:root {
  --yellow: #f7b71e;
  --dark: #293133;
  --dark2: #333d40;
  --muted: #6b7376;
  --line: #e6e8e9;
  --bg: #f5f6f7;
  --white: #fff;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.55;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--dark2); text-decoration: none; }
a:hover { color: var(--yellow); }

.wrap {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

/* top bar */
.topbar {
  background: var(--dark);
  color: #d7d9da;
  font-size: 0.875rem;
}
.topbar .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0;
}
.topbar a { color: #fff; }
.topbar a:hover { color: var(--yellow); }

/* header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--dark);
}
.brand img { width: 48px; height: auto; }
.brand strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.2;
}
.brand span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  align-items: center;
}
.nav > a,
.nav details summary {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dark2);
  list-style: none;
  cursor: pointer;
}
.nav > a:hover,
.nav details[open] summary,
.nav a.is-active { color: var(--yellow); }
.nav details { position: relative; }
.nav details summary::-webkit-details-marker { display: none; }
.nav details summary::after { content: " ▾"; font-size: 0.7em; }
.nav details .drop {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  min-width: 180px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  padding: 0.4rem 0;
  z-index: 20;
}
.nav details .drop a {
  display: block;
  padding: 0.45rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 500;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 0.4rem 0.7rem;
  font-weight: 700;
  cursor: pointer;
}

/* hero */
.hero {
  position: relative;
  min-height: 420px;
  display: grid;
  align-items: end;
  color: #fff;
  background: var(--dark) center/cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(41,49,51,.35), rgba(41,49,51,.82));
}
.hero .wrap {
  position: relative;
  z-index: 1;
  padding: 4rem 0 3rem;
}
.hero h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  max-width: 16ch;
}
.hero p {
  margin: 0 0 1.25rem;
  max-width: 36rem;
  font-size: 1.05rem;
  color: #f0f1f1;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.page-hero {
  background: var(--dark) center/cover no-repeat;
  color: #fff;
  min-height: 180px;
  display: grid;
  align-items: end;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(41,49,51,.7);
}
.page-hero { position: relative; }
.page-hero .wrap {
  position: relative;
  z-index: 1;
  padding: 2.5rem 0 1.75rem;
}
.page-hero h1 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.1rem); }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.92rem;
  border: 2px solid transparent;
}
.btn-primary { background: var(--yellow); color: var(--dark); }
.btn-primary:hover { background: #ffc93d; color: var(--dark); }
.btn-ghost { background: transparent; border-color: #fff; color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--dark); }
.btn-dark { background: var(--dark2); color: #fff; }
.btn-dark:hover { background: var(--yellow); color: var(--dark); }

/* sections */
.section { padding: 3rem 0; }
.section.alt { background: var(--bg); }
.section h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}
.lead { color: var(--muted); max-width: 46rem; margin: 0 0 1.5rem; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.card .body { padding: 1.1rem 1.15rem 1.25rem; flex: 1; display: flex; flex-direction: column; }
.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0 0 1rem; color: var(--muted); font-size: 0.92rem; flex: 1; }
.card .more { color: var(--yellow); font-weight: 700; font-size: 0.88rem; }

.prose { max-width: 46rem; }
.prose h2, .prose h3 { margin-top: 1.6rem; }
.prose p, .prose li { color: #4a5255; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin: 0.35rem 0; }

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
}
.split img {
  width: 100%;
  border: 1px solid var(--line);
}

.hub-banner {
  background: linear-gradient(135deg, var(--dark) 0%, #3d4a4e 100%);
  color: #fff;
  padding: 1.5rem 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}
.hub-banner p { margin: 0.25rem 0 0; color: #cfd3d4; font-size: 0.92rem; max-width: 36rem; }
.hub-banner h2 { margin: 0; font-size: 1.2rem; color: #fff; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.contact-box {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1.25rem 1.35rem;
}
.contact-box h3 { margin: 0 0 0.75rem; }
.contact-box p { margin: 0.4rem 0; }
.contact-box a { font-weight: 600; }

form.contact-form {
  display: grid;
  gap: 0.75rem;
}
form.contact-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.88rem;
  font-weight: 600;
}
form.contact-form input,
form.contact-form textarea {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid #cfd3d4;
  background: #fff;
}
form.contact-form textarea { min-height: 140px; resize: vertical; }

.site-footer {
  background: var(--dark);
  color: #cfd3d4;
  padding: 2rem 0 1.25rem;
  margin-top: 2rem;
}
.site-footer a { color: #fff; }
.site-footer .wrap {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
}
.site-footer h3 {
  margin: 0 0 0.6rem;
  color: var(--yellow);
  font-size: 0.95rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0.35rem 0; }
.site-footer .copy {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 0.5rem;
  padding-top: 0.9rem;
  font-size: 0.82rem;
}

@media (max-width: 860px) {
  .grid-3, .split, .contact-grid, .site-footer .wrap {
    grid-template-columns: 1fr;
  }
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 0.75rem;
  }
  .site-header .wrap { flex-wrap: wrap; }
  .nav.is-open { display: flex; }
  .nav details .drop {
    position: static;
    box-shadow: none;
    border: 0;
    padding-left: 0.5rem;
  }
}