/* --- Base --- */
:root{
  --bg:#0f172a;
  --panel:#0b1224;
  --text:#e5e7eb;
  --muted:#cbd5f5;
  --muted2:#94a3b8;
  --border:#1e293b;
  --accent:#38bdf8;
}

* { box-sizing: border-box; }

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background-color:var(--bg);
  color:var(--text);
  line-height:1.6;
}

a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* --- Layout --- */
.container{
  max-width:900px;
  margin:0 auto;
  padding:64px 24px 80px;
}

h1,h2,h3{
  color:#f8fafc;
  font-weight:500;
}

h1{ font-size:2.5rem; margin:0 0 16px; }
h2{ margin-top:60px; margin-bottom:16px; }

p,li{
  color:var(--muted);
  max-width:820px;
}

ul{ padding-left:20px; }

/* --- Navigation --- */
nav{
  background-color:var(--bg);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:1000;
}

.nav-container{
  max-width:1100px;
  margin:0 auto;
  padding:16px 24px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.logo{
  color:#f8fafc;
  font-weight:500;
  letter-spacing:0.5px;
}

.nav-links a{
  margin-left:24px;
  color:var(--muted);
  text-decoration:none;
  font-size:0.95rem;
}
.nav-links a:hover{ color:var(--accent); }

/* --- Cards / Panels --- */
.grid{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}

.card, .project, .step{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px 18px 16px;
}

.card h3{ margin:0 0 8px; font-size:1.1rem; }
.card p{ margin:0; }

.project{ margin-top:22px; }
.meta{ font-size:0.9rem; color:var(--muted2); margin-top:6px; }

.tags{
  margin-top:12px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.btn{
display:inline-block;
padding:10px 14px;
border-radius:12px;
border:1px solid var(--border);
background:var(--panel);
color:var(--muted);
text-decoration:none;
margin-right:10px;
}
.btn:hover{ border-color: var(--accent); color: #f8fafc; text-decoration:none; }


.btn-secondary{
background: transparent;
}

.tag{
  font-size:0.82rem;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  color:var(--muted);
}

/* --- Steps --- */
.steps{
  margin-top:26px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}

.badge{
  display:inline-block;
  font-size:0.85rem;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  color:var(--muted);
  margin-bottom:10px;
}

/* --- Footer --- */
footer{
  margin-top:90px;
  padding-top:36px;
  border-top:1px solid var(--border);
  font-size:0.9rem;
  color:var(--muted2);
}

/* --- Responsive --- */
@media (max-width:800px){
  h1{ font-size:2rem; }
  .grid{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }

  .nav-container{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
  }
  .nav-links a{
    margin-left:0;
    margin-right:18px;
    display:inline-block;
  }
}