:root{
  --bg:   #0a0a0b;
  --fg:   #c9c9c9;
  --dim:  #7a7a7a;
  --line: #2a2a2a;
  --accent: #7fae8e;
}

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

html{ background:var(--bg); }

body{
  background:var(--bg);
  color:var(--fg);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.col{
  max-width: 700px;
  margin: 0 auto;
  padding: 11.5vh 24px 10vh;
}

/* --- hero --- */

.hero{ margin-bottom: 8vh; }

.prompt{
  font-size: 13.5px;
  color: var(--dim);
  margin-bottom: 16px;
}

h1{
  font-size: 33px;
  font-weight: 500;
  letter-spacing: 0.015em;
  display:flex;
  align-items:baseline;
  gap: 2px;
}

.cursor{
  display:inline-block;
  width: 10px;
  height: 20px;
  background: var(--accent);
  margin-left: 4px;
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink{
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.tagline{
  color: var(--dim);
  font-size: 14.5px;
  margin-top: 10px;
}

.dim{ color: var(--dim); }

/* --- sections --- */

section{ margin: 6.5vh 0; }

.tag{
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.tag::before{ content: "# "; color: var(--dim); }

section p{
  max-width: 52ch;
  color: var(--fg);
}

.notes{ list-style:none; }
.notes li{
  padding-left: 18px;
  position: relative;
  margin: 6px 0;
  max-width: 52ch;
  color: var(--fg);
}
.notes li::before{
  content: "-";
  position: absolute;
  left: 0;
  color: var(--dim);
}

.links{ list-style:none; }
.links li{
  display:flex;
  gap: 16px;
  margin: 4px 0;
}
.links .k{
  color: var(--dim);
  width: 64px;
  flex-shrink: 0;
}
.links a{
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.links a:hover{
  color: var(--accent);
  border-bottom-color: var(--accent);
}

hr{
  border: none;
  border-top: 1px solid var(--line);
  width: 40px;
  margin: 0;
}

/* --- footer --- */

footer{
  margin-top: 10vh;
  display:flex;
  justify-content: space-between;
  color: var(--dim);
  font-size: 12px;
}

/* --- responsive --- */

@media (max-width: 480px){
  .col{ padding: 8vh 20px 7vh; }
  h1{ font-size: 27px; }
  .hero{ margin-bottom: 6.5vh; }
  section{ margin: 5vh 0; }
}