/* --- Base, colors, type --- */
:root{
  --black:#000000;
  --char:#0b0b0b;
  --ink:#101010;
  --gold:#c5a34b;       /* darker, more natural */
  --gold-soft:#b6913e;
  --muted:#b8c0cc;
  --panel:#0d0d0d;
  --side-grad-start:#1a1408; /* blends with crest */
  --side-grad-end:#0b0b0b;
  --ring:#2b2b2b;
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--black);
  color:#e9edf2;
  font:16px/1.55 "Manrope", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

/* Headings use a classic serif for finance tone */
h1,h2,h3{
  font-family:"Cormorant Garamond", Georgia, "Times New Roman", serif;
  font-weight:700;
  letter-spacing:.3px;
  color:var(--gold);
  margin:0 0 .6rem 0;
}
p{margin:.8rem 0 0 0}

/* --- Layout --- */
.shell{
  display:grid;
  grid-template-columns: 280px minmax(0,1fr);
  min-height:100vh;
  background:var(--black);
}

@media (max-width:980px){
  .shell{grid-template-columns: 80px minmax(0,1fr);}
}

/* Sidebar */
.sidebar{
  position:sticky; top:0;
  min-height:100vh;
  background:linear-gradient(180deg,var(--side-grad-start),var(--side-grad-end));
  border-right:1px solid #151515;
  padding:28px 18px;
  display:flex; flex-direction:column; align-items:center; gap:22px;
}
.brand{
  width:172px; aspect-ratio:1/1; border-radius:16px;
  background:#0e0e0e; display:flex; align-items:center; justify-content:center;
  padding:14px;
  box-shadow:0 0 0 1px #171717, 0 6px 22px rgba(0,0,0,.45);
}
.brand img{max-width:100%; height:auto; display:block}

/* Collapse */
.collapse-btn{
  align-self:flex-end;
  border:1px solid var(--ring);
  background:#0f0f0f; color:#ddd;
  padding:6px 10px; border-radius:10px; cursor:pointer;
}
.nav{
  width:100%; display:flex; flex-direction:column; gap:6px; margin-top:10px;
}
.nav a{
  display:block; width:100%;
  text-align:left;
  text-decoration:none;
  color:#d6cdb3;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid transparent;
  font-weight:600;
}
.nav a.active{background:#0f0f0f; border-color:#1d1d1d; color:#fff}
.nav a:hover{background:#111; border-color:#202020}

/* Collapsed */
.sidebar.is-collapsed{padding:18px 8px}
.sidebar.is-collapsed .brand{width:54px; border-radius:12px; padding:6px}
.sidebar.is-collapsed .collapse-btn{padding:6px 8px}
.sidebar.is-collapsed .nav a{
  overflow:hidden; white-space:nowrap; text-overflow:clip;
  padding:10px 8px;
}
.sidebar.is-collapsed .nav a span{display:none}

/* Main */
.main{
  position:relative;
  background:var(--black);
}
.content-wrap{
  min-height:100vh;
  display:flex; align-items:center; justify-content:center;
  padding:64px 20px;
}
.content{
  width:min(900px,92vw);
  background:transparent;
  animation:slideDown .5s ease-out both;
}
@keyframes slideDown{
  from{opacity:0; transform:translateY(-14px)}
  to{opacity:1; transform:translateY(0)}
}

.lead{font-size:1.125rem; color:#dde3ea}
.subtle{color:#9aa3ad}

hr.line{border:0; border-top:1px solid #171717; margin:18px 0}

/* Links + buttons */
a{color:#b0abff}
a:hover{text-decoration:none}

/* Blog cards */
.grid{display:grid; gap:16px}
@media (min-width:880px){ .grid{grid-template-columns:1fr 1fr} }
.card{
  border:1px solid #151515; border-radius:14px; padding:18px 16px;
  background:#0d0d0d;
}
.card h3{margin:0 0 .25rem 0}
.card p{margin:.4rem 0 0 0}
.card .meta{color:#9aa3ad; font-size:.9rem}

/* Expandable article */
.article{
  margin-top:.8rem; padding-top:.8rem; border-top:1px dashed #222; display:none;
}
.toggle{
  margin-top:.8rem; display:inline-block; cursor:pointer; font-weight:700; color:var(--gold)
}
.toggle:hover{text-decoration:underline}

/* Footer line */
.footer{
  margin-top:24px; color:#a8b0bb; font-size:.92rem;
}

/* Welcome headline size bump */
.welcome h1{font-size:clamp(34px,5vw,52px)}