:root {
  --bg: #f7f9fc;
  --text: #1f2937;
  --muted: #4b5563;
  --brand: rgb(0, 184, 148);
  --card: #ffffff;
  --border: rgb(164, 230, 219);
  --max: 980px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

img,
svg,
video,
iframe {
  max-width: 100%;
  height: auto;
}

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

a:hover { color: var(--brand); }

.site-header {
  background: var(--brand);
  color: #fff;
  padding: 2rem 1rem 1.25rem;
}

.header-inner,
.main-content,
.site-footer-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.site-title {
  margin: 0;
  font-size: 1.8rem;
}

.site-tagline {
  margin: .5rem 0 0;
  opacity: .95;
}

.site-nav {
  background: var(--brand);
  border-bottom: 1px solid rgba(255,255,255,.2);
}

.site-nav > ul {
  list-style: none;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
}

.site-nav > ul > li {
  position: relative;
  display: flex;
}

.site-nav li {
  flex: 0 1 auto;
}

.site-nav a {
  display: flex;
  align-items: center;
  color: #fff;
  text-decoration: none;
  padding: .8rem 1rem;
  border-right: 1px solid rgba(255,255,255,.15);
  text-transform: uppercase;
  font-weight: 700;
}

.site-nav a[aria-current="page"] { background: rgba(255,255,255,.2); }

.site-nav .has-dropdown > a::after {
  content: "▾";
  margin-left: .45rem;
  font-size: .75em;
}

.nav-dropdown {
  list-style: none;
  padding-left: 0;
  margin-left: 0;
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 15rem;
  z-index: 10;
  display: none;
  flex-direction: column;
  border: 1px solid rgba(255,255,255,.2);
  background: #0aa38a;
}

.site-nav .has-dropdown:hover .nav-dropdown,
.site-nav .has-dropdown:focus-within .nav-dropdown {
  display: flex;
}

.nav-dropdown li,
.nav-dropdown a {
  width: 100%;
}

.nav-dropdown a {
  border-right: 0;
  border-top: 1px solid rgba(255,255,255,.12);
  padding: .65rem .85rem;
  font-size: .9rem;
}

.main-content {
  padding: 2rem 0rem 2rem;
}

.page {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  overflow-wrap: anywhere;
}

h1 { line-height: 1.25; margin-top: 0; }
h2 { margin-top: 1.8rem; }

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: .8rem;
  margin: 1.2rem 0;
}

.icon-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--brand);
  padding: .8rem;
}

.site-footer {
  background: var(--brand);
  color: #e2e8f0;
  padding: 1.5rem 1rem;
}

.site-footer a { color: #fff; }

.muted { color: var(--muted); }

@media (max-width: 600px) {
  .site-header {
    padding: 1.5rem .9rem 1rem;
  }

  .site-title { font-size: 1.45rem; }

  .site-tagline {
    font-size: .95rem;
  }

  .site-nav > ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-nav > ul > li {
    min-width: 0;
  }

  .site-nav > ul > li > a {
    display: block;
    width: 100%;
    padding: .7rem .75rem;
    font-size: .95rem;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.15);
    text-align: center;
  }

  .main-content {
    padding: 1.2rem .75rem 2rem;
  }

  .page {
    padding: 1rem;
    border-radius: 10px;
  }

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

@media (max-width: 380px) {
  .site-nav > ul {
    grid-template-columns: 1fr;
  }
}