.site-shell {
  width: min(var(--max-width), 100% - 2rem);
  margin: 0 auto;
  padding-bottom: 40px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(248, 252, 252, 0.86);
  border-bottom: 1px solid rgba(199, 213, 214, 0.9);
}

.site-header-inner {
  width: min(var(--max-width), 100% - 2rem);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 12px 0;
}

.branding {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.brand-symbol {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #0a5f66, #0f7983);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
}

.brand-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.main-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  color: #25434a;
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
}

.main-nav a:hover {
  background: #e8f2f3;
}

.main-nav a[aria-current='page'] {
  background: var(--brand-soft);
  border-color: #b8d9dd;
  color: var(--brand-strong);
}

.menu-btn {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px 11px;
  font-weight: 700;
}

.hero {
  position: relative;
  margin-top: 20px;
  padding: clamp(20px, 3.2vw, 34px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid #bad1d3;
  background:
    radial-gradient(circle at 22% 18%, rgba(14, 154, 167, 0.24), transparent 42%),
    radial-gradient(circle at 84% -6%, rgba(242, 166, 90, 0.22), transparent 44%),
    linear-gradient(160deg, #f7fcfd 0%, #e7f2f3 54%, #f7f5f1 100%);
  box-shadow: var(--shadow-md);
}

.hero h1 {
  font-size: clamp(2rem, 2vw + 1.25rem, 3rem);
  margin-bottom: 10px;
}

.hero p {
  max-width: 74ch;
  color: #2a4a50;
}

.hero-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.hero-stat {
  border: 1px solid #c1d9dc;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.85);
  padding: 10px 12px;
}

.hero-stat .label {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-stat .value {
  margin-top: 4px;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.25rem;
  line-height: 1.1;
}

.page-main {
  margin-top: 18px;
  display: grid;
  gap: 16px;
}

.page-section {
  padding: 18px;
}

.section-head {
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.control label {
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.input,
.select {
  width: 100%;
  border: 1px solid #bfd0d2;
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  padding: 9px 11px;
}

.input:focus,
.select:focus {
  border-color: #7cb9bf;
}

.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 13px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-strong);
}

.btn-secondary {
  border-color: #c4d4d5;
  background: #f6fbfb;
  color: #22434a;
}

.btn-secondary:hover {
  background: #edf6f6;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  border: 1px solid #bfd3d5;
  background: #f5fbfc;
  color: #1f4148;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.82rem;
  cursor: pointer;
}

.pill.active {
  border-color: #7db3b8;
  background: #d8eef0;
  color: #0b545c;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.list-stack {
  display: grid;
  gap: 10px;
}

.table-wrap {
  border-radius: 12px;
  border: 1px solid #c8d6d7;
  overflow: auto;
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid #e6eff0;
  font-size: 0.9rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: #eff7f8;
  color: #24474d;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.74rem;
  position: sticky;
  top: 0;
  z-index: 1;
}

.site-footer {
  width: min(var(--max-width), 100% - 2rem);
  margin: 24px auto 0;
  padding: 14px 2px 24px;
  color: #436067;
  font-size: 0.85rem;
}

.meta-line {
  color: #3e5d63;
  font-size: 0.84rem;
}

.kbd {
  display: inline-block;
  border: 1px solid #c9d8d9;
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 1px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  background: #f8fcfc;
}

@media (max-width: 1040px) {
  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toolbar {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .span-8,
  .span-6,
  .span-5,
  .span-4,
  .span-3,
  .span-2 {
    grid-column: span 6;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header-inner {
    flex-wrap: wrap;
  }

  .menu-btn {
    display: inline-flex;
  }

  .main-nav {
    width: 100%;
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    text-align: left;
  }

  .hero-grid,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

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

  .span-12,
  .span-8,
  .span-6,
  .span-5,
  .span-4,
  .span-3,
  .span-2 {
    grid-column: span 1;
  }
}