:root {
  --chalk-green: #1B3B2F;
  --chalk-green-dark: #12281F;
  --bone: #F0EBE0;
  --bone-dim: #E4DCCB;
  --brass: #C89B3C;
  --brass-bright: #E0B450;
  --rust: #A6503A;
  --teal: #4A8B7C;
  --ink: #16241D;
  --line: rgba(240, 235, 224, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--chalk-green);
  color: var(--bone);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

a { color: var(--brass-bright); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brass-bright);
  outline-offset: 3px;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header / Hero ---------- */

header.site-head {
  background:
    linear-gradient(180deg, var(--chalk-green-dark) 0%, var(--chalk-green) 100%);
  border-bottom: 3px solid var(--brass);
  padding: 48px 0 40px;
  position: relative;
  overflow: hidden;
}

header.site-head::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 78px,
    var(--line) 78px,
    var(--line) 80px
  );
  opacity: 0.5;
  pointer-events: none;
}

.eyebrow {
  font-family: "Oswald", "Archivo Black", sans-serif;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-bright);
  margin: 0 0 10px;
}

h1.site-title {
  font-family: "Oswald", "Archivo Black", sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  letter-spacing: -0.01em;
  line-height: 0.98;
  margin: 0 0 14px;
  text-transform: uppercase;
  color: var(--bone);
}

.site-title .accent { color: var(--brass); }

.tagline {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  color: var(--brass-bright);
  max-width: 600px;
  margin: 0 0 14px;
  letter-spacing: 0.01em;
}

.site-sub {
  max-width: 560px;
  color: var(--bone-dim);
  font-size: 1.05rem;
  margin: 0 0 26px;
}

.meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-family: "Oswald", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brass-bright);
}

.meta-strip span { color: var(--bone-dim); }

nav.site-nav {
  background: var(--chalk-green-dark);
  border-bottom: 1px solid var(--line);
}

nav.site-nav .wrap {
  display: flex;
  gap: 28px;
  padding: 14px 20px;
  font-family: "Oswald", sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav.site-nav a {
  color: var(--bone-dim);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

nav.site-nav a:hover,
nav.site-nav a.active {
  color: var(--brass-bright);
  border-color: var(--brass);
}

/* ---------- Tier blocks ---------- */

main { padding: 44px 0 80px; }

.tier {
  margin-bottom: 40px;
}

.tier-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 4px;
  border-bottom: 2px solid var(--brass);
  margin-bottom: 2px;
}

.tier-num {
  font-family: "Oswald", "Archivo Black", sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--brass);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.tier-name {
  font-family: "Oswald", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

table.tier-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

table.tier-table caption { display: none; }

table.tier-table thead th {
  text-align: left;
  font-family: "Oswald", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-dim);
  padding: 10px 10px 8px;
  border-bottom: 1px solid var(--line);
}

table.tier-table th.num,
table.tier-table td.num { text-align: right; }

table.tier-table tbody tr {
  border-bottom: 1px solid var(--line);
  transition: background 0.12s;
}

table.tier-table tbody tr:hover { background: rgba(240, 235, 224, 0.04); }

table.tier-table td {
  padding: 11px 10px;
  vertical-align: middle;
}

td.rank {
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  color: var(--brass-bright);
  width: 2.4em;
}

td.team { font-weight: 500; }

td.rating {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  text-align: right;
}

td.conf {
  color: var(--bone-dim);
  font-family: "Oswald", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.change {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: "Oswald", sans-serif;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.change.up { color: var(--teal); }
.change.down { color: var(--rust); }
.change.flat { color: var(--bone-dim); opacity: 0.6; }

.tier-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 0 0;
  padding: 8px 4px;
  font-family: "Oswald", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rust);
}

.tier-divider::before,
.tier-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--rust) 0 6px, transparent 6px 11px);
  opacity: 0.55;
}

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 50px;
  color: var(--bone-dim);
  font-size: 0.85rem;
}

footer a { color: var(--brass-bright); }

/* ---------- Methodology page ---------- */

.prose {
  max-width: 680px;
  padding: 46px 0 80px;
}

.prose h1 {
  font-family: "Oswald", "Archivo Black", sans-serif;
  text-transform: uppercase;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  color: var(--bone);
  margin-bottom: 6px;
}

.prose h2 {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1.15rem;
  color: var(--brass-bright);
  margin-top: 34px;
}

.prose p, .prose li { color: var(--bone-dim); }
.prose strong { color: var(--bone); }

/* ---------- Responsive ---------- */

@media (max-width: 560px) {
  header.site-head { padding: 36px 0 30px; }
  table.tier-table { font-size: 0.86rem; }
  table.tier-table td, table.tier-table th { padding: 9px 6px; }
  nav.site-nav .wrap { gap: 18px; }
}