css for this madness?

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

body {
  font-family: Arial, sans-serif;
  background: #111;
  color: white;
  text-align: center;
}

header {
  padding: 1.3rem;
  border-bottom: 1px solid #333;
}

.logo {
  width: 110px;
  display: block;
  margin: 0 auto 0.7rem;
}

nav a {
  margin: 0 0.8rem;
  color: #7cb8ff;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  color: white;
}

main {
  padding: 3rem 1rem;
}

h1 {
  font-size: 3.2rem;
  font-weight: 700;
}

p {
  font-size: 1.2rem;
  margin-top: 0.7rem;
}

.buttons {
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  background: #007bff;
  padding: 1rem 2rem;
  border-radius: 9px;
  color: white;
  text-decoration: none;
  margin: 0.4rem;
  font-weight: 600;
  transition: 0.15s;
}

.btn:hover {
  background: #0056b3;
}

footer {
  margin-top: 4rem;
  padding: 1.5rem;
  border-top: 1px solid #333;
  color: #888;
}

iframe {
  margin-top: 2rem;
  display: block;  
  margin-left: auto;
  margin-right: auto;
}

background: linear-gradient(180deg, #0b0b0d, #1a051f);

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 9px;
  color: white;
  text-decoration: none;
  margin: 0.4rem;
  font-weight: 600;
  transition: 0.15s ease;
  background: linear-gradient(135deg, #8a3df0, #5c00b8);
}

.btn:hover {
  background: linear-gradient(135deg, #9f55ff, #6e00d8);
}

.staff-box {
  margin: 2rem auto;
  padding: 1rem 1.5rem;
  width: fit-content;
  border: 1px solid #333;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
}

.support-btn {
  margin-top: 1.5rem;
}

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

:root {
  --bg: #0b0b0d;
  --bg-soft: #121218;
  --text: #e6e6e6;
  --muted: #9a9a9a;
  --accent: #7cb8ff;
  --border: #2a2a2a;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: linear-gradient(180deg, #0b0b0d, #120015);
  color: var(--text);
  line-height: 1.7;
}

.site-header {
  padding: 1.2rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.site-header .logo {
  width: 96px;
  display: block;
  margin: 0 auto;
}

.post {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

.post-header {
  margin-bottom: 2.2rem;
}

.post-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 0.7rem;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.meta-sep {
  opacity: 0.5;
}

.post-author .author-name {
  color: var(--text);
  font-weight: 600;
}

.md {
  font-size: 1.05rem;
}

.md p {
  margin: 1.25rem 0;
}

.md h2,
.md h3 {
  margin-top: 3rem;
  margin-bottom: 0.7rem;
  position: relative;
  scroll-margin-top: 5rem;
}

.md h2 {
  font-size: 1.85rem;
}

.md h3 {
  font-size: 1.45rem;
}

.md a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.md a:hover {
  color: #fff;
}

a.external::after {
  content: "↗";
  font-size: 0.75em;
  margin-left: 0.25em;
  opacity: 0.55;
}

.link-copy {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.85rem;
  cursor: pointer;
  margin-left: 0.4rem;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.md h2:hover .link-copy,
.md h3:hover .link-copy {
  opacity: 1;
}

.link-copy:hover {
  color: var(--text);
}

.site-footer {
  padding: 0.9rem 1rem;
  font-size: 0.75rem;
  color: #777;
  border-top: 1px solid var(--border);
  text-align: center;
}