/* ===== Navbar ===== */
.site-header{position:sticky;top:0;z-index:100;padding:12px 0 0}
.nav-shell{display:flex;align-items:center;gap:12px;height:var(--nav-h);padding-inline:20px 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--nav-bg);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);box-shadow:var(--shadow-1);transition:box-shadow .3s,background-color .3s,border-color .3s;animation:navin .7s var(--ease) both}
.site-header.scrolled .nav-shell{box-shadow:var(--shadow-2)}
@keyframes navin{from{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:none}}

/* logo lockup: robot mark + Arabic name + English line */
.lockup{display:inline-flex;align-items:center;gap:12px;flex:none}
.lockup .mark{width:44px;height:44px;flex:none;filter:drop-shadow(0 6px 12px rgba(26,53,98,.35));transition:transform .5s var(--ease)}
.lockup .word{display:flex;flex-direction:column;line-height:1;gap:5px}
.lockup .word b{font-family:var(--font-ar);font-size:1.6rem;font-weight:800;color:var(--text);letter-spacing:0}
.lockup .word .en{font-family:var(--font-en);font-size:.64rem;font-weight:800;letter-spacing:.28em;color:var(--text-3);direction:ltr;text-align:start}
.lockup .word .en i{font-style:normal;color:var(--accent-text)}

.nav{display:flex;align-items:center;gap:2px;margin-inline:auto}
.nav>a,.nav .dd-btn{position:relative;padding:9px 15px;border-radius:var(--r-pill);font-weight:600;font-size:.97rem;color:var(--text-2);background:none;border:0;transition:color .2s,background-color .2s;display:inline-flex;align-items:center;gap:6px}
.nav>a::before{content:"";position:absolute;inset-inline:50%;bottom:4px;height:3px;border-radius:3px;background:var(--accent);transition:inset-inline .3s var(--ease)}
.nav>a:hover::before,.nav>a[aria-current=page]::before{inset-inline:32%}
.nav>a:hover,.nav .dd-btn:hover,.dd.open .dd-btn{color:var(--text);background:var(--brand-soft)}
.nav>a[aria-current=page]{color:var(--brand-strong);background:var(--brand-soft)}
.dd.has-current .dd-btn{color:var(--brand-strong)}

/* dropdown */
.dd{position:relative}
.dd-btn .chev{display:grid;place-items:center;transition:transform .3s var(--ease)}
.dd-btn .chev svg{width:15px;height:15px}
.dd.open .dd-btn .chev{transform:rotate(180deg)}
.dd-menu{position:absolute;top:calc(100% + 14px);left:50%;width:340px;background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-2);padding:10px;display:flex;flex-direction:column;gap:2px;opacity:0;visibility:hidden;transform:translate(-50%,10px) scale(.97);transform-origin:top center;transition:opacity .25s var(--ease),transform .3s var(--ease),visibility .25s}
.dd-menu::before{content:"";position:absolute;inset-inline:0;top:-16px;height:16px}
.dd-menu::after{content:"";position:absolute;top:-7px;left:50%;width:14px;height:14px;background:var(--surface);border-top:1px solid var(--line);border-left:1px solid var(--line);transform:translateX(-50%) rotate(45deg)}
.dd.open .dd-menu{opacity:1;visibility:visible;transform:translate(-50%,0) scale(1)}
@media (hover:hover) and (min-width:1081px){.dd:hover .dd-menu{opacity:1;visibility:visible;transform:translate(-50%,0) scale(1)}.dd:hover .dd-btn{background:var(--brand-soft);color:var(--text)}.dd:hover .dd-btn .chev{transform:rotate(180deg)}}
.dd-menu a{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:center;padding:10px 12px;border-radius:16px;transition:background-color .2s,transform .25s var(--ease);position:relative}
.dd-menu a:hover{background:var(--brand-soft);transform:translateX(calc(var(--dir,1) * -3px))}
[dir=rtl] .dd-menu a:hover{transform:translateX(3px)}
[dir=ltr] .dd-menu a:hover{transform:translateX(-3px)}
.dd-menu .ic{width:44px;height:44px;border-radius:14px;transition:transform .3s var(--ease),background-color .2s,color .2s}
.dd-menu .ic svg{width:22px;height:22px}
.dd-menu a:hover .ic{background:var(--brand);color:var(--brand-ink);transform:scale(1.06) rotate(-4deg)}
.dd-txt{display:flex;flex-direction:column;gap:1px;min-width:0}
.dd-txt b{font-size:.98rem;color:var(--text);line-height:1.4}
.dd-txt small{font-size:.82rem;color:var(--text-3);line-height:1.5}
.dd-menu a[aria-current=page]{background:var(--brand-soft)}
.dd-menu a[aria-current=page]::after{content:"";position:absolute;inset-inline-end:14px;top:50%;width:8px;height:8px;border-radius:50%;background:var(--accent);translate:0 -50%}

.nav-tools{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{height:42px;min-width:42px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);color:var(--text);font-weight:700;font-size:.9rem;transition:border-color .2s,color .2s,transform .2s var(--ease),background-color .2s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-strong);transform:translateY(-2px)}
.icon-btn:active{transform:scale(.94)}
.icon-btn svg{width:19px;height:19px}
.lang-btn svg{transition:transform .5s var(--ease)}
.lang-btn:hover svg{transform:rotate(180deg)}
.lang-label{font-family:var(--font-ar);line-height:1}
.theme-btn svg{transition:transform .5s var(--ease)}
.theme-btn:hover svg{transform:rotate(25deg) scale(1.1)}
.theme-btn .i-moon{display:none}
:root[data-theme=dark] .theme-btn .i-sun{display:none}
:root[data-theme=dark] .theme-btn .i-moon{display:grid}
.menu-btn{display:none}

@media (max-width:1080px){
  .nav{position:fixed;inset:calc(var(--nav-h) + 26px) 16px auto;margin:0;flex-direction:column;align-items:stretch;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:12px;box-shadow:var(--shadow-2);max-height:calc(100dvh - var(--nav-h) - 52px);overflow:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .25s var(--ease),transform .3s var(--ease),visibility .25s;gap:4px}
  .nav.open{opacity:1;visibility:visible;transform:none}
  .nav>a,.nav .dd-btn{padding:13px 16px;border-radius:14px;justify-content:space-between;width:100%}
  .nav>a::before{display:none}
  .dd-menu{position:static;width:auto;box-shadow:none;border:0;background:var(--surface-2);margin-top:4px;opacity:1;visibility:visible;transform:none;display:none;border-radius:16px}
  .dd-menu::before,.dd-menu::after{display:none}
  .dd.open .dd-menu{display:flex;transform:none}
  .menu-btn{display:inline-flex}
  .nav-tools{margin-inline-start:auto}
  .nav-cta{display:none!important}
}
@media (max-width:520px){
  .nav-shell{padding-inline:14px 8px;gap:6px;height:64px}
  .site-header{--nav-h:64px}
  .lockup{gap:9px}
  .lockup .mark{width:38px;height:38px}
  .lockup .word b{font-size:1.35rem}
  .lockup .word .en{font-size:.56rem;letter-spacing:.22em}
  .nav-tools{gap:6px}
  .icon-btn{height:38px;min-width:38px;padding:0 10px}
  .icon-btn svg{width:18px;height:18px}
}
@media (max-width:370px){
  .lang-label{display:none}
  .lockup .word .en{display:none}
  .lockup .word b{font-size:1.25rem}
}

/* ===== Footer ===== */
.site-footer{background:var(--hero-1);color:var(--hero-ink-2);padding:96px 0 28px;position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 64px);mask-image:linear-gradient(to bottom,transparent 0,#000 64px)}
.site-footer::before{content:"";position:absolute;inset-inline-end:-160px;top:-100px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(26,53,98,.5),transparent 70%)}
.foot-top{display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding-bottom:40px;margin-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);position:relative}
.foot-top h3{color:#fff;font-size:clamp(1.4rem,2.6vw,1.9rem)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;position:relative}
.site-footer h4{color:#fff;margin-bottom:16px;font-size:1rem}
.site-footer ul{list-style:none;padding:0;display:grid;gap:10px}
.site-footer ul a{display:inline-block;transition:color .2s,transform .25s var(--ease)}
.site-footer ul a:hover{color:#fff;transform:translateX(-4px)}
[dir=ltr] .site-footer ul a:hover{transform:translateX(4px)}
.site-footer .lockup .word b{color:#fff}
.site-footer .lockup .word .en{color:#9fb4d8}
.site-footer .lockup .word .en i{color:var(--amber-400)}
.foot-note{margin-top:18px;max-width:360px;font-size:.95rem}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;font-size:.88rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}

.toast{position:fixed;bottom:26px;inset-inline:0;margin-inline:auto;width:max-content;max-width:90vw;background:var(--text);color:var(--bg);padding:12px 24px;border-radius:var(--r-pill);opacity:0;transform:translateY(20px) scale(.96);pointer-events:none;transition:.35s var(--ease);z-index:300;font-weight:700;box-shadow:var(--shadow-2)}
.toast.show{opacity:1;transform:none}

.brand-link{display:flex;align-items:center;height:100%;flex:none}
.dd-menu a:hover{transform:none}