:root {
  --bg: #0b0f14;
  --panel: #121821;
  --line: #1f2a37;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #4fd1c5;
  --accent-2: #7aa2ff;
  --max: 1080px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

header.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 15, 20, .85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: .2px; }
.logo:hover { text-decoration: none; }
.logo svg { width: 28px; height: 28px; }
nav a { color: var(--muted); margin-left: 24px; font-size: 15px; }
nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 112px 0 88px; }
.eyebrow { color: var(--accent); font-size: 14px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; }
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.1; margin: 16px 0 20px; max-width: 820px; }
.hero h1 span { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 19px; max-width: 640px; margin: 0 0 32px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; }
.btn.primary { background: var(--accent); color: #062421; }
.btn.ghost { border: 1px solid var(--line); color: var(--text); margin-left: 10px; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }

section { padding: 72px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 30px; margin: 0 0 12px; }
section .lead { color: var(--muted); max-width: 640px; margin: 0 0 40px; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
.card h3 { margin: 14px 0 8px; font-size: 19px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; }
.icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(79, 209, 197, .12); color: var(--accent); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.stat b { display: block; font-size: 38px; }
.stat span { color: var(--muted); font-size: 14px; }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.steps li { counter-increment: s; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px 20px 70px; position: relative; }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 22px; top: 19px; color: var(--accent); font-weight: 700; }
.steps li strong { display: block; margin-bottom: 4px; }
.steps li span { color: var(--muted); font-size: 15px; }

.posts { display: grid; gap: 16px; }
.post { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; color: var(--text); }
.post:hover { border-color: var(--accent); text-decoration: none; }
.post time { color: var(--muted); font-size: 13px; }
.post h3 { margin: 6px 0; }
.post p { margin: 0; color: var(--muted); font-size: 15px; }

.contact { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; background: linear-gradient(135deg, rgba(79,209,197,.12), rgba(122,162,255,.10)); border: 1px solid var(--line); border-radius: 18px; padding: 40px; }
.contact h2 { margin: 0 0 6px; }
.contact p { margin: 0; color: var(--muted); }

article.page { padding: 72px 0; max-width: 720px; }
article.page h1 { font-size: 38px; line-height: 1.2; margin: 8px 0 12px; }
article.page .meta { color: var(--muted); font-size: 14px; margin-bottom: 36px; }
article.page h2 { font-size: 24px; margin-top: 40px; }
article.page p, article.page li { color: #c9d4df; }
article.page pre { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; overflow-x: auto; font-size: 14px; }
article.page code { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; }

footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

@media (max-width: 640px) {
  nav a { margin-left: 14px; font-size: 14px; }
  nav a.hide-sm { display: none; }
  .hero { padding: 72px 0 56px; }
  .btn.ghost { margin: 10px 0 0; }
  .contact { padding: 28px; }
}