/* Atheneum Lab — limestone reading room. Desktop-first. System fonts only. */
:root {
  --plaster: #efe8d8;
  --wall: #e7dfcc;
  --paper: #f7f1e4;
  --ink: #2b2722;
  --mute: #6a6358;
  --rail: #8a6a3d;
  --verdigris: #3f5e4c;
  --verdigris-hot: #2f4a3c;
  --ticket: #c45c3a;
  --hair: rgba(43, 39, 34, 0.14);
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, ui-serif, serif;
  --sans: "Avenir Next", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --max: 1120px;
  --measure: 38rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
::selection {
  background: rgba(63, 94, 76, 0.22);
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(138, 106, 61, 0.07), transparent 18%),
    radial-gradient(900px 420px at 8% 0%, rgba(63, 94, 76, 0.08), transparent 50%),
    var(--plaster);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.7;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.18;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.55  0 0 0 0 0.5  0 0 0 0 0.38  0 0 0 0.45 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

a {
  color: var(--verdigris);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--ticket);
}
a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.wrap {
  width: min(var(--max), calc(100% - 5.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(239, 232, 216, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--hair);
  background: rgba(239, 232, 216, 0.96);
}
.header-inner {
  width: min(var(--max), calc(100% - 5.5rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.95rem 0;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.wordmark svg {
  width: 26px;
  height: 26px;
  display: block;
}
.wordmark:hover {
  color: var(--verdigris);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 0.4rem 0.7rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}
.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav-list a {
  color: var(--mute);
  text-decoration: none;
}
.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--ink);
}

.rail {
  height: 10px;
  background:
    linear-gradient(#7a5c34, #8a6a3d 40%, #c4a06a 48%, #8a6a3d 56%, #6a4e2c);
  box-shadow: 0 8px 0 rgba(43, 39, 34, 0.06);
}

.hero {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 3.2rem;
  align-items: end;
  padding: 4.4rem 0 3.2rem;
}
.kicker {
  margin: 0 0 1.1rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--verdigris);
}
.hero h1 {
  margin: 0;
  font-weight: 400;
  font-size: clamp(1.85rem, 3.2vw, 2.55rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  max-width: 22ch;
}
.lede {
  margin: 1.4rem 0 0;
  color: var(--mute);
  max-width: 34rem;
}
.hero-meta {
  margin: 1.8rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.gallery {
  position: relative;
  background: var(--wall);
  border: 1px solid var(--hair);
  padding: 1.4rem 1.2rem 0.8rem;
}
.gallery svg {
  width: 100%;
  height: auto;
  display: block;
}
.caption {
  margin: 0.55rem 0 0;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

.essay {
  max-width: var(--measure);
  padding: 1.2rem 0 3.4rem;
}
.essay p {
  margin: 0 0 1.15rem;
}
.essay strong {
  font-weight: 600;
}

.plates {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.2rem;
  padding: 0 0 3.6rem;
}
.plate {
  background: var(--paper);
  border: 1px solid var(--hair);
  padding: 1.1rem 1.15rem 1.2rem;
}
.plate svg {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 0.85rem;
}
.plate h2 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
  font-weight: 500;
}
.plate p {
  margin: 0;
  color: var(--mute);
  font-size: 0.98rem;
}
.ticket {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--verdigris);
}

.cta {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.4rem;
  align-items: center;
  padding: 2.4rem 0 4.2rem;
  border-top: 1px solid var(--hair);
}
.cta h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 400;
}
.cta p {
  margin: 0 0 1.2rem;
  color: var(--mute);
  max-width: 32rem;
}
.btn {
  display: inline-block;
  background: var(--verdigris);
  color: var(--paper);
  text-decoration: none;
  padding: 0.62rem 1.05rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--verdigris);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.btn:hover {
  background: var(--verdigris-hot);
  color: var(--paper);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
  margin-left: 0.55rem;
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.site-footer {
  border-top: 1px solid var(--hair);
  padding: 2.1rem 0 2.6rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.4rem;
}
.site-footer a {
  color: var(--mute);
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--ink);
}
.site-footer strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.68rem;
  margin-bottom: 0.45rem;
}

.page {
  padding: 3.6rem 0 4.4rem;
}
.page h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 400;
}
.page-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.4rem;
  align-items: end;
  margin-bottom: 2.2rem;
}
.page-hero svg {
  width: 100%;
  height: auto;
  display: block;
  background: var(--wall);
  border: 1px solid var(--hair);
}

form {
  display: grid;
  gap: 0.45rem;
  max-width: 26rem;
}
label {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 0.45rem;
}
input,
textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--hair);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}
input:focus,
textarea:focus {
  outline: 2px solid var(--verdigris);
  outline-offset: 1px;
}

.hang .wire {
  transform-origin: 50% 0;
  animation: sway 5.6s ease-in-out infinite alternate;
}
.hang .wire:nth-child(2) {
  animation-duration: 6.4s;
  animation-delay: -1.2s;
}
.hang .wire:nth-child(3) {
  animation-duration: 7.1s;
  animation-delay: -2s;
}
@keyframes sway {
  from {
    transform: rotate(-0.7deg);
  }
  to {
    transform: rotate(0.7deg);
  }
}

.draw {
  stroke-dasharray: 520;
  stroke-dashoffset: 520;
  animation: draw 1.8s ease forwards;
}
@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .hang .wire,
  .draw,
  .reveal {
    animation: none;
    opacity: 1;
    transform: none;
    stroke-dashoffset: 0;
  }
}

@media (max-width: 800px) {
  .wrap,
  .header-inner {
    width: min(var(--max), calc(100% - 1.6rem));
  }
  .nav-toggle {
    display: inline-block;
  }
  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0.7rem;
    padding: 0.6rem 0 0.2rem;
  }
  .header-inner {
    flex-wrap: wrap;
  }
  .nav-list.is-open {
    display: flex;
  }
  .hero,
  .page-hero,
  .cta,
  .plates,
  .foot-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 2.4rem;
  }
  .btn-ghost {
    margin-left: 0;
    margin-top: 0.55rem;
  }
}