/* Auster Lab — night observatory plate. Desktop-first. System fonts only. */
:root {
  --void: #050403;
  --ink: #0a0907;
  --plate: #12100c;
  --ivory: #f3ead8;
  --paper: #d9ccb4;
  --copper: #c9893a;
  --copper-hot: #e8b45c;
  --mute: #8a8174;
  --hair: rgba(201, 137, 58, 0.2);
  --rule: rgba(243, 234, 216, 0.1);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", ui-serif, serif;
  --sans: "Avenir Next", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --measure: 40rem;
  --folio: 6.25rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
::selection { background: rgba(201, 137, 58, 0.35); color: var(--ivory); }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 700px at 50% -10%, rgba(201, 137, 58, 0.09), transparent 55%),
    radial-gradient(900px 520px at 100% 40%, rgba(90, 50, 10, 0.18), transparent 50%),
    var(--void);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.75;
  letter-spacing: 0.01em;
}

body::before,
body::after {
  content: "";
  position: fixed;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--hair), transparent);
  pointer-events: none;
  z-index: 2;
}
body::before { left: 4.5rem; }
body::after { right: 4.5rem; }

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  opacity: 0.22;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.9  0 0 0 0 0.82  0 0 0 0 0.62  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

a {
  color: var(--ivory);
  text-decoration: none;
  background-image: linear-gradient(var(--copper), var(--copper));
  background-size: 0 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.3s ease, color 0.2s ease, filter 0.2s ease;
}
a:hover { background-size: 100% 1px; color: var(--copper-hot); }
a:focus-visible {
  outline: 1px solid var(--copper);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(5, 4, 3, 0.35);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(10px);
  transition: background 0.35s ease, border-color 0.35s ease;
}
.site-header.is-scrolled {
  background: rgba(5, 4, 3, 0.92);
  border-bottom-color: var(--hair);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0.9rem 5.5rem;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background-image: none;
  color: var(--ivory);
  font-family: var(--sans);
  font-weight: 500;
}
.wordmark:hover { color: var(--copper-hot); }
.wordmark svg { width: 22px; height: 22px; display: block; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--hair);
  color: var(--ivory);
  padding: 0.42rem 0.75rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
}
.nav-toggle:focus-visible { outline: 1px solid var(--copper); outline-offset: 3px; }

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.85rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav-list a { color: var(--mute); background-image: linear-gradient(var(--copper), var(--copper)); }
.nav-list a:hover,
.nav-list a[aria-current="page"] { color: var(--ivory); background-size: 100% 1px; }

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: end;
  padding: 7.5rem 5.5rem 4.5rem;
  border-bottom: 1px solid var(--hair);
  overflow: hidden;
}
.hero-copy { max-width: 34rem; padding-bottom: 1.5rem; }
.hero .kicker {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 1.6rem;
}
.hero h1 {
  margin: 0;
  font-weight: 400;
  font-size: clamp(2.2rem, 4.6vw, 4.05rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ivory);
}
.hero-meta {
  margin: 2.4rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.8rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
.hero-meta span + span::before {
  content: "·";
  margin-right: 1.8rem;
  color: var(--copper);
}
.hero-art {
  position: relative;
  min-height: 28rem;
}
.hero-art svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.folio {
  width: min(calc(100% - 11rem), 54rem);
  margin: 0 auto;
  padding: 0 0 4rem;
}
.chapter {
  position: relative;
  padding: 4.75rem 0 0.75rem;
  border-top: 1px solid var(--rule);
}
.chapter:first-of-type { border-top: 0; }
.chapter-num {
  position: absolute;
  left: calc(-1 * var(--folio));
  top: 4.9rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  color: var(--copper);
}
.chapter h2,
.chapter h3 {
  margin: 0 0 1.45rem;
  font-weight: 400;
  font-size: clamp(1.7rem, 2.8vw, 2.25rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ivory);
}
.chapter p { margin: 0 0 1.2rem; color: var(--paper); max-width: var(--measure); }
.chapter p:last-child { margin-bottom: 0; }

.plate {
  margin: 2rem 0 2.2rem;
  padding: 1.4rem 1.2rem 1.1rem;
  background: linear-gradient(180deg, rgba(201, 137, 58, 0.06), transparent 70%), var(--plate);
  border: 1px solid var(--hair);
  max-width: 42rem;
}
.plate svg { width: 100%; height: auto; display: block; }
.plate figcaption {
  margin: 0.85rem 0 0;
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.close-cta {
  width: min(calc(100% - 11rem), 54rem);
  margin: 0 auto 2rem;
  padding: 2.5rem 0 5rem;
  font-size: 1.45rem;
  letter-spacing: -0.015em;
  color: var(--ivory);
}
.close-cta a { color: var(--ivory); }

.listen {
  width: min(calc(100% - 11rem), 54rem);
  margin: 0 auto 5rem;
  padding: 2rem 0 0;
  border-top: 1px solid var(--hair);
}
.listen h2 {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 500;
  margin: 0 0 1.2rem;
}
.listen-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.2rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}
.listen-row a { color: var(--ivory); }

.site-footer {
  border-top: 1px solid var(--hair);
  padding: 1.8rem 5.5rem 2.5rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--mute);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
}
.site-footer a { color: var(--mute); }
.site-footer a:hover { color: var(--ivory); }
.social { display: flex; gap: 1.35rem; list-style: none; margin: 0; padding: 0; }

.page-hero {
  padding: 7rem 5.5rem 3.2rem;
  border-bottom: 1px solid var(--hair);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: end;
}
.page-hero .kicker {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 1.1rem;
}
.page-hero h1 {
  margin: 0;
  font-weight: 400;
  font-size: clamp(2.6rem, 5.8vw, 4.6rem);
  letter-spacing: -0.03em;
  line-height: 1.04;
  max-width: 12ch;
  color: var(--ivory);
}
.page-hero .lede {
  margin: 0;
  max-width: 28rem;
  color: var(--paper);
}
.page-hero svg { width: 100%; height: auto; display: block; }

.page {
  width: min(calc(100% - 11rem), 42rem);
  margin: 0 auto;
  padding: 3.6rem 0 5.5rem;
}
.page p { margin: 0 0 1.2rem; }

.jobs {
  list-style: none;
  margin: 2.2rem 0 2.6rem;
  padding: 0;
}
.jobs li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1.1rem;
  align-items: start;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
}
.jobs li:last-child { border-bottom: 1px solid var(--rule); }
.jobs .glyph { width: 2.6rem; height: 2.6rem; }
.jobs strong {
  display: block;
  font-weight: 400;
  font-size: 1.22rem;
  color: var(--ivory);
  margin-bottom: 0.35rem;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
  margin-top: 2.2rem;
  max-width: 30rem;
}
.contact-form label {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hair);
  border-radius: 0;
  color: var(--ivory);
  padding: 0.7rem 0;
  font: inherit;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-bottom-color: var(--copper); }

.btn {
  justify-self: start;
  margin-top: 0.7rem;
  background: transparent;
  color: var(--ivory);
  border: 1px solid var(--ivory);
  border-radius: 0;
  padding: 0.75rem 1.25rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  background-image: none;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.btn:hover {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--void);
  filter: none;
}
a.btn { display: inline-block; }

@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadein {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes stroke {
  to { stroke-dashoffset: 0; }
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes twinkle {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 1; }
}
@keyframes pulse-core {
  0%, 100% { r: 6; opacity: 0.9; }
  50% { r: 8; opacity: 1; }
}
@keyframes drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-copy .kicker { animation: rise 0.75s ease both; }
.hero-copy h1 { animation: rise 0.95s 0.12s ease both; }
.hero-meta { animation: rise 0.85s 0.28s ease both; }
.hero-art { animation: fadein 1.3s 0.2s ease both; }

.draw {
  stroke-dasharray: 520;
  stroke-dashoffset: 520;
  animation: stroke 2.6s ease forwards;
}
.star { animation: twinkle 3.6s ease-in-out infinite; }
.star.d2 { animation-delay: 0.6s; }
.star.d3 { animation-delay: 1.2s; }
.star.d4 { animation-delay: 1.8s; }
.meridian {
  transform-origin: 360px 210px;
  animation: spin-slow 48s linear infinite;
}
.core-pulse { animation: pulse-core 3.2s ease-in-out infinite; }
.float { animation: drift 9s ease-in-out infinite; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.is-in { opacity: 1; transform: none; }
.reveal.delay { transition-delay: 0.12s; }

@media (min-width: 1200px) {
  .hero h1 { font-size: 4.25rem; }
}

@media (max-width: 800px) {
  body::before, body::after { display: none; }
  .header-inner { padding: 0.8rem 1.25rem; flex-wrap: wrap; }
  .nav-toggle { display: inline-block; }
  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0.8rem;
    padding: 0.5rem 0 0.9rem;
  }
  .nav-list.is-open { display: flex; }
  .hero {
    grid-template-columns: 1fr;
    padding: 5.2rem 1.25rem 2.4rem;
    min-height: auto;
    gap: 1.5rem;
  }
  .hero-art { min-height: 0; }
  .folio, .close-cta, .listen { width: calc(100% - 2.5rem); }
  .chapter-num { position: static; display: block; margin-bottom: 0.55rem; }
  .chapter { padding-top: 2.6rem; }
  .site-footer { padding: 1.5rem 1.25rem 2rem; }
  .page-hero {
    grid-template-columns: 1fr;
    padding: 4.6rem 1.25rem 2rem;
    gap: 1.4rem;
  }
  .page { width: calc(100% - 2.5rem); padding-top: 2.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}