:hidden}
.loader__inner{display:flex;flex-direction:column;align-items:center;gap:18px}
.loader__mark{font-size:clamp(40px,9vw,90px);font-weight:800;letter-spacing:-.04em}
.loader__bar{width:160px;height:2px;background:var(--line);overflow:hidden}
.loader__bar i{display:block;height:100%;width:0;background:var(--accent);animation:load 1.1s var(--ease) forwards}
@keyframes load{to{width:100%}}

/* ---------- Grain ---------- */
.grain{position:fixed;inset:0;z-index:9000;pointer-events:none;opacity:.04;
  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='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:8000;display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);transition:background .4s,backdrop-filter .4s,padding .4s;border-bottom:1px solid transparent}
.nav.is-scrolled{background:rgba(14,14,16,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:12px var(--pad)}
.nav__brand{display:flex;align-items:baseline;gap:8px;font-weight:800;letter-spacing:-.03em}
.nav__logo{font-size:22px}
.nav__logo-sub{font-size:10px;letter-spacing:.32em;color:var(--muted);font-weight:600}
.nav__links{display:flex;align-items:center;gap:clamp(14px,2.4vw,34px)}
.nav__links a{font-size:14px;color:var(--muted);transition:color .3s;position:relative}
.nav__links a:hover{color:var(--text)}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-6px;height:1px;width:0;background:var(--accent);transition:width .3s var(--ease)}
.nav__links a:hover::after{width:100%}
.nav__cta{border:1px solid var(--line-strong);padding:8px 16px;border-radius:100px;color:var(--text)!important}
.nav__cta:hover{border-color:var(--accent);color:var(--accent)!important}
.nav__cta::after{display:none}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__burger span{width:24px;height:2px;background:var(--text);transition:.3s}
.nav__burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.is-open span:nth-child(2){transform:translateY(-0px) rotate(-45deg)}

.menu{position:fixed;inset:0;z-index:7900;background:var(--bg);display:flex;flex-direction:column;justify-content:center;gap:8px;padding:var(--pad);
  transform:translateY(-100%);transition:transform .6s var(--ease);visibility:hidden}
.menu.is-open{transform:translateY(0);visibility:visible}
.menu a{font-size:clamp(34px,11vw,64px);font-weight:800;letter-spacing:-.03em;padding:6px 0;border-bottom:1px solid var(--line)}
.menu a:active{color:var(--accent)}

/* ---------- Sections ---------- */
.section{padding:clamp(80px,12vw,160px) var(--pad);max-width:var(--maxw);margin:0 auto}
.section__head{margin-bottom:clamp(40px,6vw,80px)}
.section__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section__index{display:inline-block;font-size:12px;letter-spacing:.28em;color:var(--accent);margin-bottom:20px;font-weight:600}
.section__title{font-size:clamp(30px,6vw,68px);font-weight:800;letter-spacing:-.04em;line-height:1.02}
.section__title em{font-style:normal;color:var(--accent)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:120px var(--pad) 60px;overflow:hidden}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero__grid{position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:clamp(40px,7vw,90px) clamp(40px,7vw,90px);
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%);opacity:.5}
.hero__inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;width:100%}
.hero__kicker{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.26em;color:var(--muted);margin-bottom:28px;font-weight:600}
.hero__kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent)}
.hero__title{font-size:clamp(44px,11vw,150px);font-weight:800;letter-spacing:-.05em;line-height:.92;text-transform:uppercase}
.hero__title .line{display:block;overflow:hidden}
.hero__title .line--accent em{font-style:normal;color:var(--accent)}
.hero__foot{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;margin-top:clamp(36px,5vw,64px)}
.hero__sub{font-size:clamp(15px,1.5vw,18px);color:var(--muted);max-width:48ch;line-height:1.7}
.hero__sub strong{color:var(--text);font-weight:600}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:28px;left:50%;translate:-50% 0;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;font-size:10px;letter-spacing:.3em;color:var(--muted)}
.hero__scroll i{width:1px;height:46px;background:linear-gradient(var(--accent),transparent);animation:scrolldn 1.8s var(--ease) infinite}
@keyframes scrolldn{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:100px;font-size:15px;font-weight:600;transition:transform .3s var(--ease),background .3s,color .3s,border-color .3s;will-change:transform}
.btn--primary{background:var(--accent);color:var(--accent-ink)}
.btn--primary:hover{background:#d8ff5e}
.btn--ghost{border:1px solid var(--line-strong);color:var(--text)}
.btn--ghost:hover{border-color:var(--text)}
.btn__arrow{transition:transform .3s var(--ease)}
.btn:hover .btn__arrow{transform:translateX(5px)}

/* ---------- Marquee ---------- */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;overflow:hidden;white-space:nowrap;background:var(--bg-2)}
.marquee__track{display:inline-flex;align-items:center;gap:34px;will-change:transform;animation:marq 38s linear infinite;font-size:clamp(20px,3vw,34px);font-weight:800;letter-spacing:-.02em;text-transform:uppercase}
.marquee__track span{color:var(--text)}
.marquee__track .sep{color:var(--accent);font-size:.6em}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- About ---------- */
.about__grid{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(30px,5vw,70px);align-items:start}
.about__lead p{font-size:clamp(18px,2.2vw,26px);line-height:1.55;margin-bottom:22px;letter-spacing:-.02em}
.about__lead strong{color:var(--accent);font-weight:600}
.about__stats{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.about__stats li{background:var(--bg);padding:26px 22px;display:flex;flex-direction:column;gap:6px}
.about__stats b{font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-.04em;color:var(--accent);line-height:1}
.about__stats span{font-size:13px;color:var(--muted)}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.bento__cell{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px;overflow:hidden;transition:border-color .4s,transform .4s var(--ease),background .4s;min-height:230px;display:flex;flex-direction:column;justify-content:space-between}
.bento__cell::before{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(201,242,77,.10),transparent 45%);opacity:0;transition:opacity .4s}
.bento__cell:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.bento__cell:hover::before{opacity:1}
.bento__cell--lg{grid-column:span 2;grid-row:span 2;background:linear-gradient(135deg,var(--surface),#1b1d16)}
.bento__cell--wide{grid-column:span 2}
.bento__no{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.1em}
.bento__cell h3{font-size:clamp(20px,2.4vw,30px);font-weight:800;letter-spacing:-.03em;margin:auto 0 14px;line-height:1.1}
.bento__cell h3 i{display:block;font-style:normal;font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.04em;margin-top:8px}
.bento__cell p{font-size:15px;color:var(--muted);line-height:1.6;max-width:46ch}
.bento__cell--lg p{font-size:16px;max-width:42ch}
.bento__tag{font-size:12px;color:var(--muted-2);letter-spacing:.04em;border-top:1px solid var(--line);padding-top:14px;margin-top:18px}

/* ---------- Selected Works (horizontal) ---------- */
.work{padding-left:0;padding-right:0;max-width:none}
.work .section__head{padding:0 var(--pad)}
.work__hint{font-size:13px;color:var(--muted);white-space:nowrap}
.work__viewport{overflow:hidden}
.work__track{display:flex;gap:18px;padding:10px var(--pad) 30px;will-change:transform}
.work__item{flex:0 0 clamp(260px,62vw,440px);position:relative}
.work__media{position:relative;aspect-ratio:3/4;overflow:hidden;border-radius:14px;background:var(--surface);border:1px solid var(--line)}
.work__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease),filter .6s;filter:saturate(.9)}
.work__item:hover .work__media img{transform:scale(1.06);filter:saturate(1.05)}
.work__media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(14,14,16,.7),transparent 55%);opacity:.7}
.work__item figcaption{position:absolute;left:18px;bottom:16px;right:18px;z-index:2;display:flex;flex-direction:column;gap:2px}
.work__item figcaption b{font-size:16px;font-weight:800;letter-spacing:.02em}
.work__item figcaption span{font-size:12.5px;color:var(--muted)}

/* ---------- Clients ---------- */
.clients__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.clients__col{background:var(--bg);padding:34px clamp(22px,3vw,40px)}
.clients__col--full{grid-column:1/-1}
.clients__col h4{font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
.clients__col h4 i{font-style:normal;color:var(--accent);font-weight:500;font-size:12px;margin-left:8px;letter-spacing:.04em}
.clients__col p{font-size:clamp(14px,1.5vw,17px);color:var(--muted);line-height:1.8;letter-spacing:-.01em}

/* ---------- Team ---------- */
.team__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.team__card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;min-height:170px;display:flex;flex-direction:column;justify-content:flex-end;transition:border-color .4s,transform .4s var(--ease),background .4s}
.team__card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.team__card--lead{grid-column:span 2;background:linear-gradient(135deg,#1b1d16,var(--surface))}
.team__role{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:auto}
.team__card h3{font-size:clamp(20px,2.4vw,30px);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-top:14px}
.team__card p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.6;max-width:40ch}

/* ---------- Contact ---------- */
.contact{padding:clamp(100px,16vw,200px) var(--pad);text-align:center;max-width:var(--maxw);margin:0 auto}
.contact__inner{display:flex;flex-direction:column;align-items:center;gap:26px}
.contact .section__index{margin-bottom:0}
.contact__title{font-size:clamp(36px,8vw,96px);font-weight:800;letter-spacing:-.05em;line-height:.98;text-transform:uppercase}
.contact__title em{font-style:normal;color:var(--accent)}
.contact__mail{font-size:clamp(22px,4vw,44px);font-weight:700;letter-spacing:-.03em;border-bottom:2px solid var(--accent);padding-bottom:4px;transition:color .3s}
.contact__mail:hover{color:var(--accent)}
.contact__row{display:flex;gap:clamp(24px,5vw,70px);flex-wrap:wrap;justify-content:center;margin-top:14px}
.contact__row div{display:flex;flex-direction:column;gap:6px}
.contact__row span{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2)}
.contact__row b{font-size:clamp(16px,2vw,20px);font-weight:600}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);padding:40px var(--pad);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;max-width:var(--maxw);margin:0 auto}
.footer__brand{font-weight:800;font-size:20px;letter-spacing:-.03em}
.footer__brand span{color:var(--accent);margin-left:6px;font-size:13px;letter-spacing:.2em}
.footer p{font-size:12.5px;color:var(--muted-2);flex:1;min-width:220px;text-align:center}
.footer__top{font-size:13px;color:var(--muted);transition:color .3s}
.footer__top:hover{color:var(--accent)}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--d,0)*90ms)}
[data-reveal].is-in{opacity:1;transform:none}
[data-scramble]{}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .about__grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento__cell--lg{grid-column:span 2;grid-row:auto}
  .bento__cell--wide{grid-column:span 2}
  .team__grid{grid-template-columns:repeat(2,1fr)}
  .team__card--lead{grid-column:span 2}
}
@media (max-width:680px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .bento{grid-template-columns:1fr}
  .bento__cell--lg,.bento__cell--wide{grid-column:auto}
  .clients__grid{grid-template-columns:1fr}
  .team__grid{grid-template-columns:1fr 1fr}
  .hero__foot{flex-direction:column;align-items:flex-start}
  .hero__sub{font-size:15px}
  .marquee__track{gap:24px}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1;transform:none}
  .hero__canvas{display:none}
}