:root{
  --bg:#050816;
  --panel:rgba(255,255,255,0.06);
  --border:rgba(255,255,255,0.12);
  --text:#e5e7eb;
  --muted:#9ca3af;
  --accent:#38bdf8;
  --accent2:#a78bfa;
}

/* RESET */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

/* BASE */
body{
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
}

/* BACKGROUND GLOW */
.bg{
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(circle at 20% 20%, rgba(56,189,248,0.14), transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(167,139,250,0.14), transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(34,197,94,0.08), transparent 40%);
}

/* LAYOUT */
.container{
  max-width:1100px;
  margin:auto;
  padding:64px 24px;
}

/* NAV */
nav{
  position:sticky;
  top:0;
  backdrop-filter:blur(14px);
  background:rgba(5,8,22,0.7);
  border-bottom:1px solid var(--border);
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 24px;
  z-index:100;
}

nav a{
  color:var(--muted);
  margin-left:14px;
  text-decoration:none;
  font-size:0.95rem;
  transition:0.2s ease;
}

nav a:hover{
  color:var(--text);
}

/* TYPOGRAPHY */
h1{
  font-size:3.4rem;
  line-height:1.05;
  letter-spacing:-0.03em;
}

h2{
  font-size:1.8rem;
  margin-bottom:14px;
  letter-spacing:-0.02em;
}

p{
  color:var(--muted);
  max-width:720px;
  font-size:1.05rem;
}

/* ACCENT TEXT */
.gradient{
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* CARDS */
.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  padding:20px;
  transition:all .2s ease;
  backdrop-filter:blur(10px);
}

.card:hover{
  transform:translateY(-4px);
  border-color:rgba(56,189,248,0.4);
}

/* GRID */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
}

/* BUTTONS */
.btn{
  display:inline-block;
  padding:12px 16px;
  border-radius:12px;
  font-weight:600;
  text-decoration:none;
  transition:0.2s ease;
}

.primary{
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  color:white;
}

.secondary{
  border:1px solid var(--border);
  color:var(--text);
  background:rgba(255,255,255,0.03);
}

.btn:hover{
  transform:translateY(-2px);
}

/* LINKS (DARK MODE FIX — IMPORTANT) */
a{
  color:var(--accent);
  text-decoration:none;
  transition:0.2s ease;
}

a:hover{
  color:white;
  text-decoration:underline;
}

a:visited{
  color:#7dd3fc;
}

/* links inside cards */
.card a{
  color:var(--text);
}

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

/* SECTION SPACING */
section{
  margin:90px 0;
}