/* Shared chrome for every v4 page: menu, footer, reveal choreography, pointer sheen, page transitions. */

/* ---- page transitions (same-origin navigation; browsers without support just navigate) ---- */
@view-transition{navigation:auto}
.bar{view-transition-name:bar}
::view-transition-old(root){animation:vt-out .28s var(--ease) both}
::view-transition-new(root){animation:vt-in .45s var(--ease) both}
@keyframes vt-out{to{opacity:0;transform:translateY(-8px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(10px)}}

/* ---- reveal: everything tagged .rv rises in, staggered by its index among siblings ---- */
.js .rv{opacity:0;transform:translateY(26px);filter:blur(6px)}
.js .rv.in{opacity:1;transform:none;filter:none;transition:opacity .8s var(--ease),transform .9s var(--ease),filter .8s var(--ease);transition-delay:calc(var(--i,0) * 70ms)}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;filter:none}}

/* ---- pointer sheen: a soft light that follows the hand across metal and cards ---- */
.sheen{position:relative}
.sh-l{position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .45s;mix-blend-mode:screen;
  background:radial-gradient(380px circle at var(--mx,50%) var(--my,50%),rgba(255,226,170,.10),transparent 45%)}
.sheen:hover>.sh-l{opacity:1}
.plate>.sh-l{mix-blend-mode:soft-light;background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(255,252,235,.75),transparent 55%)}

/* ---- active link in the bar ---- */
.bar__nav a[aria-current="page"]{color:var(--tx);background:linear-gradient(90deg,var(--brass) 0 50%,transparent 50%) 0 100%/8px 1px repeat-x;padding-bottom:3px}

/* ---- mobile menu: two linked rings open a sheet of every zanjir ---- */
.bar__menu{all:unset;display:none;cursor:pointer;width:44px;height:44px;border-radius:50%;border:1px solid var(--line2);place-items:center;margin-inline-start:4px}
.bar__menu i{position:relative;width:22px;height:12px}
.bar__menu i::before,.bar__menu i::after{content:"";position:absolute;top:0;width:12px;height:12px;border:2px solid var(--brass);border-radius:6px;transition:transform .45s var(--ease)}
.bar__menu i::before{right:0}.bar__menu i::after{left:0}
.menu-open .bar__menu i::before{transform:translateX(-5px) rotate(45deg)}
.menu-open .bar__menu i::after{transform:translateX(5px) rotate(-45deg)}
.sheet{position:fixed;inset:0;z-index:45;background:rgba(12,10,8,.96);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:96px 20px 32px;overflow:auto;opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s}
.menu-open .sheet{opacity:1;visibility:visible}
.menu-open{overflow:hidden}
.sheet h4{font-size:12px;color:var(--tx3);font-weight:500;margin:0 0 10px}
.sheet__zn{display:grid;gap:4px;margin-bottom:28px}
.sheet__zn a{display:flex;align-items:center;gap:14px;padding:12px 4px;border-bottom:1px solid var(--line);text-decoration:none;transform:translateY(12px);opacity:0;transition:all .45s var(--ease);transition-delay:calc(var(--i,0) * 35ms + 80ms)}
.menu-open .sheet__zn a{transform:none;opacity:1}
.sheet__zn b{font-family:var(--display);font-weight:800;font-size:20px}
.sheet__zn small{display:block;font-size:12px;color:var(--tx3);margin-top:2px}
.sheet__links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:28px}
.sheet__links a{color:var(--tx2);text-decoration:none;font-size:15px}
.sheet .btn{width:100%;justify-content:center}
.gem-dot{flex:none;width:14px;height:14px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--zu,#E3C27E) 50%,#fff),var(--z,#B88A43) 60%,color-mix(in srgb,var(--z,#B88A43) 60%,#000));
  box-shadow:0 0 0 2px #A8823E,0 0 12px color-mix(in srgb,var(--z,#B88A43) 50%,transparent)}
@media (max-width:1000px){.bar__menu{display:grid}}

/* ---- footer: the same on every page, built from the app's data ---- */
.ft{position:relative;margin-top:var(--s9);border-top:1px solid var(--line);background:linear-gradient(180deg,var(--bg),#0B0A08);overflow:hidden}
.ft__mark{position:relative;display:block;text-align:center;font-family:var(--display);font-weight:900;font-size:clamp(84px,15vw,220px);line-height:1.35;
  padding:0 20px var(--s4);pointer-events:none;white-space:nowrap;overflow:hidden;
  background:linear-gradient(180deg,rgba(243,217,160,.20) 0%,rgba(215,178,107,.08) 55%,rgba(215,178,107,0) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.ft__in{position:relative;max-width:var(--wrap);margin:0 auto;padding:var(--s8) var(--s7) var(--s6);display:grid;grid-template-columns:1.4fr 1.2fr 1fr 1fr;gap:var(--s7)}
.ft__brand p{color:var(--tx3);font-size:var(--t15);line-height:1.9;margin:var(--s4) 0}
.ft__badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--tx2);border:1px solid var(--line2);border-radius:999px;padding:5px 12px}
.ft__badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#5CBF7F;box-shadow:0 0 8px #5CBF7F}
.ft h5{font-family:var(--display);font-weight:700;font-size:var(--t13);color:var(--tx3);margin:0 0 var(--s4)}
.ft ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ft li a{display:inline-flex;align-items:center;gap:10px;color:var(--tx2);text-decoration:none;font-size:var(--t15);transition:color .3s,transform .3s var(--ease)}
.ft li a:hover{color:var(--tx);transform:translateX(-3px)}
.ft li .gem-dot{width:10px;height:10px;box-shadow:0 0 0 1.5px #A8823E}
.ft__base{position:relative;max-width:var(--wrap);margin:0 auto;padding:var(--s4) var(--s7) var(--s6);display:flex;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;font-size:12px;color:var(--tx4);border-top:1px solid var(--line)}
@media (max-width:1000px){.ft__in{grid-template-columns:1fr 1fr;padding:var(--s7) 20px var(--s5);gap:var(--s6)}.ft__brand{grid-column:1/-1}.ft__base{padding:var(--s4) 20px var(--s6)}}