/* Monetipedia — editorial field-guide aesthetic */

:root {
  --bg: #ebe6dc;
  --bg-elevated: #f7f4ee;
  --bg-wash: #e3ddd2;
  --ink: #1a1814;
  --ink-muted: #524a42;
  --accent: #b45309;
  --accent-hover: #92400e;
  --accent-soft: rgba(180, 83, 9, 0.14);
  --border: rgba(26, 24, 20, 0.12);
  --border-strong: rgba(26, 24, 20, 0.22);
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Literata", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-soft: 0 18px 48px rgba(26, 24, 20, 0.08);
  --max-prose: 40rem;
  --max-shell: 72rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--bg);
  position: relative;
}

/* Paper grain + subtle wash */
body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

body > * {
  position: relative;
  z-index: 1;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.shell {
  max-width: var(--max-shell);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

.shell--narrow {
  max-width: calc(var(--max-prose) + 3rem);
}

/* —— Site chrome —— */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding: 1.75rem 0 2rem;
  border-bottom: 1px solid var(--border-strong);
  margin-bottom: 2.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  text-decoration: none;
  color: inherit;
}

.brand:hover {
  color: inherit;
}

.brand-wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4vw, 2.15rem);
  font-weight: 650;
  font-variation-settings: "SOFT" 40, "WONK" 0.9;
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.1;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* —— Hero (home) —— */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 5vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 0 0 1.25rem;
  max-width: 16ch;
}

.hero-lede {
  margin: 0;
  font-size: 1.08rem;
  color: var(--ink-muted);
  max-width: 42ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--accent);
  color: #fffaf5;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 24px rgba(180, 83, 9, 0.25);
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #fffaf5;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.45);
  color: var(--ink);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  background: var(--bg-elevated);
}

/* —— Section titles —— */
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-bottom: 1.5rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 0.35rem;
}

/* —— Category grid —— */
.grid-categories {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .grid-categories {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-categories {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 100%;
  padding: 1.35rem 1.2rem;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.cat-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -40% auto;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 30% 30%, var(--accent-soft), transparent 70%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.cat-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.cat-card:hover::after {
  opacity: 1;
}

.cat-card:hover .cat-card-title {
  color: var(--accent);
}

.cat-card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
  transition: color 0.2s ease;
}

.cat-card-desc {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
  flex-grow: 1;
}

.cat-card-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 0.35rem;
}

/* —— Page header (inner pages) —— */
.page-header {
  margin-bottom: 2rem;
  max-width: var(--max-prose);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  line-height: 1.12;
}

.page-lede {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.05rem;
}

/* —— Prose (policies) —— */
.prose {
  max-width: var(--max-prose);
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.02em;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p,
.prose li {
  color: var(--ink-muted);
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul,
.prose ol {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose strong {
  color: var(--ink);
  font-weight: 600;
}

/* —— Empty state —— */
.empty-panel {
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-strong);
  background: rgba(255, 255, 255, 0.35);
  max-width: var(--max-prose);
}

.empty-panel p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.98rem;
}

/* —— Footer —— */
.site-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-strong);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-nav a:hover {
  color: var(--accent);
}

.colophon {
  margin: 0;
  max-width: 36ch;
}

/* —— Reveal animation —— */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  animation: reveal-in 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.reveal:nth-child(1) {
  animation-delay: 0.05s;
}
.reveal:nth-child(2) {
  animation-delay: 0.12s;
}
.reveal:nth-child(3) {
  animation-delay: 0.19s;
}
.reveal:nth-child(4) {
  animation-delay: 0.26s;
}
.reveal:nth-child(5) {
  animation-delay: 0.33s;
}
.reveal:nth-child(6) {
  animation-delay: 0.4s;
}
.reveal:nth-child(7) {
  animation-delay: 0.47s;
}
.reveal:nth-child(8) {
  animation-delay: 0.54s;
}

@keyframes reveal-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* —— Platform entry —— */
.verification-note {
  margin: 0 0 1.75rem;
  padding: 1rem 1.1rem;
  max-width: var(--max-prose);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  line-height: 1.55;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
}

.verification-note strong {
  color: var(--ink);
  font-weight: 600;
}

.official-links {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.official-links li {
  margin-bottom: 0.5rem;
  padding-left: 0;
}

.official-links a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.platform-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  max-width: var(--max-prose);
}

@media (min-width: 560px) {
  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.platform-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.1rem 1rem;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.platform-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-soft);
}

.platform-card-title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.platform-card-desc {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.platform-card-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 0.25rem;
}

.section-eyebrow--tight {
  margin-top: 0.5rem;
}

.category-note {
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--ink-muted);
  max-width: var(--max-prose);
}

/* —— Partner / referral outlook (editorial tiers) —— */
.partner-outlook {
  margin: 0 0 1.75rem;
  padding: 1.1rem 1.15rem 1rem;
  max-width: var(--max-prose);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.partner-outlook-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.partner-outlook-lede {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

.partner-outlook-dl {
  margin: 0 0 0.85rem;
  display: grid;
  grid-template-columns: minmax(7rem, 9rem) 1fr;
  gap: 0.35rem 1rem;
  align-items: start;
  font-size: 0.88rem;
}

.partner-outlook-dl dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0;
  padding-top: 0.2rem;
}

.partner-outlook-dl dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.65rem;
  align-items: baseline;
  color: var(--ink-muted);
  line-height: 1.55;
}

.partner-outlook-dd-text {
  flex: 1 1 12rem;
  min-width: 0;
}

.partner-outlook-disclaimer {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--ink-muted);
}

.tier-badge,
.diff-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.tier-badge--s {
  background: rgba(180, 83, 9, 0.18);
  border-color: rgba(180, 83, 9, 0.35);
  color: var(--accent-hover);
}

.tier-badge--a {
  background: rgba(22, 101, 52, 0.12);
  border-color: rgba(22, 101, 52, 0.28);
  color: #166534;
}

.tier-badge--b {
  background: rgba(30, 58, 95, 0.1);
  border-color: rgba(30, 58, 95, 0.22);
  color: #1e3a5f;
}

.tier-badge--c {
  background: rgba(82, 74, 66, 0.08);
  border-color: var(--border-strong);
  color: var(--ink-muted);
}

.tier-badge--d {
  background: rgba(82, 74, 66, 0.06);
  border-color: var(--border);
  color: #6b6560;
}

.diff-badge--low {
  background: rgba(22, 101, 52, 0.08);
  border-color: rgba(22, 101, 52, 0.2);
  color: #166534;
}

.diff-badge--medium {
  background: rgba(120, 90, 40, 0.1);
  border-color: rgba(180, 83, 9, 0.25);
  color: var(--accent-hover);
}

.diff-badge--high {
  background: rgba(127, 29, 29, 0.1);
  border-color: rgba(127, 29, 29, 0.25);
  color: #7f1d1d;
}

@media (max-width: 520px) {
  .partner-outlook-dl {
    grid-template-columns: 1fr;
  }

  .partner-outlook-dl dt {
    padding-top: 0;
  }

  .partner-outlook-dl dd + dt {
    margin-top: 0.35rem;
  }
}

.platform-card-ranks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  margin: 0.15rem 0 0.25rem;
}

.rank-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--ink-muted);
}

.rank-chip--tier {
  background: rgba(255, 255, 255, 0.65);
  border-color: rgba(180, 83, 9, 0.25);
  color: var(--accent-hover);
}

.rank-chip--diff {
  background: rgba(255, 255, 255, 0.45);
}