:root {
  --page: #111317;
  --panel: #191c22;
  --panel-soft: #15181d;
  --text: #d9dde5;
  --muted: #929baa;
  --heading: #f7f9fc;
  --accent: #58b9eb;
  --accent-hover: #8dd6f8;
  --line: #2e333c;
  --warm: #f0a35b;
  color-scheme: dark;
  font-family: "Segoe UI", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -20rem, #26303c 0, transparent 42rem),
    var(--page);
  font-size: 17px;
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration-color: rgba(88, 185, 235, 0.4);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-hover);
  text-decoration-color: currentColor;
}

.shell {
  width: min(calc(100% - 2rem), 1000px);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.85rem;
  color: #071116;
  background: var(--accent-hover);
  border-radius: 0.25rem;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(17, 19, 23, 0.86);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  flex: none;
  color: var(--heading);
  font-size: clamp(1.55rem, 4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.brand:hover {
  color: white;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav,
.social-nav {
  display: flex;
  align-items: center;
}

.site-nav {
  gap: 0.2rem;
}

.site-nav a {
  padding: 0.45rem 0.65rem;
  color: var(--muted);
  border-radius: 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--heading);
  background: #22262d;
}

.social-nav {
  gap: 0.7rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
}

.social-nav a {
  display: flex;
  width: 1.5rem;
  height: 1.5rem;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s, transform 0.15s;
}

.social-nav a:hover {
  color: var(--accent-hover);
  transform: translateY(-1px) scale(1.08);
}

.social-nav svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

main {
  padding-block: 2.25rem 4rem;
}

.content {
  min-height: 20rem;
  padding: clamp(1.5rem, 4vw, 3.25rem);
  overflow: hidden;
  overflow-wrap: anywhere;
  background: linear-gradient(145deg, rgba(30, 34, 41, 0.98), rgba(23, 26, 32, 0.98));
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
}

.content::after {
  display: block;
  clear: both;
  content: "";
}

.content > :first-child {
  margin-top: 0;
}

.content > :last-child {
  margin-bottom: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--heading);
  font-weight: 600;
  line-height: 1.25;
  text-wrap: balance;
}

h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  letter-spacing: -0.035em;
}

h2 {
  margin: 2.8rem 0 0.8rem;
  padding-top: 0.3rem;
  font-size: clamp(1.45rem, 3.5vw, 1.9rem);
  letter-spacing: -0.02em;
}

h3 {
  margin: 2.2rem 0 0.65rem;
  font-size: 1.3rem;
}

h4 {
  margin: 1.8rem 0 0.5rem;
  font-size: 1.08rem;
}

p,
ul,
ol,
blockquote {
  margin-block: 1rem;
}

ul,
ol {
  padding-left: 1.45rem;
}

li {
  padding-left: 0.2rem;
}

li + li {
  margin-top: 0.55rem;
}

li::marker {
  color: #687384;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 0.3rem;
}

.home .content > p:first-child {
  float: right;
  width: min(37%, 285px);
  margin: 0 0 1.8rem 2.75rem;
}

.home .content > p:first-child img {
  display: block;
  border: 1px solid #39404b;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.38);
}

blockquote {
  margin-inline: 0;
  padding: 0.25rem 1.2rem;
  color: #bcc2cc;
  background: var(--panel-soft);
  border-left: 3px solid var(--warm);
}

code {
  padding: 0.12em 0.35em;
  color: #e8edf4;
  background: #0e1014;
  border: 1px solid #292e36;
  border-radius: 0.25rem;
}

hr {
  margin-block: 2.75rem;
  border: 0;
  border-top: 1px solid var(--line);
}

.site-footer {
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-inner {
  display: flex;
  padding: 1.4rem 0 2.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
}

.footer-inner a {
  color: var(--muted);
}

.footer-inner a:hover {
  color: var(--accent-hover);
}

@media (max-width: 760px) {
  .header-inner {
    padding-block: 1.1rem;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
  }

  .header-links {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 16px;
  }

  .shell {
    width: min(calc(100% - 1.25rem), 1000px);
  }

  .header-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
  }

  .social-nav {
    padding-left: 0.65rem;
    border-left: 0;
  }

  main {
    padding-block: 0.65rem 2rem;
  }

  .content {
    padding: 1.35rem 1.1rem 1.8rem;
  }

  .home .content > p:first-child {
    float: none;
    width: min(72%, 260px);
    margin: 0 auto 1.75rem;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}