:root{
  --bg:#f4f3f1; --ink:#0d0d0d; --muted:#8a8a86; --line:rgba(0,0,0,0.16);
  --font:"Helvetica Neue","Inter",-apple-system,BlinkMacSystemFont,Arial,sans-serif;
}
*{ margin:0; padding:0; box-sizing:border-box; }
html,body{
  width:100%; background:var(--bg); color:var(--ink); font-family:var(--font);
  -webkit-font-smoothing:antialiased;
  scrollbar-width:none; -ms-overflow-style:none;        /* hide scrollbar, keep scroll */
}
html::-webkit-scrollbar, body::-webkit-scrollbar{ display:none; width:0; height:0; }
body{ height:350vh; }                                   /* desktop scroll height drives rotation */
a{ color:inherit; text-decoration:none; }

.site-header{ position:fixed; inset:0 0 auto 0; z-index:1100; display:flex; align-items:center;
  justify-content:space-between; padding:1.9em 2.4em; font-size:13px; letter-spacing:0.02em; pointer-events:none; }
.site-header a, .site-header button{ pointer-events:auto; }
.header-left{ display:flex; align-items:center; gap:3em; }
.brand{ display:flex; align-items:center; }
.brand-logo{ height:30px; width:auto; display:block; }
.nav{ display:flex; gap:2.2em; font-weight:500; }
.nav a{ position:relative; opacity:0.62; transition:opacity .3s ease; }
.nav a.is-active, .nav a:hover{ opacity:1; }
.nav a.is-active::after{ content:""; position:absolute; left:0; bottom:-6px; width:100%; height:1px; background:var(--ink); }
.lang{ display:flex; gap:0.5em; font-weight:500; }
.menu-toggle{ display:none; flex-direction:column; justify-content:center; gap:5px; width:26px; height:18px;
  padding:0; background:none; border:none; cursor:pointer; }
.menu-toggle span{ display:block; width:100%; height:1.5px; background:var(--ink); }
.lang .sep, .lang .muted{ opacity:0.4; }

.corner{ position:fixed; bottom:2.2em; z-index:50; background:none; border:none; cursor:pointer;
  font-family:var(--font); font-size:13px; font-weight:500; letter-spacing:0.02em; color:var(--ink);
  padding-bottom:4px; border-bottom:1px solid var(--ink); transition:opacity .3s ease; }
.corner:hover{ opacity:0.55; }
.corner i{ font-style:normal; margin-left:0.4em; }
.corner--left{ left:2.4em; }
.corner--right{ right:2.4em; }

.scene{ position:fixed; inset:0; overflow:hidden; perspective:1600px; perspective-origin:50% 50%; }
.gallery{ position:absolute; top:50%; left:50%; width:0; height:0; transform-style:preserve-3d; will-change:transform; }

/* CARD = stable hitbox. IMPORTANT: NO backface-visibility:hidden (it would hide half the ring -> "C"/spiral). */
.item{ position:absolute; top:0; left:0; width:78px; height:60px; transform-style:preserve-3d; }
.item-card{ position:absolute; inset:0; transform-style:preserve-3d; pointer-events:none;
  border:1px solid rgba(255,255,255,0.65); transition:box-shadow .4s ease; }
.item-card img{ width:100%; height:100%; object-fit:cover; display:block; filter:saturate(0.92) brightness(0.99); }
.item-card.is-active{ box-shadow:0 6px 16px -10px rgba(0,0,0,0.35); }

.center{ position:absolute; top:43%; left:50%; transform:translate(-50%,-50%); width:min(520px,42vw);
  text-align:center; pointer-events:none; z-index:5; }
.center-logo{ height:84px; width:auto; margin:0 auto 1.2em; display:block; }
.center-eyebrow{ font-size:12px; letter-spacing:0.16em; text-transform:uppercase; color:var(--muted); margin-bottom:1.4em; }
.center-title{ font-size:clamp(34px,4.4vw,60px); font-weight:500; line-height:1.02; letter-spacing:-0.02em; }
.center-title em{ font-style:italic; font-weight:400; }
.center-sub{ margin-top:1.3em; font-size:14px; color:var(--muted); }
.center-default,.center-project{ transition:opacity .55s ease; }
.center-project{ position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; }
.center.show-project .center-default{ opacity:0; }
.center.show-project .center-project{ opacity:1; pointer-events:auto; }
.preview-img{ width:380px; height:210px; flex-shrink:0; overflow:hidden; background:#e7e6e3; }
.preview-img img{ width:100%; height:100%; object-fit:cover; }
.preview-cat{ margin-top:1.1em; font-size:12px; letter-spacing:0.14em; text-transform:uppercase; color:var(--muted); }
.preview-title{ margin-top:0.4em; font-size:clamp(20px,2vw,26px); font-weight:500; letter-spacing:-0.01em; }
.preview-gallery-link{ display:inline-block; margin-top:0.9em; font-size:13px; font-weight:500;
  border-bottom:1px solid var(--ink); padding-bottom:2px; pointer-events:auto; cursor:pointer; }
.preview-gallery-link i{ font-style:normal; margin-left:0.3em; }

.labels{ position:absolute; inset:0; pointer-events:none; }
.label{ position:absolute; transform:translate(-50%,-50%); white-space:nowrap; font-size:14px; font-weight:500;
  letter-spacing:0.01em; pointer-events:auto; cursor:pointer; opacity:0.85; transition:opacity .25s ease; }
.label:hover{ opacity:1; }
.label .ul{ border-bottom:1px solid var(--ink); padding-bottom:2px; }
.label sup{ font-size:10px; color:var(--muted); margin-left:3px; }

.info-panel{ position:fixed; inset:0; z-index:1000; display:flex; align-items:center; justify-content:center;
  background:rgba(244,243,241,0.97); opacity:0; visibility:hidden; transition:opacity .35s ease; padding:2em; }
.info-panel.is-open{ opacity:1; visibility:visible; }
.info-panel-inner{ max-width:560px; text-align:center; position:relative; }
.info-eyebrow{ font-size:12px; letter-spacing:0.16em; text-transform:uppercase; color:var(--muted); margin-bottom:1.2em; }
.info-title{ font-size:clamp(28px,3.6vw,44px); font-weight:500; letter-spacing:-0.02em; margin-bottom:1em; }
.info-text{ font-size:15px; line-height:1.65; color:var(--ink); margin-bottom:1em; }
.info-founder{ color:var(--muted); font-size:13px; letter-spacing:0.04em; margin-bottom:0; }
.info-link{ display:block; font-size:18px; font-weight:500; margin:0.7em 0; border-bottom:1px solid var(--line); padding-bottom:0.5em; }
.info-close{ position:absolute; top:-2.4em; right:0; width:32px; height:32px; border:none; background:none;
  cursor:pointer; font-size:18px; line-height:1; color:var(--ink); }

.category-panel-inner{ width:100%; max-width:900px; }
.category-scroll{ max-height:78vh; overflow-y:auto; padding-top:0.5em; }
.category-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:10px; margin-top:1.4em; }
.category-grid img{ width:100%; height:110px; object-fit:cover; display:block; background:#e7e6e3; }

.filter-list{ display:flex; flex-wrap:wrap; gap:0.7em; margin-top:1.4em; justify-content:center; }
.filter-item{ font-family:var(--font); font-size:14px; font-weight:500; color:var(--ink); background:none;
  border:1px solid var(--line); border-radius:999px; padding:0.6em 1.3em; cursor:pointer; transition:all .2s ease; }
.filter-item:hover{ border-color:var(--ink); }
.filter-item.is-active{ background:var(--ink); color:var(--bg); border-color:var(--ink); }

.grid-view{ display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:14px; margin-top:1.4em; }
.grid-card{ cursor:pointer; text-align:left; }
.grid-card img{ width:100%; height:120px; object-fit:cover; display:block; background:#e7e6e3; transition:opacity .2s ease; }
.grid-card:hover img{ opacity:0.8; }
.grid-card-name{ margin-top:0.6em; font-size:13px; font-weight:500; }
.grid-card-count{ font-size:11px; color:var(--muted); margin-top:0.15em; }

.mobile-menu{ display:none; }
.mobile-preview{ display:none; }
.mobile-ring-hitbox{ display:none; }

@media (max-width:768px){
  .mobile-ring-hitbox{ display:block; position:fixed; left:0; right:0; bottom:0; top:50%;
    z-index:20; touch-action:none; pointer-events:auto; }
  body{ height:auto; }
  .scene{ height:100svh; overflow:hidden; }
  .center, .labels{ display:none; }
  .custom-cursor{ display:none !important; }
  .site-header{ padding:1.15em 1em; align-items:center; }
  .nav{ display:none; }
  .lang{ font-size:11px; gap:0.35em; }
  .menu-toggle{ display:flex; }
  .corner{ bottom:auto; top:3.6em; font-size:13px; }
  .corner--left{ left:1em; }
  .corner--right{ right:1em; }
  .mobile-preview{ display:block; position:fixed; top:6.2em; left:0; right:0; z-index:6; padding:0 1em; pointer-events:none; }
  .mp-cat{ font-size:10px; letter-spacing:0.14em; text-transform:uppercase; color:var(--muted); margin-bottom:5px; }
  .mp-title{ font-size:23px; line-height:1.05; font-weight:500; letter-spacing:-0.01em; margin-bottom:14px; }
  .mp-img{ width:100%; aspect-ratio:16/10; overflow:hidden; background:#e7e6e3; }
  .mp-img img{ width:100%; height:100%; object-fit:cover; display:block; }
  .mp-actions{ display:flex; gap:1.4em; margin-top:11px; pointer-events:auto; }
  .mp-view{ display:inline-block; font-size:14px; font-weight:700;
    border-bottom:1px solid var(--ink); padding-bottom:2px; pointer-events:auto; }
  .mp-view i{ font-style:normal; margin-left:0.35em; }
  .category-grid{ grid-template-columns:repeat(auto-fill,minmax(110px,1fr)); }
  .category-grid img{ height:80px; }
  .grid-view{ grid-template-columns:repeat(auto-fill,minmax(130px,1fr)); }
  .grid-card img{ height:90px; }
  .filter-item{ font-size:13px; padding:0.5em 1em; }
  .mobile-menu.is-open{ display:flex; position:fixed; inset:0; z-index:1050; background:var(--bg);
    flex-direction:column; align-items:center; justify-content:center; gap:1.5em; }
  .mobile-menu a{ font-size:22px; font-weight:500; opacity:0.65; }
  .mobile-menu a.is-active{ opacity:1; }
  .info-panel{ padding:1.4em; }
}

.custom-cursor{ display:none; }
@media (pointer:fine) and (hover:hover){
  body{ cursor:none; }                                  /* dot replaces the OS cursor */
  .custom-cursor{ display:block; position:fixed; top:0; left:0; width:13px; height:13px;
    border-radius:999px; background:#000; pointer-events:none; z-index:99999; will-change:transform; transition:opacity .3s ease; }
  .custom-cursor.is-hidden{ opacity:0; }
}

body:not(.page-ready) .scene{ opacity:0; }              /* hide ring until fully built+painted */

.loading-screen{ position:fixed; inset:0; z-index:999999; background:var(--bg);
  display:flex; align-items:center; justify-content:center; cursor:default; }
.loading-screen.is-hidden{ pointer-events:none; }
.loading-inner{ text-align:center; opacity:0; animation:load-in .8s ease forwards; }
.loading-brand{ height:42px; width:auto; margin:0 auto; display:block; }
.loading-text{ margin-top:1.1em; font-size:11px; letter-spacing:0.26em; text-transform:uppercase;
  color:var(--muted); animation:load-pulse 1.8s ease-in-out infinite; }
.loading-bar{ width:120px; height:1px; margin:1.6em auto 0; background:rgba(0,0,0,0.12); overflow:hidden; }
.loading-bar span{ display:block; width:100%; height:100%; background:var(--ink); transform:scaleX(0);
  transform-origin:left center; animation:load-bar 1.4s ease-in-out forwards; }
@keyframes load-in{ to{ opacity:1; } }
@keyframes load-pulse{ 0%,100%{ opacity:0.45; } 50%{ opacity:1; } }
@keyframes load-bar{ to{ transform:scaleX(1); } }
@media (max-width:768px){ .loading-screen{ height:100svh; } }