/* =========================================================
   SANTIAGO QUINTERO — academic site
   Tropical brutalism: raw concrete + hard shadow,
   deep jungle / sage / terracotta on paper or charcoal.
   ========================================================= */

/* ---------- fonts (self-hosted, latin subset) ---------- */
@font-face {
  font-family: "League Spartan";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/league-spartan-variable.woff2") format("woff2");
}
@font-face {
  font-family: "Space Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/space-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "Space Mono";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/space-mono-700.woff2") format("woff2");
}
/* Wandohope — free municipal typeface (Wando County, KR), licensed for
   commercial/web use. Used only for the wordmark, nav index, and section
   titles. */
@font-face {
  font-family: "Wandohope";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/wandohope-regular.woff") format("woff");
}
@font-face {
  font-family: "Wandohope";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/wandohope-bold.woff") format("woff");
}
/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }
input, textarea, button { font-family: inherit; }

/* ---------- tokens : light (default) ---------- */
:root {
  --paper: #D8D2C4;
  --paper-dim: #cfc8b7;
  --ink: #242521;
  --ink-soft: #55574f;
  --stone: #72756D;
  --card: #eeeae0;
  --deep-green: #173D2D;
  --sage: #496F51;
  --terracotta: #B65A3C;
  --on-deep-green: #D8D2C4;
  --on-sage: #D8D2C4;
  --on-terracotta: #242521;
  --on-stone: #242521;
  --line: var(--ink);
  --shadow-c: var(--ink);
  --focus: #2f6fb0;

  --bw: 3px;
  --bw-lg: 4px;
  --shadow-off: 7px;
  --radius: 10px;
  --radius-sm: 6px;

  --font-index: "Wandohope", "League Spartan", sans-serif;
  --font-body: "League Spartan", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Space Mono", ui-monospace, "Courier New", monospace;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #242521;
    --paper-dim: #2d2e28;
    --ink: #D8D2C4;
    --ink-soft: #b9b3a2;
    --stone: #9a9c92;
    --card: #2b2c26;
    --on-deep-green: #D8D2C4;
    --on-sage: #1a1b17;
    --on-terracotta: #242521;
    --on-stone: #242521;
    --line: var(--ink);
    --shadow-c: #000000;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #242521;
  --paper-dim: #2d2e28;
  --ink: #D8D2C4;
  --ink-soft: #b9b3a2;
  --stone: #9a9c92;
  --card: #2b2c26;
  --on-deep-green: #D8D2C4;
  --on-sage: #1a1b17;
  --on-terracotta: #242521;
  --on-stone: #242521;
  --line: var(--ink);
  --shadow-c: #000000;
  color-scheme: dark;
}

/* ---------- base ---------- */
html { font-size: 125%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  background-attachment: fixed, fixed, fixed, fixed, fixed;
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-size: cover, cover, cover, cover, 260px 260px;
  background-image:
    radial-gradient(ellipse 55% 45% at 12% 8%, rgba(157,139,118,0.17), transparent 60%),
    radial-gradient(ellipse 50% 40% at 88% 20%, rgba(157,139,118,0.13), transparent 60%),
    radial-gradient(ellipse 60% 50% at 30% 96%, rgba(157,139,118,0.15), transparent 65%),
    radial-gradient(ellipse 45% 55% at 78% 82%, rgba(157,139,118,0.12), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.55' numOctaves='2' stitchTiles='stitch' result='t'/%3E%3CfeColorMatrix in='t' type='saturate' values='0' result='g'/%3E%3CfeColorMatrix in='g' type='matrix' values='0 0 0 0 0.616  0 0 0 0 0.545  0 0 0 0 0.463  0.42 0 0 0 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap {
  max-width: 73.75rem;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

h1, h2, h3, h4 { text-wrap: balance; }

p { max-width: 68ch; }
p + p { margin-top: 1em; }

::selection { background: var(--terracotta); color: var(--on-terracotta); }

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

/* section / index titles: Wandohope, no forced caps */
.index-title {
  font-family: var(--font-index);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

/* ---------- utility ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  padding: 0.75em 1.1em;
  background: var(--card);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 0 var(--shadow-c);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  white-space: nowrap;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 0 var(--shadow-c); }
.btn:active { transform: translate(0, 0); box-shadow: 2px 2px 0 0 var(--shadow-c); }
.btn--terracotta { background: var(--terracotta); color: var(--on-terracotta); }
.btn--sage { background: var(--sage); color: var(--on-sage); }
.btn--ghost { background: transparent; }

/* small lowercase link-box, used under the photo */
.link-row { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.link-box {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.5em 0.85em;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  box-shadow: 4px 4px 0 0 var(--shadow-c);
}
.link-box:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 0 var(--shadow-c); }

/* ---------- site header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: var(--bw) solid var(--line);
  background-image:
    linear-gradient(var(--header-scrim, rgba(216,210,196,0.82)), var(--header-scrim, rgba(216,210,196,0.82))),
    url("../img/ariza-nav.png");
  background-size: cover, cover;
  background-position: center, center 60%;
  background-repeat: no-repeat, no-repeat;
}
:root:not([data-theme="light"]) .site-header { --header-scrim: rgba(36,37,33,0.78); }
:root[data-theme="dark"] .site-header { --header-scrim: rgba(36,37,33,0.78); }

.site-header .wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 6rem;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-index);
  font-size: 1.65rem;
}
.brand__name { display: none; }
@media (min-width: 640px) { .brand__name { display: inline; } }

.nav-desktop {
  display: none;
  align-items: center;
  gap: 3.6rem;
  font-family: var(--font-index);
  font-size: 1.25rem;
}
@media (min-width: 860px) { .nav-desktop { display: flex; } }
.nav-desktop a {
  padding-block: 0.3rem;
  border-bottom: 2px solid transparent;
}
.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] { border-color: var(--terracotta); }

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

.theme-toggle {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  font-size: 1rem;
}

.nav-burger {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
@media (min-width: 860px) { .nav-burger { display: none; } }
.nav-burger span { display: block; width: 1.1rem; height: 2px; background: var(--ink); position: relative; }
.nav-burger span::before, .nav-burger span::after {
  content: ""; position: absolute; left: 0; width: 1.1rem; height: 2px; background: var(--ink);
}
.nav-burger span::before { top: -6px; }
.nav-burger span::after { top: 6px; }

.nav-mobile {
  display: none;
  border-bottom: var(--bw) solid var(--line);
  background: var(--paper-dim);
}
.nav-mobile.is-open { display: block; }
.nav-mobile ul { display: flex; flex-direction: column; }
.nav-mobile a {
  display: block;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  font-family: var(--font-index);
  font-size: 1.1rem;
  border-top: 1px solid var(--ink-soft);
}
@media (min-width: 860px) { .nav-mobile { display: none !important; } }

/* ---------- plates (page sections) ---------- */
.plate {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-bottom: var(--bw) solid var(--line);
}
.plate:last-of-type { border-bottom: none; }
.plate--dim { background: var(--paper-dim); }

.plate__title {
  font-family: var(--font-index);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
}

/* ---------- opening section: photo + welcome/bio ---------- */
.opening .wrap {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 900px) {
  .opening .wrap { grid-template-columns: 0.85fr 1.4fr; }
}

.opening__photo {
  width: clamp(14rem, 36vw, 20rem);
}
.opening__photo img {
  display: block;
  width: 100%;
  height: clamp(14rem, 32vw, 19.25rem);
  object-fit: cover;
  border: var(--bw-lg) solid var(--line);
  border-radius: 22px;
  box-shadow: 9px 9px 0 0 var(--shadow-c);
  background: var(--card);
}

.opening__welcome {
  color: var(--ink-soft);
  margin-top: 1.1rem;
}
.opening__copy p { color: var(--ink-soft); margin-top: 1rem; max-width: 62ch; font-size: 1.15rem; }
.opening__copy p:first-of-type { margin-top: 1.1rem; }
.opening__copy p a { color: var(--ink); border-bottom: 2px solid var(--terracotta); }

.interests { margin-top: 1.5rem; }
.education { margin-top: 1.5rem; }
.interests__title {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}
.link-box--sage { background: var(--sage); color: var(--on-sage); }

.edu-grid {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.edu-grid--compact {
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}
.education .edu-grid--compact { margin-top: 0; }
.fact {
  padding: 1rem 1.1rem;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.edu-grid--compact .fact { padding: 0.65rem 0.75rem; }
.fact dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.edu-grid--compact .fact dt { font-size: 0.68rem; }
.fact dd { margin-top: 0.3rem; font-weight: 700; }
.edu-grid--compact .fact dd { margin-top: 0.2rem; font-size: 0.9rem; line-height: 1.3; }

/* ---------- site footer ----------
   Scrim + text mirror the nav banner's per-theme treatment exactly:
   light theme = clear paper wash + dark letters, dark theme = dark
   wash + light letters. Colors come from --ink/--ink-soft (which
   already flip per theme) rather than --paper, so they never invert
   against the scrim by accident. */
.site-footer {
  position: relative;
  color: var(--ink);
  padding-block: clamp(2.5rem, 5vw, 4rem);
  background-image:
    linear-gradient(var(--footer-scrim, rgba(216,210,196,0.82)), var(--footer-scrim, rgba(216,210,196,0.82))),
    url("../img/ariza-footer.png");
  background-size: cover, cover;
  background-position: center, center 40%;
  background-repeat: no-repeat, no-repeat;
}
:root:not([data-theme="light"]) .site-footer { --footer-scrim: rgba(36,37,33,0.78); }
:root[data-theme="dark"] .site-footer { --footer-scrim: rgba(36,37,33,0.78); }
.site-footer a:hover { color: var(--ink-soft); text-decoration: underline; }
.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.2fr 1fr; } }
.footer-title { font-size: 1.7rem; }
.footer-role { font-size: 0.95rem; color: var(--ink-soft); margin-top: 0.5rem; }
.footer-addr { margin-top: 1rem; color: var(--ink-soft); font-size: 0.95rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink); }
.footer-links a { border-bottom: 1px solid var(--ink-soft); padding-bottom: 2px; width: fit-content; }
.footer-email { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-soft); }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}
.footer-credit {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-soft);
}

/* ---------- page header (sub pages) ---------- */
.page-header {
  padding-block: clamp(2.5rem, 6vw, 3.5rem);
  border-bottom: var(--bw) solid var(--line);
  background: var(--paper-dim);
}
.page-header__title {
  font-family: var(--font-index);
  font-size: clamp(2.25rem, 6vw, 3.6rem);
  line-height: 1;
}
.page-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--terracotta);
  padding-bottom: 2px;
}

.content-plate { padding-block: clamp(2.5rem, 6vw, 3.5rem); }

/* ---------- filter chips ---------- */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.filter-chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.55em 0.9em;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.filter-chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

/* ---------- group headers ---------- */
.group-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-block: 2.5rem 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: var(--bw) solid var(--line);
}
.group-header:first-child { margin-top: 0; }
.group-header__title {
  font-family: var(--font-index);
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
}
.group-header__meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-left: auto;
  text-align: right;
}

/* ---------- publication card ---------- */
.pub-list { display: grid; gap: 1.1rem; }
.pub-card {
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
}
.pub-card__head {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.35rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 1.25rem;
  align-items: start;
}
.pub-card__tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.6rem; }
.pub-card__title { font-size: 1.15rem; font-weight: 800; line-height: 1.3; }
.pub-card__meta { font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-soft); margin-top: 0.5rem; }
.pub-card__toggle {
  width: 2.4rem;
  height: 2.4rem;
  flex-shrink: 0;
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  transition: transform 0.18s ease, background 0.18s ease;
}
.pub-card__head[aria-expanded="true"] .pub-card__toggle {
  background: var(--terracotta);
  color: var(--on-terracotta);
  transform: rotate(45deg);
}
.pub-card__body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease;
  border-top: 0 solid var(--line);
}
.pub-card__body.is-open { border-top-width: var(--bw); }
.pub-card__body-inner { padding: 1.1rem 1.35rem 1.4rem; color: var(--ink-soft); }
.pub-card__body-inner p { max-width: none; }
.pub-card__body-inner .btn { margin-top: 1rem; }

.tag-mini {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.3em 0.55em;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
}
.tag-mini--review { background: var(--terracotta); color: var(--on-terracotta); }
.tag-mini--wp { background: var(--sage); color: var(--on-sage); }
.tag-mini--prog { background: var(--card); color: var(--ink-soft); border-style: dashed; }
.tag-mini--chapter { background: var(--deep-green); color: var(--on-deep-green); }

/* ---------- teaching: simple list ---------- */
.teach-list { display: flex; flex-direction: column; }
.teach-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1.5rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--ink-soft);
}
.teach-row:first-child { border-top: 1px solid var(--ink-soft); }
.teach-row__title { font-weight: 700; }
.teach-row__meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-align: right;
}
.teach-row__meta a { border-bottom: 1px solid var(--terracotta); }

/* ---------- misc ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--terracotta);
  color: var(--on-terracotta);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }