:root {
  --bg: #0e1116;
  --panel: #161c24;
  --fg: #e6edf3;
  --muted: #8b98a5;
  --line: #26303b;
  --accent: #4cc9f0;
  --accent-2: #f4a261;
  --max-width: 960px;
  --gap1: 18px;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(76, 201, 240, 0.12), transparent 60%),
    var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
}

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

a:hover {
  color: #8ee6ff;
}

.wrap {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(14, 17, 22, 0.88);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
}

.brand {
  color: var(--fg);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav li {
  margin: 0;
}

.site-nav a {
  display: inline-block;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-nav a:hover {
  border-color: var(--accent);
  color: var(--fg);
  text-decoration: none;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 0 64px;
}

.hero {
  padding: 8px 0 20px;
}

h1 {
  margin: 0.15em 0 0.5em;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  letter-spacing: -0.025em;
  line-height: 1.05;
  background: linear-gradient(92deg, var(--fg), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  margin: 0;
  color: var(--accent-2);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.lede {
  color: #c4cfd9;
  font-size: 1.14rem;
}

.panel {
  margin-top: 28px;
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--panel), rgba(22, 28, 36, 0.55));
}

h2 {
  margin: 0 0 0.55em;
  font-size: 1.55rem;
  line-height: 1.25;
}

h3 {
  margin: 1.7em 0 0.35em;
  color: var(--accent);
  font-size: 1.15rem;
}

h4 {
  margin: 1.4em 0 0.3em;
  color: var(--accent-2);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

p {
  margin: 0 0 1.1em;
  color: #d5dee7;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

blockquote {
  margin: 1.6em 0;
  padding: 14px 20px;
  border-left: 3px solid var(--accent-2);
  border-radius: 0 10px 10px 0;
  background: rgba(244, 162, 97, 0.08);
  color: var(--muted);
}

ul,
ol {
  padding-left: 1.25em;
}

.panel-inner {
  margin-top: 1.5em;
  padding-top: 1.2em;
  border-top: 1px solid var(--line);
}

.site-footer {
  padding: 26px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 640px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  main {
    padding: 36px 0 48px;
  }

  .panel {
    padding: 22px 18px;
  }
}