:root {
  --bg: #04060c;
  --bg-2: #070a12;
  --panel: rgba(8, 11, 19, 0.72);
  --ink: #eef2f8;
  --muted: rgba(238, 242, 248, 0.62);
  --faint: rgba(238, 242, 248, 0.4);
  --line: rgba(255, 255, 255, 0.1);
  --blue: #0b3d78;
  --blue-lite: #2f7ad6;
  --red: #ff3a1f;
  --red-deep: #e01f13;
  --max: 1560px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-weight: 300;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

img {
  display: block;
  max-width: 100%;
}

.mono {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 50;
  padding: 10px 16px;
  background: var(--red);
  color: #fff;
  font-weight: 500;
  border-radius: 6px;
  transition: top 0.2s ease;
}

.skip:focus {
  top: 12px;
}

/* ---------- header ---------- */
.lg-head {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(4, 6, 12, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.lg-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.lg-brand img {
  height: 34px;
  width: auto;
}

.lg-brand span {
  font-family: Archivo, sans-serif;
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 15px;
}

.lg-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
}

.lg-nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  transition: color 0.2s ease;
}

.lg-nav a:hover {
  color: var(--ink);
  text-decoration: none;
}

.lg-langs {
  display: flex;
  gap: 6px;
}

.lg-langs button {
  background: none;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lg-langs button:hover {
  color: var(--ink);
  border-color: var(--faint);
}

.lg-langs button.is-active {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

/* ---------- main / article ---------- */
.lg-main {
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 8vw, 110px) clamp(20px, 4vw, 56px) clamp(64px, 8vw, 120px);
}

.lg-article {
  max-width: 780px;
  margin: 0 auto;
}

.lg-kicker {
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  color: var(--red);
  margin-bottom: 18px;
}

.lg-article h1 {
  font-family: Archivo, sans-serif;
  font-weight: 800;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.lg-article h2 {
  font-family: Archivo, sans-serif;
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  margin: 44px 0 14px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  letter-spacing: -0.01em;
}

.lg-article h3 {
  font-family: Archivo, sans-serif;
  font-weight: 700;
  font-size: 17px;
  margin: 26px 0 10px;
}

.lg-article p {
  color: var(--muted);
  margin-bottom: 16px;
}

.lg-article strong {
  color: var(--ink);
  font-weight: 500;
}

.lg-article ul,
.lg-article ol {
  margin: 0 0 18px;
  padding-left: 22px;
  color: var(--muted);
}

.lg-article li {
  margin-bottom: 8px;
}

.lg-article a {
  color: var(--blue-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.lg-meta {
  margin-top: 40px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--faint);
  font-size: 13px;
}

.lg-meta p {
  margin-bottom: 6px;
}

.lg-meta p:last-child {
  margin-bottom: 0;
}

/* ---------- footer ---------- */
.lg-foot {
  border-top: 1px solid var(--line);
  padding: 26px clamp(20px, 4vw, 56px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
}

.lg-foot p {
  color: var(--faint);
  font-size: 12px;
}

.lg-foot nav {
  display: flex;
  gap: 18px;
  margin-left: auto;
}

.lg-foot nav a {
  color: var(--muted);
}

.lg-foot nav a:hover {
  color: var(--ink);
}

@media (max-width: 720px) {
  .lg-nav {
    display: none;
  }
  .lg-langs {
    margin-left: auto;
  }
  .lg-foot nav {
    margin-left: 0;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}