/* YBRP product theme layered on Rook & Ink brand-core */
@import url("/brand-tokens.css");
@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,600;0,9..40,700;1,9..40,400&family=Fraunces:opsz,wght@9..144,500;9..144,650;9..144,700&family=IBM+Plex+Mono:wght@400;500&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&display=swap");

:root {
  --ri-ink: #1a1510;
  --ri-forest: #101c16;
  --ri-parchment: #efe6d6;
  --ri-bronze: #a67c52;
  --ri-gold: #c4a574;

  --ybrp-ink: #1a1510;
  --ybrp-paper: #efe6d6;
  --ybrp-paper-deep: #e4d8c4;
  --ybrp-stamp: #6b2e2e;
  --ybrp-stamp-bright: #8a3d3d;
  --ybrp-rule: #c4b49a;
  --ybrp-fog: #6e6456;
  --ybrp-ok: #3d5c45;
  --ybrp-dusk: #2a2118;
  --ybrp-river: #24352c;
  --ybrp-gold: #c4a574;

  --font-display: "Fraunces", Georgia, serif;
  --font-serif: "Source Serif 4", Georgia, serif;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-serif);
  color: var(--ybrp-ink);
  background:
    radial-gradient(ellipse 55% 35% at 100% 0%, color-mix(in srgb, var(--ybrp-river) 14%, transparent), transparent 60%),
    radial-gradient(ellipse 70% 40% at 0% 0%, color-mix(in srgb, var(--ybrp-stamp) 10%, transparent), transparent 55%),
    linear-gradient(180deg, var(--ybrp-paper) 0%, var(--ybrp-paper-deep) 100%);
  background-attachment: fixed;
}

a {
  color: var(--ybrp-stamp);
  text-underline-offset: 0.15em;
}

a:hover { color: var(--ybrp-stamp-bright); }

a:focus-visible {
  outline: 2px solid var(--ybrp-stamp);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ybrp-stamp);
  color: var(--ybrp-paper);
  padding: 0.5rem 1rem;
  z-index: 50;
}

.skip:focus { left: 0.5rem; top: 0.5rem; }

.shell {
  width: min(68rem, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  border-bottom: 2px solid var(--ybrp-ink);
  background: color-mix(in srgb, var(--ybrp-paper) 92%, white);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  flex-wrap: wrap;
}

.brand {
  text-decoration: none;
  color: inherit;
}

.brand__eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ybrp-stamp);
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 650;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.95rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
}

.nav a {
  text-decoration: none;
  color: var(--ybrp-ink);
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ybrp-stamp);
  text-decoration: underline;
}

.hero {
  padding: 2.5rem 0 1.75rem;
  animation: rise 0.45s var(--ease) both;
}

.hero--portal {
  min-height: calc(100vh - 5.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 0 2.5rem;
  position: relative;
}

.hero--portal::before {
  content: "";
  position: absolute;
  inset: 0 -1.25rem auto;
  height: min(72vh, 36rem);
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 55%, var(--ybrp-paper) 100%),
    radial-gradient(ellipse 80% 70% at 70% 30%, color-mix(in srgb, var(--ybrp-dusk) 55%, transparent), transparent 70%),
    linear-gradient(135deg, var(--ybrp-dusk) 0%, var(--ybrp-river) 48%, #3a2a1c 100%);
  opacity: 0.92;
  animation: wash 1.1s var(--ease) both;
}

.hero--portal .brand-mark {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.95;
  margin: 0.4rem 0 0.75rem;
  color: var(--ybrp-paper);
  text-shadow: 0 2px 24px color-mix(in srgb, var(--ybrp-dusk) 55%, transparent);
  animation: rise 0.55s var(--ease) 0.08s both;
}

.hero--portal h1 {
  color: var(--ybrp-paper);
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 500;
  max-width: 28rem;
  animation: rise 0.55s var(--ease) 0.16s both;
}

.hero--portal p {
  color: color-mix(in srgb, var(--ybrp-paper) 82%, var(--ybrp-fog));
  max-width: 32rem;
  animation: rise 0.55s var(--ease) 0.24s both;
}

.hero--portal .badge {
  border-color: color-mix(in srgb, var(--ybrp-paper) 55%, transparent);
  color: var(--ybrp-paper);
  animation: rise 0.55s var(--ease) both;
}

.hero--portal .btn-row {
  animation: rise 0.55s var(--ease) 0.32s both;
}

.hero--portal .btn--ghost {
  border-color: color-mix(in srgb, var(--ybrp-paper) 70%, transparent);
  color: var(--ybrp-paper);
}

.hero--portal .btn--ghost:hover {
  border-color: var(--ybrp-gold);
  color: var(--ybrp-gold);
}

.hero h1 {
  margin: 0.35rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
}

.hero p {
  margin: 0;
  max-width: 40rem;
  font-size: 1.08rem;
  line-height: 1.55;
  color: var(--ybrp-fog);
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  margin: 0 0 1.25rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--ybrp-rule);
  font-family: var(--font-sans);
  font-size: 0.84rem;
}

.subnav a {
  text-decoration: none;
  color: var(--ybrp-ink);
}

.subnav a:hover,
.subnav a[aria-current="page"] {
  color: var(--ybrp-stamp);
  text-decoration: underline;
}

.status-chip {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ybrp-fog);
}

.badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--ybrp-ink);
  padding: 0.2rem 0.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0.85rem;
  margin: 1.25rem 0 2rem;
}

.card {
  display: block;
  padding: 1.05rem 1.1rem;
  text-decoration: none;
  color: inherit;
  background: color-mix(in srgb, var(--ybrp-paper) 70%, white);
  border: 1px solid var(--ybrp-rule);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--ybrp-stamp);
}

.card h2,
.card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ybrp-fog);
  line-height: 1.45;
}

.card .meta {
  display: block;
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ybrp-stamp);
}

.panel {
  margin: 1.25rem 0;
  padding: 1rem 1.15rem;
  border-left: 4px solid var(--ybrp-stamp);
  background: #e7dcc8;
}

.panel p { margin: 0; line-height: 1.5; }

.tree {
  margin: 1rem 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.45;
  background: var(--ybrp-ink);
  color: var(--ybrp-paper);
  white-space: pre;
}

.section {
  padding: 0.5rem 0 2rem;
}

.section h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  margin: 0 0 0.75rem;
}

.prose {
  max-width: 42rem;
  line-height: 1.6;
}

.prose h2 { margin-top: 1.75rem; }

.prose ol,
.prose ul {
  max-width: 42rem;
  line-height: 1.55;
  padding-left: 1.25rem;
}

.prose li { margin: 0.35rem 0; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.95rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn--stamp {
  background: var(--ybrp-stamp);
  color: var(--ybrp-paper);
  font-weight: 600;
}

.btn--stamp:hover {
  background: var(--ybrp-stamp-bright);
  color: var(--ybrp-paper);
}

.btn--ghost {
  border-color: var(--ybrp-ink);
  color: var(--ybrp-ink);
}

.btn--ghost:hover {
  border-color: var(--ybrp-stamp);
  color: var(--ybrp-stamp);
}

.table-wrap { overflow-x: auto; margin: 1rem 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: 0.86rem;
}

th, td {
  border: 1px solid var(--ybrp-rule);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: color-mix(in srgb, var(--ybrp-rule) 35%, var(--ybrp-paper));
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--ybrp-rule);
  padding: 1.25rem 0 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--ybrp-fog);
}

.site-footer a { margin-right: 0.85rem; }

.site-footer strong { color: var(--ybrp-ink); }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@keyframes wash {
  from { opacity: 0; }
  to { opacity: 0.92; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}