:root {
  --bg: #f6f8fc;
  --card: #fff;
  --ink: #111a33;
  --mute: #56607a;
  --line: #dbe1ee;
  --blue: #1030c8;
  --navy: #0a1750;
  --red: #e3242b;
  --on: #fff;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1020;
    --card: #141b34;
    --ink: #e8ecf8;
    --mute: #9aa5c4;
    --line: #27315a;
    --blue: #6b86ff;
    --navy: #060b24;
  }
}

:root[data-theme="dark"] {
  --bg: #0b1020;
  --card: #141b34;
  --ink: #e8ecf8;
  --mute: #9aa5c4;
  --line: #27315a;
  --blue: #6b86ff;
  --navy: #060b24;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: env(safe-area-inset-top, 0px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 "Segoe UI", system-ui, sans-serif;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

a {
  color: var(--blue);
}

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

header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 9;
  background: #d3dfff;
  color: #0a1750;
  border-bottom: 3px solid var(--red);
  box-shadow: 0 2px 10px rgba(10, 23, 80, 0.12);
}

.bar {
  max-width: 1120px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #0a1750;
  text-decoration: none;
  font-weight: 700;
}

.brand img {
  height: 50px;
  width: auto;
  display: block;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-left: auto;
}

nav a {
  color: #2a3566;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 14px;
}

nav a:hover,
nav a.on {
  background: rgba(16, 48, 200, 0.14);
  color: #1030c8;
}

#mb {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid rgba(10, 23, 80, 0.4);
  color: #0a1750;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 16px;
}

main {
  max-width: 1120px;
  margin: auto;
  padding: 28px 16px 60px;
  min-height: 70vh;
}

.hero {
  background: linear-gradient(120deg, #e1e9ff, #b8cbff);
  color: #0a1750;
  border: 1px solid #aebfef;
  border-radius: 14px;
  padding: 44px 28px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(28px, 4.5vw, 46px);
}

.hero p {
  color: #26305c;
  max-width: 56ch;
}

.hero img {
  width: 100%;
  max-width: 320px;
  justify-self: center;
}

.btn {
  display: inline-block;
  background: var(--red);
  color: #fff;
  padding: 11px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  font-size: 15px;
  margin: 6px 8px 0 0;
}

.btn.alt {
  background: transparent;
  border: 1.5px solid #0a1750;
  color: #0a1750;
}

.btn:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid #ffb400;
  outline-offset: 2px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  margin: 18px 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
}

a.card {
  text-decoration: none;
  color: inherit;
  border-left: 5px solid var(--blue);
}

a.card:hover {
  border-left-color: var(--red);
}

.card h3 {
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--mute);
  font-size: 15px;
}

.sec {
  margin-top: 40px;
}

.crumb {
  font-size: 14px;
  color: var(--mute);
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tw {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
}

th,
td {
  padding: 9px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
}

.tools {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0;
}

input,
select,
textarea {
  font: inherit;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  width: 100%;
}

.tools input,
.tools select {
  width: auto;
  flex: 1;
  min-width: 160px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.chips li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 14px;
}

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 18px;
  margin: 0;
}

dt {
  color: var(--mute);
}

dd {
  margin: 0;
}

.org {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.org div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 16px;
  min-width: 200px;
}

.org small {
  display: block;
  color: var(--mute);
}

.org .r {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.cimg {
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--line);
  margin-bottom: 10px;
  cursor: zoom-in;
}

#lb {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  padding: 16px;
  cursor: zoom-out;
}

#lb[hidden] {
  display: none;
}

#lb img {
  max-width: 100%;
  max-height: 100%;
  background: #fff;
}

footer {
  background: var(--navy);
  color: #b7c1e6;
  padding: 24px 16px;
  text-align: center;
  font-size: 14px;
}

.note {
  font-size: 13px;
  color: var(--mute);
}

@media (max-width: 860px) {
  #mb {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #d3dfff;
    box-shadow: 0 8px 14px rgba(10, 23, 80, 0.12);
    padding: 8px 16px;
    flex-direction: column;
    max-height: 70vh;
    overflow: auto;
  }

  nav.open {
    display: flex;
  }
}

@media (max-width: 700px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 600px) {
  dl {
    grid-template-columns: 1fr;
  }
}