/* ===========================================================================
   Abstract Viviana LLC — site styles
   Sections: tokens / base / header / footer / home / gallery / lightbox / bio
   =========================================================================== */

/* ---------- tokens ---------- */
:root {
  --paper:        #f4f1ec;   /* gallery wall */
  --paper-raised: #fbfaf7;
  --ink:          #17161a;
  --ink-soft:     #55525c;
  --ink-faint:    #8b8792;
  --rule:         #dcd7ce;
  --accent:       #9a5b3f;
  --accent-soft:  #f0e4dc;
  --shadow:       0 1px 2px rgba(23,22,26,.06), 0 12px 32px rgba(23,22,26,.09);
  --shadow-lift:  0 2px 6px rgba(23,22,26,.08), 0 24px 60px rgba(23,22,26,.16);

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
           Georgia, "Times New Roman", serif;
  --sans:  ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
           "Helvetica Neue", Arial, sans-serif;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --shell: 1400px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:        #131215;
    --paper-raised: #1c1a1f;
    --ink:          #f0ece5;
    --ink-soft:     #a9a4ae;
    --ink-faint:    #78737f;
    --rule:         #302d36;
    --accent:       #d59a72;
    --accent-soft:  #2a2126;
    --shadow:       0 1px 2px rgba(0,0,0,.5), 0 12px 32px rgba(0,0,0,.45);
    --shadow-lift:  0 2px 6px rgba(0,0,0,.55), 0 24px 60px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"] {
  --paper:        #131215;
  --paper-raised: #1c1a1f;
  --ink:          #f0ece5;
  --ink-soft:     #a9a4ae;
  --ink-faint:    #78737f;
  --rule:         #302d36;
  --accent:       #d59a72;
  --accent-soft:  #2a2126;
  --shadow:       0 1px 2px rgba(0,0,0,.5), 0 12px 32px rgba(0,0,0,.45);
  --shadow-lift:  0 2px 6px rgba(0,0,0,.55), 0 24px 60px rgba(0,0,0,.6);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); text-underline-offset: .18em; }
a:hover { text-decoration-color: currentColor; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.12; letter-spacing: -.01em; margin: 0; }
p { margin: 0 0 1.1em; }

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

.shell { width: 100%; max-width: var(--shell); margin-inline: auto; padding-inline: var(--gutter); }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: .7rem 1.1rem; border-radius: 0 0 4px 0;
}
.skip-link:focus { left: 0; }

.eyebrow {
  font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 1rem; font-weight: 500;
}

.btn {
  display: inline-block; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .85rem 1.6rem; border: 1px solid var(--ink); color: var(--ink);
  text-decoration: none; transition: background .25s var(--ease), color .25s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: transparent; color: var(--ink); }

/* ---------- header ---------- */
.masthead {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--rule);
}
.masthead__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 4.5rem;
}
.wordmark { font-family: var(--serif); font-size: 1.2rem; letter-spacing: .04em; text-decoration: none; line-height: 1.15; }
.wordmark span { display: block; font-family: var(--sans); font-size: .6rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ink-faint); margin-top: .25rem; }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.nav a {
  font-size: .78rem; letter-spacing: .13em; text-transform: uppercase;
  text-decoration: none; color: var(--ink-soft); padding: .35rem 0;
  border-bottom: 1px solid transparent; transition: color .2s var(--ease), border-color .2s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }
.nav a.nav__shop { color: var(--ink); border: 1px solid var(--rule); padding: .5rem 1rem; }
.nav a.nav__shop:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }

.nav__toggle {
  display: none; background: none; border: 1px solid var(--rule); color: var(--ink);
  font: inherit; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
  padding: .55rem .9rem; cursor: pointer;
}
@media (max-width: 720px) {
  .nav__toggle { display: block; }
  .nav {
    position: absolute; inset: 100% 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--paper); border-bottom: 1px solid var(--rule); padding: .5rem var(--gutter) 1.25rem;
  }
  .nav[hidden] { display: none; }
  .nav a { padding: .85rem 0; border-bottom: 1px solid var(--rule); }
  .nav a.nav__shop { margin-top: .9rem; text-align: center; border: 1px solid var(--ink); }
}

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--rule); margin-top: clamp(4rem, 10vw, 8rem); padding: 3rem 0 4rem; }
.footer__inner { display: flex; flex-wrap: wrap; gap: 2rem 3rem; justify-content: space-between; align-items: flex-start; }
.footer h3 { font-size: 1rem; margin-bottom: .6rem; }
.footer p, .footer li { font-size: .85rem; color: var(--ink-soft); }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: .35rem; }
.footer__legal { font-size: .75rem; color: var(--ink-faint); width: 100%; border-top: 1px solid var(--rule);
  padding-top: 1.5rem; margin-top: .5rem; display: flex; flex-wrap: wrap; gap: .4rem 1.5rem; }

/* ---------- home ---------- */
.hero { padding: clamp(3.5rem, 9vw, 8rem) 0 clamp(3rem, 7vw, 6rem); }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } }
.hero h1 { font-size: clamp(2.6rem, 7vw, 5rem); margin-bottom: 1.5rem; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero__lede { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--ink-soft); max-width: var(--measure); }
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.hero__art { position: relative; }
.hero__art img { width: 100%; box-shadow: var(--shadow-lift); }
.hero__art figcaption { font-size: .78rem; color: var(--ink-faint); margin-top: .9rem; font-family: var(--serif); font-style: italic; }

.strip { border-block: 1px solid var(--rule); padding: clamp(3rem, 7vw, 5rem) 0; }
.strip__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 2.5rem; }
.strip__head h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.strip__head a { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }

.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.25rem, 3vw, 2.5rem); }
@media (max-width: 820px) { .trio { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .trio { grid-template-columns: 1fr; } }

.statement { padding: clamp(4rem, 9vw, 7rem) 0; }
.statement blockquote {
  margin: 0 auto; max-width: 46rem; font-family: var(--serif); font-style: italic;
  font-size: clamp(1.35rem, 3vw, 2rem); line-height: 1.4; text-align: center;
}
.statement cite { display: block; font: inherit; font-style: normal; font-size: .78rem;
  letter-spacing: .15em; text-transform: uppercase; color: var(--ink-faint); margin-top: 1.75rem; font-family: var(--sans); }

/* ---------- gallery ---------- */
.page-head { padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2rem, 4vw, 3rem); }
.page-head h1 { font-size: clamp(2.4rem, 6vw, 4rem); margin-bottom: 1.25rem; }
.page-head p { color: var(--ink-soft); max-width: var(--measure); font-size: 1.05rem; }

.filters { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center;
  padding-bottom: 2rem; border-bottom: 1px solid var(--rule); margin-bottom: clamp(2rem, 4vw, 3rem); }
.filters__label { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-faint); margin-right: .75rem; }
.chip {
  font: inherit; font-size: .78rem; letter-spacing: .06em; cursor: pointer;
  background: none; color: var(--ink-soft); border: 1px solid var(--rule);
  padding: .45rem 1rem; border-radius: 999px;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.chip:hover { color: var(--ink); border-color: var(--ink-faint); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.gallery { columns: 3; column-gap: clamp(1.25rem, 3vw, 2.5rem); }
@media (max-width: 1000px) { .gallery { columns: 2; } }
@media (max-width: 620px)  { .gallery { columns: 1; } }

.piece {
  break-inside: avoid; margin: 0 0 clamp(2rem, 4vw, 3.25rem);
  opacity: 0; transform: translateY(14px);
  animation: rise .7s var(--ease) forwards;
}
@keyframes rise { to { opacity: 1; transform: none; } }

.piece__frame {
  position: relative; display: block; width: 100%; padding: 0; border: 0; background: none;
  cursor: zoom-in; overflow: hidden; box-shadow: var(--shadow);
  transition: box-shadow .4s var(--ease), transform .4s var(--ease);
}
.piece__frame img { width: 100%; transition: transform .7s var(--ease); }
.piece__frame:hover { box-shadow: var(--shadow-lift); transform: translateY(-3px); }
.piece__frame:hover img { transform: scale(1.03); }

.badge {
  position: absolute; top: .85rem; left: .85rem; z-index: 2;
  font-size: .62rem; letter-spacing: .14em; text-transform: uppercase;
  padding: .3rem .6rem; background: var(--paper-raised); color: var(--ink-soft);
  border: 1px solid var(--rule);
}
.badge--sold { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.badge--reserved { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

.piece__body { padding-top: 1.1rem; }
.piece__title { font-family: var(--serif); font-size: 1.28rem; margin: 0 0 .25rem; }
.piece__title em { font-style: italic; }
.piece__meta { font-size: .76rem; letter-spacing: .06em; color: var(--ink-faint); margin: 0 0 .7rem; }
.piece__caption { font-size: .92rem; color: var(--ink-soft); margin: 0; }
.piece__buy { display: inline-block; margin-top: .8rem; font-size: .74rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }

.gallery-empty { color: var(--ink-faint); font-style: italic; padding: 3rem 0; }

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 90; display: none;
  background: color-mix(in srgb, var(--paper) 96%, var(--ink));
}
.lightbox[open], .lightbox.is-open { display: grid; }
.lightbox {
  grid-template-columns: 1fr min(30rem, 32vw); align-items: stretch;
  animation: fade .3s var(--ease);
}
@keyframes fade { from { opacity: 0; } }
@media (max-width: 860px) { .lightbox { grid-template-columns: 1fr; grid-template-rows: 1fr auto; } }

.lightbox__stage {
  display: grid; place-items: center; padding: clamp(1.5rem, 4vw, 3.5rem); min-width: 0; min-height: 0;
}
.lightbox__stage img { max-height: 100%; max-width: 100%; width: auto; object-fit: contain; box-shadow: var(--shadow-lift); }

.lightbox__panel {
  background: var(--paper-raised); border-left: 1px solid var(--rule);
  padding: clamp(1.75rem, 3vw, 3rem); overflow-y: auto; display: flex; flex-direction: column;
}
@media (max-width: 860px) {
  .lightbox__panel { border-left: 0; border-top: 1px solid var(--rule); max-height: 42vh; }
}
.lightbox__panel h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: .5rem; font-style: italic; }
.lightbox__meta { font-size: .8rem; color: var(--ink-faint); margin-bottom: 1.5rem; }
.lightbox__meta span { display: block; }
.lightbox__caption { color: var(--ink-soft); font-size: .98rem; }
.lightbox__foot { margin-top: auto; padding-top: 1.75rem; display: flex; align-items: center;
  justify-content: space-between; gap: 1rem; border-top: 1px solid var(--rule); }
.lightbox__count { font-size: .74rem; letter-spacing: .12em; color: var(--ink-faint); }

.lb-btn {
  background: var(--paper-raised); border: 1px solid var(--rule); color: var(--ink);
  width: 2.9rem; height: 2.9rem; display: grid; place-items: center; cursor: pointer;
  font-size: 1.1rem; line-height: 1; transition: background .2s var(--ease), color .2s var(--ease);
}
.lb-btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.lb-btn--close { position: absolute; top: 1.25rem; right: 1.25rem; z-index: 3; }
@media (min-width: 861px) { .lb-btn--close { right: calc(min(30rem, 32vw) + 1.25rem); } }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; }
.lb-nav--prev { left: 1.25rem; }
.lb-nav--next { left: auto; right: 1.25rem; }
@media (min-width: 861px) { .lb-nav--next { right: calc(min(30rem, 32vw) + 1.25rem); } }
.lightbox__pager { display: flex; gap: .5rem; }
body.lb-locked { overflow: hidden; }

/* ---------- bio ---------- */
.bio { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 22rem); gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start; padding-bottom: clamp(2rem, 5vw, 4rem); }
@media (max-width: 900px) { .bio { grid-template-columns: 1fr; } }
.bio__prose { max-width: 40rem; }
.bio__prose h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin: 2.75rem 0 1rem; }
.bio__prose h2:first-child { margin-top: 0; }
.bio__prose p { font-size: 1.05rem; }
.bio__prose > p:first-of-type::first-letter {
  font-family: var(--serif); float: left; font-size: 3.6em; line-height: .82;
  padding: .06em .1em 0 0; color: var(--accent);
}
.bio__lead { font-family: var(--serif); font-size: clamp(1.2rem, 2.2vw, 1.5rem) !important;
  line-height: 1.45; color: var(--ink); }

.bio__aside { position: sticky; top: 6.5rem; display: grid; gap: 2rem; }
@media (max-width: 900px) { .bio__aside { position: static; } }
.portrait { box-shadow: var(--shadow); }
.portrait figcaption { font-size: .76rem; color: var(--ink-faint); margin-top: .75rem; font-style: italic; }

.factlist { border-top: 1px solid var(--rule); padding-top: 1.5rem; }
.factlist h3 { font-family: var(--sans); font-size: .72rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1rem; }
.factlist dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: .55rem 1.25rem; font-size: .88rem; }
.factlist dt { color: var(--ink-faint); }
.factlist dd { margin: 0; color: var(--ink-soft); }

.cv { border-top: 1px solid var(--rule); padding-top: 1.5rem; }
.cv h3 { font-family: var(--sans); font-size: .72rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1rem; }
.cv ul { list-style: none; margin: 0; padding: 0; font-size: .88rem; }
.cv li { display: grid; grid-template-columns: 3.5rem 1fr; gap: 1rem;
  padding: .55rem 0; border-bottom: 1px solid var(--rule); color: var(--ink-soft); }
.cv li:last-child { border-bottom: 0; }
.cv li span { color: var(--ink-faint); }

.contact-band { border-top: 1px solid var(--rule); padding: clamp(3rem, 6vw, 4.5rem) 0 0; text-align: center; }
.contact-band h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 1rem; }
.contact-band p { color: var(--ink-soft); max-width: 34rem; margin-inline: auto; }

/* stagger the grid entrance in CSS so no JS ever writes inline styles
   (keeps the Content-Security-Policy free of 'unsafe-inline') */
.piece:nth-child(1) { animation-delay: 0ms; }
.piece:nth-child(2) { animation-delay: 70ms; }
.piece:nth-child(3) { animation-delay: 140ms; }
.piece:nth-child(4) { animation-delay: 210ms; }
.piece:nth-child(5) { animation-delay: 280ms; }
.piece:nth-child(6) { animation-delay: 350ms; }
.piece:nth-child(n+7) { animation-delay: 420ms; }