:root{
  --bg0:#070a12;
  --bg1:#0b1224;
  --card:#0f172a;
  --card2:#0b1325;
  --text:#e6e9f2;
  --muted:#a7b0c3;
  --line:rgba(255,255,255,.10);
  --accent:#7aa2ff;
  --accent2:#22c55e;
}

*{box-sizing:border-box}
html,body{height:100%}
a{color:inherit}

/* ===========================
   BACKGROUND (no glitch bands)
   =========================== */
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:#0b1020;
  position:relative;
  overflow-x:hidden;
  line-height:1.55;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;

  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(122,162,255,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(34,197,94,.12), transparent 55%),
    radial-gradient(900px 600px at 85% 20%, rgba(255,72,164,.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));

  background-repeat:no-repeat;
  background-size:cover;
  transform:translateZ(0);
}

.container{max-width:1100px;margin:0 auto;padding:0 18px}
main{padding:28px 0 64px}

/* ===========================
   HEADER / NAV
   =========================== */
header{
  position:sticky;
  top:0;
  z-index:1000;
  background: rgba(7,10,18,.82);
  border-bottom:1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-weight:700;
  letter-spacing:.2px;
  flex:0 0 auto;
}

.badge{
  width:34px;
  height:34px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.08);
  border:1px solid var(--line);
  font-weight:800;
}

nav{min-width:0}
nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

nav li{position:relative}

nav a, nav button{
  border:1px solid transparent;
  background:transparent;
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  font-size:14px;
  text-decoration:none;
  cursor:pointer;
  white-space:nowrap;
}

nav a:hover, nav button:hover{background: rgba(255,255,255,.06)}
nav .active{
  background: rgba(122,162,255,.14);
  border:1px solid rgba(122,162,255,.25);
}

/* ===========================
   DROPDOWN (desktop)
   =========================== */
nav li.dropdown{position:relative}

nav li.dropdown .dropdown-menu{
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  left:auto;

  width:min(92vw, 420px);
  max-height:70vh;
  overflow:auto;

  background: rgba(11,18,36,.92);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px;
  box-shadow: 0 18px 40px rgba(0,0,0,.45);

  display:none;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
}

/* Prevent “skinny squeezed column” in dropdown */
nav li.dropdown .dropdown-menu a{
  display:grid;
  grid-template-columns: 1fr auto;
  align-items:center;
  column-gap:12px;

  padding:10px 10px;
  border-radius:12px;
  color:var(--text);
  text-decoration:none;
}

nav li.dropdown .dropdown-menu a:hover{background: rgba(255,255,255,.06)}

nav li.dropdown .dropdown-menu a span:first-child{
  min-width:0;
  white-space:normal;
  overflow-wrap:anywhere;
}

nav li.dropdown .dropdown-menu .num{
  color:var(--muted);
  font-variant-numeric: tabular-nums;
  white-space:nowrap;
}

li.dropdown.open .dropdown-menu{display:block}

/* ===========================
   MOBILE HAMBURGER + OVERLAY MENU
   =========================== */
.nav-toggle{
  display:none;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  font-size:16px;
}

/* Mobile breakpoint */
@media (max-width: 760px){
  header{ z-index: 9999; }
  header .container{ padding-left:14px; padding-right:14px; }

  /* show hamburger */
  .nav-toggle{ display:block; }

  /* keep hamburger pinned on top-right */
  .nav-toggle{
    position: fixed;
    top: 12px;
    right: 14px;
    z-index: 10000;
  }

  /* hide nav unless opened */
  header nav{
    display:none;
  }

  /* overlay panel (covers page) */
  header.nav-open nav{
    display:block;
    position: fixed;
    inset: 0;
    height: 100vh;
    padding: 64px 14px 18px;
    background: rgba(7,10,18,.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: auto;
    z-index: 9998;
  }

  /* vertical list */
  header.nav-open nav ul{
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  header.nav-open nav a,
  header.nav-open nav button{
    width:100%;
    text-align:left;
  }

  /* dropdown menus become collapsible sections in overlay */
  header.nav-open nav li.dropdown .dropdown-menu{
    position: static;
    width: 100%;
    max-height: none;
    overflow: visible;
    margin-top: 6px;
    background: rgba(255,255,255,.04);
    box-shadow: none;
    display: none; /* still collapsed until open */
    border-radius: 14px;
  }

  header.nav-open li.dropdown.open .dropdown-menu{
    display: block;
  }
}

/* ===========================
   PAGE CONTENT
   =========================== */
.hero{padding:26px 0 6px}
h1{margin:0 0 10px; font-size:34px; letter-spacing:-.02em}
p{margin:0 0 12px; color:var(--muted); line-height:1.6}

.breadcrumb{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:13px;
  margin-bottom:14px;
}
.breadcrumb a{color:var(--muted); text-decoration:none}
.breadcrumb a:hover{color:var(--text)}
.sep{opacity:.6}

.grid{
  display:grid;
  grid-template-columns:repeat(12, 1fr);
  gap:14px;
}

.card{
  grid-column:span 12;
  background: rgba(15,23,42,.55);
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
}

@media (min-width: 860px){
  .card.span6{grid-column: span 6}
  .card.span4{grid-column: span 4}
}

.card h2{margin:0 0 10px; font-size:18px}

.list{
  margin:0;
  padding-left:18px;
  color:var(--muted);
}
.list a{color:var(--text); text-decoration:none}
.list a:hover{text-decoration:underline}

.footer{
  border-top:1px solid var(--line);
  padding:16px 0;
  color:var(--muted);
  font-size:13px;
}
code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  font-size: 1em;         /* same size as surrounding text */
  line-height: inherit;   /* same line-height as surrounding text */
  letter-spacing: 0;
}

p code, li code, h1 code, h2 code, h3 code{
  font-size: 1em;
  line-height: inherit;
}

/* code blocks */
pre, pre code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  font-size: 0.95em;      /* optional: slightly smaller for blocks */
  line-height: 1.5;
}