/* Hallmark · macrostructure: Catalogue · tone: science field guide · anchor hue: lime */
@import url("tokens.css");
@import url("fonts.css");

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 5px; }
[tabindex="-1"]:focus { outline: 0; }
::selection { background: var(--accent); color: var(--ink); }
.shell { width: min(calc(100% - 2 * var(--gutter)), 1344px); margin-inline: auto; }
.sr-only, .skip:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip { position: fixed; top: 10px; left: 12px; z-index: 2; padding: 8px 14px; background: var(--accent); }

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 84px;
  border-bottom: 1px solid var(--ink);
  gap: 16px;
}
.identity { display: inline-flex; align-items: center; gap: 13px; width: fit-content; text-decoration: none; }
.monogram {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background: var(--ink);
  color: var(--white);
  font: 800 31px/1 var(--font-display);
  letter-spacing: -.06em;
}
.monogram-dot { color: var(--accent); }
.wordmark { font: 800 16px/.91 var(--font-display); letter-spacing: -.055em; }
.site-header nav { display: flex; gap: clamp(16px, 3vw, 42px); }
.site-header nav a, .site-footer > a:last-child {
  text-decoration: none;
  font-size: .875rem;
  font-weight: 650;
}
.site-header nav a:hover, .site-footer > a:last-child:hover, .back-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.instagram-link {
  justify-self: end;
  padding: 7px 12px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 700;
  white-space: nowrap;
}
.instagram-link span { margin-left: 9px; }
.instagram-link:hover { background: var(--accent); }

.hero {
  display: grid;
  grid-template-columns: 1fr 1.06fr;
  gap: clamp(30px, 4vw, 74px);
  padding-block: clamp(32px, 4.1vw, 66px) clamp(46px, 5.1vw, 76px);
}
.hero-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding-block: 5px 8px; }
.hero-brand, .feature-top, .category, #fact-count, .about-label, .next-fact small, .sources h2 {
  font: 500 .72rem/1.3 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .09em;
}
.hero-brand { display: flex; align-items: center; gap: 9px; margin-bottom: clamp(20px, 2.1vw, 32px); }
.hero-brand span { width: 11px; height: 11px; background: var(--accent); border: 1px solid var(--accent-dark); border-radius: 50%; }
.hero h1 {
  font: 800 clamp(56px, 7.2vw, 116px)/.85 var(--font-display);
  letter-spacing: -.051em;
  word-spacing: .065em;
}
.hero h1 em {
  display: inline-block;
  margin-top: .04em;
  margin-left: -.014em;
  font: italic 400 1.22em/.78 var(--font-serif);
  letter-spacing: -.033em;
  word-spacing: .035em;
}
.intro { margin-block: 28px 23px; max-width: 36ch; color: var(--secondary); font-size: clamp(1rem, 1.3vw, 1.13rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; }
.button {
  display: inline-flex;
  min-height: 47px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 9px 15px;
  border: 1px solid var(--ink);
  font-weight: 750;
  font-size: .89rem;
  line-height: 1.25;
  text-decoration: none;
}
.button-accent { background: var(--accent); }
.button-accent:hover { background: var(--ink); color: var(--accent); }
.text-action { background: none; border: 0; padding: 9px 0; font-size: .875rem; font-weight: 750; }
.text-action span { margin-left: 5px; }
.text-action:hover { text-decoration: underline; text-underline-offset: 4px; }
.feature-panel { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.feature {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  min-height: clamp(444px, 38vw, 557px);
  background: #000;
  color: var(--white);
  padding: clamp(20px, 2.2vw, 32px);
  text-decoration: none;
}
.feature > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 14%;
  z-index: -2;
  transition: transform 350ms var(--ease-out);
}
.feature::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, #0c0c0adb 0%, transparent 28%, transparent 51%, #0c0c0af2 100%);
}
.feature-top, .feature-bottom { display: flex; justify-content: space-between; gap: 16px; }
.feature-top span:first-child { display: inline-flex; align-items: center; gap: 9px; }
.feature-top i { background: var(--accent); width: 7px; height: 7px; border-radius: 50%; }
.feature-bottom { align-items: end; }
.feature h2 { font: 750 clamp(30px, 3.2vw, 54px)/.98 var(--font-display); letter-spacing: -.055em; }
.feature-arrow {
  flex: 0 0 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  background: var(--accent);
  color: var(--ink);
  transition: transform 180ms var(--ease-out);
}
.feature:hover > img { transform: scale(1.035); }
.feature:hover .feature-arrow { transform: translate(2px, -2px); }
.photo-credit { color: var(--secondary); font-size: .72rem; }
.photo-credit a { text-underline-offset: 2px; }

.archive { padding-block: 28px clamp(56px, 7vw, 100px); border-top: 1px solid var(--ink); scroll-margin-top: 16px; }
.archive-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 10px 24px; flex-wrap: wrap; }
.archive-heading h2, .about h2 {
  font: 800 clamp(2.8rem, 5.2vw, 5.3rem)/.95 var(--font-display);
  letter-spacing: -.056em;
  word-spacing: .055em;
}
.archive-heading h2 span { color: var(--accent-dark); }
.archive-heading p { color: var(--secondary); font: italic 1.65rem/1.1 var(--font-serif); }
.collections { margin-block: 27px 28px; }
.collections h3 { margin-bottom: 10px; font: 500 .72rem/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: .09em; }
.collection-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.collection-card {
  display: flex;
  flex-direction: column;
  padding: 14px 16px 16px;
  min-width: 0;
  border: 1px solid var(--line);
  text-decoration: none;
}
.collection-card:hover, .collection-card[aria-current] { border-color: var(--ink); }
.collection-card[aria-current] { background: var(--accent); }
.collection-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 7px;
  font: 500 .69rem/1.3 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.collection-meta span { font-size: 1rem; }
.collection-card strong, #collection-heading { font: 750 clamp(1.45rem, 2.55vw, 2.25rem)/1 var(--font-display); letter-spacing: -.045em; }
.collection-description { margin-top: 5px; color: var(--secondary); font-size: .875rem; }
.collection-card[aria-current] .collection-description { color: var(--ink); }
.archive-results { scroll-margin-top: 16px; }
#collection-heading { border-top: 1px solid var(--line); padding-top: 16px; }
.archive-controls { display: flex; justify-content: space-between; align-items: center; gap: 12px 20px; flex-wrap: wrap; margin-block: 23px 21px; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filters button {
  background: transparent;
  border: 1px solid var(--line);
  padding: 7px 13px;
  min-height: 41px;
  font-size: .825rem;
  font-weight: 650;
}
.filters button:hover { border-color: var(--ink); }
.filters button[aria-pressed="true"] { border-color: var(--ink); background: var(--accent); }
#fact-count { color: var(--secondary); white-space: nowrap; }
.fact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: clamp(18px, 2.25vw, 34px); row-gap: 35px; }
.fact-card > a { display: flex; flex-direction: column; height: 100%; text-decoration: none; }
.fact-art {
  position: relative;
  overflow: hidden;
  display: grid;
  isolation: isolate;
  align-items: center;
  aspect-ratio: 1.9;
  min-width: 0;
  padding: 22px;
  color: var(--ink);
}
.art-figure { width: max-content; font: 800 clamp(2.7rem, 6vw, 6rem)/.85 var(--font-display); letter-spacing: -.085em; }
.art-figure small { display: block; margin-top: 10px; font: 500 .68rem/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: .07em; }
.art-hearts { background: #f0c2af; }
.art-hearts::after {
  content: "♥";
  position: absolute;
  z-index: -1;
  right: 13%;
  top: 49%;
  transform: translateY(-50%) rotate(-15deg);
  font: 400 clamp(3.6rem, 8vw, 9rem)/1 var(--font-serif);
  color: #7c382d;
  text-shadow: 19px -21px #be7668, 43px -38px #d69c8c;
}
.art-waves { background: #d3e6e0; }
.art-waves::after {
  content: "";
  position: absolute;
  inset: -30% -26% -30% 40%;
  z-index: -1;
  transform: rotate(-23deg);
  background: repeating-radial-gradient(ellipse at 94% 50%, transparent 0 16px, #5f8e86 17px 18px, transparent 19px 26px);
}
.art-archive { background: #e5d6ae; }
.art-archive::after {
  content: "";
  position: absolute;
  inset: 13% 10% -36% 52%;
  z-index: -1;
  transform: rotate(13deg);
  background: repeating-linear-gradient(#8c7957 0 1px, transparent 1px 12px) center top / 74% 100% no-repeat, #f0e6c8;
  border: 1px solid #8c7957;
  box-shadow: 7px -7px 0 #cdbd92, 8px -8px 0 #8c7957;
}
.art-venus { background: #080808; color: var(--white); }
.art-venus img { position: absolute; inset: 0 0 0 auto; z-index: -2; width: 73%; height: 100%; object-fit: cover; object-position: center; }
.art-venus::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, #080808 9%, #080808c9 32%, transparent 75%); }
.art-terminal { background: #232b1c; color: var(--accent); }
.art-terminal::after {
  content: ">_";
  position: absolute;
  z-index: -1;
  right: 10%;
  top: 50%;
  transform: translateY(-50%);
  color: #8d9f72;
  font: 500 clamp(2.6rem, 6vw, 6rem)/1 var(--font-mono);
}
.art-weather { background: #dce8e8; }
.art-weather::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -20% -15% -30% 50%;
  transform: rotate(18deg);
  background: repeating-linear-gradient(125deg, #9babb8 0 1px, transparent 1px 16px);
}
.art-orbit { background: #26263c; color: var(--white); }
.art-orbit::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 7% -17% 2% 37%;
  transform: rotate(-24deg);
  background: radial-gradient(circle at 61% 48%, #a4a7df 0 9%, transparent 9.5%),
    repeating-radial-gradient(ellipse, transparent 0 11px, #797ba3 12px 13px, transparent 14px 24px);
}
.art-signal { background: #dddcc5; }
.art-signal::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 0 0 43%;
  background: repeating-radial-gradient(circle at 75% 58%, #7a8050 0 1px, transparent 2px 13px);
}
.art-health { background: #ead5dd; }
.art-health::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -22% -12% -25% 42%;
  transform: rotate(-22deg);
  background: repeating-radial-gradient(ellipse at 73% 55%, transparent 0 12px, #a3778b 13px 14px, transparent 15px 27px);
}
.photo-cover { align-items: end; background: var(--night); color: var(--white); }
.photo-cover img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.photo-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: none;
  background: linear-gradient(0deg, #10100de8, #10100d54 45%, transparent 76%);
}
.art-jupiter { background: #d9b699; }
.art-jupiter::after {
  content: "";
  position: absolute;
  inset: -26% -1% -36% 44%;
  z-index: -1;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: rotate(-17deg);
  background: radial-gradient(ellipse 13% 7% at 40% 62%, #97553c 30%, #bd7856 90%, transparent), linear-gradient(#cba992 13%, #aa7c61 14%, #e4c1a7 21%, #c58c66 30%, #e3bd99 45%, #a67b66 50%, #ddbb9a 58%, #c8906b 65%, #e9c7a6 79%, #98634e 92%);
}
.card-copy { flex: 1; display: flex; flex-direction: column; padding: 15px 0 13px; border-bottom: 1px solid var(--line); }
.category { color: var(--accent-dark); }
.card-copy :is(h3, h4) { margin-block: 7px; font: 750 clamp(1.35rem, 2.15vw, 2.05rem)/1.02 var(--font-display); letter-spacing: -.055em; }
.card-summary { color: var(--secondary); font-size: .95rem; }
.card-action { display: flex; justify-content: space-between; align-items: end; gap: 12px; margin-top: auto; padding-top: 15px; font-size: .82rem; font-weight: 750; }
.card-action span { font-size: 1.15rem; }
.fact-card a:hover .card-action { text-decoration: underline; text-underline-offset: 3px; }

.about { background: var(--accent); color: var(--ink); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 50px; padding-block: clamp(40px, 6vw, 90px); }
.about-label { margin-bottom: 11px; }
.about-inner p:not(.about-label) { max-width: 46ch; margin-bottom: 18px; font-size: clamp(1rem, 1.5vw, 1.23rem); }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover { background: var(--white); color: var(--ink); }
.site-footer { display: flex; justify-content: space-between; gap: 20px; align-items: center; min-height: 104px; }

.detail { padding-block: 28px 55px; min-height: 60vh; }
.back-link { display: inline-block; text-decoration: none; font-weight: 700; font-size: .875rem; }
.back-link span { margin-right: 5px; }
.detail-heading { margin-block: 43px 32px; }
.detail-heading h1, .detail > h1 { margin-block: 12px 16px; font: 800 clamp(3rem, 7.2vw, 7rem)/.92 var(--font-display); letter-spacing: -.057em; max-width: 17ch; }
.detail-summary { color: var(--secondary); font: italic clamp(1.6rem, 3vw, 2.6rem)/1.08 var(--font-serif); max-width: 36ch; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 80px); border-top: 1px solid var(--ink); padding-top: 27px; }
.detail-grid .fact-art { aspect-ratio: 1.54; padding: clamp(20px, 3vw, 44px); }
.detail-grid .art-figure { font-size: clamp(3.4rem, 9vw, 9rem); }
.detail-grid figcaption { margin-top: 8px; font-size: .75rem; color: var(--secondary); }
.detail-copy > p { max-width: 55ch; margin-bottom: 15px; font-size: 1.04rem; }
.sources { border-top: 1px solid var(--line); margin-top: 23px; padding-top: 16px; }
.sources ul { list-style: none; padding: 0; margin: 9px 0 0; }
.sources li + li { margin-top: 5px; }
.sources a { text-underline-offset: 4px; overflow-wrap: anywhere; }
.sources a:hover { color: var(--accent-dark); }
.next-fact { display: flex; justify-content: space-between; gap: 12px; align-items: center; border-block: 1px solid var(--ink); margin-top: 42px; padding-block: 17px; text-decoration: none; }
.next-fact strong { display: block; margin-top: 5px; font: 750 clamp(1.3rem, 3vw, 2.4rem)/1 var(--font-display); letter-spacing: -.055em; }
.next-arrow { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; background: var(--accent); }
.next-fact:hover strong { text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 900px) {
  .hero { gap: 26px; grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: clamp(3.2rem, 7.2vw, 5.4rem); }
  .feature { min-height: 424px; }
  .collection-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 660px) {
  .site-header { min-height: 67px; grid-template-columns: 1fr auto auto; gap: 13px; }
  .site-header .wordmark { display: none; }
  .site-header nav { gap: 13px; }
  .site-header nav a, .instagram-link { font-size: .75rem; }
  .instagram-link { padding-inline: 8px; }
  .instagram-link span { margin-left: 3px; }
  .monogram { width: 41px; height: 41px; font-size: 27px; }
  .hero { display: block; padding-block: 33px 40px; }
  .hero-copy { padding: 0; }
  .hero-brand { margin-bottom: 21px; }
  .hero h1 { font-size: clamp(3rem, 10.9vw, 4.8rem); }
  .hero-break { display: none; }
  .hero h1 em { font-size: 1.12em; line-height: .94; }
  .intro { margin-block: 16px 18px; }
  .feature-panel { margin-top: 27px; }
  .feature { min-height: 0; aspect-ratio: 1.07; }
  .feature h2 { font-size: clamp(1.6rem, 6vw, 2.5rem); }
  .feature-arrow { flex-basis: 37px; height: 37px; }
  .archive { padding-top: 20px; }
  .archive-heading p { font-size: 1.4rem; }
  .archive-controls { margin-top: 18px; }
  .collection-list { grid-template-columns: 1fr; }
  .about-inner, .detail-grid { grid-template-columns: 1fr; }
  .detail-heading { margin-top: 31px; }
}
@media (max-width: 420px) {
  .fact-grid { grid-template-columns: 1fr; row-gap: 24px; }
  .art-figure { font-size: clamp(3.8rem, 13vw, 5rem); }
  .site-footer > a:last-child { font-size: .72rem; }
}
@media (max-width: 350px) {
  .site-footer .wordmark { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}