/* ============================================================
   SWN LABS STUDIO — shared design system
   ============================================================ */
:root{
  --bg:#060A05; --bg2:#09100A; --panel:#0C1A0E; --panel2:#060C07;
  --ink:#F4EFE2; --muted:#A39B86; --line:rgba(212,168,56,.20);
  /* accent (themeable) */
  --accent:#D4A838; --accent-light:#FDE98A; --accent-soft:#E8C04A; --accent-deep:#7A5010;
  --accent-rgb:212,168,56;
  --display:'Cormorant Garamond',Georgia,serif;
  --body:'Inter',system-ui,sans-serif;
  --maxw:1240px;
  --ease:cubic-bezier(.22,1,.36,1);
}
html[lang="ar"]{ --body:'Cairo',sans-serif; --display:'Cairo',sans-serif; }

/* THEMES */
html[data-theme="emerald"]{ --accent:#2fbf71; --accent-light:#9af5c0; --accent-soft:#34d399; --accent-deep:#0f5132; --accent-rgb:47,191,113; }
html[data-theme="crimson"]{ --accent:#e6394f; --accent-light:#ff9aa7; --accent-soft:#ff4d68; --accent-deep:#7a1020; --accent-rgb:230,57,79; }
html[data-theme="royal"]{ --accent:#9a6bff; --accent-light:#cbb6ff; --accent-soft:#a981ff; --accent-deep:#3a1078; --accent-rgb:154,107,255; }
html[data-theme="ice"]{ --accent:#39c6e6; --accent-light:#a8eaff; --accent-soft:#4ad4f0; --accent-deep:#0c4a5e; --accent-rgb:57,198,230; }
/* LIGHT MODE */
html[data-mode="light"]{ --bg:#f5f1e8; --bg2:#efe9da; --panel:#ffffff; --panel2:#f2ecdd; --ink:#1b1709; --muted:#6f674f; --line:rgba(122,80,16,.22); }

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--accent-deep);border-radius:4px}
::selection{background:var(--accent);color:#0a0a0a}
body{font-family:var(--body);background:var(--bg);color:var(--ink);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;transition:background .5s,color .5s}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.serif{font-family:var(--display)}
.gg{background:linear-gradient(180deg,var(--accent-light) 0%,var(--accent-soft) 38%,var(--accent) 72%,var(--accent-deep) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.accent{color:var(--accent)}.muted{color:var(--muted)}
[data-ar]{display:none!important}
html[lang="ar"] [data-en]{display:none!important}
html[lang="ar"] [data-ar]{display:inline!important}
html[lang="ar"] .blk[data-ar]{display:block!important}
html[lang="ar"]{direction:rtl}

/* ---------- cursor ---------- */
#cur{position:fixed;width:9px;height:9px;background:var(--accent-light);border-radius:50%;pointer-events:none;z-index:10001;transform:translate(-50%,-50%);mix-blend-mode:difference;transition:width .2s,height .2s}
#ring{position:fixed;width:34px;height:34px;border:1.5px solid rgba(var(--accent-rgb),.5);border-radius:50%;pointer-events:none;z-index:10000;transform:translate(-50%,-50%);transition:transform .16s var(--ease),width .3s,height .3s,opacity .3s}
body:has(a:hover) #cur,body:has(button:hover) #cur{width:16px;height:16px;background:#fff}
body:has(a:hover) #ring,body:has(button:hover) #ring{width:52px;height:52px;opacity:.6}

/* ---------- grain ---------- */
.grain{content:"";position:fixed;inset:0;z-index:9990;pointer-events:none;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:200px}

/* ---------- scroll progress ---------- */
#prog{position:fixed;top:0;left:0;height:2px;width:0;z-index:9995;background:linear-gradient(90deg,var(--accent-deep),var(--accent),var(--accent-light));box-shadow:0 0 12px rgba(var(--accent-rgb),.6);transition:width .1s linear}

/* ---------- page transition (CSS pseudo cover — exists at first paint, flash-free) ---------- */
body::after{content:"";position:fixed;inset:0;z-index:10050;background:var(--bg);pointer-events:none;will-change:transform;backface-visibility:hidden;transform:translateY(-101%);animation:transReveal .7s cubic-bezier(.76,0,.24,1) forwards}
@keyframes transReveal{0%{transform:translateY(0)}100%{transform:translateY(-101%)}}
body.leaving::after{pointer-events:auto;animation:transCover .42s cubic-bezier(.76,0,.24,1) forwards}
@keyframes transCover{0%{transform:translateY(101%)}100%{transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){body::after{display:none!important;animation:none!important}}

/* ---------- nav ---------- */
header.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:transparent;transition:background .4s,border-color .4s,box-shadow .4s;border-bottom:1px solid transparent}
header.nav.scrolled{background:rgba(6,10,5,.72);-webkit-backdrop-filter:blur(18px) saturate(150%);backdrop-filter:blur(18px) saturate(150%);border-color:var(--line);box-shadow:0 6px 40px rgba(0,0,0,.4)}
html[data-mode="light"] header.nav.scrolled{background:rgba(245,241,232,.8)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:78px;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:40px;height:40px}
.brand .bt{font-family:var(--display);font-size:23px;letter-spacing:.32em;padding-left:.32em;line-height:1;font-weight:700}
.brand .bs{display:block;font-size:8px;letter-spacing:.4em;color:var(--muted);text-transform:uppercase;margin-top:3px}
.nav-links{display:flex;gap:30px;align-items:center;font-size:13px;font-weight:500;letter-spacing:.06em;text-transform:uppercase}
.nav-links a{color:var(--muted);transition:.2s;position:relative;padding-bottom:4px}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent);transition:.3s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;font-family:var(--body);font-size:12px;font-weight:700}
.icon-btn:hover{border-color:var(--accent);color:var(--accent)}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8}
.nav-toggle{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;cursor:pointer;border:none;font-family:var(--body);font-weight:700;letter-spacing:.04em;font-size:13.5px;padding:13px 26px;border-radius:34px;transition:.22s;white-space:nowrap;position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 20%,rgba(255,255,255,.25) 50%,transparent 80%);transform:translateX(-120%);transition:transform .6s}
.btn:hover::after{transform:translateX(120%)}
.btn-gold{background:linear-gradient(135deg,var(--accent-soft),var(--accent-deep));color:#1a1206;box-shadow:0 6px 24px rgba(var(--accent-rgb),.3)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 34px rgba(var(--accent-rgb),.5)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(var(--accent-rgb),.38)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
/* work-card titles sit on a dark photo gradient in BOTH modes — pin them light
   (in light mode they'd inherit dark --ink and wash out over bright thumbnails) */
body .work .meta h3,body .wcard .meta h3{color:#f5efe2;text-shadow:0 2px 14px rgba(0,0,0,.75),0 1px 3px rgba(0,0,0,.55)}

/* ---------- sections / shared ---------- */
section.block{padding:120px 0;position:relative}
.sec-head{text-align:center;max-width:700px;margin:0 auto 64px}
.kick{font-size:12px;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;display:inline-flex;align-items:center;gap:12px}
.kick::before,.kick::after{content:"";width:28px;height:1px;background:var(--accent);opacity:.7}
.sec-head h2{font-family:var(--display);font-weight:700;font-size:clamp(34px,5.5vw,62px);line-height:1.04}
.sec-head p{color:var(--muted);margin-top:16px;font-size:16px}
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.vis{opacity:1;transform:none}
.d1{transition-delay:.07s}.d2{transition-delay:.14s}.d3{transition-delay:.21s}.d4{transition-delay:.28s}.d5{transition-delay:.35s}.d6{transition-delay:.42s}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:64px 0 36px;background:var(--bg2);position:relative}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent)}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:40px}
.foot-brand{max-width:340px}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px}
.foot-col h6{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);margin-bottom:16px}
.foot-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:10px;transition:.2s}
.foot-col a:hover{color:var(--accent)}
.copy{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12.5px}

/* ---------- theme panel ---------- */
#theme-panel{position:fixed;top:0;bottom:0;right:-340px;width:320px;max-width:88vw;z-index:10030;background:linear-gradient(180deg,var(--panel),var(--bg2));border-left:1px solid var(--line);box-shadow:-20px 0 60px rgba(0,0,0,.5);transition:right .45s var(--ease);padding:32px 28px;overflow-y:auto}
html[dir="rtl"] #theme-panel{right:auto;left:-340px;border-left:none;border-right:1px solid var(--line);transition:left .45s var(--ease)}
#theme-panel.open{right:0}html[dir="rtl"] #theme-panel.open{left:0}
#theme-panel h4{font-family:var(--display);font-size:26px;margin-bottom:6px}
#theme-panel .tp-sub{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.18em;margin:22px 0 12px}
.swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.sw{aspect-ratio:1;border-radius:12px;cursor:pointer;border:2px solid transparent;transition:.2s;position:relative}
.sw:hover{transform:scale(1.08)}
.sw.sel{border-color:var(--ink)}
.sw.sel::after{content:"✓";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;text-shadow:0 1px 3px rgba(0,0,0,.6)}
.mode-row{display:flex;gap:10px;margin-top:6px}
.mode-btn{flex:1;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:12px;padding:12px;cursor:pointer;font-family:var(--body);font-weight:600;font-size:13px;transition:.2s}
.mode-btn.sel{border-color:var(--accent);background:rgba(var(--accent-rgb),.12);color:var(--accent)}
#theme-close{position:absolute;top:18px;right:18px;background:none;border:none;color:var(--muted);font-size:26px;cursor:pointer;line-height:1}
html[dir="rtl"] #theme-close{right:auto;left:18px}
#theme-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:10025;opacity:0;visibility:hidden;transition:.3s}
#theme-overlay.open{opacity:1;visibility:visible}

/* ---------- chat assistant ---------- */
#chat-fab{position:fixed;bottom:26px;right:26px;z-index:10020;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--accent-soft),var(--accent-deep));display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(var(--accent-rgb),.45);cursor:pointer;transition:.25s}
html[dir="rtl"] #chat-fab{right:auto;left:26px}
#chat-fab:hover{transform:scale(1.08)}
#chat-fab svg{width:28px;height:28px;fill:#1a1206}
#chat-fab .pulse{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(var(--accent-rgb),.5);animation:cpulse 2.2s ease-out infinite}
@keyframes cpulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.5);opacity:0}}
#chat{position:fixed;bottom:100px;right:26px;z-index:10021;width:380px;max-width:calc(100vw - 40px);height:540px;max-height:calc(100vh - 140px);max-height:calc(100dvh - 140px);background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:20px;box-shadow:0 30px 70px rgba(0,0,0,.6);display:flex;flex-direction:column;overflow:hidden;transform:translateY(20px) scale(.96);opacity:0;visibility:hidden;transition:.3s var(--ease);transform-origin:bottom right}
html[dir="rtl"] #chat{right:auto;left:26px;transform-origin:bottom left}
#chat.open{transform:none;opacity:1;visibility:visible}
.chat-head{display:flex;align-items:center;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line);background:rgba(var(--accent-rgb),.06)}
.chat-head .av{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent-soft),var(--accent-deep));display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;color:#1a1206;font-size:18px}
.chat-head .ci h5{font-size:15px;font-weight:700;line-height:1.1}
.chat-head .ci span{font-size:11px;color:var(--accent);display:flex;align-items:center;gap:5px}
.chat-head .ci span::before{content:"";width:7px;height:7px;border-radius:50%;background:#2fbf71;box-shadow:0 0 8px #2fbf71}
.chat-head .x{margin-left:auto;background:none;border:none;color:var(--muted);font-size:22px;cursor:pointer}
html[dir="rtl"] .chat-head .x{margin-left:0;margin-right:auto}
.chat-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.msg{max-width:82%;padding:11px 15px;border-radius:15px;font-size:13.5px;line-height:1.5;animation:msgin .35s var(--ease)}
@keyframes msgin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg.bot{align-self:flex-start;background:rgba(var(--accent-rgb),.12);border:1px solid rgba(var(--accent-rgb),.28);border-bottom-left-radius:4px}
.msg.me{align-self:flex-end;background:rgba(255,255,255,.06);border:1px solid var(--line);border-bottom-right-radius:4px}
html[data-mode="light"] .msg.me{background:rgba(0,0,0,.05)}
.msg.typing{display:inline-flex;gap:4px;align-self:flex-start}
.msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:ty 1s infinite}
.msg.typing i:nth-child(2){animation-delay:.2s}.msg.typing i:nth-child(3){animation-delay:.4s}
@keyframes ty{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:12px 18px;border-top:1px solid var(--line)}
.chip{font-size:12px;font-weight:600;background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:20px;padding:7px 13px;cursor:pointer;transition:.2s;font-family:var(--body)}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chat-input{display:flex;gap:8px;padding:14px 16px;border-top:1px solid var(--line)}
.chat-input input{flex:1;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:24px;padding:11px 16px;color:var(--ink);font-family:var(--body);font-size:13.5px;outline:none}
.chat-input input:focus{border-color:var(--accent)}
.chat-input button{width:42px;height:42px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--accent-soft),var(--accent-deep));color:#1a1206;cursor:pointer;display:flex;align-items:center;justify-content:center}
.chat-input button svg{width:18px;height:18px;fill:currentColor}

/* ---------- responsive + motion ---------- */
@media(max-width:980px){ .foot-grid{gap:28px} }
@media(max-width:760px){
  #cur,#ring{display:none}.grain{display:none}
  .nav-links{position:fixed;inset:78px 0 auto 0;flex-direction:column;background:var(--bg2);padding:26px;gap:22px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .4s var(--ease);height:auto}
  .nav-links.open{transform:none}
  .nav-toggle{display:flex}
  .nav-right .btn{display:none}
  section.block{padding:80px 0}
  #chat{width:calc(100vw - 28px);right:14px;bottom:90px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.2s!important}
  .grain{display:none}
  .reveal{opacity:1;transform:none}
}