/* ==========================================================================
   ابریــ شم کلود — لایه‌ی دوم قالب (۱۴۰۵/۰۷).
   روی site.css می‌نشیند و فقط چیزهایی را عوض می‌کند که در همه‌ی صفحات مشترک‌اند:
   فونت، هدر شناور، دکمه‌ها. رنگ و چیدمان صفحه‌ی نخست در home.css است.
   فونت استعداد (OFL) لوکال و subset شده — بدون CDN.
   ========================================================================== */
@font-face{font-family:'Estedad';src:url('../fonts/estedad/Estedad-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Estedad';src:url('../fonts/estedad/Estedad-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Estedad';src:url('../fonts/estedad/Estedad-SemiBold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Estedad';src:url('../fonts/estedad/Estedad-Bold.woff2') format('woff2');font-weight:700 900;font-style:normal;font-display:swap}

:root{
  --v2:1; /* main.js reads this to know the floating header is active */
  --font:'Estedad','Vazirmatn',Tahoma,Arial,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --z-header:100;
}
/* no letter-spacing anywhere: it breaks the joins between Persian letters */
h1,h2,h3{font-weight:700;text-wrap:balance}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.skip-link{position:absolute;inset-inline-start:16px;top:-60px;z-index:200;background:var(--ink);color:#fff;padding:10px 16px;border-radius:12px;font-weight:600;transition:top .2s}
.skip-link:focus{top:12px}

/* ===== Buttons ========================================================== */
.btn{border-radius:999px;font-weight:600;letter-spacing:0;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,border-color .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.97);transition-duration:.08s}
.btn--primary{background:#f2b632;color:#1a1503;box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 10px 24px -10px rgba(190,135,10,.75)}
.btn--primary:hover{background:#f6c24a;color:#1a1503;box-shadow:0 1px 0 rgba(255,255,255,.6) inset,0 16px 30px -12px rgba(190,135,10,.8)}
.btn--ghost{background:rgba(255,255,255,.7);border-color:var(--line-2)}
.btn i.fa-arrow-left{transition:transform .25s var(--ease)}
.btn:hover i.fa-arrow-left{transform:translateX(-4px)}

/* ===== Floating header ================================================== */
.site-header{background:transparent;backdrop-filter:none;border-bottom:0;padding:12px 0 0;z-index:var(--z-header);pointer-events:none}
.site-header .nav{pointer-events:auto;position:relative;width:calc(100% - 28px);min-height:64px;gap:10px;padding:8px 10px 8px 10px;padding-inline-start:20px;
  background:rgba(255,255,255,.78);-webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);
  border:1px solid rgba(17,23,48,.08);border-radius:999px;
  box-shadow:0 1px 0 rgba(255,255,255,.9) inset,0 10px 30px -18px rgba(17,23,48,.35);
  transition:min-height .35s var(--ease),box-shadow .35s var(--ease),background .35s,max-width .45s var(--ease)}
.site-header.is-stuck .nav{min-height:56px;background:rgba(255,255,255,.92);
  box-shadow:0 1px 0 rgba(255,255,255,.9) inset,0 18px 40px -20px rgba(17,23,48,.45)}
.brand__logo{height:38px;transition:height .35s var(--ease)}
.site-header.is-stuck .brand__logo{height:34px}

.nav__links{gap:0}
.nav__links>a,.nav__drop-toggle{position:relative;z-index:1;font-weight:500;font-size:.88rem;color:#3d4460;padding:9px 12px;border-radius:999px;
  transition:color .2s}
.nav__links>a:hover,.nav__drop-toggle:hover{background:none;color:var(--ink)}
.nav__links>a[aria-current="page"]{color:var(--ink);font-weight:600}
.nav__links>a[aria-current="page"]::after{content:"";position:absolute;bottom:3px;inset-inline:50% auto;width:5px;height:5px;margin-inline-start:-2.5px;border-radius:50%;background:#f2b632}
.nav__drop-toggle>.fa-server{color:var(--gold);font-size:.85em}
.nav__drop-toggle svg{transition:transform .3s var(--ease)}
/* the pill that slides under whichever link the pointer is on (main.js) */
.nav__glow{position:absolute;top:50%;left:0;height:38px;width:0;margin-top:-19px;border-radius:999px;background:rgba(17,23,48,.06);
  opacity:0;pointer-events:none;z-index:0;transition:transform .35s var(--ease),width .35s var(--ease),opacity .2s}
.nav__badge{background:#111730;color:#f2b632;font-weight:600;font-size:.62rem;padding:2px 8px}
.nav__cta{gap:6px}
.nav__cta .btn{padding:10px 18px;font-size:.86rem;min-height:44px}
.nav__cta .btn--ghost{border-color:transparent;background:transparent}
.nav__cta .btn--ghost:hover{background:rgba(17,23,48,.06);color:var(--ink);border-color:transparent;transform:none}

@media(min-width:1025px){
  .nav__links{position:relative}
  .nav__drop-menu{display:block;visibility:hidden;opacity:0;transform:translateY(8px) scale(.97);transform-origin:top right;
    min-width:260px;padding:8px;margin-top:14px;border-radius:22px;border:1px solid rgba(17,23,48,.08);
    background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    box-shadow:0 30px 60px -30px rgba(17,23,48,.45);
    transition:opacity .2s,transform .3s var(--ease),visibility 0s .3s}
  .nav__drop-menu::before{top:-18px;height:18px}
  .nav__drop:hover .nav__drop-menu,.nav__drop:focus-within .nav__drop-menu{visibility:visible;opacity:1;transform:none;transition-delay:0s}
  .nav__drop:hover .nav__drop-toggle svg,.nav__drop:focus-within .nav__drop-toggle svg{transform:rotate(180deg)}
  .nav__drop-menu a{border-radius:14px;font-weight:500;opacity:0;transform:translateY(6px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),background .15s,color .15s}
  .nav__drop:hover .nav__drop-menu a,.nav__drop:focus-within .nav__drop-menu a{opacity:1;transform:none}
  .nav__drop-menu a:nth-child(1){transition-delay:.03s,.03s,0s,0s}
  .nav__drop-menu a:nth-child(2){transition-delay:.06s,.06s,0s,0s}
  .nav__drop-menu a:nth-child(3){transition-delay:.09s,.09s,0s,0s}
  .nav__drop-menu a:nth-child(4){transition-delay:.12s,.12s,0s,0s}
  .nav__drop-menu a:nth-child(n+5){transition-delay:.15s,.15s,0s,0s}
  .nav__drop-menu a:hover{background:rgba(17,23,48,.05);color:var(--ink)}
}
@media(max-width:1180px) and (min-width:1025px){
  .nav__links>a,.nav__drop-toggle{padding:9px 8px;font-size:.84rem}
  .nav__cta .btn--ghost{display:none}
}
@media(max-width:1024px){
  .site-header{padding-top:10px}
  .site-header .nav{min-height:58px;padding-inline-start:16px}
  .nav__glow{display:none}
  /* .nav has a backdrop-filter, which makes it the containing block for fixed
     children — so hang the panel off the pill itself instead. */
  .nav__cta{margin-inline-start:auto}
  .nav__links{position:absolute;top:calc(100% + 10px);inset-inline:0;max-height:calc(100dvh - 104px);border:1px solid rgba(17,23,48,.08);border-radius:26px;
    background:#fff;-webkit-backdrop-filter:none;backdrop-filter:none;opacity:1;box-shadow:0 30px 60px -24px rgba(17,23,48,.45);padding:12px}
  .nav__links.is-open{animation:navIn .35s var(--ease)}
  .nav__links>a,.nav__drop-toggle{border-radius:14px;font-size:.98rem}
  .nav__links>a[aria-current="page"]::after{display:none}
  .nav__toggle{width:44px;height:44px;align-items:center;justify-content:center;border-radius:50%;background:rgba(17,23,48,.06)}
}
@keyframes navIn{from{opacity:0;transform:translateY(-10px) scale(.98)}to{opacity:1;transform:none}}

@media(prefers-reduced-motion:reduce){
  .btn,.site-header .nav,.nav__glow,.nav__drop-menu,.nav__drop-menu a,.brand__logo{transition:none!important}
  .nav__links.is-open{animation:none}
}