:root {
  --ink: #0d1b2e;
  --body: #22324a;
  --muted: #3b4b63;
  --paper: #f5f8fc;
  --paper-2: #e7eef7;
  --line: #c9d5e4;
  --dark: #0a1730;
  --dark-2: #122648;
  --cream: #f3f7fc;
  --on-dark: #c8d6ea;
  --teal: #19c3b1;
  --teal-ink: #08756b;
  --teal-soft: #d6f4ef;
  --amber: #f4b042;
  --focus: #19c3b1;
  --max: 1120px;
  --serif: "Fraunces", "Iowan Old Style", Palatino, serif;
  --sans: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: var(--sans);
  font-size: 1.06rem;
  line-height: 1.6;
  font-weight: 400;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--teal-ink); font-weight: 500; text-underline-offset: 0.22em; }
a:focus-visible, summary:focus-visible, button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
.wrap { width: min(var(--max), calc(100% - 2.5rem)); margin-inline: auto; }
.measure { max-width: 68ch; }

.site-header {
  background: var(--dark);
  color: var(--cream);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(25, 195, 177, 0.25);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.6rem;
}
.brand { display: flex; align-items: center; gap: 0.8rem; text-decoration: none; color: var(--cream); }
.brand-mark { width: 2.1rem; height: 2.1rem; flex: none; }
.brand-name {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}
.brand-co {
  display: block;
  margin-top: 0.25rem;
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav { display: flex; align-items: center; gap: 1.05rem; margin-left: auto; }
.nav a, .nav-mobile a { color: #e4ecf7; text-decoration: none; font-size: 0.98rem; font-weight: 500; }
.nav a:hover, .nav-mobile a:hover { color: var(--teal); }
.nav a[aria-current="page"], .nav-mobile a[aria-current="page"] { color: #fff; box-shadow: inset 0 -2px 0 var(--teal); }
.nav-drawer { display: none; }

.hero {
  background:
    radial-gradient(760px 420px at 88% -8%, rgba(25, 195, 177, 0.32), transparent 62%),
    radial-gradient(620px 380px at 4% 110%, rgba(84, 108, 255, 0.28), transparent 60%),
    var(--dark);
  color: var(--cream);
  padding: 5.5rem 0 4.5rem;
}
.kicker {
  margin: 0 0 1rem;
  color: var(--amber);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
}
h1, h2, h3 { color: var(--ink); font-family: var(--serif); font-weight: 600; letter-spacing: -0.03em; line-height: 1.08; }
.hero h1 { color: #fff; }
h1 { margin: 0 0 1rem; font-size: clamp(2.4rem, 5vw, 3.8rem); max-width: 18ch; }
.hero h1 { margin: 0; font-size: clamp(3rem, 7vw, 5.6rem); max-width: 14ch; }
.lede { margin: 1.4rem 0 0; font-size: 1.25rem; max-width: 42rem; color: var(--ink); }
.hero .lede { color: var(--on-dark); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }
.hero-actions a {
  display: inline-block;
  padding: 0.75rem 1.3rem;
  border: 1px solid var(--teal);
  border-radius: 4px;
  color: var(--cream);
  font-weight: 600;
  text-decoration: none;
}
.hero-actions a:first-child { background: var(--teal); color: var(--dark); }
.hero-actions a:hover { filter: brightness(1.08); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 3rem;
  align-items: center;
}
.hero-grid h1 { font-size: clamp(2.8rem, 5.2vw, 4.6rem); }
.code-card {
  margin: 0;
  background: #071226;
  border: 1px solid rgba(25, 195, 177, 0.35);
  border-radius: 10px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}
.code-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1rem;
  background: #0f1f3d;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.dot { width: 0.65rem; height: 0.65rem; border-radius: 50%; background: #2c4068; }
.code-title { margin-left: 0.6rem; color: var(--on-dark); font-size: 0.85rem; font-weight: 500; }
.code-insight {
  margin: 0;
  padding: 1rem 1.1rem;
  color: #fff;
  background: #0b1a34;
  font-size: 1rem;
  line-height: 1.45;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.code-insight strong { color: var(--amber); font-weight: 600; }
.code-card pre {
  margin: 0;
  padding: 0.9rem 1.1rem;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #dbe6f5;
  overflow-x: auto;
}
.code-req { background: #0b1a34; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.c-verb { color: var(--teal); font-weight: 700; }
.c-key { color: #8fb8ff; }
.c-str { color: #9fe6c9; }
.c-num { color: var(--amber); }
.c-null { color: #ff9b8a; }
.code-card figcaption {
  padding: 0.6rem 1.1rem 0.8rem;
  color: #9fb2cc;
  font-size: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.section { padding: 4.5rem 0; }
.section h2 { font-size: clamp(2rem, 4vw, 3.1rem); margin: 0 0 1rem; }
.section p { margin: 0 0 1rem; }
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.split article {
  padding: 2.2rem 2rem 2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--teal);
  border-radius: 6px;
}
.split article + article { border-top-color: var(--amber); }
.split h2 { font-size: 2.2rem; }
.tag {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--teal-ink);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.76rem;
}
.band {
  background: linear-gradient(100deg, #0b5f63, #0f3f6e);
  color: #f2fbfa;
  padding: 2.4rem 0;
  font-weight: 500;
}
.band p { margin: 0; max-width: 70ch; }
.plain-list { margin: 0; padding: 0; list-style: none; }
.plain-list li { padding: 0.9rem 0; border-top: 1px solid var(--line); }
.plain-list strong { display: block; color: var(--ink); font-weight: 600; }

table { width: 100%; border-collapse: collapse; font-size: 1rem; background: #fff; }
th, td { text-align: left; vertical-align: top; padding: 0.8rem 0.9rem; border-bottom: 1px solid var(--line); color: var(--body); }
td:first-child { color: var(--ink); font-weight: 600; white-space: nowrap; }
th { background: var(--paper-2); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 2rem; }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.cards-4 h3 { font-size: 1.35rem; }
.roadmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 1.6rem; }
.roadmap article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.4rem 1.3rem 1.2rem;
}
.roadmap h3 { margin: 0 0 0.8rem; font-size: 1.45rem; }
.roadmap ul { margin: 0; padding-left: 1.1rem; }
.roadmap li { margin: 0.35rem 0; }
.status-dev { background: #fff1d6; color: #8a5a08; }
.status-plan { background: var(--paper-2); color: var(--muted); }
.compare td:first-child, .compare th:first-child { white-space: normal; }
.section-link { margin-top: 1.4rem; font-weight: 600; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--teal);
  border-radius: 6px;
  padding: 1.5rem 1.4rem 1.3rem;
  color: var(--body);
}
.card h3 { margin: 0 0 0.6rem; font-size: 1.7rem; }
.status {
  display: inline-block;
  margin-bottom: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  background: var(--teal-soft);
  color: #05544d;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.meta { color: var(--muted); font-size: 0.96rem; font-weight: 500; }

.site-footer {
  background: var(--dark);
  color: var(--on-dark);
  padding: 2.2rem 0 2.6rem;
  font-size: 0.95rem;
}
.footer-row { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.site-footer a { color: #e4ecf7; }
.site-footer a:hover { color: var(--teal); }
.site-footer nav { display: flex; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 1100px) {
  .cards-4 { grid-template-columns: 1fr 1fr; }
  .roadmap { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
  .nav { display: none; }
  .nav-drawer { display: block; margin-left: auto; position: static; }
  .nav-toggle {
    display: block;
    color: var(--cream);
    cursor: pointer;
    list-style: none;
  }
  .nav-toggle::-webkit-details-marker { display: none; }
  .nav-mobile {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--dark-2);
    padding: 0.4rem 1.25rem 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }
  .nav-drawer[open] .nav-mobile { display: flex; }
  .split, .cards, .cards-4, .hero-grid, .roadmap { grid-template-columns: 1fr; }
  .hero-grid { gap: 2rem; }
  .hero { padding: 3.4rem 0 3rem; }
  h1 { font-size: 2.7rem; }
}