:root {
  --bg: #f6f6f3;
  --bg-elev: #ffffff;
  --ink: #16181c;
  --muted: #5c636d;
  --line: #d8dce1;
  --accent: #0b6bcb;
  --accent-ink: #ffffff;
  --accent-soft: #e8f1fb;
  --code-bg: #0f1419;
  --code-ink: #e6edf3;
  --shadow: 0 1px 2px rgb(16 24 40 / 4%), 0 10px 30px rgb(16 24 40 / 5%);
  --radius: 14px;
  --max: 1080px;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0f13;
    --bg-elev: #12171d;
    --ink: #e6edf3;
    --muted: #98a2ad;
    --line: #26303a;
    --accent: #6cb6ff;
    --accent-ink: #0b0f14;
    --accent-soft: #10243a;
    --shadow: 0 1px 2px rgb(0 0 0 / 35%), 0 12px 34px rgb(0 0 0 / 28%);
  }
}

.theme-utplsql {
  --accent: #0b6bcb;
  --accent-ink: #ffffff;
  --accent-soft: #e8f1fb;
}
.theme-isis-lib {
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: #e6f4f1;
}
.theme-isis-service {
  --accent: #6d28d9;
  --accent-ink: #ffffff;
  --accent-soft: #f1eafd;
}
.theme-flask {
  --accent: #0b7285;
  --accent-ink: #ffffff;
  --accent-soft: #e4f4f7;
}
.theme-robyn {
  --accent: #5b21b6;
  --accent-ink: #ffffff;
  --accent-soft: #efe9fb;
}

@media (prefers-color-scheme: dark) {
  .theme-utplsql {
    --accent: #6cb6ff;
    --accent-ink: #0b0f14;
    --accent-soft: #10243a;
  }
  .theme-isis-lib {
    --accent: #5eead4;
    --accent-ink: #0b0f14;
    --accent-soft: #0d2b28;
  }
  .theme-isis-service {
    --accent: #c4b5fd;
    --accent-ink: #0b0f14;
    --accent-soft: #241a3d;
  }
  .theme-flask {
    --accent: #67e8f9;
    --accent-ink: #0b0f14;
    --accent-soft: #0b2a31;
  }
  .theme-robyn {
    --accent: #c4b5fd;
    --accent-ink: #0b0f14;
    --accent-soft: #241a3d;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--bg);
  padding: 0.7rem 1rem;
  border-radius: 0 0 8px 0;
  font-weight: 600;
}

.skip-link:focus {
  left: 0;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.9rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

main {
  display: block;
}

.hero {
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2rem, 4vw, 3rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(250px, 0.65fr);
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: end;
}

.eyebrow {
  display: block;
  margin: 0 0 0.65rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 5.4vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.lead {
  max-width: 64ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.7vw, 1.2rem);
  text-wrap: pretty;
}

.lead strong {
  color: var(--ink);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.27rem 0.68rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.25;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.55rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.6rem;
  padding: 0.62rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg-elev);
  color: var(--ink);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 620;
  text-decoration: none;
  transition: transform 0.14s ease, border-color 0.14s ease, background-color 0.14s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn.primary:hover {
  filter: brightness(1.04);
}

.btn.ghost {
  background: transparent;
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
}

.hero-panel .bar {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.8rem;
}

.hero-panel .dot {
  width: 0.52rem;
  height: 0.52rem;
  border-radius: 50%;
  background: var(--line);
}

.hero-panel .dot:first-child {
  background: var(--accent);
}

.hero-panel p {
  margin: 0;
}

.hero-panel .key {
  color: var(--ink);
}

.section {
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-head h2 {
  margin: 0;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

h2 {
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h3 {
  letter-spacing: -0.015em;
}

.featured {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.55fr);
  gap: clamp(1.2rem, 3vw, 2rem);
  align-items: center;
  padding: clamp(1.25rem, 3.5vw, 2rem);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: calc(var(--radius) + 3px);
  background: var(--bg-elev);
  box-shadow: var(--shadow);
}

.featured .kicker {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

.featured h3 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
}

.featured p {
  margin: 0;
  color: var(--muted);
}

.featured-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.featured-visual img {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.featured-visual span {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
  gap: 1rem;
}

.card {
  --card-accent: var(--accent);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 100%;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--card-accent);
  border-radius: var(--radius);
  background: var(--bg-elev);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  transition: transform 0.14s ease, border-color 0.14s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--card-accent);
}

.card.utplsql {
  --card-accent: #0b6bcb;
}
.card.isis-lib {
  --card-accent: #0f766e;
}
.card.isis-service {
  --card-accent: #6d28d9;
}
.card.flask {
  --card-accent: #0b7285;
}
.card.robyn {
  --card-accent: #5b21b6;
}

@media (prefers-color-scheme: dark) {
  .card.utplsql {
    --card-accent: #6cb6ff;
  }
  .card.isis-lib {
    --card-accent: #5eead4;
  }
  .card.isis-service {
    --card-accent: #c4b5fd;
  }
  .card.flask {
    --card-accent: #67e8f9;
  }
  .card.robyn {
    --card-accent: #c4b5fd;
  }
}

.card .mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.card .kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.71rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.card h3 {
  margin: 0;
  font-size: 1.12rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card .more {
  margin-top: auto;
  padding-top: 0.35rem;
  font-weight: 650;
  font-size: 0.87rem;
  color: var(--card-accent);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-elev);
}

.feature h3 {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.prose {
  max-width: 72ch;
}

.prose p {
  margin: 0 0 1rem;
  color: var(--muted);
}

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

.prose strong {
  color: var(--ink);
}

pre {
  margin: 1rem 0 0;
  padding: 1rem 1.1rem;
  overflow: auto;
  border: 1px solid #1f2933;
  border-radius: 12px;
  background: var(--code-bg);
  color: var(--code-ink);
  font-family: var(--mono);
  font-size: 0.83rem;
  line-height: 1.58;
  tab-size: 2;
}

code {
  padding: 0.12em 0.35em;
  border-radius: 5px;
  background: var(--accent-soft);
  font-family: var(--mono);
  font-size: 0.9em;
}

pre code {
  padding: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-elev);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.71rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

.note {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 0.92rem;
}

.breadcrumb {
  margin: 0 0 1.3rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.breadcrumb span {
  margin: 0 0.45rem;
  color: var(--line);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.link-grid a {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-elev);
  color: var(--ink);
  text-decoration: none;
}

.link-grid a:hover {
  border-color: var(--accent);
}

.link-grid span {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: 1.8rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.error-page {
  display: grid;
  min-height: 58vh;
  place-items: center;
  padding: 3rem 0;
  text-align: center;
}

.error-code {
  margin: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 700;
  line-height: 1;
}

.error-page h1 {
  margin: 0.5rem 0 0.6rem;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.error-page p {
  max-width: 46ch;
  margin: 0 auto;
  color: var(--muted);
}

@media (max-width: 820px) {
  .hero-grid,
  .featured {
    grid-template-columns: 1fr;
  }

  .featured-visual {
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
  }

  .featured-visual img {
    width: 64px;
    height: 64px;
    border-radius: 15px;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 0.55rem;
    padding: 0.6rem 0;
  }

  .nav {
    gap: 0.85rem;
    font-size: 0.84rem;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 0.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}