:root {
  color-scheme: dark;
  --bg: #0b0e11;
  --surface: #12171c;
  --ink: #edf1f4;
  --muted: #a9b3bd;
  --faint: #74808c;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #ff8a5c;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 8%, rgba(255, 138, 92, 0.1), transparent 28rem),
    var(--bg);
  font-family: "Instrument Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.shell {
  width: min(100% - 2rem, 48rem);
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.language-switcher {
  display: inline-flex;
  gap: 0.18rem;
  padding: 0.22rem;
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  background: rgba(18, 23, 28, 0.82);
}

.language-switcher button {
  min-width: 2.1rem;
  padding: 0.38rem 0.42rem;
  border: 0;
  border-radius: 0.5rem;
  color: var(--faint);
  background: transparent;
  font: inherit;
  font-size: 0.66rem;
  font-weight: 700;
  cursor: pointer;
}

.language-switcher button[aria-pressed="true"] {
  color: #17110d;
  background: var(--accent);
}

.brand {
  font-family: "Unbounded", system-ui, sans-serif;
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand span {
  color: var(--accent);
}

.back {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  text-underline-offset: 0.22rem;
}

main {
  padding-block: clamp(3.5rem, 9vw, 7rem);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: "Unbounded", system-ui, sans-serif;
}

h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.3rem, 8vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.intro {
  max-width: 42rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.updated {
  margin: 1rem 0 0;
  color: var(--faint);
  font-size: 0.78rem;
}

.content {
  display: grid;
  gap: 2.4rem;
  margin-top: clamp(3.5rem, 8vw, 6rem);
}

.content section {
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.05rem, 3vw, 1.35rem);
  line-height: 1.35;
}

p,
li {
  color: var(--muted);
  line-height: 1.75;
}

p {
  margin: 0.75rem 0 0;
}

ul {
  margin: 0.8rem 0 0;
  padding-left: 1.2rem;
}

li + li {
  margin-top: 0.5rem;
}

.contact-card {
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: rgba(18, 23, 28, 0.72);
}

.contact-card a {
  color: var(--ink);
  font-weight: 700;
  text-underline-offset: 0.22rem;
}

footer {
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.76rem;
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 1.25rem, 48rem);
  }

  main {
    padding-top: 2.5rem;
  }

  .back {
    display: none;
  }
}