/* css/site.css
   Global site shell + Orbai-style sticky header
   Single-source-of-truth so pages don't drift.
*/

:root{
  /* tweak once, applies everywhere */
  --header-h: 72px;
  --shell-max: 1180px;

  /* orbai-ish floating bar */
  --bar-bg: rgba(255,255,255,0.70);
  --bar-border: rgba(1,20,37,0.10);
  --bar-shadow: 0 14px 40px rgba(0,0,0,0.10);

  --link: rgba(1,20,37,0.78);
  --link-strong: rgba(1,20,37,0.92);
  --link-hover-bg: rgba(92,124,137,0.16);

  --connect-bg: rgba(1,20,37,0.03);
  --connect-border: rgba(1,20,37,0.08);

  /* page background (keep your existing right-side aesthetic) */
  --page-bg: radial-gradient(1200px 700px at 25% 20%, rgba(92,124,137,0.25), transparent 60%),
             radial-gradient(1000px 600px at 70% 40%, rgba(31,73,89,0.22), transparent 55%),
             #011425;
}

/* ---------- Page shell ---------- */
body{
  background: var(--page-bg);
  color: #fff;
}

.vk-shell{
  min-height: 100vh;
}

.vk-main{
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: calc(var(--header-h) + 28px) 22px 70px;
}

/* ---------- Sticky header ---------- */
.vk-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: center;
  /* gives the floating bar breathing room from edges */
  padding: 10px 14px;
}

/* the floating bar */
.vk-bar{
  width: min(var(--shell-max), calc(100% - 8px));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;

  background: var(--bar-bg);
  border: 1px solid var(--bar-border);
  border-radius: 999px;
  box-shadow: var(--bar-shadow);

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  padding: 10px 12px;
}

/* Left brand */
.vk-brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--link-strong);
  font-family: var(--font-display, system-ui);
  font-weight: 800;
  letter-spacing: -0.02em;
  padding: 8px 10px;
  border-radius: 999px;
}
.vk-brand:hover{
  background: rgba(255,255,255,0.55);
}

/* Center nav */
.vk-nav{
  display: inline-flex;
  gap: 6px;
  align-items: center;
  justify-content: center;
}
.vk-nav a{
  text-decoration: none;
  color: var(--link);
  font-weight: 650;
  padding: 8px 12px;
  border-radius: 999px;
}
.vk-nav a:hover{
  background: var(--link-hover-bg);
  color: var(--link-strong);
}
.vk-nav a[aria-current="page"]{
  background: rgba(31,73,89,0.14);
  color: var(--link-strong);
}

/* Right connect dropdown */
.vk-right{
  display: flex;
  justify-content: flex-end;
}

.vk-connect{
  position: relative;
}

.vk-connectBtn{
  appearance: none;
  border: 1px solid var(--connect-border);
  background: var(--connect-bg);
  color: var(--link-strong);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 700;
  cursor: pointer;

  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.vk-connectBtn:hover{
  background: rgba(92,124,137,0.14);
}

.vk-caret{
  width: 12px;
  height: 12px;
  opacity: 0.75;
}

/* Dropdown menu */
.vk-menu{
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 240px;

  background: rgba(255,255,255,0.92);
  border: 1px solid var(--bar-border);
  border-radius: 16px;
  box-shadow: 0 22px 55px rgba(0,0,0,0.18);
  backdrop-filter: blur(12px);

  padding: 8px;
  display: none;
}

.vk-menu a{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;

  padding: 10px 10px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--link-strong);
  font-weight: 650;
}
.vk-menu a:hover{
  background: rgba(92,124,137,0.16);
}

.vk-menu .vk-hint{
  font-size: 12px;
  color: rgba(1,20,37,0.58);
  margin: 6px 10px 10px;
}

/* open state (toggled by JS) */
.vk-connect[data-open="true"] .vk-menu{
  display: block;
}

/* ---------- Mobile ---------- */
@media (max-width: 820px){
  .vk-bar{
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand connect"
      "nav nav";
    border-radius: 22px;
    padding: 10px;
  }
  .vk-brand{ grid-area: brand; }
  .vk-right{ grid-area: connect; }
  .vk-nav{
    grid-area: nav;
    justify-content: flex-start;
    flex-wrap: wrap;
    padding: 6px 2px 0;
  }
  .vk-main{
    padding-top: calc(var(--header-h) + 42px);
  }
}