/* ==========================================================================
   The Stroud Lab — design system
   ========================================================================== */

:root {
  --ink:           #22211d;
  --ink-soft:      #5f5d55;
  --ink-faint:     #8b887e;
  --bg:            #fffdf8;
  --bg-alt:        #f2eee1;
  --rule:          #e3dfd2;
  --navy:          #4a8fab;
  --navy-lt:       #ABD0DE;
  --navy-soft:     #17547f;
  --green:         #3dc267;
  --gold:          #b1a066;
  --accent:        #cf6a1a;
  --accent-dk:     #a9520d;
  --accent-lt:     #e8944a;
  --on-navy:       #ffffff;
  --display: "Archivo", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans:  "Karla", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --measure: 42rem;
  --wide:    68rem;
  --hero:    76rem;
  --gutter:  1.75rem;
}

/* Reset-ish ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; border-bottom: 1px solid rgba(31,111,178,.32); transition: border-color .15s, color .15s; }
a:hover { color: var(--accent-dk); border-bottom-color: var(--accent); }

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.14;
  margin: 0 0 .6em;
  letter-spacing: -.015em;
}
h1 { font-size: clamp(2.1rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.1rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; letter-spacing: 0; }
p  { margin: 0 0 1.35em; }
strong { font-weight: 700; }
em { font-style: italic; }
blockquote {
  margin: 2.5rem 0;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.4;
  color: var(--navy);
}
blockquote p:last-child { margin-bottom: 0; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 3.5rem 0; }
ul, ol { margin: 0 0 1.35em; padding-left: 1.3em; }
li { margin-bottom: .5em; }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .9em; background: var(--bg-alt); padding: .12em .38em; border-radius: 3px; }

.eyebrow {
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1rem;
}

/* ==========================================================================
   Layout containers
   ========================================================================== */
.wrap      { max-width: var(--wide); margin: 0 auto; padding: 0 var(--gutter); }
.wrap-text { max-width: var(--measure); margin: 0 auto; padding: 0 var(--gutter); }
.wrap-hero { max-width: var(--hero); margin: 0 auto; padding: 1.5rem 3.5rem; }
.wrap-text--intro { max-width: 50rem; }
.wrap-text--intro .lead { max-width: none; margin-left: 0; margin-right: 0; }

.section        { padding: 2.5rem 0; }
.section--roomy { padding: 7rem 0; }
.section--tight { padding: 1rem 0; }
.section--band  { background: var(--bg-alt); }

.section--dark {
  background: var(--navy);
  color: rgba(255,255,255,.92);
  max-width: var(--hero);
  margin-left: auto;
  margin-right: auto;
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--on-navy); }
.section--dark .eyebrow { color: rgba(255,255,255,.6); }
.section--dark .lead { color: rgba(255,255,255,.85); }
.section--dark em { color: inherit; }
.section--dark a { color: var(--on-navy); border-bottom-color: rgba(255,255,255,.45); }
.section--dark a:hover { color: var(--accent-lt); border-bottom-color: var(--accent-lt); }
.section--dark .btn { border-color: rgba(255,255,255,.6); color: var(--on-navy); }
.section--dark .btn:hover { background: var(--on-navy); color: var(--navy); border-color: var(--on-navy); }

.center { text-align: center; }
.lead {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ==========================================================================
   Masthead
   ========================================================================== */
.masthead {
  padding: 1.6rem 0 1.4rem;
  text-align: center;
}
.masthead:empty { padding: 0; }
.masthead__logo { display: inline-block; border: 0; }
.masthead__logo img { width: 480px; max-width: 84vw; margin: 0 auto; }

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
  background: var(--navy-lt);
  width: 100%;
}

/* This single container centers everything and constrains to hero width */
.navbar__inner {
  max-width: var(--hero);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* White links row */
.nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .1rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: .55rem 0 0;
}
.nav__list a {
  font-family: var(--display);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--on-navy);
  border: 0;
  padding: .35rem 0;
  display: inline-block;
  opacity: .88;
}
.nav__list a:hover { opacity: 1; border-bottom: 1px solid rgba(255,255,255,.55); }
.nav__list a[aria-current="page"] { opacity: 1; border-bottom: 2px solid var(--accent-lt); }

/* Orange links row — sits directly inside navbar__inner, below nav__list */
.nav-feature {
  display: flex;
  align-items: center;
  padding: .2rem 0 .55rem;
  gap: 0;
}
.nav-feature a {
  font-family: var(--display);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 0 !important;
  text-decoration: none;
}
.nav-feature a:hover { border-bottom: 1px solid var(--accent-lt) !important; color: var(--accent-dk); }
.nav-feature a[aria-current="page"] { border-bottom: 2px solid var(--accent) !important; }
.nav-feature a + a::before {
  content: "•";
  margin: 0 0.6rem;
  color: var(--accent);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { margin-top: 2rem; }
.hero__img {
  display: block;
  width: 100%;
  max-width: var(--hero);
  margin: 0 auto;
  aspect-ratio: 2400 / 500;
  object-fit: cover;
}
.hero__img--short { aspect-ratio: auto; height: auto; object-fit: fill; background: var(--bg); }
.hero__caption {
  max-width: var(--hero);
  margin: .85rem auto 0;
  padding: 0 var(--gutter);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink-faint);
  text-align: center;
}
.hero__caption a { color: inherit; border-bottom-color: var(--rule); }

.strapline {
  max-width: var(--hero);
  margin: 1.6rem auto 0;
  padding: 0 var(--gutter);
  text-align: center;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(.95rem, 1.55vw, 1.32rem);
  letter-spacing: .01em;
  text-transform: uppercase;
  color: #000000;
  line-height: 1.35;
}
.strapline span { white-space: nowrap; }
.strapline b { color: var(--gold); font-weight: 700; padding: 0 .45em; }

.page-title { text-align: center; padding: 4rem 0 0; }
.page-title h1 { margin-bottom: .25rem; }
.page-title .lead { max-width: 34rem; margin: 1rem auto 0; }

/* ==========================================================================
   Home page pieces
   ========================================================================== */
.themes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 2.5rem;
  margin-top: 2.5rem;
}
.theme { text-align: center; }
.theme__num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: .02em;
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: .5rem;
}
.theme h3 { font-size: 1.25rem; margin-bottom: .5rem; }
.theme p { font-size: .96rem; color: var(--ink-soft); margin: 0; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
}
.split figure { margin: 0; }
.split figcaption, .figcaption {
  font-family: var(--serif);
  font-style: italic;
  font-size: .95rem;
  color: var(--ink-faint);
  margin-top: .6rem;
  line-height: 1.45;
}
.split--reverse > *:first-child { order: 2; }
.split--reverse > *:last-child  { order: 1; }

.labpics {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  margin-top: 1.5rem;
  overflow: hidden;
  border-radius: 2px;
  background: var(--bg-alt);
}
.labpics__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
}
.labpics__img.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}
.labpics__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 2.4rem;
  height: 2.4rem;
  border: 0;
  border-radius: 50%;
  background: rgba(20, 19, 15, .45);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity .2s ease, background .2s ease;
}
.labpics:hover .labpics__nav,
.labpics__nav:focus {
  opacity: 1;
}
.labpics__nav:hover { background: rgba(20, 19, 15, .7); }
.labpics__nav--prev { left: .7rem; }
.labpics__nav--next { right: .7rem; }
@media (hover: none) {
  .labpics__nav { opacity: 1; }
}
.labpics__empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  margin: 0;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-faint);
}

.photo-hover {
  position: relative;
  display: block;
  overflow: hidden;
  margin: 0;
  border-radius: 2px;
}
.photo-hover img { transition: transform .5s ease; }
.photo-hover:hover img, .photo-hover:focus-within img { transform: scale(1.035); }
.photo-hover__caption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem 1.4rem;
  background: linear-gradient(to top, rgba(20,19,16,.78) 0%, rgba(20,19,16,0) 62%);
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
}
.photo-hover__caption span {
  font-family: var(--serif);
  font-style: italic;
  font-size: .96rem;
  line-height: 1.45;
  color: #fff;
}
.photo-hover:hover .photo-hover__caption,
.photo-hover:focus .photo-hover__caption,
.photo-hover:focus-within .photo-hover__caption { opacity: 1; }
.photo-hover:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
@media (hover: none) {
  .photo-hover__caption {
    opacity: 1;
    background: linear-gradient(to top, rgba(20,19,16,.65) 0%, rgba(20,19,16,0) 72%);
  }
}

.rule-wrap { padding: 0 var(--gutter); }
.rule-wrap hr { max-width: var(--wide); margin: 0 auto; }
.rule-wrap--text hr { max-width: var(--measure); }

/* ==========================================================================
   Software / tool entries
   ========================================================================== */
.tool-entry h3 { margin-bottom: .5rem; }

/* Default: no image — text only */
.tool-entry__img {
  width: 100%;
  border-radius: 2px;
  display: block;
}

/* With image: two-column grid, image left, all text right */
.tool-entry--with-img {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: start;
}

.tool-entry--with-img .tool-entry__img {
  width: 100%;
  border-radius: 4px;
}

.tool-entry__body {
  min-width: 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 2rem;
  text-align: center;
  margin: 2.5rem 0 0;
}
.stat__n {
  font-family: var(--display);
  font-size: 2.9rem;
  color: var(--navy);
  line-height: 1;
  display: block;
}
.stat__l {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: .5rem;
  display: block;
}

/* ==========================================================================
   Home page picture grid
   ========================================================================== */
.tiles {
  max-width: var(--hero);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.2rem 0.85rem;
}
.tile { display: block; border: 0; text-align: center; }
.tile img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--bg-alt);
  transition: opacity .18s;
}
.tile:hover img { opacity: .82; }
.tile__label {
  display: block;
  margin-top: .85rem;
  font-family: var(--display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--navy);
}
.tile:hover .tile__label { color: var(--accent-dk); }
.tile--feature .tile__label { color: var(--accent); }
.tile--feature:hover .tile__label { color: var(--accent-dk); }

@media (max-width: 62rem) { .tiles { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 40rem) {
  .tiles { grid-template-columns: repeat(2, 1fr); gap: 1.6rem .7rem; }
  .tile__label { font-size: .7rem; letter-spacing: .1em; }
}

/* ==========================================================================
   People
   ========================================================================== */
.people-group { margin-bottom: 4rem; }
.people-group__title {
  font-family: var(--display);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--rule);
  padding-bottom: .7rem;
  margin-bottom: 2.5rem;
}
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13.5rem, 1fr));
  gap: 2.75rem 2rem;
}
.person__photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1.1rem;
  filter: saturate(.96);
}
.person h3 { font-size: 1.25rem; margin-bottom: .15rem; }
.person__role {
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 .7rem;
}
.person__bio { font-size: .95rem; color: var(--ink-soft); margin: 0 0 .7rem; }
.person__links { font-size: .82rem; }
.person__links a { margin-right: .9rem; white-space: nowrap; }

.pi { display: grid; grid-template-columns: 15rem 1fr; gap: 3rem; align-items: start; }
.pi .person__photo { margin-bottom: 0; }

/* ==========================================================================
   Publications
   ========================================================================== */
.pub-controls {
  display: flex; flex-wrap: wrap; gap: .75rem;
  justify-content: center;
  margin: 0 0 3rem;
}
.pub-search {
  font-family: var(--sans);
  font-size: .95rem;
  padding: .6rem .9rem;
  border: 1px solid var(--rule);
  background: #fff;
  color: var(--ink);
  width: min(26rem, 100%);
  border-radius: 2px;
}
.pub-search:focus { outline: 2px solid var(--gold); outline-offset: 1px; }

.year-head {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -.01em;
  color: var(--gold);
  border-bottom: 1px solid var(--rule);
  padding-bottom: .4rem;
  margin: 3rem 0 1.75rem;
}
.pub {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  margin-bottom: 1.9rem;
  font-size: .99rem;
  line-height: 1.6;
}
.pub__n { color: var(--ink-faint); font-size: .85rem; padding-top: .2rem; font-variant-numeric: tabular-nums; }
.pub__title { color: var(--navy); font-weight: 600; text-decoration: none; }
a.pub__title:hover { text-decoration: underline; }
.pub__authors { color: var(--ink-soft); }
.pub__venue { font-style: italic; color: var(--navy-soft); }
.pub__meta { font-size: .84rem; color: var(--ink-faint); margin-top: .3rem; }
.pub__meta a { margin-right: .85rem; }
.pub__pdf {
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent);
  border-bottom-color: rgba(207,106,26,.35);
}
.pub__pdf:hover { color: var(--accent-dk); border-bottom-color: var(--accent); }
.tag {
  display: inline-block;
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .12rem .45rem;
  border: 1px solid var(--rule);
  color: var(--ink-faint);
  border-radius: 2px;
  margin-left: .4rem;
  vertical-align: .1em;
}
.tag--press { color: var(--accent); border-color: rgba(207,106,26,.4); }

/* ==========================================================================
   News
   ========================================================================== */
.news-item {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule);
}
.news-item:first-of-type { padding-top: 0; }
.news-item__date {
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: .35rem;
}
.news-item h3 { font-size: 1.3rem; margin-bottom: .4rem; }
.news-item p { margin-bottom: .5rem; }
.news-item p:last-child { margin-bottom: 0; }

/* ==========================================================================
   Cards
   ========================================================================== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 2rem;
}
.card {
  border: 1px solid var(--rule);
  background: #fff;
  padding: 1.9rem 1.75rem;
  border-radius: 2px;
}
.card h3 { font-size: 1.3rem; margin-bottom: .3rem; }
.card__kicker {
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 .9rem;
  font-weight: 700;
}
.card p { font-size: .96rem; color: var(--ink-soft); }
.card p:last-child { margin-bottom: 0; }
.card__thumb {
  margin-top: .9rem;
  display: flex;
  justify-content: center;
}
.card__thumb img {
  display: block;
  max-width: 100%;
  max-height: 104px;
  width: auto;
  height: auto;
  border-radius: 2px;
}

.press-list { list-style: none; margin: 0; padding: 0; }
.press-list li {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
  font-size: .99rem;
}
.press-list__outlet { color: var(--ink-faint); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; padding-top: .28rem; }

/* Buttons ------------------------------------------------------------------ */
.btn {
  display: inline-block;
  font-family: var(--display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .8rem 1.6rem;
  border: 1px solid var(--navy);
  color: var(--navy);
  background: transparent;
  border-radius: 2px;
  transition: background .15s, color .15s;
}
.btn:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn--accent { border-color: var(--accent); color: var(--accent); }
.btn--accent:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Figures ------------------------------------------------------------------ */
.figure-wide { margin: 3.5rem 0; }
.figure-wide img { width: 100%; }
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.25rem;
  margin: 3rem 0;
}
.gallery img { aspect-ratio: 3/4; object-fit: cover; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--rule);
  margin-top: 0;
  padding: 3.5rem 0 4rem;
  background: var(--bg-alt);
  font-size: .92rem;
  color: var(--ink-soft);
}
.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 2.5rem;
}
.footer h4 {
  font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: .9rem;
}
.footer a { color: var(--navy); }
.footer__fine {
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: .8rem; color: var(--ink-faint);
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 46rem) {
  body { font-size: 1rem; }
  .section { padding: 3.25rem 0; }
  .split { grid-template-columns: 1fr; gap: 2rem; }
  .pi { grid-template-columns: 1fr; gap: 1.75rem; }
  .pi .person__photo { max-width: 13rem; }
  .news-item { grid-template-columns: 1fr; gap: .5rem; }
  .press-list li { grid-template-columns: 1fr; gap: .25rem; }
  .pub { grid-template-columns: 1fr; gap: .25rem; }
  .pub__n { display: none; }
  .hero { margin-top: 1.25rem; }
  .hero__img { aspect-ratio: 2400 / 500; }
  .hero__img--short { aspect-ratio: auto; height: auto; }
  .navbar__inner { padding: .6rem var(--gutter) .7rem; }
  .nav__list { gap: .1rem 1.05rem; }
  .strapline { font-size: .82rem; margin-top: 1.1rem; }
  .footer { margin-top: 0; }
  .tool-entry--with-img {
    grid-template-columns: 1fr;
  }

  .wrap-hero { padding: 1.5rem var(--gutter); }

  .nav__list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
    padding-bottom: .3rem;
  }
  .nav__list li { flex: 0 0 auto; }
  .nav__list a { font-size: .78rem; letter-spacing: .06em; }

  .nav-feature {
    flex-wrap: wrap;
    row-gap: .3rem;
  }
  .nav-feature a { font-size: .78rem; }
}

@media print {
  .navbar, .nav-feature, .hero, .footer { display: none; }
}

/* Lightbox ------------------------------------------------------------ */
.lightbox-trigger { cursor: zoom-in; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  background: rgba(20, 19, 15, .92);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 1.5rem 4rem rgba(0,0,0,.5);
}
.lightbox__close {
  position: absolute;
  top: 1.1rem;
  right: 1.25rem;
  width: 2.6rem;
  height: 2.6rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox__close:hover { background: rgba(255,255,255,.22); }

@media print {
  .lightbox { display: none; }
}