/* ==========================================================================
   Who Authenticates Autographs — design system
   Palette, type and motion carried over from the original build; class names
   are semantic so sections can be edited without touching utility soup.
   ========================================================================== */

:root {
  --ink: #16140f;
  --ink-soft: #211d16;
  --ink-line: rgba(217, 204, 174, 0.16);
  --ink-line-strong: rgba(217, 204, 174, 0.28);
  --parchment: #f3ead9;
  --parchment-dim: #d9ccae;
  --gold: #c9a13b;
  --gold-bright: #e6c15f;
  --rust: #a8492f;

  --font-display: Fraunces, "Iowan Old Style", Georgia, serif;
  --font-body: Spectral, "Iowan Old Style", Georgia, serif;

  --wrap: 74rem;
  --measure: 40rem;
  --radius: 0.85rem;
  --radius-lg: 1.15rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--parchment);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--gold);
  color: var(--ink);
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-optical-sizing: auto;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

/* --- ambient layers ------------------------------------------------------ */

.grain,
.glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.grain {
  z-index: 50;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.glow {
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 15% -10%, rgba(201, 161, 59, 0.16), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 20%, rgba(168, 73, 47, 0.12), transparent 55%),
    var(--ink);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--gold-bright);
  color: var(--ink);
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- layout primitives -------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 48rem) {
  .wrap {
    padding-inline: 3rem;
  }
}

.section {
  padding-block: 4.5rem;
  border-top: 1px solid rgba(217, 204, 174, 0.1);
}

.section:first-of-type {
  border-top: 0;
}

@media (min-width: 48rem) {
  .section {
    padding-block: 6rem;
  }
}

.section-head {
  max-width: 46rem;
  margin-bottom: 3rem;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
}

.lead {
  margin-top: 1.1rem;
  color: var(--parchment-dim);
  font-size: 1.05rem;
}

@media (min-width: 48rem) {
  .lead {
    font-size: 1.15rem;
  }
}

/* --- header ------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(22, 20, 15, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(217, 204, 174, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.05rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand:hover {
  color: var(--gold-bright);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.85rem;
  color: var(--parchment-dim);
}

.nav a {
  white-space: nowrap;
  transition: color 0.15s;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--gold-bright);
}

@media (min-width: 66rem) {
  .nav {
    display: flex;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* mobile menu — plain <details>, no JavaScript */
.menu {
  position: relative;
}

@media (min-width: 66rem) {
  .menu {
    display: none;
  }
}

.menu > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--ink-line-strong);
  border-radius: 999px;
  font-size: 0.875rem;
  white-space: nowrap;
}

.menu > summary::-webkit-details-marker {
  display: none;
}

.menu[open] > summary {
  background: var(--gold-bright);
  color: var(--ink);
  border-color: var(--gold-bright);
}

.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.6rem);
  width: 16.5rem;
  padding: 0.4rem;
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
  animation: menu-in 0.18s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.menu-panel a {
  display: block;
  padding: 0.6rem 0.85rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  transition: background 0.15s;
}

.menu-panel a:hover {
  background: rgba(201, 161, 59, 0.12);
}

@keyframes menu-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
}

/* --- buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.35rem;
  border: 1px solid var(--ink-line-strong);
  border-radius: 999px;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn:hover {
  background: rgba(201, 161, 59, 0.12);
}

.btn-gold {
  color: var(--gold-bright);
  border-color: rgba(230, 193, 95, 0.4);
}

.btn-gold:hover {
  background: var(--gold-bright);
  color: var(--ink);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* --- hero --------------------------------------------------------------- */

.hero {
  padding-block: 4rem 3.5rem;
}

@media (min-width: 48rem) {
  .hero {
    padding-block: 6rem 5rem;
  }
}

.hero h1 {
  max-width: 22em;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1.02;
}

.hero .lead {
  max-width: var(--measure);
  margin-top: 1.75rem;
}

.hero-note {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(217, 204, 174, 0.12);
  color: var(--gold);
  font-size: 0.8rem;
  font-style: italic;
  letter-spacing: 0.02em;
}

/* --- cards -------------------------------------------------------------- */

.card-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

@media (min-width: 48rem) {
  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  }
}

.card {
  padding: 1.75rem;
  background: rgba(33, 29, 22, 0.6);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
}

.card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.35rem;
}

.card-name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  color: var(--gold-bright);
  line-height: 1.1;
}

.card-meta {
  color: var(--parchment-dim);
  font-size: 0.75rem;
  text-align: right;
}

.card h3 {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  color: var(--parchment);
}

.facts {
  margin: 0;
  display: grid;
  gap: 0.85rem;
  font-size: 0.9rem;
}

.facts dt {
  margin-bottom: 0.2rem;
  color: var(--gold);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.facts dd {
  margin: 0;
  color: var(--parchment-dim);
}

/* --- numbered points ---------------------------------------------------- */

.points {
  display: grid;
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 56rem) {
  .points {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem 3rem;
  }
}

.points > li {
  display: flex;
  gap: 1.25rem;
}

.point-num {
  flex-shrink: 0;
  padding-top: 0.2rem;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.points h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
  color: var(--gold-bright);
}

.points p {
  color: var(--parchment-dim);
  font-size: 0.95rem;
}

/* --- callout ------------------------------------------------------------ */

.callout {
  margin-top: 3rem;
  padding: 1.6rem 1.8rem;
  background: linear-gradient(140deg, rgba(201, 161, 59, 0.1), rgba(168, 73, 47, 0.04) 70%, transparent);
  border: 1px solid var(--ink-line);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
  color: var(--parchment-dim);
  font-size: 0.95rem;
}

.callout strong {
  color: var(--parchment);
  font-weight: 400;
}

.callout .btn-row {
  margin-top: 1.4rem;
}

/* --- Q & A list --------------------------------------------------------- */

.qa-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(217, 204, 174, 0.12);
}

.qa-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.4rem 0.5rem 1.4rem 0;
  border-bottom: 1px solid rgba(217, 204, 174, 0.12);
  transition: background 0.15s, padding-left 0.15s;
}

.qa-item:hover {
  background: rgba(201, 161, 59, 0.06);
  padding-left: 0.6rem;
}

.qa-num {
  flex-shrink: 0;
  padding-top: 0.3rem;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.qa-text {
  flex: 1;
}

.qa-q {
  display: block;
  font-size: 1.05rem;
  line-height: 1.35;
}

.qa-teaser {
  display: block;
  margin-top: 0.35rem;
  color: var(--parchment-dim);
  font-size: 0.9rem;
}

.qa-arrow {
  flex-shrink: 0;
  padding-top: 0.35rem;
  color: var(--gold-bright);
  font-size: 0.9rem;
  transition: transform 0.18s;
}

.qa-item:hover .qa-arrow {
  transform: translateX(3px);
}

/* --- two-column split -------------------------------------------------- */

.split {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 62rem) {
  .split {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 4rem;
  }
}

/* --- plain lists -------------------------------------------------------- */

.ticks {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
  color: var(--parchment-dim);
  font-size: 0.95rem;
}

.ticks > li {
  display: flex;
  gap: 0.75rem;
}

.ticks > li::before {
  content: "—";
  flex-shrink: 0;
  color: var(--gold);
}

/* --- article ------------------------------------------------------------ */

.article {
  padding-block: 2.5rem 4rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 2.5rem;
  color: var(--parchment-dim);
  font-size: 0.85rem;
}

.back-link:hover {
  color: var(--gold-bright);
}

.article-head {
  max-width: 48rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(217, 204, 174, 0.12);
}

.article-head h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.prose {
  max-width: 42rem;
  padding-top: 2.5rem;
}

.prose h2 {
  margin: 3rem 0 1.1rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--gold-bright);
}

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

.prose h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.1rem;
}

.prose p {
  margin-bottom: 1.25rem;
  color: var(--parchment-dim);
  font-size: 1.05rem;
  line-height: 1.75;
}

@media (min-width: 48rem) {
  .prose p {
    font-size: 1.1rem;
  }
}

.prose p.first {
  color: var(--parchment);
  font-size: 1.15rem;
}

.prose a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-decoration-color: rgba(230, 193, 95, 0.4);
  text-underline-offset: 3px;
}

.prose a:hover {
  text-decoration-color: var(--gold-bright);
}

.prose ul,
.prose ol {
  margin: 0 0 1.5rem;
  padding-left: 1.1rem;
  color: var(--parchment-dim);
  font-size: 1.05rem;
  line-height: 1.7;
}

.prose li {
  margin-bottom: 0.65rem;
}

.prose li::marker {
  color: var(--gold);
}

.prose strong {
  color: var(--parchment);
  font-weight: 400;
}

.prose .callout {
  margin: 2rem 0;
}

/* --- related ------------------------------------------------------------ */

.related {
  padding-block: 3.5rem;
  border-top: 1px solid rgba(217, 204, 174, 0.12);
}

.related h2 {
  margin-bottom: 1.5rem;
  font-size: 1.35rem;
}

.related-grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 48rem) {
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.related-card {
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  transition: background 0.15s, border-color 0.15s;
}

.related-card:hover {
  background: rgba(201, 161, 59, 0.07);
  border-color: rgba(230, 193, 95, 0.35);
}

.related-card span {
  display: block;
}

.related-q {
  font-size: 0.98rem;
  line-height: 1.35;
}

.related-t {
  margin-top: 0.3rem;
  color: var(--parchment-dim);
  font-size: 0.85rem;
}

/* --- contact ------------------------------------------------------------ */

.contact-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 48rem) {
  .contact-grid {
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  }
}

.contact-card {
  padding: 1.5rem;
  background: rgba(33, 29, 22, 0.55);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
}

.contact-card h3 {
  margin-bottom: 0.85rem;
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.contact-card p,
.contact-card a {
  display: block;
  color: var(--parchment-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-card a {
  color: var(--gold-bright);
}

.contact-card a:hover {
  text-decoration: underline;
}

/* --- closing + footer --------------------------------------------------- */

.closing {
  padding-block: 5rem;
  border-top: 1px solid rgba(217, 204, 174, 0.1);
  text-align: center;
}

.closing h2 {
  max-width: 30em;
  margin-inline: auto;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.closing p {
  max-width: 38rem;
  margin: 1.25rem auto 0;
  color: var(--parchment-dim);
}

.site-footer {
  padding-block: 2.5rem;
  border-top: 1px solid rgba(217, 204, 174, 0.1);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--parchment-dim);
  font-size: 0.75rem;
}

/* --- motion ------------------------------------------------------------- */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
}

.rise {
  animation: rise 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .rise,
  .menu-panel {
    animation: none;
  }
}

/* --- subheadings & body copy in sections -------------------------------- */

.sub {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  color: var(--gold-bright);
}

.body-copy {
  margin-bottom: 1rem;
  color: var(--parchment-dim);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* --- definition rows (terms, summary) ---------------------------------- */

.terms,
.summary {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1px;
  background: rgba(217, 204, 174, 0.12);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.terms > div,
.summary > div {
  padding: 1rem 1.25rem;
  background: rgba(33, 29, 22, 0.75);
}

.terms dt,
.summary dt {
  margin-bottom: 0.3rem;
  color: var(--gold);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.terms dd,
.summary dd {
  margin: 0;
  color: var(--parchment-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

.summary {
  margin-top: 2.5rem;
}

@media (min-width: 48rem) {
  .summary > div {
    display: grid;
    grid-template-columns: 13rem 1fr;
    gap: 1.5rem;
    align-items: baseline;
  }

  .summary dt {
    margin-bottom: 0;
  }
}

.prose .terms {
  margin-bottom: 2rem;
}

/* --- outbound link cards ------------------------------------------------ */

.link-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 2.5rem;
}

@media (min-width: 40rem) {
  .link-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 64rem) {
  .link-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.link-card {
  display: block;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  transition: background 0.15s, border-color 0.15s;
}

.link-card:hover {
  background: rgba(201, 161, 59, 0.08);
  border-color: rgba(230, 193, 95, 0.35);
}

.link-label {
  display: block;
  color: var(--gold-bright);
  font-size: 0.98rem;
}

.link-note {
  display: block;
  margin-top: 0.25rem;
  color: var(--parchment-dim);
  font-size: 0.85rem;
}

.footnote {
  margin-top: 2rem;
  color: var(--parchment-dim);
  font-size: 0.92rem;
}

.footnote a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-decoration-color: rgba(230, 193, 95, 0.4);
  text-underline-offset: 3px;
}

.footnote a:hover {
  text-decoration-color: var(--gold-bright);
}

.inline-link {
  margin-bottom: 1.5rem;
}

.inline-link a {
  color: var(--gold-bright);
}

/* --- notable sales list ------------------------------------------------- */

.sales {
  margin: 1.5rem 0 2rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(217, 204, 174, 0.12);
}

.sales > li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(217, 204, 174, 0.12);
}

.sale-item {
  flex: 1 1 16rem;
  color: var(--parchment-dim);
  font-size: 0.98rem;
  line-height: 1.5;
}

.sale-price {
  color: var(--gold-bright);
  font-family: var(--font-display);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* --- article head lead -------------------------------------------------- */

.article-head .lead {
  max-width: 42rem;
}