/* Fundación por el Futuro: The Seed Archive */

:root {
  --board: #e9ece4;      /* herbarium board */
  --sheet: #f8f9f5;      /* mounted sheet */
  --ink: #15211d;
  --ink-soft: #46534d;
  --vault: #14302a;      /* conifer vault green */
  --vault-2: #1d3f37;
  --leaf: #2c6a4d;
  --leaf-ink: #235a40;   /* links on light */
  --sage: #a9c1b0;
  --brass: #a07a32;
  --brass-light: #d6b56c;
  --on-vault: #e9ece4;
  --on-vault-soft: #b9cbbf;
  --rule: rgba(21, 33, 29, .16);
  --rule-strong: rgba(21, 33, 29, .55);

  --f-display: "Libre Caslon Text", "Baskerville", Georgia, serif;
  --f-text: "Archivo", "Helvetica Neue", Arial, sans-serif;

  --gutter: clamp(16px, 4vw, 48px);
  --max: 1280px;
  --space-1: .5rem; --space-2: 1rem; --space-3: 1.5rem; --space-4: 2.5rem; --space-5: 4rem; --space-6: clamp(4rem, 9vw, 8rem);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }
body {
  margin: 0;
  background: var(--board);
  color: var(--ink);
  font-family: var(--f-text);
  font-size: 1.0625rem;
  line-height: 1.68;
  font-variation-settings: "wdth" 100;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--leaf-ink); text-decoration-thickness: 1px; text-underline-offset: .22em; transition: color .2s; }
a:hover { color: var(--vault); text-decoration-color: var(--brass); }
:focus-visible { outline: 2px solid var(--leaf); outline-offset: 3px; border-radius: 1px; }
address { font-style: normal; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0 0 1em; text-wrap: pretty; }

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

.skip { position: absolute; left: -999px; top: 0; z-index: 10; background: var(--vault); color: var(--on-vault); padding: .6rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- labels / caps (echo the logo's wide lettering) ---------- */
.caps, .strip, .nav a, .label dt, .entry__year span, .connect__k, .footer__nav a, .plate figcaption, .menu-btn, .brand__word {
  font-family: var(--f-text);
  font-variation-settings: "wdth" 125;
  text-transform: uppercase;
  letter-spacing: .14em;
}

/* ---------- strip + masthead ---------- */
.strip { background: var(--vault); color: var(--on-vault-soft); font-size: .72rem; font-weight: 500; }
.strip__in { display: flex; justify-content: space-between; align-items: center; min-height: 34px; gap: 1rem; }
.lang { display: flex; align-items: center; gap: .5rem; }
.lang a { color: var(--on-vault-soft); text-decoration: none; padding: .3rem .15rem; }
.lang a:hover { color: var(--on-vault); }
.lang a[aria-current] { color: var(--on-vault); border-bottom: 1px solid var(--brass-light); }
.lang span { opacity: .5; }

.masthead { border-bottom: 1px solid var(--rule); background: var(--board); position: relative; z-index: 5; }
.masthead__in { display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 84px; }
.brand { display: flex; align-items: center; gap: .85rem; text-decoration: none; color: var(--ink); }
.brand img { width: 44px; height: 44px; }
.brand__word { display: grid; line-height: 1.05; font-size: .74rem; font-weight: 700; letter-spacing: .08em; }
.brand__word small { font-size: .58rem; font-weight: 400; letter-spacing: .2em; }
.brand__wide { letter-spacing: .5em; }

.nav ul { display: flex; gap: clamp(.9rem, 1.6vw, 1.6rem); list-style: none; margin: 0; padding: 0; }
.nav a { display: block; white-space: nowrap; font-size: .75rem; font-variation-settings: "wdth" 108; letter-spacing: .1em; font-weight: 500; color: var(--ink); text-decoration: none; padding: .6rem 0; position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: .25rem; height: 1px; background: var(--brass); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease-out); }
.nav a:hover::after, .nav a[aria-current]::after { transform: scaleX(1); }
.nav a[aria-current] { color: var(--leaf); }

.menu-btn { display: none; background: none; border: 1px solid var(--rule-strong); color: var(--ink); font-size: .75rem; font-weight: 600; padding: .65rem 1rem; cursor: pointer; }
.menu-btn:hover { background: var(--sheet); }

/* Compact nav: site.js adds .nav-compact when the links do not fit beside the brand
   (width depends on the language). Without JS the links simply wrap. */
html.nav-compact .menu-btn { display: block; }
html.nav-compact .nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--sheet); border-bottom: 1px solid var(--rule); display: none; }
html.nav-compact .nav.is-open { display: block; }
html.nav-compact .nav ul { flex-direction: column; gap: 0; padding: .5rem var(--gutter) 1.25rem; }
html.nav-compact .nav li + li { border-top: 1px solid var(--rule); }
html.nav-compact .nav a { font-size: .8rem; padding: 1rem 0; }
html.nav-compact .nav a::after { display: none; }
html:not(.js) .nav ul { flex-wrap: wrap; justify-content: flex-end; }

/* ---------- the sheet (with crop marks) ---------- */
.sheet {
  --mk: var(--rule-strong);
  position: relative;
  background:
    linear-gradient(var(--mk), var(--mk)) left 12px top 12px / 16px 1px no-repeat,
    linear-gradient(var(--mk), var(--mk)) left 12px top 12px / 1px 16px no-repeat,
    linear-gradient(var(--mk), var(--mk)) right 12px top 12px / 16px 1px no-repeat,
    linear-gradient(var(--mk), var(--mk)) right 12px top 12px / 1px 16px no-repeat,
    linear-gradient(var(--mk), var(--mk)) left 12px bottom 12px / 16px 1px no-repeat,
    linear-gradient(var(--mk), var(--mk)) left 12px bottom 12px / 1px 16px no-repeat,
    linear-gradient(var(--mk), var(--mk)) right 12px bottom 12px / 16px 1px no-repeat,
    linear-gradient(var(--mk), var(--mk)) right 12px bottom 12px / 1px 16px no-repeat,
    var(--sheet);
  border: 1px solid var(--rule);
  box-shadow: 0 1px 1px rgba(20, 48, 42, .04), 0 24px 48px -32px rgba(20, 48, 42, .28);
}

/* ---------- display type ---------- */
.display {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(2.5rem, 5.6vw, 5rem);
  line-height: 1.04;
  letter-spacing: -.015em;
}
.display--page { font-size: clamp(2.3rem, 4.8vw, 4.2rem); }
.h2 {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 2.8vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin-bottom: var(--space-3);
}
.h2 { border-top: 1px solid var(--rule-strong); padding-top: 1.1rem; }
.h3 { font-family: var(--f-display); font-weight: 500; font-size: clamp(1.4rem, 2.2vw, 1.75rem); line-height: 1.18; margin-bottom: .8rem; }
.h3 a { color: var(--ink); text-decoration-color: var(--sage); }
.h3 a:hover { color: var(--leaf); text-decoration-color: var(--brass); }

.prose { max-width: 66ch; }
.prose--lead { font-family: var(--f-display); font-size: clamp(1.15rem, 1.7vw, 1.35rem); line-height: 1.65; font-weight: 400; max-width: 34em; margin-inline: auto; }
.dropcap::first-letter, .prose--dropcap > p:first-child::first-letter { font-family: var(--f-display); float: left; font-size: 4.4em; line-height: .78; margin: .06em .12em 0 0; color: var(--leaf); font-weight: 500; }

/* ---------- accession label ---------- */
.label {
  margin: 0;
  background: var(--sheet);
  border: 1px solid var(--rule-strong);
  border-top: 3px double var(--rule-strong);
  min-width: min(100%, 300px);
  max-width: 440px;
}
.label > div { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding: .7rem 1rem; align-items: baseline; }
.label > div + div { border-top: 1px solid var(--rule); }
.label dt { font-size: .72rem; font-weight: 600; color: var(--ink-soft); }
.label dd { margin: 0; min-width: 0; overflow-wrap: break-word; font-family: var(--f-display); font-size: 1.06rem; line-height: 1.3; font-variant-numeric: lining-nums; }

/* ---------- plates (mounted photographs with paper tabs) ---------- */
.plate {
  position: relative; margin: 0; background: var(--sheet); padding: 6px;
  border: 1px solid var(--rule);
  box-shadow: 0 1px 1px rgba(20, 48, 42, .06), 0 6px 14px -8px rgba(20, 48, 42, .3);
}
.plate__img { overflow: hidden; background: var(--sage); height: 100%; }
.plate__img img { width: 100%; height: 100%; object-fit: cover; }
.plate figcaption { font-size: .72rem; font-weight: 600; color: var(--ink-soft); padding: .7rem .2rem .1rem; }

.plate--band { margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.plate--band .plate__img { aspect-ratio: 21 / 8; }

/* ---------- home hero ---------- */
.hero { padding-top: clamp(1.25rem, 3vw, 2.5rem); }
.hero__sheet {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2rem, 5vw, 4.5rem); overflow: hidden; min-height: min(78vh, 760px); align-items: center;
}
.hero__text { position: relative; z-index: 1; display: grid; gap: var(--space-4); align-content: center; }
.hero__tag { font-family: var(--f-display); font-style: italic; font-size: clamp(1.25rem, 2.1vw, 1.7rem); line-height: 1.35; max-width: 22em; color: var(--ink-soft); margin: 0; }
.hero__plate { height: 100%; min-height: 420px; }
.hero__plate img { object-position: 68% 45%; }

/* ---------- page icons (one per page, one size, top left above the title) ---------- */
.engraving { overflow: visible; }
.engraving * { fill: none; vector-effect: non-scaling-stroke; stroke-linecap: round; stroke-linejoin: round; }
.page-icon { display: block; width: 76px; height: 76px; color: var(--ink); }
.hero__text .page-icon { margin-bottom: calc(var(--space-3) - var(--space-4)); }
.page-icon .g { stroke: currentColor; stroke-width: 1.1; opacity: .6; }
.page-icon .ring, .page-icon .tick { stroke: var(--brass); stroke-width: 1.2; }
.page-icon .stem { stroke: var(--leaf); stroke-width: 1.3; }
.page-icon .lf { stroke: var(--leaf); stroke-width: 1.1; fill: rgba(44, 106, 77, .22); }
.page-icon .rib { stroke: var(--leaf); stroke-width: .8; opacity: .7; }

/* the icon inks itself in once over a faint ghost; without JS or with reduced motion it is simply drawn */
.page-icon .ghost { opacity: .25; }
html:not(.js) .page-icon .ghost { display: none; }
html.js .page-icon .ink [pathLength] { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.8s var(--ease-out) forwards; }
html.js .page-icon .ink .g { animation-delay: .15s; }
html.js .page-icon .ink .stem { animation-delay: .5s; }
html.js .page-icon .ink .lf, html.js .page-icon .ink .rib { animation-delay: .8s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.engraving-stamp { color: rgba(233, 236, 228, .55); width: 100%; height: 100%; }
.engraving-stamp .g { stroke: currentColor; stroke-width: 1; }
.engraving-stamp .lf { fill: rgba(169, 193, 176, .15); stroke: var(--sage); opacity: 1; }
.engraving-stamp .stem, .engraving-stamp .rib { stroke: var(--sage); opacity: 1; }
.engraving-stamp .ring, .engraving-stamp .tick { stroke: var(--brass-light); opacity: .8; }

/* ---------- interior page head ---------- */
.pagehead { padding-top: clamp(1.25rem, 3vw, 2.5rem); }
.pagehead__sheet {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: clamp(1.5rem, 3vw, 3rem);
  padding: clamp(2rem, 5vw, 4.5rem);
}
.pagehead__text { max-width: 44rem; display: grid; gap: var(--space-3); }
.pagehead__intro { font-family: var(--f-display); font-size: clamp(1.2rem, 1.9vw, 1.45rem); line-height: 1.5; margin: 0; color: var(--ink-soft); }

/* ---------- section rhythms ---------- */
.prose-band { padding-block: var(--space-6); }

.split { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; padding-bottom: var(--space-6); }
.split__plate .plate__img { aspect-ratio: 4 / 3; }

.register { padding-block: var(--space-6); background: var(--vault); color: var(--on-vault); max-width: none; }
.register > * { max-width: calc(var(--max) - 2 * var(--gutter)); margin-inline: auto; }
.register .h2 { border-top-color: rgba(233, 236, 228, .4); }
.register__list { list-style: none; padding: 0; margin-top: var(--space-2); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(2rem, 5vw, 5rem); }
.register__list li { display: flex; gap: .9rem; align-items: baseline; padding: 1rem 0; border-top: 1px solid rgba(233, 236, 228, .18); font-size: 1.05rem; }
.mark { flex: none; width: 18px; height: 18px; transform: translateY(3px); }
.mark path { fill: none; stroke: var(--brass-light); stroke-width: 1.3; stroke-linecap: round; }

.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 6vw, 6rem); padding-block: var(--space-6); }
.closing-plate { padding-bottom: var(--space-6); max-width: 980px; }
.closing-plate .plate__img { aspect-ratio: 16 / 9; }

/* catalogue of projects */
.catalogue { padding-bottom: var(--space-5); }
.catalogue__list { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--rule-strong); }
.entry { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: clamp(1rem, 4vw, 4rem); padding-block: clamp(1.75rem, 3.5vw, 2.75rem); border-top: 1px solid var(--rule-strong); }
.entry__year { font-family: var(--f-display); font-size: clamp(2rem, 3.4vw, 2.9rem); line-height: 1; color: var(--leaf); margin: 0; font-variant-numeric: lining-nums; }
.entry__year { white-space: nowrap; }
.entry__year em { font-style: italic; font-size: .5em; color: var(--ink-soft); margin-right: .15em; }
.entry__body p { max-width: 66ch; margin: 0; }

.plates-pair { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: end; padding-block: var(--space-5) var(--space-6); }
.plates-pair .plate:first-child .plate__img { aspect-ratio: 16 / 7; }
.plates-pair .plate:last-child .plate__img { aspect-ratio: 4 / 3; }

/* donate */
.donate { padding-block: var(--space-6); display: grid; gap: var(--space-5); justify-items: center; }
.envelope {
  position: relative; width: min(100%, 680px); aspect-ratio: 16 / 9.5; background: #fff;
  border: 1px solid var(--rule); box-shadow: 0 2px 3px rgba(20, 48, 42, .06), 0 30px 50px -30px rgba(20, 48, 42, .45);
  padding: clamp(1.25rem, 4vw, 2.75rem); display: flex; align-items: flex-end;
}
.envelope::before { content: ""; position: absolute; inset: 10px; border: 1px solid var(--rule); pointer-events: none; }
.envelope__stamp { position: absolute; top: clamp(1rem, 3vw, 1.75rem); right: clamp(1rem, 3vw, 1.75rem); width: clamp(76px, 15vw, 112px); aspect-ratio: 4 / 5; background: var(--vault); padding: 8px; outline: 1px dashed rgba(20, 48, 42, .35); outline-offset: 4px; }
.envelope__addr { font-family: var(--f-display); font-size: clamp(1.15rem, 2.4vw, 1.6rem); line-height: 1.45; margin-left: clamp(0rem, 14%, 7rem); }
.donate__thanks { font-family: var(--f-display); font-style: italic; font-size: clamp(1.15rem, 1.8vw, 1.4rem); color: var(--ink-soft); text-align: center; max-width: 32em; }

/* founders */
.people { padding-block: var(--space-6); display: grid; gap: var(--space-6); }
.person { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.person--flip { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
.person--flip .person__aside { order: 2; }
.person__aside { display: grid; gap: var(--space-4); position: sticky; top: 1.5rem; justify-items: start; }
.plate--portrait { width: min(100%, 340px); }
.plate--portrait .plate__img { aspect-ratio: 3 / 4; }
.person--flip .plate--portrait .plate__img { aspect-ratio: 1; }
.person__aside .label { width: min(100%, 340px); }

/* connect */
.connect { padding-block: var(--space-6); }
.connect__lead { font-family: var(--f-display); font-size: clamp(1.5rem, 3vw, 2.3rem); line-height: 1.3; max-width: 22em; margin-bottom: var(--space-5); }
.connect__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--rule-strong); }
.connect__item { padding: var(--space-4) var(--space-4) var(--space-4) 0; }
.connect__item + .connect__item { border-left: 1px solid var(--rule); padding-left: var(--space-4); }
.connect__email-line { font-family: var(--f-display); font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.45; margin: 0; }
.connect__email { display: inline-block; font-size: clamp(1.5rem, 2.8vw, 2.2rem); }
.connect__addr { font-family: var(--f-display); font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.45; margin-bottom: 1rem; }
.connect__map { font-size: .95rem; }

/* ---------- footer ---------- */
.footer { background: var(--vault); color: var(--on-vault); padding-block: var(--space-5) var(--space-4); }
.footer__in { display: grid; grid-template-columns: auto 1fr; gap: var(--space-5); align-items: start; }
.footer__logo { width: 150px; height: auto; }
.footer__cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-4); }
.footer__nav { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 2rem; }
.footer__nav a { display: inline-block; white-space: nowrap; font-variation-settings: "wdth" 108; letter-spacing: .1em; color: var(--on-vault); text-decoration: none; font-size: .75rem; font-weight: 500; padding: .45rem 0; }
.footer__nav a:hover { color: var(--brass-light); }
.footer__addr { font-family: var(--f-display); font-size: 1.1rem; line-height: 1.55; color: var(--on-vault-soft); }
.footer__addr a { color: var(--on-vault); }
.footer__addr a:hover { color: var(--brass-light); }
.footer__copy { grid-column: 1 / -1; border-top: 1px solid rgba(233, 236, 228, .16); padding-top: var(--space-3); margin: 0; font-size: .82rem; color: var(--on-vault-soft); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero__sheet { grid-template-columns: 1fr; min-height: 0; }
  .hero__plate { min-height: 0; }
  .hero__plate .plate__img { aspect-ratio: 4 / 3; }
  .pagehead__sheet { grid-template-columns: 1fr; align-items: start; }
  .page-icon { width: 60px; height: 60px; }
  .plate--band .plate__img { aspect-ratio: 16 / 9; }
  .split, .pair, .plates-pair, .person, .person--flip { grid-template-columns: 1fr; }
  .person--flip .person__aside { order: 0; }
  .person__aside { position: static; }
  .footer__in, .footer__cols { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .register__list { grid-template-columns: 1fr; }
  .footer__nav { columns: 1; }
  .footer__nav a { white-space: normal; }
  .entry { grid-template-columns: 1fr; gap: .9rem; }
  .entry__year:empty { display: none; }
  .connect__grid { grid-template-columns: 1fr; }
  .connect__item + .connect__item { border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; }
  .envelope { aspect-ratio: auto; min-height: 300px; padding-top: 9rem; }
  .envelope__addr { margin-left: 0; }
  .label > div { grid-template-columns: 1fr; gap: .25rem; }
}
@media (max-width: 420px) {
  .strip__place { display: none; }
  .strip__in { justify-content: flex-end; }
}

@media (prefers-reduced-motion: reduce) {
  html.js .page-icon .ink [pathLength] { animation: none; stroke-dashoffset: 0; }
  .nav a::after { transition: none; }
}