:root {
  color-scheme: dark;
  --bg: #071014;
  --bg-soft: #0e1b22;
  --panel: #14252e;
  --panel-strong: #19313b;
  --text: #f2fbf8;
  --muted: #b7ccc7;
  --line: #284650;
  --accent: #47d8b0;
  --accent-2: #83b7ff;
  --warm: #f0cf7a;
  --shadow: rgba(0, 0, 0, 0.34);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 0%, rgba(71, 216, 176, 0.16), transparent 28rem),
    radial-gradient(circle at 88% 8%, rgba(131, 183, 255, 0.14), transparent 24rem),
    linear-gradient(180deg, rgba(7, 16, 20, 0.2), var(--bg) 42rem),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: 0.65rem 0.9rem;
  border-radius: 0.35rem;
  background: var(--text);
  color: var(--bg);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid rgba(71, 216, 176, 0.16);
  background: rgba(7, 16, 20, 0.88);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-weight: 780;
  text-decoration: none;
}

.brand img {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border-radius: 0.45rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
}

.nav-links a {
  padding: 0.45rem 0.65rem;
  border-radius: 0.35rem;
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus,
.nav-links a[aria-current="page"] {
  background: rgba(71, 216, 176, 0.12);
  color: var(--text);
  outline: none;
}

.hero {
  padding: clamp(4.5rem, 11vw, 8rem) 1rem clamp(3.5rem, 7vw, 6rem);
}

.hero-inner,
.content-grid,
.split,
.article {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero-inner {
  max-width: 940px;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--warm);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.15rem;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.article h1 {
  max-width: 15ch;
  font-size: clamp(2.5rem, 7vw, 5.2rem);
}

h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.1;
  letter-spacing: 0;
}

p,
li {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.lede {
  max-width: 62rem;
  color: var(--text);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.34;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  color: var(--text);
  font-weight: 740;
  text-decoration: none;
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #061015;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
}

.band {
  padding: 4rem 1rem;
  border-block: 1px solid rgba(71, 216, 176, 0.13);
  background: rgba(14, 27, 34, 0.74);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.panel,
.callout {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: 0 1rem 3rem var(--shadow);
}

.panel h2 {
  font-size: 1.4rem;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.stack > * + * {
  margin-top: 1rem;
}

.article {
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.article section {
  margin-top: 2.5rem;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip-grid span {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.reading-list {
  padding-left: 1.5rem;
}

.reading-list a {
  color: var(--text);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 0.12rem;
  text-underline-offset: 0.2rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(71, 216, 176, 0.16);
}

.site-footer p {
  margin: 0;
  font-size: 0.95rem;
}

.site-footer a {
  color: var(--text);
}

@media (max-width: 780px) {
  .nav,
  .split {
    display: block;
  }

  .nav-links {
    justify-content: flex-start;
    margin-top: 0.8rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 12ch;
  }
}